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Properly translate the message result for WM_GETTEXT-style messages.
[wine/multimedia.git] / windows / winproc.c
blobeee3c853b63bdb8b986a3e4e011cd25252ae10ee
1 /*
2 * Window procedure callbacks
3 *
4 * Copyright 1995 Martin von Loewis
5 * Copyright 1996 Alexandre Julliard
6 *
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.
11 *
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.
16 *
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
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <string.h>
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "wingdi.h"
31 #include "wownt32.h"
32 #include "wine/winbase16.h"
33 #include "wine/winuser16.h"
34 #include "stackframe.h"
35 #include "controls.h"
36 #include "heap.h"
37 #include "struct32.h"
38 #include "win.h"
39 #include "winproc.h"
40 #include "message.h"
41 #include "thread.h"
42 #include "dde.h"
43 #include "winternl.h"
44 #include "wine/unicode.h"
45 #include "wine/debug.h"
46
47 WINE_DECLARE_DEBUG_CHANNEL(msg);
48 WINE_DECLARE_DEBUG_CHANNEL(relay);
49 WINE_DEFAULT_DEBUG_CHANNEL(win);
50
51 #include "pshpack1.h"
52
53 /* Window procedure 16-to-32-bit thunk */
54 typedef struct
55 {
56 BYTE popl_eax; /* popl %eax (return address) */
57 BYTE pushl_func; /* pushl $proc */
58 WNDPROC proc;
59 BYTE pushl_eax; /* pushl %eax */
60 BYTE ljmp; /* ljmp relay*/
61 DWORD relay_offset; /* __wine_call_wndproc_32A/W */
62 WORD relay_sel;
63 } WINPROC_THUNK_FROM16;
64
65 /* Window procedure 32-to-16-bit thunk */
66 typedef struct
67 {
68 BYTE popl_eax; /* popl %eax (return address) */
69 BYTE pushl_func; /* pushl $proc */
70 WNDPROC16 proc;
71 BYTE pushl_eax; /* pushl %eax */
72 BYTE jmp; /* jmp relay (relative jump)*/
73 void (*relay)(); /* WINPROC_CallProc32ATo16() */
74 } WINPROC_THUNK_FROM32;
75
76 /* Simple jmp to call 32-bit procedure directly */
77 typedef struct
78 {
79 BYTE jmp; /* jmp proc (relative jump) */
80 WNDPROC proc;
81 } WINPROC_JUMP;
82 #include "poppack.h"
83
84 typedef union
85 {
86 WINPROC_THUNK_FROM16 t_from16;
87 WINPROC_THUNK_FROM32 t_from32;
88 } WINPROC_THUNK;
89
90 typedef struct tagWINDOWPROC
91 {
92 WINPROC_THUNK thunk; /* Thunk */
93 WINPROC_JUMP jmp; /* Jump */
94 struct tagWINDOWPROC *next; /* Next window proc */
95 UINT magic; /* Magic number */
96 WINDOWPROCTYPE type; /* Function type */
97 WINDOWPROCUSER user; /* Function user */
98 } WINDOWPROC;
99
100 #define WINPROC_MAGIC ('W' | ('P' << 8) | ('R' << 16) | ('C' << 24))
101
102 #define WINPROC_THUNKPROC(pproc) \
103 (((pproc)->type == WIN_PROC_16) ? \
104 (WNDPROC16)((pproc)->thunk.t_from32.proc) : \
105 (WNDPROC16)((pproc)->thunk.t_from16.proc))
106
107 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
108 UINT msg, WPARAM wParam,
109 LPARAM lParam );
110 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
111 UINT msg, WPARAM wParam,
112 LPARAM lParam );
113
114 #define MAX_WINPROCS (0x10000 / sizeof(WINDOWPROC))
115
116 static WINDOWPROC winproc_array[MAX_WINPROCS];
117 static WINDOWPROC *winproc_first_free;
118 static UINT winproc_used;
119
120 static CRITICAL_SECTION winproc_cs;
121 static CRITICAL_SECTION_DEBUG critsect_debug =
122 {
123 0, 0, &winproc_cs,
124 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
125 0, 0, { 0, (DWORD)(__FILE__ ": winproc_cs") }
126 };
127 static CRITICAL_SECTION winproc_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
128
129 /* allocate a window procedure from the global array */
130 static WINDOWPROC *alloc_winproc(void)
131 {
132 WINDOWPROC *ret = NULL;
133
134 EnterCriticalSection( &winproc_cs );
135 if ((ret = winproc_first_free))
136 winproc_first_free = ret->next;
137 else if (winproc_used < MAX_WINPROCS)
138 ret = &winproc_array[winproc_used++];
139 LeaveCriticalSection( &winproc_cs );
140 return ret;
141 }
142
143 static void free_winproc( WINDOWPROC *proc )
144 {
145 EnterCriticalSection( &winproc_cs );
146 proc->magic = 0;
147 proc->next = winproc_first_free;
148 winproc_first_free = proc;
149 LeaveCriticalSection( &winproc_cs );
150 }
151
152 static BOOL is_valid_winproc( WINDOWPROC *proc )
153 {
154 if (proc < winproc_array || proc >= winproc_array + MAX_WINPROCS) return FALSE;
155 if (proc != winproc_array + (proc - winproc_array)) return FALSE;
156 return (proc->magic == WINPROC_MAGIC);
157 }
158
159 static WORD get_winproc_selector(void)
160 {
161 static LONG winproc_selector;
162 WORD ret;
163
164 if (!(ret = winproc_selector))
165 {
166 LDT_ENTRY entry;
167 WORD sel = wine_ldt_alloc_entries(1);
168 wine_ldt_set_base( &entry, winproc_array );
169 wine_ldt_set_limit( &entry, sizeof(winproc_array) - 1 );
170 wine_ldt_set_flags( &entry, WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
171 wine_ldt_set_entry( sel, &entry );
172 if (!(ret = InterlockedCompareExchange( &winproc_selector, sel, 0 ))) ret = sel;
173 else wine_ldt_free_entries( sel, 1 ); /* somebody beat us to it */
174 }
175 return ret;
176 }
177
178
179 #ifdef __i386__
180 /* Some window procedures modify register they shouldn't, or are not
181 * properly declared stdcall; so we need a small assembly wrapper to
182 * call them. */
183 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
184 WPARAM wParam, LPARAM lParam );
185 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
186 "pushl %ebp\n\t"
187 "movl %esp,%ebp\n\t"
188 "pushl %edi\n\t"
189 "pushl %esi\n\t"
190 "pushl %ebx\n\t"
191 "pushl 24(%ebp)\n\t"
192 "pushl 20(%ebp)\n\t"
193 "pushl 16(%ebp)\n\t"
194 "pushl 12(%ebp)\n\t"
195 "movl 8(%ebp),%eax\n\t"
196 "call *%eax\n\t"
197 "leal -12(%ebp),%esp\n\t"
198 "popl %ebx\n\t"
199 "popl %esi\n\t"
200 "popl %edi\n\t"
201 "leave\n\t"
202 "ret" );
203 #else
204 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
205 WPARAM wParam, LPARAM lParam )
206 {
207 return proc( hwnd, msg, wParam, lParam );
208 }
209 #endif /* __i386__ */
210
211 /**********************************************************************
212 * WINPROC_CallWndProc32
213 *
214 * Call a 32-bit WndProc.
215 */
216 static LRESULT WINPROC_CallWndProc( WNDPROC proc, HWND hwnd, UINT msg,
217 WPARAM wParam, LPARAM lParam )
218 {
219 LRESULT retvalue;
220 int iWndsLocks;
221
222 hwnd = WIN_GetFullHandle( hwnd );
223 if (TRACE_ON(relay))
224 DPRINTF( "%04lx:Call window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
225 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam );
226 /* To avoid any deadlocks, all the locks on the windows structures
227 must be suspended before the control is passed to the application */
228 iWndsLocks = WIN_SuspendWndsLock();
229 retvalue = WINPROC_wrapper( proc, hwnd, msg, wParam, lParam );
230 WIN_RestoreWndsLock(iWndsLocks);
231
232 if (TRACE_ON(relay))
233 DPRINTF( "%04lx:Ret window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx) retval=%08lx\n",
234 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam, retvalue );
235 return retvalue;
236 }
237
238 /***********************************************************************
239 * WINPROC_CallWndProc16
240 *
241 * Call a 16-bit window procedure
242 */
243 static LRESULT WINAPI WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd,
244 UINT16 msg, WPARAM16 wParam,
245 LPARAM lParam )
246 {
247 CONTEXT86 context;
248 LRESULT ret;
249 WORD args[5];
250 DWORD offset = 0;
251 TEB *teb = NtCurrentTeb();
252 int iWndsLocks;
253
254 /* Window procedures want ax = hInstance, ds = es = ss */
255
256 memset(&context, 0, sizeof(context));
257 context.SegDs = context.SegEs = SELECTOROF(teb->cur_stack);
258 context.SegFs = wine_get_fs();
259 context.SegGs = wine_get_gs();
260 if (!(context.Eax = GetWindowWord( HWND_32(hwnd), GWL_HINSTANCE ))) context.Eax = context.SegDs;
261 context.SegCs = SELECTOROF(proc);
262 context.Eip = OFFSETOF(proc);
263 context.Ebp = OFFSETOF(teb->cur_stack)
264 + (WORD)&((STACK16FRAME*)0)->bp;
265
266 if (lParam)
267 {
268 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
269 work if structures passed in lParam are placed in the stack/data
270 segment. Programmers easily make the mistake of converting lParam
271 to a near rather than a far pointer, since Windows apparently
272 allows this. We copy the structures to the 16 bit stack; this is
273 ugly but makes these programs work. */
274 switch (msg)
275 {
276 case WM_CREATE:
277 case WM_NCCREATE:
278 offset = sizeof(CREATESTRUCT16); break;
279 case WM_DRAWITEM:
280 offset = sizeof(DRAWITEMSTRUCT16); break;
281 case WM_COMPAREITEM:
282 offset = sizeof(COMPAREITEMSTRUCT16); break;
283 }
284 if (offset)
285 {
286 void *s = MapSL(lParam);
287 lParam = stack16_push( offset );
288 memcpy( MapSL(lParam), s, offset );
289 }
290 }
291
292 iWndsLocks = WIN_SuspendWndsLock();
293
294 args[4] = hwnd;
295 args[3] = msg;
296 args[2] = wParam;
297 args[1] = HIWORD(lParam);
298 args[0] = LOWORD(lParam);
299 WOWCallback16Ex( 0, WCB16_REGS, sizeof(args), args, (DWORD *)&context );
300 ret = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
301
302 if (offset) stack16_pop( offset );
303
304 WIN_RestoreWndsLock(iWndsLocks);
305
306 return ret;
307 }
308
309
310 /**********************************************************************
311 * WINPROC_GetPtr
312 *
313 * Return a pointer to the win proc.
314 */
315 static WINDOWPROC *WINPROC_GetPtr( WNDPROC handle )
316 {
317 BYTE *ptr;
318 WINDOWPROC *proc;
319
320 /* ptr cannot be < 64K */
321 if (!HIWORD(handle)) return NULL;
322
323 /* Check for a linear pointer */
324
325 ptr = (BYTE *)handle;
326 /* First check if it is the jmp address */
327 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->jmp);
328 if (is_valid_winproc(proc)) return proc;
329
330 /* Now it must be the thunk address */
331 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
332 if (is_valid_winproc(proc)) return proc;
333
334 /* Check for a segmented pointer */
335
336 if (!IsBadReadPtr16( (SEGPTR)handle, sizeof(proc->thunk) ))
337 {
338 ptr = MapSL( (SEGPTR)handle );
339 /* It must be the thunk address */
340 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
341 if (is_valid_winproc(proc)) return proc;
342 }
343
344 return NULL;
345 }
346
347
348 /**********************************************************************
349 * WINPROC_AllocWinProc
350 *
351 * Allocate a new window procedure.
