2 * Window procedure callbacks
4 * Copyright 1995 Martin von Loewis
5 * Copyright 1996 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/port.h"
32 #include "wine/winbase16.h"
33 #include "wine/winuser16.h"
34 #include "stackframe.h"
40 #include "wine/debug.h"
46 WINE_DECLARE_DEBUG_CHANNEL(msg);
47 WINE_DECLARE_DEBUG_CHANNEL(relay);
48 WINE_DEFAULT_DEBUG_CHANNEL(win);
52 /* Window procedure 16-to-32-bit thunk */
55 BYTE popl_eax; /* popl %eax (return address) */
56 BYTE pushl_func; /* pushl $proc */
58 BYTE pushl_eax; /* pushl %eax */
59 BYTE ljmp; /* ljmp relay*/
60 DWORD relay_offset; /* __wine_call_wndproc_32A/W */
62 } WINPROC_THUNK_FROM16;
64 /* Window procedure 32-to-16-bit thunk */
67 BYTE popl_eax; /* popl %eax (return address) */
68 BYTE pushl_func; /* pushl $proc */
70 BYTE pushl_eax; /* pushl %eax */
71 BYTE jmp; /* jmp relay (relative jump)*/
72 void (*relay)(); /* WINPROC_CallProc32ATo16() */
73 } WINPROC_THUNK_FROM32;
75 /* Simple jmp to call 32-bit procedure directly */
78 BYTE jmp; /* jmp proc (relative jump) */
85 WINPROC_THUNK_FROM16 t_from16;
86 WINPROC_THUNK_FROM32 t_from32;
89 typedef struct tagWINDOWPROC
91 WINPROC_THUNK thunk; /* Thunk */
92 WINPROC_JUMP jmp; /* Jump */
93 struct tagWINDOWPROC *next; /* Next window proc */
94 UINT magic; /* Magic number */
95 WINDOWPROCTYPE type; /* Function type */
96 WINDOWPROCUSER user; /* Function user */
99 #define WINPROC_MAGIC ('W' | ('P' << 8) | ('R' << 16) | ('C' << 24))
101 #define WINPROC_THUNKPROC(pproc) \
102 (((pproc)->type == WIN_PROC_16) ? \
103 (WNDPROC16)((pproc)->thunk.t_from32.proc) : \
104 (WNDPROC16)((pproc)->thunk.t_from16.proc))
106 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
107 UINT msg, WPARAM wParam,
109 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
110 UINT msg, WPARAM wParam,
113 #define MAX_WINPROCS (0x10000 / sizeof(WINDOWPROC))
115 static WINDOWPROC winproc_array[MAX_WINPROCS];
116 static WINDOWPROC *winproc_first_free;
117 static UINT winproc_used;
119 static CRITICAL_SECTION winproc_cs;
120 static CRITICAL_SECTION_DEBUG critsect_debug =
123 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
124 0, 0, { 0, (DWORD)(__FILE__ ": winproc_cs") }
126 static CRITICAL_SECTION winproc_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
128 /* allocate a window procedure from the global array */
129 static WINDOWPROC *alloc_winproc(void)
131 WINDOWPROC *ret = NULL;
133 EnterCriticalSection( &winproc_cs );
134 if ((ret = winproc_first_free))
135 winproc_first_free = ret->next;
136 else if (winproc_used < MAX_WINPROCS)
137 ret = &winproc_array[winproc_used++];
138 LeaveCriticalSection( &winproc_cs );
142 static void free_winproc( WINDOWPROC *proc )
144 EnterCriticalSection( &winproc_cs );
146 proc->next = winproc_first_free;
147 winproc_first_free = proc;
148 LeaveCriticalSection( &winproc_cs );
151 static BOOL is_valid_winproc( WINDOWPROC *proc )
153 if (proc < winproc_array || proc >= winproc_array + MAX_WINPROCS) return FALSE;
154 if (proc != winproc_array + (proc - winproc_array)) return FALSE;
155 return (proc->magic == WINPROC_MAGIC);
158 static WORD get_winproc_selector(void)
160 static LONG winproc_selector;
163 if (!(ret = winproc_selector))
166 WORD sel = wine_ldt_alloc_entries(1);
167 wine_ldt_set_base( &entry, winproc_array );
168 wine_ldt_set_limit( &entry, sizeof(winproc_array) - 1 );
169 wine_ldt_set_flags( &entry, WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
170 wine_ldt_set_entry( sel, &entry );
171 if (!(ret = InterlockedCompareExchange( &winproc_selector, sel, 0 ))) ret = sel;
172 else wine_ldt_free_entries( sel, 1 ); /* somebody beat us to it */
179 /* Some window procedures modify register they shouldn't, or are not
180 * properly declared stdcall; so we need a small assembly wrapper to
182 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
183 WPARAM wParam, LPARAM lParam );
184 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
194 "movl 8(%ebp),%eax\n\t"
196 "leal -12(%ebp),%esp\n\t"
203 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
204 WPARAM wParam, LPARAM lParam )
206 return proc( hwnd, msg, wParam, lParam );
208 #endif /* __i386__ */
210 /**********************************************************************
211 * WINPROC_CallWndProc32
213 * Call a 32-bit WndProc.
215 static LRESULT WINPROC_CallWndProc( WNDPROC proc, HWND hwnd, UINT msg,
216 WPARAM wParam, LPARAM lParam )
221 hwnd = WIN_GetFullHandle( hwnd );
223 DPRINTF( "%04lx:Call window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
224 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam );
225 /* To avoid any deadlocks, all the locks on the windows structures
226 must be suspended before the control is passed to the application */
227 iWndsLocks = WIN_SuspendWndsLock();
228 retvalue = WINPROC_wrapper( proc, hwnd, msg, wParam, lParam );
229 WIN_RestoreWndsLock(iWndsLocks);
232 DPRINTF( "%04lx:Ret window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx) retval=%08lx\n",
233 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam, retvalue );
237 /***********************************************************************
238 * WINPROC_CallWndProc16
240 * Call a 16-bit window procedure
242 static LRESULT WINAPI WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd,
243 UINT16 msg, WPARAM16 wParam,
250 TEB *teb = NtCurrentTeb();
253 /* Window procedures want ax = hInstance, ds = es = ss */
255 memset(&context, 0, sizeof(context));
256 context.SegDs = context.SegEs = SELECTOROF(teb->cur_stack);
257 context.SegFs = wine_get_fs();
258 context.SegGs = wine_get_gs();
259 if (!(context.Eax = GetWindowWord( HWND_32(hwnd), GWL_HINSTANCE ))) context.Eax = context.SegDs;
260 context.SegCs = SELECTOROF(proc);
261 context.Eip = OFFSETOF(proc);
262 context.Ebp = OFFSETOF(teb->cur_stack)
263 + (WORD)&((STACK16FRAME*)0)->bp;
267 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
268 work if structures passed in lParam are placed in the stack/data
269 segment. Programmers easily make the mistake of converting lParam
270 to a near rather than a far pointer, since Windows apparently
271 allows this. We copy the structures to the 16 bit stack; this is
272 ugly but makes these programs work. */
277 offset = sizeof(CREATESTRUCT16); break;
279 offset = sizeof(DRAWITEMSTRUCT16); break;
281 offset = sizeof(COMPAREITEMSTRUCT16); break;
285 void *s = MapSL(lParam);
286 lParam = stack16_push( offset );
287 memcpy( MapSL(lParam), s, offset );
291 iWndsLocks = WIN_SuspendWndsLock();
296 args[1] = HIWORD(lParam);
297 args[0] = LOWORD(lParam);
298 WOWCallback16Ex( 0, WCB16_REGS, sizeof(args), args, (DWORD *)&context );
299 ret = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
301 if (offset) stack16_pop( offset );
303 WIN_RestoreWndsLock(iWndsLocks);
309 /**********************************************************************
312 * Return a pointer to the win proc.
314 static WINDOWPROC *WINPROC_GetPtr( WNDPROC handle )
319 /* ptr cannot be < 64K */
320 if (!HIWORD(handle)) return NULL;
322 /* Check for a linear pointer */
324 ptr = (BYTE *)handle;
325 /* First check if it is the jmp address */
326 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->jmp);
327 if (is_valid_winproc(proc)) return proc;
329 /* Now it must be the thunk address */
330 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
331 if (is_valid_winproc(proc)) return proc;
333 /* Check for a segmented pointer */
335 if (!IsBadReadPtr16( (SEGPTR)handle, sizeof(proc->thunk) ))
337 ptr = MapSL( (SEGPTR)handle );
338 /* It must be the thunk address */
339 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
340 if (is_valid_winproc(proc)) return proc;
347 /**********************************************************************
348 * WINPROC_AllocWinProc
350 * Allocate a new window procedure.
