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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
33 #include "wine/winbase16.h"
34 #include "wine/winuser16.h"
38 #include "user_private.h"
41 #include "wine/unicode.h"
42 #include "wine/debug.h"
44 WINE_DECLARE_DEBUG_CHANNEL(msg);
45 WINE_DECLARE_DEBUG_CHANNEL(relay);
46 WINE_DEFAULT_DEBUG_CHANNEL(win);
48 typedef struct tagWINDOWPROC
50 WNDPROC16 proc16; /* 16-bit window proc */
51 WNDPROC procA; /* ASCII window proc */
52 WNDPROC procW; /* Unicode window proc */
55 #define WINPROC_HANDLE (~0UL >> 16)
56 #define MAX_WINPROCS 8192
58 static WINDOWPROC winproc_array[MAX_WINPROCS];
59 static UINT winproc_used;
61 static CRITICAL_SECTION winproc_cs;
62 static CRITICAL_SECTION_DEBUG critsect_debug =
65 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
66 0, 0, { (DWORD_PTR)(__FILE__ ": winproc_cs") }
68 static CRITICAL_SECTION winproc_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
70 static inline void *get_buffer( void *static_buffer, size_t size, size_t need )
72 if (size >= need) return static_buffer;
73 return HeapAlloc( GetProcessHeap(), 0, need );
76 static inline void free_buffer( void *static_buffer, void *buffer )
78 if (buffer != static_buffer) HeapFree( GetProcessHeap(), 0, buffer );
81 /* find an existing winproc for a given 16-bit function and type */
82 /* FIXME: probably should do something more clever than a linear search */
83 static inline WINDOWPROC *find_winproc16( WNDPROC16 func )
87 for (i = 0; i < winproc_used; i++)
89 if (winproc_array[i].proc16 == func) return &winproc_array[i];
94 /* find an existing winproc for a given function and type */
95 /* FIXME: probably should do something more clever than a linear search */
96 static inline WINDOWPROC *find_winproc( WNDPROC funcA, WNDPROC funcW )
100 for (i = 0; i < winproc_used; i++)
102 if (funcA && winproc_array[i].procA != funcA) continue;
103 if (funcW && winproc_array[i].procW != funcW) continue;
104 return &winproc_array[i];
109 /* return the window proc for a given handle, or NULL for an invalid handle */
110 static inline WINDOWPROC *handle_to_proc( WNDPROC handle )
112 UINT index = LOWORD(handle);
113 if ((ULONG_PTR)handle >> 16 != WINPROC_HANDLE) return NULL;
114 if (index >= winproc_used) return NULL;
115 return &winproc_array[index];
118 /* create a handle for a given window proc */
119 static inline WNDPROC proc_to_handle( WINDOWPROC *proc )
121 return (WNDPROC)(ULONG_PTR)((proc - winproc_array) | (WINPROC_HANDLE << 16));
124 /* allocate and initialize a new winproc */
125 static inline WINDOWPROC *alloc_winproc( WNDPROC funcA, WNDPROC funcW )
129 /* check if the function is already a win proc */
130 if (funcA && (proc = handle_to_proc( funcA ))) return proc;
131 if (funcW && (proc = handle_to_proc( funcW ))) return proc;
132 if (!funcA && !funcW) return NULL;
134 EnterCriticalSection( &winproc_cs );
136 /* check if we already have a winproc for that function */
137 if (!(proc = find_winproc( funcA, funcW )))
139 if (winproc_used < MAX_WINPROCS)
141 proc = &winproc_array[winproc_used++];
144 TRACE( "allocated %p for %p/%p (%d/%d used)\n",
145 proc_to_handle(proc), funcA, funcW, winproc_used, MAX_WINPROCS );
147 else FIXME( "too many winprocs, cannot allocate one for %p/%p\n", funcA, funcW );
149 else TRACE( "reusing %p for %p/%p\n", proc_to_handle(proc), funcA, funcW );
151 LeaveCriticalSection( &winproc_cs );
158 #include "pshpack1.h"
160 /* Window procedure 16-to-32-bit thunk */
163 BYTE popl_eax; /* popl %eax (return address) */
164 BYTE pushl_func; /* pushl $proc */
166 BYTE pushl_eax; /* pushl %eax */
167 BYTE ljmp; /* ljmp relay*/
168 DWORD relay_offset; /* __wine_call_wndproc */
174 #define MAX_THUNKS (0x10000 / sizeof(WINPROC_THUNK))
176 static WINPROC_THUNK *thunk_array;
177 static UINT thunk_selector;
178 static UINT thunk_used;
180 /* return the window proc for a given handle, or NULL for an invalid handle */
181 static inline WINDOWPROC *handle16_to_proc( WNDPROC16 handle )
183 if (HIWORD(handle) == thunk_selector)
185 UINT index = LOWORD(handle) / sizeof(WINPROC_THUNK);
186 /* check alignment */
187 if (index * sizeof(WINPROC_THUNK) != LOWORD(handle)) return NULL;
188 /* check array limits */
189 if (index >= thunk_used) return NULL;
190 return thunk_array[index].proc;
192 return handle_to_proc( (WNDPROC)handle );
195 /* allocate a 16-bit thunk for an existing window proc */
196 static WNDPROC16 alloc_win16_thunk( WINDOWPROC *proc )
198 static FARPROC16 relay;
201 if (proc->proc16) return proc->proc16;
203 EnterCriticalSection( &winproc_cs );
205 if (!thunk_array) /* allocate the array and its selector */
209 if (!(thunk_selector = wine_ldt_alloc_entries(1))) goto done;
210 if (!(thunk_array = VirtualAlloc( NULL, MAX_THUNKS * sizeof(WINPROC_THUNK), MEM_COMMIT,
211 PAGE_EXECUTE_READWRITE ))) goto done;
212 wine_ldt_set_base( &entry, thunk_array );
213 wine_ldt_set_limit( &entry, MAX_THUNKS * sizeof(WINPROC_THUNK) - 1 );
214 wine_ldt_set_flags( &entry, WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
215 wine_ldt_set_entry( thunk_selector, &entry );
216 relay = GetProcAddress16( GetModuleHandle16("user"), "__wine_call_wndproc" );
219 /* check if it already exists */
220 for (i = 0; i < thunk_used; i++) if (thunk_array[i].proc == proc) break;
222 if (i == thunk_used) /* create a new one */
224 WINPROC_THUNK *thunk;
226 if (thunk_used >= MAX_THUNKS) goto done;
227 thunk = &thunk_array[thunk_used++];
228 thunk->popl_eax = 0x58; /* popl %eax */
229 thunk->pushl_func = 0x68; /* pushl $proc */
231 thunk->pushl_eax = 0x50; /* pushl %eax */
232 thunk->ljmp = 0xea; /* ljmp relay*/
233 thunk->relay_offset = OFFSETOF(relay);
234 thunk->relay_sel = SELECTOROF(relay);
236 proc->proc16 = (WNDPROC16)MAKESEGPTR( thunk_selector, i * sizeof(WINPROC_THUNK) );
238 LeaveCriticalSection( &winproc_cs );
244 static inline WINDOWPROC *handle16_to_proc( WNDPROC16 handle )
246 return handle_to_proc( (WNDPROC)handle );
249 static inline WNDPROC16 alloc_win16_thunk( WINDOWPROC *proc )
254 #endif /* __i386__ */
258 /* Some window procedures modify register they shouldn't, or are not
259 * properly declared stdcall; so we need a small assembly wrapper to
261 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
262 WPARAM wParam, LPARAM lParam );
263 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
274 "movl 8(%ebp),%eax\n\t"
276 "leal -12(%ebp),%esp\n\t"
283 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
284 WPARAM wParam, LPARAM lParam )
286 return proc( hwnd, msg, wParam, lParam );
288 #endif /* __i386__ */
290 static void RECT16to32( const RECT16 *from, RECT *to )
292 to->left = from->left;
294 to->right = from->right;
295 to->bottom = from->bottom;
298 static void RECT32to16( const RECT *from, RECT16 *to )
300 to->left = from->left;
302 to->right = from->right;
303 to->bottom = from->bottom;
306 static void MINMAXINFO32to16( const MINMAXINFO *from, MINMAXINFO16 *to )
308 to->ptReserved.x = from->ptReserved.x;
309 to->ptReserved.y = from->ptReserved.y;
310 to->ptMaxSize.x = from->ptMaxSize.x;
311 to->ptMaxSize.y = from->ptMaxSize.y;
312 to->ptMaxPosition.x = from->ptMaxPosition.x;
313 to->ptMaxPosition.y = from->ptMaxPosition.y;
314 to->ptMinTrackSize.x = from->ptMinTrackSize.x;
315 to->ptMinTrackSize.y = from->ptMinTrackSize.y;
316 to->ptMaxTrackSize.x = from->ptMaxTrackSize.x;
317 to->ptMaxTrackSize.y = from->ptMaxTrackSize.y;
320 static void MINMAXINFO16to32( const MINMAXINFO16 *from, MINMAXINFO *to )
322 to->ptReserved.x = from->ptReserved.x;
323 to->ptReserved.y = from->ptReserved.y;
324 to->ptMaxSize.x = from->ptMaxSize.x;
325 to->ptMaxSize.y = from->ptMaxSize.y;
326 to->ptMaxPosition.x = from->ptMaxPosition.x;
327 to->ptMaxPosition.y = from->ptMaxPosition.y;
328 to->ptMinTrackSize.x = from->ptMinTrackSize.x;
329 to->ptMinTrackSize.y = from->ptMinTrackSize.y;
330 to->ptMaxTrackSize.x = from->ptMaxTrackSize.x;
331 to->ptMaxTrackSize.y = from->ptMaxTrackSize.y;
334 static void WINDOWPOS32to16( const WINDOWPOS* from, WINDOWPOS16* to )
336 to->hwnd = HWND_16(from->hwnd);
337 to->hwndInsertAfter = HWND_16(from->hwndInsertAfter);
342 to->flags = from->flags;
345 static void WINDOWPOS16to32( const WINDOWPOS16* from, WINDOWPOS* to )
347 to->hwnd = WIN_Handle32(from->hwnd);
348 to->hwndInsertAfter = (from->hwndInsertAfter == (HWND16)-1) ?
