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Store all information about the current dll in a structure instead of
[wine/multimedia.git] / windows / winproc.c
blobd6c17611f23c7e3e621199c01c9567780e4a6d7c
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 (GetWindowLongW(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 (GetWindowLongW(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
1456 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1457 {
1458 MDICREATESTRUCT16 *mdi_cs16;
1459 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)HeapAlloc(GetProcessHeap(), 0,
1460 sizeof(*mdi_cs));
1461 if (!mdi_cs)
1462 {
1463 HeapFree(GetProcessHeap(), 0, cs);
1464 return -1;
1465 }
1466 mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs16->lpCreateParams);
1467 STRUCT32_MDICREATESTRUCT16to32A(mdi_cs16, mdi_cs);
1468 mdi_cs->szTitle = MapSL(mdi_cs16->szTitle);
1469 mdi_cs->szClass = MapSL(mdi_cs16->szClass);
1470
1471 cs->lpCreateParams = mdi_cs;
1472 }
1473 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1474 *plparam = (LPARAM)cs;
1475 }
1476 return 1;
1477 case WM_PARENTNOTIFY:
1478 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1479 {
1480 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1481 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1482 }
1483 return 0;
1484 case WM_WINDOWPOSCHANGING:
1485 case WM_WINDOWPOSCHANGED:
1486 {
1487 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1488 sizeof(*wp) + sizeof(LPARAM) );
1489 if (!wp) return -1;
1490 STRUCT32_WINDOWPOS16to32( MapSL(*plparam), wp );
1491 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1492 *plparam = (LPARAM)wp;
1493 }
1494 return 1;
1495 case WM_GETDLGCODE:
1496 if (*plparam)
1497 {
1498 LPMSG16 msg16 = MapSL(*plparam);
1499 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1500
1501 if (!msg32) return -1;
1502 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1503 msg32->lParam = msg16->lParam;
1504 msg32->time = msg16->time;
1505 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1506 /* this is right, right? */
1507 if (WINPROC_MapMsg16To32A( msg32->hwnd, msg16->message,msg16->wParam,
1508 &msg32->message,&msg32->wParam,
1509 &msg32->lParam)<0) {
1510 HeapFree( GetProcessHeap(), 0, msg32 );
1511 return -1;
1512 }
1513 *plparam = (LPARAM)msg32;
1514 return 1;
1515 }
1516 else return 0;
1517 case WM_NOTIFY:
1518 *plparam = (LPARAM)MapSL(*plparam);
1519 return 0;
1520 case WM_ACTIVATEAPP:
1521 /* We need this when SetActiveWindow sends a Sendmessage16() to
1522 * a 32bit window. Might be superflous with 32bit interprocess
1523 * message queues. */
1524 if (*plparam) *plparam = HTASK_32( *plparam );
1525 return 0;
1526 case WM_NEXTMENU:
1527 {
1528 MDINEXTMENU *next = HeapAlloc( GetProcessHeap(), 0, sizeof(*next) );
1529 if (!next) return -1;
1530 next->hmenuIn = (HMENU)*plparam;
1531 next->hmenuNext = 0;
1532 next->hwndNext = 0;
1533 *plparam = (LPARAM)next;
1534 return 1;
1535 }
1536 case WM_PAINTCLIPBOARD:
1537 case WM_SIZECLIPBOARD:
1538 FIXME_(msg)("message %04x needs translation\n",msg16 );
1539 return -1;
1540 case WM_DDE_INITIATE:
1541 case WM_DDE_TERMINATE:
1542 case WM_DDE_UNADVISE:
1543 case WM_DDE_REQUEST:
1544 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1545 return 0;
1546 case WM_DDE_ADVISE:
1547 case WM_DDE_DATA:
1548 case WM_DDE_POKE:
1549 {
1550 HANDLE16 lo16;
1551 ATOM hi;
1552 UINT lo32 = 0;
1553
1554 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1555 lo16 = LOWORD(*plparam);
1556 hi = HIWORD(*plparam);
1557 if (lo16 && !(lo32 = convert_handle_16_to_32(lo16, GMEM_DDESHARE)))
1558 return -1;
1559 *plparam = PackDDElParam(msg16, lo32, hi);
1560 }
1561 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1562 case WM_DDE_ACK:
1563 {
1564 UINT lo, hi;
1565 int flag = 0;
1566 char buf[2];
1567
1568 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1569
1570 lo = LOWORD(*plparam);
1571 hi = HIWORD(*plparam);
1572
1573 if (GlobalGetAtomNameA(hi, buf, 2) > 0) flag |= 1;
1574 if (GlobalSize16(hi) != 0) flag |= 2;
1575 switch (flag)
1576 {
1577 case 0:
1578 if (hi)
1579 {
1580 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
1581 hi = 0;
1582 }
1583 break;
1584 case 1:
1585 break; /* atom, nothing to do */
1586 case 3:
1587 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
1588 /* fall thru */
1589 case 2:
1590 hi = convert_handle_16_to_32(hi, GMEM_DDESHARE);
1591 break;
1592 }
1593 *plparam = PackDDElParam(WM_DDE_ACK, lo, hi);
1594 }
1595 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1596 case WM_DDE_EXECUTE:
1597 *plparam = convert_handle_16_to_32(*plparam, GMEM_DDESHARE);
1598 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1599 default: /* No translation needed */
1600 return 0;
1601 }
1602 }
1603
1604
1605 /**********************************************************************
1606 * WINPROC_UnmapMsg16To32A
1607 *
1608 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1609 */
1610 LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1611 LRESULT result )
1612 {
1613 switch(msg)
1614 {
1615 case WM_COMPAREITEM:
1616 case WM_DELETEITEM:
1617 case WM_DRAWITEM:
1618 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1619 break;
1620 case WM_MEASUREITEM:
1621 {
1622 MEASUREITEMSTRUCT16 *mis16;
1623 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1624 lParam = *(LPARAM *)(mis + 1);
1625 mis16 = MapSL(lParam);
1626 mis16->itemWidth = (UINT16)mis->itemWidth;
1627 mis16->itemHeight = (UINT16)mis->itemHeight;
1628 HeapFree( GetProcessHeap(), 0, mis );
1629 }
1630 break;
1631 case WM_GETMINMAXINFO:
1632 {
1633 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1634 lParam = *(LPARAM *)(mmi + 1);
1635 STRUCT32_MINMAXINFO32to16( mmi, MapSL(lParam));
1636 HeapFree( GetProcessHeap(), 0, mmi );
1637 }
1638 break;
1639 case WM_MDICREATE:
1640 {
1641 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1642 lParam = *(LPARAM *)(cs + 1);
1643 STRUCT32_MDICREATESTRUCT32Ato16( cs, MapSL(lParam) );
1644 HeapFree( GetProcessHeap(), 0, cs );
1645 }
1646 break;
1647 case WM_MDIGETACTIVE:
1648 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1649 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1650 break;
1651 case WM_NCCALCSIZE:
1652 {
1653 NCCALCSIZE_PARAMS16 *nc16;
1654 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1655 lParam = *(LPARAM *)(nc + 1);
1656 nc16 = MapSL(lParam);
1657 CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] );
1658 if (wParam)
1659 {
1660 CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] );
1661 CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] );
1662 if (nc->lppos)
1663 {
1664 STRUCT32_WINDOWPOS32to16( nc->lppos, MapSL(nc16->lppos));
1665 HeapFree( GetProcessHeap(), 0, nc->lppos );
1666 }
1667 }
1668 HeapFree( GetProcessHeap(), 0, nc );
1669 }
1670 break;
1671 case WM_NCCREATE:
1672 case WM_CREATE:
1673 {
1674 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1675 lParam = *(LPARAM *)(cs + 1);
1676 STRUCT32_CREATESTRUCT32Ato16( cs, MapSL(lParam) );
1677
1678 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1679 HeapFree(GetProcessHeap(), 0, cs->lpCreateParams);
1680
1681 HeapFree( GetProcessHeap(), 0, cs );
1682 }
1683 break;
1684 case WM_WINDOWPOSCHANGING:
1685 case WM_WINDOWPOSCHANGED:
1686 {
1687 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1688 lParam = *(LPARAM *)(wp + 1);
1689 STRUCT32_WINDOWPOS32to16(wp, MapSL(lParam));
1690 HeapFree( GetProcessHeap(), 0, wp );
1691 }
1692 break;
1693 case WM_GETDLGCODE:
1694 if (lParam)
1695 {
1696 LPMSG msg32 = (LPMSG)lParam;
1697
1698 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1699 result);
1700 HeapFree( GetProcessHeap(), 0, msg32 );
1701 }
1702 break;
1703 case WM_NEXTMENU:
1704 {
1705 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
1706 result = MAKELONG( HMENU_16(next->hmenuNext), HWND_16(next->hwndNext) );
1707 HeapFree( GetProcessHeap(), 0, next );
1708 }
1709 break;
1710 }
1711 return result;
1712 }
1713
1714
1715 /**********************************************************************
1716 * WINPROC_MapMsg16To32W
1717 *
1718 * Map a message from 16- to 32-bit Unicode.
