2 * Window procedure callbacks
4 * Copyright 1995 Martin von Loewis
5 * Copyright 1996 Alexandre Julliard
14 #include "wine/winbase16.h"
15 #include "wine/winuser16.h"
16 #include "stackframe.h"
17 #include "builtin16.h"
23 #include "debugtools.h"
28 DECLARE_DEBUG_CHANNEL(msg);
29 DECLARE_DEBUG_CHANNEL(relay);
30 DECLARE_DEBUG_CHANNEL(win);
32 /* Window procedure 16-to-32-bit thunk,
33 * see BuildSpec16File() in tools/build.c */
38 WORD pushw_bp; /* pushw %bp */
39 BYTE pushl_func; /* pushl $proc */
41 WORD pushw_ax; /* pushw %ax */
42 BYTE pushl_relay; /* pushl $relay */
43 void (*relay)(); /* WINPROC_Thunk16To32A/W() */
44 BYTE lcall; /* lcall cs:glue */
45 void (*glue)(); /* __wine_call_from_16_long */
46 WORD cs; /* __FLATCS */
47 WORD lret; /* lret $10 */
49 } WINPROC_THUNK_FROM16;
52 /* Window procedure 32-to-16-bit thunk,
53 * see BuildSpec32File() in tools/build.c */
57 BYTE popl_eax; /* popl %eax (return address) */
58 BYTE pushl_func; /* pushl $proc */
59 WNDPROC16 proc WINE_PACKED;
60 BYTE pushl_eax; /* pushl %eax */
61 BYTE jmp; /* jmp relay (relative jump)*/
62 void (*relay)() WINE_PACKED; /* WINPROC_CallProc32ATo16() */
63 } WINPROC_THUNK_FROM32;
65 /* Simple jmp to call 32-bit procedure directly */
68 BYTE jmp; /* jmp proc (relative jump) */
69 WNDPROC proc WINE_PACKED;
74 WINPROC_THUNK_FROM16 t_from16;
75 WINPROC_THUNK_FROM32 t_from32;
78 typedef struct tagWINDOWPROC
80 WINPROC_THUNK thunk; /* Thunk */
81 WINPROC_JUMP jmp; /* Jump */
82 struct tagWINDOWPROC *next; /* Next window proc */
83 UINT magic; /* Magic number */
84 WINDOWPROCTYPE type; /* Function type */
85 WINDOWPROCUSER user; /* Function user */
88 #define WINPROC_MAGIC ('W' | ('P' << 8) | ('R' << 16) | ('C' << 24))
90 #define WINPROC_THUNKPROC(pproc) \
91 (((pproc)->type == WIN_PROC_16) ? \
92 (WNDPROC16)((pproc)->thunk.t_from32.proc) : \
93 (WNDPROC16)((pproc)->thunk.t_from16.proc))
95 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
96 UINT msg, WPARAM wParam,
98 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
99 UINT msg, WPARAM wParam,
101 static LRESULT WINAPI WINPROC_Thunk16To32A( WNDPROC func, LPBYTE args );
102 static LRESULT WINAPI WINPROC_Thunk16To32W( WNDPROC func, LPBYTE args );
104 static HANDLE WinProcHeap;
107 /**********************************************************************
110 BOOL WINPROC_Init(void)
112 WinProcHeap = HeapCreate( HEAP_WINE_SEGPTR | HEAP_WINE_CODESEG, 0, 0 );
115 WARN_(relay)("Unable to create winproc heap\n" );
123 /* Some window procedures modify register they shouldn't, or are not
124 * properly declared stdcall; so we need a small assembly wrapper to
126 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
127 WPARAM wParam, LPARAM lParam );
128 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
138 "movl 8(%ebp),%eax\n\t"
140 "leal -12(%ebp),%esp\n\t"
147 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
148 WPARAM wParam, LPARAM lParam )
150 return proc( hwnd, msg, wParam, lParam );
152 #endif /* __i386__ */
154 /**********************************************************************
155 * WINPROC_CallWndProc32
157 * Call a 32-bit WndProc.
159 static LRESULT WINPROC_CallWndProc( WNDPROC proc, HWND hwnd, UINT msg,
160 WPARAM wParam, LPARAM lParam )
165 TRACE_(relay)("(wndproc=%p,hwnd=%08x,msg=%s,wp=%08x,lp=%08lx)\n",
166 proc, hwnd, SPY_GetMsgName(msg), wParam, lParam );
167 /* To avoid any deadlocks, all the locks on the windows structures
168 must be suspended before the control is passed to the application */
169 iWndsLocks = WIN_SuspendWndsLock();
170 retvalue = WINPROC_wrapper( proc, hwnd, msg, wParam, lParam );
171 WIN_RestoreWndsLock(iWndsLocks);
172 TRACE_(relay)("(wndproc=%p,hwnd=%08x,msg=%s,wp=%08x,lp=%08lx) retval=%08lx\n",
173 proc, hwnd, SPY_GetMsgName(msg), wParam, lParam, retvalue );
177 /***********************************************************************
178 * WINPROC_CallWndProc16
180 * Call a 16-bit window procedure
182 static LRESULT WINAPI WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd,
183 UINT16 msg, WPARAM16 wParam,
189 WND *wndPtr = WIN_FindWndPtr( hwnd );
191 TEB *teb = NtCurrentTeb();
194 /* Window procedures want ax = hInstance, ds = es = ss */
196 memset(&context, '\0', sizeof(context));
197 context.SegDs = context.SegEs = SELECTOROF(teb->cur_stack);
198 context.Eax = wndPtr ? wndPtr->hInstance : context.SegDs;
199 context.SegCs = SELECTOROF(proc);
200 context.Eip = OFFSETOF(proc);
201 context.Ebp = OFFSETOF(teb->cur_stack)
202 + (WORD)&((STACK16FRAME*)0)->bp;
204 WIN_ReleaseWndPtr(wndPtr);
208 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
209 work if structures passed in lParam are placed in the stack/data
210 segment. Programmers easily make the mistake of converting lParam
211 to a near rather than a far pointer, since Windows apparently
212 allows this. We copy the structures to the 16 bit stack; this is
213 ugly but makes these programs work. */
218 offset = sizeof(CREATESTRUCT16); break;
220 offset = sizeof(DRAWITEMSTRUCT16); break;
222 offset = sizeof(COMPAREITEMSTRUCT16); break;
226 void *s = MapSL(lParam);
227 lParam = stack16_push( offset );
228 memcpy( MapSL(lParam), s, offset );
232 iWndsLocks = WIN_SuspendWndsLock();
234 args = (WORD *)THREAD_STACK16(teb) - 5;
235 args[0] = LOWORD(lParam);
236 args[1] = HIWORD(lParam);
241 wine_call_to_16_regs_short( &context, 5 * sizeof(WORD) );
242 ret = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
243 if (offset) stack16_pop( offset );
245 WIN_RestoreWndsLock(iWndsLocks);
251 /**********************************************************************
254 * Return a pointer to the win proc.
256 static WINDOWPROC *WINPROC_GetPtr( WNDPROC16 handle )
261 /* ptr cannot be < 64K */
262 if (!HIWORD(handle)) return NULL;
264 /* Check for a linear pointer */
266 ptr = (BYTE *)handle;
267 /* First check if it is the jmp address */
268 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->jmp);
269 if (HeapValidate( WinProcHeap, 0, proc ) && (proc->magic == WINPROC_MAGIC))
271 /* Now it must be the thunk address */
272 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
273 if (HeapValidate( WinProcHeap, 0, proc ) && (proc->magic == WINPROC_MAGIC))
276 /* Check for a segmented pointer */
278 if (!IsBadReadPtr16( (SEGPTR)handle, sizeof(proc->thunk) ))
280 ptr = MapSL( (SEGPTR)handle );
281 /* It must be the thunk address */
282 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
283 if (HeapValidate( WinProcHeap, 0, proc ) && (proc->magic == WINPROC_MAGIC))
291 /**********************************************************************
292 * WINPROC_AllocWinProc
294 * Allocate a new window procedure.