352 static WINDOWPROC *WINPROC_AllocWinProc( WNDPROC func, WINDOWPROCTYPE type,
353 WINDOWPROCUSER user )
355 static FARPROC16 relay_32A, relay_32W;
357 WINDOWPROC *proc, *oldproc;
359 /* Allocate a window procedure */
361 if (!(proc = alloc_winproc())) return 0;
363 /* Check if the function is already a win proc */
365 if ((oldproc = WINPROC_GetPtr( func )))
374 proc->thunk.t_from32.popl_eax = 0x58; /* popl %eax */
375 proc->thunk.t_from32.pushl_func = 0x68; /* pushl $proc */
376 proc->thunk.t_from32.proc = (WNDPROC16)func;
377 proc->thunk.t_from32.pushl_eax = 0x50; /* pushl %eax */
378 proc->thunk.t_from32.jmp = 0xe9; /* jmp relay*/
379 proc->thunk.t_from32.relay = /* relative jump */
380 (void(*)())((DWORD)WINPROC_CallProc32ATo16 -
381 (DWORD)(&proc->thunk.t_from32.relay + 1));
384 if (!relay_32A) relay_32A = GetProcAddress16( GetModuleHandle16("user"),
385 "__wine_call_wndproc_32A" );
386 proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */
387 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
388 proc->thunk.t_from16.proc = func;
389 proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */
390 proc->thunk.t_from16.ljmp = 0xea; /* ljmp relay*/
391 proc->thunk.t_from16.relay_offset = OFFSETOF(relay_32A);
392 proc->thunk.t_from16.relay_sel = SELECTOROF(relay_32A);
393 proc->jmp.jmp = 0xe9;
394 /* Fixup relative jump */
395 proc->jmp.proc = (WNDPROC)((DWORD)func - (DWORD)(&proc->jmp.proc + 1));
398 if (!relay_32W) relay_32W = GetProcAddress16( GetModuleHandle16("user"),
399 "__wine_call_wndproc_32W" );
400 proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */
401 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
402 proc->thunk.t_from16.proc = func;
403 proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */
404 proc->thunk.t_from16.ljmp = 0xea; /* ljmp relay*/
405 proc->thunk.t_from16.relay_offset = OFFSETOF(relay_32W);
406 proc->thunk.t_from16.relay_sel = SELECTOROF(relay_32W);
407 proc->jmp.jmp = 0xe9;
408 /* Fixup relative jump */
409 proc->jmp.proc = (WNDPROC)((char *)func - (char *)(&proc->jmp.proc + 1));
412 /* Should not happen */
415 proc->magic = WINPROC_MAGIC;
420 TRACE("(%p,%d): returning %p\n", func, type, proc );
425 /**********************************************************************
428 * Get a window procedure pointer that can be passed to the Windows program.
430 WNDPROC16 WINPROC_GetProc( WNDPROC proc, WINDOWPROCTYPE type )
432 WINDOWPROC *ptr = (WINDOWPROC *)proc;
434 if (!proc) return NULL;
435 if (type == WIN_PROC_16) /* We want a 16:16 address */
437 if (ptr->type == WIN_PROC_16)
438 return ptr->thunk.t_from32.proc;
440 return (WNDPROC16)MAKESEGPTR( get_winproc_selector(),
441 (char *)&ptr->thunk - (char *)winproc_array );
443 else /* We want a 32-bit address */
445 if (ptr->type == WIN_PROC_16)
446 return (WNDPROC16)&ptr->thunk;
447 else if (type != ptr->type)
448 /* Have to return the jmp address if types don't match */
449 return (WNDPROC16)&ptr->jmp;
451 /* Some Win16 programs want to get back the proc they set */
452 return (WNDPROC16)ptr->thunk.t_from16.proc;
457 /**********************************************************************
460 * Set the window procedure for a window or class. There are
461 * three tree classes of winproc callbacks:
463 * 1) class -> wp - not subclassed
464 * class -> wp -> wp -> wp -> wp - SetClassLong()
466 * 2) window -' / - not subclassed
467 * window -> wp -> wp ' - SetWindowLong()
469 * 3) timer -> wp - SetTimer()
471 * Initially, winproc of the window points to the current winproc
472 * thunk of its class. Subclassing prepends a new thunk to the
473 * window winproc chain at the head of the list. Thus, window thunk
474 * list includes class thunks and the latter are preserved when the
475 * window is destroyed.
478 BOOL WINPROC_SetProc( WNDPROC *pFirst, WNDPROC func,
479 WINDOWPROCTYPE type, WINDOWPROCUSER user )
481 BOOL bRecycle = FALSE;
482 WINDOWPROC *proc, **ppPrev;
484 /* Check if function is already in the list */
486 ppPrev = (WINDOWPROC **)pFirst;
487 proc = WINPROC_GetPtr( func );
494 if ((*ppPrev)->user != user)
496 /* terminal thunk is being restored */
498 WINPROC_FreeProc( *pFirst, (*ppPrev)->user );
499 *(WINDOWPROC **)pFirst = *ppPrev;
508 if (((*ppPrev)->type == type) &&
509 (func == (WNDPROC)WINPROC_THUNKPROC(*ppPrev)))
511 if((*ppPrev)->user == user)
517 WINPROC_FreeProc( (WNDPROC)*ppPrev, user );
524 /* WPF_CLASS thunk terminates window thunk list */
525 if ((*ppPrev)->user != user) break;
526 ppPrev = &(*ppPrev)->next;
531 /* Extract this thunk from the list */
533 *ppPrev = proc->next;
535 else /* Allocate a new one */
537 if (proc) /* Was already a win proc */
540 func = (WNDPROC)WINPROC_THUNKPROC(proc);
542 proc = WINPROC_AllocWinProc( func, type, user );
543 if (!proc) return FALSE;
546 /* Add the win proc at the head of the list */
548 TRACE("(%p,%p,%d): res=%p\n", *pFirst, func, type, proc );
549 proc->next = *(WINDOWPROC **)pFirst;
550 *(WINDOWPROC **)pFirst = proc;
555 /**********************************************************************
558 * Free a list of win procs.
560 void WINPROC_FreeProc( WNDPROC proc, WINDOWPROCUSER user )
562 WINDOWPROC *ptr = (WINDOWPROC *)proc;
565 WINDOWPROC *next = ptr->next;
566 if (ptr->user != user) break;
567 TRACE("freeing %p (%d)\n", ptr, user);
574 /**********************************************************************
575 * WINPROC_GetProcType
577 * Return the window procedure type.
579 WINDOWPROCTYPE WINPROC_GetProcType( WNDPROC proc )
582 (((WINDOWPROC *)proc)->magic != WINPROC_MAGIC))
583 return WIN_PROC_INVALID;
584 return ((WINDOWPROC *)proc)->type;
586 /**********************************************************************
587 * WINPROC_TestCBForStr
589 * Return TRUE if the lparam is a string
591 inline static BOOL WINPROC_TestCBForStr( HWND hwnd )
593 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
594 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
596 /**********************************************************************
597 * WINPROC_TestLBForStr
599 * Return TRUE if the lparam is a string
601 inline static BOOL WINPROC_TestLBForStr( HWND hwnd )
603 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
604 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
607 /**********************************************************************
608 * WINPROC_MapMsg32ATo32W
610 * Map a message from Ansi to Unicode.