1719 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1720 */
1721 INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1722 WPARAM *pwparam32, LPARAM *plparam )
1723 {
1724 BYTE ch;
1725 WCHAR wch;
1726
1727 *pmsg32=(UINT)msg16;
1728 *pwparam32 = (WPARAM)wParam16;
1729 switch(msg16)
1730 {
1731 case WM_GETTEXT:
1732 case WM_SETTEXT:
1733 case WM_WININICHANGE:
1734 case WM_DEVMODECHANGE:
1735 case WM_ASKCBFORMATNAME:
1736 *plparam = (LPARAM)MapSL(*plparam);
1737 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1738 case WM_GETTEXTLENGTH:
1739 case CB_GETLBTEXTLEN:
1740 case LB_GETTEXTLEN:
1741 return 1; /* need to map result */
1742 case WM_NCCREATE:
1743 case WM_CREATE:
1744 {
1745 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1746 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1747 sizeof(*cs) + sizeof(LPARAM) );
1748 if (!cs) return -1;
1749 STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1750 cs->lpszName = map_str_16_to_32W(cs16->lpszName);
1751 cs->lpszClass = map_str_16_to_32W(cs16->lpszClass);
1752
1753 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1754 {
1755 MDICREATESTRUCT16 *mdi_cs16;
1756 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)HeapAlloc(GetProcessHeap(), 0,
1757 sizeof(*mdi_cs));
1758 if (!mdi_cs)
1759 {
1760 HeapFree(GetProcessHeap(), 0, cs);
1761 return -1;
1762 }
1763 mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs16->lpCreateParams);
1764 STRUCT32_MDICREATESTRUCT16to32A(mdi_cs16, (MDICREATESTRUCTA *)mdi_cs);
1765 mdi_cs->szTitle = map_str_16_to_32W(mdi_cs16->szTitle);
1766 mdi_cs->szClass = map_str_16_to_32W(mdi_cs16->szClass);
1767
1768 cs->lpCreateParams = mdi_cs;
1769 }
1770 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1771 *plparam = (LPARAM)cs;
1772 }
1773 return 1;
1774 case WM_MDICREATE:
1775 {
1776 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1777 MDICREATESTRUCTW *cs =
1778 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1779 sizeof(*cs) + sizeof(LPARAM) );
1780 if (!cs) return -1;
1781 STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1782 cs->szTitle = map_str_16_to_32W(cs16->szTitle);
1783 cs->szClass = map_str_16_to_32W(cs16->szClass);
1784 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1785 *plparam = (LPARAM)cs;
1786 }
1787 return 1;
1788 case WM_GETDLGCODE:
1789 if (*plparam)
1790 {
1791 LPMSG16 msg16 = MapSL(*plparam);
1792 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1793
1794 if (!msg32) return -1;
1795 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1796 msg32->lParam = msg16->lParam;
1797 msg32->time = msg16->time;
1798 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1799 /* this is right, right? */
1800 if (WINPROC_MapMsg16To32W(hwnd, msg16->message,msg16->wParam,
1801 &msg32->message,&msg32->wParam,
1802 &msg32->lParam)<0) {
1803 HeapFree( GetProcessHeap(), 0, msg32 );
1804 return -1;
1805 }
1806 *plparam = (LPARAM)msg32;
1807 return 1;
1808 }
1809 else return 0;
1810
1811 case WM_CHARTOITEM:
1812 ch = wParam16;
1813 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1814 *pwparam32 = MAKEWPARAM( wch, HIWORD(*plparam) );
1815 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1816 return 0;
1817 case WM_MENUCHAR:
1818 ch = wParam16;
1819 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1820 *pwparam32 = MAKEWPARAM( wch, LOWORD(*plparam) );
1821 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1822 return 0;
1823 case WM_CHAR:
1824 case WM_DEADCHAR:
1825 case WM_SYSCHAR:
1826 case WM_SYSDEADCHAR:
1827 ch = wParam16;
1828 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1829 *pwparam32 = wch;
1830 return 0;
1831 case WM_IME_CHAR:
1832 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1833
1834 default: /* No Unicode translation needed */
1835 return WINPROC_MapMsg16To32A( hwnd, msg16, wParam16, pmsg32,
1836 pwparam32, plparam );
1837 }
1838 }
1839
1840
1841 /**********************************************************************
1842 * WINPROC_UnmapMsg16To32W
1843 *
1844 * Unmap a message that was mapped from 16- to 32-bit Unicode.