349 HWND_TOPMOST : WIN_Handle32(from->hwndInsertAfter);
354 to->flags = from->flags;
357 /* The strings are not copied */
358 static void CREATESTRUCT32Ato16( const CREATESTRUCTA* from, CREATESTRUCT16* to )
360 to->lpCreateParams = (SEGPTR)from->lpCreateParams;
361 to->hInstance = HINSTANCE_16(from->hInstance);
362 to->hMenu = HMENU_16(from->hMenu);
363 to->hwndParent = HWND_16(from->hwndParent);
368 to->style = from->style;
369 to->dwExStyle = from->dwExStyle;
372 static void CREATESTRUCT16to32A( const CREATESTRUCT16* from, CREATESTRUCTA *to )
375 to->lpCreateParams = (LPVOID)from->lpCreateParams;
376 to->hInstance = HINSTANCE_32(from->hInstance);
377 to->hMenu = HMENU_32(from->hMenu);
378 to->hwndParent = WIN_Handle32(from->hwndParent);
383 to->style = from->style;
384 to->dwExStyle = from->dwExStyle;
385 to->lpszName = MapSL(from->lpszName);
386 to->lpszClass = MapSL(from->lpszClass);
389 /* The strings are not copied */
390 static void MDICREATESTRUCT32Ato16( const MDICREATESTRUCTA* from, MDICREATESTRUCT16* to )
392 to->hOwner = HINSTANCE_16(from->hOwner);
397 to->style = from->style;
398 to->lParam = from->lParam;
401 static void MDICREATESTRUCT16to32A( const MDICREATESTRUCT16* from, MDICREATESTRUCTA *to )
403 to->hOwner = HINSTANCE_32(from->hOwner);
408 to->style = from->style;
409 to->lParam = from->lParam;
410 to->szTitle = MapSL(from->szTitle);
411 to->szClass = MapSL(from->szClass);
414 static WPARAM map_wparam_char_AtoW( WPARAM wParam, DWORD len )
419 ch[0] = (wParam >> 8);
420 ch[1] = wParam & 0xff;
421 if (len > 1 && ch[0])
422 RtlMultiByteToUnicodeN( &wch, sizeof(wch), NULL, ch, 2 );
424 RtlMultiByteToUnicodeN( &wch, sizeof(wch), NULL, ch + 1, 1 );
425 return MAKEWPARAM( wch, HIWORD(wParam) );
428 static WPARAM map_wparam_char_WtoA( WPARAM wParam, DWORD len )
433 RtlUnicodeToMultiByteN( (LPSTR)ch, len, &len, &wch, sizeof(wch) );
435 return MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wParam) );
437 return MAKEWPARAM( ch[0], HIWORD(wParam) );
440 /* call a 32-bit window procedure */
441 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result, void *arg )
447 hwnd = WIN_GetFullHandle( hwnd );
449 DPRINTF( "%04lx:Call window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
450 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp );
452 *result = WINPROC_wrapper( proc, hwnd, msg, wp, lp );
455 DPRINTF( "%04lx:Ret window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx) retval=%08lx\n",
456 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp, *result );
460 /* call a 32-bit dialog procedure */
461 static LRESULT call_dialog_proc( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result, void *arg )
468 hwnd = WIN_GetFullHandle( hwnd );
470 DPRINTF( "%04lx:Call dialog proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
471 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp );
473 ret = WINPROC_wrapper( proc, hwnd, msg, wp, lp );
474 *result = GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
477 DPRINTF( "%04lx:Ret dialog proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx) retval=%08lx result=%08lx\n",
478 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wp, lp, ret, *result );
482 /* call a 16-bit window procedure */
483 static LRESULT call_window_proc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
484 LRESULT *result, void *arg )
486 WNDPROC16 proc = arg;
495 DRAWITEMSTRUCT16 dis16;
496 COMPAREITEMSTRUCT16 cis16;
502 /* Window procedures want ax = hInstance, ds = es = ss */
504 memset(&context, 0, sizeof(context));
505 context.SegDs = context.SegEs = SELECTOROF(NtCurrentTeb()->WOW32Reserved);
506 context.SegFs = wine_get_fs();
507 context.SegGs = wine_get_gs();
508 if (!(context.Eax = GetWindowWord( HWND_32(hwnd), GWLP_HINSTANCE ))) context.Eax = context.SegDs;
509 context.SegCs = SELECTOROF(proc);
510 context.Eip = OFFSETOF(proc);
511 context.Ebp = OFFSETOF(NtCurrentTeb()->WOW32Reserved) + (WORD)&((STACK16FRAME*)0)->bp;
515 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
516 work if structures passed in lParam are placed in the stack/data
517 segment. Programmers easily make the mistake of converting lParam
518 to a near rather than a far pointer, since Windows apparently
519 allows this. We copy the structures to the 16 bit stack; this is
520 ugly but makes these programs work. */
525 size = sizeof(CREATESTRUCT16); break;
527 size = sizeof(DRAWITEMSTRUCT16); break;
529 size = sizeof(COMPAREITEMSTRUCT16); break;
533 memcpy( &args.u, MapSL(lParam), size );
534 lParam = (SEGPTR)NtCurrentTeb()->WOW32Reserved - size;
538 args.params[4] = hwnd;
539 args.params[3] = msg;
540 args.params[2] = wParam;
541 args.params[1] = HIWORD(lParam);
542 args.params[0] = LOWORD(lParam);
543 WOWCallback16Ex( 0, WCB16_REGS, sizeof(args.params) + size, &args, (DWORD *)&context );
544 *result = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
548 /* call a 16-bit dialog procedure */
549 static LRESULT call_dialog_proc16( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp,
550 LRESULT *result, void *arg )
552 LRESULT ret = call_window_proc16( hwnd, msg, wp, lp, result, arg );
553 *result = GetWindowLongPtrW( WIN_Handle32(hwnd), DWLP_MSGRESULT );
557 /* helper callback for 32W->16 conversion */
558 static LRESULT call_window_proc_Ato16( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
559 LRESULT *result, void *arg )
561 return WINPROC_CallProc32ATo16( call_window_proc16, hwnd, msg, wp, lp, result, arg );
564 /* helper callback for 32W->16 conversion */
565 static LRESULT call_dialog_proc_Ato16( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
566 LRESULT *result, void *arg )
568 return WINPROC_CallProc32ATo16( call_dialog_proc16, hwnd, msg, wp, lp, result, arg );
571 /* helper callback for 16->32W conversion */
572 static LRESULT call_window_proc_AtoW( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
573 LRESULT *result, void *arg )
575 return WINPROC_CallProcAtoW( call_window_proc, hwnd, msg, wp, lp, result, arg );
578 /* helper callback for 16->32W conversion */
579 static LRESULT call_dialog_proc_AtoW( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
580 LRESULT *result, void *arg )
582 return WINPROC_CallProcAtoW( call_dialog_proc, hwnd, msg, wp, lp, result, arg );
586 /**********************************************************************
589 * Get a window procedure pointer that can be passed to the Windows program.
591 WNDPROC16 WINPROC_GetProc16( WNDPROC proc, BOOL unicode )
595 if (unicode) ptr = alloc_winproc( NULL, proc );
596 else ptr = alloc_winproc( proc, NULL );
599 return alloc_win16_thunk( ptr );
603 /**********************************************************************
606 * Get a window procedure pointer that can be passed to the Windows program.
608 WNDPROC WINPROC_GetProc( WNDPROC proc, BOOL unicode )
610 WINDOWPROC *ptr = handle_to_proc( proc );
612 if (!ptr) return proc;
615 if (ptr->procW) return ptr->procW;
620 if (ptr->procA) return ptr->procA;
626 /**********************************************************************
627 * WINPROC_AllocProc16
629 * Allocate a window procedure for a window or class.