611 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
614 * WM_GETTEXT/WM_SETTEXT and static control with SS_ICON style:
615 * the first four bytes are the handle of the icon
616 * when the WM_SETTEXT message has been used to set the icon
618 INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
623 case WM_ASKCBFORMATNAME:
625 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
626 *pwparam * sizeof(WCHAR) + sizeof(LPARAM) );
628 *ptr++ = *plparam; /* Store previous lParam */
629 *plparam = (LPARAM)ptr;
632 /* lparam is string (0-terminated) */
634 case WM_WININICHANGE:
635 case WM_DEVMODECHANGE:
641 DWORD len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, NULL, 0);
642 WCHAR *buf = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
643 len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, buf, len);
644 *plparam = (LPARAM)buf;
645 return (*plparam ? 1 : -1);
647 case WM_GETTEXTLENGTH:
648 case CB_GETLBTEXTLEN:
650 return 1; /* need to map result */
654 UNICODE_STRING usBuffer;
656 { CREATESTRUCTW cs; /* new structure */
657 LPCWSTR lpszName; /* allocated Name */
658 LPCWSTR lpszClass; /* allocated Class */
661 struct s *xs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct s));
663 xs->cs = *(CREATESTRUCTW *)*plparam;
664 if (HIWORD(xs->cs.lpszName))
666 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)xs->cs.lpszName);
667 xs->lpszName = xs->cs.lpszName = usBuffer.Buffer;
669 if (HIWORD(xs->cs.lpszClass))
671 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)xs->cs.lpszClass);
672 xs->lpszClass = xs->cs.lpszClass = usBuffer.Buffer;
675 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
677 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)HeapAlloc(GetProcessHeap(), 0,
679 *mdi_cs = *(MDICREATESTRUCTW *)xs->cs.lpCreateParams;
680 if (HIWORD(mdi_cs->szTitle))
682 RtlCreateUnicodeStringFromAsciiz(&usBuffer, (LPCSTR)mdi_cs->szTitle);
683 mdi_cs->szTitle = usBuffer.Buffer;
685 if (HIWORD(mdi_cs->szClass))
687 RtlCreateUnicodeStringFromAsciiz(&usBuffer, (LPCSTR)mdi_cs->szClass);
688 mdi_cs->szClass = usBuffer.Buffer;
690 xs->cs.lpCreateParams = mdi_cs;
693 *plparam = (LPARAM)xs;
698 MDICREATESTRUCTW *cs =
699 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
701 *cs = *(MDICREATESTRUCTW *)*plparam;
702 if (HIWORD(cs->szClass))
704 UNICODE_STRING usBuffer;
705 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)cs->szClass);
706 cs->szClass = usBuffer.Buffer;
708 if (HIWORD(cs->szTitle))
710 UNICODE_STRING usBuffer;
711 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)cs->szTitle);
712 cs->szTitle = usBuffer.Buffer;
714 *plparam = (LPARAM)cs;
720 case LB_INSERTSTRING:
722 case LB_FINDSTRINGEXACT:
723 case LB_SELECTSTRING:
724 if(!*plparam) return 0;
725 if ( WINPROC_TestLBForStr( hwnd ))
727 UNICODE_STRING usBuffer;
728 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)*plparam);
729 *plparam = (LPARAM)usBuffer.Buffer;
731 return (*plparam ? 1 : -1);
733 case LB_GETTEXT: /* FIXME: fixed sized buffer */
734 { if ( WINPROC_TestLBForStr( hwnd ))
735 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
737 *ptr++ = *plparam; /* Store previous lParam */
738 *plparam = (LPARAM)ptr;
745 case CB_INSERTSTRING:
746 case CB_FINDSTRINGEXACT:
748 case CB_SELECTSTRING:
749 if(!*plparam) return 0;
750 if ( WINPROC_TestCBForStr( hwnd ))
752 UNICODE_STRING usBuffer;
753 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)*plparam);
754 *plparam = (LPARAM)usBuffer.Buffer;
756 return (*plparam ? 1 : -1);
758 case CB_GETLBTEXT: /* FIXME: fixed sized buffer */
759 { if ( WINPROC_TestCBForStr( hwnd ))
760 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
762 *ptr++ = *plparam; /* Store previous lParam */
763 *plparam = (LPARAM)ptr;
770 { WORD len = (WORD)*plparam;
771 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(WCHAR) );
773 *ptr++ = *plparam; /* Store previous lParam */
774 *((WORD *) ptr) = len; /* Store the length */
775 *plparam = (LPARAM)ptr;
785 case EM_SETPASSWORDCHAR:
787 BYTE ch = LOWORD(*pwparam);
789 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
790 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
798 ch[0] = (*pwparam >> 8);
799 ch[1] = *pwparam & 0xff;
801 MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
803 MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
804 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
808 case WM_PAINTCLIPBOARD:
809 case WM_SIZECLIPBOARD:
810 FIXME_(msg)("message %s (0x%x) needs translation, please report\n", SPY_GetMsgName(msg, hwnd), msg );
812 default: /* No translation needed */
818 /**********************************************************************
819 * WINPROC_UnmapMsg32ATo32W
821 * Unmap a message that was mapped from Ansi to Unicode.
823 LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
829 case WM_ASKCBFORMATNAME:
831 LPARAM *ptr = (LPARAM *)lParam - 1;
832 if (wParam > 0 && !WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
833 (LPSTR)*ptr, wParam, NULL, NULL ))
834 ((LPSTR)*ptr)[wParam-1] = 0;
835 HeapFree( GetProcessHeap(), 0, ptr );
838 case WM_GETTEXTLENGTH:
839 case CB_GETLBTEXTLEN:
841 /* there may be one DBCS char for each Unicode char */
847 { CREATESTRUCTW cs; /* new structure */
848 LPWSTR lpszName; /* allocated Name */
849 LPWSTR lpszClass; /* allocated Class */
851 struct s *xs = (struct s *)lParam;
852 if (xs->lpszName) HeapFree( GetProcessHeap(), 0, xs->lpszName );
853 if (xs->lpszClass) HeapFree( GetProcessHeap(), 0, xs->lpszClass );
855 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
857 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)xs->cs.lpCreateParams;
858 if (HIWORD(mdi_cs->szTitle))
859 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szTitle);
860 if (HIWORD(mdi_cs->szClass))
861 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szClass);
862 HeapFree(GetProcessHeap(), 0, mdi_cs);
864 HeapFree( GetProcessHeap(), 0, xs );
870 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
871 if (HIWORD(cs->szTitle))
872 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
873 if (HIWORD(cs->szClass))
874 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
875 HeapFree( GetProcessHeap(), 0, cs );
880 case WM_WININICHANGE:
881 case WM_DEVMODECHANGE:
886 HeapFree( GetProcessHeap(), 0, (void *)lParam );
891 case LB_INSERTSTRING:
893 case LB_FINDSTRINGEXACT:
894 case LB_SELECTSTRING:
895 if ( WINPROC_TestLBForStr( hwnd ))
896 HeapFree( GetProcessHeap(), 0, (void *)lParam );
900 { if ( WINPROC_TestLBForStr( hwnd ))
901 { LPARAM *ptr = (LPARAM *)lParam - 1;
902 WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, (LPSTR)*ptr, 0x7fffffff, NULL, NULL );
903 HeapFree( GetProcessHeap(), 0, ptr );
910 case CB_INSERTSTRING:
912 case CB_FINDSTRINGEXACT:
913 case CB_SELECTSTRING:
914 if ( WINPROC_TestCBForStr( hwnd ))
915 HeapFree( GetProcessHeap(), 0, (void *)lParam );
919 { if ( WINPROC_TestCBForStr( hwnd ))
920 { LPARAM *ptr = (LPARAM *)lParam - 1;
921 WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, (LPSTR)*ptr, 0x7fffffff, NULL, NULL );
922 HeapFree( GetProcessHeap(), 0, ptr );
929 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lParam */
930 WORD len = *(WORD *) lParam;
931 if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
932 (LPSTR)*ptr, len, NULL, NULL ))
933 ((LPSTR)*ptr)[len-1] = 0;
934 HeapFree( GetProcessHeap(), 0, ptr );
942 /**********************************************************************
943 * WINPROC_MapMsg32WTo32A
945 * Map a message from Unicode to Ansi.
946 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
948 INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
953 case WM_ASKCBFORMATNAME:
955 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
956 *pwparam + sizeof(LPARAM) );
958 *ptr++ = *plparam; /* Store previous lParam */
959 *plparam = (LPARAM)ptr;
964 case WM_WININICHANGE:
965 case WM_DEVMODECHANGE:
970 if(!*plparam) return 0;
971 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
972 return (*plparam ? 1 : -1);
977 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
980 *cs = *(CREATESTRUCTA *)*plparam;
981 if (HIWORD(cs->lpszName))
982 cs->lpszName = HEAP_strdupWtoA( GetProcessHeap(), 0,
983 (LPCWSTR)cs->lpszName );
984 if (HIWORD(cs->lpszClass))
985 cs->lpszClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
986 (LPCWSTR)cs->lpszClass);
988 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
990 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)HeapAlloc(GetProcessHeap(), 0,
994 HeapFree(GetProcessHeap(), 0, cs);
997 *mdi_cs = *(MDICREATESTRUCTA *)cs->lpCreateParams;
998 if (HIWORD(mdi_cs->szTitle))
999 mdi_cs->szTitle = HEAP_strdupWtoA(GetProcessHeap(), 0,
1000 (LPCWSTR)mdi_cs->szTitle);
1001 if (HIWORD(mdi_cs->szClass))
1002 mdi_cs->szClass = HEAP_strdupWtoA(GetProcessHeap(), 0,
1003 (LPCWSTR)mdi_cs->szClass);
1004 cs->lpCreateParams = (LPVOID)mdi_cs;
1006 *plparam = (LPARAM)cs;
1011 MDICREATESTRUCTA *cs =
1012 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
1014 *cs = *(MDICREATESTRUCTA *)*plparam;
1015 if (HIWORD(cs->szTitle))
1016 cs->szTitle = HEAP_strdupWtoA( GetProcessHeap(), 0,
1017 (LPCWSTR)cs->szTitle );
1018 if (HIWORD(cs->szClass))
1019 cs->szClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
1020 (LPCWSTR)cs->szClass );
1021 *plparam = (LPARAM)cs;
1027 case LB_INSERTSTRING:
1029 case LB_FINDSTRINGEXACT:
1030 case LB_SELECTSTRING:
1031 if(!*plparam) return 0;
1032 if ( WINPROC_TestLBForStr( hwnd ))
1033 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1034 return (*plparam ? 1 : -1);
1036 case LB_GETTEXT: /* FIXME: fixed sized buffer */
1037 { if ( WINPROC_TestLBForStr( hwnd ))
1038 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
1039 if (!ptr) return -1;
1040 *ptr++ = *plparam; /* Store previous lParam */
1041 *plparam = (LPARAM)ptr;
1048 case CB_INSERTSTRING:
1050 case CB_FINDSTRINGEXACT:
1051 case CB_SELECTSTRING:
1052 if(!*plparam) return 0;
1053 if ( WINPROC_TestCBForStr( hwnd ))
1054 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1055 return (*plparam ? 1 : -1);
1057 case CB_GETLBTEXT: /* FIXME: fixed sized buffer */
1058 { if ( WINPROC_TestCBForStr( hwnd ))
1059 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
1060 if (!ptr) return -1;
1061 *ptr++ = *plparam; /* Store previous lParam */
1062 *plparam = (LPARAM)ptr;
1067 /* Multiline edit */
1069 { WORD len = (WORD)*plparam;
1070 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
1071 if (!ptr) return -1;
1072 *ptr++ = *plparam; /* Store previous lParam */
1073 *((WORD *) ptr) = len; /* Store the length */
1074 *plparam = (LPARAM)ptr;
1083 case WM_SYSDEADCHAR:
1084 case EM_SETPASSWORDCHAR:
1086 WCHAR wch = LOWORD(*pwparam);
1088 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
1089 *pwparam = MAKEWPARAM( ch, HIWORD(*pwparam) );
1095 WCHAR wch = LOWORD(*pwparam);
1098 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL ) == 2)
1099 *pwparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(*pwparam) );
1101 *pwparam = MAKEWPARAM( ch[0], HIWORD(*pwparam) );
1105 case WM_PAINTCLIPBOARD:
1106 case WM_SIZECLIPBOARD:
1107 FIXME_(msg)("message %s (%04x) needs translation, please report\n",SPY_GetMsgName(msg, hwnd),msg );
1109 default: /* No translation needed */
1115 /**********************************************************************
1116 * WINPROC_UnmapMsg32WTo32A
1118 * Unmap a message that was mapped from Unicode to Ansi.