1845 */
1846 LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1847 LRESULT result )
1848 {
1849 switch(msg)
1850 {
1851 case WM_GETTEXT:
1852 case WM_SETTEXT:
1853 case WM_GETTEXTLENGTH:
1854 case CB_GETLBTEXTLEN:
1855 case LB_GETTEXTLEN:
1856 case WM_ASKCBFORMATNAME:
1857 return WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
1858 case WM_NCCREATE:
1859 case WM_CREATE:
1860 {
1861 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
1862 lParam = *(LPARAM *)(cs + 1);
1863 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs, MapSL(lParam) );
1864 unmap_str_16_to_32W( cs->lpszName );
1865 unmap_str_16_to_32W( cs->lpszClass );
1866
1867 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1868 {
1869 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)cs->lpCreateParams;
1870 unmap_str_16_to_32W( mdi_cs->szTitle );
1871 unmap_str_16_to_32W( mdi_cs->szClass );
1872 HeapFree(GetProcessHeap(), 0, cs->lpCreateParams);
1873 }
1874 HeapFree( GetProcessHeap(), 0, cs );
1875 }
1876 break;
1877 case WM_MDICREATE:
1878 {
1879 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
1880 lParam = *(LPARAM *)(cs + 1);
1881 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs, MapSL(lParam) );
1882 unmap_str_16_to_32W( cs->szTitle );
1883 unmap_str_16_to_32W( cs->szClass );
1884 HeapFree( GetProcessHeap(), 0, cs );
1885 }
1886 break;
1887 case WM_GETDLGCODE:
1888 if (lParam)
1889 {
1890 LPMSG msg32 = (LPMSG)lParam;
1891
1892 WINPROC_UnmapMsg16To32W( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1893 result);
1894 HeapFree( GetProcessHeap(), 0, msg32 );
1895 }
1896 break;
1897 default:
1898 return WINPROC_UnmapMsg16To32A( hwnd, msg, wParam, lParam, result );
1899 }
1900 return result;
1901 }
1902
1903 static HANDLE16 convert_handle_32_to_16(UINT src, unsigned int flags)
1904 {
1905 HANDLE16 dst;
1906 UINT sz = GlobalSize((HANDLE)src);
1907 LPSTR ptr16, ptr32;
1908
1909 if (!(dst = GlobalAlloc16(flags, sz)))
1910 return 0;
1911 ptr32 = GlobalLock((HANDLE)src);
1912 ptr16 = GlobalLock16(dst);
1913 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr16, ptr32, sz);
1914 GlobalUnlock((HANDLE)src);
1915 GlobalUnlock16(dst);
1916
1917 return dst;
1918 }
1919
1920
1921 /**********************************************************************
1922 * WINPROC_MapMsg32ATo16
1923 *
1924 * Map a message from 32-bit Ansi to 16-bit.
1925 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1926 */
1927 INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
1928 UINT16 *pmsg16, WPARAM16 *pwparam16,
1929 LPARAM *plparam )
1930 {
1931 *pmsg16 = (UINT16)msg32;
1932 *pwparam16 = (WPARAM16)LOWORD(wParam32);
1933 switch(msg32)
1934 {
1935 case BM_GETCHECK:
1936 case BM_SETCHECK:
1937 case BM_GETSTATE:
1938 case BM_SETSTATE:
1939 case BM_SETSTYLE:
1940 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1941 return 0;
1942
1943 case EM_GETSEL:
1944 case EM_GETRECT:
1945 case EM_SETRECT:
1946 case EM_SETRECTNP:
1947 case EM_SCROLL:
1948 case EM_LINESCROLL:
1949 case EM_SCROLLCARET:
1950 case EM_GETMODIFY:
1951 case EM_SETMODIFY:
1952 case EM_GETLINECOUNT:
1953 case EM_LINEINDEX:
1954 case EM_SETHANDLE:
1955 case EM_GETHANDLE:
1956 case EM_GETTHUMB:
1957 case EM_LINELENGTH:
1958 case EM_REPLACESEL:
1959 case EM_GETLINE:
1960 case EM_LIMITTEXT:
1961 case EM_CANUNDO:
1962 case EM_UNDO:
1963 case EM_FMTLINES:
1964 case EM_LINEFROMCHAR:
1965 case EM_SETTABSTOPS:
1966 case EM_SETPASSWORDCHAR:
1967 case EM_EMPTYUNDOBUFFER:
1968 case EM_GETFIRSTVISIBLELINE:
1969 case EM_SETREADONLY:
1970 case EM_SETWORDBREAKPROC:
1971 case EM_GETWORDBREAKPROC:
1972 case EM_GETPASSWORDCHAR:
1973 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1974 return 0;
1975
1976 case LB_CARETOFF:
1977 case LB_CARETON:
1978 case LB_DELETESTRING:
1979 case LB_GETANCHORINDEX:
1980 case LB_GETCARETINDEX:
1981 case LB_GETCOUNT:
1982 case LB_GETCURSEL:
1983 case LB_GETHORIZONTALEXTENT:
1984 case LB_GETITEMDATA:
1985 case LB_GETITEMHEIGHT:
1986 case LB_GETSEL:
1987 case LB_GETSELCOUNT:
1988 case LB_GETTEXTLEN:
1989 case LB_GETTOPINDEX:
1990 case LB_RESETCONTENT:
1991 case LB_SELITEMRANGE:
1992 case LB_SELITEMRANGEEX:
1993 case LB_SETANCHORINDEX:
1994 case LB_SETCARETINDEX:
1995 case LB_SETCOLUMNWIDTH:
1996 case LB_SETCURSEL:
1997 case LB_SETHORIZONTALEXTENT:
1998 case LB_SETITEMDATA:
1999 case LB_SETITEMHEIGHT:
2000 case LB_SETSEL:
2001 case LB_SETTOPINDEX:
2002 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2003 return 0;
2004 case CB_DELETESTRING:
2005 case CB_GETCOUNT:
2006 case CB_GETLBTEXTLEN:
2007 case CB_LIMITTEXT:
2008 case CB_RESETCONTENT:
2009 case CB_SETEDITSEL:
2010 case CB_GETCURSEL:
2011 case CB_SETCURSEL:
2012 case CB_SHOWDROPDOWN:
2013 case CB_SETITEMDATA:
2014 case CB_SETITEMHEIGHT:
2015 case CB_GETITEMHEIGHT:
2016 case CB_SETEXTENDEDUI:
2017 case CB_GETEXTENDEDUI:
2018 case CB_GETDROPPEDSTATE:
2019 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
2020 return 0;
2021 case CB_GETEDITSEL:
2022 *pmsg16 = CB_GETEDITSEL16;
2023 return 1;
2024
2025 case LB_ADDSTRING:
2026 case LB_FINDSTRING:
2027 case LB_FINDSTRINGEXACT:
2028 case LB_INSERTSTRING:
2029 case LB_SELECTSTRING:
2030 case LB_DIR:
2031 case LB_ADDFILE:
2032 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
2033 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2034 return 1;
2035
2036 case CB_ADDSTRING:
2037 case CB_FINDSTRING:
2038 case CB_FINDSTRINGEXACT:
2039 case CB_INSERTSTRING:
2040 case CB_SELECTSTRING:
2041 case CB_DIR:
2042 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
2043 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
2044 return 1;
2045
2046 case LB_GETITEMRECT:
2047 {
2048 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2049 if (!rect) return -1;
2050 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2051 *plparam = MapLS( rect );