352 */
353 static WINDOWPROC *WINPROC_AllocWinProc( WNDPROC func, WINDOWPROCTYPE type,
354 WINDOWPROCUSER user )
355 {
356 static FARPROC16 relay_32A, relay_32W;
357
358 WINDOWPROC *proc, *oldproc;
359
360 /* Allocate a window procedure */
361
362 if (!(proc = alloc_winproc())) return 0;
363
364 /* Check if the function is already a win proc */
365
366 if ((oldproc = WINPROC_GetPtr( func )))
367 {
368 *proc = *oldproc;
369 }
370 else
371 {
372 switch(type)
373 {
374 case WIN_PROC_16:
375 proc->thunk.t_from32.popl_eax = 0x58; /* popl %eax */
376 proc->thunk.t_from32.pushl_func = 0x68; /* pushl $proc */
377 proc->thunk.t_from32.proc = (WNDPROC16)func;
378 proc->thunk.t_from32.pushl_eax = 0x50; /* pushl %eax */
379 proc->thunk.t_from32.jmp = 0xe9; /* jmp relay*/
380 proc->thunk.t_from32.relay = /* relative jump */
381 (void(*)())((DWORD)WINPROC_CallProc32ATo16 -
382 (DWORD)(&proc->thunk.t_from32.relay + 1));
383 break;
384 case WIN_PROC_32A:
385 if (!relay_32A) relay_32A = GetProcAddress16( GetModuleHandle16("user"),
386 "__wine_call_wndproc_32A" );
387 proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */
388 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
389 proc->thunk.t_from16.proc = func;
390 proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */
391 proc->thunk.t_from16.ljmp = 0xea; /* ljmp relay*/
392 proc->thunk.t_from16.relay_offset = OFFSETOF(relay_32A);
393 proc->thunk.t_from16.relay_sel = SELECTOROF(relay_32A);
394 proc->jmp.jmp = 0xe9;
395 /* Fixup relative jump */
396 proc->jmp.proc = (WNDPROC)((DWORD)func - (DWORD)(&proc->jmp.proc + 1));
397 break;
398 case WIN_PROC_32W:
399 if (!relay_32W) relay_32W = GetProcAddress16( GetModuleHandle16("user"),
400 "__wine_call_wndproc_32W" );
401 proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */
402 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
403 proc->thunk.t_from16.proc = func;
404 proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */
405 proc->thunk.t_from16.ljmp = 0xea; /* ljmp relay*/
406 proc->thunk.t_from16.relay_offset = OFFSETOF(relay_32W);
407 proc->thunk.t_from16.relay_sel = SELECTOROF(relay_32W);
408 proc->jmp.jmp = 0xe9;
409 /* Fixup relative jump */
410 proc->jmp.proc = (WNDPROC)((char *)func - (char *)(&proc->jmp.proc + 1));
411 break;
412 default:
413 /* Should not happen */
414 break;
415 }
416 proc->magic = WINPROC_MAGIC;
417 proc->type = type;
418 proc->user = user;
419 }
420 proc->next = NULL;
421 TRACE("(%p,%d): returning %p\n", func, type, proc );
422 return proc;
423 }
424
425
426 /**********************************************************************
427 * WINPROC_GetProc
428 *
429 * Get a window procedure pointer that can be passed to the Windows program.
430 */
431 WNDPROC16 WINPROC_GetProc( WNDPROC proc, WINDOWPROCTYPE type )
432 {
433 WINDOWPROC *ptr = (WINDOWPROC *)proc;
434
435 if (!proc) return NULL;
436 if (type == WIN_PROC_16) /* We want a 16:16 address */
437 {
438 if (ptr->type == WIN_PROC_16)
439 return ptr->thunk.t_from32.proc;
440 else
441 return (WNDPROC16)MAKESEGPTR( get_winproc_selector(),
442 (char *)&ptr->thunk - (char *)winproc_array );
443 }
444 else /* We want a 32-bit address */
445 {
446 if (ptr->type == WIN_PROC_16)
447 return (WNDPROC16)&ptr->thunk;
448 else if (type != ptr->type)
449 /* Have to return the jmp address if types don't match */
450 return (WNDPROC16)&ptr->jmp;
451 else
452 /* Some Win16 programs want to get back the proc they set */
453 return (WNDPROC16)ptr->thunk.t_from16.proc;
454 }
455 }
456
457
458 /**********************************************************************
459 * WINPROC_SetProc
460 *
461 * Set the window procedure for a window or class. There are
462 * three tree classes of winproc callbacks:
463 *
464 * 1) class -> wp - not subclassed
465 * class -> wp -> wp -> wp -> wp - SetClassLong()
466 * / /
467 * 2) window -' / - not subclassed
468 * window -> wp -> wp ' - SetWindowLong()
469 *
470 * 3) timer -> wp - SetTimer()
471 *
472 * Initially, winproc of the window points to the current winproc
473 * thunk of its class. Subclassing prepends a new thunk to the
474 * window winproc chain at the head of the list. Thus, window thunk
475 * list includes class thunks and the latter are preserved when the
476 * window is destroyed.
477 *
478 */
479 BOOL WINPROC_SetProc( WNDPROC *pFirst, WNDPROC func,
480 WINDOWPROCTYPE type, WINDOWPROCUSER user )
481 {
482 BOOL bRecycle = FALSE;
483 WINDOWPROC *proc, **ppPrev;
484
485 /* Check if function is already in the list */
486
487 ppPrev = (WINDOWPROC **)pFirst;
488 proc = WINPROC_GetPtr( func );
489 while (*ppPrev)
490 {
491 if (proc)
492 {
493 if (*ppPrev == proc)
494 {
495 if ((*ppPrev)->user != user)
496 {
497 /* terminal thunk is being restored */
498
499 WINPROC_FreeProc( *pFirst, (*ppPrev)->user );
500 *(WINDOWPROC **)pFirst = *ppPrev;
501 return TRUE;
502 }
503 bRecycle = TRUE;
504 break;
505 }
506 }
507 else
508 {
509 if (((*ppPrev)->type == type) &&
510 (func == (WNDPROC)WINPROC_THUNKPROC(*ppPrev)))
511 {
512 if((*ppPrev)->user == user)
513 {
514 bRecycle = TRUE;
515 }
516 else
517 {
518 WINPROC_FreeProc( (WNDPROC)*ppPrev, user );
519 *ppPrev = NULL;
520 }
521 break;
522 }
523 }
524
525 /* WPF_CLASS thunk terminates window thunk list */
526 if ((*ppPrev)->user != user) break;
527 ppPrev = &(*ppPrev)->next;
528 }
529
530 if (bRecycle)
531 {
532 /* Extract this thunk from the list */
533 proc = *ppPrev;
534 *ppPrev = proc->next;
535 }
536 else /* Allocate a new one */
537 {
538 if (proc) /* Was already a win proc */
539 {
540 type = proc->type;
541 func = (WNDPROC)WINPROC_THUNKPROC(proc);
542 }
543 proc = WINPROC_AllocWinProc( func, type, user );
544 if (!proc) return FALSE;
545 }
546
547 /* Add the win proc at the head of the list */
548
549 TRACE("(%p,%p,%d): res=%p\n", *pFirst, func, type, proc );
550 proc->next = *(WINDOWPROC **)pFirst;
551 *(WINDOWPROC **)pFirst = proc;
552 return TRUE;
553 }
554
555
556 /**********************************************************************
557 * WINPROC_FreeProc
558 *
559 * Free a list of win procs.
560 */
561 void WINPROC_FreeProc( WNDPROC proc, WINDOWPROCUSER user )
562 {
563 WINDOWPROC *ptr = (WINDOWPROC *)proc;
564 while (ptr)
565 {
566 WINDOWPROC *next = ptr->next;
567 if (ptr->user != user) break;
568 TRACE("freeing %p (%d)\n", ptr, user);
569 free_winproc( ptr );
570 ptr = next;
571 }
572 }
573
574
575 /**********************************************************************
576 * WINPROC_GetProcType
577 *
578 * Return the window procedure type.
579 */
580 WINDOWPROCTYPE WINPROC_GetProcType( WNDPROC proc )
581 {
582 if (!proc ||
583 (((WINDOWPROC *)proc)->magic != WINPROC_MAGIC))
584 return WIN_PROC_INVALID;
585 return ((WINDOWPROC *)proc)->type;
586 }
587 /**********************************************************************
588 * WINPROC_TestCBForStr
589 *
590 * Return TRUE if the lparam is a string
591 */
592 inline static BOOL WINPROC_TestCBForStr( HWND hwnd )
593 {
594 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
595 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
596 }
597 /**********************************************************************
598 * WINPROC_TestLBForStr
599 *
600 * Return TRUE if the lparam is a string
601 */
602 inline static BOOL WINPROC_TestLBForStr( HWND hwnd )
603 {
604 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
605 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
606
607 }
608 /**********************************************************************
609 * WINPROC_MapMsg32ATo32W
610 *
611 * Map a message from Ansi to Unicode.
612 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
613 *
614 * FIXME:
615 * WM_GETTEXT/WM_SETTEXT and static control with SS_ICON style:
616 * the first four bytes are the handle of the icon
617 * when the WM_SETTEXT message has been used to set the icon
618 */
619 INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
620 {
621 switch(msg)
622 {
623 case WM_GETTEXT:
624 case WM_ASKCBFORMATNAME:
625 {
626 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
627 *pwparam * sizeof(WCHAR) + sizeof(LPARAM) );
628 if (!ptr) return -1;
629 *ptr++ = *plparam; /* Store previous lParam */
630 *plparam = (LPARAM)ptr;
631 }
632 return 1;
633 /* lparam is string (0-terminated) */
634 case WM_SETTEXT:
635 case WM_WININICHANGE:
636 case WM_DEVMODECHANGE:
637 case CB_DIR:
638 case LB_DIR:
639 case LB_ADDFILE:
640 case EM_REPLACESEL:
641 {
642 DWORD len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, NULL, 0);
643 WCHAR *buf = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
644 len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, buf, len);
645 *plparam = (LPARAM)buf;
646 return (*plparam ? 1 : -1);
647 }
648 case WM_GETTEXTLENGTH:
649 case CB_GETLBTEXTLEN:
650 case LB_GETTEXTLEN:
651 return 1; /* need to map result */
652 case WM_NCCREATE:
653 case WM_CREATE:
654 {
655 UNICODE_STRING usBuffer;
656 struct s
657 { CREATESTRUCTW cs; /* new structure */
658 LPCWSTR lpszName; /* allocated Name */
659 LPCWSTR lpszClass; /* allocated Class */
660 };
661
662 struct s *xs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct s));
663 if (!xs) return -1;
664 xs->cs = *(CREATESTRUCTW *)*plparam;
665 if (HIWORD(xs->cs.lpszName))
666 {
667 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)xs->cs.lpszName);
668 xs->lpszName = xs->cs.lpszName = usBuffer.Buffer;
669 }
670 if (HIWORD(xs->cs.lpszClass))
671 {
672 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)xs->cs.lpszClass);
673 xs->lpszClass = xs->cs.lpszClass = usBuffer.Buffer;
674 }
675
676 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
677 {
678 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)HeapAlloc(GetProcessHeap(), 0,
679 sizeof(*mdi_cs));
680 *mdi_cs = *(MDICREATESTRUCTW *)xs->cs.lpCreateParams;
681 if (HIWORD(mdi_cs->szTitle))
682 {
683 RtlCreateUnicodeStringFromAsciiz(&usBuffer, (LPCSTR)mdi_cs->szTitle);
684 mdi_cs->szTitle = usBuffer.Buffer;
685 }
686 if (HIWORD(mdi_cs->szClass))
687 {
688 RtlCreateUnicodeStringFromAsciiz(&usBuffer, (LPCSTR)mdi_cs->szClass);
689 mdi_cs->szClass = usBuffer.Buffer;
690 }
691 xs->cs.lpCreateParams = mdi_cs;
692 }
693
694 *plparam = (LPARAM)xs;
695 }
696 return 1;
697 case WM_MDICREATE:
698 {
699 MDICREATESTRUCTW *cs =
700 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
701 if (!cs) return -1;
702 *cs = *(MDICREATESTRUCTW *)*plparam;
703 if (HIWORD(cs->szClass))
704 {
705 UNICODE_STRING usBuffer;
706 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)cs->szClass);
707 cs->szClass = usBuffer.Buffer;
708 }
709 if (HIWORD(cs->szTitle))
710 {
711 UNICODE_STRING usBuffer;
712 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)cs->szTitle);
713 cs->szTitle = usBuffer.Buffer;
714 }
715 *plparam = (LPARAM)cs;
716 }
717 return 1;
718
719 /* Listbox */
720 case LB_ADDSTRING:
721 case LB_INSERTSTRING:
722 case LB_FINDSTRING:
723 case LB_FINDSTRINGEXACT:
724 case LB_SELECTSTRING:
725 if(!*plparam) return 0;
726 if ( WINPROC_TestLBForStr( hwnd ))
727 {
728 UNICODE_STRING usBuffer;
729 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)*plparam);
730 *plparam = (LPARAM)usBuffer.Buffer;
731 }
732 return (*plparam ? 1 : -1);
733
734 case LB_GETTEXT: /* FIXME: fixed sized buffer */
735 { if ( WINPROC_TestLBForStr( hwnd ))
736 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
737 if (!ptr) return -1;
738 *ptr++ = *plparam; /* Store previous lParam */
739 *plparam = (LPARAM)ptr;
740 }
741 }
742 return 1;
743
744 /* Combobox */
745 case CB_ADDSTRING:
746 case CB_INSERTSTRING:
747 case CB_FINDSTRINGEXACT:
748 case CB_FINDSTRING:
749 case CB_SELECTSTRING:
750 if(!*plparam) return 0;
751 if ( WINPROC_TestCBForStr( hwnd ))
752 {
753 UNICODE_STRING usBuffer;
754 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)*plparam);
755 *plparam = (LPARAM)usBuffer.Buffer;
756 }
757 return (*plparam ? 1 : -1);
758
759 case CB_GETLBTEXT: /* FIXME: fixed sized buffer */
760 { if ( WINPROC_TestCBForStr( hwnd ))
761 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
762 if (!ptr) return -1;
763 *ptr++ = *plparam; /* Store previous lParam */
764 *plparam = (LPARAM)ptr;
765 }
766 }
767 return 1;
768
769 /* Multiline edit */
770 case EM_GETLINE:
771 { WORD len = (WORD)*plparam;
772 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(WCHAR) );
773 if (!ptr) return -1;
774 *ptr++ = *plparam; /* Store previous lParam */
775 *((WORD *) ptr) = len; /* Store the length */
776 *plparam = (LPARAM)ptr;
777 }
778 return 1;
779
780 case WM_CHARTOITEM:
781 case WM_MENUCHAR:
782 case WM_CHAR:
783 case WM_DEADCHAR:
784 case WM_SYSCHAR:
785 case WM_SYSDEADCHAR:
786 case EM_SETPASSWORDCHAR:
787 {
788 BYTE ch = LOWORD(*pwparam);
789 WCHAR wch;
790 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
791 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
792 }
793 return 0;
794
795 case WM_IME_CHAR:
796 {
797 BYTE ch[2];
798 WCHAR wch;
799 ch[0] = (*pwparam >> 8);
800 ch[1] = *pwparam & 0xff;
801 if (ch[0])
802 MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
803 else
804 MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
805 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
806 }
807 return 0;
808
809 case WM_PAINTCLIPBOARD:
810 case WM_SIZECLIPBOARD:
811 FIXME_(msg)("message %s (0x%x) needs translation, please report\n", SPY_GetMsgName(msg, hwnd), msg );
812 return -1;
813 default: /* No translation needed */
814 return 0;
815 }
816 }
817
818
819 /**********************************************************************
820 * WINPROC_UnmapMsg32ATo32W
821 *
822 * Unmap a message that was mapped from Ansi to Unicode.