296 static WINDOWPROC *WINPROC_AllocWinProc( WNDPROC16 func, WINDOWPROCTYPE type,
297 WINDOWPROCUSER user )
299 WINDOWPROC *proc, *oldproc;
301 /* Allocate a window procedure */
303 if (!(proc = HeapAlloc( WinProcHeap, 0, sizeof(WINDOWPROC) ))) return 0;
305 /* Check if the function is already a win proc */
307 if ((oldproc = WINPROC_GetPtr( func )))
316 proc->thunk.t_from32.popl_eax = 0x58; /* popl %eax */
317 proc->thunk.t_from32.pushl_func = 0x68; /* pushl $proc */
318 proc->thunk.t_from32.proc = func;
319 proc->thunk.t_from32.pushl_eax = 0x50; /* pushl %eax */
320 proc->thunk.t_from32.jmp = 0xe9; /* jmp relay*/
321 proc->thunk.t_from32.relay = /* relative jump */
322 (void(*)())((DWORD)WINPROC_CallProc32ATo16 -
323 (DWORD)(&proc->thunk.t_from32.relay + 1));
327 proc->thunk.t_from16.pushw_bp = 0x5566; /* pushw %bp */
328 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
329 proc->thunk.t_from16.proc = (WNDPROC)func;
330 proc->thunk.t_from16.pushw_ax = 0x5066; /* pushw %ax */
331 proc->thunk.t_from16.pushl_relay = 0x68; /* pushl $relay */
332 proc->thunk.t_from16.relay = (type == WIN_PROC_32A) ?
333 (void(*)())WINPROC_Thunk16To32A :
334 (void(*)())WINPROC_Thunk16To32W;
335 proc->thunk.t_from16.lcall = 0x9a; /* lcall cs:glue */
336 proc->thunk.t_from16.glue = (void*)__wine_call_from_16_long;
337 proc->thunk.t_from16.cs = __get_cs();
338 proc->thunk.t_from16.lret = 0xca66;
339 proc->thunk.t_from16.nArgs = 10;
340 proc->jmp.jmp = 0xe9;
341 /* Fixup relative jump */
342 proc->jmp.proc = (WNDPROC)((DWORD)func -
343 (DWORD)(&proc->jmp.proc + 1));
346 /* Should not happen */
349 proc->magic = WINPROC_MAGIC;
354 TRACE_(win)("(%08x,%d): returning %08x\n",
355 (UINT)func, type, (UINT)proc );
360 /**********************************************************************
363 * Get a window procedure pointer that can be passed to the Windows program.
365 WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type )
367 if (!proc) return NULL;
368 if (type == WIN_PROC_16) /* We want a 16:16 address */
370 if (((WINDOWPROC *)proc)->type == WIN_PROC_16)
371 return ((WINDOWPROC *)proc)->thunk.t_from32.proc;
373 return (WNDPROC16)HEAP_GetSegptr( WinProcHeap, 0,
374 &((WINDOWPROC *)proc)->thunk );
376 else /* We want a 32-bit address */
378 if (((WINDOWPROC *)proc)->type == WIN_PROC_16)
379 return (WNDPROC16)&((WINDOWPROC *)proc)->thunk;
380 else if (type != ((WINDOWPROC *)proc)->type)
381 /* Have to return the jmp address if types don't match */
382 return (WNDPROC16)&((WINDOWPROC *)proc)->jmp;
384 /* Some Win16 programs want to get back the proc they set */
385 return (WNDPROC16)((WINDOWPROC *)proc)->thunk.t_from16.proc;
390 /**********************************************************************
393 * Set the window procedure for a window or class. There are
394 * three tree classes of winproc callbacks:
396 * 1) class -> wp - not subclassed
397 * class -> wp -> wp -> wp -> wp - SetClassLong()
399 * 2) window -' / - not subclassed
400 * window -> wp -> wp ' - SetWindowLong()
402 * 3) timer -> wp - SetTimer()
404 * Initially, winproc of the window points to the current winproc
405 * thunk of its class. Subclassing prepends a new thunk to the
406 * window winproc chain at the head of the list. Thus, window thunk
407 * list includes class thunks and the latter are preserved when the
408 * window is destroyed.
411 BOOL WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func,
412 WINDOWPROCTYPE type, WINDOWPROCUSER user )
414 BOOL bRecycle = FALSE;
415 WINDOWPROC *proc, **ppPrev;
417 /* Check if function is already in the list */
419 ppPrev = (WINDOWPROC **)pFirst;
420 proc = WINPROC_GetPtr( func );
427 if ((*ppPrev)->user != user)
429 /* terminal thunk is being restored */
431 WINPROC_FreeProc( *pFirst, (*ppPrev)->user );
432 *(WINDOWPROC **)pFirst = *ppPrev;
441 if (((*ppPrev)->type == type) &&
442 (func == WINPROC_THUNKPROC(*ppPrev)))
449 /* WPF_CLASS thunk terminates window thunk list */
450 if ((*ppPrev)->user != user) break;
451 ppPrev = &(*ppPrev)->next;
456 /* Extract this thunk from the list */
458 *ppPrev = proc->next;
460 else /* Allocate a new one */
462 if (proc) /* Was already a win proc */
465 func = WINPROC_THUNKPROC(proc);
467 proc = WINPROC_AllocWinProc( func, type, user );
468 if (!proc) return FALSE;
471 /* Add the win proc at the head of the list */
473 TRACE_(win)("(%08x,%08x,%d): res=%08x\n",
474 (UINT)*pFirst, (UINT)func, type, (UINT)proc );
475 proc->next = *(WINDOWPROC **)pFirst;
476 *(WINDOWPROC **)pFirst = proc;
481 /**********************************************************************
484 * Free a list of win procs.
486 void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user )
490 WINDOWPROC *next = ((WINDOWPROC *)proc)->next;
491 if (((WINDOWPROC *)proc)->user != user) break;
492 TRACE_(win)("freeing %08x\n", (UINT)proc);
493 HeapFree( WinProcHeap, 0, proc );
499 /**********************************************************************
500 * WINPROC_GetProcType
502 * Return the window procedure type.
504 WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc )
507 (((WINDOWPROC *)proc)->magic != WINPROC_MAGIC))
508 return WIN_PROC_INVALID;
509 return ((WINDOWPROC *)proc)->type;
511 /**********************************************************************
512 * WINPROC_TestCBForStr
514 * Return TRUE if the lparam is a string
516 static BOOL WINPROC_TestCBForStr ( HWND hwnd )
519 WND * wnd = WIN_FindWndPtr(hwnd);
520 retvalue = ( !(LOWORD(wnd->dwStyle) & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) ||
521 (LOWORD(wnd->dwStyle) & CBS_HASSTRINGS) );
522 WIN_ReleaseWndPtr(wnd);
525 /**********************************************************************
526 * WINPROC_TestLBForStr
528 * Return TRUE if the lparam is a string
530 static BOOL WINPROC_TestLBForStr ( HWND hwnd )
533 WND * wnd = WIN_FindWndPtr(hwnd);
534 retvalue = ( !(LOWORD(wnd->dwStyle) & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) ||
535 (LOWORD(wnd->dwStyle) & LBS_HASSTRINGS) );
536 WIN_ReleaseWndPtr(wnd);
540 /**********************************************************************
541 * WINPROC_MapMsg32ATo32W
543 * Map a message from Ansi to Unicode.