631 * Note that allocated winprocs are never freed; the idea is that even if an app creates a
632 * lot of windows, it will usually only have a limited number of window procedures, so the
633 * array won't grow too large, and this way we avoid the need to track allocations per window.
635 WNDPROC WINPROC_AllocProc16( WNDPROC16 func )
639 if (!func) return NULL;
641 /* check if the function is already a win proc */
642 if (!(proc = handle16_to_proc( func )))
644 EnterCriticalSection( &winproc_cs );
646 /* then check if we already have a winproc for that function */
647 if (!(proc = find_winproc16( func )))
649 if (winproc_used < MAX_WINPROCS)
651 proc = &winproc_array[winproc_used++];
653 TRACE( "allocated %p for %p/16-bit (%d/%d used)\n",
654 proc_to_handle(proc), func, winproc_used, MAX_WINPROCS );
656 else FIXME( "too many winprocs, cannot allocate one for 16-bit %p\n", func );
658 else TRACE( "reusing %p for %p/16-bit\n", proc_to_handle(proc), func );
660 LeaveCriticalSection( &winproc_cs );
662 return proc_to_handle( proc );
666 /**********************************************************************
669 * Allocate a window procedure for a window or class.
671 * Note that allocated winprocs are never freed; the idea is that even if an app creates a
672 * lot of windows, it will usually only have a limited number of window procedures, so the
673 * array won't grow too large, and this way we avoid the need to track allocations per window.
675 WNDPROC WINPROC_AllocProc( WNDPROC funcA, WNDPROC funcW )
679 if (!(proc = alloc_winproc( funcA, funcW ))) return NULL;
680 return proc_to_handle( proc );
684 /**********************************************************************
687 * Return the window procedure type, or the default value if not a winproc handle.
689 BOOL WINPROC_IsUnicode( WNDPROC proc, BOOL def_val )
691 WINDOWPROC *ptr = handle_to_proc( proc );
693 if (!ptr) return def_val;
694 if (ptr->procA && ptr->procW) return def_val; /* can be both */
695 return (ptr->procW != NULL);
699 /**********************************************************************
700 * WINPROC_TestLBForStr
702 * Return TRUE if the lparam is a string
704 inline static BOOL WINPROC_TestLBForStr( HWND hwnd, UINT msg )
706 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
707 if (msg <= CB_MSGMAX)
708 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
710 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
715 static UINT convert_handle_16_to_32(HANDLE16 src, unsigned int flags)
718 UINT sz = GlobalSize16(src);
721 if (!(dst = GlobalAlloc(flags, sz)))
723 ptr16 = GlobalLock16(src);
724 ptr32 = GlobalLock(dst);
725 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr32, ptr16, sz);
732 static HANDLE16 convert_handle_32_to_16(UINT src, unsigned int flags)
735 UINT sz = GlobalSize((HANDLE)src);
738 if (!(dst = GlobalAlloc16(flags, sz)))
740 ptr32 = GlobalLock((HANDLE)src);
741 ptr16 = GlobalLock16(dst);
742 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr16, ptr32, sz);
743 GlobalUnlock((HANDLE)src);
750 /**********************************************************************
751 * WINPROC_MapMsg32ATo16
753 * Map a message from 32-bit Ansi to 16-bit.
754 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
756 static INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
757 UINT16 *pmsg16, WPARAM16 *pwparam16, LPARAM *plparam )
759 *pmsg16 = (UINT16)msg32;
760 *pwparam16 = (WPARAM16)LOWORD(wParam32);
764 *pmsg16 = SBM_SETRANGE16;
765 *plparam = MAKELPARAM(wParam32, *plparam);
770 *pmsg16 = SBM_GETRANGE16;
778 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
790 case EM_GETLINECOUNT:
802 case EM_LINEFROMCHAR:
804 case EM_SETPASSWORDCHAR:
805 case EM_EMPTYUNDOBUFFER:
806 case EM_GETFIRSTVISIBLELINE:
808 case EM_SETWORDBREAKPROC:
809 case EM_GETWORDBREAKPROC:
810 case EM_GETPASSWORDCHAR:
811 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
816 case LB_DELETESTRING:
817 case LB_GETANCHORINDEX:
818 case LB_GETCARETINDEX:
821 case LB_GETHORIZONTALEXTENT:
823 case LB_GETITEMHEIGHT:
828 case LB_RESETCONTENT:
829 case LB_SELITEMRANGE:
830 case LB_SELITEMRANGEEX:
831 case LB_SETANCHORINDEX:
832 case LB_SETCARETINDEX:
833 case LB_SETCOLUMNWIDTH:
835 case LB_SETHORIZONTALEXTENT:
837 case LB_SETITEMHEIGHT:
840 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
842 case CB_DELETESTRING:
844 case CB_GETLBTEXTLEN:
846 case CB_RESETCONTENT:
850 case CB_SHOWDROPDOWN:
852 case CB_SETITEMHEIGHT:
853 case CB_GETITEMHEIGHT:
854 case CB_SETEXTENDEDUI:
855 case CB_GETEXTENDEDUI:
856 case CB_GETDROPPEDSTATE:
857 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
860 *pmsg16 = CB_GETEDITSEL16;
865 case LB_FINDSTRINGEXACT:
866 case LB_INSERTSTRING:
867 case LB_SELECTSTRING:
870 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
871 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
876 case CB_FINDSTRINGEXACT:
877 case CB_INSERTSTRING:
878 case CB_SELECTSTRING:
880 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
881 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
886 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
887 if (!rect) return -1;
888 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
889 *plparam = MapLS( rect );
891 *pmsg16 = LB_GETITEMRECT16;
895 LPARAM *items; /* old LPARAM first, then *pwparam16 x INT16 entries */
897 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
898 if (!(items = HeapAlloc( GetProcessHeap(), 0,
899 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
900 *items++ = *plparam; /* Store the previous lParam */
901 *plparam = MapLS( items );
903 *pmsg16 = LB_GETSELITEMS16;
910 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
911 if (!(stops = HeapAlloc( GetProcessHeap(), 0,
912 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
913 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
914 *plparam = MapLS( stops );
917 *pmsg16 = LB_SETTABSTOPS16;
920 case CB_GETDROPPEDCONTROLRECT:
922 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
923 if (!rect) return -1;
924 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
925 *plparam = (LPARAM)MapLS(rect);
927 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
931 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
932 *pmsg16 = LB_GETTEXT16;
936 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
937 *pmsg16 = CB_GETLBTEXT16;
942 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
943 *pmsg16 = EM_SETSEL16;
950 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
954 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
956 case WM_CTLCOLORMSGBOX:
957 case WM_CTLCOLOREDIT:
958 case WM_CTLCOLORLISTBOX:
961 case WM_CTLCOLORSCROLLBAR:
962 case WM_CTLCOLORSTATIC:
963 *pmsg16 = WM_CTLCOLOR;
964 *plparam = MAKELPARAM( (HWND16)*plparam,
965 (WORD)msg32 - WM_CTLCOLORMSGBOX );
968 if(HIWORD(wParam32) & MF_POPUP)
971 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
973 if((hmenu = GetSubMenu((HMENU)*plparam, *pwparam16)))
974 *pwparam16=HMENU_16(hmenu);
979 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
981 case WM_PARENTNOTIFY:
982 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
983 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
984 /* else nothing to do */
987 if (*plparam) *plparam = HTASK_16( (HANDLE)*plparam );
990 if (IsIconic( hwnd ) && GetClassLongPtrW( hwnd, GCLP_HICON ))
992 *pmsg16 = WM_PAINTICON;
997 if (IsIconic( hwnd ) && GetClassLongPtrW( hwnd, GCLP_HICON ))
998 *pmsg16 = WM_ICONERASEBKGND;
1000 case WM_PAINTCLIPBOARD:
1001 case WM_SIZECLIPBOARD:
1002 FIXME_(msg)("message %04x needs translation\n", msg32 );
1004 /* following messages should not be sent to 16-bit apps */
1007 case WM_CAPTURECHANGED:
1008 case WM_STYLECHANGING:
1009 case WM_STYLECHANGED:
1011 default: /* No translation needed */
1017 /**********************************************************************
1018 * WINPROC_UnmapMsg32ATo16
1020 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
1022 static void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1023 WPARAM16 wParam16, LPARAM lParam16, LRESULT *result )
1028 *(LPINT)wParam = LOWORD(*result);
1029 *(LPINT)lParam = HIWORD(*result);
1036 case LB_FINDSTRINGEXACT:
1037 case LB_INSERTSTRING:
1038 case LB_SELECTSTRING:
1042 case CB_FINDSTRINGEXACT:
1043 case CB_INSERTSTRING:
1044 case CB_SELECTSTRING:
1047 UnMapLS( (SEGPTR)lParam16 );
1049 case LB_SETTABSTOPS:
1051 void *ptr = MapSL( lParam16 );
1052 UnMapLS( lParam16 );
1053 HeapFree( GetProcessHeap(), 0, ptr );
1056 case CB_GETDROPPEDCONTROLRECT:
1057 case LB_GETITEMRECT:
1060 RECT16 *rect = MapSL(lParam16);
1061 UnMapLS( lParam16 );
1062 lParam16 = *(LPARAM *)(rect + 1);
1063 r32 = (RECT *)lParam16;
1064 r32->left = rect->left;
1065 r32->top = rect->top;
1066 r32->right = rect->right;
1067 r32->bottom = rect->bottom;
1068 HeapFree( GetProcessHeap(), 0, rect );
1071 case LB_GETSELITEMS:
1074 LPINT16 items = MapSL(lParam16);
1075 UnMapLS( lParam16 );
1076 lParam16 = *((LPARAM *)items - 1);
1077 for (i = 0; i < wParam16; i++) *((LPINT)lParam16 + i) = items[i];
1078 HeapFree( GetProcessHeap(), 0, (LPARAM *)items - 1 );
1084 *((PUINT)(wParam)) = LOWORD(*result);
1086 *((PUINT)(lParam)) = HIWORD(*result); /* FIXME: substract 1? */
1092 /**********************************************************************
1093 * WINPROC_CallProcAtoW
1095 * Call a window procedure, translating args from Ansi to Unicode.