823 */
824 LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
825 LRESULT result )
826 {
827 switch(msg)
828 {
829 case WM_GETTEXT:
830 case WM_ASKCBFORMATNAME:
831 {
832 LPARAM *ptr = (LPARAM *)lParam - 1;
833 if (!wParam) result = 0;
834 else if (!(result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
835 (LPSTR)*ptr, wParam, NULL, NULL )))
836 {
837 ((LPSTR)*ptr)[wParam-1] = 0;
838 result = wParam - 1;
839 }
840 else result--; /* do not count terminating null */
841 HeapFree( GetProcessHeap(), 0, ptr );
842 }
843 break;
844 case WM_GETTEXTLENGTH:
845 case CB_GETLBTEXTLEN:
846 case LB_GETTEXTLEN:
847 /* there may be one DBCS char for each Unicode char */
848 return result * 2;
849 case WM_NCCREATE:
850 case WM_CREATE:
851 {
852 struct s
853 { CREATESTRUCTW cs; /* new structure */
854 LPWSTR lpszName; /* allocated Name */
855 LPWSTR lpszClass; /* allocated Class */
856 };
857 struct s *xs = (struct s *)lParam;
858 if (xs->lpszName) HeapFree( GetProcessHeap(), 0, xs->lpszName );
859 if (xs->lpszClass) HeapFree( GetProcessHeap(), 0, xs->lpszClass );
860
861 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
862 {
863 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)xs->cs.lpCreateParams;
864 if (HIWORD(mdi_cs->szTitle))
865 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szTitle);
866 if (HIWORD(mdi_cs->szClass))
867 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szClass);
868 HeapFree(GetProcessHeap(), 0, mdi_cs);
869 }
870 HeapFree( GetProcessHeap(), 0, xs );
871 }
872 break;
873
874 case WM_MDICREATE:
875 {
876 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
877 if (HIWORD(cs->szTitle))
878 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
879 if (HIWORD(cs->szClass))
880 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
881 HeapFree( GetProcessHeap(), 0, cs );
882 }
883 break;
884
885 case WM_SETTEXT:
886 case WM_WININICHANGE:
887 case WM_DEVMODECHANGE:
888 case CB_DIR:
889 case LB_DIR:
890 case LB_ADDFILE:
891 case EM_REPLACESEL:
892 HeapFree( GetProcessHeap(), 0, (void *)lParam );
893 break;
894
895 /* Listbox */
896 case LB_ADDSTRING:
897 case LB_INSERTSTRING:
898 case LB_FINDSTRING:
899 case LB_FINDSTRINGEXACT:
900 case LB_SELECTSTRING:
901 if ( WINPROC_TestLBForStr( hwnd ))
902 HeapFree( GetProcessHeap(), 0, (void *)lParam );
903 break;
904
905 case LB_GETTEXT:
906 if ( WINPROC_TestLBForStr( hwnd ))
907 {
908 LPARAM *ptr = (LPARAM *)lParam - 1;
909 result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
910 (LPSTR)*ptr, 0x7fffffff, NULL, NULL ) - 1;
911 HeapFree( GetProcessHeap(), 0, ptr );
912 }
913 break;
914
915 /* Combobox */
916 case CB_ADDSTRING:
917 case CB_INSERTSTRING:
918 case CB_FINDSTRING:
919 case CB_FINDSTRINGEXACT:
920 case CB_SELECTSTRING:
921 if ( WINPROC_TestCBForStr( hwnd ))
922 HeapFree( GetProcessHeap(), 0, (void *)lParam );
923 break;
924
925 case CB_GETLBTEXT:
926 if ( WINPROC_TestCBForStr( hwnd ))
927 {
928 LPARAM *ptr = (LPARAM *)lParam - 1;
929 result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
930 (LPSTR)*ptr, 0x7fffffff, NULL, NULL ) - 1;
931 HeapFree( GetProcessHeap(), 0, ptr );
932 }
933 break;
934
935 /* Multiline edit */
936 case EM_GETLINE:
937 {
938 LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lParam */
939 WORD len = *(WORD *) lParam;
940 result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, result,
941 (LPSTR)*ptr, len, NULL, NULL );
942 if (result < len) ((LPSTR)*ptr)[result] = 0;
943 HeapFree( GetProcessHeap(), 0, ptr );
944 }
945 break;
946 }
947 return result;
948 }
949
950
951 /**********************************************************************
952 * WINPROC_MapMsg32WTo32A
953 *
954 * Map a message from Unicode to Ansi.
955 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
956 */
957 INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
958 {
959 switch(msg)
960 {
961 case WM_GETTEXT:
962 case WM_ASKCBFORMATNAME:
963 {
964 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
965 *pwparam + sizeof(LPARAM) );
966 if (!ptr) return -1;
967 *ptr++ = *plparam; /* Store previous lParam */
968 *plparam = (LPARAM)ptr;
969 }
970 return 1;
971
972 case WM_SETTEXT:
973 case WM_WININICHANGE:
974 case WM_DEVMODECHANGE:
975 case CB_DIR:
976 case LB_DIR:
977 case LB_ADDFILE:
978 case EM_REPLACESEL:
979 if(!*plparam) return 0;
980 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
981 return (*plparam ? 1 : -1);
982
983 case WM_NCCREATE:
984 case WM_CREATE:
985 {
986 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
987 sizeof(*cs) );
988 if (!cs) return -1;
989 *cs = *(CREATESTRUCTA *)*plparam;
990 if (HIWORD(cs->lpszName))
991 cs->lpszName = HEAP_strdupWtoA( GetProcessHeap(), 0,
992 (LPCWSTR)cs->lpszName );
993 if (HIWORD(cs->lpszClass))
994 cs->lpszClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
995 (LPCWSTR)cs->lpszClass);
996
997 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
998 {
999 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)HeapAlloc(GetProcessHeap(), 0,
1000 sizeof(*mdi_cs));
1001 if (!mdi_cs)
1002 {
1003 HeapFree(GetProcessHeap(), 0, cs);
1004 return -1;
1005 }
1006 *mdi_cs = *(MDICREATESTRUCTA *)cs->lpCreateParams;
1007 if (HIWORD(mdi_cs->szTitle))
1008 mdi_cs->szTitle = HEAP_strdupWtoA(GetProcessHeap(), 0,
1009 (LPCWSTR)mdi_cs->szTitle);
1010 if (HIWORD(mdi_cs->szClass))
1011 mdi_cs->szClass = HEAP_strdupWtoA(GetProcessHeap(), 0,
1012 (LPCWSTR)mdi_cs->szClass);
1013 cs->lpCreateParams = (LPVOID)mdi_cs;
1014 }
1015 *plparam = (LPARAM)cs;
1016 }
1017 return 1;
1018 case WM_MDICREATE:
1019 {
1020 MDICREATESTRUCTA *cs =
1021 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
1022 if (!cs) return -1;
1023 *cs = *(MDICREATESTRUCTA *)*plparam;
1024 if (HIWORD(cs->szTitle))
1025 cs->szTitle = HEAP_strdupWtoA( GetProcessHeap(), 0,
1026 (LPCWSTR)cs->szTitle );
1027 if (HIWORD(cs->szClass))
1028 cs->szClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
1029 (LPCWSTR)cs->szClass );
1030 *plparam = (LPARAM)cs;
1031 }
1032 return 1;
1033
1034 /* Listbox */
1035 case LB_ADDSTRING:
1036 case LB_INSERTSTRING:
1037 case LB_FINDSTRING:
1038 case LB_FINDSTRINGEXACT:
1039 case LB_SELECTSTRING:
1040 if(!*plparam) return 0;
1041 if ( WINPROC_TestLBForStr( hwnd ))
1042 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1043 return (*plparam ? 1 : -1);
1044
1045 case LB_GETTEXT: /* FIXME: fixed sized buffer */
1046 { if ( WINPROC_TestLBForStr( hwnd ))
1047 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
1048 if (!ptr) return -1;
1049 *ptr++ = *plparam; /* Store previous lParam */
1050 *plparam = (LPARAM)ptr;
1051 }
1052 }
1053 return 1;
1054
1055 /* Combobox */
1056 case CB_ADDSTRING:
1057 case CB_INSERTSTRING:
1058 case CB_FINDSTRING:
1059 case CB_FINDSTRINGEXACT:
1060 case CB_SELECTSTRING:
1061 if(!*plparam) return 0;
1062 if ( WINPROC_TestCBForStr( hwnd ))
1063 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1064 return (*plparam ? 1 : -1);
1065
1066 case CB_GETLBTEXT: /* FIXME: fixed sized buffer */
1067 { if ( WINPROC_TestCBForStr( hwnd ))
1068 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
1069 if (!ptr) return -1;
1070 *ptr++ = *plparam; /* Store previous lParam */
1071 *plparam = (LPARAM)ptr;
1072 }
1073 }
1074 return 1;
1075
1076 /* Multiline edit */
1077 case EM_GETLINE:
1078 { WORD len = (WORD)*plparam;
1079 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
1080 if (!ptr) return -1;
1081 *ptr++ = *plparam; /* Store previous lParam */
1082 *((WORD *) ptr) = len; /* Store the length */
1083 *plparam = (LPARAM)ptr;
1084 }
1085 return 1;
1086
1087 case WM_CHARTOITEM:
1088 case WM_MENUCHAR:
1089 case WM_CHAR:
1090 case WM_DEADCHAR:
1091 case WM_SYSCHAR:
1092 case WM_SYSDEADCHAR:
1093 case EM_SETPASSWORDCHAR:
1094 {
1095 WCHAR wch = LOWORD(*pwparam);
1096 BYTE ch;
1097 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
1098 *pwparam = MAKEWPARAM( ch, HIWORD(*pwparam) );
1099 }
1100 return 0;
1101
1102 case WM_IME_CHAR:
1103 {
1104 WCHAR wch = LOWORD(*pwparam);
1105 BYTE ch[2];
1106
1107 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL ) == 2)
1108 *pwparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(*pwparam) );
1109 else
1110 *pwparam = MAKEWPARAM( ch[0], HIWORD(*pwparam) );
1111 }
1112 return 0;
1113
1114 case WM_PAINTCLIPBOARD:
1115 case WM_SIZECLIPBOARD:
1116 FIXME_(msg)("message %s (%04x) needs translation, please report\n",SPY_GetMsgName(msg, hwnd),msg );
1117 return -1;
1118 default: /* No translation needed */
1119 return 0;
1120 }
1121 }
1122
1123
1124 /**********************************************************************
1125 * WINPROC_UnmapMsg32WTo32A
1126 *
1127 * Unmap a message that was mapped from Unicode to Ansi.