544 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
547 * WM_CHARTOITEM, WM_MENUCHAR
550 * WM_GETTEXT/WM_SETTEXT and static control with SS_ICON style:
551 * the first four bytes are the handle of the icon
552 * when the WM_SETTEXT message has been used to set the icon
554 INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
560 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
561 *pwparam * sizeof(WCHAR) + sizeof(LPARAM) );
563 *ptr++ = *plparam; /* Store previous lParam */
564 *plparam = (LPARAM)ptr;
567 /* lparam is string (0-terminated) */
569 case WM_WININICHANGE:
572 case CB_FINDSTRINGEXACT:
573 case CB_SELECTSTRING:
577 case LB_FINDSTRINGEXACT:
578 case LB_SELECTSTRING:
580 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
581 return (*plparam ? 1 : -1);
587 { CREATESTRUCTW cs; /* new structure */
588 LPCWSTR lpszName; /* allocated Name */
589 LPCWSTR lpszClass; /* allocated Class */
592 struct s *xs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct s));
594 xs->cs = *(CREATESTRUCTW *)*plparam;
595 if (HIWORD(xs->cs.lpszName))
596 xs->lpszName = xs->cs.lpszName = HEAP_strdupAtoW( GetProcessHeap(), 0,
597 (LPCSTR)xs->cs.lpszName );
598 if (HIWORD(xs->cs.lpszClass))
599 xs->lpszClass = xs->cs.lpszClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
600 (LPCSTR)xs->cs.lpszClass );
601 *plparam = (LPARAM)xs;
606 MDICREATESTRUCTW *cs =
607 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
609 *cs = *(MDICREATESTRUCTW *)*plparam;
610 if (HIWORD(cs->szClass))
611 cs->szClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
612 (LPCSTR)cs->szClass );
613 if (HIWORD(cs->szTitle))
614 cs->szTitle = HEAP_strdupAtoW( GetProcessHeap(), 0,
615 (LPCSTR)cs->szTitle );
616 *plparam = (LPARAM)cs;
622 case LB_INSERTSTRING:
623 if ( WINPROC_TestLBForStr( hwnd ))
624 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
625 return (*plparam ? 1 : -1);
627 case LB_GETTEXT: /* fixme: fixed sized buffer */
628 { if ( WINPROC_TestLBForStr( hwnd ))
629 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
631 *ptr++ = *plparam; /* Store previous lParam */
632 *plparam = (LPARAM)ptr;
639 case CB_INSERTSTRING:
640 if ( WINPROC_TestCBForStr( hwnd ))
641 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
642 return (*plparam ? 1 : -1);
644 case CB_GETLBTEXT: /* fixme: fixed sized buffer */
645 { if ( WINPROC_TestCBForStr( hwnd ))
646 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
648 *ptr++ = *plparam; /* Store previous lParam */
649 *plparam = (LPARAM)ptr;
656 { WORD len = (WORD)*plparam;
657 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(WCHAR) );
659 *ptr++ = *plparam; /* Store previous lParam */
660 *((WORD *) ptr) = len; /* Store the length */
661 *plparam = (LPARAM)ptr;
669 case EM_SETPASSWORDCHAR:
673 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
678 case WM_ASKCBFORMATNAME:
679 case WM_DEVMODECHANGE:
680 case WM_PAINTCLIPBOARD:
681 case WM_SIZECLIPBOARD:
682 FIXME_(msg)("message %s (0x%x) needs translation, please report\n", SPY_GetMsgName(msg), msg );
684 default: /* No translation needed */
690 /**********************************************************************
691 * WINPROC_UnmapMsg32ATo32W
693 * Unmap a message that was mapped from Ansi to Unicode.
695 void WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
701 LPARAM *ptr = (LPARAM *)lParam - 1;
702 if (wParam > 0 && !WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
703 (LPSTR)*ptr, wParam, NULL, NULL ))
704 ((LPSTR)*ptr)[wParam-1] = 0;
705 HeapFree( GetProcessHeap(), 0, ptr );
713 { CREATESTRUCTW cs; /* new structure */
714 LPWSTR lpszName; /* allocated Name */
715 LPWSTR lpszClass; /* allocated Class */
717 struct s *xs = (struct s *)lParam;
718 if (xs->lpszName) HeapFree( GetProcessHeap(), 0, xs->lpszName );
719 if (xs->lpszClass) HeapFree( GetProcessHeap(), 0, xs->lpszClass );
720 HeapFree( GetProcessHeap(), 0, xs );
726 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
727 if (HIWORD(cs->szTitle))
728 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
729 if (HIWORD(cs->szClass))
730 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
731 HeapFree( GetProcessHeap(), 0, cs );
736 case WM_WININICHANGE:
739 case CB_FINDSTRINGEXACT:
740 case CB_SELECTSTRING:
744 case LB_FINDSTRINGEXACT:
745 case LB_SELECTSTRING:
747 HeapFree( GetProcessHeap(), 0, (void *)lParam );
752 case LB_INSERTSTRING:
753 if ( WINPROC_TestLBForStr( hwnd ))
754 HeapFree( GetProcessHeap(), 0, (void *)lParam );
758 { if ( WINPROC_TestLBForStr( hwnd ))
759 { LPARAM *ptr = (LPARAM *)lParam - 1;
760 WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, (LPSTR)*ptr, 0x7fffffff, NULL, NULL );
761 HeapFree( GetProcessHeap(), 0, ptr );
768 case CB_INSERTSTRING:
769 if ( WINPROC_TestCBForStr( hwnd ))
770 HeapFree( GetProcessHeap(), 0, (void *)lParam );
774 { if ( WINPROC_TestCBForStr( hwnd ))
775 { LPARAM *ptr = (LPARAM *)lParam - 1;
776 WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, (LPSTR)*ptr, 0x7fffffff, NULL, NULL );
777 HeapFree( GetProcessHeap(), 0, ptr );
784 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lParam */
785 WORD len = *(WORD *) lParam;
786 if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
787 (LPSTR)*ptr, len, NULL, NULL ))
788 ((LPSTR)*ptr)[len-1] = 0;
789 HeapFree( GetProcessHeap(), 0, ptr );
796 /**********************************************************************
797 * WINPROC_MapMsg32WTo32A
799 * Map a message from Unicode to Ansi.
800 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
802 INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
808 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
809 *pwparam + sizeof(LPARAM) );
811 *ptr++ = *plparam; /* Store previous lParam */
812 *plparam = (LPARAM)ptr;
817 case WM_WININICHANGE:
820 case CB_FINDSTRINGEXACT:
821 case CB_SELECTSTRING:
825 case LB_FINDSTRINGEXACT:
826 case LB_SELECTSTRING:
828 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
829 return (*plparam ? 1 : -1);
834 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
837 *cs = *(CREATESTRUCTA *)*plparam;
838 if (HIWORD(cs->lpszName))
839 cs->lpszName = HEAP_strdupWtoA( GetProcessHeap(), 0,
840 (LPCWSTR)cs->lpszName );
841 if (HIWORD(cs->lpszClass))
842 cs->lpszClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
843 (LPCWSTR)cs->lpszClass);
844 *plparam = (LPARAM)cs;
849 MDICREATESTRUCTA *cs =
850 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
852 *cs = *(MDICREATESTRUCTA *)*plparam;
853 if (HIWORD(cs->szTitle))
854 cs->szTitle = HEAP_strdupWtoA( GetProcessHeap(), 0,
855 (LPCWSTR)cs->szTitle );
856 if (HIWORD(cs->szClass))
857 cs->szClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
858 (LPCWSTR)cs->szClass );
859 *plparam = (LPARAM)cs;
865 case LB_INSERTSTRING:
866 if ( WINPROC_TestLBForStr( hwnd ))
867 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
868 return (*plparam ? 1 : -1);
870 case LB_GETTEXT: /* fixme: fixed sized buffer */
871 { if ( WINPROC_TestLBForStr( hwnd ))
872 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
874 *ptr++ = *plparam; /* Store previous lParam */
875 *plparam = (LPARAM)ptr;
882 case CB_INSERTSTRING:
883 if ( WINPROC_TestCBForStr( hwnd ))
884 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
885 return (*plparam ? 1 : -1);
887 case CB_GETLBTEXT: /* fixme: fixed sized buffer */
888 { if ( WINPROC_TestCBForStr( hwnd ))
889 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
891 *ptr++ = *plparam; /* Store previous lParam */
892 *plparam = (LPARAM)ptr;
899 { WORD len = (WORD)*plparam;
900 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
902 *ptr++ = *plparam; /* Store previous lParam */
903 *((WORD *) ptr) = len; /* Store the length */
904 *plparam = (LPARAM)ptr;
912 case EM_SETPASSWORDCHAR:
914 WCHAR wch = *pwparam;
916 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
921 case WM_ASKCBFORMATNAME:
922 case WM_DEVMODECHANGE:
923 case WM_PAINTCLIPBOARD:
924 case WM_SIZECLIPBOARD:
925 FIXME_(msg)("message %s (%04x) needs translation, please report\n",SPY_GetMsgName(msg),msg );
927 default: /* No translation needed */
933 /**********************************************************************
934 * WINPROC_UnmapMsg32WTo32A
936 * Unmap a message that was mapped from Unicode to Ansi.