1097 LRESULT WINPROC_CallProcAtoW( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wParam,
1098 LPARAM lParam, LRESULT *result, void *arg )
1102 TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
1103 hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
1110 WCHAR *ptr, buffer[512];
1111 CREATESTRUCTA *csA = (CREATESTRUCTA *)lParam;
1112 CREATESTRUCTW csW = *(CREATESTRUCTW *)csA;
1113 MDICREATESTRUCTW mdi_cs;
1114 DWORD name_lenA = 0, name_lenW = 0, class_lenA = 0, class_lenW = 0;
1116 if (HIWORD(csA->lpszClass))
1118 class_lenA = strlen(csA->lpszClass) + 1;
1119 RtlMultiByteToUnicodeSize( &class_lenW, csA->lpszClass, class_lenA );
1121 if (HIWORD(csA->lpszName))
1123 name_lenA = strlen(csA->lpszName) + 1;
1124 RtlMultiByteToUnicodeSize( &name_lenW, csA->lpszName, name_lenA );
1127 if (!(ptr = get_buffer( buffer, sizeof(buffer), class_lenW + name_lenW ))) break;
1131 csW.lpszClass = ptr;
1132 RtlMultiByteToUnicodeN( ptr, class_lenW, NULL, csA->lpszClass, class_lenA );
1136 csW.lpszName = ptr + class_lenW/sizeof(WCHAR);
1137 RtlMultiByteToUnicodeN( ptr + class_lenW/sizeof(WCHAR), name_lenW, NULL,
1138 csA->lpszName, name_lenA );
1141 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1143 mdi_cs = *(MDICREATESTRUCTW *)csA->lpCreateParams;
1144 mdi_cs.szTitle = csW.lpszName;
1145 mdi_cs.szClass = csW.lpszClass;
1146 csW.lpCreateParams = &mdi_cs;
1149 ret = callback( hwnd, msg, wParam, (LPARAM)&csW, result, arg );
1150 free_buffer( buffer, ptr );
1156 WCHAR *ptr, buffer[512];
1157 DWORD title_lenA = 0, title_lenW = 0, class_lenA = 0, class_lenW = 0;
1158 MDICREATESTRUCTA *csA = (MDICREATESTRUCTA *)lParam;
1159 MDICREATESTRUCTW csW;
1161 memcpy( &csW, csA, sizeof(csW) );
1163 if (HIWORD(csA->szTitle))
1165 title_lenA = strlen(csA->szTitle) + 1;
1166 RtlMultiByteToUnicodeSize( &title_lenW, csA->szTitle, title_lenA );
1168 if (HIWORD(csA->szClass))
1170 class_lenA = strlen(csA->szClass) + 1;
1171 RtlMultiByteToUnicodeSize( &class_lenW, csA->szClass, class_lenA );
1174 if (!(ptr = get_buffer( buffer, sizeof(buffer), title_lenW + class_lenW ))) break;
1179 RtlMultiByteToUnicodeN( ptr, title_lenW, NULL, csA->szTitle, title_lenA );
1183 csW.szClass = ptr + title_lenW/sizeof(WCHAR);
1184 RtlMultiByteToUnicodeN( ptr + title_lenW/sizeof(WCHAR), class_lenW, NULL,
1185 csA->szClass, class_lenA );
1187 ret = callback( hwnd, msg, wParam, (LPARAM)&csW, result, arg );
1188 free_buffer( buffer, ptr );
1193 case WM_ASKCBFORMATNAME:
1195 WCHAR *ptr, buffer[512];
1196 LPSTR str = (LPSTR)lParam;
1197 DWORD len = wParam * sizeof(WCHAR);
1199 if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
1200 ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1201 if (*result && wParam)
1203 RtlUnicodeToMultiByteN( str, wParam - 1, &len, ptr, strlenW(ptr) * sizeof(WCHAR) );
1207 free_buffer( buffer, ptr );
1212 case LB_INSERTSTRING:
1214 case LB_FINDSTRINGEXACT:
1215 case LB_SELECTSTRING:
1217 case CB_INSERTSTRING:
1219 case CB_FINDSTRINGEXACT:
1220 case CB_SELECTSTRING:
1221 if (!lParam || !WINPROC_TestLBForStr( hwnd, msg ))
1223 ret = callback( hwnd, msg, wParam, lParam, result, arg );
1228 case WM_WININICHANGE:
1229 case WM_DEVMODECHANGE:
1234 if (!lParam) ret = callback( hwnd, msg, wParam, lParam, result, arg );
1237 WCHAR *ptr, buffer[512];
1238 LPCSTR strA = (LPCSTR)lParam;
1239 DWORD lenW, lenA = strlen(strA) + 1;
1241 RtlMultiByteToUnicodeSize( &lenW, strA, lenA );
1242 if ((ptr = get_buffer( buffer, sizeof(buffer), lenW )))
1244 RtlMultiByteToUnicodeN( ptr, lenW, NULL, strA, lenA );
1245 ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1246 free_buffer( buffer, ptr );
1253 if (lParam && WINPROC_TestLBForStr( hwnd, msg ))
1255 WCHAR buffer[512]; /* FIXME: fixed sized buffer */
1257 ret = callback( hwnd, msg, wParam, (LPARAM)buffer, result, arg );
1261 RtlUnicodeToMultiByteN( (LPSTR)lParam, ~0u, &len,
1262 buffer, (strlenW(buffer) + 1) * sizeof(WCHAR) );
1266 else ret = callback( hwnd, msg, wParam, lParam, result, arg );
1271 WCHAR *ptr, buffer[512];
1272 WORD len = *(WORD *)lParam;
1274 if (!(ptr = get_buffer( buffer, sizeof(buffer), len * sizeof(WCHAR) ))) break;
1275 *((WORD *)ptr) = len; /* store the length */
1276 ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1280 RtlUnicodeToMultiByteN( (LPSTR)lParam, len, &reslen, ptr, *result * sizeof(WCHAR) );
1281 if (reslen < len) ((LPSTR)lParam)[reslen] = 0;
1284 free_buffer( buffer, ptr );
1291 MSG newmsg = *(MSG *)lParam;
1292 switch(newmsg.message)
1297 case WM_SYSDEADCHAR:
1298 newmsg.wParam = map_wparam_char_AtoW( newmsg.wParam, 1 );
1301 newmsg.wParam = map_wparam_char_AtoW( newmsg.wParam, 2 );
1304 ret = callback( hwnd, msg, wParam, (LPARAM)&newmsg, result, arg );
1306 else ret = callback( hwnd, msg, wParam, lParam, result, arg );
1314 case WM_SYSDEADCHAR:
1315 case EM_SETPASSWORDCHAR:
1316 ret = callback( hwnd, msg, map_wparam_char_AtoW(wParam,1), lParam, result, arg );
1320 ret = callback( hwnd, msg, map_wparam_char_AtoW(wParam,2), lParam, result, arg );
1323 case WM_GETTEXTLENGTH:
1324 case CB_GETLBTEXTLEN:
1326 ret = callback( hwnd, msg, wParam, lParam, result, arg );
1329 WCHAR *ptr, buffer[512];
1331 DWORD len = *result + 1;
1332 /* Determine respective GETTEXT message */
1333 UINT msgGetText = (msg == WM_GETTEXTLENGTH) ? WM_GETTEXT :
1334 ((msg == CB_GETLBTEXTLEN) ? CB_GETLBTEXT : LB_GETTEXT);
1335 /* wParam differs between the messages */
1336 WPARAM wp = (msg == WM_GETTEXTLENGTH) ? len : wParam;
1338 if (!(ptr = get_buffer( buffer, sizeof(buffer), len * sizeof(WCHAR) ))) break;
1340 if (callback == call_window_proc) /* FIXME: hack */
1341 callback( hwnd, msgGetText, wp, (LPARAM)ptr, &tmp, arg );
1343 tmp = SendMessageW( hwnd, msgGetText, wp, (LPARAM)ptr );
1344 RtlUnicodeToMultiByteSize( &len, ptr, tmp * sizeof(WCHAR) );
1346 free_buffer( buffer, ptr );
1350 case WM_PAINTCLIPBOARD:
1351 case WM_SIZECLIPBOARD:
1352 FIXME_(msg)( "message %s (0x%x) needs translation, please report\n",
1353 SPY_GetMsgName(msg, hwnd), msg );
1357 ret = callback( hwnd, msg, wParam, lParam, result, arg );
1364 /**********************************************************************
1365 * WINPROC_CallProcWtoA
1367 * Call a window procedure, translating args from Unicode to Ansi.