1120 void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
1125 case WM_ASKCBFORMATNAME:
1127 LPARAM *ptr = (LPARAM *)lParam - 1;
1130 if (!MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, wParam ))
1131 ((LPWSTR)*ptr)[wParam-1] = 0;
1133 HeapFree( GetProcessHeap(), 0, ptr );
1138 case WM_WININICHANGE:
1139 case WM_DEVMODECHANGE:
1144 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1150 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1151 if (HIWORD(cs->lpszName))
1152 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
1153 if (HIWORD(cs->lpszClass))
1154 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
1155 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1157 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)cs->lpCreateParams;
1158 if (HIWORD(mdi_cs->szTitle))
1159 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szTitle);
1160 if (HIWORD(mdi_cs->szClass))
1161 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szClass);
1162 HeapFree(GetProcessHeap(), 0, mdi_cs);
1164 HeapFree( GetProcessHeap(), 0, cs );
1170 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1171 if (HIWORD(cs->szTitle))
1172 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1173 if (HIWORD(cs->szClass))
1174 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1175 HeapFree( GetProcessHeap(), 0, cs );
1181 case LB_INSERTSTRING:
1183 case LB_FINDSTRINGEXACT:
1184 case LB_SELECTSTRING:
1185 if ( WINPROC_TestLBForStr( hwnd ))
1186 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1190 if ( WINPROC_TestLBForStr( hwnd ))
1192 LPARAM *ptr = (LPARAM *)lParam - 1;
1193 MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff );
1194 HeapFree( GetProcessHeap(), 0, ptr );
1200 case CB_INSERTSTRING:
1202 case CB_FINDSTRINGEXACT:
1203 case CB_SELECTSTRING:
1204 if ( WINPROC_TestCBForStr( hwnd ))
1205 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1209 if ( WINPROC_TestCBForStr( hwnd ))
1211 LPARAM *ptr = (LPARAM *)lParam - 1;
1212 MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff );
1213 HeapFree( GetProcessHeap(), 0, ptr );
1217 /* Multiline edit */
1219 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
1220 WORD len = *(WORD *)ptr;
1223 if (!MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, len ))
1224 ((LPWSTR)*ptr)[len-1] = 0;
1226 HeapFree( GetProcessHeap(), 0, ptr );
1232 static UINT convert_handle_16_to_32(HANDLE16 src, unsigned int flags)
1235 UINT sz = GlobalSize16(src);
1238 if (!(dst = GlobalAlloc(flags, sz)))
1240 ptr16 = GlobalLock16(src);
1241 ptr32 = GlobalLock(dst);
1242 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr32, ptr16, sz);
1243 GlobalUnlock16(src);
1249 /**********************************************************************
1250 * WINPROC_MapMsg16To32A
1252 * Map a message from 16- to 32-bit Ansi.
1253 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1255 INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1256 WPARAM *pwparam32, LPARAM *plparam )
1258 *pmsg32 = (UINT)msg16;
1259 *pwparam32 = (WPARAM)wParam16;
1266 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1267 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1271 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1272 *plparam = (LPARAM)WIN_Handle32( HIWORD(*plparam) );
1275 if ( HIWORD(*plparam) > CTLCOLOR_STATIC ) return -1;
1276 *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam);
1277 *pwparam32 = (WPARAM)HDC_32(wParam16);
1278 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1280 case WM_COMPAREITEM:
1282 COMPAREITEMSTRUCT16* cis16 = MapSL(*plparam);
1283 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)
1284 HeapAlloc(GetProcessHeap(), 0, sizeof(*cis));
1285 if (!cis) return -1;
1286 cis->CtlType = cis16->CtlType;
1287 cis->CtlID = cis16->CtlID;
1288 cis->hwndItem = WIN_Handle32( cis16->hwndItem );
1289 cis->itemID1 = cis16->itemID1;
1290 cis->itemData1 = cis16->itemData1;
1291 cis->itemID2 = cis16->itemID2;
1292 cis->itemData2 = cis16->itemData2;
1293 cis->dwLocaleId = 0; /* FIXME */
1294 *plparam = (LPARAM)cis;
1299 DELETEITEMSTRUCT16* dis16 = MapSL(*plparam);
1300 DELETEITEMSTRUCT *dis = (DELETEITEMSTRUCT *)
1301 HeapAlloc(GetProcessHeap(), 0, sizeof(*dis));
1302 if (!dis) return -1;
1303 dis->CtlType = dis16->CtlType;
1304 dis->CtlID = dis16->CtlID;
1305 dis->hwndItem = WIN_Handle32( dis16->hwndItem );
1306 dis->itemData = dis16->itemData;
1307 *plparam = (LPARAM)dis;
1310 case WM_MEASUREITEM:
1312 MEASUREITEMSTRUCT16* mis16 = MapSL(*plparam);
1313 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)
1314 HeapAlloc(GetProcessHeap(), 0,
1315 sizeof(*mis) + sizeof(LPARAM));
1316 if (!mis) return -1;
1317 mis->CtlType = mis16->CtlType;
1318 mis->CtlID = mis16->CtlID;
1319 mis->itemID = mis16->itemID;
1320 mis->itemWidth = mis16->itemWidth;
1321 mis->itemHeight = mis16->itemHeight;
1322 mis->itemData = mis16->itemData;
1323 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1324 *plparam = (LPARAM)mis;
1329 DRAWITEMSTRUCT16* dis16 = MapSL(*plparam);
1330 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT*)HeapAlloc(GetProcessHeap(), 0,
1332 if (!dis) return -1;
1333 dis->CtlType = dis16->CtlType;
1334 dis->CtlID = dis16->CtlID;
1335 dis->itemID = dis16->itemID;
1336 dis->itemAction = dis16->itemAction;
1337 dis->itemState = dis16->itemState;
1338 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND)HMENU_32(dis16->hwndItem)
1339 : WIN_Handle32( dis16->hwndItem );
1340 dis->hDC = HDC_32(dis16->hDC);
1341 dis->itemData = dis16->itemData;
1342 CONV_RECT16TO32( &dis16->rcItem, &dis->rcItem );
1343 *plparam = (LPARAM)dis;
1346 case WM_GETMINMAXINFO:
1348 MINMAXINFO *mmi = (MINMAXINFO *)HeapAlloc( GetProcessHeap(), 0,
1349 sizeof(*mmi) + sizeof(LPARAM));
1350 if (!mmi) return -1;
1351 STRUCT32_MINMAXINFO16to32( MapSL(*plparam), mmi );
1352 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1353 *plparam = (LPARAM)mmi;
1358 case WM_WININICHANGE:
1359 case WM_DEVMODECHANGE:
1360 case WM_ASKCBFORMATNAME:
1361 *plparam = (LPARAM)MapSL(*plparam);
1365 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1366 MDICREATESTRUCTA *cs = HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) + sizeof(LPARAM) );
1368 STRUCT32_MDICREATESTRUCT16to32A( cs16, cs );
1369 cs->szTitle = MapSL(cs16->szTitle);
1370 cs->szClass = MapSL(cs16->szClass);
1371 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1372 *plparam = (LPARAM)cs;
1375 case WM_MDIGETACTIVE:
1376 *plparam = (LPARAM)HeapAlloc( GetProcessHeap(), 0, sizeof(BOOL) );
1377 *(BOOL*)(*plparam) = 0;
1381 *pmsg32=WM_MDIREFRESHMENU;
1382 *pwparam32 = (WPARAM)HMENU_32(LOWORD(*plparam));
1383 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1386 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1387 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1390 if((LOWORD(*plparam) & MF_POPUP) && (LOWORD(*plparam) != 0xFFFF))
1392 HMENU hmenu=HMENU_32(HIWORD(*plparam));
1393 UINT Pos=MENU_FindSubMenu( &hmenu, HMENU_32(wParam16));
1394 if(Pos==0xFFFF) Pos=0; /* NO_SELECTED_ITEM */
1395 *pwparam32 = MAKEWPARAM( Pos, LOWORD(*plparam) );
1397 else *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1398 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1400 case WM_MDIACTIVATE:
1403 *pwparam32 = (WPARAM)WIN_Handle32( HIWORD(*plparam) );
1404 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1406 else /* message sent to MDI client */
1407 *pwparam32 = wParam16;
1411 NCCALCSIZE_PARAMS16 *nc16;
1412 NCCALCSIZE_PARAMS *nc;
1414 nc = (NCCALCSIZE_PARAMS *)HeapAlloc( GetProcessHeap(), 0,
1415 sizeof(*nc) + sizeof(LPARAM) );
1417 nc16 = MapSL(*plparam);
1418 CONV_RECT16TO32( &nc16->rgrc[0], &nc->rgrc[0] );
1421 nc->lppos = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1422 sizeof(*nc->lppos) );
1423 CONV_RECT16TO32( &nc16->rgrc[1], &nc->rgrc[1] );
1424 CONV_RECT16TO32( &nc16->rgrc[2], &nc->rgrc[2] );
1425 if (nc->lppos) STRUCT32_WINDOWPOS16to32( MapSL(nc16->lppos), nc->lppos );
1427 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1428 *plparam = (LPARAM)nc;
1434 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1435 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1436 sizeof(*cs) + sizeof(LPARAM) );
1438 STRUCT32_CREATESTRUCT16to32A( cs16, cs );
1439 cs->lpszName = MapSL(cs16->lpszName);
1440 cs->lpszClass = MapSL(cs16->lpszClass);