938 void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
944 LPARAM *ptr = (LPARAM *)lParam - 1;
947 if (!MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, wParam ))
948 ((LPWSTR)*ptr)[wParam-1] = 0;
950 HeapFree( GetProcessHeap(), 0, ptr );
955 case WM_WININICHANGE:
958 case CB_FINDSTRINGEXACT:
959 case CB_SELECTSTRING:
963 case LB_FINDSTRINGEXACT:
964 case LB_SELECTSTRING:
966 HeapFree( GetProcessHeap(), 0, (void *)lParam );
972 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
973 if (HIWORD(cs->lpszName))
974 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
975 if (HIWORD(cs->lpszClass))
976 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
977 HeapFree( GetProcessHeap(), 0, cs );
983 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
984 if (HIWORD(cs->szTitle))
985 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
986 if (HIWORD(cs->szClass))
987 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
988 HeapFree( GetProcessHeap(), 0, cs );
994 case LB_INSERTSTRING:
995 if ( WINPROC_TestLBForStr( hwnd ))
996 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1000 if ( WINPROC_TestLBForStr( hwnd ))
1002 LPARAM *ptr = (LPARAM *)lParam - 1;
1003 MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff );
1004 HeapFree( GetProcessHeap(), 0, ptr );
1010 case CB_INSERTSTRING:
1011 if ( WINPROC_TestCBForStr( hwnd ))
1012 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1016 if ( WINPROC_TestCBForStr( hwnd ))
1018 LPARAM *ptr = (LPARAM *)lParam - 1;
1019 MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff );
1020 HeapFree( GetProcessHeap(), 0, ptr );
1024 /* Multiline edit */
1026 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
1027 WORD len = *(WORD *)ptr;
1030 if (!MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, len ))
1031 ((LPWSTR)*ptr)[len-1] = 0;
1033 HeapFree( GetProcessHeap(), 0, ptr );
1040 /**********************************************************************
1041 * WINPROC_MapMsg16To32A
1043 * Map a message from 16- to 32-bit Ansi.
1044 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1046 INT WINPROC_MapMsg16To32A( UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1047 WPARAM *pwparam32, LPARAM *plparam )
1049 *pmsg32 = (UINT)msg16;
1050 *pwparam32 = (WPARAM)wParam16;
1057 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1058 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1062 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1063 *plparam = (LPARAM)(HWND)HIWORD(*plparam);
1066 if ( HIWORD(*plparam) > CTLCOLOR_STATIC ) return -1;
1067 *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam);
1068 *pwparam32 = (WPARAM)(HDC)wParam16;
1069 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1071 case WM_COMPAREITEM:
1073 COMPAREITEMSTRUCT16* cis16 = MapSL(*plparam);
1074 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)
1075 HeapAlloc(GetProcessHeap(), 0, sizeof(*cis));
1076 if (!cis) return -1;
1077 cis->CtlType = cis16->CtlType;
1078 cis->CtlID = cis16->CtlID;
1079 cis->hwndItem = cis16->hwndItem;
1080 cis->itemID1 = cis16->itemID1;
1081 cis->itemData1 = cis16->itemData1;
1082 cis->itemID2 = cis16->itemID2;
1083 cis->itemData2 = cis16->itemData2;
1084 cis->dwLocaleId = 0; /* FIXME */
1085 *plparam = (LPARAM)cis;
1090 DELETEITEMSTRUCT16* dis16 = MapSL(*plparam);
1091 DELETEITEMSTRUCT *dis = (DELETEITEMSTRUCT *)
1092 HeapAlloc(GetProcessHeap(), 0, sizeof(*dis));
1093 if (!dis) return -1;
1094 dis->CtlType = dis16->CtlType;
1095 dis->CtlID = dis16->CtlID;
1096 dis->hwndItem = dis16->hwndItem;
1097 dis->itemData = dis16->itemData;
1098 *plparam = (LPARAM)dis;
1101 case WM_MEASUREITEM:
1103 MEASUREITEMSTRUCT16* mis16 = MapSL(*plparam);
1104 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)
1105 HeapAlloc(GetProcessHeap(), 0,
1106 sizeof(*mis) + sizeof(LPARAM));
1107 if (!mis) return -1;
1108 mis->CtlType = mis16->CtlType;
1109 mis->CtlID = mis16->CtlID;
1110 mis->itemID = mis16->itemID;
1111 mis->itemWidth = mis16->itemWidth;
1112 mis->itemHeight = mis16->itemHeight;
1113 mis->itemData = mis16->itemData;
1114 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1115 *plparam = (LPARAM)mis;
1120 DRAWITEMSTRUCT16* dis16 = MapSL(*plparam);
1121 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT*)HeapAlloc(GetProcessHeap(), 0,
1123 if (!dis) return -1;
1124 dis->CtlType = dis16->CtlType;
1125 dis->CtlID = dis16->CtlID;
1126 dis->itemID = dis16->itemID;
1127 dis->itemAction = dis16->itemAction;
1128 dis->itemState = dis16->itemState;
1129 dis->hwndItem = dis16->hwndItem;
1130 dis->hDC = dis16->hDC;
1131 dis->itemData = dis16->itemData;
1132 CONV_RECT16TO32( &dis16->rcItem, &dis->rcItem );
1133 *plparam = (LPARAM)dis;
1136 case WM_GETMINMAXINFO:
1138 MINMAXINFO *mmi = (MINMAXINFO *)HeapAlloc( GetProcessHeap(), 0,
1139 sizeof(*mmi) + sizeof(LPARAM));
1140 if (!mmi) return -1;
1141 STRUCT32_MINMAXINFO16to32( MapSL(*plparam), mmi );
1142 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1143 *plparam = (LPARAM)mmi;
1148 *plparam = (LPARAM)MapSL(*plparam);
1152 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1153 MDICREATESTRUCTA *cs = HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) + sizeof(LPARAM) );
1155 STRUCT32_MDICREATESTRUCT16to32A( cs16, cs );
1156 cs->szTitle = MapSL(cs16->szTitle);
1157 cs->szClass = MapSL(cs16->szClass);
1158 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1159 *plparam = (LPARAM)cs;
1162 case WM_MDIGETACTIVE:
1163 *plparam = (LPARAM)HeapAlloc( GetProcessHeap(), 0, sizeof(BOOL) );
1164 *(BOOL*)(*plparam) = 0;
1168 *pmsg32=WM_MDIREFRESHMENU;
1169 *pwparam32 = (WPARAM)(HMENU)LOWORD(*plparam);
1170 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1173 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1174 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1177 if((LOWORD(*plparam) & MF_POPUP) && (LOWORD(*plparam) != 0xFFFF))
1179 HMENU hmenu=(HMENU)HIWORD(*plparam);
1180 UINT Pos=MENU_FindSubMenu( &hmenu, wParam16);
1181 if(Pos==0xFFFF) Pos=0; /* NO_SELECTED_ITEM */
1182 *pwparam32 = MAKEWPARAM( Pos, LOWORD(*plparam) );
1184 else *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1185 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1187 case WM_MDIACTIVATE:
1190 *pwparam32 = (WPARAM)(HWND)HIWORD(*plparam);
1191 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1193 else /* message sent to MDI client */
1194 *pwparam32 = wParam16;
1198 NCCALCSIZE_PARAMS16 *nc16;
1199 NCCALCSIZE_PARAMS *nc;
1201 nc = (NCCALCSIZE_PARAMS *)HeapAlloc( GetProcessHeap(), 0,
1202 sizeof(*nc) + sizeof(LPARAM) );
1204 nc16 = MapSL(*plparam);
1205 CONV_RECT16TO32( &nc16->rgrc[0], &nc->rgrc[0] );
1208 nc->lppos = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1209 sizeof(*nc->lppos) );
1210 CONV_RECT16TO32( &nc16->rgrc[1], &nc->rgrc[1] );
1211 CONV_RECT16TO32( &nc16->rgrc[2], &nc->rgrc[2] );
1212 if (nc->lppos) STRUCT32_WINDOWPOS16to32( MapSL(nc16->lppos), nc->lppos );
1214 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1215 *plparam = (LPARAM)nc;
1221 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1222 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1223 sizeof(*cs) + sizeof(LPARAM) );
1225 STRUCT32_CREATESTRUCT16to32A( cs16, cs );
1226 cs->lpszName = MapSL(cs16->lpszName);
1227 cs->lpszClass = MapSL(cs16->lpszClass);
1228 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1229 *plparam = (LPARAM)cs;
1232 case WM_PARENTNOTIFY:
1233 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1235 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1236 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1239 case WM_WINDOWPOSCHANGING:
1240 case WM_WINDOWPOSCHANGED:
1242 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1243 sizeof(*wp) + sizeof(LPARAM) );
1245 STRUCT32_WINDOWPOS16to32( MapSL(*plparam), wp );
1246 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1247 *plparam = (LPARAM)wp;
1253 LPMSG16 msg16 = MapSL(*plparam);
1254 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1256 if (!msg32) return -1;
1257 msg32->hwnd = msg16->hwnd;
1258 msg32->lParam = msg16->lParam;
1259 msg32->time = msg16->time;
1260 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1261 /* this is right, right? */