2052 }
2053 *pmsg16 = LB_GETITEMRECT16;
2054 return 1;
2055 case LB_GETSELITEMS:
2056 {
2057 LPINT16 items;
2058 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2059 if (!(items = HeapAlloc( GetProcessHeap(), 0,
2060 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2061 *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */
2062 *plparam = MapLS( items );
2063 }
2064 *pmsg16 = LB_GETSELITEMS16;
2065 return 1;
2066 case LB_SETTABSTOPS:
2067 if (wParam32)
2068 {
2069 INT i;
2070 LPINT16 stops;
2071 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2072 if (!(stops = HeapAlloc( GetProcessHeap(), 0,
2073 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2074 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
2075 *plparam = MapLS( stops );
2076 return 1;
2077 }
2078 *pmsg16 = LB_SETTABSTOPS16;
2079 return 0;
2080
2081 case CB_GETDROPPEDCONTROLRECT:
2082 {
2083 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2084 if (!rect) return -1;
2085 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2086 *plparam = (LPARAM)MapLS(rect);
2087 }
2088 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
2089 return 1;
2090
2091 case LB_GETTEXT:
2092 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2093 *pmsg16 = LB_GETTEXT16;
2094 return 1;
2095
2096 case CB_GETLBTEXT:
2097 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2098 *pmsg16 = CB_GETLBTEXT16;
2099 return 1;
2100
2101 case EM_SETSEL:
2102 *pwparam16 = 0;
2103 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
2104 *pmsg16 = EM_SETSEL16;
2105 return 0;
2106
2107 case WM_ACTIVATE:
2108 case WM_CHARTOITEM:
2109 case WM_COMMAND:
2110 case WM_VKEYTOITEM:
2111 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2112 return 0;
2113 case WM_HSCROLL:
2114 case WM_VSCROLL:
2115 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
2116 return 0;
2117 case WM_CTLCOLORMSGBOX:
2118 case WM_CTLCOLOREDIT:
2119 case WM_CTLCOLORLISTBOX:
2120 case WM_CTLCOLORBTN:
2121 case WM_CTLCOLORDLG:
2122 case WM_CTLCOLORSCROLLBAR:
2123 case WM_CTLCOLORSTATIC:
2124 *pmsg16 = WM_CTLCOLOR;
2125 *plparam = MAKELPARAM( (HWND16)*plparam,
2126 (WORD)msg32 - WM_CTLCOLORMSGBOX );
2127 return 0;
2128 case WM_COMPAREITEM:
2129 {
2130 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
2131 COMPAREITEMSTRUCT16 *cis = HeapAlloc( GetProcessHeap(), 0, sizeof(COMPAREITEMSTRUCT16));
2132 if (!cis) return -1;
2133 cis->CtlType = (UINT16)cis32->CtlType;
2134 cis->CtlID = (UINT16)cis32->CtlID;
2135 cis->hwndItem = HWND_16( cis32->hwndItem );
2136 cis->itemID1 = (UINT16)cis32->itemID1;
2137 cis->itemData1 = cis32->itemData1;
2138 cis->itemID2 = (UINT16)cis32->itemID2;
2139 cis->itemData2 = cis32->itemData2;
2140 *plparam = MapLS( cis );
2141 }
2142 return 1;
2143 case WM_DELETEITEM:
2144 {
2145 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
2146 DELETEITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DELETEITEMSTRUCT16) );
2147 if (!dis) return -1;
2148 dis->CtlType = (UINT16)dis32->CtlType;
2149 dis->CtlID = (UINT16)dis32->CtlID;
2150 dis->itemID = (UINT16)dis32->itemID;
2151 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
2152 : HWND_16( dis32->hwndItem );
2153 dis->itemData = dis32->itemData;
2154 *plparam = MapLS( dis );
2155 }
2156 return 1;
2157 case WM_DRAWITEM:
2158 {
2159 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
2160 DRAWITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DRAWITEMSTRUCT16) );
2161 if (!dis) return -1;
2162 dis->CtlType = (UINT16)dis32->CtlType;
2163 dis->CtlID = (UINT16)dis32->CtlID;
2164 dis->itemID = (UINT16)dis32->itemID;
2165 dis->itemAction = (UINT16)dis32->itemAction;
2166 dis->itemState = (UINT16)dis32->itemState;
2167 dis->hwndItem = HWND_16( dis32->hwndItem );
2168 dis->hDC = HDC_16(dis32->hDC);
2169 dis->itemData = dis32->itemData;
2170 CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem );
2171 *plparam = MapLS( dis );
2172 }
2173 return 1;
2174 case WM_MEASUREITEM:
2175 {
2176 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
2177 MEASUREITEMSTRUCT16 *mis = HeapAlloc( GetProcessHeap(), 0, sizeof(*mis)+sizeof(LPARAM));
2178 if (!mis) return -1;
2179 mis->CtlType = (UINT16)mis32->CtlType;
2180 mis->CtlID = (UINT16)mis32->CtlID;
2181 mis->itemID = (UINT16)mis32->itemID;
2182 mis->itemWidth = (UINT16)mis32->itemWidth;
2183 mis->itemHeight = (UINT16)mis32->itemHeight;
2184 mis->itemData = mis32->itemData;
2185 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
2186 *plparam = MapLS( mis );
2187 }
2188 return 1;
2189 case WM_GETMINMAXINFO:
2190 {
2191 MINMAXINFO16 *mmi = HeapAlloc( GetProcessHeap(), 0, sizeof(*mmi) + sizeof(LPARAM) );
2192 if (!mmi) return -1;
2193 STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
2194 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
2195 *plparam = MapLS( mmi );
2196 }
2197 return 1;
2198 case WM_GETTEXT:
2199 case WM_ASKCBFORMATNAME:
2200 {
2201 LPSTR str;
2202 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
2203 if (!(str = HeapAlloc( GetProcessHeap(), 0, *pwparam16 + sizeof(LPARAM)))) return -1;
2204 *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */
2205 *plparam = MapLS( str );
2206 }
2207 return 1;
2208 case WM_MDICREATE:
2209 {
2210 MDICREATESTRUCT16 *cs;
2211 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
2212
2213 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2214 STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs );
2215 cs->szTitle = MapLS( cs32->szTitle );
2216 cs->szClass = MapLS( cs32->szClass );
2217 *plparam = MapLS( cs );
2218 }
2219 return 1;
2220 case WM_MDIGETACTIVE:
2221 return 1;
2222 case WM_MDISETMENU:
2223 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
2224 (HMENU16)LOWORD(*plparam) );
2225 *pwparam16 = (*plparam == 0);
2226 return 0;
2227 case WM_MENUSELECT:
2228 if(HIWORD(wParam32) & MF_POPUP)
2229 {
2230 HMENU hmenu;
2231 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
2232 {
2233 if((hmenu = GetSubMenu((HMENU)*plparam, *pwparam16)))
2234 *pwparam16=HMENU_16(hmenu);
2235 }
2236 }
2237 /* fall through */
2238 case WM_MENUCHAR:
2239 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2240 return 0;
2241 case WM_MDIACTIVATE:
2242 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
2243 {
2244 *pwparam16 = ((HWND)*plparam == hwnd);
2245 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
2246 (HWND16)LOWORD(wParam32) );
2247 }
2248 else
2249 {
2250 *pwparam16 = HWND_16( (HWND)wParam32 );
2251 *plparam = 0;
2252 }
2253 return 0;
2254 case WM_NCCALCSIZE:
2255 {
2256 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
2257 NCCALCSIZE_PARAMS16 *nc = HeapAlloc( GetProcessHeap(), 0, sizeof(*nc) + sizeof(LPARAM));
2258 if (!nc) return -1;
2259
2260 CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] );
2261 if (wParam32)
2262 {
2263 WINDOWPOS16 *wp;
2264 CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] );
2265 CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] );
2266 if (!(wp = HeapAlloc( GetProcessHeap(), 0, sizeof(WINDOWPOS16) )))
2267 {
2268 HeapFree( GetProcessHeap(), 0, nc );
2269 return -1;
2270 }
2271 STRUCT32_WINDOWPOS32to16( nc32->lppos, wp );
2272 nc->lppos = MapLS( wp );
2273 }
2274 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
2275 *plparam = MapLS( nc );
2276 }
2277 return 1;
2278 case WM_NCCREATE:
2279 case WM_CREATE:
2280 {
2281 CREATESTRUCT16 *cs;
2282 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
2283
2284 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2285 STRUCT32_CREATESTRUCT32Ato16( cs32, cs );
2286 cs->lpszName = MapLS( cs32->lpszName );
2287 cs->lpszClass = MapLS( cs32->lpszClass );
2288
2289 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2290 {
2291 MDICREATESTRUCT16 *mdi_cs16;
2292 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)cs32->lpCreateParams;
2293 mdi_cs16 = HeapAlloc(GetProcessHeap(), 0, sizeof(*mdi_cs16));
2294 if (!mdi_cs16)
2295 {
2296 HeapFree(GetProcessHeap(), 0, cs);
2297 return -1;
2298 }
2299 STRUCT32_MDICREATESTRUCT32Ato16(mdi_cs, mdi_cs16);
2300 mdi_cs16->szTitle = MapLS( mdi_cs->szTitle );
2301 mdi_cs16->szClass = MapLS( mdi_cs->szClass );
2302 cs->lpCreateParams = MapLS( mdi_cs16 );
2303 }
2304 *plparam = MapLS( cs );
2305 }
2306 return 1;
2307 case WM_PARENTNOTIFY:
2308 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
2309 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
2310 /* else nothing to do */
2311 return 0;
2312 case WM_NOTIFY:
2313 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
2314 return 1;
2315 case WM_SETTEXT:
2316 case WM_WININICHANGE:
2317 case WM_DEVMODECHANGE:
2318 *plparam = MapLS( (LPSTR)*plparam );
2319 return 1;
2320 case WM_WINDOWPOSCHANGING:
2321 case WM_WINDOWPOSCHANGED:
2322 {
2323 WINDOWPOS16 *wp = HeapAlloc( GetProcessHeap(), 0, sizeof(*wp) + sizeof(LPARAM) );
2324 if (!wp) return -1;
2325 STRUCT32_WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
2326 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
2327 *plparam = MapLS( wp );
2328 }
2329 return 1;
2330 case WM_GETDLGCODE:
2331 if (*plparam) {
2332 LPMSG msg32 = (LPMSG) *plparam;
2333 LPMSG16 msg16 = HeapAlloc( GetProcessHeap(), 0, sizeof(MSG16) );
2334
2335 if (!msg16) return -1;
2336 msg16->hwnd = HWND_16( msg32->hwnd );
2337 msg16->lParam = msg32->lParam;
2338 msg16->time = msg32->time;
2339 CONV_POINT32TO16(&msg32->pt,&msg16->pt);
2340 /* this is right, right? */
2341 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
2342 &msg16->message,&msg16->wParam, &msg16->lParam)<0)
2343 {
2344 HeapFree( GetProcessHeap(), 0, msg16 );
2345 return -1;
2346 }
2347 *plparam = MapLS( msg16 );
2348 return 1;
2349 }
2350 return 0;
2351
2352 case WM_ACTIVATEAPP:
2353 if (*plparam) *plparam = HTASK_16( (HANDLE)*plparam );
2354 return 0;
2355 case WM_NEXTMENU:
2356 {
2357 MDINEXTMENU *next = (MDINEXTMENU *)*plparam;
2358 *plparam = (LPARAM)next->hmenuIn;
2359 return 1;
2360 }
2361 case WM_PAINTCLIPBOARD:
2362 case WM_SIZECLIPBOARD:
2363 FIXME_(msg)("message %04x needs translation\n", msg32 );
2364 return -1;
2365 /* following messages should not be sent to 16-bit apps */
2366 case WM_SIZING:
2367 case WM_MOVING:
2368 case WM_CAPTURECHANGED:
2369 case WM_STYLECHANGING:
2370 case WM_STYLECHANGED:
2371 return -1;
2372 case WM_DDE_INITIATE:
2373 case WM_DDE_TERMINATE:
2374 case WM_DDE_UNADVISE:
2375 case WM_DDE_REQUEST:
2376 *pwparam16 = HWND_16((HWND)wParam32);
2377 return 0;
2378 case WM_DDE_ADVISE:
2379 case WM_DDE_DATA:
2380 case WM_DDE_POKE:
2381 {
2382 UINT lo32, hi;
2383 HANDLE16 lo16 = 0;
2384
2385 *pwparam16 = HWND_16((HWND)wParam32);
2386 UnpackDDElParam(msg32, *plparam, &lo32, &hi);
2387 if (lo32 && !(lo16 = convert_handle_32_to_16(lo32, GMEM_DDESHARE)))
2388 return -1;
2389 *plparam = MAKELPARAM(lo16, hi);
2390 }
2391 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2392 case WM_DDE_ACK:
2393 {
2394 UINT lo, hi;
2395 int flag = 0;
2396 char buf[2];
2397
2398 *pwparam16 = HWND_16((HWND)wParam32);
2399
2400 UnpackDDElParam(msg32, *plparam, &lo, &hi);
2401
2402 if (GlobalGetAtomNameA((ATOM)hi, buf, sizeof(buf)) > 0) flag |= 1;
2403 if (GlobalSize((HANDLE)hi) != 0) flag |= 2;
2404 switch (flag)
2405 {
2406 case 0:
2407 if (hi)
2408 {
2409 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
2410 hi = 0;
2411 }
2412 break;
2413 case 1:
2414 break; /* atom, nothing to do */
2415 case 3:
2416 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
2417 /* fall thru */
2418 case 2:
2419 hi = convert_handle_32_to_16(hi, GMEM_DDESHARE);
2420 break;
2421 }
2422 *plparam = MAKELPARAM(lo, hi);
2423 }
2424 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2425 case WM_DDE_EXECUTE:
2426 *plparam = convert_handle_32_to_16(*plparam, GMEM_DDESHARE);
2427 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2428 default: /* No translation needed */
2429 return 0;
2430 }
2431 }
2432
2433
2434 /**********************************************************************
2435 * WINPROC_UnmapMsg32ATo16
2436 *
2437 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
2438 */
2439 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2440 MSGPARAM16* p16 )
2441 {
2442 switch(msg)
2443 {
2444 case LB_ADDFILE:
2445 case LB_ADDSTRING:
2446 case LB_DIR:
2447 case LB_FINDSTRING:
2448 case LB_FINDSTRINGEXACT:
2449 case LB_INSERTSTRING:
2450 case LB_SELECTSTRING:
2451 case LB_GETTEXT:
2452 case CB_ADDSTRING:
2453 case CB_FINDSTRING:
2454 case CB_FINDSTRINGEXACT:
2455 case CB_INSERTSTRING:
2456 case CB_SELECTSTRING:
2457 case CB_DIR:
2458 case CB_GETLBTEXT:
2459 case WM_SETTEXT:
2460 case WM_WININICHANGE:
2461 case WM_DEVMODECHANGE:
2462 UnMapLS( (SEGPTR)p16->lParam );
2463 break;
2464 case LB_SETTABSTOPS:
2465 case WM_COMPAREITEM:
2466 case WM_DELETEITEM:
2467 case WM_DRAWITEM:
2468 {
2469 void *ptr = MapSL( p16->lParam );
2470 UnMapLS( p16->lParam );
2471 HeapFree( GetProcessHeap(), 0, ptr );
2472 }
2473 break;
2474 case CB_GETDROPPEDCONTROLRECT:
2475 case LB_GETITEMRECT:
2476 {
2477 RECT16 *rect = MapSL(p16->lParam);
2478 UnMapLS( p16->lParam );
2479 p16->lParam = *(LPARAM *)(rect + 1);
2480 CONV_RECT16TO32( rect, (RECT *)(p16->lParam));
2481 HeapFree( GetProcessHeap(), 0, rect );
2482 }
2483 break;
2484 case LB_GETSELITEMS:
2485 {
2486 INT i;
2487 LPINT16 items = MapSL(p16->lParam);
2488 UnMapLS( p16->lParam );
2489 p16->lParam = *((LPARAM *)items - 1);
2490 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2491 HeapFree( GetProcessHeap(), 0, (LPARAM *)items - 1 );
2492 }
2493 break;
2494
2495 case CB_GETEDITSEL:
2496 if( wParam )
2497 *((PUINT)(wParam)) = LOWORD(p16->lResult);
2498 if( lParam )
2499 *((PUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2500 break;
2501
2502 case WM_MEASUREITEM:
2503 {
2504 MEASUREITEMSTRUCT16 *mis = MapSL(p16->lParam);
2505 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2506 mis32->itemWidth = mis->itemWidth;
2507 mis32->itemHeight = mis->itemHeight;
2508 UnMapLS( p16->lParam );
2509 HeapFree( GetProcessHeap(), 0, mis );
2510 }
2511 break;
2512 case WM_GETMINMAXINFO:
2513 {
2514 MINMAXINFO16 *mmi = MapSL(p16->lParam);
2515 UnMapLS( p16->lParam );
2516 p16->lParam = *(LPARAM *)(mmi + 1);
2517 STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2518 HeapFree( GetProcessHeap(), 0, mmi );
2519 }
2520 break;
2521 case WM_GETTEXT:
2522 case WM_ASKCBFORMATNAME:
2523 {
2524 LPSTR str = MapSL(p16->lParam);
2525 UnMapLS( p16->lParam );
2526 p16->lParam = *((LPARAM *)str - 1);
2527 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2528 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2529 }
2530 break;
2531 case WM_MDICREATE:
2532 {
2533 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2534 UnMapLS( cs->szTitle );
2535 UnMapLS( cs->szClass );
2536 UnMapLS( p16->lParam );
2537 HeapFree( GetProcessHeap(), 0, cs );
2538 }
2539 break;
2540 case WM_MDIGETACTIVE:
2541 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2542 p16->lResult = (LRESULT)WIN_Handle32( LOWORD(p16->lResult) );
2543 break;
2544 case WM_NCCALCSIZE:
2545 {
2546 NCCALCSIZE_PARAMS *nc32;
2547 NCCALCSIZE_PARAMS16 *nc = MapSL(p16->lParam);
2548 UnMapLS( p16->lParam );
2549 p16->lParam = *(LPARAM *)(nc + 1);
2550 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2551 CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] );
2552 if (p16->wParam)
2553 {
2554 WINDOWPOS16 *pos = MapSL(nc->lppos);
2555 UnMapLS( nc->lppos );
2556 CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] );
2557 CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] );
2558 STRUCT32_WINDOWPOS16to32( pos, nc32->lppos );
2559 HeapFree( GetProcessHeap(), 0, pos );
2560 }
2561 HeapFree( GetProcessHeap(), 0, nc );
2562 }
2563 break;
2564 case WM_NCCREATE:
2565 case WM_CREATE:
2566 {
2567 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2568 UnMapLS( p16->lParam );
2569 UnMapLS( cs->lpszName );
2570 UnMapLS( cs->lpszClass );
2571 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2572 {
2573 MDICREATESTRUCT16 *mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs->lpCreateParams);
2574 UnMapLS( cs->lpCreateParams );
2575 UnMapLS( mdi_cs16->szTitle );
2576 UnMapLS( mdi_cs16->szClass );
2577 HeapFree(GetProcessHeap(), 0, mdi_cs16);
2578 }
2579 HeapFree( GetProcessHeap(), 0, cs );
2580 }
2581 break;
2582 case WM_WINDOWPOSCHANGING:
2583 case WM_WINDOWPOSCHANGED:
2584 {
2585 WINDOWPOS16 *wp = MapSL(p16->lParam);
2586 UnMapLS( p16->lParam );
2587 p16->lParam = *(LPARAM *)(wp + 1);
2588 STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2589 HeapFree( GetProcessHeap(), 0, wp );
2590 }
2591 break;
2592 case WM_NOTIFY:
2593 UnMapLS(p16->lParam);
2594 break;
2595 case WM_GETDLGCODE:
2596 if (p16->lParam)
2597 {
2598 LPMSG16 msg16 = MapSL(p16->lParam);
2599 MSGPARAM16 msgp16;
2600 UnMapLS( p16->lParam );
2601 msgp16.wParam=msg16->wParam;
2602 msgp16.lParam=msg16->lParam;
2603 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2604 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2605 &msgp16 );
2606 HeapFree( GetProcessHeap(), 0, msg16 );
2607 }
2608 break;
2609 case WM_NEXTMENU:
2610 {
2611 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
2612 next->hmenuNext = HMENU_32( LOWORD(p16->lResult) );
2613 next->hwndNext = WIN_Handle32( HIWORD(p16->lResult) );
2614 p16->lResult = 0;
2615 }
2616 break;
2617 }
2618 }
2619
2620
2621 /**********************************************************************
2622 * WINPROC_MapMsg32WTo16
2623 *
2624 * Map a message from 32-bit Unicode to 16-bit.