1441 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1442 *plparam = (LPARAM)cs;
1445 case WM_PARENTNOTIFY:
1446 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1448 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1449 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1452 case WM_WINDOWPOSCHANGING:
1453 case WM_WINDOWPOSCHANGED:
1455 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1456 sizeof(*wp) + sizeof(LPARAM) );
1458 STRUCT32_WINDOWPOS16to32( MapSL(*plparam), wp );
1459 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1460 *plparam = (LPARAM)wp;
1466 LPMSG16 msg16 = MapSL(*plparam);
1467 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1469 if (!msg32) return -1;
1470 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1471 msg32->lParam = msg16->lParam;
1472 msg32->time = msg16->time;
1473 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1474 /* this is right, right? */
1475 if (WINPROC_MapMsg16To32A( msg32->hwnd, msg16->message,msg16->wParam,
1476 &msg32->message,&msg32->wParam,
1477 &msg32->lParam)<0) {
1478 HeapFree( GetProcessHeap(), 0, msg32 );
1481 *plparam = (LPARAM)msg32;
1486 *plparam = (LPARAM)MapSL(*plparam);
1488 case WM_ACTIVATEAPP:
1489 /* We need this when SetActiveWindow sends a Sendmessage16() to
1490 * a 32bit window. Might be superflous with 32bit interprocess
1491 * message queues. */
1492 if (*plparam) *plparam = HTASK_32( *plparam );
1496 MDINEXTMENU *next = HeapAlloc( GetProcessHeap(), 0, sizeof(*next) );
1497 if (!next) return -1;
1498 next->hmenuIn = (HMENU)*plparam;
1499 next->hmenuNext = 0;
1501 *plparam = (LPARAM)next;
1504 case WM_PAINTCLIPBOARD:
1505 case WM_SIZECLIPBOARD:
1506 FIXME_(msg)("message %04x needs translation\n",msg16 );
1508 case WM_DDE_INITIATE:
1509 case WM_DDE_TERMINATE:
1510 case WM_DDE_UNADVISE:
1511 case WM_DDE_REQUEST:
1512 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1522 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1523 lo16 = LOWORD(*plparam);
1524 hi = HIWORD(*plparam);
1525 if (lo16 && !(lo32 = convert_handle_16_to_32(lo16, GMEM_DDESHARE)))
1527 *plparam = PackDDElParam(msg16, lo32, hi);
1529 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1536 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1538 lo = LOWORD(*plparam);
1539 hi = HIWORD(*plparam);
1541 if (GlobalGetAtomNameA(hi, buf, 2) > 0) flag |= 1;
1542 if (GlobalSize16(hi) != 0) flag |= 2;
1548 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
1553 break; /* atom, nothing to do */
1555 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
1558 hi = convert_handle_16_to_32(hi, GMEM_DDESHARE);
1561 *plparam = PackDDElParam(WM_DDE_ACK, lo, hi);
1563 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1564 case WM_DDE_EXECUTE:
1565 *plparam = convert_handle_16_to_32(*plparam, GMEM_DDESHARE);
1566 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1567 default: /* No translation needed */
1573 /**********************************************************************
1574 * WINPROC_UnmapMsg16To32A
1576 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1578 LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1583 case WM_COMPAREITEM:
1586 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1588 case WM_MEASUREITEM:
1590 MEASUREITEMSTRUCT16 *mis16;
1591 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1592 lParam = *(LPARAM *)(mis + 1);
1593 mis16 = MapSL(lParam);
1594 mis16->itemWidth = (UINT16)mis->itemWidth;
1595 mis16->itemHeight = (UINT16)mis->itemHeight;
1596 HeapFree( GetProcessHeap(), 0, mis );
1599 case WM_GETMINMAXINFO:
1601 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1602 lParam = *(LPARAM *)(mmi + 1);
1603 STRUCT32_MINMAXINFO32to16( mmi, MapSL(lParam));
1604 HeapFree( GetProcessHeap(), 0, mmi );
1609 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1610 lParam = *(LPARAM *)(cs + 1);
1611 STRUCT32_MDICREATESTRUCT32Ato16( cs, MapSL(lParam) );
1612 HeapFree( GetProcessHeap(), 0, cs );
1615 case WM_MDIGETACTIVE:
1616 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1617 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1621 NCCALCSIZE_PARAMS16 *nc16;
1622 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1623 lParam = *(LPARAM *)(nc + 1);
1624 nc16 = MapSL(lParam);
1625 CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] );
1628 CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] );
1629 CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] );
1632 STRUCT32_WINDOWPOS32to16( nc->lppos, MapSL(nc16->lppos));
1633 HeapFree( GetProcessHeap(), 0, nc->lppos );
1636 HeapFree( GetProcessHeap(), 0, nc );
1642 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1643 lParam = *(LPARAM *)(cs + 1);
1644 STRUCT32_CREATESTRUCT32Ato16( cs, MapSL(lParam) );
1645 HeapFree( GetProcessHeap(), 0, cs );
1648 case WM_WINDOWPOSCHANGING:
1649 case WM_WINDOWPOSCHANGED:
1651 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1652 lParam = *(LPARAM *)(wp + 1);
1653 STRUCT32_WINDOWPOS32to16(wp, MapSL(lParam));
1654 HeapFree( GetProcessHeap(), 0, wp );
1660 LPMSG msg32 = (LPMSG)lParam;
1662 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1664 HeapFree( GetProcessHeap(), 0, msg32 );
1669 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
1670 result = MAKELONG( HMENU_16(next->hmenuNext), HWND_16(next->hwndNext) );
1671 HeapFree( GetProcessHeap(), 0, next );
1679 /**********************************************************************
1680 * WINPROC_MapMsg16To32W
1682 * Map a message from 16- to 32-bit Unicode.
1683 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1685 INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1686 WPARAM *pwparam32, LPARAM *plparam )
1691 *pmsg32=(UINT)msg16;
1692 *pwparam32 = (WPARAM)wParam16;
1697 case WM_WININICHANGE:
1698 case WM_DEVMODECHANGE:
1699 case WM_ASKCBFORMATNAME:
1700 *plparam = (LPARAM)MapSL(*plparam);
1701 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1702 case WM_GETTEXTLENGTH:
1703 case CB_GETLBTEXTLEN:
1705 return 1; /* need to map result */
1709 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1710 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1711 sizeof(*cs) + sizeof(LPARAM) );
1713 STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1714 cs->lpszName = map_str_16_to_32W(cs16->lpszName);
1715 cs->lpszClass = map_str_16_to_32W(cs16->lpszClass);
1716 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1717 *plparam = (LPARAM)cs;
1722 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1723 MDICREATESTRUCTW *cs =
1724 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1725 sizeof(*cs) + sizeof(LPARAM) );
1727 STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1728 cs->szTitle = map_str_16_to_32W(cs16->szTitle);
1729 cs->szClass = map_str_16_to_32W(cs16->szClass);
1730 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1731 *plparam = (LPARAM)cs;
1737 LPMSG16 msg16 = MapSL(*plparam);
1738 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1740 if (!msg32) return -1;
1741 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1742 msg32->lParam = msg16->lParam;
1743 msg32->time = msg16->time;
1744 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1745 /* this is right, right? */
1746 if (WINPROC_MapMsg16To32W(hwnd, msg16->message,msg16->wParam,
1747 &msg32->message,&msg32->wParam,
1748 &msg32->lParam)<0) {
1749 HeapFree( GetProcessHeap(), 0, msg32 );
1752 *plparam = (LPARAM)msg32;
1759 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1760 *pwparam32 = MAKEWPARAM( wch, HIWORD(*plparam) );
1761 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1765 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1766 *pwparam32 = MAKEWPARAM( wch, LOWORD(*plparam) );
1767 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1772 case WM_SYSDEADCHAR:
1774 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1780 ch[0] = (wParam16 >> 8);
1781 ch[1] = wParam16 & 0xff;
1782 MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
1787 default: /* No Unicode translation needed */
1788 return WINPROC_MapMsg16To32A( hwnd, msg16, wParam16, pmsg32,
1789 pwparam32, plparam );
1794 /**********************************************************************
1795 * WINPROC_UnmapMsg16To32W
1797 * Unmap a message that was mapped from 16- to 32-bit Unicode.