1262 if (WINPROC_MapMsg16To32A(msg16->message,msg16->wParam,
1263 &msg32->message,&msg32->wParam,
1264 &msg32->lParam)<0) {
1265 HeapFree( GetProcessHeap(), 0, msg32 );
1268 *plparam = (LPARAM)msg32;
1273 *plparam = (LPARAM)MapSL(*plparam);
1275 case WM_ACTIVATEAPP:
1277 { /* We need this when SetActiveWindow sends a Sendmessage16() to
1278 a 32bit window. Might be superflous with 32bit interprocess
1281 HTASK16 htask = (HTASK16) *plparam;
1282 DWORD idThread = (DWORD)((TDB*)GlobalLock16(htask))->teb->tid;
1283 *plparam = (LPARAM) idThread;
1286 case WM_ASKCBFORMATNAME:
1287 case WM_DEVMODECHANGE:
1288 case WM_PAINTCLIPBOARD:
1289 case WM_SIZECLIPBOARD:
1290 case WM_WININICHANGE:
1291 FIXME_(msg)("message %04x needs translation\n",msg16 );
1294 default: /* No translation needed */
1300 /**********************************************************************
1301 * WINPROC_UnmapMsg16To32A
1303 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1305 LRESULT WINPROC_UnmapMsg16To32A( HWND16 hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1310 case WM_COMPAREITEM:
1313 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1315 case WM_MEASUREITEM:
1317 MEASUREITEMSTRUCT16 *mis16;
1318 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1319 lParam = *(LPARAM *)(mis + 1);
1320 mis16 = MapSL(lParam);
1321 mis16->itemWidth = (UINT16)mis->itemWidth;
1322 mis16->itemHeight = (UINT16)mis->itemHeight;
1323 HeapFree( GetProcessHeap(), 0, mis );
1326 case WM_GETMINMAXINFO:
1328 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1329 lParam = *(LPARAM *)(mmi + 1);
1330 STRUCT32_MINMAXINFO32to16( mmi, MapSL(lParam));
1331 HeapFree( GetProcessHeap(), 0, mmi );
1336 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1337 lParam = *(LPARAM *)(cs + 1);
1338 STRUCT32_MDICREATESTRUCT32Ato16( cs, MapSL(lParam) );
1339 HeapFree( GetProcessHeap(), 0, cs );
1342 case WM_MDIGETACTIVE:
1343 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1344 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1348 NCCALCSIZE_PARAMS16 *nc16;
1349 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1350 lParam = *(LPARAM *)(nc + 1);
1351 nc16 = MapSL(lParam);
1352 CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] );
1355 CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] );
1356 CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] );
1359 STRUCT32_WINDOWPOS32to16( nc->lppos, MapSL(nc16->lppos));
1360 HeapFree( GetProcessHeap(), 0, nc->lppos );
1363 HeapFree( GetProcessHeap(), 0, nc );
1369 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1370 lParam = *(LPARAM *)(cs + 1);
1371 STRUCT32_CREATESTRUCT32Ato16( cs, MapSL(lParam) );
1372 HeapFree( GetProcessHeap(), 0, cs );
1375 case WM_WINDOWPOSCHANGING:
1376 case WM_WINDOWPOSCHANGED:
1378 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1379 lParam = *(LPARAM *)(wp + 1);
1380 STRUCT32_WINDOWPOS32to16(wp, MapSL(lParam));
1381 HeapFree( GetProcessHeap(), 0, wp );
1387 LPMSG msg32 = (LPMSG)lParam;
1389 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1391 HeapFree( GetProcessHeap(), 0, msg32 );
1399 /**********************************************************************
1400 * WINPROC_MapMsg16To32W
1402 * Map a message from 16- to 32-bit Unicode.
1403 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1405 INT WINPROC_MapMsg16To32W( HWND16 hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1406 WPARAM *pwparam32, LPARAM *plparam )
1408 *pmsg32=(UINT)msg16;
1409 *pwparam32 = (WPARAM)wParam16;
1414 WORD len = (WORD)*plparam;
1415 LPARAM *ptr = (LPARAM *)HeapAlloc(GetProcessHeap(), 0, sizeof(LPARAM) + sizeof(WORD) + len * sizeof(WCHAR));
1417 *ptr++ = *plparam; /* Store previous lParam */
1418 *((WORD *)ptr) = len; /* Store the length */
1419 *plparam = (LPARAM)ptr;
1423 case EM_REPLACESEL16:
1427 *plparam = (LPARAM)MapSL(*plparam);
1428 len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, NULL, 0);
1429 str = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1431 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, str, len);
1432 *plparam = (LPARAM)str;
1438 *plparam = (LPARAM)MapSL(*plparam);
1439 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1443 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1444 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1445 sizeof(*cs) + sizeof(LPARAM) );
1447 STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1448 cs->lpszName = MapSL(cs16->lpszName);
1449 cs->lpszClass = MapSL(cs16->lpszClass);
1450 if (HIWORD(cs->lpszName))
1451 cs->lpszName = HEAP_strdupAtoW( GetProcessHeap(), 0,
1452 (LPCSTR)cs->lpszName );
1453 if (HIWORD(cs->lpszClass))
1454 cs->lpszClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
1455 (LPCSTR)cs->lpszClass );
1456 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1457 *plparam = (LPARAM)cs;
1462 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1463 MDICREATESTRUCTW *cs =
1464 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1465 sizeof(*cs) + sizeof(LPARAM) );
1467 STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1468 cs->szTitle = MapSL(cs16->szTitle);
1469 cs->szClass = MapSL(cs16->szClass);
1470 if (HIWORD(cs->szTitle))
1471 cs->szTitle = HEAP_strdupAtoW( GetProcessHeap(), 0,
1472 (LPCSTR)cs->szTitle );
1473 if (HIWORD(cs->szClass))
1474 cs->szClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
1475 (LPCSTR)cs->szClass );
1476 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1477 *plparam = (LPARAM)cs;
1483 LPMSG16 msg16 = MapSL(*plparam);
1484 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1486 if (!msg32) return -1;
1487 msg32->hwnd = msg16->hwnd;
1488 msg32->lParam = msg16->lParam;
1489 msg32->time = msg16->time;
1490 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1491 /* this is right, right? */
1492 if (WINPROC_MapMsg16To32W(hwnd, msg16->message,msg16->wParam,
1493 &msg32->message,&msg32->wParam,
1494 &msg32->lParam)<0) {
1495 HeapFree( GetProcessHeap(), 0, msg32 );
1498 *plparam = (LPARAM)msg32;
1506 case WM_SYSDEADCHAR:
1507 case EM_SETPASSWORDCHAR16:
1511 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1516 default: /* No Unicode translation needed */
1517 return WINPROC_MapMsg16To32A( msg16, wParam16, pmsg32,
1518 pwparam32, plparam );
1523 /**********************************************************************
1524 * WINPROC_UnmapMsg16To32W
1526 * Unmap a message that was mapped from 16- to 32-bit Unicode.
1528 LRESULT WINPROC_UnmapMsg16To32W( HWND16 hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1535 LPARAM *ptr = (LPARAM *)lParam - 1; /* get the old lParam */
1536 WORD len = *(WORD *)lParam;
1537 *ptr = (LPARAM)MapSL(*ptr);
1538 if(len > 0 && !WideCharToMultiByte(CP_ACP, 0, (LPWSTR)lParam, -1,
1539 (LPSTR)*ptr, len, NULL, NULL))
1540 ((LPSTR)*ptr)[len-1] = 0;
1541 HeapFree(GetProcessHeap(), 0, ptr);
1545 case EM_REPLACESEL16:
1546 HeapFree(GetProcessHeap(), 0, (void *)lParam);
1551 WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam );
1556 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
1557 lParam = *(LPARAM *)(cs + 1);
1558 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs, MapSL(lParam) );
1559 if (HIWORD(cs->lpszName))
1560 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
1561 if (HIWORD(cs->lpszClass))
1562 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
1563 HeapFree( GetProcessHeap(), 0, cs );
1568 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
1569 lParam = *(LPARAM *)(cs + 1);
1570 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs, MapSL(lParam) );
1571 if (HIWORD(cs->szTitle))
1572 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1573 if (HIWORD(cs->szClass))
1574 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1575 HeapFree( GetProcessHeap(), 0, cs );
1581 LPMSG msg32 = (LPMSG)lParam;
1583 WINPROC_UnmapMsg16To32W( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1585 HeapFree( GetProcessHeap(), 0, msg32 );
1589 return WINPROC_UnmapMsg16To32A( hwnd, msg, wParam, lParam, result );
1595 /**********************************************************************
1596 * WINPROC_MapMsg32ATo16
1598 * Map a message from 32-bit Ansi to 16-bit.