2625 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2626 */
2627 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2628 UINT16 *pmsg16, WPARAM16 *pwparam16,
2629 LPARAM *plparam )
2630 {
2631 BYTE ch;
2632 WCHAR wch;
2633
2634 *pmsg16 = LOWORD(msg32);
2635 *pwparam16 = LOWORD(wParam32);
2636 switch(msg32)
2637 {
2638 case LB_ADDSTRING:
2639 case LB_FINDSTRING:
2640 case LB_FINDSTRINGEXACT:
2641 case LB_INSERTSTRING:
2642 case LB_SELECTSTRING:
2643 case LB_DIR:
2644 case LB_ADDFILE:
2645 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2646 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2647 return 1;
2648
2649 case CB_ADDSTRING:
2650 case CB_FINDSTRING:
2651 case CB_FINDSTRINGEXACT:
2652 case CB_INSERTSTRING:
2653 case CB_SELECTSTRING:
2654 case CB_DIR:
2655 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2656 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2657 return 1;
2658
2659 case WM_NCCREATE:
2660 case WM_CREATE:
2661 {
2662 CREATESTRUCT16 *cs;
2663 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2664
2665 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2666 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2667 cs->lpszName = map_str_32W_to_16( cs32->lpszName );
2668 cs->lpszClass = map_str_32W_to_16( cs32->lpszClass );
2669
2670 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2671 {
2672 MDICREATESTRUCT16 *mdi_cs16;
2673 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)cs32->lpCreateParams;
2674 mdi_cs16 = HeapAlloc(GetProcessHeap(), 0, sizeof(*mdi_cs16));
2675 if (!mdi_cs16)
2676 {
2677 HeapFree(GetProcessHeap(), 0, cs);
2678 return -1;
2679 }
2680 STRUCT32_MDICREATESTRUCT32Ato16((MDICREATESTRUCTA *)mdi_cs, mdi_cs16);
2681 mdi_cs16->szTitle = map_str_32W_to_16(mdi_cs->szTitle);
2682 mdi_cs16->szClass = map_str_32W_to_16(mdi_cs->szClass);
2683 cs->lpCreateParams = MapLS(mdi_cs16);
2684 }
2685 *plparam = MapLS(cs);
2686 }
2687 return 1;
2688 case WM_MDICREATE:
2689 {
2690 MDICREATESTRUCT16 *cs;
2691 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2692
2693 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2694 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2695 cs->szTitle = map_str_32W_to_16( cs32->szTitle );
2696 cs->szClass = map_str_32W_to_16( cs32->szClass );
2697 *plparam = MapLS(cs);
2698 }
2699 return 1;
2700 case WM_SETTEXT:
2701 case WM_WININICHANGE:
2702 case WM_DEVMODECHANGE:
2703 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2704 return 1;
2705 case LB_GETTEXT:
2706 if ( WINPROC_TestLBForStr( hwnd ))
2707 {
2708 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2709 if (!str) return -1;
2710 *pmsg16 = LB_GETTEXT16;
2711 *plparam = (LPARAM)MapLS(str);
2712 }
2713 return 1;
2714 case CB_GETLBTEXT:
2715 if ( WINPROC_TestCBForStr( hwnd ))
2716 {
2717 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2718 if (!str) return -1;
2719 *pmsg16 = CB_GETLBTEXT16;
2720 *plparam = (LPARAM)MapLS(str);
2721 }
2722 return 1;
2723
2724 case WM_CHARTOITEM:
2725 wch = LOWORD(wParam32);
2726 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2727 *pwparam16 = ch;
2728 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2729 return 0;
2730 case WM_MENUCHAR:
2731 wch = LOWORD(wParam32);
2732 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2733 *pwparam16 = ch;
2734 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2735 return 0;
2736 case WM_CHAR:
2737 case WM_DEADCHAR:
2738 case WM_SYSCHAR:
2739 case WM_SYSDEADCHAR:
2740 wch = wParam32;
2741 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2742 *pwparam16 = ch;
2743 return 0;
2744 case WM_IME_CHAR:
2745 {
2746 BYTE ch[2];
2747
2748 wch = wParam32;
2749 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL ) == 2)
2750 *pwparam16 = (ch[0] << 8) | ch[1];
2751 else
2752 *pwparam16 = ch[0];
2753 }
2754 return 0;
2755
2756 default: /* No Unicode translation needed (?) */
2757 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2758 pwparam16, plparam );
2759 }
2760 }
2761
2762
2763 /**********************************************************************
2764 * WINPROC_UnmapMsg32WTo16
2765 *
2766 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2767 */
2768 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2769 MSGPARAM16* p16 )
2770 {
2771 switch(msg)
2772 {
2773 case LB_ADDSTRING:
2774 case LB_FINDSTRING:
2775 case LB_FINDSTRINGEXACT:
2776 case LB_INSERTSTRING:
2777 case LB_SELECTSTRING:
2778 case LB_DIR:
2779 case LB_ADDFILE:
2780 case CB_ADDSTRING:
2781 case CB_FINDSTRING:
2782 case CB_FINDSTRINGEXACT:
2783 case CB_INSERTSTRING:
2784 case CB_SELECTSTRING:
2785 case CB_DIR:
2786 case WM_SETTEXT:
2787 case WM_WININICHANGE:
2788 case WM_DEVMODECHANGE:
2789 unmap_str_32W_to_16( p16->lParam );
2790 break;
2791 case WM_NCCREATE:
2792 case WM_CREATE:
2793 {
2794 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2795 UnMapLS( p16->lParam );
2796 unmap_str_32W_to_16( cs->lpszName );
2797 unmap_str_32W_to_16( cs->lpszClass );
2798
2799 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2800 {
2801 MDICREATESTRUCT16 *mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs->lpCreateParams);
2802 UnMapLS( cs->lpCreateParams );
2803 unmap_str_32W_to_16(mdi_cs16->szTitle);
2804 unmap_str_32W_to_16(mdi_cs16->szClass);
2805 HeapFree(GetProcessHeap(), 0, mdi_cs16);
2806 }
2807 HeapFree( GetProcessHeap(), 0, cs );
2808 }
2809 break;
2810 case WM_MDICREATE:
2811 {
2812 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2813 UnMapLS( p16->lParam );
2814 unmap_str_32W_to_16( cs->szTitle );
2815 unmap_str_32W_to_16( cs->szClass );
2816 HeapFree( GetProcessHeap(), 0, cs );
2817 }
2818 break;
2819 case WM_GETTEXT:
2820 case WM_ASKCBFORMATNAME:
2821 {
2822 LPSTR str = MapSL(p16->lParam);
2823 UnMapLS( p16->lParam );
2824 p16->lParam = *((LPARAM *)str - 1);
2825 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)p16->lParam, 0x7fffffff );
2826 p16->lResult = strlenW( (LPWSTR)p16->lParam );
2827 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2828 }
2829 break;
2830 case LB_GETTEXT:
2831 if ( WINPROC_TestLBForStr( hwnd ))
2832 {
2833 LPSTR str = MapSL(p16->lParam);
2834 UnMapLS( p16->lParam );
2835 p16->lResult = MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff ) - 1;
2836 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2837 }
2838 break;
2839 case CB_GETLBTEXT:
2840 if ( WINPROC_TestCBForStr( hwnd ))
2841 {
2842 LPSTR str = MapSL(p16->lParam);
2843 UnMapLS( p16->lParam );
2844 p16->lResult = MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff ) - 1;
2845 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2846 }
2847 break;
2848 default:
2849 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2850 break;
2851 }
2852 }
2853
2854
2855 /**********************************************************************
2856 * WINPROC_CallProc32ATo32W
2857 *
2858 * Call a window procedure, translating args from Ansi to Unicode.
2859 */
2860 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2861 UINT msg, WPARAM wParam,
2862 LPARAM lParam )
2863 {
2864 LRESULT result;
2865 int unmap;
2866
2867 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2868 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2869
2870 if( (unmap = WINPROC_MapMsg32ATo32W( hwnd, msg, &wParam, &lParam )) == -1) {
2871 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2872 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2873 return 0;
2874 }
2875 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2876 if (unmap) result = WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
2877 return result;
2878 }
2879
2880
2881 /**********************************************************************
2882 * WINPROC_CallProc32WTo32A
2883 *
2884 * Call a window procedure, translating args from Unicode to Ansi.