1799 LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1806 case WM_GETTEXTLENGTH:
1807 case CB_GETLBTEXTLEN:
1809 case WM_ASKCBFORMATNAME:
1810 return WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
1814 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
1815 lParam = *(LPARAM *)(cs + 1);
1816 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs, MapSL(lParam) );
1817 unmap_str_16_to_32W( cs->lpszName );
1818 unmap_str_16_to_32W( cs->lpszClass );
1819 HeapFree( GetProcessHeap(), 0, cs );
1824 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
1825 lParam = *(LPARAM *)(cs + 1);
1826 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs, MapSL(lParam) );
1827 unmap_str_16_to_32W( cs->szTitle );
1828 unmap_str_16_to_32W( cs->szClass );
1829 HeapFree( GetProcessHeap(), 0, cs );
1835 LPMSG msg32 = (LPMSG)lParam;
1837 WINPROC_UnmapMsg16To32W( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1839 HeapFree( GetProcessHeap(), 0, msg32 );
1843 return WINPROC_UnmapMsg16To32A( hwnd, msg, wParam, lParam, result );
1848 static HANDLE16 convert_handle_32_to_16(UINT src, unsigned int flags)
1851 UINT sz = GlobalSize((HANDLE)src);
1854 if (!(dst = GlobalAlloc16(flags, sz)))
1856 ptr32 = GlobalLock((HANDLE)src);
1857 ptr16 = GlobalLock16(dst);
1858 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr16, ptr32, sz);
1859 GlobalUnlock((HANDLE)src);
1860 GlobalUnlock16(dst);
1866 /**********************************************************************
1867 * WINPROC_MapMsg32ATo16
1869 * Map a message from 32-bit Ansi to 16-bit.
1870 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1872 INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
1873 UINT16 *pmsg16, WPARAM16 *pwparam16,
1876 *pmsg16 = (UINT16)msg32;
1877 *pwparam16 = (WPARAM16)LOWORD(wParam32);
1885 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1894 case EM_SCROLLCARET:
1897 case EM_GETLINECOUNT:
1909 case EM_LINEFROMCHAR:
1910 case EM_SETTABSTOPS:
1911 case EM_SETPASSWORDCHAR:
1912 case EM_EMPTYUNDOBUFFER:
1913 case EM_GETFIRSTVISIBLELINE:
1914 case EM_SETREADONLY:
1915 case EM_SETWORDBREAKPROC:
1916 case EM_GETWORDBREAKPROC:
1917 case EM_GETPASSWORDCHAR:
1918 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1923 case LB_DELETESTRING:
1924 case LB_GETANCHORINDEX:
1925 case LB_GETCARETINDEX:
1928 case LB_GETHORIZONTALEXTENT:
1929 case LB_GETITEMDATA:
1930 case LB_GETITEMHEIGHT:
1932 case LB_GETSELCOUNT:
1934 case LB_GETTOPINDEX:
1935 case LB_RESETCONTENT:
1936 case LB_SELITEMRANGE:
1937 case LB_SELITEMRANGEEX:
1938 case LB_SETANCHORINDEX:
1939 case LB_SETCARETINDEX:
1940 case LB_SETCOLUMNWIDTH:
1942 case LB_SETHORIZONTALEXTENT:
1943 case LB_SETITEMDATA:
1944 case LB_SETITEMHEIGHT:
1946 case LB_SETTOPINDEX:
1947 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1949 case CB_DELETESTRING:
1951 case CB_GETLBTEXTLEN:
1953 case CB_RESETCONTENT:
1957 case CB_SHOWDROPDOWN:
1958 case CB_SETITEMDATA:
1959 case CB_SETITEMHEIGHT:
1960 case CB_GETITEMHEIGHT:
1961 case CB_SETEXTENDEDUI:
1962 case CB_GETEXTENDEDUI:
1963 case CB_GETDROPPEDSTATE:
1964 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1967 *pmsg16 = CB_GETEDITSEL16;
1972 case LB_FINDSTRINGEXACT:
1973 case LB_INSERTSTRING:
1974 case LB_SELECTSTRING:
1977 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
1978 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1983 case CB_FINDSTRINGEXACT:
1984 case CB_INSERTSTRING:
1985 case CB_SELECTSTRING:
1987 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
1988 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1991 case LB_GETITEMRECT:
1993 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
1994 if (!rect) return -1;
1995 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1996 *plparam = MapLS( rect );
1998 *pmsg16 = LB_GETITEMRECT16;
2000 case LB_GETSELITEMS:
2003 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2004 if (!(items = HeapAlloc( GetProcessHeap(), 0,
2005 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2006 *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */
2007 *plparam = MapLS( items );
2009 *pmsg16 = LB_GETSELITEMS16;
2011 case LB_SETTABSTOPS:
2016 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2017 if (!(stops = HeapAlloc( GetProcessHeap(), 0,
2018 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2019 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
2020 *plparam = MapLS( stops );
2023 *pmsg16 = LB_SETTABSTOPS16;
2026 case CB_GETDROPPEDCONTROLRECT:
2028 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2029 if (!rect) return -1;
2030 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2031 *plparam = (LPARAM)MapLS(rect);
2033 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
2037 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2038 *pmsg16 = LB_GETTEXT16;
2042 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2043 *pmsg16 = CB_GETLBTEXT16;
2048 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
2049 *pmsg16 = EM_SETSEL16;
2056 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2060 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
2062 case WM_CTLCOLORMSGBOX:
2063 case WM_CTLCOLOREDIT:
2064 case WM_CTLCOLORLISTBOX:
2065 case WM_CTLCOLORBTN:
2066 case WM_CTLCOLORDLG:
2067 case WM_CTLCOLORSCROLLBAR:
2068 case WM_CTLCOLORSTATIC:
2069 *pmsg16 = WM_CTLCOLOR;
2070 *plparam = MAKELPARAM( (HWND16)*plparam,
2071 (WORD)msg32 - WM_CTLCOLORMSGBOX );
2073 case WM_COMPAREITEM:
2075 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
2076 COMPAREITEMSTRUCT16 *cis = HeapAlloc( GetProcessHeap(), 0, sizeof(COMPAREITEMSTRUCT16));
2077 if (!cis) return -1;
2078 cis->CtlType = (UINT16)cis32->CtlType;
2079 cis->CtlID = (UINT16)cis32->CtlID;
2080 cis->hwndItem = HWND_16( cis32->hwndItem );
2081 cis->itemID1 = (UINT16)cis32->itemID1;
2082 cis->itemData1 = cis32->itemData1;
2083 cis->itemID2 = (UINT16)cis32->itemID2;
2084 cis->itemData2 = cis32->itemData2;
2085 *plparam = MapLS( cis );
2090 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
2091 DELETEITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DELETEITEMSTRUCT16) );
2092 if (!dis) return -1;
2093 dis->CtlType = (UINT16)dis32->CtlType;
2094 dis->CtlID = (UINT16)dis32->CtlID;
2095 dis->itemID = (UINT16)dis32->itemID;
2096 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
2097 : HWND_16( dis32->hwndItem );
2098 dis->itemData = dis32->itemData;
2099 *plparam = MapLS( dis );
2104 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
2105 DRAWITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DRAWITEMSTRUCT16) );
2106 if (!dis) return -1;
2107 dis->CtlType = (UINT16)dis32->CtlType;
2108 dis->CtlID = (UINT16)dis32->CtlID;
2109 dis->itemID = (UINT16)dis32->itemID;
2110 dis->itemAction = (UINT16)dis32->itemAction;
2111 dis->itemState = (UINT16)dis32->itemState;
2112 dis->hwndItem = HWND_16( dis32->hwndItem );
2113 dis->hDC = HDC_16(dis32->hDC);
2114 dis->itemData = dis32->itemData;
2115 CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem );
2116 *plparam = MapLS( dis );
2119 case WM_MEASUREITEM:
2121 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
2122 MEASUREITEMSTRUCT16 *mis = HeapAlloc( GetProcessHeap(), 0, sizeof(*mis)+sizeof(LPARAM));
2123 if (!mis) return -1;
2124 mis->CtlType = (UINT16)mis32->CtlType;
2125 mis->CtlID = (UINT16)mis32->CtlID;
2126 mis->itemID = (UINT16)mis32->itemID;
2127 mis->itemWidth = (UINT16)mis32->itemWidth;
2128 mis->itemHeight = (UINT16)mis32->itemHeight;
2129 mis->itemData = mis32->itemData;
2130 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
2131 *plparam = MapLS( mis );
2134 case WM_GETMINMAXINFO:
2136 MINMAXINFO16 *mmi = HeapAlloc( GetProcessHeap(), 0, sizeof(*mmi) + sizeof(LPARAM) );
2137 if (!mmi) return -1;
2138 STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
2139 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
2140 *plparam = MapLS( mmi );
2144 case WM_ASKCBFORMATNAME:
2147 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
2148 if (!(str = HeapAlloc( GetProcessHeap(), 0, *pwparam16 + sizeof(LPARAM)))) return -1;
2149 *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */
2150 *plparam = MapLS( str );
2155 MDICREATESTRUCT16 *cs;
2156 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
2158 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2159 STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs );
2160 cs->szTitle = MapLS( cs32->szTitle );
2161 cs->szClass = MapLS( cs32->szClass );
2162 *plparam = MapLS( cs );