1599 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1601 INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
1602 UINT16 *pmsg16, WPARAM16 *pwparam16,
1605 *pmsg16 = (UINT16)msg32;
1606 *pwparam16 = (WPARAM16)LOWORD(wParam32);
1614 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1623 case EM_SCROLLCARET:
1626 case EM_GETLINECOUNT:
1638 case EM_LINEFROMCHAR:
1639 case EM_SETTABSTOPS:
1640 case EM_SETPASSWORDCHAR:
1641 case EM_EMPTYUNDOBUFFER:
1642 case EM_GETFIRSTVISIBLELINE:
1643 case EM_SETREADONLY:
1644 case EM_SETWORDBREAKPROC:
1645 case EM_GETWORDBREAKPROC:
1646 case EM_GETPASSWORDCHAR:
1647 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1652 case LB_DELETESTRING:
1653 case LB_GETANCHORINDEX:
1654 case LB_GETCARETINDEX:
1657 case LB_GETHORIZONTALEXTENT:
1658 case LB_GETITEMDATA:
1659 case LB_GETITEMHEIGHT:
1661 case LB_GETSELCOUNT:
1663 case LB_GETTOPINDEX:
1664 case LB_RESETCONTENT:
1665 case LB_SELITEMRANGE:
1666 case LB_SELITEMRANGEEX:
1667 case LB_SETANCHORINDEX:
1668 case LB_SETCARETINDEX:
1669 case LB_SETCOLUMNWIDTH:
1671 case LB_SETHORIZONTALEXTENT:
1672 case LB_SETITEMDATA:
1673 case LB_SETITEMHEIGHT:
1675 case LB_SETTOPINDEX:
1676 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1678 case CB_DELETESTRING:
1680 case CB_GETLBTEXTLEN:
1682 case CB_RESETCONTENT:
1686 case CB_SHOWDROPDOWN:
1687 case CB_SETITEMDATA:
1688 case CB_SETITEMHEIGHT:
1689 case CB_GETITEMHEIGHT:
1690 case CB_SETEXTENDEDUI:
1691 case CB_GETEXTENDEDUI:
1692 case CB_GETDROPPEDSTATE:
1693 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1696 *pmsg16 = CB_GETEDITSEL16;
1701 case LB_FINDSTRINGEXACT:
1702 case LB_INSERTSTRING:
1703 case LB_SELECTSTRING:
1707 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1708 if (!str) return -1;
1709 *plparam = (LPARAM)SEGPTR_GET(str);
1711 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1716 case CB_FINDSTRINGEXACT:
1717 case CB_INSERTSTRING:
1718 case CB_SELECTSTRING:
1721 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1722 if (!str) return -1;
1723 *plparam = (LPARAM)SEGPTR_GET(str);
1725 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1728 case LB_GETITEMRECT:
1731 rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) );
1732 if (!rect) return -1;
1733 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1734 *plparam = (LPARAM)SEGPTR_GET(rect);
1736 *pmsg16 = LB_GETITEMRECT16;
1738 case LB_GETSELITEMS:
1741 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
1742 if (!(items = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16)
1743 + sizeof(LPARAM)))) return -1;
1744 *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */
1745 *plparam = (LPARAM)SEGPTR_GET(items);
1747 *pmsg16 = LB_GETSELITEMS16;
1749 case LB_SETTABSTOPS:
1754 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
1755 if (!(stops = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16)
1756 + sizeof(LPARAM)))) return -1;
1757 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
1758 *plparam = (LPARAM)SEGPTR_GET(stops);
1761 *pmsg16 = LB_SETTABSTOPS16;
1764 case CB_GETDROPPEDCONTROLRECT:
1767 rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) );
1768 if (!rect) return -1;
1769 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1770 *plparam = (LPARAM)SEGPTR_GET(rect);
1772 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
1776 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
1777 *pmsg16 = LB_GETTEXT16;
1781 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
1782 *pmsg16 = CB_GETLBTEXT16;
1787 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
1788 *pmsg16 = EM_SETSEL16;
1795 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
1799 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
1801 case WM_CTLCOLORMSGBOX:
1802 case WM_CTLCOLOREDIT:
1803 case WM_CTLCOLORLISTBOX:
1804 case WM_CTLCOLORBTN:
1805 case WM_CTLCOLORDLG:
1806 case WM_CTLCOLORSCROLLBAR:
1807 case WM_CTLCOLORSTATIC:
1808 *pmsg16 = WM_CTLCOLOR;
1809 *plparam = MAKELPARAM( (HWND16)*plparam,
1810 (WORD)msg32 - WM_CTLCOLORMSGBOX );
1812 case WM_COMPAREITEM:
1814 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
1815 COMPAREITEMSTRUCT16 *cis = SEGPTR_NEW(COMPAREITEMSTRUCT16);
1816 if (!cis) return -1;
1817 cis->CtlType = (UINT16)cis32->CtlType;
1818 cis->CtlID = (UINT16)cis32->CtlID;
1819 cis->hwndItem = (HWND16)cis32->hwndItem;
1820 cis->itemID1 = (UINT16)cis32->itemID1;
1821 cis->itemData1 = cis32->itemData1;
1822 cis->itemID2 = (UINT16)cis32->itemID2;
1823 cis->itemData2 = cis32->itemData2;
1824 *plparam = (LPARAM)SEGPTR_GET(cis);
1829 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
1830 DELETEITEMSTRUCT16 *dis = SEGPTR_NEW(DELETEITEMSTRUCT16);
1831 if (!dis) return -1;
1832 dis->CtlType = (UINT16)dis32->CtlType;
1833 dis->CtlID = (UINT16)dis32->CtlID;
1834 dis->itemID = (UINT16)dis32->itemID;
1835 dis->hwndItem = (HWND16)dis32->hwndItem;
1836 dis->itemData = dis32->itemData;
1837 *plparam = (LPARAM)SEGPTR_GET(dis);
1842 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
1843 DRAWITEMSTRUCT16 *dis = SEGPTR_NEW(DRAWITEMSTRUCT16);
1844 if (!dis) return -1;
1845 dis->CtlType = (UINT16)dis32->CtlType;
1846 dis->CtlID = (UINT16)dis32->CtlID;
1847 dis->itemID = (UINT16)dis32->itemID;
1848 dis->itemAction = (UINT16)dis32->itemAction;
1849 dis->itemState = (UINT16)dis32->itemState;
1850 dis->hwndItem = (HWND16)dis32->hwndItem;
1851 dis->hDC = (HDC16)dis32->hDC;
1852 dis->itemData = dis32->itemData;
1853 CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem );
1854 *plparam = (LPARAM)SEGPTR_GET(dis);
1857 case WM_MEASUREITEM:
1859 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
1860 MEASUREITEMSTRUCT16 *mis = (MEASUREITEMSTRUCT16 *)
1861 SEGPTR_ALLOC(sizeof(*mis)+sizeof(LPARAM));
1862 if (!mis) return -1;
1863 mis->CtlType = (UINT16)mis32->CtlType;
1864 mis->CtlID = (UINT16)mis32->CtlID;
1865 mis->itemID = (UINT16)mis32->itemID;
1866 mis->itemWidth = (UINT16)mis32->itemWidth;
1867 mis->itemHeight = (UINT16)mis32->itemHeight;
1868 mis->itemData = mis32->itemData;
1869 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1870 *plparam = (LPARAM)SEGPTR_GET(mis);
1873 case WM_GETMINMAXINFO:
1875 MINMAXINFO16 *mmi = (MINMAXINFO16 *)SEGPTR_ALLOC( sizeof(*mmi) +
1877 if (!mmi) return -1;
1878 STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
1879 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1880 *plparam = (LPARAM)SEGPTR_GET(mmi);
1886 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
1887 if (!(str = SEGPTR_ALLOC(*pwparam16 + sizeof(LPARAM)))) return -1;
1888 *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */
1889 *plparam = (LPARAM)SEGPTR_GET(str);