2885 */
2886 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
2887 UINT msg, WPARAM wParam,
2888 LPARAM lParam )
2889 {
2890 LRESULT result;
2891 int unmap;
2892
2893 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2894 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2895
2896 if ((unmap = WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam )) == -1) {
2897 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2898 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2899 return 0;
2900 }
2901 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2902 if( unmap ) result = WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam, result );
2903 return result;
2904 }
2905
2906
2907 /**********************************************************************
2908 * __wine_call_wndproc_32A (USER.1010)
2909 */
2910 LRESULT WINAPI __wine_call_wndproc_32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
2911 WNDPROC func )
2912 {
2913 LRESULT result;
2914 UINT msg32;
2915 WPARAM wParam32;
2916 HWND hwnd32 = WIN_Handle32( hwnd );
2917
2918 if (WINPROC_MapMsg16To32A( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2919 return 0;
2920 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2921 return WINPROC_UnmapMsg16To32A( hwnd32, msg32, wParam32, lParam, result );
2922 }
2923
2924
2925 /**********************************************************************
2926 * __wine_call_wndproc_32W (USER.1011)
2927 */
2928 LRESULT WINAPI __wine_call_wndproc_32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
2929 WNDPROC func )
2930 {
2931 LRESULT result;
2932 UINT msg32;
2933 WPARAM wParam32;
2934 HWND hwnd32 = WIN_Handle32( hwnd );
2935
2936 if (WINPROC_MapMsg16To32W( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2937 return 0;
2938 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2939 return WINPROC_UnmapMsg16To32W( hwnd32, msg32, wParam32, lParam, result );
2940 }
2941
2942
2943 /**********************************************************************
2944 * WINPROC_CallProc32ATo16
2945 *
2946 * Call a 16-bit window procedure, translating the 32-bit args.
2947 */
2948 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
2949 UINT msg, WPARAM wParam,
2950 LPARAM lParam )
2951 {
2952 UINT16 msg16;
2953 MSGPARAM16 mp16;
2954
2955 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2956 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2957
2958 mp16.lParam = lParam;
2959 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1)
2960 return 0;
2961 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
2962 mp16.wParam, mp16.lParam );
2963 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
2964 return mp16.lResult;
2965 }
2966
2967
2968 /**********************************************************************
2969 * WINPROC_CallProc32WTo16
2970 *
2971 * Call a 16-bit window procedure, translating the 32-bit args.
2972 */
2973 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
2974 UINT msg, WPARAM wParam,
2975 LPARAM lParam )
2976 {
2977 UINT16 msg16;
2978 MSGPARAM16 mp16;
2979
2980 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2981 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2982
2983 mp16.lParam = lParam;
2984 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
2985 &mp16.lParam ) == -1)
2986 return 0;
2987 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
2988 mp16.wParam, mp16.lParam );
2989 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
2990 return mp16.lResult;
2991 }
2992
2993
2994 /**********************************************************************
2995 * CallWindowProc (USER.122)
2996 */
2997 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2998 WPARAM16 wParam, LPARAM lParam )
2999 {
3000 WINDOWPROC *proc;
3001
3002 if (!func) return 0;
3003
3004 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
3005 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
3006
3007 #if testing
3008 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_16 );
3009 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
3010 #endif
3011
3012 switch(proc->type)
3013 {
3014 case WIN_PROC_16:
3015 if (!proc->thunk.t_from32.proc) return 0;
3016 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
3017 hwnd, msg, wParam, lParam );
3018 case WIN_PROC_32A:
3019 if (!proc->thunk.t_from16.proc) return 0;
3020 return __wine_call_wndproc_32A( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
3021 case WIN_PROC_32W:
3022 if (!proc->thunk.t_from16.proc) return 0;
3023 return __wine_call_wndproc_32W( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
3024 default:
3025 WARN_(relay)("Invalid proc %p\n", proc );
3026 return 0;
3027 }
3028 }
3029
3030
3031 /**********************************************************************
3032 * CallWindowProcA (USER32.@)
3033 *
3034 * The CallWindowProc() function invokes the windows procedure _func_,
3035 * with _hwnd_ as the target window, the message specified by _msg_, and
3036 * the message parameters _wParam_ and _lParam_.
3037 *
3038 * Some kinds of argument conversion may be done, I'm not sure what.
3039 *
3040 * CallWindowProc() may be used for windows subclassing. Use
3041 * SetWindowLong() to set a new windows procedure for windows of the
3042 * subclass, and handle subclassed messages in the new windows
3043 * procedure. The new windows procedure may then use CallWindowProc()
3044 * with _func_ set to the parent class's windows procedure to dispatch
3045 * the message to the superclass.
3046 *
3047 * RETURNS
3048 *
3049 * The return value is message dependent.
3050 *
3051 * CONFORMANCE
3052 *
3053 * ECMA-234, Win32
3054 */
3055 LRESULT WINAPI CallWindowProcA(
3056 WNDPROC func, /* [in] window procedure */
3057 HWND hwnd, /* [in] target window */
3058 UINT msg, /* [in] message */
3059 WPARAM wParam, /* [in] message dependent parameter */
3060 LPARAM lParam /* [in] message dependent parameter */
3061 ) {
3062 WINDOWPROC *proc;
3063
3064 if (!func) return 0;
3065
3066 if (!(proc = WINPROC_GetPtr( func )))
3067 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3068
3069 #if testing
3070 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32A );
3071 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3072 #endif
3073
3074 switch(proc->type)
3075 {
3076 case WIN_PROC_16:
3077 if (!proc->thunk.t_from32.proc) return 0;
3078 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
3079 hwnd, msg, wParam, lParam );
3080 case WIN_PROC_32A:
3081 if (!proc->thunk.t_from16.proc) return 0;
3082 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
3083 hwnd, msg, wParam, lParam );
3084 case WIN_PROC_32W:
3085 if (!proc->thunk.t_from16.proc) return 0;
3086 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
3087 hwnd, msg, wParam, lParam );
3088 default:
3089 WARN_(relay)("Invalid proc %p\n", proc );
3090 return 0;
3091 }
3092 }
3093
3094
3095 /**********************************************************************
3096 * CallWindowProcW (USER32.@)
3097 */
3098 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
3099 WPARAM wParam, LPARAM lParam )
3100 {
3101 WINDOWPROC *proc;
3102
3103 if (!func) return 0;
3104
3105 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
3106 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3107
3108 #if testing
3109 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32W );
3110 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3111 #endif
3112
3113 switch(proc->type)
3114 {
3115 case WIN_PROC_16:
3116 if (!proc->thunk.t_from32.proc) return 0;
3117 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
3118 hwnd, msg, wParam, lParam );
3119 case WIN_PROC_32A:
3120 if (!proc->thunk.t_from16.proc) return 0;
3121 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
3122 hwnd, msg, wParam, lParam );
3123 case WIN_PROC_32W:
3124 if (!proc->thunk.t_from16.proc) return 0;
3125 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
3126 hwnd, msg, wParam, lParam );
3127 default:
3128 WARN_(relay)("Invalid proc %p\n", proc );
3129 return 0;
3130 }
3131 }
Maarten's multimedia branch