2165 case WM_MDIGETACTIVE:
2168 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
2169 (HMENU16)LOWORD(*plparam) );
2170 *pwparam16 = (*plparam == 0);
2173 if(HIWORD(wParam32) & MF_POPUP)
2176 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
2178 if((hmenu = GetSubMenu((HMENU)*plparam, *pwparam16)))
2179 *pwparam16=HMENU_16(hmenu);
2184 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2186 case WM_MDIACTIVATE:
2187 if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
2189 *pwparam16 = ((HWND)*plparam == hwnd);
2190 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
2191 (HWND16)LOWORD(wParam32) );
2195 *pwparam16 = HWND_16( (HWND)wParam32 );
2201 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
2202 NCCALCSIZE_PARAMS16 *nc = HeapAlloc( GetProcessHeap(), 0, sizeof(*nc) + sizeof(LPARAM));
2205 CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] );
2209 CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] );
2210 CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] );
2211 if (!(wp = HeapAlloc( GetProcessHeap(), 0, sizeof(WINDOWPOS16) )))
2213 HeapFree( GetProcessHeap(), 0, nc );
2216 STRUCT32_WINDOWPOS32to16( nc32->lppos, wp );
2217 nc->lppos = MapLS( wp );
2219 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
2220 *plparam = MapLS( nc );
2227 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
2229 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2230 STRUCT32_CREATESTRUCT32Ato16( cs32, cs );
2231 cs->lpszName = MapLS( cs32->lpszName );
2232 cs->lpszClass = MapLS( cs32->lpszClass );
2233 *plparam = MapLS( cs );
2236 case WM_PARENTNOTIFY:
2237 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
2238 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
2239 /* else nothing to do */
2242 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
2245 case WM_WININICHANGE:
2246 case WM_DEVMODECHANGE:
2247 *plparam = MapLS( (LPSTR)*plparam );
2249 case WM_WINDOWPOSCHANGING:
2250 case WM_WINDOWPOSCHANGED:
2252 WINDOWPOS16 *wp = HeapAlloc( GetProcessHeap(), 0, sizeof(*wp) + sizeof(LPARAM) );
2254 STRUCT32_WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
2255 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
2256 *plparam = MapLS( wp );
2261 LPMSG msg32 = (LPMSG) *plparam;
2262 LPMSG16 msg16 = HeapAlloc( GetProcessHeap(), 0, sizeof(MSG16) );
2264 if (!msg16) return -1;
2265 msg16->hwnd = HWND_16( msg32->hwnd );
2266 msg16->lParam = msg32->lParam;
2267 msg16->time = msg32->time;
2268 CONV_POINT32TO16(&msg32->pt,&msg16->pt);
2269 /* this is right, right? */
2270 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
2271 &msg16->message,&msg16->wParam, &msg16->lParam)<0)
2273 HeapFree( GetProcessHeap(), 0, msg16 );
2276 *plparam = MapLS( msg16 );
2281 case WM_ACTIVATEAPP:
2282 if (*plparam) *plparam = HTASK_16( (HANDLE)*plparam );
2286 MDINEXTMENU *next = (MDINEXTMENU *)*plparam;
2287 *plparam = (LPARAM)next->hmenuIn;
2290 case WM_PAINTCLIPBOARD:
2291 case WM_SIZECLIPBOARD:
2292 FIXME_(msg)("message %04x needs translation\n", msg32 );
2294 /* following messages should not be sent to 16-bit apps */
2297 case WM_CAPTURECHANGED:
2298 case WM_STYLECHANGING:
2299 case WM_STYLECHANGED:
2301 case WM_DDE_INITIATE:
2302 case WM_DDE_TERMINATE:
2303 case WM_DDE_UNADVISE:
2304 case WM_DDE_REQUEST:
2305 *pwparam16 = HWND_16((HWND)wParam32);
2314 *pwparam16 = HWND_16((HWND)wParam32);
2315 UnpackDDElParam(msg32, *plparam, &lo32, &hi);
2316 if (lo32 && !(lo16 = convert_handle_32_to_16(lo32, GMEM_DDESHARE)))
2318 *plparam = MAKELPARAM(lo16, hi);
2320 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2327 *pwparam16 = HWND_16((HWND)wParam32);
2329 UnpackDDElParam(msg32, *plparam, &lo, &hi);
2331 if (GlobalGetAtomNameA((ATOM)hi, buf, sizeof(buf)) > 0) flag |= 1;
2332 if (GlobalSize((HANDLE)hi) != 0) flag |= 2;
2338 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
2343 break; /* atom, nothing to do */
2345 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
2348 hi = convert_handle_32_to_16(hi, GMEM_DDESHARE);
2351 *plparam = MAKELPARAM(lo, hi);
2353 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2354 case WM_DDE_EXECUTE:
2355 *plparam = convert_handle_32_to_16(*plparam, GMEM_DDESHARE);
2356 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2357 default: /* No translation needed */
2363 /**********************************************************************
2364 * WINPROC_UnmapMsg32ATo16
2366 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
2368 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2377 case LB_FINDSTRINGEXACT:
2378 case LB_INSERTSTRING:
2379 case LB_SELECTSTRING:
2383 case CB_FINDSTRINGEXACT:
2384 case CB_INSERTSTRING:
2385 case CB_SELECTSTRING:
2389 case WM_WININICHANGE:
2390 case WM_DEVMODECHANGE:
2391 UnMapLS( (SEGPTR)p16->lParam );
2393 case LB_SETTABSTOPS:
2394 case WM_COMPAREITEM:
2398 void *ptr = MapSL( p16->lParam );
2399 UnMapLS( p16->lParam );
2400 HeapFree( GetProcessHeap(), 0, ptr );
2403 case CB_GETDROPPEDCONTROLRECT:
2404 case LB_GETITEMRECT:
2406 RECT16 *rect = MapSL(p16->lParam);
2407 UnMapLS( p16->lParam );
2408 p16->lParam = *(LPARAM *)(rect + 1);
2409 CONV_RECT16TO32( rect, (RECT *)(p16->lParam));
2410 HeapFree( GetProcessHeap(), 0, rect );
2413 case LB_GETSELITEMS:
2416 LPINT16 items = MapSL(p16->lParam);
2417 UnMapLS( p16->lParam );
2418 p16->lParam = *((LPARAM *)items - 1);
2419 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2420 HeapFree( GetProcessHeap(), 0, (LPARAM *)items - 1 );
2426 *((PUINT)(wParam)) = LOWORD(p16->lResult);
2428 *((PUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2431 case WM_MEASUREITEM:
2433 MEASUREITEMSTRUCT16 *mis = MapSL(p16->lParam);
2434 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2435 mis32->itemWidth = mis->itemWidth;
2436 mis32->itemHeight = mis->itemHeight;
2437 UnMapLS( p16->lParam );
2438 HeapFree( GetProcessHeap(), 0, mis );
2441 case WM_GETMINMAXINFO:
2443 MINMAXINFO16 *mmi = MapSL(p16->lParam);
2444 UnMapLS( p16->lParam );
2445 p16->lParam = *(LPARAM *)(mmi + 1);
2446 STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2447 HeapFree( GetProcessHeap(), 0, mmi );
2451 case WM_ASKCBFORMATNAME:
2453 LPSTR str = MapSL(p16->lParam);
2454 UnMapLS( p16->lParam );
2455 p16->lParam = *((LPARAM *)str - 1);
2456 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2457 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2462 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2463 UnMapLS( cs->szTitle );
2464 UnMapLS( cs->szClass );
2465 UnMapLS( p16->lParam );
2466 HeapFree( GetProcessHeap(), 0, cs );
2469 case WM_MDIGETACTIVE:
2470 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2471 p16->lResult = (LRESULT)WIN_Handle32( LOWORD(p16->lResult) );
2475 NCCALCSIZE_PARAMS *nc32;
2476 NCCALCSIZE_PARAMS16 *nc = MapSL(p16->lParam);
2477 UnMapLS( p16->lParam );
2478 p16->lParam = *(LPARAM *)(nc + 1);
2479 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2480 CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] );
2483 WINDOWPOS16 *pos = MapSL(nc->lppos);
2484 UnMapLS( nc->lppos );
2485 CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] );
2486 CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] );
2487 STRUCT32_WINDOWPOS16to32( pos, nc32->lppos );
2488 HeapFree( GetProcessHeap(), 0, pos );
2490 HeapFree( GetProcessHeap(), 0, nc );
2496 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2497 UnMapLS( p16->lParam );
2498 UnMapLS( cs->lpszName );
2499 UnMapLS( cs->lpszClass );
2500 HeapFree( GetProcessHeap(), 0, cs );
2503 case WM_WINDOWPOSCHANGING:
2504 case WM_WINDOWPOSCHANGED:
2506 WINDOWPOS16 *wp = MapSL(p16->lParam);
2507 UnMapLS( p16->lParam );
2508 p16->lParam = *(LPARAM *)(wp + 1);
2509 STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2510 HeapFree( GetProcessHeap(), 0, wp );
2514 UnMapLS(p16->lParam);
2519 LPMSG16 msg16 = MapSL(p16->lParam);
2521 UnMapLS( p16->lParam );
2522 msgp16.wParam=msg16->wParam;
2523 msgp16.lParam=msg16->lParam;
2524 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2525 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2527 HeapFree( GetProcessHeap(), 0, msg16 );
2532 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
2533 next->hmenuNext = HMENU_32( LOWORD(p16->lResult) );
2534 next->hwndNext = WIN_Handle32( HIWORD(p16->lResult) );
2542 /**********************************************************************
2543 * WINPROC_MapMsg32WTo16
2545 * Map a message from 32-bit Unicode to 16-bit.