1894 MDICREATESTRUCT16 *cs;
1895 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
1898 if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1;
1899 STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs );
1900 name = SEGPTR_STRDUP( cs32->szTitle );
1901 cls = SEGPTR_STRDUP( cs32->szClass );
1902 cs->szTitle = SEGPTR_GET(name);
1903 cs->szClass = SEGPTR_GET(cls);
1904 *plparam = (LPARAM)SEGPTR_GET(cs);
1907 case WM_MDIGETACTIVE:
1910 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
1911 (HMENU16)LOWORD(*plparam) );
1912 *pwparam16 = (*plparam == 0);
1915 if(HIWORD(wParam32) & MF_POPUP)
1918 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
1920 if((hmenu = GetSubMenu((HMENU16)*plparam, *pwparam16)))
1926 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
1928 case WM_MDIACTIVATE:
1929 if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
1931 *pwparam16 = ((HWND)*plparam == hwnd);
1932 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
1933 (HWND16)LOWORD(wParam32) );
1937 *pwparam16 = (HWND)wParam32;
1943 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
1944 NCCALCSIZE_PARAMS16 *nc = (NCCALCSIZE_PARAMS16 *)SEGPTR_ALLOC( sizeof(*nc) + sizeof(LPARAM) );
1947 CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] );
1951 CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] );
1952 CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] );
1953 if (!(wp = SEGPTR_NEW(WINDOWPOS16)))
1958 STRUCT32_WINDOWPOS32to16( nc32->lppos, wp );
1959 nc->lppos = SEGPTR_GET(wp);
1961 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1962 *plparam = (LPARAM)SEGPTR_GET(nc);
1969 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
1972 if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1;
1973 STRUCT32_CREATESTRUCT32Ato16( cs32, cs );
1974 name = SEGPTR_STRDUP( cs32->lpszName );
1975 cls = SEGPTR_STRDUP( cs32->lpszClass );
1976 cs->lpszName = SEGPTR_GET(name);
1977 cs->lpszClass = SEGPTR_GET(cls);
1978 *plparam = (LPARAM)SEGPTR_GET(cs);
1981 case WM_PARENTNOTIFY:
1982 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
1983 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
1984 /* else nothing to do */
1987 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
1991 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1992 if (!str) return -1;
1993 *plparam = (LPARAM)SEGPTR_GET(str);
1996 case WM_WINDOWPOSCHANGING:
1997 case WM_WINDOWPOSCHANGED:
1999 WINDOWPOS16 *wp = (WINDOWPOS16 *)SEGPTR_ALLOC( sizeof(*wp) +
2002 STRUCT32_WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
2003 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
2004 *plparam = (LPARAM)SEGPTR_GET(wp);
2009 LPMSG msg32 = (LPMSG) *plparam;
2010 LPMSG16 msg16 = (LPMSG16) SEGPTR_NEW( MSG16 );
2012 if (!msg16) return -1;
2013 msg16->hwnd = msg32->hwnd;
2014 msg16->lParam = msg32->lParam;
2015 msg16->time = msg32->time;
2016 CONV_POINT32TO16(&msg32->pt,&msg16->pt);
2017 /* this is right, right? */
2018 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
2019 &msg16->message,&msg16->wParam, &msg16->lParam)<0) {
2020 SEGPTR_FREE( msg16 );
2023 *plparam = (LPARAM)SEGPTR_GET(msg16);
2028 case WM_ACTIVATEAPP:
2030 *plparam = (LPARAM)THREAD_IdToTEB((DWORD) *plparam)->htask16;
2033 case WM_ASKCBFORMATNAME:
2034 case WM_DEVMODECHANGE:
2035 case WM_PAINTCLIPBOARD:
2036 case WM_SIZECLIPBOARD:
2037 case WM_WININICHANGE:
2038 FIXME_(msg)("message %04x needs translation\n", msg32 );
2040 case WM_SIZING: /* should not be send to 16-bit apps */
2042 default: /* No translation needed */
2048 /**********************************************************************
2049 * WINPROC_UnmapMsg32ATo16
2051 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
2053 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2062 case LB_FINDSTRINGEXACT:
2063 case LB_INSERTSTRING:
2064 case LB_SELECTSTRING:
2065 case LB_SETTABSTOPS:
2068 case CB_FINDSTRINGEXACT:
2069 case CB_INSERTSTRING:
2070 case CB_SELECTSTRING:
2072 case WM_COMPAREITEM:
2076 SEGPTR_FREE( MapSL(p16->lParam) );
2079 case CB_GETDROPPEDCONTROLRECT:
2080 case LB_GETITEMRECT:
2082 RECT16 *rect = MapSL(p16->lParam);
2083 p16->lParam = *(LPARAM *)(rect + 1);
2084 CONV_RECT16TO32( rect, (RECT *)(p16->lParam));
2085 SEGPTR_FREE( rect );
2088 case LB_GETSELITEMS:
2091 LPINT16 items = MapSL(lParam);
2092 p16->lParam = *((LPARAM *)items - 1);
2093 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2094 SEGPTR_FREE( (LPARAM *)items - 1 );
2100 *((LPUINT)(wParam)) = LOWORD(p16->lResult);
2102 *((LPUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2107 UnMapLS( (SEGPTR)(p16->lParam) );
2110 case WM_MEASUREITEM:
2112 MEASUREITEMSTRUCT16 *mis = MapSL(p16->lParam);
2113 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2114 mis32->itemWidth = mis->itemWidth;
2115 mis32->itemHeight = mis->itemHeight;
2119 case WM_GETMINMAXINFO:
2121 MINMAXINFO16 *mmi = MapSL(p16->lParam);
2122 p16->lParam = *(LPARAM *)(mmi + 1);
2123 STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2129 LPSTR str = MapSL(p16->lParam);
2130 p16->lParam = *((LPARAM *)str - 1);
2131 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2132 SEGPTR_FREE( (LPARAM *)str - 1 );
2137 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2138 SEGPTR_FREE( MapSL(cs->szTitle) );
2139 SEGPTR_FREE( MapSL(cs->szClass) );
2143 case WM_MDIGETACTIVE:
2144 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2145 p16->lResult = (HWND)LOWORD(p16->lResult);
2149 NCCALCSIZE_PARAMS *nc32;
2150 NCCALCSIZE_PARAMS16 *nc = MapSL(p16->lParam);
2151 p16->lParam = *(LPARAM *)(nc + 1);
2152 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2153 CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] );
2156 CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] );
2157 CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] );
2158 STRUCT32_WINDOWPOS16to32( MapSL(nc->lppos), nc32->lppos );
2159 SEGPTR_FREE( MapSL(nc->lppos) );
2167 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2168 SEGPTR_FREE( MapSL(cs->lpszName) );
2169 SEGPTR_FREE( MapSL(cs->lpszClass) );
2173 case WM_WINDOWPOSCHANGING:
2174 case WM_WINDOWPOSCHANGED:
2176 WINDOWPOS16 *wp = MapSL(p16->lParam);
2177 p16->lParam = *(LPARAM *)(wp + 1);
2178 STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2183 UnMapLS(p16->lParam);
2188 LPMSG16 msg16 = MapSL(p16->lParam);
2190 msgp16.wParam=msg16->wParam;
2191 msgp16.lParam=msg16->lParam;
2192 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2193 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2202 /**********************************************************************
2203 * WINPROC_MapMsg32WTo16
2205 * Map a message from 32-bit Unicode to 16-bit.