1369 static LRESULT WINPROC_CallProcWtoA( winproc_callback_t callback, HWND hwnd, UINT msg, WPARAM wParam,
1370 LPARAM lParam, LRESULT *result, void *arg )
1374 TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
1375 hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
1381 { /* csW->lpszName and csW->lpszClass are NOT supposed to be atoms
1384 char buffer[1024], *cls, *name;
1385 CREATESTRUCTW *csW = (CREATESTRUCTW *)lParam;
1386 CREATESTRUCTA csA = *(CREATESTRUCTA *)csW;
1387 MDICREATESTRUCTA mdi_cs;
1388 DWORD name_lenA, name_lenW, class_lenA, class_lenW;
1390 class_lenW = strlenW(csW->lpszClass) * sizeof(WCHAR);
1391 RtlUnicodeToMultiByteSize(&class_lenA, csW->lpszClass, class_lenW);
1395 name_lenW = strlenW(csW->lpszName) * sizeof(WCHAR);
1396 RtlUnicodeToMultiByteSize(&name_lenA, csW->lpszName, name_lenW);
1399 name_lenW = name_lenA = 0;
1401 if (!(cls = get_buffer( buffer, sizeof(buffer), class_lenA + name_lenA + 2 ))) break;
1403 RtlUnicodeToMultiByteN(cls, class_lenA, NULL, csW->lpszClass, class_lenW);
1404 cls[class_lenA] = 0;
1405 csA.lpszClass = cls;
1409 name = cls + class_lenA + 1;
1410 RtlUnicodeToMultiByteN(name, name_lenA, NULL, csW->lpszName, name_lenW);
1411 name[name_lenA] = 0;
1412 csA.lpszName = name;
1415 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1417 mdi_cs = *(MDICREATESTRUCTA *)csW->lpCreateParams;
1418 mdi_cs.szTitle = csA.lpszName;
1419 mdi_cs.szClass = csA.lpszClass;
1420 csA.lpCreateParams = &mdi_cs;
1423 ret = callback( hwnd, msg, wParam, (LPARAM)&csA, result, arg );
1424 free_buffer( buffer, cls );
1429 case WM_ASKCBFORMATNAME:
1431 char *ptr, buffer[512];
1432 DWORD len = wParam * 2;
1434 if (!(ptr = get_buffer( buffer, sizeof(buffer), len ))) break;
1435 ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1438 RtlMultiByteToUnicodeN( (LPWSTR)lParam, wParam*sizeof(WCHAR), &len, ptr, strlen(ptr)+1 );
1439 *result = len/sizeof(WCHAR) - 1; /* do not count terminating null */
1440 ((LPWSTR)lParam)[*result] = 0;
1442 free_buffer( buffer, ptr );
1447 case LB_INSERTSTRING:
1449 case LB_FINDSTRINGEXACT:
1450 case LB_SELECTSTRING:
1452 case CB_INSERTSTRING:
1454 case CB_FINDSTRINGEXACT:
1455 case CB_SELECTSTRING:
1456 if (!lParam || !WINPROC_TestLBForStr( hwnd, msg ))
1458 ret = callback( hwnd, msg, wParam, lParam, result, arg );
1463 case WM_WININICHANGE:
1464 case WM_DEVMODECHANGE:
1469 if (!lParam) ret = callback( hwnd, msg, wParam, lParam, result, arg );
1472 char *ptr, buffer[512];
1473 LPCWSTR strW = (LPCWSTR)lParam;
1474 DWORD lenA, lenW = (strlenW(strW) + 1) * sizeof(WCHAR);
1476 RtlUnicodeToMultiByteSize( &lenA, strW, lenW );
1477 if ((ptr = get_buffer( buffer, sizeof(buffer), lenA )))
1479 RtlUnicodeToMultiByteN( ptr, lenA, NULL, strW, lenW );
1480 ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1481 free_buffer( buffer, ptr );
1488 char *ptr, buffer[1024];
1489 DWORD title_lenA = 0, title_lenW = 0, class_lenA = 0, class_lenW = 0;
1490 MDICREATESTRUCTW *csW = (MDICREATESTRUCTW *)lParam;
1491 MDICREATESTRUCTA csA;
1493 memcpy( &csA, csW, sizeof(csA) );
1495 if (HIWORD(csW->szTitle))
1497 title_lenW = (strlenW(csW->szTitle) + 1) * sizeof(WCHAR);
1498 RtlUnicodeToMultiByteSize( &title_lenA, csW->szTitle, title_lenW );
1500 if (HIWORD(csW->szClass))
1502 class_lenW = (strlenW(csW->szClass) + 1) * sizeof(WCHAR);
1503 RtlUnicodeToMultiByteSize( &class_lenA, csW->szClass, class_lenW );
1506 if (!(ptr = get_buffer( buffer, sizeof(buffer), title_lenA + class_lenA ))) break;
1510 RtlUnicodeToMultiByteN( ptr, title_lenA, NULL, csW->szTitle, title_lenW );
1515 RtlUnicodeToMultiByteN( ptr + title_lenA, class_lenA, NULL, csW->szClass, class_lenW );
1516 csA.szClass = ptr + title_lenA;
1518 ret = callback( hwnd, msg, wParam, (LPARAM)&csA, result, arg );
1519 free_buffer( buffer, ptr );
1525 if (lParam && WINPROC_TestLBForStr( hwnd, msg ))
1527 char buffer[512]; /* FIXME: fixed sized buffer */
1529 ret = callback( hwnd, msg, wParam, (LPARAM)buffer, result, arg );
1533 RtlMultiByteToUnicodeN( (LPWSTR)lParam, ~0u, &len, buffer, strlen(buffer) + 1 );
1534 *result = len / sizeof(WCHAR) - 1;
1537 else ret = callback( hwnd, msg, wParam, lParam, result, arg );
1542 char *ptr, buffer[512];
1543 WORD len = *(WORD *)lParam;
1545 if (!(ptr = get_buffer( buffer, sizeof(buffer), len * 2 ))) break;
1546 *((WORD *)ptr) = len * 2; /* store the length */
1547 ret = callback( hwnd, msg, wParam, (LPARAM)ptr, result, arg );
1551 RtlMultiByteToUnicodeN( (LPWSTR)lParam, len*sizeof(WCHAR), &reslen, ptr, *result );
1552 *result = reslen / sizeof(WCHAR);
1553 if (*result < len) ((LPWSTR)lParam)[*result] = 0;
1555 free_buffer( buffer, ptr );
1562 MSG newmsg = *(MSG *)lParam;
1563 switch(newmsg.message)
1568 case WM_SYSDEADCHAR:
1569 newmsg.wParam = map_wparam_char_WtoA( newmsg.wParam, 1 );
1572 newmsg.wParam = map_wparam_char_WtoA( newmsg.wParam, 2 );
1575 ret = callback( hwnd, msg, wParam, (LPARAM)&newmsg, result, arg );
1577 else ret = callback( hwnd, msg, wParam, lParam, result, arg );
1585 case WM_SYSDEADCHAR:
1586 case EM_SETPASSWORDCHAR:
1587 ret = callback( hwnd, msg, map_wparam_char_WtoA(wParam,1), lParam, result, arg );
1591 ret = callback( hwnd, msg, map_wparam_char_WtoA(wParam,2), lParam, result, arg );
1594 case WM_PAINTCLIPBOARD:
1595 case WM_SIZECLIPBOARD:
1596 FIXME_(msg)( "message %s (%04x) needs translation, please report\n",
1597 SPY_GetMsgName(msg, hwnd), msg );
1601 ret = callback( hwnd, msg, wParam, lParam, result, arg );
1609 /**********************************************************************
1610 * WINPROC_CallProc16To32A
1612 LRESULT WINPROC_CallProc16To32A( winproc_callback_t callback, HWND16 hwnd, UINT16 msg,
1613 WPARAM16 wParam, LPARAM lParam, LRESULT *result, void *arg )
1616 HWND hwnd32 = WIN_Handle32( hwnd );
1618 TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
1619 hwnd32, SPY_GetMsgName(msg, hwnd32), wParam, lParam);
1626 CREATESTRUCT16 *cs16 = MapSL(lParam);
1628 MDICREATESTRUCTA mdi_cs;
1630 CREATESTRUCT16to32A( cs16, &cs );
1631 if (GetWindowLongW(hwnd32, GWL_EXSTYLE) & WS_EX_MDICHILD)
1633 MDICREATESTRUCT16 *mdi_cs16 = MapSL(cs16->lpCreateParams);
1634 MDICREATESTRUCT16to32A(mdi_cs16, &mdi_cs);
1635 cs.lpCreateParams = &mdi_cs;
1637 ret = callback( hwnd32, msg, wParam, (LPARAM)&cs, result, arg );
1638 CREATESTRUCT32Ato16( &cs, cs16 );
1643 MDICREATESTRUCT16 *cs16 = MapSL(lParam);
1644 MDICREATESTRUCTA cs;
1646 MDICREATESTRUCT16to32A( cs16, &cs );
1647 ret = callback( hwnd32, msg, wParam, (LPARAM)&cs, result, arg );
1648 MDICREATESTRUCT32Ato16( &cs, cs16 );
1651 case WM_MDIACTIVATE:
1653 ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32( HIWORD(lParam) ),
1654 (LPARAM)WIN_Handle32( LOWORD(lParam) ), result, arg );
1655 else /* message sent to MDI client */
1656 ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1658 case WM_MDIGETACTIVE:
1660 BOOL maximized = FALSE;
1661 ret = callback( hwnd32, msg, wParam, (LPARAM)&maximized, result, arg );
1662 *result = MAKELRESULT( LOWORD(*result), maximized );
1666 ret = callback( hwnd32, wParam ? WM_MDIREFRESHMENU : WM_MDISETMENU,