1128 */
1129 LRESULT WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT result )
1130 {
1131 switch(msg)
1132 {
1133 case WM_GETTEXT:
1134 case WM_ASKCBFORMATNAME:
1135 {
1136 LPARAM *ptr = (LPARAM *)lParam - 1;
1137 if (!wParam) result = 0;
1138 else if (!(result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1,
1139 (LPWSTR)*ptr, wParam )))
1140 {
1141 ((LPWSTR)*ptr)[wParam-1] = 0;
1142 result = wParam - 1;
1143 }
1144 else result--; /* do not count terminating null */
1145 HeapFree( GetProcessHeap(), 0, ptr );
1146 }
1147 break;
1148
1149 case WM_SETTEXT:
1150 case WM_WININICHANGE:
1151 case WM_DEVMODECHANGE:
1152 case CB_DIR:
1153 case LB_DIR:
1154 case LB_ADDFILE:
1155 case EM_REPLACESEL:
1156 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1157 break;
1158
1159 case WM_NCCREATE:
1160 case WM_CREATE:
1161 {
1162 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1163 if (HIWORD(cs->lpszName))
1164 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
1165 if (HIWORD(cs->lpszClass))
1166 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
1167 if (GetWindowLongA(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1168 {
1169 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)cs->lpCreateParams;
1170 if (HIWORD(mdi_cs->szTitle))
1171 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szTitle);
1172 if (HIWORD(mdi_cs->szClass))
1173 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szClass);
1174 HeapFree(GetProcessHeap(), 0, mdi_cs);
1175 }
1176 HeapFree( GetProcessHeap(), 0, cs );
1177 }
1178 break;
1179
1180 case WM_MDICREATE:
1181 {
1182 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1183 if (HIWORD(cs->szTitle))
1184 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1185 if (HIWORD(cs->szClass))
1186 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1187 HeapFree( GetProcessHeap(), 0, cs );
1188 }
1189 break;
1190
1191 /* Listbox */
1192 case LB_ADDSTRING:
1193 case LB_INSERTSTRING:
1194 case LB_FINDSTRING:
1195 case LB_FINDSTRINGEXACT:
1196 case LB_SELECTSTRING:
1197 if ( WINPROC_TestLBForStr( hwnd ))
1198 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1199 break;
1200
1201 case LB_GETTEXT:
1202 if ( WINPROC_TestLBForStr( hwnd ))
1203 {
1204 LPARAM *ptr = (LPARAM *)lParam - 1;
1205 result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff ) - 1;
1206 HeapFree( GetProcessHeap(), 0, ptr );
1207 }
1208 break;
1209
1210 /* Combobox */
1211 case CB_ADDSTRING:
1212 case CB_INSERTSTRING:
1213 case CB_FINDSTRING:
1214 case CB_FINDSTRINGEXACT:
1215 case CB_SELECTSTRING:
1216 if ( WINPROC_TestCBForStr( hwnd ))
1217 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1218 break;
1219
1220 case CB_GETLBTEXT:
1221 if ( WINPROC_TestCBForStr( hwnd ))
1222 {
1223 LPARAM *ptr = (LPARAM *)lParam - 1;
1224 result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff ) - 1;
1225 HeapFree( GetProcessHeap(), 0, ptr );
1226 }
1227 break;
1228
1229 /* Multiline edit */
1230 case EM_GETLINE:
1231 {
1232 LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
1233 WORD len = *(WORD *)ptr;
1234 if (len)
1235 {
1236 result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, result, (LPWSTR)*ptr, len );
1237 if (result < len) ((LPWSTR)*ptr)[result] = 0;
1238 }
1239 HeapFree( GetProcessHeap(), 0, ptr );
1240 }
1241 break;
1242 }
1243 return result;
1244 }
1245
1246 static UINT convert_handle_16_to_32(HANDLE16 src, unsigned int flags)
1247 {
1248 HANDLE dst;
1249 UINT sz = GlobalSize16(src);
1250 LPSTR ptr16, ptr32;
1251
1252 if (!(dst = GlobalAlloc(flags, sz)))
1253 return 0;
1254 ptr16 = GlobalLock16(src);
1255 ptr32 = GlobalLock(dst);
1256 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr32, ptr16, sz);
1257 GlobalUnlock16(src);
1258 GlobalUnlock(dst);
1259
1260 return (UINT)dst;
1261 }
1262
1263 /**********************************************************************
1264 * WINPROC_MapMsg16To32A
1265 *
1266 * Map a message from 16- to 32-bit Ansi.
1267 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1268 */
1269 INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1270 WPARAM *pwparam32, LPARAM *plparam )
1271 {
1272 *pmsg32 = (UINT)msg16;
1273 *pwparam32 = (WPARAM)wParam16;
1274 switch(msg16)
1275 {
1276 case WM_ACTIVATE:
1277 case WM_CHARTOITEM:
1278 case WM_COMMAND:
1279 case WM_VKEYTOITEM:
1280 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1281 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1282 return 0;
1283 case WM_HSCROLL:
1284 case WM_VSCROLL:
1285 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1286 *plparam = (LPARAM)WIN_Handle32( HIWORD(*plparam) );
1287 return 0;
1288 case WM_CTLCOLOR:
1289 if ( HIWORD(*plparam) > CTLCOLOR_STATIC ) return -1;
1290 *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam);
1291 *pwparam32 = (WPARAM)HDC_32(wParam16);
1292 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1293 return 0;
1294 case WM_COMPAREITEM:
1295 {
1296 COMPAREITEMSTRUCT16* cis16 = MapSL(*plparam);
1297 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)
1298 HeapAlloc(GetProcessHeap(), 0, sizeof(*cis));
1299 if (!cis) return -1;
1300 cis->CtlType = cis16->CtlType;
1301 cis->CtlID = cis16->CtlID;
1302 cis->hwndItem = WIN_Handle32( cis16->hwndItem );
1303 cis->itemID1 = cis16->itemID1;
1304 cis->itemData1 = cis16->itemData1;
1305 cis->itemID2 = cis16->itemID2;
1306 cis->itemData2 = cis16->itemData2;
1307 cis->dwLocaleId = 0; /* FIXME */
1308 *plparam = (LPARAM)cis;
1309 }
1310 return 1;
1311 case WM_DELETEITEM:
1312 {
1313 DELETEITEMSTRUCT16* dis16 = MapSL(*plparam);
1314 DELETEITEMSTRUCT *dis = (DELETEITEMSTRUCT *)
1315 HeapAlloc(GetProcessHeap(), 0, sizeof(*dis));
1316 if (!dis) return -1;
1317 dis->CtlType = dis16->CtlType;
1318 dis->CtlID = dis16->CtlID;
1319 dis->hwndItem = WIN_Handle32( dis16->hwndItem );
1320 dis->itemData = dis16->itemData;
1321 *plparam = (LPARAM)dis;
1322 }
1323 return 1;
1324 case WM_MEASUREITEM:
1325 {
1326 MEASUREITEMSTRUCT16* mis16 = MapSL(*plparam);
1327 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)
1328 HeapAlloc(GetProcessHeap(), 0,
1329 sizeof(*mis) + sizeof(LPARAM));
1330 if (!mis) return -1;
1331 mis->CtlType = mis16->CtlType;
1332 mis->CtlID = mis16->CtlID;
1333 mis->itemID = mis16->itemID;
1334 mis->itemWidth = mis16->itemWidth;
1335 mis->itemHeight = mis16->itemHeight;
1336 mis->itemData = mis16->itemData;
1337 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1338 *plparam = (LPARAM)mis;
1339 }
1340 return 1;
1341 case WM_DRAWITEM:
1342 {
1343 DRAWITEMSTRUCT16* dis16 = MapSL(*plparam);
1344 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT*)HeapAlloc(GetProcessHeap(), 0,
1345 sizeof(*dis));
1346 if (!dis) return -1;
1347 dis->CtlType = dis16->CtlType;
1348 dis->CtlID = dis16->CtlID;
1349 dis->itemID = dis16->itemID;
1350 dis->itemAction = dis16->itemAction;
1351 dis->itemState = dis16->itemState;
1352 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND)HMENU_32(dis16->hwndItem)
1353 : WIN_Handle32( dis16->hwndItem );
1354 dis->hDC = HDC_32(dis16->hDC);
1355 dis->itemData = dis16->itemData;
1356 CONV_RECT16TO32( &dis16->rcItem, &dis->rcItem );
1357 *plparam = (LPARAM)dis;
1358 }
1359 return 1;
1360 case WM_GETMINMAXINFO:
1361 {
1362 MINMAXINFO *mmi = (MINMAXINFO *)HeapAlloc( GetProcessHeap(), 0,
1363 sizeof(*mmi) + sizeof(LPARAM));
1364 if (!mmi) return -1;
1365 STRUCT32_MINMAXINFO16to32( MapSL(*plparam), mmi );
1366 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1367 *plparam = (LPARAM)mmi;
1368 }
1369 return 1;
1370 case WM_GETTEXT:
1371 case WM_SETTEXT:
1372 case WM_WININICHANGE:
1373 case WM_DEVMODECHANGE:
1374 case WM_ASKCBFORMATNAME:
1375 *plparam = (LPARAM)MapSL(*plparam);
1376 return 0;
1377 case WM_MDICREATE:
1378 {
1379 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1380 MDICREATESTRUCTA *cs = HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) + sizeof(LPARAM) );
1381 if (!cs) return -1;
1382 STRUCT32_MDICREATESTRUCT16to32A( cs16, cs );
1383 cs->szTitle = MapSL(cs16->szTitle);
1384 cs->szClass = MapSL(cs16->szClass);
1385 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1386 *plparam = (LPARAM)cs;
1387 }
1388 return 1;
1389 case WM_MDIGETACTIVE:
1390 *plparam = (LPARAM)HeapAlloc( GetProcessHeap(), 0, sizeof(BOOL) );
1391 *(BOOL*)(*plparam) = 0;
1392 return 1;
1393 case WM_MDISETMENU:
1394 if(wParam16==TRUE)
1395 *pmsg32=WM_MDIREFRESHMENU;
1396 *pwparam32 = (WPARAM)HMENU_32(LOWORD(*plparam));
1397 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1398 return 0;
1399 case WM_MENUCHAR:
1400 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1401 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1402 return 0;
1403 case WM_MENUSELECT:
1404 if((LOWORD(*plparam) & MF_POPUP) && (LOWORD(*plparam) != 0xFFFF))
1405 {
1406 HMENU hmenu=HMENU_32(HIWORD(*plparam));
1407 UINT Pos=MENU_FindSubMenu( &hmenu, HMENU_32(wParam16));
1408 if(Pos==0xFFFF) Pos=0; /* NO_SELECTED_ITEM */
1409 *pwparam32 = MAKEWPARAM( Pos, LOWORD(*plparam) );
1410 }
1411 else *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1412 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1413 return 0;
1414 case WM_MDIACTIVATE:
1415 if( *plparam )
1416 {
1417 *pwparam32 = (WPARAM)WIN_Handle32( HIWORD(*plparam) );
1418 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1419 }
1420 else /* message sent to MDI client */
1421 *pwparam32 = wParam16;
1422 return 0;
1423 case WM_NCCALCSIZE:
1424 {
1425 NCCALCSIZE_PARAMS16 *nc16;
1426 NCCALCSIZE_PARAMS *nc;
1427
1428 nc = (NCCALCSIZE_PARAMS *)HeapAlloc( GetProcessHeap(), 0,
1429 sizeof(*nc) + sizeof(LPARAM) );
1430 if (!nc) return -1;
1431 nc16 = MapSL(*plparam);
1432 CONV_RECT16TO32( &nc16->rgrc[0], &nc->rgrc[0] );
1433 if (wParam16)
1434 {
1435 nc->lppos = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1436 sizeof(*nc->lppos) );
1437 CONV_RECT16TO32( &nc16->rgrc[1], &nc->rgrc[1] );
1438 CONV_RECT16TO32( &nc16->rgrc[2], &nc->rgrc[2] );
1439 if (nc->lppos) STRUCT32_WINDOWPOS16to32( MapSL(nc16->lppos), nc->lppos );
1440 }
1441 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1442 *plparam = (LPARAM)nc;
1443 }
1444 return 1;
1445 case WM_NCCREATE:
1446 case WM_CREATE:
1447 {
1448 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1449 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1450 sizeof(*cs) + sizeof(LPARAM) );
1451 if (!cs) return -1;
1452 STRUCT32_CREATESTRUCT16to32A( cs16, cs );
1453 cs->lpszName = MapSL(cs16->lpszName);
1454 cs->lpszClass = MapSL(cs16->lpszClass);
1455 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1456 *plparam = (LPARAM)cs;
1457 }
1458 return 1;
1459 case WM_PARENTNOTIFY:
1460 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1461 {
1462 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1463 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1464 }
1465 return 0;
1466 case WM_WINDOWPOSCHANGING:
1467 case WM_WINDOWPOSCHANGED:
1468 {
1469 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1470 sizeof(*wp) + sizeof(LPARAM) );
1471 if (!wp) return -1;
1472 STRUCT32_WINDOWPOS16to32( MapSL(*plparam), wp );
1473 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1474 *plparam = (LPARAM)wp;
1475 }
1476 return 1;
1477 case WM_GETDLGCODE:
1478 if (*plparam)
1479 {
1480 LPMSG16 msg16 = MapSL(*plparam);
1481 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1482
1483 if (!msg32) return -1;
1484 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1485 msg32->lParam = msg16->lParam;
1486 msg32->time = msg16->time;