2206 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2208 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2209 UINT16 *pmsg16, WPARAM16 *pwparam16,
2212 *pmsg16 = LOWORD(msg32);
2213 *pwparam16 = LOWORD(wParam32);
2218 case LB_FINDSTRINGEXACT:
2219 case LB_INSERTSTRING:
2220 case LB_SELECTSTRING:
2224 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2225 if (!str) return -1;
2226 *plparam = (LPARAM)SEGPTR_GET(str);
2228 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2233 case CB_FINDSTRINGEXACT:
2234 case CB_INSERTSTRING:
2235 case CB_SELECTSTRING:
2238 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2239 if (!str) return -1;
2240 *plparam = (LPARAM)SEGPTR_GET(str);
2242 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2249 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2252 if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1;
2253 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2254 name = SEGPTR_STRDUP_WtoA( cs32->lpszName );
2255 cls = SEGPTR_STRDUP_WtoA( cs32->lpszClass );
2256 cs->lpszName = SEGPTR_GET(name);
2257 cs->lpszClass = SEGPTR_GET(cls);
2258 *plparam = (LPARAM)SEGPTR_GET(cs);
2263 MDICREATESTRUCT16 *cs;
2264 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2267 if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1;
2268 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2269 name = SEGPTR_STRDUP_WtoA( cs32->szTitle );
2270 cls = SEGPTR_STRDUP_WtoA( cs32->szClass );
2271 cs->szTitle = SEGPTR_GET(name);
2272 cs->szClass = SEGPTR_GET(cls);
2273 *plparam = (LPARAM)SEGPTR_GET(cs);
2278 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2279 if (!str) return -1;
2280 *plparam = (LPARAM)SEGPTR_GET(str);
2285 if ( WINPROC_TestLBForStr( hwnd ))
2287 LPSTR str = (LPSTR) SEGPTR_ALLOC( 256 ); /* fixme: fixed sized buffer */
2288 if (!str) return -1;
2289 *pmsg16 = (msg32 == LB_GETTEXT)? LB_GETTEXT16 : CB_GETLBTEXT16;
2290 *plparam = (LPARAM)SEGPTR_GET(str);
2297 case WM_SYSDEADCHAR:
2299 WCHAR wch = wParam32;
2301 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2306 default: /* No Unicode translation needed (?) */
2307 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2308 pwparam16, plparam );
2313 /**********************************************************************
2314 * WINPROC_UnmapMsg32WTo16
2316 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2318 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2325 LPSTR str = MapSL(p16->lParam);
2326 p16->lParam = *((LPARAM *)str - 1);
2327 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)p16->lParam, 0x7fffffff );
2328 SEGPTR_FREE( (LPARAM *)str - 1 );
2333 if ( WINPROC_TestLBForStr( hwnd ))
2335 LPSTR str = MapSL(p16->lParam);
2336 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff );
2337 SEGPTR_FREE( (LPARAM *) str );
2341 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2347 /**********************************************************************
2348 * WINPROC_CallProc32ATo32W
2350 * Call a window procedure, translating args from Ansi to Unicode.
2352 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2353 UINT msg, WPARAM wParam,
2358 if (WINPROC_MapMsg32ATo32W( hwnd, msg, &wParam, &lParam ) == -1) return 0;
2359 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2360 WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam );
2365 /**********************************************************************
2366 * WINPROC_CallProc32WTo32A
2368 * Call a window procedure, translating args from Unicode to Ansi.
2370 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
2371 UINT msg, WPARAM wParam,
2376 if (WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam ) == -1) return 0;
2377 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2378 WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam );
2383 /**********************************************************************
2384 * WINPROC_CallProc16To32A
2386 * Call a 32-bit window procedure, translating the 16-bit args.
2388 static LRESULT WINPROC_CallProc16To32A( WNDPROC func, HWND16 hwnd,
2389 UINT16 msg, WPARAM16 wParam,
2396 if (WINPROC_MapMsg16To32A( msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2398 result = WINPROC_CallWndProc( func, hwnd, msg32, wParam32, lParam );
2399 return WINPROC_UnmapMsg16To32A( hwnd, msg32, wParam32, lParam, result );
2402 /**********************************************************************
2403 * WINPROC_Thunk16To32A
2405 static LRESULT WINAPI WINPROC_Thunk16To32A( WNDPROC func, LPBYTE args )
2407 HWND16 hwnd = *(HWND16 *)( args+8 );
2408 UINT16 msg = *(HWND16 *)( args+6 );
2409 WPARAM16 wParam = *(HWND16 *)( args+4 );
2410 LPARAM lParam = *(LPARAM *)( args+0 );
2412 return WINPROC_CallProc16To32A( func, hwnd, msg, wParam, lParam );
2416 /**********************************************************************
2417 * WINPROC_CallProc16To32W
2419 * Call a 32-bit window procedure, translating the 16-bit args.
2421 static LRESULT WINPROC_CallProc16To32W( WNDPROC func, HWND16 hwnd,
2422 UINT16 msg, WPARAM16 wParam,
2429 if (WINPROC_MapMsg16To32W( hwnd, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2432 result = WINPROC_CallWndProc( func, hwnd, msg32, wParam32, lParam );
2434 return WINPROC_UnmapMsg16To32W( hwnd, msg32, wParam32, lParam, result );
2437 /**********************************************************************
2438 * WINPROC_Thunk16To32W
2440 static LRESULT WINAPI WINPROC_Thunk16To32W( WNDPROC func, LPBYTE args )
2442 HWND16 hwnd = *(HWND16 *)( args+8 );
2443 UINT16 msg = *(HWND16 *)( args+6 );
2444 WPARAM16 wParam = *(HWND16 *)( args+4 );
2445 LPARAM lParam = *(LPARAM *)( args+0 );
2447 return WINPROC_CallProc16To32W( func, hwnd, msg, wParam, lParam );
2450 /**********************************************************************
2451 * WINPROC_CallProc32ATo16
2453 * Call a 16-bit window procedure, translating the 32-bit args.
2455 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
2456 UINT msg, WPARAM wParam,
2462 mp16.lParam = lParam;
2463 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam,
2464 &msg16, &mp16.wParam, &mp16.lParam ) == -1)
2466 mp16.lResult = WINPROC_CallWndProc16( func, hwnd, msg16,
2467 mp16.wParam, mp16.lParam );
2468 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
2469 return mp16.lResult;
2473 /**********************************************************************
2474 * WINPROC_CallProc32WTo16
2476 * Call a 16-bit window procedure, translating the 32-bit args.
2478 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
2479 UINT msg, WPARAM wParam,
2485 mp16.lParam = lParam;
2486 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
2487 &mp16.lParam ) == -1)
2489 mp16.lResult = WINPROC_CallWndProc16( func, hwnd, msg16,
2490 mp16.wParam, mp16.lParam );
2491 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
2492 return mp16.lResult;
2496 /**********************************************************************
2497 * CallWindowProc (USER.122)
2498 * CallWindowProc16 (USER32.@)
2500 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2501 WPARAM16 wParam, LPARAM lParam )
2503 WINDOWPROC *proc = WINPROC_GetPtr( func );
2506 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2509 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_16 );
2510 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2516 if (!proc->thunk.t_from32.proc) return 0;
2517 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
2518 hwnd, msg, wParam, lParam );
2520 if (!proc->thunk.t_from16.proc) return 0;
2521 return WINPROC_CallProc16To32A( proc->thunk.t_from16.proc,
2522 hwnd, msg, wParam, lParam );
2524 if (!proc->thunk.t_from16.proc) return 0;
2525 return WINPROC_CallProc16To32W( proc->thunk.t_from16.proc,
2526 hwnd, msg, wParam, lParam );
2528 WARN_(relay)("Invalid proc %p\n", proc );
2534 /**********************************************************************
2535 * CallWindowProcA (USER32.@)
2537 * The CallWindowProc() function invokes the windows procedure _func_,
2538 * with _hwnd_ as the target window, the message specified by _msg_, and
2539 * the message parameters _wParam_ and _lParam_.
2541 * Some kinds of argument conversion may be done, I'm not sure what.
2543 * CallWindowProc() may be used for windows subclassing. Use
2544 * SetWindowLong() to set a new windows procedure for windows of the
2545 * subclass, and handle subclassed messages in the new windows
2546 * procedure. The new windows procedure may then use CallWindowProc()
2547 * with _func_ set to the parent class's windows procedure to dispatch
2548 * the message to the superclass.
2552 * The return value is message dependent.
2558 LRESULT WINAPI CallWindowProcA(
2559 WNDPROC func, /* [in] window procedure */
2560 HWND hwnd, /* [in] target window */
2561 UINT msg, /* [in] message */
2562 WPARAM wParam, /* [in] message dependent parameter */
2563 LPARAM lParam /* [in] message dependent parameter */
2565 WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func );
2567 if (!proc) return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2570 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32A );
2571 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2577 if (!proc->thunk.t_from32.proc) return 0;
2578 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
2579 hwnd, msg, wParam, lParam );
2581 if (!proc->thunk.t_from16.proc) return 0;
2582 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2583 hwnd, msg, wParam, lParam );
2585 if (!proc->thunk.t_from16.proc) return 0;
2586 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
2587 hwnd, msg, wParam, lParam );
2589 WARN_(relay)("Invalid proc %p\n", proc );
2595 /**********************************************************************
2596 * CallWindowProcW (USER32.@)
2598 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
2599 WPARAM wParam, LPARAM lParam )
2601 WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func );
2603 if (!proc) return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2606 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32W );
2607 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2613 if (!proc->thunk.t_from32.proc) return 0;
2614 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
2615 hwnd, msg, wParam, lParam );
2617 if (!proc->thunk.t_from16.proc) return 0;
2618 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
2619 hwnd, msg, wParam, lParam );
2621 if (!proc->thunk.t_from16.proc) return 0;
2622 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2623 hwnd, msg, wParam, lParam );
2625 WARN_(relay)("Invalid proc %p\n", proc );