2546 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2548 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2549 UINT16 *pmsg16, WPARAM16 *pwparam16,
2555 *pmsg16 = LOWORD(msg32);
2556 *pwparam16 = LOWORD(wParam32);
2561 case LB_FINDSTRINGEXACT:
2562 case LB_INSERTSTRING:
2563 case LB_SELECTSTRING:
2566 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2567 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2572 case CB_FINDSTRINGEXACT:
2573 case CB_INSERTSTRING:
2574 case CB_SELECTSTRING:
2576 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2577 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2584 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2586 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2587 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2588 cs->lpszName = map_str_32W_to_16( cs32->lpszName );
2589 cs->lpszClass = map_str_32W_to_16( cs32->lpszClass );
2590 *plparam = MapLS(cs);
2595 MDICREATESTRUCT16 *cs;
2596 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2598 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2599 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2600 cs->szTitle = map_str_32W_to_16( cs32->szTitle );
2601 cs->szClass = map_str_32W_to_16( cs32->szClass );
2602 *plparam = MapLS(cs);
2606 case WM_WININICHANGE:
2607 case WM_DEVMODECHANGE:
2608 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2612 if ( WINPROC_TestLBForStr( hwnd ))
2614 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2615 if (!str) return -1;
2616 *pmsg16 = (msg32 == LB_GETTEXT)? LB_GETTEXT16 : CB_GETLBTEXT16;
2617 *plparam = (LPARAM)MapLS(str);
2622 wch = LOWORD(wParam32);
2623 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2625 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2628 wch = LOWORD(wParam32);
2629 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2631 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2636 case WM_SYSDEADCHAR:
2638 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2648 WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL );
2649 *pwparam16 = (ch[0] << 8) | ch[1];
2653 default: /* No Unicode translation needed (?) */
2654 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2655 pwparam16, plparam );
2660 /**********************************************************************
2661 * WINPROC_UnmapMsg32WTo16
2663 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2665 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2672 case LB_FINDSTRINGEXACT:
2673 case LB_INSERTSTRING:
2674 case LB_SELECTSTRING:
2679 case CB_FINDSTRINGEXACT:
2680 case CB_INSERTSTRING:
2681 case CB_SELECTSTRING:
2684 case WM_WININICHANGE:
2685 case WM_DEVMODECHANGE:
2686 unmap_str_32W_to_16( p16->lParam );
2691 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2692 UnMapLS( p16->lParam );
2693 unmap_str_32W_to_16( cs->lpszName );
2694 unmap_str_32W_to_16( cs->lpszClass );
2695 HeapFree( GetProcessHeap(), 0, cs );
2700 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2701 UnMapLS( p16->lParam );
2702 unmap_str_32W_to_16( cs->szTitle );
2703 unmap_str_32W_to_16( cs->szClass );
2704 HeapFree( GetProcessHeap(), 0, cs );
2708 case WM_ASKCBFORMATNAME:
2710 LPSTR str = MapSL(p16->lParam);
2711 UnMapLS( p16->lParam );
2712 p16->lParam = *((LPARAM *)str - 1);
2713 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)p16->lParam, 0x7fffffff );
2714 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2719 if ( WINPROC_TestLBForStr( hwnd ))
2721 LPSTR str = MapSL(p16->lParam);
2722 UnMapLS( p16->lParam );
2723 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff );
2724 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2728 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2734 /**********************************************************************
2735 * WINPROC_CallProc32ATo32W
2737 * Call a window procedure, translating args from Ansi to Unicode.
2739 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2740 UINT msg, WPARAM wParam,
2746 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2747 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2749 if( (unmap = WINPROC_MapMsg32ATo32W( hwnd, msg, &wParam, &lParam )) == -1) {
2750 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2751 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2754 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2755 if (unmap) result = WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
2760 /**********************************************************************
2761 * WINPROC_CallProc32WTo32A
2763 * Call a window procedure, translating args from Unicode to Ansi.
2765 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
2766 UINT msg, WPARAM wParam,
2772 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2773 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2775 if ((unmap = WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam )) == -1) {
2776 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2777 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2780 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2781 if( unmap ) WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam );
2786 /**********************************************************************
2787 * __wine_call_wndproc_32A (USER.1010)
2789 LRESULT WINAPI __wine_call_wndproc_32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
2795 HWND hwnd32 = WIN_Handle32( hwnd );
2797 if (WINPROC_MapMsg16To32A( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2799 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2800 return WINPROC_UnmapMsg16To32A( hwnd32, msg32, wParam32, lParam, result );
2804 /**********************************************************************
2805 * __wine_call_wndproc_32W (USER.1011)
2807 LRESULT WINAPI __wine_call_wndproc_32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
2813 HWND hwnd32 = WIN_Handle32( hwnd );
2815 if (WINPROC_MapMsg16To32W( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2817 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2818 return WINPROC_UnmapMsg16To32W( hwnd32, msg32, wParam32, lParam, result );
2822 /**********************************************************************
2823 * WINPROC_CallProc32ATo16
2825 * Call a 16-bit window procedure, translating the 32-bit args.
2827 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
2828 UINT msg, WPARAM wParam,
2834 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2835 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2837 mp16.lParam = lParam;
2838 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1)
2840 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
2841 mp16.wParam, mp16.lParam );
2842 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
2843 return mp16.lResult;
2847 /**********************************************************************
2848 * WINPROC_CallProc32WTo16
2850 * Call a 16-bit window procedure, translating the 32-bit args.
2852 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
2853 UINT msg, WPARAM wParam,
2859 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2860 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2862 mp16.lParam = lParam;
2863 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
2864 &mp16.lParam ) == -1)
2866 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
2867 mp16.wParam, mp16.lParam );
2868 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
2869 return mp16.lResult;
2873 /**********************************************************************
2874 * CallWindowProc (USER.122)
2876 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2877 WPARAM16 wParam, LPARAM lParam )
2881 if (!func) return 0;
2883 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
2884 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2887 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_16 );
2888 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2894 if (!proc->thunk.t_from32.proc) return 0;
2895 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
2896 hwnd, msg, wParam, lParam );
2898 if (!proc->thunk.t_from16.proc) return 0;
2899 return __wine_call_wndproc_32A( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
2901 if (!proc->thunk.t_from16.proc) return 0;
2902 return __wine_call_wndproc_32W( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
2904 WARN_(relay)("Invalid proc %p\n", proc );
2910 /**********************************************************************
2911 * CallWindowProcA (USER32.@)
2913 * The CallWindowProc() function invokes the windows procedure _func_,
2914 * with _hwnd_ as the target window, the message specified by _msg_, and
2915 * the message parameters _wParam_ and _lParam_.
2917 * Some kinds of argument conversion may be done, I'm not sure what.
2919 * CallWindowProc() may be used for windows subclassing. Use
2920 * SetWindowLong() to set a new windows procedure for windows of the
2921 * subclass, and handle subclassed messages in the new windows
2922 * procedure. The new windows procedure may then use CallWindowProc()
2923 * with _func_ set to the parent class's windows procedure to dispatch
2924 * the message to the superclass.
2928 * The return value is message dependent.
2934 LRESULT WINAPI CallWindowProcA(
2935 WNDPROC func, /* [in] window procedure */
2936 HWND hwnd, /* [in] target window */
2937 UINT msg, /* [in] message */
2938 WPARAM wParam, /* [in] message dependent parameter */
2939 LPARAM lParam /* [in] message dependent parameter */
2943 if (!func) return 0;
2945 if (!(proc = WINPROC_GetPtr( func )))
2946 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2949 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32A );
2950 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2956 if (!proc->thunk.t_from32.proc) return 0;
2957 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
2958 hwnd, msg, wParam, lParam );
2960 if (!proc->thunk.t_from16.proc) return 0;
2961 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2962 hwnd, msg, wParam, lParam );
2964 if (!proc->thunk.t_from16.proc) return 0;
2965 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
2966 hwnd, msg, wParam, lParam );
2968 WARN_(relay)("Invalid proc %p\n", proc );
2974 /**********************************************************************
2975 * CallWindowProcW (USER32.@)
2977 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
2978 WPARAM wParam, LPARAM lParam )
2982 if (!func) return 0;
2984 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
2985 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2988 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32W );
2989 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2995 if (!proc->thunk.t_from32.proc) return 0;
2996 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
2997 hwnd, msg, wParam, lParam );
2999 if (!proc->thunk.t_from16.proc) return 0;
3000 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
3001 hwnd, msg, wParam, lParam );
3003 if (!proc->thunk.t_from16.proc) return 0;
3004 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
3005 hwnd, msg, wParam, lParam );
3007 WARN_(relay)("Invalid proc %p\n", proc );