1667 (WPARAM)HMENU_32(LOWORD(lParam)), (LPARAM)HMENU_32(HIWORD(lParam)),
1670 case WM_GETMINMAXINFO:
1672 MINMAXINFO16 *mmi16 = MapSL(lParam);
1675 MINMAXINFO16to32( mmi16, &mmi );
1676 ret = callback( hwnd32, msg, wParam, (LPARAM)&mmi, result, arg );
1677 MINMAXINFO32to16( &mmi, mmi16 );
1680 case WM_WINDOWPOSCHANGING:
1681 case WM_WINDOWPOSCHANGED:
1683 WINDOWPOS16 *winpos16 = MapSL(lParam);
1686 WINDOWPOS16to32( winpos16, &winpos );
1687 ret = callback( hwnd32, msg, wParam, (LPARAM)&winpos, result, arg );
1688 WINDOWPOS32to16( &winpos, winpos16 );
1693 NCCALCSIZE_PARAMS16 *nc16 = MapSL(lParam);
1694 NCCALCSIZE_PARAMS nc;
1697 RECT16to32( &nc16->rgrc[0], &nc.rgrc[0] );
1700 RECT16to32( &nc16->rgrc[1], &nc.rgrc[1] );
1701 RECT16to32( &nc16->rgrc[2], &nc.rgrc[2] );
1702 WINDOWPOS16to32( MapSL(nc16->lppos), &winpos );
1705 ret = callback( hwnd32, msg, wParam, (LPARAM)&nc, result, arg );
1706 RECT32to16( &nc.rgrc[0], &nc16->rgrc[0] );
1709 RECT32to16( &nc.rgrc[1], &nc16->rgrc[1] );
1710 RECT32to16( &nc.rgrc[2], &nc16->rgrc[2] );
1711 WINDOWPOS32to16( &winpos, MapSL(nc16->lppos) );
1715 case WM_COMPAREITEM:
1717 COMPAREITEMSTRUCT16* cis16 = MapSL(lParam);
1718 COMPAREITEMSTRUCT cis;
1719 cis.CtlType = cis16->CtlType;
1720 cis.CtlID = cis16->CtlID;
1721 cis.hwndItem = WIN_Handle32( cis16->hwndItem );
1722 cis.itemID1 = cis16->itemID1;
1723 cis.itemData1 = cis16->itemData1;
1724 cis.itemID2 = cis16->itemID2;
1725 cis.itemData2 = cis16->itemData2;
1726 cis.dwLocaleId = 0; /* FIXME */
1727 ret = callback( hwnd32, msg, wParam, (LPARAM)&cis, result, arg );
1732 DELETEITEMSTRUCT16* dis16 = MapSL(lParam);
1733 DELETEITEMSTRUCT dis;
1734 dis.CtlType = dis16->CtlType;
1735 dis.CtlID = dis16->CtlID;
1736 dis.hwndItem = WIN_Handle32( dis16->hwndItem );
1737 dis.itemData = dis16->itemData;
1738 ret = callback( hwnd32, msg, wParam, (LPARAM)&dis, result, arg );
1741 case WM_MEASUREITEM:
1743 MEASUREITEMSTRUCT16* mis16 = MapSL(lParam);
1744 MEASUREITEMSTRUCT mis;
1745 mis.CtlType = mis16->CtlType;
1746 mis.CtlID = mis16->CtlID;
1747 mis.itemID = mis16->itemID;
1748 mis.itemWidth = mis16->itemWidth;
1749 mis.itemHeight = mis16->itemHeight;
1750 mis.itemData = mis16->itemData;
1751 ret = callback( hwnd32, msg, wParam, (LPARAM)&mis, result, arg );
1752 mis16->itemWidth = (UINT16)mis.itemWidth;
1753 mis16->itemHeight = (UINT16)mis.itemHeight;
1758 DRAWITEMSTRUCT16* dis16 = MapSL(lParam);
1760 dis.CtlType = dis16->CtlType;
1761 dis.CtlID = dis16->CtlID;
1762 dis.itemID = dis16->itemID;
1763 dis.itemAction = dis16->itemAction;
1764 dis.itemState = dis16->itemState;
1765 dis.hwndItem = (dis.CtlType == ODT_MENU) ? (HWND)HMENU_32(dis16->hwndItem)
1766 : WIN_Handle32( dis16->hwndItem );
1767 dis.hDC = HDC_32(dis16->hDC);
1768 dis.itemData = dis16->itemData;
1769 dis.rcItem.left = dis16->rcItem.left;
1770 dis.rcItem.top = dis16->rcItem.top;
1771 dis.rcItem.right = dis16->rcItem.right;
1772 dis.rcItem.bottom = dis16->rcItem.bottom;
1773 ret = callback( hwnd32, msg, wParam, (LPARAM)&dis, result, arg );
1778 COPYDATASTRUCT16 *cds16 = MapSL(lParam);
1780 cds.dwData = cds16->dwData;
1781 cds.cbData = cds16->cbData;
1782 cds.lpData = MapSL(cds16->lpData);
1783 ret = callback( hwnd32, msg, wParam, (LPARAM)&cds, result, arg );
1789 MSG16 *msg16 = MapSL(lParam);
1791 msg32.hwnd = WIN_Handle32( msg16->hwnd );
1792 msg32.message = msg16->message;
1793 msg32.wParam = msg16->wParam;
1794 msg32.lParam = msg16->lParam;
1795 msg32.time = msg16->time;
1796 msg32.pt.x = msg16->pt.x;
1797 msg32.pt.y = msg16->pt.y;
1798 ret = callback( hwnd32, msg, wParam, (LPARAM)&msg32, result, arg );
1801 ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1806 next.hmenuIn = (HMENU)lParam;
1809 ret = callback( hwnd32, msg, wParam, (LPARAM)&next, result, arg );
1810 *result = MAKELONG( HMENU_16(next.hmenuNext), HWND_16(next.hwndNext) );
1817 ret = callback( hwnd32, msg, MAKEWPARAM( wParam, HIWORD(lParam) ),
1818 (LPARAM)WIN_Handle32( LOWORD(lParam) ), result, arg );
1822 ret = callback( hwnd32, msg, MAKEWPARAM( wParam, LOWORD(lParam) ),
1823 (LPARAM)WIN_Handle32( HIWORD(lParam) ), result, arg );
1826 if (HIWORD(lParam) <= CTLCOLOR_STATIC)
1827 ret = callback( hwnd32, WM_CTLCOLORMSGBOX + HIWORD(lParam),
1828 (WPARAM)HDC_32(wParam), (LPARAM)WIN_Handle32( LOWORD(lParam) ),
1833 case WM_WININICHANGE:
1834 case WM_DEVMODECHANGE:
1835 case WM_ASKCBFORMATNAME:
1837 ret = callback( hwnd32, msg, wParam, (LPARAM)MapSL(lParam), result, arg );
1840 ret = callback( hwnd32, msg, MAKEWPARAM( wParam, LOWORD(lParam) ),
1841 (LPARAM)HMENU_32(HIWORD(lParam)), result, arg );
1844 if((LOWORD(lParam) & MF_POPUP) && (LOWORD(lParam) != 0xFFFF))
1846 HMENU hmenu = HMENU_32(HIWORD(lParam));
1847 UINT pos = MENU_FindSubMenu( &hmenu, HMENU_32(wParam) );
1848 if (pos == 0xffff) pos = 0; /* NO_SELECTED_ITEM */
1851 ret = callback( hwnd32, msg, MAKEWPARAM( wParam, LOWORD(lParam) ),
1852 (LPARAM)HMENU_32(HIWORD(lParam)), result, arg );
1854 case WM_PARENTNOTIFY:
1855 if ((wParam == WM_CREATE) || (wParam == WM_DESTROY))
1856 ret = callback( hwnd32, msg, MAKEWPARAM( wParam, HIWORD(lParam) ),
1857 (LPARAM)WIN_Handle32( LOWORD(lParam) ), result, arg );
1859 ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1861 case WM_ACTIVATEAPP:
1862 /* We need this when SetActiveWindow sends a Sendmessage16() to
1863 * a 32bit window. Might be superflous with 32bit interprocess
1864 * message queues. */
1865 ret = callback( hwnd32, msg, wParam, HTASK_32(lParam), result, arg );
1867 case WM_DDE_INITIATE:
1868 case WM_DDE_TERMINATE:
1869 case WM_DDE_UNADVISE:
1870 case WM_DDE_REQUEST:
1871 ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32(wParam), lParam, result, arg );
1877 HANDLE16 lo16 = LOWORD(lParam);
1879 if (lo16 && !(lo32 = convert_handle_16_to_32(lo16, GMEM_DDESHARE))) break;
1880 lParam = PackDDElParam( msg, lo32, HIWORD(lParam) );
1881 ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32(wParam), lParam, result, arg );
1883 break; /* FIXME don't know how to free allocated memory (handle) !! */
1886 UINT lo = LOWORD(lParam);
1887 UINT hi = HIWORD(lParam);
1891 if (GlobalGetAtomNameA(hi, buf, 2) > 0) flag |= 1;
1892 if (GlobalSize16(hi) != 0) flag |= 2;
1898 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
1903 break; /* atom, nothing to do */
1905 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
1908 hi = convert_handle_16_to_32(hi, GMEM_DDESHARE);
1911 lParam = PackDDElParam( WM_DDE_ACK, lo, hi );
1912 ret = callback( hwnd32, msg, (WPARAM)WIN_Handle32(wParam), lParam, result, arg );
1914 break; /* FIXME don't know how to free allocated memory (handle) !! */
1915 case WM_DDE_EXECUTE:
1916 lParam = convert_handle_16_to_32( lParam, GMEM_DDESHARE );
1917 ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1918 break; /* FIXME don't know how to free allocated memory (handle) !! */
1919 case WM_PAINTCLIPBOARD:
1920 case WM_SIZECLIPBOARD:
1921 FIXME_(msg)( "message %04x needs translation\n", msg );
1924 ret = callback( hwnd32, msg, wParam, lParam, result, arg );