1487 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1488 /* this is right, right? */
1489 if (WINPROC_MapMsg16To32A( msg32->hwnd, msg16->message,msg16->wParam,
1490 &msg32->message,&msg32->wParam,
1491 &msg32->lParam)<0) {
1492 HeapFree( GetProcessHeap(), 0, msg32 );
1493 return -1;
1494 }
1495 *plparam = (LPARAM)msg32;
1496 return 1;
1497 }
1498 else return 0;
1499 case WM_NOTIFY:
1500 *plparam = (LPARAM)MapSL(*plparam);
1501 return 0;
1502 case WM_ACTIVATEAPP:
1503 /* We need this when SetActiveWindow sends a Sendmessage16() to
1504 * a 32bit window. Might be superflous with 32bit interprocess
1505 * message queues. */
1506 if (*plparam) *plparam = HTASK_32( *plparam );
1507 return 0;
1508 case WM_NEXTMENU:
1509 {
1510 MDINEXTMENU *next = HeapAlloc( GetProcessHeap(), 0, sizeof(*next) );
1511 if (!next) return -1;
1512 next->hmenuIn = (HMENU)*plparam;
1513 next->hmenuNext = 0;
1514 next->hwndNext = 0;
1515 *plparam = (LPARAM)next;
1516 return 1;
1517 }
1518 case WM_PAINTCLIPBOARD:
1519 case WM_SIZECLIPBOARD:
1520 FIXME_(msg)("message %04x needs translation\n",msg16 );
1521 return -1;
1522 case WM_DDE_INITIATE:
1523 case WM_DDE_TERMINATE:
1524 case WM_DDE_UNADVISE:
1525 case WM_DDE_REQUEST:
1526 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1527 return 0;
1528 case WM_DDE_ADVISE:
1529 case WM_DDE_DATA:
1530 case WM_DDE_POKE:
1531 {
1532 HANDLE16 lo16;
1533 ATOM hi;
1534 UINT lo32 = 0;
1535
1536 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1537 lo16 = LOWORD(*plparam);
1538 hi = HIWORD(*plparam);
1539 if (lo16 && !(lo32 = convert_handle_16_to_32(lo16, GMEM_DDESHARE)))
1540 return -1;
1541 *plparam = PackDDElParam(msg16, lo32, hi);
1542 }
1543 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1544 case WM_DDE_ACK:
1545 {
1546 UINT lo, hi;
1547 int flag = 0;
1548 char buf[2];
1549
1550 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1551
1552 lo = LOWORD(*plparam);
1553 hi = HIWORD(*plparam);
1554
1555 if (GlobalGetAtomNameA(hi, buf, 2) > 0) flag |= 1;
1556 if (GlobalSize16(hi) != 0) flag |= 2;
1557 switch (flag)
1558 {
1559 case 0:
1560 if (hi)
1561 {
1562 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
1563 hi = 0;
1564 }
1565 break;
1566 case 1:
1567 break; /* atom, nothing to do */
1568 case 3:
1569 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
1570 /* fall thru */
1571 case 2:
1572 hi = convert_handle_16_to_32(hi, GMEM_DDESHARE);
1573 break;
1574 }
1575 *plparam = PackDDElParam(WM_DDE_ACK, lo, hi);
1576 }
1577 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1578 case WM_DDE_EXECUTE:
1579 *plparam = convert_handle_16_to_32(*plparam, GMEM_DDESHARE);
1580 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1581 default: /* No translation needed */
1582 return 0;
1583 }
1584 }
1585
1586
1587 /**********************************************************************
1588 * WINPROC_UnmapMsg16To32A
1589 *
1590 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1591 */
1592 LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1593 LRESULT result )
1594 {
1595 switch(msg)
1596 {
1597 case WM_COMPAREITEM:
1598 case WM_DELETEITEM:
1599 case WM_DRAWITEM:
1600 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1601 break;
1602 case WM_MEASUREITEM:
1603 {
1604 MEASUREITEMSTRUCT16 *mis16;
1605 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1606 lParam = *(LPARAM *)(mis + 1);
1607 mis16 = MapSL(lParam);
1608 mis16->itemWidth = (UINT16)mis->itemWidth;
1609 mis16->itemHeight = (UINT16)mis->itemHeight;
1610 HeapFree( GetProcessHeap(), 0, mis );
1611 }
1612 break;
1613 case WM_GETMINMAXINFO:
1614 {
1615 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1616 lParam = *(LPARAM *)(mmi + 1);
1617 STRUCT32_MINMAXINFO32to16( mmi, MapSL(lParam));
1618 HeapFree( GetProcessHeap(), 0, mmi );
1619 }
1620 break;
1621 case WM_MDICREATE:
1622 {
1623 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1624 lParam = *(LPARAM *)(cs + 1);
1625 STRUCT32_MDICREATESTRUCT32Ato16( cs, MapSL(lParam) );
1626 HeapFree( GetProcessHeap(), 0, cs );
1627 }
1628 break;
1629 case WM_MDIGETACTIVE:
1630 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1631 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1632 break;
1633 case WM_NCCALCSIZE:
1634 {
1635 NCCALCSIZE_PARAMS16 *nc16;
1636 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1637 lParam = *(LPARAM *)(nc + 1);
1638 nc16 = MapSL(lParam);
1639 CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] );
1640 if (wParam)
1641 {
1642 CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] );
1643 CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] );
1644 if (nc->lppos)
1645 {
1646 STRUCT32_WINDOWPOS32to16( nc->lppos, MapSL(nc16->lppos));
1647 HeapFree( GetProcessHeap(), 0, nc->lppos );
1648 }
1649 }
1650 HeapFree( GetProcessHeap(), 0, nc );
1651 }
1652 break;
1653 case WM_NCCREATE:
1654 case WM_CREATE:
1655 {
1656 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1657 lParam = *(LPARAM *)(cs + 1);
1658 STRUCT32_CREATESTRUCT32Ato16( cs, MapSL(lParam) );
1659 HeapFree( GetProcessHeap(), 0, cs );
1660 }
1661 break;
1662 case WM_WINDOWPOSCHANGING:
1663 case WM_WINDOWPOSCHANGED:
1664 {
1665 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1666 lParam = *(LPARAM *)(wp + 1);
1667 STRUCT32_WINDOWPOS32to16(wp, MapSL(lParam));
1668 HeapFree( GetProcessHeap(), 0, wp );
1669 }
1670 break;
1671 case WM_GETDLGCODE:
1672 if (lParam)
1673 {
1674 LPMSG msg32 = (LPMSG)lParam;
1675
1676 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1677 result);
1678 HeapFree( GetProcessHeap(), 0, msg32 );
1679 }
1680 break;
1681 case WM_NEXTMENU:
1682 {
1683 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
1684 result = MAKELONG( HMENU_16(next->hmenuNext), HWND_16(next->hwndNext) );
1685 HeapFree( GetProcessHeap(), 0, next );
1686 }
1687 break;
1688 }
1689 return result;
1690 }
1691
1692
1693 /**********************************************************************
1694 * WINPROC_MapMsg16To32W
1695 *
1696 * Map a message from 16- to 32-bit Unicode.
1697 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1698 */
1699 INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1700 WPARAM *pwparam32, LPARAM *plparam )
1701 {
1702 BYTE ch;
1703 WCHAR wch;
1704
1705 *pmsg32=(UINT)msg16;
1706 *pwparam32 = (WPARAM)wParam16;
1707 switch(msg16)
1708 {
1709 case WM_GETTEXT:
1710 case WM_SETTEXT:
1711 case WM_WININICHANGE:
1712 case WM_DEVMODECHANGE:
1713 case WM_ASKCBFORMATNAME:
1714 *plparam = (LPARAM)MapSL(*plparam);
1715 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1716 case WM_GETTEXTLENGTH:
1717 case CB_GETLBTEXTLEN:
1718 case LB_GETTEXTLEN:
1719 return 1; /* need to map result */
1720 case WM_NCCREATE:
1721 case WM_CREATE:
1722 {
1723 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1724 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1725 sizeof(*cs) + sizeof(LPARAM) );
1726 if (!cs) return -1;
1727 STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1728 cs->lpszName = map_str_16_to_32W(cs16->lpszName);
1729 cs->lpszClass = map_str_16_to_32W(cs16->lpszClass);
1730 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1731 *plparam = (LPARAM)cs;
1732 }
1733 return 1;
1734 case WM_MDICREATE:
1735 {
1736 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1737 MDICREATESTRUCTW *cs =
1738 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1739 sizeof(*cs) + sizeof(LPARAM) );
1740 if (!cs) return -1;
1741 STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1742 cs->szTitle = map_str_16_to_32W(cs16->szTitle);
1743 cs->szClass = map_str_16_to_32W(cs16->szClass);
1744 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1745 *plparam = (LPARAM)cs;
1746 }
1747 return 1;
1748 case WM_GETDLGCODE:
1749 if (*plparam)
1750 {
1751 LPMSG16 msg16 = MapSL(*plparam);
1752 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1753
1754 if (!msg32) return -1;
1755 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1756 msg32->lParam = msg16->lParam;
1757 msg32->time = msg16->time;
1758 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1759 /* this is right, right? */
1760 if (WINPROC_MapMsg16To32W(hwnd, msg16->message,msg16->wParam,
1761 &msg32->message,&msg32->wParam,
1762 &msg32->lParam)<0) {
1763 HeapFree( GetProcessHeap(), 0, msg32 );
1764 return -1;
1765 }
1766 *plparam = (LPARAM)msg32;
1767 return 1;
1768 }
1769 else return 0;
1770
1771 case WM_CHARTOITEM:
1772 ch = wParam16;
1773 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1774 *pwparam32 = MAKEWPARAM( wch, HIWORD(*plparam) );
1775 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1776 return 0;
1777 case WM_MENUCHAR:
1778 ch = wParam16;
1779 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1780 *pwparam32 = MAKEWPARAM( wch, LOWORD(*plparam) );
1781 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1782 return 0;
1783 case WM_CHAR:
1784 case WM_DEADCHAR:
1785 case WM_SYSCHAR:
1786 case WM_SYSDEADCHAR:
1787 ch = wParam16;
1788 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1789 *pwparam32 = wch;
1790 return 0;
1791 case WM_IME_CHAR:
1792 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1793
1794 default: /* No Unicode translation needed */
1795 return WINPROC_MapMsg16To32A( hwnd, msg16, wParam16, pmsg32,
1796 pwparam32, plparam );
1797 }
1798 }
1799
1800
1801 /**********************************************************************
1802 * WINPROC_UnmapMsg16To32W
1803 *
1804 * Unmap a message that was mapped from 16- to 32-bit Unicode.
1805 */
1806 LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1807 LRESULT result )
1808 {
1809 switch(msg)
1810 {
1811 case WM_GETTEXT:
1812 case WM_SETTEXT:
1813 case WM_GETTEXTLENGTH:
1814 case CB_GETLBTEXTLEN:
1815 case LB_GETTEXTLEN:
1816 case WM_ASKCBFORMATNAME:
1817 return WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
1818 case WM_NCCREATE:
1819 case WM_CREATE:
1820 {
1821 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
1822 lParam = *(LPARAM *)(cs + 1);
1823 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs, MapSL(lParam) );
1824 unmap_str_16_to_32W( cs->lpszName );
1825 unmap_str_16_to_32W( cs->lpszClass );
1826 HeapFree( GetProcessHeap(), 0, cs );
1827 }
1828 break;
1829 case WM_MDICREATE:
1830 {
1831 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
1832 lParam = *(LPARAM *)(cs + 1);
1833 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs, MapSL(lParam) );
1834 unmap_str_16_to_32W( cs->szTitle );
1835 unmap_str_16_to_32W( cs->szClass );
1836 HeapFree( GetProcessHeap(), 0, cs );
1837 }
1838 break;
1839 case WM_GETDLGCODE:
1840 if (lParam)
1841 {
1842 LPMSG msg32 = (LPMSG)lParam;
1843
1844 WINPROC_UnmapMsg16To32W( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1845 result);
1846 HeapFree( GetProcessHeap(), 0, msg32 );
1847 }
1848 break;
1849 default:
1850 return WINPROC_UnmapMsg16To32A( hwnd, msg, wParam, lParam, result );
1851 }
1852 return result;
1853 }
1854
1855 static HANDLE16 convert_handle_32_to_16(UINT src, unsigned int flags)
1856 {
1857 HANDLE16 dst;
1858 UINT sz = GlobalSize((HANDLE)src);
1859 LPSTR ptr16, ptr32;
1860
1861 if (!(dst = GlobalAlloc16(flags, sz)))
1862 return 0;
1863 ptr32 = GlobalLock((HANDLE)src);
1864 ptr16 = GlobalLock16(dst);
1865 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr16, ptr32, sz);
1866 GlobalUnlock((HANDLE)src);
1867 GlobalUnlock16(dst);
1868
1869 return dst;
1870 }
1871
1872
1873 /**********************************************************************
1874 * WINPROC_MapMsg32ATo16
1875 *
1876 * Map a message from 32-bit Ansi to 16-bit.
1877 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1878 */
1879 INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
1880 UINT16 *pmsg16, WPARAM16 *pwparam16,
1881 LPARAM *plparam )
1882 {
1883 *pmsg16 = (UINT16)msg32;
1884 *pwparam16 = (WPARAM16)LOWORD(wParam32);
1885 switch(msg32)
1886 {
1887 case BM_GETCHECK:
1888 case BM_SETCHECK:
1889 case BM_GETSTATE:
1890 case BM_SETSTATE:
1891 case BM_SETSTYLE:
1892 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1893 return 0;
1894
1895 case EM_GETSEL:
1896 case EM_GETRECT:
1897 case EM_SETRECT:
1898 case EM_SETRECTNP:
1899 case EM_SCROLL:
1900 case EM_LINESCROLL:
1901 case EM_SCROLLCARET:
1902 case EM_GETMODIFY:
1903 case EM_SETMODIFY:
1904 case EM_GETLINECOUNT:
1905 case EM_LINEINDEX:
1906 case EM_SETHANDLE:
1907 case EM_GETHANDLE:
1908 case EM_GETTHUMB:
1909 case EM_LINELENGTH:
1910 case EM_REPLACESEL:
1911 case EM_GETLINE:
1912 case EM_LIMITTEXT:
1913 case EM_CANUNDO:
1914 case EM_UNDO:
1915 case EM_FMTLINES:
1916 case EM_LINEFROMCHAR:
1917 case EM_SETTABSTOPS:
1918 case EM_SETPASSWORDCHAR:
1919 case EM_EMPTYUNDOBUFFER:
1920 case EM_GETFIRSTVISIBLELINE:
1921 case EM_SETREADONLY:
1922 case EM_SETWORDBREAKPROC:
1923 case EM_GETWORDBREAKPROC:
1924 case EM_GETPASSWORDCHAR:
1925 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1926 return 0;
1927
1928 case LB_CARETOFF:
1929 case LB_CARETON:
1930 case LB_DELETESTRING:
1931 case LB_GETANCHORINDEX:
1932 case LB_GETCARETINDEX:
1933 case LB_GETCOUNT:
1934 case LB_GETCURSEL:
1935 case LB_GETHORIZONTALEXTENT:
1936 case LB_GETITEMDATA:
1937 case LB_GETITEMHEIGHT:
1938 case LB_GETSEL:
1939 case LB_GETSELCOUNT:
1940 case LB_GETTEXTLEN:
1941 case LB_GETTOPINDEX:
1942 case LB_RESETCONTENT:
1943 case LB_SELITEMRANGE:
1944 case LB_SELITEMRANGEEX:
1945 case LB_SETANCHORINDEX:
1946 case LB_SETCARETINDEX:
1947 case LB_SETCOLUMNWIDTH:
1948 case LB_SETCURSEL:
1949 case LB_SETHORIZONTALEXTENT:
1950 case LB_SETITEMDATA:
1951 case LB_SETITEMHEIGHT:
1952 case LB_SETSEL:
1953 case LB_SETTOPINDEX:
1954 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1955 return 0;
1956 case CB_DELETESTRING:
1957 case CB_GETCOUNT:
1958 case CB_GETLBTEXTLEN:
1959 case CB_LIMITTEXT:
1960 case CB_RESETCONTENT:
1961 case CB_SETEDITSEL:
1962 case CB_GETCURSEL:
1963 case CB_SETCURSEL:
1964 case CB_SHOWDROPDOWN:
1965 case CB_SETITEMDATA:
1966 case CB_SETITEMHEIGHT:
1967 case CB_GETITEMHEIGHT:
1968 case CB_SETEXTENDEDUI:
1969 case CB_GETEXTENDEDUI:
1970 case CB_GETDROPPEDSTATE:
1971 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1972 return 0;
1973 case CB_GETEDITSEL:
1974 *pmsg16 = CB_GETEDITSEL16;
1975 return 1;
1976
1977 case LB_ADDSTRING:
1978 case LB_FINDSTRING:
1979 case LB_FINDSTRINGEXACT:
1980 case LB_INSERTSTRING:
1981 case LB_SELECTSTRING:
1982 case LB_DIR:
1983 case LB_ADDFILE:
1984 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
1985 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1986 return 1;
1987
1988 case CB_ADDSTRING:
1989 case CB_FINDSTRING:
1990 case CB_FINDSTRINGEXACT:
1991 case CB_INSERTSTRING:
1992 case CB_SELECTSTRING:
1993 case CB_DIR:
1994 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
1995 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1996 return 1;
1997
1998 case LB_GETITEMRECT:
1999 {
2000 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2001 if (!rect) return -1;
2002 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2003 *plparam = MapLS( rect );
2004 }
2005 *pmsg16 = LB_GETITEMRECT16;
2006 return 1;
2007 case LB_GETSELITEMS:
2008 {
2009 LPINT16 items;
2010 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2011 if (!(items = HeapAlloc( GetProcessHeap(), 0,
2012 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2013 *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */
2014 *plparam = MapLS( items );
2015 }
2016 *pmsg16 = LB_GETSELITEMS16;
2017 return 1;
2018 case LB_SETTABSTOPS:
2019 if (wParam32)
2020 {
2021 INT i;
2022 LPINT16 stops;
2023 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2024 if (!(stops = HeapAlloc( GetProcessHeap(), 0,
2025 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2026 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
2027 *plparam = MapLS( stops );
2028 return 1;
2029 }
2030 *pmsg16 = LB_SETTABSTOPS16;
2031 return 0;
2032
2033 case CB_GETDROPPEDCONTROLRECT:
2034 {
2035 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2036 if (!rect) return -1;
2037 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2038 *plparam = (LPARAM)MapLS(rect);
2039 }
2040 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
2041 return 1;
2042
2043 case LB_GETTEXT:
2044 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2045 *pmsg16 = LB_GETTEXT16;
2046 return 1;
2047
2048 case CB_GETLBTEXT:
2049 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2050 *pmsg16 = CB_GETLBTEXT16;
2051 return 1;
2052
2053 case EM_SETSEL:
2054 *pwparam16 = 0;
2055 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
2056 *pmsg16 = EM_SETSEL16;
2057 return 0;
2058
2059 case WM_ACTIVATE:
2060 case WM_CHARTOITEM:
2061 case WM_COMMAND:
2062 case WM_VKEYTOITEM:
2063 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2064 return 0;
2065 case WM_HSCROLL:
2066 case WM_VSCROLL:
2067 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
2068 return 0;
2069 case WM_CTLCOLORMSGBOX:
2070 case WM_CTLCOLOREDIT:
2071 case WM_CTLCOLORLISTBOX:
2072 case WM_CTLCOLORBTN:
2073 case WM_CTLCOLORDLG:
2074 case WM_CTLCOLORSCROLLBAR:
2075 case WM_CTLCOLORSTATIC:
2076 *pmsg16 = WM_CTLCOLOR;
2077 *plparam = MAKELPARAM( (HWND16)*plparam,
2078 (WORD)msg32 - WM_CTLCOLORMSGBOX );
2079 return 0;
2080 case WM_COMPAREITEM:
2081 {
2082 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
2083 COMPAREITEMSTRUCT16 *cis = HeapAlloc( GetProcessHeap(), 0, sizeof(COMPAREITEMSTRUCT16));
2084 if (!cis) return -1;
2085 cis->CtlType = (UINT16)cis32->CtlType;
2086 cis->CtlID = (UINT16)cis32->CtlID;
2087 cis->hwndItem = HWND_16( cis32->hwndItem );
2088 cis->itemID1 = (UINT16)cis32->itemID1;
2089 cis->itemData1 = cis32->itemData1;
2090 cis->itemID2 = (UINT16)cis32->itemID2;
2091 cis->itemData2 = cis32->itemData2;
2092 *plparam = MapLS( cis );
2093 }
2094 return 1;
2095 case WM_DELETEITEM:
2096 {
2097 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
2098 DELETEITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DELETEITEMSTRUCT16) );
2099 if (!dis) return -1;
2100 dis->CtlType = (UINT16)dis32->CtlType;
2101 dis->CtlID = (UINT16)dis32->CtlID;
2102 dis->itemID = (UINT16)dis32->itemID;
2103 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
2104 : HWND_16( dis32->hwndItem );
2105 dis->itemData = dis32->itemData;
2106 *plparam = MapLS( dis );
2107 }
2108 return 1;
2109 case WM_DRAWITEM:
2110 {
2111 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
2112 DRAWITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DRAWITEMSTRUCT16) );
2113 if (!dis) return -1;
2114 dis->CtlType = (UINT16)dis32->CtlType;
2115 dis->CtlID = (UINT16)dis32->CtlID;
2116 dis->itemID = (UINT16)dis32->itemID;
2117 dis->itemAction = (UINT16)dis32->itemAction;
2118 dis->itemState = (UINT16)dis32->itemState;
2119 dis->hwndItem = HWND_16( dis32->hwndItem );
2120 dis->hDC = HDC_16(dis32->hDC);
2121 dis->itemData = dis32->itemData;
2122 CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem );
2123 *plparam = MapLS( dis );
2124 }
2125 return 1;
2126 case WM_MEASUREITEM:
2127 {
2128 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
2129 MEASUREITEMSTRUCT16 *mis = HeapAlloc( GetProcessHeap(), 0, sizeof(*mis)+sizeof(LPARAM));
2130 if (!mis) return -1;
2131 mis->CtlType = (UINT16)mis32->CtlType;
2132 mis->CtlID = (UINT16)mis32->CtlID;
2133 mis->itemID = (UINT16)mis32->itemID;
2134 mis->itemWidth = (UINT16)mis32->itemWidth;
2135 mis->itemHeight = (UINT16)mis32->itemHeight;
2136 mis->itemData = mis32->itemData;
2137 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
2138 *plparam = MapLS( mis );
2139 }
2140 return 1;
2141 case WM_GETMINMAXINFO:
2142 {
2143 MINMAXINFO16 *mmi = HeapAlloc( GetProcessHeap(), 0, sizeof(*mmi) + sizeof(LPARAM) );
2144 if (!mmi) return -1;
2145 STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
2146 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
2147 *plparam = MapLS( mmi );
2148 }
2149 return 1;
2150 case WM_GETTEXT:
2151 case WM_ASKCBFORMATNAME:
2152 {
2153 LPSTR str;
2154 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
2155 if (!(str = HeapAlloc( GetProcessHeap(), 0, *pwparam16 + sizeof(LPARAM)))) return -1;
2156 *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */
2157 *plparam = MapLS( str );
2158 }
2159 return 1;
2160 case WM_MDICREATE:
2161 {
2162 MDICREATESTRUCT16 *cs;
2163 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
2164
2165 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2166 STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs );
2167 cs->szTitle = MapLS( cs32->szTitle );
2168 cs->szClass = MapLS( cs32->szClass );
2169 *plparam = MapLS( cs );
2170 }
2171 return 1;
2172 case WM_MDIGETACTIVE:
2173 return 1;
2174 case WM_MDISETMENU:
2175 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
2176 (HMENU16)LOWORD(*plparam) );
2177 *pwparam16 = (*plparam == 0);
2178 return 0;
2179 case WM_MENUSELECT:
2180 if(HIWORD(wParam32) & MF_POPUP)
2181 {
2182 HMENU hmenu;
2183 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
2184 {
2185 if((hmenu = GetSubMenu((HMENU)*plparam, *pwparam16)))
2186 *pwparam16=HMENU_16(hmenu);
2187 }
2188 }
2189 /* fall through */
2190 case WM_MENUCHAR:
2191 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2192 return 0;
2193 case WM_MDIACTIVATE:
2194 if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
2195 {
2196 *pwparam16 = ((HWND)*plparam == hwnd);
2197 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
2198 (HWND16)LOWORD(wParam32) );
2199 }
2200 else
2201 {
2202 *pwparam16 = HWND_16( (HWND)wParam32 );
2203 *plparam = 0;
2204 }
2205 return 0;
2206 case WM_NCCALCSIZE:
2207 {
2208 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
2209 NCCALCSIZE_PARAMS16 *nc = HeapAlloc( GetProcessHeap(), 0, sizeof(*nc) + sizeof(LPARAM));
2210 if (!nc) return -1;
2211
2212 CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] );
2213 if (wParam32)
2214 {
2215 WINDOWPOS16 *wp;
2216 CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] );
2217 CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] );
2218 if (!(wp = HeapAlloc( GetProcessHeap(), 0, sizeof(WINDOWPOS16) )))
2219 {
2220 HeapFree( GetProcessHeap(), 0, nc );
2221 return -1;
2222 }
2223 STRUCT32_WINDOWPOS32to16( nc32->lppos, wp );
2224 nc->lppos = MapLS( wp );
2225 }
2226 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
2227 *plparam = MapLS( nc );
2228 }
2229 return 1;
2230 case WM_NCCREATE:
2231 case WM_CREATE:
2232 {
2233 CREATESTRUCT16 *cs;
2234 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
2235
2236 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2237 STRUCT32_CREATESTRUCT32Ato16( cs32, cs );
2238 cs->lpszName = MapLS( cs32->lpszName );
2239 cs->lpszClass = MapLS( cs32->lpszClass );
2240 *plparam = MapLS( cs );
2241 }
2242 return 1;
2243 case WM_PARENTNOTIFY:
2244 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
2245 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
2246 /* else nothing to do */
2247 return 0;
2248 case WM_NOTIFY:
2249 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
2250 return 1;
2251 case WM_SETTEXT:
2252 case WM_WININICHANGE:
2253 case WM_DEVMODECHANGE:
2254 *plparam = MapLS( (LPSTR)*plparam );
2255 return 1;
2256 case WM_WINDOWPOSCHANGING:
2257 case WM_WINDOWPOSCHANGED:
2258 {
2259 WINDOWPOS16 *wp = HeapAlloc( GetProcessHeap(), 0, sizeof(*wp) + sizeof(LPARAM) );
2260 if (!wp) return -1;
2261 STRUCT32_WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
2262 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
2263 *plparam = MapLS( wp );
2264 }
2265 return 1;
2266 case WM_GETDLGCODE:
2267 if (*plparam) {
2268 LPMSG msg32 = (LPMSG) *plparam;
2269 LPMSG16 msg16 = HeapAlloc( GetProcessHeap(), 0, sizeof(MSG16) );
2270
2271 if (!msg16) return -1;
2272 msg16->hwnd = HWND_16( msg32->hwnd );
2273 msg16->lParam = msg32->lParam;
2274 msg16->time = msg32->time;
2275 CONV_POINT32TO16(&msg32->pt,&msg16->pt);
2276 /* this is right, right? */
2277 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
2278 &msg16->message,&msg16->wParam, &msg16->lParam)<0)
2279 {
2280 HeapFree( GetProcessHeap(), 0, msg16 );
2281 return -1;
2282 }
2283 *plparam = MapLS( msg16 );
2284 return 1;
2285 }
2286 return 0;
2287
2288 case WM_ACTIVATEAPP:
2289 if (*plparam) *plparam = HTASK_16( (HANDLE)*plparam );
2290 return 0;
2291 case WM_NEXTMENU:
2292 {
2293 MDINEXTMENU *next = (MDINEXTMENU *)*plparam;
2294 *plparam = (LPARAM)next->hmenuIn;
2295 return 1;
2296 }
2297 case WM_PAINTCLIPBOARD:
2298 case WM_SIZECLIPBOARD:
2299 FIXME_(msg)("message %04x needs translation\n", msg32 );
2300 return -1;
2301 /* following messages should not be sent to 16-bit apps */
2302 case WM_SIZING:
2303 case WM_MOVING:
2304 case WM_CAPTURECHANGED:
2305 case WM_STYLECHANGING:
2306 case WM_STYLECHANGED:
2307 return -1;
2308 case WM_DDE_INITIATE:
2309 case WM_DDE_TERMINATE:
2310 case WM_DDE_UNADVISE:
2311 case WM_DDE_REQUEST:
2312 *pwparam16 = HWND_16((HWND)wParam32);
2313 return 0;
2314 case WM_DDE_ADVISE:
2315 case WM_DDE_DATA:
2316 case WM_DDE_POKE:
2317 {
2318 UINT lo32, hi;
2319 HANDLE16 lo16 = 0;
2320
2321 *pwparam16 = HWND_16((HWND)wParam32);
2322 UnpackDDElParam(msg32, *plparam, &lo32, &hi);
2323 if (lo32 && !(lo16 = convert_handle_32_to_16(lo32, GMEM_DDESHARE)))
2324 return -1;
2325 *plparam = MAKELPARAM(lo16, hi);
2326 }
2327 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2328 case WM_DDE_ACK:
2329 {
2330 UINT lo, hi;
2331 int flag = 0;
2332 char buf[2];
2333
2334 *pwparam16 = HWND_16((HWND)wParam32);
2335
2336 UnpackDDElParam(msg32, *plparam, &lo, &hi);
2337
2338 if (GlobalGetAtomNameA((ATOM)hi, buf, sizeof(buf)) > 0) flag |= 1;
2339 if (GlobalSize((HANDLE)hi) != 0) flag |= 2;
2340 switch (flag)
2341 {
2342 case 0:
2343 if (hi)
2344 {
2345 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
2346 hi = 0;
2347 }
2348 break;
2349 case 1:
2350 break; /* atom, nothing to do */
2351 case 3:
2352 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
2353 /* fall thru */
2354 case 2:
2355 hi = convert_handle_32_to_16(hi, GMEM_DDESHARE);
2356 break;
2357 }
2358 *plparam = MAKELPARAM(lo, hi);
2359 }
2360 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2361 case WM_DDE_EXECUTE:
2362 *plparam = convert_handle_32_to_16(*plparam, GMEM_DDESHARE);
2363 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2364 default: /* No translation needed */
2365 return 0;
2366 }
2367 }
2368
2369
2370 /**********************************************************************
2371 * WINPROC_UnmapMsg32ATo16
2372 *
2373 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
2374 */
2375 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2376 MSGPARAM16* p16 )
2377 {
2378 switch(msg)
2379 {
2380 case LB_ADDFILE:
2381 case LB_ADDSTRING:
2382 case LB_DIR:
2383 case LB_FINDSTRING:
2384 case LB_FINDSTRINGEXACT:
2385 case LB_INSERTSTRING:
2386 case LB_SELECTSTRING:
2387 case LB_GETTEXT:
2388 case CB_ADDSTRING:
2389 case CB_FINDSTRING:
2390 case CB_FINDSTRINGEXACT:
2391 case CB_INSERTSTRING:
2392 case CB_SELECTSTRING:
2393 case CB_DIR:
2394 case CB_GETLBTEXT:
2395 case WM_SETTEXT:
2396 case WM_WININICHANGE:
2397 case WM_DEVMODECHANGE:
2398 UnMapLS( (SEGPTR)p16->lParam );
2399 break;
2400 case LB_SETTABSTOPS:
2401 case WM_COMPAREITEM:
2402 case WM_DELETEITEM:
2403 case WM_DRAWITEM:
2404 {
2405 void *ptr = MapSL( p16->lParam );
2406 UnMapLS( p16->lParam );
2407 HeapFree( GetProcessHeap(), 0, ptr );
2408 }
2409 break;
2410 case CB_GETDROPPEDCONTROLRECT:
2411 case LB_GETITEMRECT:
2412 {
2413 RECT16 *rect = MapSL(p16->lParam);
2414 UnMapLS( p16->lParam );
2415 p16->lParam = *(LPARAM *)(rect + 1);
2416 CONV_RECT16TO32( rect, (RECT *)(p16->lParam));
2417 HeapFree( GetProcessHeap(), 0, rect );
2418 }
2419 break;
2420 case LB_GETSELITEMS:
2421 {
2422 INT i;
2423 LPINT16 items = MapSL(p16->lParam);
2424 UnMapLS( p16->lParam );
2425 p16->lParam = *((LPARAM *)items - 1);
2426 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2427 HeapFree( GetProcessHeap(), 0, (LPARAM *)items - 1 );
2428 }
2429 break;
2430
2431 case CB_GETEDITSEL:
2432 if( wParam )
2433 *((PUINT)(wParam)) = LOWORD(p16->lResult);
2434 if( lParam )
2435 *((PUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2436 break;
2437
2438 case WM_MEASUREITEM:
2439 {
2440 MEASUREITEMSTRUCT16 *mis = MapSL(p16->lParam);
2441 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2442 mis32->itemWidth = mis->itemWidth;
2443 mis32->itemHeight = mis->itemHeight;
2444 UnMapLS( p16->lParam );
2445 HeapFree( GetProcessHeap(), 0, mis );
2446 }
2447 break;
2448 case WM_GETMINMAXINFO:
2449 {
2450 MINMAXINFO16 *mmi = MapSL(p16->lParam);
2451 UnMapLS( p16->lParam );
2452 p16->lParam = *(LPARAM *)(mmi + 1);
2453 STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2454 HeapFree( GetProcessHeap(), 0, mmi );
2455 }
2456 break;
2457 case WM_GETTEXT:
2458 case WM_ASKCBFORMATNAME:
2459 {
2460 LPSTR str = MapSL(p16->lParam);
2461 UnMapLS( p16->lParam );
2462 p16->lParam = *((LPARAM *)str - 1);
2463 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2464 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2465 }
2466 break;
2467 case WM_MDICREATE:
2468 {
2469 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2470 UnMapLS( cs->szTitle );
2471 UnMapLS( cs->szClass );
2472 UnMapLS( p16->lParam );
2473 HeapFree( GetProcessHeap(), 0, cs );
2474 }
2475 break;
2476 case WM_MDIGETACTIVE:
2477 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2478 p16->lResult = (LRESULT)WIN_Handle32( LOWORD(p16->lResult) );
2479 break;
2480 case WM_NCCALCSIZE:
2481 {
2482 NCCALCSIZE_PARAMS *nc32;
2483 NCCALCSIZE_PARAMS16 *nc = MapSL(p16->lParam);
2484 UnMapLS( p16->lParam );
2485 p16->lParam = *(LPARAM *)(nc + 1);
2486 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2487 CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] );
2488 if (p16->wParam)
2489 {
2490 WINDOWPOS16 *pos = MapSL(nc->lppos);
2491 UnMapLS( nc->lppos );
2492 CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] );
2493 CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] );
2494 STRUCT32_WINDOWPOS16to32( pos, nc32->lppos );
2495 HeapFree( GetProcessHeap(), 0, pos );
2496 }
2497 HeapFree( GetProcessHeap(), 0, nc );
2498 }
2499 break;
2500 case WM_NCCREATE:
2501 case WM_CREATE:
2502 {
2503 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2504 UnMapLS( p16->lParam );
2505 UnMapLS( cs->lpszName );
2506 UnMapLS( cs->lpszClass );
2507 HeapFree( GetProcessHeap(), 0, cs );
2508 }
2509 break;
2510 case WM_WINDOWPOSCHANGING:
2511 case WM_WINDOWPOSCHANGED:
2512 {
2513 WINDOWPOS16 *wp = MapSL(p16->lParam);
2514 UnMapLS( p16->lParam );
2515 p16->lParam = *(LPARAM *)(wp + 1);
2516 STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2517 HeapFree( GetProcessHeap(), 0, wp );
2518 }
2519 break;
2520 case WM_NOTIFY:
2521 UnMapLS(p16->lParam);
2522 break;
2523 case WM_GETDLGCODE:
2524 if (p16->lParam)
2525 {
2526 LPMSG16 msg16 = MapSL(p16->lParam);
2527 MSGPARAM16 msgp16;
2528 UnMapLS( p16->lParam );
2529 msgp16.wParam=msg16->wParam;
2530 msgp16.lParam=msg16->lParam;
2531 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2532 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2533 &msgp16 );
2534 HeapFree( GetProcessHeap(), 0, msg16 );
2535 }
2536 break;
2537 case WM_NEXTMENU:
2538 {
2539 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
2540 next->hmenuNext = HMENU_32( LOWORD(p16->lResult) );
2541 next->hwndNext = WIN_Handle32( HIWORD(p16->lResult) );
2542 p16->lResult = 0;
2543 }
2544 break;
2545 }
2546 }
2547
2548
2549 /**********************************************************************
2550 * WINPROC_MapMsg32WTo16
2551 *
2552 * Map a message from 32-bit Unicode to 16-bit.
2553 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2554 */
2555 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2556 UINT16 *pmsg16, WPARAM16 *pwparam16,
2557 LPARAM *plparam )
2558 {
2559 BYTE ch;
2560 WCHAR wch;
2561
2562 *pmsg16 = LOWORD(msg32);
2563 *pwparam16 = LOWORD(wParam32);
2564 switch(msg32)
2565 {
2566 case LB_ADDSTRING:
2567 case LB_FINDSTRING:
2568 case LB_FINDSTRINGEXACT:
2569 case LB_INSERTSTRING:
2570 case LB_SELECTSTRING:
2571 case LB_DIR:
2572 case LB_ADDFILE:
2573 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2574 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2575 return 1;
2576
2577 case CB_ADDSTRING:
2578 case CB_FINDSTRING:
2579 case CB_FINDSTRINGEXACT:
2580 case CB_INSERTSTRING:
2581 case CB_SELECTSTRING:
2582 case CB_DIR:
2583 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2584 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2585 return 1;
2586
2587 case WM_NCCREATE:
2588 case WM_CREATE:
2589 {
2590 CREATESTRUCT16 *cs;
2591 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2592
2593 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2594 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2595 cs->lpszName = map_str_32W_to_16( cs32->lpszName );
2596 cs->lpszClass = map_str_32W_to_16( cs32->lpszClass );
2597 *plparam = MapLS(cs);
2598 }
2599 return 1;
2600 case WM_MDICREATE:
2601 {
2602 MDICREATESTRUCT16 *cs;
2603 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2604
2605 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2606 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2607 cs->szTitle = map_str_32W_to_16( cs32->szTitle );
2608 cs->szClass = map_str_32W_to_16( cs32->szClass );
2609 *plparam = MapLS(cs);
2610 }
2611 return 1;
2612 case WM_SETTEXT:
2613 case WM_WININICHANGE:
2614 case WM_DEVMODECHANGE:
2615 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2616 return 1;
2617 case LB_GETTEXT:
2618 if ( WINPROC_TestLBForStr( hwnd ))
2619 {
2620 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2621 if (!str) return -1;
2622 *pmsg16 = LB_GETTEXT16;
2623 *plparam = (LPARAM)MapLS(str);
2624 }
2625 return 1;
2626 case CB_GETLBTEXT:
2627 if ( WINPROC_TestCBForStr( hwnd ))
2628 {
2629 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2630 if (!str) return -1;
2631 *pmsg16 = CB_GETLBTEXT16;
2632 *plparam = (LPARAM)MapLS(str);
2633 }
2634 return 1;
2635
2636 case WM_CHARTOITEM:
2637 wch = LOWORD(wParam32);
2638 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2639 *pwparam16 = ch;
2640 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2641 return 0;
2642 case WM_MENUCHAR:
2643 wch = LOWORD(wParam32);
2644 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2645 *pwparam16 = ch;
2646 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2647 return 0;
2648 case WM_CHAR:
2649 case WM_DEADCHAR:
2650 case WM_SYSCHAR:
2651 case WM_SYSDEADCHAR:
2652 wch = wParam32;
2653 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2654 *pwparam16 = ch;
2655 return 0;
2656 case WM_IME_CHAR:
2657 {
2658 BYTE ch[2];
2659
2660 wch = wParam32;
2661 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL ) == 2)
2662 *pwparam16 = (ch[0] << 8) | ch[1];
2663 else
2664 *pwparam16 = ch[0];
2665 }
2666 return 0;
2667
2668 default: /* No Unicode translation needed (?) */
2669 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2670 pwparam16, plparam );
2671 }
2672 }
2673
2674
2675 /**********************************************************************
2676 * WINPROC_UnmapMsg32WTo16
2677 *
2678 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2679 */
2680 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2681 MSGPARAM16* p16 )
2682 {
2683 switch(msg)
2684 {
2685 case LB_ADDSTRING:
2686 case LB_FINDSTRING:
2687 case LB_FINDSTRINGEXACT:
2688 case LB_INSERTSTRING:
2689 case LB_SELECTSTRING:
2690 case LB_DIR:
2691 case LB_ADDFILE:
2692 case CB_ADDSTRING:
2693 case CB_FINDSTRING:
2694 case CB_FINDSTRINGEXACT:
2695 case CB_INSERTSTRING:
2696 case CB_SELECTSTRING:
2697 case CB_DIR:
2698 case WM_SETTEXT:
2699 case WM_WININICHANGE:
2700 case WM_DEVMODECHANGE:
2701 unmap_str_32W_to_16( p16->lParam );
2702 break;
2703 case WM_NCCREATE:
2704 case WM_CREATE:
2705 {
2706 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2707 UnMapLS( p16->lParam );
2708 unmap_str_32W_to_16( cs->lpszName );
2709 unmap_str_32W_to_16( cs->lpszClass );
2710 HeapFree( GetProcessHeap(), 0, cs );
2711 }
2712 break;
2713 case WM_MDICREATE:
2714 {
2715 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2716 UnMapLS( p16->lParam );
2717 unmap_str_32W_to_16( cs->szTitle );
2718 unmap_str_32W_to_16( cs->szClass );
2719 HeapFree( GetProcessHeap(), 0, cs );
2720 }
2721 break;
2722 case WM_GETTEXT:
2723 case WM_ASKCBFORMATNAME:
2724 {
2725 LPSTR str = MapSL(p16->lParam);
2726 UnMapLS( p16->lParam );
2727 p16->lParam = *((LPARAM *)str - 1);
2728 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)p16->lParam, 0x7fffffff );
2729 p16->lResult = strlenW( (LPWSTR)p16->lParam );
2730 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2731 }
2732 break;
2733 case LB_GETTEXT:
2734 if ( WINPROC_TestLBForStr( hwnd ))
2735 {
2736 LPSTR str = MapSL(p16->lParam);
2737 UnMapLS( p16->lParam );
2738 p16->lResult = MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff ) - 1;
2739 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2740 }
2741 break;
2742 case CB_GETLBTEXT:
2743 if ( WINPROC_TestCBForStr( hwnd ))
2744 {
2745 LPSTR str = MapSL(p16->lParam);
2746 UnMapLS( p16->lParam );
2747 p16->lResult = MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff ) - 1;
2748 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2749 }
2750 break;
2751 default:
2752 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2753 break;
2754 }
2755 }
2756
2757
2758 /**********************************************************************
2759 * WINPROC_CallProc32ATo32W
2760 *
2761 * Call a window procedure, translating args from Ansi to Unicode.
2762 */
2763 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2764 UINT msg, WPARAM wParam,
2765 LPARAM lParam )
2766 {
2767 LRESULT result;
2768 int unmap;
2769
2770 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2771 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2772
2773 if( (unmap = WINPROC_MapMsg32ATo32W( hwnd, msg, &wParam, &lParam )) == -1) {
2774 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2775 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2776 return 0;
2777 }
2778 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2779 if (unmap) result = WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
2780 return result;
2781 }
2782
2783
2784 /**********************************************************************
2785 * WINPROC_CallProc32WTo32A
2786 *
2787 * Call a window procedure, translating args from Unicode to Ansi.
2788 */
2789 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
2790 UINT msg, WPARAM wParam,
2791 LPARAM lParam )
2792 {
2793 LRESULT result;
2794 int unmap;
2795
2796 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2797 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2798
2799 if ((unmap = WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam )) == -1) {
2800 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2801 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2802 return 0;
2803 }
2804 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2805 if( unmap ) result = WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam, result );
2806 return result;
2807 }
2808
2809
2810 /**********************************************************************
2811 * __wine_call_wndproc_32A (USER.1010)
2812 */
2813 LRESULT WINAPI __wine_call_wndproc_32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
2814 WNDPROC func )
2815 {
2816 LRESULT result;
2817 UINT msg32;
2818 WPARAM wParam32;
2819 HWND hwnd32 = WIN_Handle32( hwnd );
2820
2821 if (WINPROC_MapMsg16To32A( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2822 return 0;
2823 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2824 return WINPROC_UnmapMsg16To32A( hwnd32, msg32, wParam32, lParam, result );
2825 }
2826
2827
2828 /**********************************************************************
2829 * __wine_call_wndproc_32W (USER.1011)
2830 */
2831 LRESULT WINAPI __wine_call_wndproc_32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
2832 WNDPROC func )
2833 {
2834 LRESULT result;
2835 UINT msg32;
2836 WPARAM wParam32;
2837 HWND hwnd32 = WIN_Handle32( hwnd );
2838
2839 if (WINPROC_MapMsg16To32W( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2840 return 0;
2841 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2842 return WINPROC_UnmapMsg16To32W( hwnd32, msg32, wParam32, lParam, result );
2843 }
2844
2845
2846 /**********************************************************************
2847 * WINPROC_CallProc32ATo16
2848 *
2849 * Call a 16-bit window procedure, translating the 32-bit args.
2850 */
2851 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
2852 UINT msg, WPARAM wParam,
2853 LPARAM lParam )
2854 {
2855 UINT16 msg16;
2856 MSGPARAM16 mp16;
2857
2858 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2859 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2860
2861 mp16.lParam = lParam;
2862 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1)
2863 return 0;
2864 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
2865 mp16.wParam, mp16.lParam );
2866 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
2867 return mp16.lResult;
2868 }
2869
2870
2871 /**********************************************************************
2872 * WINPROC_CallProc32WTo16
2873 *
2874 * Call a 16-bit window procedure, translating the 32-bit args.
2875 */
2876 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
2877 UINT msg, WPARAM wParam,
2878 LPARAM lParam )
2879 {
2880 UINT16 msg16;
2881 MSGPARAM16 mp16;
2882
2883 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2884 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2885
2886 mp16.lParam = lParam;
2887 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
2888 &mp16.lParam ) == -1)
2889 return 0;
2890 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
2891 mp16.wParam, mp16.lParam );
2892 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
2893 return mp16.lResult;
2894 }
2895
2896
2897 /**********************************************************************
2898 * CallWindowProc (USER.122)
2899 */
2900 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2901 WPARAM16 wParam, LPARAM lParam )
2902 {
2903 WINDOWPROC *proc;
2904
2905 if (!func) return 0;
2906
2907 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
2908 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2909
2910 #if testing
2911 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_16 );
2912 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2913 #endif
2914
2915 switch(proc->type)
2916 {
2917 case WIN_PROC_16:
2918 if (!proc->thunk.t_from32.proc) return 0;
2919 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
2920 hwnd, msg, wParam, lParam );
2921 case WIN_PROC_32A:
2922 if (!proc->thunk.t_from16.proc) return 0;
2923 return __wine_call_wndproc_32A( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
2924 case WIN_PROC_32W:
2925 if (!proc->thunk.t_from16.proc) return 0;
2926 return __wine_call_wndproc_32W( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
2927 default:
2928 WARN_(relay)("Invalid proc %p\n", proc );
2929 return 0;
2930 }
2931 }
2932
2933
2934 /**********************************************************************
2935 * CallWindowProcA (USER32.@)
2936 *
2937 * The CallWindowProc() function invokes the windows procedure _func_,
2938 * with _hwnd_ as the target window, the message specified by _msg_, and
2939 * the message parameters _wParam_ and _lParam_.
2940 *
2941 * Some kinds of argument conversion may be done, I'm not sure what.
2942 *
2943 * CallWindowProc() may be used for windows subclassing. Use
2944 * SetWindowLong() to set a new windows procedure for windows of the
2945 * subclass, and handle subclassed messages in the new windows
2946 * procedure. The new windows procedure may then use CallWindowProc()
2947 * with _func_ set to the parent class's windows procedure to dispatch
2948 * the message to the superclass.
2949 *
2950 * RETURNS
2951 *
2952 * The return value is message dependent.
2953 *
2954 * CONFORMANCE
2955 *
2956 * ECMA-234, Win32
2957 */
2958 LRESULT WINAPI CallWindowProcA(
2959 WNDPROC func, /* [in] window procedure */
2960 HWND hwnd, /* [in] target window */
2961 UINT msg, /* [in] message */
2962 WPARAM wParam, /* [in] message dependent parameter */
2963 LPARAM lParam /* [in] message dependent parameter */
2964 ) {
2965 WINDOWPROC *proc;
2966
2967 if (!func) return 0;
2968
2969 if (!(proc = WINPROC_GetPtr( func )))
2970 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2971
2972 #if testing
2973 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32A );
2974 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2975 #endif
2976
2977 switch(proc->type)
2978 {
2979 case WIN_PROC_16:
2980 if (!proc->thunk.t_from32.proc) return 0;
2981 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
2982 hwnd, msg, wParam, lParam );
2983 case WIN_PROC_32A:
2984 if (!proc->thunk.t_from16.proc) return 0;
2985 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2986 hwnd, msg, wParam, lParam );
2987 case WIN_PROC_32W:
2988 if (!proc->thunk.t_from16.proc) return 0;
2989 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
2990 hwnd, msg, wParam, lParam );
2991 default:
2992 WARN_(relay)("Invalid proc %p\n", proc );
2993 return 0;
2994 }
2995 }
2996
2997
2998 /**********************************************************************
2999 * CallWindowProcW (USER32.@)
3000 */
3001 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
3002 WPARAM wParam, LPARAM lParam )
3003 {
3004 WINDOWPROC *proc;
3005
3006 if (!func) return 0;
3007
3008 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
3009 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3010
3011 #if testing
3012 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32W );
3013 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3014 #endif
3015
3016 switch(proc->type)
3017 {
3018 case WIN_PROC_16:
3019 if (!proc->thunk.t_from32.proc) return 0;
3020 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
3021 hwnd, msg, wParam, lParam );
3022 case WIN_PROC_32A:
3023 if (!proc->thunk.t_from16.proc) return 0;
3024 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
3025 hwnd, msg, wParam, lParam );
3026 case WIN_PROC_32W:
3027 if (!proc->thunk.t_from16.proc) return 0;
3028 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
3029 hwnd, msg, wParam, lParam );
3030 default:
3031 WARN_(relay)("Invalid proc %p\n", proc );
3032 return 0;
3033 }
3034 }
Maarten's multimedia branch