1931 /**********************************************************************
1932 * __wine_call_wndproc (USER.1010)
1934 LRESULT WINAPI __wine_call_wndproc( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
1940 WINPROC_CallProc16To32A( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
1942 WINPROC_CallProc16To32A( call_window_proc_AtoW, hwnd, msg, wParam, lParam, &result, proc->procW );
1947 /**********************************************************************
1948 * WINPROC_CallProc32ATo16
1950 * Call a 16-bit window procedure, translating the 32-bit args.
1952 LRESULT WINPROC_CallProc32ATo16( winproc_callback16_t callback, HWND hwnd, UINT msg,
1953 WPARAM wParam, LPARAM lParam, LRESULT *result, void *arg )
1957 TRACE_(msg)("(hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
1958 hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
1965 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)lParam;
1967 MDICREATESTRUCT16 mdi_cs16;
1968 BOOL mdi_child = (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD);
1970 CREATESTRUCT32Ato16( cs32, &cs );
1971 cs.lpszName = MapLS( cs32->lpszName );
1972 cs.lpszClass = MapLS( cs32->lpszClass );
1976 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)cs32->lpCreateParams;
1977 MDICREATESTRUCT32Ato16( mdi_cs, &mdi_cs16 );
1978 mdi_cs16.szTitle = MapLS( mdi_cs->szTitle );
1979 mdi_cs16.szClass = MapLS( mdi_cs->szClass );
1980 cs.lpCreateParams = MapLS( &mdi_cs16 );
1982 lParam = MapLS( &cs );
1983 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
1985 UnMapLS( cs.lpszName );
1986 UnMapLS( cs.lpszClass );
1989 UnMapLS( cs.lpCreateParams );
1990 UnMapLS( mdi_cs16.szTitle );
1991 UnMapLS( mdi_cs16.szClass );
1997 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)lParam;
1998 MDICREATESTRUCT16 cs;
2000 MDICREATESTRUCT32Ato16( cs32, &cs );
2001 cs.szTitle = MapLS( cs32->szTitle );
2002 cs.szClass = MapLS( cs32->szClass );
2003 lParam = MapLS( &cs );
2004 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2006 UnMapLS( cs.szTitle );
2007 UnMapLS( cs.szClass );
2010 case WM_MDIACTIVATE:
2011 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
2012 ret = callback( HWND_16(hwnd), msg, ((HWND)lParam == hwnd),
2013 MAKELPARAM( LOWORD(lParam), LOWORD(wParam) ), result, arg );
2015 ret = callback( HWND_16(hwnd), msg, HWND_16( (HWND)wParam ), 0, result, arg );
2017 case WM_MDIGETACTIVE:
2018 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2019 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(*result);
2020 *result = (LRESULT)WIN_Handle32( LOWORD(*result) );
2023 ret = callback( HWND_16(hwnd), msg, (lParam == 0),
2024 MAKELPARAM( LOWORD(wParam), LOWORD(lParam) ), result, arg );
2026 case WM_GETMINMAXINFO:
2028 MINMAXINFO *mmi32 = (MINMAXINFO *)lParam;
2031 MINMAXINFO32to16( mmi32, &mmi );
2032 lParam = MapLS( &mmi );
2033 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2035 MINMAXINFO16to32( &mmi, mmi32 );
2040 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)lParam;
2041 NCCALCSIZE_PARAMS16 nc;
2044 RECT32to16( &nc32->rgrc[0], &nc.rgrc[0] );
2047 RECT32to16( &nc32->rgrc[1], &nc.rgrc[1] );
2048 RECT32to16( &nc32->rgrc[2], &nc.rgrc[2] );
2049 WINDOWPOS32to16( nc32->lppos, &winpos );
2050 nc.lppos = MapLS( &winpos );
2052 lParam = MapLS( &nc );
2053 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2055 RECT16to32( &nc.rgrc[0], &nc32->rgrc[0] );
2058 RECT16to32( &nc.rgrc[1], &nc32->rgrc[1] );
2059 RECT16to32( &nc.rgrc[2], &nc32->rgrc[2] );
2060 WINDOWPOS16to32( &winpos, nc32->lppos );
2061 UnMapLS( nc.lppos );
2065 case WM_WINDOWPOSCHANGING:
2066 case WM_WINDOWPOSCHANGED:
2068 WINDOWPOS *winpos32 = (WINDOWPOS *)lParam;
2071 WINDOWPOS32to16( winpos32, &winpos );
2072 lParam = MapLS( &winpos );
2073 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2075 WINDOWPOS16to32( &winpos, winpos32 );
2078 case WM_COMPAREITEM:
2080 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)lParam;
2081 COMPAREITEMSTRUCT16 cis;
2082 cis.CtlType = cis32->CtlType;
2083 cis.CtlID = cis32->CtlID;
2084 cis.hwndItem = HWND_16( cis32->hwndItem );
2085 cis.itemID1 = cis32->itemID1;
2086 cis.itemData1 = cis32->itemData1;
2087 cis.itemID2 = cis32->itemID2;
2088 cis.itemData2 = cis32->itemData2;
2089 lParam = MapLS( &cis );
2090 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2096 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)lParam;
2097 DELETEITEMSTRUCT16 dis;
2098 dis.CtlType = dis32->CtlType;
2099 dis.CtlID = dis32->CtlID;
2100 dis.itemID = dis32->itemID;
2101 dis.hwndItem = (dis.CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
2102 : HWND_16( dis32->hwndItem );
2103 dis.itemData = dis32->itemData;
2104 lParam = MapLS( &dis );
2105 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2111 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)lParam;
2112 DRAWITEMSTRUCT16 dis;
2113 dis.CtlType = dis32->CtlType;
2114 dis.CtlID = dis32->CtlID;
2115 dis.itemID = dis32->itemID;
2116 dis.itemAction = dis32->itemAction;
2117 dis.itemState = dis32->itemState;
2118 dis.hwndItem = HWND_16( dis32->hwndItem );
2119 dis.hDC = HDC_16(dis32->hDC);
2120 dis.itemData = dis32->itemData;
2121 dis.rcItem.left = dis32->rcItem.left;
2122 dis.rcItem.top = dis32->rcItem.top;
2123 dis.rcItem.right = dis32->rcItem.right;
2124 dis.rcItem.bottom = dis32->rcItem.bottom;
2125 lParam = MapLS( &dis );
2126 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2130 case WM_MEASUREITEM:
2132 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)lParam;
2133 MEASUREITEMSTRUCT16 mis;
2134 mis.CtlType = mis32->CtlType;
2135 mis.CtlID = mis32->CtlID;
2136 mis.itemID = mis32->itemID;
2137 mis.itemWidth = mis32->itemWidth;
2138 mis.itemHeight = mis32->itemHeight;
2139 mis.itemData = mis32->itemData;
2140 lParam = MapLS( &mis );
2141 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2143 mis32->itemWidth = mis.itemWidth;
2144 mis32->itemHeight = mis.itemHeight;
2149 COPYDATASTRUCT *cds32 = (COPYDATASTRUCT *)lParam;
2150 COPYDATASTRUCT16 cds;
2152 cds.dwData = cds32->dwData;
2153 cds.cbData = cds32->cbData;
2154 cds.lpData = MapLS( cds32->lpData );
2155 lParam = MapLS( &cds );
2156 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2158 UnMapLS( cds.lpData );
2164 MSG *msg32 = (MSG *)lParam;
2167 msg16.hwnd = HWND_16( msg32->hwnd );
2168 msg16.message = msg32->message;
2169 msg16.wParam = msg32->wParam;
2170 msg16.lParam = msg32->lParam;
2171 msg16.time = msg32->time;
2172 msg16.pt.x = msg32->pt.x;
2173 msg16.pt.y = msg32->pt.y;
2174 lParam = MapLS( &msg16 );
2175 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2179 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2183 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
2184 ret = callback( HWND_16(hwnd), msg, wParam, (LPARAM)next->hmenuIn, result, arg );
2185 next->hmenuNext = HMENU_32( LOWORD(*result) );
2186 next->hwndNext = WIN_Handle32( HIWORD(*result) );
2191 case WM_ASKCBFORMATNAME:
2192 wParam = min( wParam, 0xff80 ); /* Must be < 64K */
2196 case WM_WININICHANGE:
2197 case WM_DEVMODECHANGE:
2198 lParam = MapLS( (void *)lParam );
2199 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2202 case WM_DDE_INITIATE:
2203 case WM_DDE_TERMINATE:
2204 case WM_DDE_UNADVISE:
2205 case WM_DDE_REQUEST:
2206 ret = callback( HWND_16(hwnd), msg, HWND_16((HWND)wParam), lParam, result, arg );
2215 UnpackDDElParam( msg, lParam, &lo32, &hi );
2216 if (lo32 && !(lo16 = convert_handle_32_to_16(lo32, GMEM_DDESHARE))) break;
2217 ret = callback( HWND_16(hwnd), msg, HWND_16((HWND)wParam),
2218 MAKELPARAM(lo16, hi), result, arg );
2220 break; /* FIXME don't know how to free allocated memory (handle) !! */
2227 UnpackDDElParam( msg, lParam, &lo, &hi );
2229 if (GlobalGetAtomNameA((ATOM)hi, buf, sizeof(buf)) > 0) flag |= 1;
2230 if (GlobalSize((HANDLE)hi) != 0) flag |= 2;
2236 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
2241 break; /* atom, nothing to do */
2243 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
2246 hi = convert_handle_32_to_16(hi, GMEM_DDESHARE);
2249 ret = callback( HWND_16(hwnd), msg, HWND_16((HWND)wParam),
2250 MAKELPARAM(lo, hi), result, arg );
2252 break; /* FIXME don't know how to free allocated memory (handle) !! */
2253 case WM_DDE_EXECUTE:
2254 lParam = convert_handle_32_to_16(lParam, GMEM_DDESHARE);
2255 ret = callback( HWND_16(hwnd), msg, wParam, lParam, result, arg );
2256 break; /* FIXME don't know how to free allocated memory (handle) !! */
2261 LPARAM lParam16 = lParam;
2262 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam, &msg16, &wParam16, &lParam16 ) != -1)
2264 ret = callback( HWND_16(hwnd), msg16, wParam16, lParam16, result, arg );
2265 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, wParam16, lParam16, result );
2274 /**********************************************************************
2275 * CallWindowProc (USER.122)
2277 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2278 WPARAM16 wParam, LPARAM lParam )
2283 if (!func) return 0;
2285 if (!(proc = handle16_to_proc( func )))
2286 call_window_proc16( hwnd, msg, wParam, lParam, &result, func );
2287 else if (proc->procA)
2288 WINPROC_CallProc16To32A( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
2289 else if (proc->procW)
2290 WINPROC_CallProc16To32A( call_window_proc_AtoW, hwnd, msg, wParam, lParam, &result, proc->procW );
2292 call_window_proc16( hwnd, msg, wParam, lParam, &result, proc->proc16 );
2298 /**********************************************************************
2299 * CallWindowProcA (USER32.@)
2301 * The CallWindowProc() function invokes the windows procedure _func_,
2302 * with _hwnd_ as the target window, the message specified by _msg_, and
2303 * the message parameters _wParam_ and _lParam_.
2305 * Some kinds of argument conversion may be done, I'm not sure what.
2307 * CallWindowProc() may be used for windows subclassing. Use
2308 * SetWindowLong() to set a new windows procedure for windows of the
2309 * subclass, and handle subclassed messages in the new windows
2310 * procedure. The new windows procedure may then use CallWindowProc()
2311 * with _func_ set to the parent class's windows procedure to dispatch
2312 * the message to the superclass.
2316 * The return value is message dependent.
2322 LRESULT WINAPI CallWindowProcA(
2323 WNDPROC func, /* [in] window procedure */
2324 HWND hwnd, /* [in] target window */
2325 UINT msg, /* [in] message */
2326 WPARAM wParam, /* [in] message dependent parameter */
2327 LPARAM lParam /* [in] message dependent parameter */
2332 if (!func) return 0;
2334 if (!(proc = handle_to_proc( func )))
2335 call_window_proc( hwnd, msg, wParam, lParam, &result, func );
2336 else if (proc->procA)
2337 call_window_proc( hwnd, msg, wParam, lParam, &result, proc->procA );
2338 else if (proc->procW)
2339 WINPROC_CallProcAtoW( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procW );
2341 WINPROC_CallProc32ATo16( call_window_proc16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2346 /**********************************************************************
2347 * CallWindowProcW (USER32.@)
2349 * See CallWindowProcA.
2351 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
2352 WPARAM wParam, LPARAM lParam )
2357 if (!func) return 0;
2359 if (!(proc = handle_to_proc( func )))
2360 call_window_proc( hwnd, msg, wParam, lParam, &result, func );
2361 else if (proc->procW)
2362 call_window_proc( hwnd, msg, wParam, lParam, &result, proc->procW );
2363 else if (proc->procA)
2364 WINPROC_CallProcWtoA( call_window_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
2366 WINPROC_CallProcWtoA( call_window_proc_Ato16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2371 /**********************************************************************
2372 * WINPROC_CallDlgProc16
2374 INT_PTR WINPROC_CallDlgProc16( DLGPROC16 func, HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam )
2380 if (!func) return 0;
2382 if (!(proc = handle16_to_proc( (WNDPROC16)func )))
2384 ret = call_dialog_proc16( hwnd, msg, wParam, lParam, &result, func );
2386 else if (proc->procA)
2388 ret = WINPROC_CallProc16To32A( call_dialog_proc, hwnd, msg, wParam, lParam,
2389 &result, proc->procA );
2390 SetWindowLongPtrW( WIN_Handle32(hwnd), DWLP_MSGRESULT, result );
2392 else if (proc->procW)
2394 ret = WINPROC_CallProc16To32A( call_dialog_proc_AtoW, hwnd, msg, wParam, lParam,
2395 &result, proc->procW );
2396 SetWindowLongPtrW( WIN_Handle32(hwnd), DWLP_MSGRESULT, result );
2400 ret = call_dialog_proc16( hwnd, msg, wParam, lParam, &result, proc->proc16 );
2406 /**********************************************************************
2407 * WINPROC_CallDlgProcA
2409 INT_PTR WINPROC_CallDlgProcA( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
2415 if (!func) return 0;
2417 if (!(proc = handle_to_proc( (WNDPROC)func )))
2418 ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
2419 else if (proc->procA)
2420 ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procA );
2421 else if (proc->procW)
2423 ret = WINPROC_CallProcAtoW( call_dialog_proc, hwnd, msg, wParam, lParam, &result, proc->procW );
2424 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
2428 ret = WINPROC_CallProc32ATo16( call_dialog_proc16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2429 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
2435 /**********************************************************************
2436 * WINPROC_CallDlgProcW
2438 INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
2444 if (!func) return 0;
2446 if (!(proc = handle_to_proc( (WNDPROC)func )))
2447 ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, func );
2448 else if (proc->procW)
2449 ret = call_dialog_proc( hwnd, msg, wParam, lParam, &result, proc->procW );
2450 else if (proc->procA)
2452 ret = WINPROC_CallProcWtoA( call_dialog_proc, hwnd, msg, wParam, lParam, &result, proc->procA );
2453 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
2457 ret = WINPROC_CallProcWtoA( call_dialog_proc_Ato16, hwnd, msg, wParam, lParam, &result, proc->proc16 );
2458 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );