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Add comments, fix negative value from GetCurFocus.
[wine/multimedia.git] / windows / winproc.c
blob8c55e74d1a79053f284f45431eaf376eb25a0e8e
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 "win.h"
38 #include "winproc.h"
39 #include "message.h"
40 #include "user_private.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 #ifdef __i386__
52
53 #include "pshpack1.h"
54
55 /* Window procedure 16-to-32-bit thunk */
56 typedef struct
57 {
58 BYTE popl_eax; /* popl %eax (return address) */
59 BYTE pushl_func; /* pushl $proc */
60 WNDPROC proc;
61 BYTE pushl_eax; /* pushl %eax */
62 BYTE ljmp; /* ljmp relay*/
63 DWORD relay_offset; /* __wine_call_wndproc_32A/W */
64 WORD relay_sel;
65 } WINPROC_THUNK_FROM16;
66
67 /* Window procedure 32-to-16-bit thunk */
68 typedef struct
69 {
70 BYTE popl_eax; /* popl %eax (return address) */
71 BYTE pushl_func; /* pushl $proc */
72 WNDPROC16 proc;
73 BYTE pushl_eax; /* pushl %eax */
74 BYTE jmp; /* jmp relay (relative jump)*/
75 void (*relay)(); /* WINPROC_CallProc32ATo16() */
76 } WINPROC_THUNK_FROM32;
77
78 /* Simple jmp to call 32-bit procedure directly */
79 typedef struct
80 {
81 BYTE jmp; /* jmp proc (relative jump) */
82 WNDPROC proc;
83 } WINPROC_JUMP;
84
85 #include "poppack.h"
86
87 #else /* __i386__ */
88
89 typedef struct
90 {
91 WNDPROC proc;
92 } WINPROC_THUNK_FROM16;
93
94 typedef struct
95 {
96 WNDPROC16 proc;
97 } WINPROC_THUNK_FROM32;
98
99 typedef struct
100 {
101 WNDPROC proc;
102 } WINPROC_JUMP;
103
104 #endif /* __i386__ */
105
106 typedef union
107 {
108 WINPROC_THUNK_FROM16 t_from16;
109 WINPROC_THUNK_FROM32 t_from32;
110 } WINPROC_THUNK;
111
112 typedef struct tagWINDOWPROC
113 {
114 WINPROC_THUNK thunk; /* Thunk */
115 WINPROC_JUMP jmp; /* Jump */
116 BYTE type; /* Function type */
117 } WINDOWPROC;
118
119 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
120 UINT msg, WPARAM wParam,
121 LPARAM lParam );
122 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
123 UINT msg, WPARAM wParam,
124 LPARAM lParam );
125
126 #define MAX_WINPROCS (0x10000 / sizeof(WINDOWPROC))
127
128 static WINDOWPROC winproc_array[MAX_WINPROCS];
129 static UINT winproc_used;
130
131 static CRITICAL_SECTION winproc_cs;
132 static CRITICAL_SECTION_DEBUG critsect_debug =
133 {
134 0, 0, &winproc_cs,
135 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
136 0, 0, { 0, (DWORD)(__FILE__ ": winproc_cs") }
137 };
138 static CRITICAL_SECTION winproc_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
139
140 static BOOL is_valid_winproc( WINDOWPROC *proc )
141 {
142 /* check alignment */
143 if (((BYTE *)proc - (BYTE *)winproc_array) % sizeof(*proc)) return FALSE;
144 /* check array limits */
145 if (proc < winproc_array || proc >= winproc_array + winproc_used) return FALSE;
146 return (proc->type != WIN_PROC_INVALID);
147 }
148
149 /* find an existing winproc for a given function and type */
150 /* FIXME: probably should do something more clever than a linear search */
151 static inline WINDOWPROC *find_winproc( WNDPROC func, WINDOWPROCTYPE type )
152 {
153 unsigned int i;
154
155 if (type == WIN_PROC_16)
156 {
157 for (i = 0; i < winproc_used; i++)
158 {
159 if (winproc_array[i].type == type &&
160 winproc_array[i].thunk.t_from32.proc == (WNDPROC16)func)
161 return &winproc_array[i];
162 }
163 }
164 else
165 {
166 for (i = 0; i < winproc_used; i++)
167 {
168 if (winproc_array[i].type == type &&
169 winproc_array[i].thunk.t_from16.proc == func)
170 return &winproc_array[i];
171 }
172 }
173 return NULL;
174 }
175
176 /* initialize a new winproc */
177 static inline void set_winproc( WINDOWPROC *proc, WNDPROC func, WINDOWPROCTYPE type )
178 {
179 #ifdef __i386__
180 static FARPROC16 relay_32A, relay_32W;
181
182 switch(type)
183 {
184 case WIN_PROC_16:
185 proc->thunk.t_from32.popl_eax = 0x58; /* popl %eax */
186 proc->thunk.t_from32.pushl_func = 0x68; /* pushl $proc */
187 proc->thunk.t_from32.proc = (WNDPROC16)func;
188 proc->thunk.t_from32.pushl_eax = 0x50; /* pushl %eax */
189 proc->thunk.t_from32.jmp = 0xe9; /* jmp relay*/
190 proc->thunk.t_from32.relay = /* relative jump */
191 (void(*)())((DWORD)WINPROC_CallProc32ATo16 -
192 (DWORD)(&proc->thunk.t_from32.relay + 1));
193 break;
194 case WIN_PROC_32A:
195 if (!relay_32A) relay_32A = GetProcAddress16( GetModuleHandle16("user"),
196 "__wine_call_wndproc_32A" );
197 proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */
198 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
199 proc->thunk.t_from16.proc = func;
200 proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */
201 proc->thunk.t_from16.ljmp = 0xea; /* ljmp relay*/
202 proc->thunk.t_from16.relay_offset = OFFSETOF(relay_32A);
203 proc->thunk.t_from16.relay_sel = SELECTOROF(relay_32A);
204 proc->jmp.jmp = 0xe9;
205 /* Fixup relative jump */
206 proc->jmp.proc = (WNDPROC)((DWORD)func - (DWORD)(&proc->jmp.proc + 1));
207 break;
208 case WIN_PROC_32W:
209 if (!relay_32W) relay_32W = GetProcAddress16( GetModuleHandle16("user"),
210 "__wine_call_wndproc_32W" );
211 proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */
212 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
213 proc->thunk.t_from16.proc = func;
214 proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */
215 proc->thunk.t_from16.ljmp = 0xea; /* ljmp relay*/
216 proc->thunk.t_from16.relay_offset = OFFSETOF(relay_32W);
217 proc->thunk.t_from16.relay_sel = SELECTOROF(relay_32W);
218 proc->jmp.jmp = 0xe9;
219 /* Fixup relative jump */
220 proc->jmp.proc = (WNDPROC)((char *)func - (char *)(&proc->jmp.proc + 1));
221 break;
222 default:
223 /* Should not happen */
224 break;
225 }
226 #else /* __i386__ */
227 switch(type)
228 {
229 case WIN_PROC_16:
230 proc->thunk.t_from32.proc = (WNDPROC16)func;
231 break;
232 case WIN_PROC_32A:
233 case WIN_PROC_32W:
234 proc->thunk.t_from16.proc = func;
235 break;
236 default:
237 /* Should not happen */
238 break;
239 }
240 #endif /* __i386__ */
241
242 proc->type = type;
243 }
244
245 static WORD get_winproc_selector(void)
246 {
247 static LONG winproc_selector;
248 WORD ret;
249
250 if (!(ret = winproc_selector))
251 {
252 LDT_ENTRY entry;
253 WORD sel = wine_ldt_alloc_entries(1);
254 wine_ldt_set_base( &entry, winproc_array );
255 wine_ldt_set_limit( &entry, sizeof(winproc_array) - 1 );
256 wine_ldt_set_flags( &entry, WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
257 wine_ldt_set_entry( sel, &entry );
258 if (!(ret = InterlockedCompareExchange( &winproc_selector, sel, 0 ))) ret = sel;
259 else wine_ldt_free_entries( sel, 1 ); /* somebody beat us to it */
260 }
261 return ret;
262 }
263
264
265 #ifdef __i386__
266 /* Some window procedures modify register they shouldn't, or are not
267 * properly declared stdcall; so we need a small assembly wrapper to
268 * call them. */
269 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
270 WPARAM wParam, LPARAM lParam );
271 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
272 "pushl %ebp\n\t"
273 "movl %esp,%ebp\n\t"
274 "pushl %edi\n\t"
275 "pushl %esi\n\t"
276 "pushl %ebx\n\t"
277 "pushl 24(%ebp)\n\t"
278 "pushl 20(%ebp)\n\t"
279 "pushl 16(%ebp)\n\t"
280 "pushl 12(%ebp)\n\t"
281 "movl 8(%ebp),%eax\n\t"
282 "call *%eax\n\t"
283 "leal -12(%ebp),%esp\n\t"
284 "popl %ebx\n\t"
285 "popl %esi\n\t"
286 "popl %edi\n\t"
287 "leave\n\t"
288 "ret" );
289 #else
290 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
291 WPARAM wParam, LPARAM lParam )
292 {
293 return proc( hwnd, msg, wParam, lParam );
294 }
295 #endif /* __i386__ */
296
297
298 static void MINMAXINFO32to16( const MINMAXINFO *from, MINMAXINFO16 *to )
299 {
300 to->ptReserved.x = from->ptReserved.x;
301 to->ptReserved.y = from->ptReserved.y;
302 to->ptMaxSize.x = from->ptMaxSize.x;
303 to->ptMaxSize.y = from->ptMaxSize.y;
304 to->ptMaxPosition.x = from->ptMaxPosition.x;
305 to->ptMaxPosition.y = from->ptMaxPosition.y;
306 to->ptMinTrackSize.x = from->ptMinTrackSize.x;
307 to->ptMinTrackSize.y = from->ptMinTrackSize.y;
308 to->ptMaxTrackSize.x = from->ptMaxTrackSize.x;
309 to->ptMaxTrackSize.y = from->ptMaxTrackSize.y;
310 }
311
312 static void MINMAXINFO16to32( const MINMAXINFO16 *from, MINMAXINFO *to )
313 {
314 to->ptReserved.x = from->ptReserved.x;
315 to->ptReserved.y = from->ptReserved.y;
316 to->ptMaxSize.x = from->ptMaxSize.x;
317 to->ptMaxSize.y = from->ptMaxSize.y;
318 to->ptMaxPosition.x = from->ptMaxPosition.x;
319 to->ptMaxPosition.y = from->ptMaxPosition.y;
320 to->ptMinTrackSize.x = from->ptMinTrackSize.x;
321 to->ptMinTrackSize.y = from->ptMinTrackSize.y;
322 to->ptMaxTrackSize.x = from->ptMaxTrackSize.x;
323 to->ptMaxTrackSize.y = from->ptMaxTrackSize.y;
324 }
325
326 static void WINDOWPOS32to16( const WINDOWPOS* from, WINDOWPOS16* to )
327 {
328 to->hwnd = HWND_16(from->hwnd);
329 to->hwndInsertAfter = HWND_16(from->hwndInsertAfter);
330 to->x = from->x;
331 to->y = from->y;
332 to->cx = from->cx;
333 to->cy = from->cy;
334 to->flags = from->flags;
335 }
336
337 static void WINDOWPOS16to32( const WINDOWPOS16* from, WINDOWPOS* to )
338 {
339 to->hwnd = WIN_Handle32(from->hwnd);
340 to->hwndInsertAfter = (from->hwndInsertAfter == (HWND16)-1) ?
341 HWND_TOPMOST : WIN_Handle32(from->hwndInsertAfter);
342 to->x = from->x;
343 to->y = from->y;
344 to->cx = from->cx;
345 to->cy = from->cy;
346 to->flags = from->flags;
347 }
348
349 /* The strings are not copied */
350 static void CREATESTRUCT32Ato16( const CREATESTRUCTA* from, CREATESTRUCT16* to )
351 {
352 to->lpCreateParams = (SEGPTR)from->lpCreateParams;
353 to->hInstance = HINSTANCE_16(from->hInstance);
354 to->hMenu = HMENU_16(from->hMenu);
355 to->hwndParent = HWND_16(from->hwndParent);
356 to->cy = from->cy;
357 to->cx = from->cx;
358 to->y = from->y;
359 to->x = from->x;
360 to->style = from->style;
361 to->dwExStyle = from->dwExStyle;
362 }
363
364 static void CREATESTRUCT16to32A( const CREATESTRUCT16* from, CREATESTRUCTA *to )
365
366 {
367 to->lpCreateParams = (LPVOID)from->lpCreateParams;
368 to->hInstance = HINSTANCE_32(from->hInstance);
369 to->hMenu = HMENU_32(from->hMenu);
370 to->hwndParent = WIN_Handle32(from->hwndParent);
371 to->cy = from->cy;
372 to->cx = from->cx;
373 to->y = from->y;
374 to->x = from->x;
375 to->style = from->style;
376 to->dwExStyle = from->dwExStyle;
377 }
378
379 /* The strings are not copied */
380 static void MDICREATESTRUCT32Ato16( const MDICREATESTRUCTA* from, MDICREATESTRUCT16* to )
381 {
382 to->hOwner = HINSTANCE_16(from->hOwner);
383 to->x = from->x;
384 to->y = from->y;
385 to->cx = from->cx;
386 to->cy = from->cy;
387 to->style = from->style;
388 to->lParam = from->lParam;
389 }
390
391 static void MDICREATESTRUCT16to32A( const MDICREATESTRUCT16* from, MDICREATESTRUCTA *to )
392 {
393 to->hOwner = HINSTANCE_32(from->hOwner);
394 to->x = from->x;
395 to->y = from->y;
396 to->cx = from->cx;
397 to->cy = from->cy;
398 to->style = from->style;
399 to->lParam = from->lParam;
400 }
401
402 /**********************************************************************
403 * WINPROC_CallWndProc32
404 *
405 * Call a 32-bit WndProc.
406 */
407 static LRESULT WINPROC_CallWndProc( WNDPROC proc, HWND hwnd, UINT msg,
408 WPARAM wParam, LPARAM lParam )
409 {
410 LRESULT retvalue;
411 int iWndsLocks;
412
413 hwnd = WIN_GetFullHandle( hwnd );
414 if (TRACE_ON(relay))
415 DPRINTF( "%04lx:Call window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
416 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam );
417 /* To avoid any deadlocks, all the locks on the windows structures
418 must be suspended before the control is passed to the application */
419 iWndsLocks = WIN_SuspendWndsLock();
420 retvalue = WINPROC_wrapper( proc, hwnd, msg, wParam, lParam );
421 WIN_RestoreWndsLock(iWndsLocks);
422
423 if (TRACE_ON(relay))
424 DPRINTF( "%04lx:Ret window proc %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx) retval=%08lx\n",
425 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam, retvalue );
426 return retvalue;
427 }
428
429 /***********************************************************************
430 * WINPROC_CallWndProc16
431 *
432 * Call a 16-bit window procedure
433 */
434 static LRESULT WINAPI WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd,
435 UINT16 msg, WPARAM16 wParam,
436 LPARAM lParam )
437 {
438 CONTEXT86 context;
439 LRESULT ret;
440 WORD args[5];
441 DWORD offset = 0;
442 TEB *teb = NtCurrentTeb();
443 int iWndsLocks;
444
445 /* Window procedures want ax = hInstance, ds = es = ss */
446
447 memset(&context, 0, sizeof(context));
448 context.SegDs = context.SegEs = SELECTOROF(teb->cur_stack);
449 context.SegFs = wine_get_fs();
450 context.SegGs = wine_get_gs();
451 if (!(context.Eax = GetWindowWord( HWND_32(hwnd), GWLP_HINSTANCE ))) context.Eax = context.SegDs;
452 context.SegCs = SELECTOROF(proc);
453 context.Eip = OFFSETOF(proc);
454 context.Ebp = OFFSETOF(teb->cur_stack)
455 + (WORD)&((STACK16FRAME*)0)->bp;
456
457 if (lParam)
458 {
459 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
460 work if structures passed in lParam are placed in the stack/data
461 segment. Programmers easily make the mistake of converting lParam
462 to a near rather than a far pointer, since Windows apparently
463 allows this. We copy the structures to the 16 bit stack; this is
464 ugly but makes these programs work. */
465 switch (msg)
466 {
467 case WM_CREATE:
468 case WM_NCCREATE:
469 offset = sizeof(CREATESTRUCT16); break;
470 case WM_DRAWITEM:
471 offset = sizeof(DRAWITEMSTRUCT16); break;
472 case WM_COMPAREITEM:
473 offset = sizeof(COMPAREITEMSTRUCT16); break;
474 }
475 if (offset)
476 {
477 void *s = MapSL(lParam);
478 lParam = stack16_push( offset );
479 memcpy( MapSL(lParam), s, offset );
480 }
481 }
482
483 iWndsLocks = WIN_SuspendWndsLock();
484
485 args[4] = hwnd;
486 args[3] = msg;
487 args[2] = wParam;
488 args[1] = HIWORD(lParam);
489 args[0] = LOWORD(lParam);
490 WOWCallback16Ex( 0, WCB16_REGS, sizeof(args), args, (DWORD *)&context );
491 ret = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
492
493 if (offset) stack16_pop( offset );
494
495 WIN_RestoreWndsLock(iWndsLocks);
496
497 return ret;
498 }
499
500
501 /**********************************************************************
502 * WINPROC_GetPtr
503 *
504 * Return a pointer to the win proc.
505 */
506 static WINDOWPROC *WINPROC_GetPtr( WNDPROC handle )
507 {
508 BYTE *ptr;
509 WINDOWPROC *proc;
510
511 /* ptr cannot be < 64K */
512 if (!HIWORD(handle)) return NULL;
513
514 /* Check for a linear pointer */
515
516 ptr = (BYTE *)handle;
517 /* First check if it is the jmp address */
518 proc = (WINDOWPROC *)(ptr - FIELD_OFFSET(WINDOWPROC,jmp));
519 if (is_valid_winproc(proc)) return proc;
520
521 /* Now it must be the thunk address */
522 proc = (WINDOWPROC *)(ptr - FIELD_OFFSET(WINDOWPROC,thunk));
523 if (is_valid_winproc(proc)) return proc;
524
525 /* Check for a segmented pointer */
526
527 if (HIWORD(handle) == get_winproc_selector())
528 {
529 ptr = (BYTE *)winproc_array + LOWORD(handle);
530 /* It must be the thunk address */
531 proc = (WINDOWPROC *)(ptr - FIELD_OFFSET(WINDOWPROC,thunk));
532 if (is_valid_winproc(proc)) return proc;
533 }
534 return NULL;
535 }
536
537
538 /**********************************************************************
539 * WINPROC_GetProc
540 *
541 * Get a window procedure pointer that can be passed to the Windows program.
542 */
543 WNDPROC16 WINPROC_GetProc( WNDPROC proc, WINDOWPROCTYPE type )
544 {
545 WINDOWPROC *ptr = (WINDOWPROC *)proc;
546
547 if (!proc) return NULL;
548 if (type == WIN_PROC_16) /* We want a 16:16 address */
549 {
550 if (ptr->type == WIN_PROC_16)
551 return ptr->thunk.t_from32.proc;
552 else
553 return (WNDPROC16)MAKESEGPTR( get_winproc_selector(),
554 (char *)&ptr->thunk - (char *)winproc_array );
555 }
556 else /* We want a 32-bit address */
557 {
558 if (ptr->type == WIN_PROC_16)
559 return (WNDPROC16)&ptr->thunk;
560 else if (type != ptr->type)
561 /* Have to return the jmp address if types don't match */
562 return (WNDPROC16)&ptr->jmp;
563 else
564 /* Some Win16 programs want to get back the proc they set */
565 return (WNDPROC16)ptr->thunk.t_from16.proc;
566 }
567 }
568
569
570 /**********************************************************************
571 * WINPROC_AllocProc
572 *
573 * Allocate a window procedure for a window or class.
574 *
575 * Note that allocated winprocs are never freed; the idea is that even if an app creates a
576 * lot of windows, it will usually only have a limited number of window procedures, so the
577 * array won't grow too large, and this way we avoid the need to track allocations per window.
578 */
579 WNDPROC WINPROC_AllocProc( WNDPROC func, WINDOWPROCTYPE type )
580 {
581 WINDOWPROC *proc;
582
583 if (!func) return NULL;
584
585 EnterCriticalSection( &winproc_cs );
586
587 /* check if the function is already a win proc */
588 if (!(proc = WINPROC_GetPtr( func )))
589 {
590 /* then check if we already have a winproc for that function */
591 if (!(proc = find_winproc( func, type )))
592 {
593 if (winproc_used >= MAX_WINPROCS)
594 FIXME( "too many winprocs, cannot allocate one for %p/%d\n", func, type );
595 else
596 {
597 proc = &winproc_array[winproc_used++];
598 set_winproc( proc, func, type );
599 TRACE( "allocated %p for %p/%d (%d/%d used)\n",
600 proc, func, type, winproc_used, MAX_WINPROCS );
601 }
602 }
603 else TRACE( "reusing %p for %p/%d\n", proc, func, type );
604 }
605
606 LeaveCriticalSection( &winproc_cs );
607 return (WNDPROC)proc;
608 }
609
610
611 /**********************************************************************
612 * WINPROC_GetProcType
613 *
614 * Return the window procedure type.
615 */
616 WINDOWPROCTYPE WINPROC_GetProcType( WNDPROC proc )
617 {
618 if (!proc) return WIN_PROC_INVALID;
619 return ((WINDOWPROC *)proc)->type;
620 }
621 /**********************************************************************
622 * WINPROC_TestCBForStr
623 *
624 * Return TRUE if the lparam is a string
625 */
626 inline static BOOL WINPROC_TestCBForStr( HWND hwnd )
627 {
628 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
629 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
630 }
631 /**********************************************************************
632 * WINPROC_TestLBForStr
633 *
634 * Return TRUE if the lparam is a string
635 */
636 inline static BOOL WINPROC_TestLBForStr( HWND hwnd )
637 {
638 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
639 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
640
641 }
642 /**********************************************************************
643 * WINPROC_MapMsg32ATo32W
644 *
645 * Map a message from Ansi to Unicode.
646 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
647 *
648 * FIXME:
649 * WM_GETTEXT/WM_SETTEXT and static control with SS_ICON style:
650 * the first four bytes are the handle of the icon
651 * when the WM_SETTEXT message has been used to set the icon
652 */
653 INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
654 {
655 switch(msg)
656 {
657 case WM_GETTEXT:
658 case WM_ASKCBFORMATNAME:
659 {
660 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
661 *pwparam * sizeof(WCHAR) + sizeof(LPARAM) );
662 if (!ptr) return -1;
663 *ptr++ = *plparam; /* Store previous lParam */
664 *plparam = (LPARAM)ptr;
665 }
666 return 1;
667 /* lparam is string (0-terminated) */
668 case WM_SETTEXT:
669 case WM_WININICHANGE:
670 case WM_DEVMODECHANGE:
671 case CB_DIR:
672 case LB_DIR:
673 case LB_ADDFILE:
674 case EM_REPLACESEL:
675 {
676 DWORD len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, NULL, 0);
677 WCHAR *buf = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
678 len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*plparam, -1, buf, len);
679 *plparam = (LPARAM)buf;
680 return (*plparam ? 1 : -1);
681 }
682 case WM_GETTEXTLENGTH:
683 case CB_GETLBTEXTLEN:
684 case LB_GETTEXTLEN:
685 return 1; /* need to map result */
686 case WM_NCCREATE:
687 case WM_CREATE:
688 {
689 UNICODE_STRING usBuffer;
690 struct s
691 { CREATESTRUCTW cs; /* new structure */
692 LPCWSTR lpszName; /* allocated Name */
693 LPCWSTR lpszClass; /* allocated Class */
694 };
695
696 struct s *xs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct s));
697 if (!xs) return -1;
698 xs->cs = *(CREATESTRUCTW *)*plparam;
699 if (HIWORD(xs->cs.lpszName))
700 {
701 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)xs->cs.lpszName);
702 xs->lpszName = xs->cs.lpszName = usBuffer.Buffer;
703 }
704 if (HIWORD(xs->cs.lpszClass))
705 {
706 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)xs->cs.lpszClass);
707 xs->lpszClass = xs->cs.lpszClass = usBuffer.Buffer;
708 }
709
710 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
711 {
712 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)HeapAlloc(GetProcessHeap(), 0,
713 sizeof(*mdi_cs));
714 *mdi_cs = *(MDICREATESTRUCTW *)xs->cs.lpCreateParams;
715 if (HIWORD(mdi_cs->szTitle))
716 {
717 RtlCreateUnicodeStringFromAsciiz(&usBuffer, (LPCSTR)mdi_cs->szTitle);
718 mdi_cs->szTitle = usBuffer.Buffer;
719 }
720 if (HIWORD(mdi_cs->szClass))
721 {
722 RtlCreateUnicodeStringFromAsciiz(&usBuffer, (LPCSTR)mdi_cs->szClass);
723 mdi_cs->szClass = usBuffer.Buffer;
724 }
725 xs->cs.lpCreateParams = mdi_cs;
726 }
727
728 *plparam = (LPARAM)xs;
729 }
730 return 1;
731 case WM_MDICREATE:
732 {
733 MDICREATESTRUCTW *cs =
734 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
735 if (!cs) return -1;
736 *cs = *(MDICREATESTRUCTW *)*plparam;
737 if (HIWORD(cs->szClass))
738 {
739 UNICODE_STRING usBuffer;
740 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)cs->szClass);
741 cs->szClass = usBuffer.Buffer;
742 }
743 if (HIWORD(cs->szTitle))
744 {
745 UNICODE_STRING usBuffer;
746 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)cs->szTitle);
747 cs->szTitle = usBuffer.Buffer;
748 }
749 *plparam = (LPARAM)cs;
750 }
751 return 1;
752
753 /* Listbox */
754 case LB_ADDSTRING:
755 case LB_INSERTSTRING:
756 case LB_FINDSTRING:
757 case LB_FINDSTRINGEXACT:
758 case LB_SELECTSTRING:
759 if(!*plparam) return 0;
760 if ( WINPROC_TestLBForStr( hwnd ))
761 {
762 UNICODE_STRING usBuffer;
763 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)*plparam);
764 *plparam = (LPARAM)usBuffer.Buffer;
765 }
766 return (*plparam ? 1 : -1);
767
768 case LB_GETTEXT: /* FIXME: fixed sized buffer */
769 { if ( WINPROC_TestLBForStr( hwnd ))
770 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
771 if (!ptr) return -1;
772 *ptr++ = *plparam; /* Store previous lParam */
773 *plparam = (LPARAM)ptr;
774 }
775 }
776 return 1;
777
778 /* Combobox */
779 case CB_ADDSTRING:
780 case CB_INSERTSTRING:
781 case CB_FINDSTRINGEXACT:
782 case CB_FINDSTRING:
783 case CB_SELECTSTRING:
784 if(!*plparam) return 0;
785 if ( WINPROC_TestCBForStr( hwnd ))
786 {
787 UNICODE_STRING usBuffer;
788 RtlCreateUnicodeStringFromAsciiz(&usBuffer,(LPCSTR)*plparam);
789 *plparam = (LPARAM)usBuffer.Buffer;
790 }
791 return (*plparam ? 1 : -1);
792
793 case CB_GETLBTEXT: /* FIXME: fixed sized buffer */
794 { if ( WINPROC_TestCBForStr( hwnd ))
795 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
796 if (!ptr) return -1;
797 *ptr++ = *plparam; /* Store previous lParam */
798 *plparam = (LPARAM)ptr;
799 }
800 }
801 return 1;
802
803 /* Multiline edit */
804 case EM_GETLINE:
805 { WORD len = (WORD)*plparam;
806 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(WCHAR) );
807 if (!ptr) return -1;
808 *ptr++ = *plparam; /* Store previous lParam */
809 *((WORD *) ptr) = len; /* Store the length */
810 *plparam = (LPARAM)ptr;
811 }
812 return 1;
813
814 case WM_CHARTOITEM:
815 case WM_MENUCHAR:
816 case WM_CHAR:
817 case WM_DEADCHAR:
818 case WM_SYSCHAR:
819 case WM_SYSDEADCHAR:
820 case EM_SETPASSWORDCHAR:
821 {
822 BYTE ch = LOWORD(*pwparam);
823 WCHAR wch;
824 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
825 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
826 }
827 return 0;
828
829 case WM_IME_CHAR:
830 {
831 BYTE ch[2];
832 WCHAR wch;
833 ch[0] = (*pwparam >> 8);
834 ch[1] = *pwparam & 0xff;
835 if (ch[0])
836 MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
837 else
838 MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
839 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
840 }
841 return 0;
842
843 case WM_PAINTCLIPBOARD:
844 case WM_SIZECLIPBOARD:
845 FIXME_(msg)("message %s (0x%x) needs translation, please report\n", SPY_GetMsgName(msg, hwnd), msg );
846 return -1;
847 default: /* No translation needed */
848 return 0;
849 }
850 }
851
852
853 /**********************************************************************
854 * WINPROC_UnmapMsg32ATo32W
855 *
856 * Unmap a message that was mapped from Ansi to Unicode.
857 */
858 LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
859 LRESULT result )
860 {
861 switch(msg)
862 {
863 case WM_GETTEXT:
864 case WM_ASKCBFORMATNAME:
865 {
866 LPARAM *ptr = (LPARAM *)lParam - 1;
867 if (!wParam) result = 0;
868 else if (!(result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
869 (LPSTR)*ptr, wParam, NULL, NULL )))
870 {
871 ((LPSTR)*ptr)[wParam-1] = 0;
872 result = wParam - 1;
873 }
874 else result--; /* do not count terminating null */
875 HeapFree( GetProcessHeap(), 0, ptr );
876 }
877 break;
878 case WM_GETTEXTLENGTH:
879 case CB_GETLBTEXTLEN:
880 case LB_GETTEXTLEN:
881 /* there may be one DBCS char for each Unicode char */
882 return result * 2;
883 case WM_NCCREATE:
884 case WM_CREATE:
885 {
886 struct s
887 { CREATESTRUCTW cs; /* new structure */
888 LPWSTR lpszName; /* allocated Name */
889 LPWSTR lpszClass; /* allocated Class */
890 };
891 struct s *xs = (struct s *)lParam;
892 HeapFree( GetProcessHeap(), 0, xs->lpszName );
893 HeapFree( GetProcessHeap(), 0, xs->lpszClass );
894
895 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
896 {
897 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)xs->cs.lpCreateParams;
898 if (HIWORD(mdi_cs->szTitle))
899 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szTitle);
900 if (HIWORD(mdi_cs->szClass))
901 HeapFree(GetProcessHeap(), 0, (LPVOID)mdi_cs->szClass);
902 HeapFree(GetProcessHeap(), 0, mdi_cs);
903 }
904 HeapFree( GetProcessHeap(), 0, xs );
905 }
906 break;
907
908 case WM_MDICREATE:
909 {
910 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
911 if (HIWORD(cs->szTitle))
912 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
913 if (HIWORD(cs->szClass))
914 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
915 HeapFree( GetProcessHeap(), 0, cs );
916 }
917 break;
918
919 case WM_SETTEXT:
920 case WM_WININICHANGE:
921 case WM_DEVMODECHANGE:
922 case CB_DIR:
923 case LB_DIR:
924 case LB_ADDFILE:
925 case EM_REPLACESEL:
926 HeapFree( GetProcessHeap(), 0, (void *)lParam );
927 break;
928
929 /* Listbox */
930 case LB_ADDSTRING:
931 case LB_INSERTSTRING:
932 case LB_FINDSTRING:
933 case LB_FINDSTRINGEXACT:
934 case LB_SELECTSTRING:
935 if ( WINPROC_TestLBForStr( hwnd ))
936 HeapFree( GetProcessHeap(), 0, (void *)lParam );
937 break;
938
939 case LB_GETTEXT:
940 if ( WINPROC_TestLBForStr( hwnd ))
941 {
942 LPARAM *ptr = (LPARAM *)lParam - 1;
943 result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
944 (LPSTR)*ptr, 0x7fffffff, NULL, NULL ) - 1;
945 HeapFree( GetProcessHeap(), 0, ptr );
946 }
947 break;
948
949 /* Combobox */
950 case CB_ADDSTRING:
951 case CB_INSERTSTRING:
952 case CB_FINDSTRING:
953 case CB_FINDSTRINGEXACT:
954 case CB_SELECTSTRING:
955 if ( WINPROC_TestCBForStr( hwnd ))
956 HeapFree( GetProcessHeap(), 0, (void *)lParam );
957 break;
958
959 case CB_GETLBTEXT:
960 if ( WINPROC_TestCBForStr( hwnd ))
961 {
962 LPARAM *ptr = (LPARAM *)lParam - 1;
963 result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
964 (LPSTR)*ptr, 0x7fffffff, NULL, NULL ) - 1;
965 HeapFree( GetProcessHeap(), 0, ptr );
966 }
967 break;
968
969 /* Multiline edit */
970 case EM_GETLINE:
971 {
972 LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lParam */
973 WORD len = *(WORD *) lParam;
974 result = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, result,
975 (LPSTR)*ptr, len, NULL, NULL );
976 if (result < len) ((LPSTR)*ptr)[result] = 0;
977 HeapFree( GetProcessHeap(), 0, ptr );
978 }
979 break;
980 }
981 return result;
982 }
983
984
985 /**********************************************************************
986 * WINPROC_MapMsg32WTo32A
987 *
988 * Map a message from Unicode to Ansi.
989 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
990 */
991 static INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
992 {
993 switch(msg)
994 {
995 case WM_GETTEXT:
996 case WM_ASKCBFORMATNAME:
997 {
998 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
999 *pwparam + sizeof(LPARAM) );
1000 if (!ptr) return -1;
1001 *ptr++ = *plparam; /* Store previous lParam */
1002 *plparam = (LPARAM)ptr;
1003 }
1004 return 1;
1005
1006 case WM_SETTEXT:
1007 case WM_WININICHANGE:
1008 case WM_DEVMODECHANGE:
1009 case CB_DIR:
1010 case LB_DIR:
1011 case LB_ADDFILE:
1012 case EM_REPLACESEL:
1013 if(!*plparam) return 0;
1014 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1015 return (*plparam ? 1 : -1);
1016
1017 case WM_MDICREATE:
1018 {
1019 MDICREATESTRUCTA *cs =
1020 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
1021 if (!cs) return -1;
1022 *cs = *(MDICREATESTRUCTA *)*plparam;
1023 if (HIWORD(cs->szTitle))
1024 cs->szTitle = HEAP_strdupWtoA( GetProcessHeap(), 0,
1025 (LPCWSTR)cs->szTitle );
1026 if (HIWORD(cs->szClass))
1027 cs->szClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
1028 (LPCWSTR)cs->szClass );
1029 *plparam = (LPARAM)cs;
1030 }
1031 return 1;
1032
1033 /* Listbox */
1034 case LB_ADDSTRING:
1035 case LB_INSERTSTRING:
1036 case LB_FINDSTRING:
1037 case LB_FINDSTRINGEXACT:
1038 case LB_SELECTSTRING:
1039 if(!*plparam) return 0;
1040 if ( WINPROC_TestLBForStr( hwnd ))
1041 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1042 return (*plparam ? 1 : -1);
1043
1044 case LB_GETTEXT: /* FIXME: fixed sized buffer */
1045 { if ( WINPROC_TestLBForStr( hwnd ))
1046 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
1047 if (!ptr) return -1;
1048 *ptr++ = *plparam; /* Store previous lParam */
1049 *plparam = (LPARAM)ptr;
1050 }
1051 }
1052 return 1;
1053
1054 /* Combobox */
1055 case CB_ADDSTRING:
1056 case CB_INSERTSTRING:
1057 case CB_FINDSTRING:
1058 case CB_FINDSTRINGEXACT:
1059 case CB_SELECTSTRING:
1060 if(!*plparam) return 0;
1061 if ( WINPROC_TestCBForStr( hwnd ))
1062 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
1063 return (*plparam ? 1 : -1);
1064
1065 case CB_GETLBTEXT: /* FIXME: fixed sized buffer */
1066 { if ( WINPROC_TestCBForStr( hwnd ))
1067 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
1068 if (!ptr) return -1;
1069 *ptr++ = *plparam; /* Store previous lParam */
1070 *plparam = (LPARAM)ptr;
1071 }
1072 }
1073 return 1;
1074
1075 /* Multiline edit */
1076 case EM_GETLINE:
1077 { WORD len = (WORD)*plparam;
1078 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
1079 if (!ptr) return -1;
1080 *ptr++ = *plparam; /* Store previous lParam */
1081 *((WORD *) ptr) = len; /* Store the length */
1082 *plparam = (LPARAM)ptr;
1083 }
1084 return 1;
1085
1086 case WM_CHARTOITEM:
1087 case WM_MENUCHAR:
1088 case WM_CHAR:
1089 case WM_DEADCHAR:
1090 case WM_SYSCHAR:
1091 case WM_SYSDEADCHAR:
1092 case EM_SETPASSWORDCHAR:
1093 {
1094 WCHAR wch = LOWORD(*pwparam);
1095 BYTE ch;
1096 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
1097 *pwparam = MAKEWPARAM( ch, HIWORD(*pwparam) );
1098 }
1099 return 0;
1100
1101 case WM_IME_CHAR:
1102 {
1103 WCHAR wch = LOWORD(*pwparam);
1104 BYTE ch[2];
1105
1106 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL ) == 2)
1107 *pwparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(*pwparam) );
1108 else
1109 *pwparam = MAKEWPARAM( ch[0], HIWORD(*pwparam) );
1110 }
1111 return 0;
1112
1113 case WM_PAINTCLIPBOARD:
1114 case WM_SIZECLIPBOARD:
1115 FIXME_(msg)("message %s (%04x) needs translation, please report\n",SPY_GetMsgName(msg, hwnd),msg );
1116 return -1;
1117 default: /* No translation needed */
1118 return 0;
1119 }
1120 }
1121
1122
1123 /**********************************************************************
1124 * WINPROC_UnmapMsg32WTo32A
1125 *
1126 * Unmap a message that was mapped from Unicode to Ansi.
1127 */
1128 static LRESULT WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT result )
1129 {
1130 switch(msg)
1131 {
1132 case WM_GETTEXT:
1133 case WM_ASKCBFORMATNAME:
1134 {
1135 LPARAM *ptr = (LPARAM *)lParam - 1;
1136 if (!wParam) result = 0;
1137 else if (!(result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1,
1138 (LPWSTR)*ptr, wParam )))
1139 {
1140 ((LPWSTR)*ptr)[wParam-1] = 0;
1141 result = wParam - 1;
1142 }
1143 else result--; /* do not count terminating null */
1144 HeapFree( GetProcessHeap(), 0, ptr );
1145 }
1146 break;
1147
1148 case WM_SETTEXT:
1149 case WM_WININICHANGE:
1150 case WM_DEVMODECHANGE:
1151 case CB_DIR:
1152 case LB_DIR:
1153 case LB_ADDFILE:
1154 case EM_REPLACESEL:
1155 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1156 break;
1157
1158 case WM_MDICREATE:
1159 {
1160 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1161 if (HIWORD(cs->szTitle))
1162 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1163 if (HIWORD(cs->szClass))
1164 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1165 HeapFree( GetProcessHeap(), 0, cs );
1166 }
1167 break;
1168
1169 /* Listbox */
1170 case LB_ADDSTRING:
1171 case LB_INSERTSTRING:
1172 case LB_FINDSTRING:
1173 case LB_FINDSTRINGEXACT:
1174 case LB_SELECTSTRING:
1175 if ( WINPROC_TestLBForStr( hwnd ))
1176 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1177 break;
1178
1179 case LB_GETTEXT:
1180 if ( WINPROC_TestLBForStr( hwnd ))
1181 {
1182 LPARAM *ptr = (LPARAM *)lParam - 1;
1183 result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff ) - 1;
1184 HeapFree( GetProcessHeap(), 0, ptr );
1185 }
1186 break;
1187
1188 /* Combobox */
1189 case CB_ADDSTRING:
1190 case CB_INSERTSTRING:
1191 case CB_FINDSTRING:
1192 case CB_FINDSTRINGEXACT:
1193 case CB_SELECTSTRING:
1194 if ( WINPROC_TestCBForStr( hwnd ))
1195 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1196 break;
1197
1198 case CB_GETLBTEXT:
1199 if ( WINPROC_TestCBForStr( hwnd ))
1200 {
1201 LPARAM *ptr = (LPARAM *)lParam - 1;
1202 result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff ) - 1;
1203 HeapFree( GetProcessHeap(), 0, ptr );
1204 }
1205 break;
1206
1207 /* Multiline edit */
1208 case EM_GETLINE:
1209 {
1210 LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
1211 WORD len = *(WORD *)ptr;
1212 if (len)
1213 {
1214 result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, result, (LPWSTR)*ptr, len );
1215 if (result < len) ((LPWSTR)*ptr)[result] = 0;
1216 }
1217 HeapFree( GetProcessHeap(), 0, ptr );
1218 }
1219 break;
1220 }
1221 return result;
1222 }
1223
1224 static UINT convert_handle_16_to_32(HANDLE16 src, unsigned int flags)
1225 {
1226 HANDLE dst;
1227 UINT sz = GlobalSize16(src);
1228 LPSTR ptr16, ptr32;
1229
1230 if (!(dst = GlobalAlloc(flags, sz)))
1231 return 0;
1232 ptr16 = GlobalLock16(src);
1233 ptr32 = GlobalLock(dst);
1234 if (ptr16 != NULL && ptr32 != NULL) memcpy(ptr32, ptr16, sz);
1235 GlobalUnlock16(src);
1236 GlobalUnlock(dst);
1237
1238 return (UINT)dst;
1239 }
1240
1241 /**********************************************************************
1242 * WINPROC_MapMsg16To32A
1243 *
1244 * Map a message from 16- to 32-bit Ansi.
1245 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1246 */
1247 INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1248 WPARAM *pwparam32, LPARAM *plparam )
1249 {
1250 *pmsg32 = (UINT)msg16;
1251 *pwparam32 = (WPARAM)wParam16;
1252 switch(msg16)
1253 {
1254 case WM_ACTIVATE:
1255 case WM_CHARTOITEM:
1256 case WM_COMMAND:
1257 case WM_VKEYTOITEM:
1258 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1259 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1260 return 0;
1261 case WM_HSCROLL:
1262 case WM_VSCROLL:
1263 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1264 *plparam = (LPARAM)WIN_Handle32( HIWORD(*plparam) );
1265 return 0;
1266 case WM_CTLCOLOR:
1267 if ( HIWORD(*plparam) > CTLCOLOR_STATIC ) return -1;
1268 *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam);
1269 *pwparam32 = (WPARAM)HDC_32(wParam16);
1270 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1271 return 0;
1272 case WM_COMPAREITEM:
1273 {
1274 COMPAREITEMSTRUCT16* cis16 = MapSL(*plparam);
1275 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)
1276 HeapAlloc(GetProcessHeap(), 0, sizeof(*cis));
1277 if (!cis) return -1;
1278 cis->CtlType = cis16->CtlType;
1279 cis->CtlID = cis16->CtlID;
1280 cis->hwndItem = WIN_Handle32( cis16->hwndItem );
1281 cis->itemID1 = cis16->itemID1;
1282 cis->itemData1 = cis16->itemData1;
1283 cis->itemID2 = cis16->itemID2;
1284 cis->itemData2 = cis16->itemData2;
1285 cis->dwLocaleId = 0; /* FIXME */
1286 *plparam = (LPARAM)cis;
1287 }
1288 return 1;
1289 case WM_DELETEITEM:
1290 {
1291 DELETEITEMSTRUCT16* dis16 = MapSL(*plparam);
1292 DELETEITEMSTRUCT *dis = (DELETEITEMSTRUCT *)
1293 HeapAlloc(GetProcessHeap(), 0, sizeof(*dis));
1294 if (!dis) return -1;
1295 dis->CtlType = dis16->CtlType;
1296 dis->CtlID = dis16->CtlID;
1297 dis->hwndItem = WIN_Handle32( dis16->hwndItem );
1298 dis->itemData = dis16->itemData;
1299 *plparam = (LPARAM)dis;
1300 }
1301 return 1;
1302 case WM_MEASUREITEM:
1303 {
1304 MEASUREITEMSTRUCT16* mis16 = MapSL(*plparam);
1305 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)
1306 HeapAlloc(GetProcessHeap(), 0,
1307 sizeof(*mis) + sizeof(LPARAM));
1308 if (!mis) return -1;
1309 mis->CtlType = mis16->CtlType;
1310 mis->CtlID = mis16->CtlID;
1311 mis->itemID = mis16->itemID;
1312 mis->itemWidth = mis16->itemWidth;
1313 mis->itemHeight = mis16->itemHeight;
1314 mis->itemData = mis16->itemData;
1315 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1316 *plparam = (LPARAM)mis;
1317 }
1318 return 1;
1319 case WM_DRAWITEM:
1320 {
1321 DRAWITEMSTRUCT16* dis16 = MapSL(*plparam);
1322 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT*)HeapAlloc(GetProcessHeap(), 0,
1323 sizeof(*dis));
1324 if (!dis) return -1;
1325 dis->CtlType = dis16->CtlType;
1326 dis->CtlID = dis16->CtlID;
1327 dis->itemID = dis16->itemID;
1328 dis->itemAction = dis16->itemAction;
1329 dis->itemState = dis16->itemState;
1330 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND)HMENU_32(dis16->hwndItem)
1331 : WIN_Handle32( dis16->hwndItem );
1332 dis->hDC = HDC_32(dis16->hDC);
1333 dis->itemData = dis16->itemData;
1334 dis->rcItem.left = dis16->rcItem.left;
1335 dis->rcItem.top = dis16->rcItem.top;
1336 dis->rcItem.right = dis16->rcItem.right;
1337 dis->rcItem.bottom = dis16->rcItem.bottom;
1338 *plparam = (LPARAM)dis;
1339 }
1340 return 1;
1341 case WM_GETMINMAXINFO:
1342 {
1343 MINMAXINFO *mmi = (MINMAXINFO *)HeapAlloc( GetProcessHeap(), 0,
1344 sizeof(*mmi) + sizeof(LPARAM));
1345 if (!mmi) return -1;
1346 MINMAXINFO16to32( MapSL(*plparam), mmi );
1347 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1348 *plparam = (LPARAM)mmi;
1349 }
1350 return 1;
1351 case WM_GETTEXT:
1352 case WM_SETTEXT:
1353 case WM_WININICHANGE:
1354 case WM_DEVMODECHANGE:
1355 case WM_ASKCBFORMATNAME:
1356 *plparam = (LPARAM)MapSL(*plparam);
1357 return 0;
1358 case WM_MDICREATE:
1359 {
1360 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1361 MDICREATESTRUCTA *cs = HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) + sizeof(LPARAM) );
1362 if (!cs) return -1;
1363 MDICREATESTRUCT16to32A( cs16, cs );
1364 cs->szTitle = MapSL(cs16->szTitle);
1365 cs->szClass = MapSL(cs16->szClass);
1366 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1367 *plparam = (LPARAM)cs;
1368 }
1369 return 1;
1370 case WM_MDIGETACTIVE:
1371 *plparam = (LPARAM)HeapAlloc( GetProcessHeap(), 0, sizeof(BOOL) );
1372 *(BOOL*)(*plparam) = 0;
1373 return 1;
1374 case WM_MDISETMENU:
1375 if(wParam16) *pmsg32=WM_MDIREFRESHMENU;
1376 *pwparam32 = (WPARAM)HMENU_32(LOWORD(*plparam));
1377 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1378 return 0;
1379 case WM_MENUCHAR:
1380 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1381 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1382 return 0;
1383 case WM_MENUSELECT:
1384 if((LOWORD(*plparam) & MF_POPUP) && (LOWORD(*plparam) != 0xFFFF))
1385 {
1386 HMENU hmenu=HMENU_32(HIWORD(*plparam));
1387 UINT Pos=MENU_FindSubMenu( &hmenu, HMENU_32(wParam16));
1388 if(Pos==0xFFFF) Pos=0; /* NO_SELECTED_ITEM */
1389 *pwparam32 = MAKEWPARAM( Pos, LOWORD(*plparam) );
1390 }
1391 else *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1392 *plparam = (LPARAM)HMENU_32(HIWORD(*plparam));
1393 return 0;
1394 case WM_MDIACTIVATE:
1395 if( *plparam )
1396 {
1397 *pwparam32 = (WPARAM)WIN_Handle32( HIWORD(*plparam) );
1398 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1399 }
1400 else /* message sent to MDI client */
1401 *pwparam32 = wParam16;
1402 return 0;
1403 case WM_NCCALCSIZE:
1404 {
1405 NCCALCSIZE_PARAMS16 *nc16;
1406 NCCALCSIZE_PARAMS *nc;
1407
1408 nc = (NCCALCSIZE_PARAMS *)HeapAlloc( GetProcessHeap(), 0,
1409 sizeof(*nc) + sizeof(LPARAM) );
1410 if (!nc) return -1;
1411 nc16 = MapSL(*plparam);
1412 nc->rgrc[0].left = nc16->rgrc[0].left;
1413 nc->rgrc[0].top = nc16->rgrc[0].top;
1414 nc->rgrc[0].right = nc16->rgrc[0].right;
1415 nc->rgrc[0].bottom = nc16->rgrc[0].bottom;
1416 if (wParam16)
1417 {
1418 nc->lppos = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1419 sizeof(*nc->lppos) );
1420 nc->rgrc[1].left = nc16->rgrc[1].left;
1421 nc->rgrc[1].top = nc16->rgrc[1].top;
1422 nc->rgrc[1].right = nc16->rgrc[1].right;
1423 nc->rgrc[1].bottom = nc16->rgrc[1].bottom;
1424 nc->rgrc[2].left = nc16->rgrc[2].left;
1425 nc->rgrc[2].top = nc16->rgrc[2].top;
1426 nc->rgrc[2].right = nc16->rgrc[2].right;
1427 nc->rgrc[2].bottom = nc16->rgrc[2].bottom;
1428 if (nc->lppos) WINDOWPOS16to32( MapSL(nc16->lppos), nc->lppos );
1429 }
1430 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1431 *plparam = (LPARAM)nc;
1432 }
1433 return 1;
1434 case WM_NCCREATE:
1435 case WM_CREATE:
1436 {
1437 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1438 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1439 sizeof(*cs) + sizeof(LPARAM) );
1440 if (!cs) return -1;
1441 CREATESTRUCT16to32A( cs16, cs );
1442 cs->lpszName = MapSL(cs16->lpszName);
1443 cs->lpszClass = MapSL(cs16->lpszClass);
1444
1445 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1446 {
1447 MDICREATESTRUCT16 *mdi_cs16;
1448 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)HeapAlloc(GetProcessHeap(), 0,
1449 sizeof(*mdi_cs));
1450 if (!mdi_cs)
1451 {
1452 HeapFree(GetProcessHeap(), 0, cs);
1453 return -1;
1454 }
1455 mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs16->lpCreateParams);
1456 MDICREATESTRUCT16to32A(mdi_cs16, mdi_cs);
1457 mdi_cs->szTitle = MapSL(mdi_cs16->szTitle);
1458 mdi_cs->szClass = MapSL(mdi_cs16->szClass);
1459
1460 cs->lpCreateParams = mdi_cs;
1461 }
1462 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1463 *plparam = (LPARAM)cs;
1464 }
1465 return 1;
1466 case WM_PARENTNOTIFY:
1467 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1468 {
1469 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1470 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1471 }
1472 return 0;
1473 case WM_WINDOWPOSCHANGING:
1474 case WM_WINDOWPOSCHANGED:
1475 {
1476 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1477 sizeof(*wp) + sizeof(LPARAM) );
1478 if (!wp) return -1;
1479 WINDOWPOS16to32( MapSL(*plparam), wp );
1480 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1481 *plparam = (LPARAM)wp;
1482 }
1483 return 1;
1484 case WM_GETDLGCODE:
1485 if (*plparam)
1486 {
1487 LPMSG16 msg16 = MapSL(*plparam);
1488 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1489
1490 if (!msg32) return -1;
1491 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1492 msg32->lParam = msg16->lParam;
1493 msg32->time = msg16->time;
1494 msg32->pt.x = msg16->pt.x;
1495 msg32->pt.y = msg16->pt.y;
1496 /* this is right, right? */
1497 if (WINPROC_MapMsg16To32A( msg32->hwnd, msg16->message,msg16->wParam,
1498 &msg32->message,&msg32->wParam,
1499 &msg32->lParam)<0) {
1500 HeapFree( GetProcessHeap(), 0, msg32 );
1501 return -1;
1502 }
1503 *plparam = (LPARAM)msg32;
1504 return 1;
1505 }
1506 else return 0;
1507 case WM_NOTIFY:
1508 *plparam = (LPARAM)MapSL(*plparam);
1509 return 0;
1510 case WM_ACTIVATEAPP:
1511 /* We need this when SetActiveWindow sends a Sendmessage16() to
1512 * a 32bit window. Might be superflous with 32bit interprocess
1513 * message queues. */
1514 if (*plparam) *plparam = HTASK_32( *plparam );
1515 return 0;
1516 case WM_NEXTMENU:
1517 {
1518 MDINEXTMENU *next = HeapAlloc( GetProcessHeap(), 0, sizeof(*next) );
1519 if (!next) return -1;
1520 next->hmenuIn = (HMENU)*plparam;
1521 next->hmenuNext = 0;
1522 next->hwndNext = 0;
1523 *plparam = (LPARAM)next;
1524 return 1;
1525 }
1526 case WM_PAINTCLIPBOARD:
1527 case WM_SIZECLIPBOARD:
1528 FIXME_(msg)("message %04x needs translation\n",msg16 );
1529 return -1;
1530 case WM_DDE_INITIATE:
1531 case WM_DDE_TERMINATE:
1532 case WM_DDE_UNADVISE:
1533 case WM_DDE_REQUEST:
1534 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1535 return 0;
1536 case WM_DDE_ADVISE:
1537 case WM_DDE_DATA:
1538 case WM_DDE_POKE:
1539 {
1540 HANDLE16 lo16;
1541 ATOM hi;
1542 UINT lo32 = 0;
1543
1544 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1545 lo16 = LOWORD(*plparam);
1546 hi = HIWORD(*plparam);
1547 if (lo16 && !(lo32 = convert_handle_16_to_32(lo16, GMEM_DDESHARE)))
1548 return -1;
1549 *plparam = PackDDElParam(msg16, lo32, hi);
1550 }
1551 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1552 case WM_DDE_ACK:
1553 {
1554 UINT lo, hi;
1555 int flag = 0;
1556 char buf[2];
1557
1558 *pwparam32 = (WPARAM)WIN_Handle32(wParam16);
1559
1560 lo = LOWORD(*plparam);
1561 hi = HIWORD(*plparam);
1562
1563 if (GlobalGetAtomNameA(hi, buf, 2) > 0) flag |= 1;
1564 if (GlobalSize16(hi) != 0) flag |= 2;
1565 switch (flag)
1566 {
1567 case 0:
1568 if (hi)
1569 {
1570 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
1571 hi = 0;
1572 }
1573 break;
1574 case 1:
1575 break; /* atom, nothing to do */
1576 case 3:
1577 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
1578 /* fall thru */
1579 case 2:
1580 hi = convert_handle_16_to_32(hi, GMEM_DDESHARE);
1581 break;
1582 }
1583 *plparam = PackDDElParam(WM_DDE_ACK, lo, hi);
1584 }
1585 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1586 case WM_DDE_EXECUTE:
1587 *plparam = convert_handle_16_to_32(*plparam, GMEM_DDESHARE);
1588 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
1589 default: /* No translation needed */
1590 return 0;
1591 }
1592 }
1593
1594
1595 /**********************************************************************
1596 * WINPROC_UnmapMsg16To32A
1597 *
1598 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1599 */
1600 LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1601 LRESULT result )
1602 {
1603 switch(msg)
1604 {
1605 case WM_COMPAREITEM:
1606 case WM_DELETEITEM:
1607 case WM_DRAWITEM:
1608 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1609 break;
1610 case WM_MEASUREITEM:
1611 {
1612 MEASUREITEMSTRUCT16 *mis16;
1613 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1614 lParam = *(LPARAM *)(mis + 1);
1615 mis16 = MapSL(lParam);
1616 mis16->itemWidth = (UINT16)mis->itemWidth;
1617 mis16->itemHeight = (UINT16)mis->itemHeight;
1618 HeapFree( GetProcessHeap(), 0, mis );
1619 }
1620 break;
1621 case WM_GETMINMAXINFO:
1622 {
1623 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1624 lParam = *(LPARAM *)(mmi + 1);
1625 MINMAXINFO32to16( mmi, MapSL(lParam));
1626 HeapFree( GetProcessHeap(), 0, mmi );
1627 }
1628 break;
1629 case WM_MDICREATE:
1630 {
1631 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1632 lParam = *(LPARAM *)(cs + 1);
1633 MDICREATESTRUCT32Ato16( cs, MapSL(lParam) );
1634 HeapFree( GetProcessHeap(), 0, cs );
1635 }
1636 break;
1637 case WM_MDIGETACTIVE:
1638 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1639 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1640 break;
1641 case WM_NCCALCSIZE:
1642 {
1643 NCCALCSIZE_PARAMS16 *nc16;
1644 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1645 lParam = *(LPARAM *)(nc + 1);
1646 nc16 = MapSL(lParam);
1647 nc16->rgrc[0].left = nc->rgrc[0].left;
1648 nc16->rgrc[0].top = nc->rgrc[0].top;
1649 nc16->rgrc[0].right = nc->rgrc[0].right;
1650 nc16->rgrc[0].bottom = nc->rgrc[0].bottom;
1651 if (wParam)
1652 {
1653 nc16->rgrc[1].left = nc->rgrc[1].left;
1654 nc16->rgrc[1].top = nc->rgrc[1].top;
1655 nc16->rgrc[1].right = nc->rgrc[1].right;
1656 nc16->rgrc[1].bottom = nc->rgrc[1].bottom;
1657 nc16->rgrc[2].left = nc->rgrc[2].left;
1658 nc16->rgrc[2].top = nc->rgrc[2].top;
1659 nc16->rgrc[2].right = nc->rgrc[2].right;
1660 nc16->rgrc[2].bottom = nc->rgrc[2].bottom;
1661 if (nc->lppos)
1662 {
1663 WINDOWPOS32to16( nc->lppos, MapSL(nc16->lppos));
1664 HeapFree( GetProcessHeap(), 0, nc->lppos );
1665 }
1666 }
1667 HeapFree( GetProcessHeap(), 0, nc );
1668 }
1669 break;
1670 case WM_NCCREATE:
1671 case WM_CREATE:
1672 {
1673 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1674 lParam = *(LPARAM *)(cs + 1);
1675 CREATESTRUCT32Ato16( cs, MapSL(lParam) );
1676
1677 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1678 HeapFree(GetProcessHeap(), 0, cs->lpCreateParams);
1679
1680 HeapFree( GetProcessHeap(), 0, cs );
1681 }
1682 break;
1683 case WM_WINDOWPOSCHANGING:
1684 case WM_WINDOWPOSCHANGED:
1685 {
1686 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1687 lParam = *(LPARAM *)(wp + 1);
1688 WINDOWPOS32to16(wp, MapSL(lParam));
1689 HeapFree( GetProcessHeap(), 0, wp );
1690 }
1691 break;
1692 case WM_GETDLGCODE:
1693 if (lParam)
1694 {
1695 LPMSG msg32 = (LPMSG)lParam;
1696
1697 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1698 result);
1699 HeapFree( GetProcessHeap(), 0, msg32 );
1700 }
1701 break;
1702 case WM_NEXTMENU:
1703 {
1704 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
1705 result = MAKELONG( HMENU_16(next->hmenuNext), HWND_16(next->hwndNext) );
1706 HeapFree( GetProcessHeap(), 0, next );
1707 }
1708 break;
1709 }
1710 return result;
1711 }
1712
1713
1714 /**********************************************************************
1715 * WINPROC_MapMsg16To32W
1716 *
1717 * Map a message from 16- to 32-bit Unicode.
1718 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1719 */
1720 INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1721 WPARAM *pwparam32, LPARAM *plparam )
1722 {
1723 BYTE ch;
1724 WCHAR wch;
1725
1726 *pmsg32=(UINT)msg16;
1727 *pwparam32 = (WPARAM)wParam16;
1728 switch(msg16)
1729 {
1730 case WM_GETTEXT:
1731 case WM_SETTEXT:
1732 case WM_WININICHANGE:
1733 case WM_DEVMODECHANGE:
1734 case WM_ASKCBFORMATNAME:
1735 *plparam = (LPARAM)MapSL(*plparam);
1736 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1737 case WM_GETTEXTLENGTH:
1738 case CB_GETLBTEXTLEN:
1739 case LB_GETTEXTLEN:
1740 return 1; /* need to map result */
1741 case WM_NCCREATE:
1742 case WM_CREATE:
1743 {
1744 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1745 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1746 sizeof(*cs) + sizeof(LPARAM) );
1747 if (!cs) return -1;
1748 CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1749 cs->lpszName = map_str_16_to_32W(cs16->lpszName);
1750 cs->lpszClass = map_str_16_to_32W(cs16->lpszClass);
1751
1752 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1753 {
1754 MDICREATESTRUCT16 *mdi_cs16;
1755 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)HeapAlloc(GetProcessHeap(), 0,
1756 sizeof(*mdi_cs));
1757 if (!mdi_cs)
1758 {
1759 HeapFree(GetProcessHeap(), 0, cs);
1760 return -1;
1761 }
1762 mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs16->lpCreateParams);
1763 MDICREATESTRUCT16to32A(mdi_cs16, (MDICREATESTRUCTA *)mdi_cs);
1764 mdi_cs->szTitle = map_str_16_to_32W(mdi_cs16->szTitle);
1765 mdi_cs->szClass = map_str_16_to_32W(mdi_cs16->szClass);
1766
1767 cs->lpCreateParams = mdi_cs;
1768 }
1769 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1770 *plparam = (LPARAM)cs;
1771 }
1772 return 1;
1773 case WM_MDICREATE:
1774 {
1775 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1776 MDICREATESTRUCTW *cs =
1777 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1778 sizeof(*cs) + sizeof(LPARAM) );
1779 if (!cs) return -1;
1780 MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1781 cs->szTitle = map_str_16_to_32W(cs16->szTitle);
1782 cs->szClass = map_str_16_to_32W(cs16->szClass);
1783 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1784 *plparam = (LPARAM)cs;
1785 }
1786 return 1;
1787 case WM_GETDLGCODE:
1788 if (*plparam)
1789 {
1790 LPMSG16 msg16 = MapSL(*plparam);
1791 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1792
1793 if (!msg32) return -1;
1794 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1795 msg32->lParam = msg16->lParam;
1796 msg32->time = msg16->time;
1797 msg32->pt.x = msg16->pt.x;
1798 msg32->pt.y = msg16->pt.y;
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 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 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 SBM_SETRANGE:
1936 *pmsg16 = SBM_SETRANGE16;
1937 *plparam = MAKELPARAM(wParam32, *plparam);
1938 *pwparam16 = 0;
1939 return 0;
1940
1941 case SBM_GETRANGE:
1942 *pmsg16 = SBM_GETRANGE16;
1943 return 1;
1944
1945 case BM_GETCHECK:
1946 case BM_SETCHECK:
1947 case BM_GETSTATE:
1948 case BM_SETSTATE:
1949 case BM_SETSTYLE:
1950 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1951 return 0;
1952
1953 case EM_GETSEL:
1954 case EM_GETRECT:
1955 case EM_SETRECT:
1956 case EM_SETRECTNP:
1957 case EM_SCROLL:
1958 case EM_LINESCROLL:
1959 case EM_SCROLLCARET:
1960 case EM_GETMODIFY:
1961 case EM_SETMODIFY:
1962 case EM_GETLINECOUNT:
1963 case EM_LINEINDEX:
1964 case EM_SETHANDLE:
1965 case EM_GETHANDLE:
1966 case EM_GETTHUMB:
1967 case EM_LINELENGTH:
1968 case EM_REPLACESEL:
1969 case EM_GETLINE:
1970 case EM_LIMITTEXT:
1971 case EM_CANUNDO:
1972 case EM_UNDO:
1973 case EM_FMTLINES:
1974 case EM_LINEFROMCHAR:
1975 case EM_SETTABSTOPS:
1976 case EM_SETPASSWORDCHAR:
1977 case EM_EMPTYUNDOBUFFER:
1978 case EM_GETFIRSTVISIBLELINE:
1979 case EM_SETREADONLY:
1980 case EM_SETWORDBREAKPROC:
1981 case EM_GETWORDBREAKPROC:
1982 case EM_GETPASSWORDCHAR:
1983 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1984 return 0;
1985
1986 case LB_CARETOFF:
1987 case LB_CARETON:
1988 case LB_DELETESTRING:
1989 case LB_GETANCHORINDEX:
1990 case LB_GETCARETINDEX:
1991 case LB_GETCOUNT:
1992 case LB_GETCURSEL:
1993 case LB_GETHORIZONTALEXTENT:
1994 case LB_GETITEMDATA:
1995 case LB_GETITEMHEIGHT:
1996 case LB_GETSEL:
1997 case LB_GETSELCOUNT:
1998 case LB_GETTEXTLEN:
1999 case LB_GETTOPINDEX:
2000 case LB_RESETCONTENT:
2001 case LB_SELITEMRANGE:
2002 case LB_SELITEMRANGEEX:
2003 case LB_SETANCHORINDEX:
2004 case LB_SETCARETINDEX:
2005 case LB_SETCOLUMNWIDTH:
2006 case LB_SETCURSEL:
2007 case LB_SETHORIZONTALEXTENT:
2008 case LB_SETITEMDATA:
2009 case LB_SETITEMHEIGHT:
2010 case LB_SETSEL:
2011 case LB_SETTOPINDEX:
2012 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2013 return 0;
2014 case CB_DELETESTRING:
2015 case CB_GETCOUNT:
2016 case CB_GETLBTEXTLEN:
2017 case CB_LIMITTEXT:
2018 case CB_RESETCONTENT:
2019 case CB_SETEDITSEL:
2020 case CB_GETCURSEL:
2021 case CB_SETCURSEL:
2022 case CB_SHOWDROPDOWN:
2023 case CB_SETITEMDATA:
2024 case CB_SETITEMHEIGHT:
2025 case CB_GETITEMHEIGHT:
2026 case CB_SETEXTENDEDUI:
2027 case CB_GETEXTENDEDUI:
2028 case CB_GETDROPPEDSTATE:
2029 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
2030 return 0;
2031 case CB_GETEDITSEL:
2032 *pmsg16 = CB_GETEDITSEL16;
2033 return 1;
2034
2035 case LB_ADDSTRING:
2036 case LB_FINDSTRING:
2037 case LB_FINDSTRINGEXACT:
2038 case LB_INSERTSTRING:
2039 case LB_SELECTSTRING:
2040 case LB_DIR:
2041 case LB_ADDFILE:
2042 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
2043 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2044 return 1;
2045
2046 case CB_ADDSTRING:
2047 case CB_FINDSTRING:
2048 case CB_FINDSTRINGEXACT:
2049 case CB_INSERTSTRING:
2050 case CB_SELECTSTRING:
2051 case CB_DIR:
2052 *plparam = (LPARAM)MapLS( (LPSTR)*plparam );
2053 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
2054 return 1;
2055
2056 case LB_GETITEMRECT:
2057 {
2058 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2059 if (!rect) return -1;
2060 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2061 *plparam = MapLS( rect );
2062 }
2063 *pmsg16 = LB_GETITEMRECT16;
2064 return 1;
2065 case LB_GETSELITEMS:
2066 {
2067 LPARAM *items; /* old LPARAM first, then *pwparam16 x INT16 entries */
2068
2069 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2070 if (!(items = HeapAlloc( GetProcessHeap(), 0,
2071 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2072 *items++ = *plparam; /* Store the previous lParam */
2073 *plparam = MapLS( items );
2074 }
2075 *pmsg16 = LB_GETSELITEMS16;
2076 return 1;
2077 case LB_SETTABSTOPS:
2078 if (wParam32)
2079 {
2080 INT i;
2081 LPINT16 stops;
2082 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
2083 if (!(stops = HeapAlloc( GetProcessHeap(), 0,
2084 *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1;
2085 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
2086 *plparam = MapLS( stops );
2087 return 1;
2088 }
2089 *pmsg16 = LB_SETTABSTOPS16;
2090 return 0;
2091
2092 case CB_GETDROPPEDCONTROLRECT:
2093 {
2094 RECT16 *rect = HeapAlloc( GetProcessHeap(), 0, sizeof(RECT16) + sizeof(LPARAM) );
2095 if (!rect) return -1;
2096 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
2097 *plparam = (LPARAM)MapLS(rect);
2098 }
2099 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
2100 return 1;
2101
2102 case LB_GETTEXT:
2103 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2104 *pmsg16 = LB_GETTEXT16;
2105 return 1;
2106
2107 case CB_GETLBTEXT:
2108 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
2109 *pmsg16 = CB_GETLBTEXT16;
2110 return 1;
2111
2112 case EM_SETSEL:
2113 *pwparam16 = 0;
2114 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
2115 *pmsg16 = EM_SETSEL16;
2116 return 0;
2117
2118 case WM_ACTIVATE:
2119 case WM_CHARTOITEM:
2120 case WM_COMMAND:
2121 case WM_VKEYTOITEM:
2122 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2123 return 0;
2124 case WM_HSCROLL:
2125 case WM_VSCROLL:
2126 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
2127 return 0;
2128 case WM_CTLCOLORMSGBOX:
2129 case WM_CTLCOLOREDIT:
2130 case WM_CTLCOLORLISTBOX:
2131 case WM_CTLCOLORBTN:
2132 case WM_CTLCOLORDLG:
2133 case WM_CTLCOLORSCROLLBAR:
2134 case WM_CTLCOLORSTATIC:
2135 *pmsg16 = WM_CTLCOLOR;
2136 *plparam = MAKELPARAM( (HWND16)*plparam,
2137 (WORD)msg32 - WM_CTLCOLORMSGBOX );
2138 return 0;
2139 case WM_COMPAREITEM:
2140 {
2141 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
2142 COMPAREITEMSTRUCT16 *cis = HeapAlloc( GetProcessHeap(), 0, sizeof(COMPAREITEMSTRUCT16));
2143 if (!cis) return -1;
2144 cis->CtlType = (UINT16)cis32->CtlType;
2145 cis->CtlID = (UINT16)cis32->CtlID;
2146 cis->hwndItem = HWND_16( cis32->hwndItem );
2147 cis->itemID1 = (UINT16)cis32->itemID1;
2148 cis->itemData1 = cis32->itemData1;
2149 cis->itemID2 = (UINT16)cis32->itemID2;
2150 cis->itemData2 = cis32->itemData2;
2151 *plparam = MapLS( cis );
2152 }
2153 return 1;
2154 case WM_DELETEITEM:
2155 {
2156 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
2157 DELETEITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DELETEITEMSTRUCT16) );
2158 if (!dis) return -1;
2159 dis->CtlType = (UINT16)dis32->CtlType;
2160 dis->CtlID = (UINT16)dis32->CtlID;
2161 dis->itemID = (UINT16)dis32->itemID;
2162 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
2163 : HWND_16( dis32->hwndItem );
2164 dis->itemData = dis32->itemData;
2165 *plparam = MapLS( dis );
2166 }
2167 return 1;
2168 case WM_DRAWITEM:
2169 {
2170 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
2171 DRAWITEMSTRUCT16 *dis = HeapAlloc( GetProcessHeap(), 0, sizeof(DRAWITEMSTRUCT16) );
2172 if (!dis) return -1;
2173 dis->CtlType = (UINT16)dis32->CtlType;
2174 dis->CtlID = (UINT16)dis32->CtlID;
2175 dis->itemID = (UINT16)dis32->itemID;
2176 dis->itemAction = (UINT16)dis32->itemAction;
2177 dis->itemState = (UINT16)dis32->itemState;
2178 dis->hwndItem = HWND_16( dis32->hwndItem );
2179 dis->hDC = HDC_16(dis32->hDC);
2180 dis->itemData = dis32->itemData;
2181 dis->rcItem.left = dis32->rcItem.left;
2182 dis->rcItem.top = dis32->rcItem.top;
2183 dis->rcItem.right = dis32->rcItem.right;
2184 dis->rcItem.bottom = dis32->rcItem.bottom;
2185 *plparam = MapLS( dis );
2186 }
2187 return 1;
2188 case WM_MEASUREITEM:
2189 {
2190 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
2191 MEASUREITEMSTRUCT16 *mis = HeapAlloc( GetProcessHeap(), 0, sizeof(*mis)+sizeof(LPARAM));
2192 if (!mis) return -1;
2193 mis->CtlType = (UINT16)mis32->CtlType;
2194 mis->CtlID = (UINT16)mis32->CtlID;
2195 mis->itemID = (UINT16)mis32->itemID;
2196 mis->itemWidth = (UINT16)mis32->itemWidth;
2197 mis->itemHeight = (UINT16)mis32->itemHeight;
2198 mis->itemData = mis32->itemData;
2199 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
2200 *plparam = MapLS( mis );
2201 }
2202 return 1;
2203 case WM_GETMINMAXINFO:
2204 {
2205 MINMAXINFO16 *mmi = HeapAlloc( GetProcessHeap(), 0, sizeof(*mmi) + sizeof(LPARAM) );
2206 if (!mmi) return -1;
2207 MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
2208 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
2209 *plparam = MapLS( mmi );
2210 }
2211 return 1;
2212 case WM_GETTEXT:
2213 case WM_ASKCBFORMATNAME:
2214 {
2215 LPARAM *str; /* store LPARAM, then *pwparam16 char space */
2216 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
2217 if (!(str = HeapAlloc( GetProcessHeap(), 0, *pwparam16 + sizeof(LPARAM)))) return -1;
2218 *str++ = *plparam; /* Store the previous lParam */
2219 *plparam = MapLS( str );
2220 }
2221 return 1;
2222 case WM_MDICREATE:
2223 {
2224 MDICREATESTRUCT16 *cs;
2225 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
2226
2227 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2228 MDICREATESTRUCT32Ato16( cs32, cs );
2229 cs->szTitle = MapLS( cs32->szTitle );
2230 cs->szClass = MapLS( cs32->szClass );
2231 *plparam = MapLS( cs );
2232 }
2233 return 1;
2234 case WM_MDIGETACTIVE:
2235 return 1;
2236 case WM_MDISETMENU:
2237 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
2238 (HMENU16)LOWORD(*plparam) );
2239 *pwparam16 = (*plparam == 0);
2240 return 0;
2241 case WM_MENUSELECT:
2242 if(HIWORD(wParam32) & MF_POPUP)
2243 {
2244 HMENU hmenu;
2245 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
2246 {
2247 if((hmenu = GetSubMenu((HMENU)*plparam, *pwparam16)))
2248 *pwparam16=HMENU_16(hmenu);
2249 }
2250 }
2251 /* fall through */
2252 case WM_MENUCHAR:
2253 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2254 return 0;
2255 case WM_MDIACTIVATE:
2256 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
2257 {
2258 *pwparam16 = ((HWND)*plparam == hwnd);
2259 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
2260 (HWND16)LOWORD(wParam32) );
2261 }
2262 else
2263 {
2264 *pwparam16 = HWND_16( (HWND)wParam32 );
2265 *plparam = 0;
2266 }
2267 return 0;
2268 case WM_NCCALCSIZE:
2269 {
2270 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
2271 NCCALCSIZE_PARAMS16 *nc = HeapAlloc( GetProcessHeap(), 0, sizeof(*nc) + sizeof(LPARAM));
2272 if (!nc) return -1;
2273
2274 nc->rgrc[0].left = nc32->rgrc[0].left;
2275 nc->rgrc[0].top = nc32->rgrc[0].top;
2276 nc->rgrc[0].right = nc32->rgrc[0].right;
2277 nc->rgrc[0].bottom = nc32->rgrc[0].bottom;
2278 if (wParam32)
2279 {
2280 WINDOWPOS16 *wp;
2281 nc->rgrc[1].left = nc32->rgrc[1].left;
2282 nc->rgrc[1].top = nc32->rgrc[1].top;
2283 nc->rgrc[1].right = nc32->rgrc[1].right;
2284 nc->rgrc[1].bottom = nc32->rgrc[1].bottom;
2285 nc->rgrc[2].left = nc32->rgrc[2].left;
2286 nc->rgrc[2].top = nc32->rgrc[2].top;
2287 nc->rgrc[2].right = nc32->rgrc[2].right;
2288 nc->rgrc[2].bottom = nc32->rgrc[2].bottom;
2289 if (!(wp = HeapAlloc( GetProcessHeap(), 0, sizeof(WINDOWPOS16) )))
2290 {
2291 HeapFree( GetProcessHeap(), 0, nc );
2292 return -1;
2293 }
2294 WINDOWPOS32to16( nc32->lppos, wp );
2295 nc->lppos = MapLS( wp );
2296 }
2297 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
2298 *plparam = MapLS( nc );
2299 }
2300 return 1;
2301 case WM_NCCREATE:
2302 case WM_CREATE:
2303 {
2304 CREATESTRUCT16 *cs;
2305 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
2306
2307 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2308 CREATESTRUCT32Ato16( cs32, cs );
2309 cs->lpszName = MapLS( cs32->lpszName );
2310 cs->lpszClass = MapLS( cs32->lpszClass );
2311
2312 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2313 {
2314 MDICREATESTRUCT16 *mdi_cs16;
2315 MDICREATESTRUCTA *mdi_cs = (MDICREATESTRUCTA *)cs32->lpCreateParams;
2316 mdi_cs16 = HeapAlloc(GetProcessHeap(), 0, sizeof(*mdi_cs16));
2317 if (!mdi_cs16)
2318 {
2319 HeapFree(GetProcessHeap(), 0, cs);
2320 return -1;
2321 }
2322 MDICREATESTRUCT32Ato16(mdi_cs, mdi_cs16);
2323 mdi_cs16->szTitle = MapLS( mdi_cs->szTitle );
2324 mdi_cs16->szClass = MapLS( mdi_cs->szClass );
2325 cs->lpCreateParams = MapLS( mdi_cs16 );
2326 }
2327 *plparam = MapLS( cs );
2328 }
2329 return 1;
2330 case WM_PARENTNOTIFY:
2331 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
2332 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
2333 /* else nothing to do */
2334 return 0;
2335 case WM_NOTIFY:
2336 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
2337 return 1;
2338 case WM_SETTEXT:
2339 case WM_WININICHANGE:
2340 case WM_DEVMODECHANGE:
2341 *plparam = MapLS( (LPSTR)*plparam );
2342 return 1;
2343 case WM_WINDOWPOSCHANGING:
2344 case WM_WINDOWPOSCHANGED:
2345 {
2346 WINDOWPOS16 *wp = HeapAlloc( GetProcessHeap(), 0, sizeof(*wp) + sizeof(LPARAM) );
2347 if (!wp) return -1;
2348 WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
2349 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
2350 *plparam = MapLS( wp );
2351 }
2352 return 1;
2353 case WM_GETDLGCODE:
2354 if (*plparam) {
2355 LPMSG msg32 = (LPMSG) *plparam;
2356 LPMSG16 msg16 = HeapAlloc( GetProcessHeap(), 0, sizeof(MSG16) );
2357
2358 if (!msg16) return -1;
2359 msg16->hwnd = HWND_16( msg32->hwnd );
2360 msg16->lParam = msg32->lParam;
2361 msg16->time = msg32->time;
2362 msg16->pt.x = msg32->pt.x;
2363 msg16->pt.y = msg32->pt.y;
2364 /* this is right, right? */
2365 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
2366 &msg16->message,&msg16->wParam, &msg16->lParam)<0)
2367 {
2368 HeapFree( GetProcessHeap(), 0, msg16 );
2369 return -1;
2370 }
2371 *plparam = MapLS( msg16 );
2372 return 1;
2373 }
2374 return 0;
2375
2376 case WM_ACTIVATEAPP:
2377 if (*plparam) *plparam = HTASK_16( (HANDLE)*plparam );
2378 return 0;
2379 case WM_NEXTMENU:
2380 {
2381 MDINEXTMENU *next = (MDINEXTMENU *)*plparam;
2382 *plparam = (LPARAM)next->hmenuIn;
2383 return 1;
2384 }
2385 case WM_PAINT:
2386 if (IsIconic( hwnd ) && GetClassLongW( hwnd, GCL_HICON ))
2387 {
2388 *pmsg16 = WM_PAINTICON;
2389 *pwparam16 = 1;
2390 }
2391 return 0;
2392 case WM_ERASEBKGND:
2393 if (IsIconic( hwnd ) && GetClassLongW( hwnd, GCL_HICON ))
2394 *pmsg16 = WM_ICONERASEBKGND;
2395 return 0;
2396 case WM_PAINTCLIPBOARD:
2397 case WM_SIZECLIPBOARD:
2398 FIXME_(msg)("message %04x needs translation\n", msg32 );
2399 return -1;
2400 /* following messages should not be sent to 16-bit apps */
2401 case WM_SIZING:
2402 case WM_MOVING:
2403 case WM_CAPTURECHANGED:
2404 case WM_STYLECHANGING:
2405 case WM_STYLECHANGED:
2406 return -1;
2407 case WM_DDE_INITIATE:
2408 case WM_DDE_TERMINATE:
2409 case WM_DDE_UNADVISE:
2410 case WM_DDE_REQUEST:
2411 *pwparam16 = HWND_16((HWND)wParam32);
2412 return 0;
2413 case WM_DDE_ADVISE:
2414 case WM_DDE_DATA:
2415 case WM_DDE_POKE:
2416 {
2417 UINT lo32, hi;
2418 HANDLE16 lo16 = 0;
2419
2420 *pwparam16 = HWND_16((HWND)wParam32);
2421 UnpackDDElParam(msg32, *plparam, &lo32, &hi);
2422 if (lo32 && !(lo16 = convert_handle_32_to_16(lo32, GMEM_DDESHARE)))
2423 return -1;
2424 *plparam = MAKELPARAM(lo16, hi);
2425 }
2426 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2427 case WM_DDE_ACK:
2428 {
2429 UINT lo, hi;
2430 int flag = 0;
2431 char buf[2];
2432
2433 *pwparam16 = HWND_16((HWND)wParam32);
2434
2435 UnpackDDElParam(msg32, *plparam, &lo, &hi);
2436
2437 if (GlobalGetAtomNameA((ATOM)hi, buf, sizeof(buf)) > 0) flag |= 1;
2438 if (GlobalSize((HANDLE)hi) != 0) flag |= 2;
2439 switch (flag)
2440 {
2441 case 0:
2442 if (hi)
2443 {
2444 MESSAGE("DDE_ACK: neither atom nor handle!!!\n");
2445 hi = 0;
2446 }
2447 break;
2448 case 1:
2449 break; /* atom, nothing to do */
2450 case 3:
2451 MESSAGE("DDE_ACK: %x both atom and handle... choosing handle\n", hi);
2452 /* fall thru */
2453 case 2:
2454 hi = convert_handle_32_to_16(hi, GMEM_DDESHARE);
2455 break;
2456 }
2457 *plparam = MAKELPARAM(lo, hi);
2458 }
2459 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2460 case WM_DDE_EXECUTE:
2461 *plparam = convert_handle_32_to_16(*plparam, GMEM_DDESHARE);
2462 return 0; /* FIXME don't know how to free allocated memory (handle) !! */
2463 default: /* No translation needed */
2464 return 0;
2465 }
2466 }
2467
2468
2469 /**********************************************************************
2470 * WINPROC_UnmapMsg32ATo16
2471 *
2472 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
2473 */
2474 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2475 MSGPARAM16* p16 )
2476 {
2477 switch(msg)
2478 {
2479 case SBM_GETRANGE:
2480 *(LPINT)wParam = LOWORD(p16->lResult);
2481 *(LPINT)lParam = HIWORD(p16->lResult);
2482 break;
2483
2484 case LB_ADDFILE:
2485 case LB_ADDSTRING:
2486 case LB_DIR:
2487 case LB_FINDSTRING:
2488 case LB_FINDSTRINGEXACT:
2489 case LB_INSERTSTRING:
2490 case LB_SELECTSTRING:
2491 case LB_GETTEXT:
2492 case CB_ADDSTRING:
2493 case CB_FINDSTRING:
2494 case CB_FINDSTRINGEXACT:
2495 case CB_INSERTSTRING:
2496 case CB_SELECTSTRING:
2497 case CB_DIR:
2498 case CB_GETLBTEXT:
2499 case WM_SETTEXT:
2500 case WM_WININICHANGE:
2501 case WM_DEVMODECHANGE:
2502 UnMapLS( (SEGPTR)p16->lParam );
2503 break;
2504 case LB_SETTABSTOPS:
2505 case WM_COMPAREITEM:
2506 case WM_DELETEITEM:
2507 case WM_DRAWITEM:
2508 {
2509 void *ptr = MapSL( p16->lParam );
2510 UnMapLS( p16->lParam );
2511 HeapFree( GetProcessHeap(), 0, ptr );
2512 }
2513 break;
2514 case CB_GETDROPPEDCONTROLRECT:
2515 case LB_GETITEMRECT:
2516 {
2517 RECT *r32;
2518 RECT16 *rect = MapSL(p16->lParam);
2519 UnMapLS( p16->lParam );
2520 p16->lParam = *(LPARAM *)(rect + 1);
2521 r32 = (RECT *)p16->lParam;
2522 r32->left = rect->left;
2523 r32->top = rect->top;
2524 r32->right = rect->right;
2525 r32->bottom = rect->bottom;
2526 HeapFree( GetProcessHeap(), 0, rect );
2527 }
2528 break;
2529 case LB_GETSELITEMS:
2530 {
2531 INT i;
2532 LPINT16 items = MapSL(p16->lParam);
2533 UnMapLS( p16->lParam );
2534 p16->lParam = *((LPARAM *)items - 1);
2535 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2536 HeapFree( GetProcessHeap(), 0, (LPARAM *)items - 1 );
2537 }
2538 break;
2539
2540 case CB_GETEDITSEL:
2541 if( wParam )
2542 *((PUINT)(wParam)) = LOWORD(p16->lResult);
2543 if( lParam )
2544 *((PUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2545 break;
2546
2547 case WM_MEASUREITEM:
2548 {
2549 MEASUREITEMSTRUCT16 *mis = MapSL(p16->lParam);
2550 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2551 mis32->itemWidth = mis->itemWidth;
2552 mis32->itemHeight = mis->itemHeight;
2553 UnMapLS( p16->lParam );
2554 HeapFree( GetProcessHeap(), 0, mis );
2555 }
2556 break;
2557 case WM_GETMINMAXINFO:
2558 {
2559 MINMAXINFO16 *mmi = MapSL(p16->lParam);
2560 UnMapLS( p16->lParam );
2561 p16->lParam = *(LPARAM *)(mmi + 1);
2562 MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2563 HeapFree( GetProcessHeap(), 0, mmi );
2564 }
2565 break;
2566 case WM_GETTEXT:
2567 case WM_ASKCBFORMATNAME:
2568 {
2569 LPSTR str = MapSL(p16->lParam);
2570 UnMapLS( p16->lParam );
2571 p16->lParam = *((LPARAM *)str - 1);
2572 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2573 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2574 }
2575 break;
2576 case WM_MDICREATE:
2577 {
2578 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2579 UnMapLS( cs->szTitle );
2580 UnMapLS( cs->szClass );
2581 UnMapLS( p16->lParam );
2582 HeapFree( GetProcessHeap(), 0, cs );
2583 }
2584 break;
2585 case WM_MDIGETACTIVE:
2586 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2587 p16->lResult = (LRESULT)WIN_Handle32( LOWORD(p16->lResult) );
2588 break;
2589 case WM_NCCALCSIZE:
2590 {
2591 NCCALCSIZE_PARAMS *nc32;
2592 NCCALCSIZE_PARAMS16 *nc = MapSL(p16->lParam);
2593 UnMapLS( p16->lParam );
2594 p16->lParam = *(LPARAM *)(nc + 1);
2595 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2596 nc32->rgrc[0].left = nc->rgrc[0].left;
2597 nc32->rgrc[0].top = nc->rgrc[0].top;
2598 nc32->rgrc[0].right = nc->rgrc[0].right;
2599 nc32->rgrc[0].bottom = nc->rgrc[0].bottom;
2600 if (p16->wParam)
2601 {
2602 WINDOWPOS16 *pos = MapSL(nc->lppos);
2603 UnMapLS( nc->lppos );
2604 nc32->rgrc[1].left = nc->rgrc[1].left;
2605 nc32->rgrc[1].top = nc->rgrc[1].top;
2606 nc32->rgrc[1].right = nc->rgrc[1].right;
2607 nc32->rgrc[1].bottom = nc->rgrc[1].bottom;
2608 nc32->rgrc[2].left = nc->rgrc[2].left;
2609 nc32->rgrc[2].top = nc->rgrc[2].top;
2610 nc32->rgrc[2].right = nc->rgrc[2].right;
2611 nc32->rgrc[2].bottom = nc->rgrc[2].bottom;
2612 WINDOWPOS16to32( pos, nc32->lppos );
2613 HeapFree( GetProcessHeap(), 0, pos );
2614 }
2615 HeapFree( GetProcessHeap(), 0, nc );
2616 }
2617 break;
2618 case WM_NCCREATE:
2619 case WM_CREATE:
2620 {
2621 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2622 UnMapLS( p16->lParam );
2623 UnMapLS( cs->lpszName );
2624 UnMapLS( cs->lpszClass );
2625 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2626 {
2627 MDICREATESTRUCT16 *mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs->lpCreateParams);
2628 UnMapLS( cs->lpCreateParams );
2629 UnMapLS( mdi_cs16->szTitle );
2630 UnMapLS( mdi_cs16->szClass );
2631 HeapFree(GetProcessHeap(), 0, mdi_cs16);
2632 }
2633 HeapFree( GetProcessHeap(), 0, cs );
2634 }
2635 break;
2636 case WM_WINDOWPOSCHANGING:
2637 case WM_WINDOWPOSCHANGED:
2638 {
2639 WINDOWPOS16 *wp = MapSL(p16->lParam);
2640 UnMapLS( p16->lParam );
2641 p16->lParam = *(LPARAM *)(wp + 1);
2642 WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2643 HeapFree( GetProcessHeap(), 0, wp );
2644 }
2645 break;
2646 case WM_NOTIFY:
2647 UnMapLS(p16->lParam);
2648 break;
2649 case WM_GETDLGCODE:
2650 if (p16->lParam)
2651 {
2652 LPMSG16 msg16 = MapSL(p16->lParam);
2653 MSGPARAM16 msgp16;
2654 UnMapLS( p16->lParam );
2655 msgp16.wParam=msg16->wParam;
2656 msgp16.lParam=msg16->lParam;
2657 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2658 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2659 &msgp16 );
2660 HeapFree( GetProcessHeap(), 0, msg16 );
2661 }
2662 break;
2663 case WM_NEXTMENU:
2664 {
2665 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
2666 next->hmenuNext = HMENU_32( LOWORD(p16->lResult) );
2667 next->hwndNext = WIN_Handle32( HIWORD(p16->lResult) );
2668 p16->lResult = 0;
2669 }
2670 break;
2671 }
2672 }
2673
2674
2675 /**********************************************************************
2676 * WINPROC_MapMsg32WTo16
2677 *
2678 * Map a message from 32-bit Unicode to 16-bit.
2679 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2680 */
2681 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2682 UINT16 *pmsg16, WPARAM16 *pwparam16,
2683 LPARAM *plparam )
2684 {
2685 BYTE ch;
2686 WCHAR wch;
2687
2688 *pmsg16 = LOWORD(msg32);
2689 *pwparam16 = LOWORD(wParam32);
2690 switch(msg32)
2691 {
2692 case LB_ADDSTRING:
2693 case LB_FINDSTRING:
2694 case LB_FINDSTRINGEXACT:
2695 case LB_INSERTSTRING:
2696 case LB_SELECTSTRING:
2697 case LB_DIR:
2698 case LB_ADDFILE:
2699 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2700 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2701 return 1;
2702
2703 case CB_ADDSTRING:
2704 case CB_FINDSTRING:
2705 case CB_FINDSTRINGEXACT:
2706 case CB_INSERTSTRING:
2707 case CB_SELECTSTRING:
2708 case CB_DIR:
2709 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2710 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2711 return 1;
2712
2713 case WM_NCCREATE:
2714 case WM_CREATE:
2715 {
2716 CREATESTRUCT16 *cs;
2717 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2718
2719 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(CREATESTRUCT16) ))) return -1;
2720 CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2721 cs->lpszName = map_str_32W_to_16( cs32->lpszName );
2722 cs->lpszClass = map_str_32W_to_16( cs32->lpszClass );
2723
2724 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2725 {
2726 MDICREATESTRUCT16 *mdi_cs16;
2727 MDICREATESTRUCTW *mdi_cs = (MDICREATESTRUCTW *)cs32->lpCreateParams;
2728 mdi_cs16 = HeapAlloc(GetProcessHeap(), 0, sizeof(*mdi_cs16));
2729 if (!mdi_cs16)
2730 {
2731 HeapFree(GetProcessHeap(), 0, cs);
2732 return -1;
2733 }
2734 MDICREATESTRUCT32Ato16((MDICREATESTRUCTA *)mdi_cs, mdi_cs16);
2735 mdi_cs16->szTitle = map_str_32W_to_16(mdi_cs->szTitle);
2736 mdi_cs16->szClass = map_str_32W_to_16(mdi_cs->szClass);
2737 cs->lpCreateParams = MapLS(mdi_cs16);
2738 }
2739 *plparam = MapLS(cs);
2740 }
2741 return 1;
2742 case WM_MDICREATE:
2743 {
2744 MDICREATESTRUCT16 *cs;
2745 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2746
2747 if (!(cs = HeapAlloc( GetProcessHeap(), 0, sizeof(MDICREATESTRUCT16) ))) return -1;
2748 MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2749 cs->szTitle = map_str_32W_to_16( cs32->szTitle );
2750 cs->szClass = map_str_32W_to_16( cs32->szClass );
2751 *plparam = MapLS(cs);
2752 }
2753 return 1;
2754 case WM_SETTEXT:
2755 case WM_WININICHANGE:
2756 case WM_DEVMODECHANGE:
2757 *plparam = map_str_32W_to_16( (LPWSTR)*plparam );
2758 return 1;
2759 case LB_GETTEXT:
2760 if ( WINPROC_TestLBForStr( hwnd ))
2761 {
2762 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2763 if (!str) return -1;
2764 *pmsg16 = LB_GETTEXT16;
2765 *plparam = (LPARAM)MapLS(str);
2766 }
2767 return 1;
2768 case CB_GETLBTEXT:
2769 if ( WINPROC_TestCBForStr( hwnd ))
2770 {
2771 LPSTR str = HeapAlloc( GetProcessHeap(), 0, 256 ); /* FIXME: fixed sized buffer */
2772 if (!str) return -1;
2773 *pmsg16 = CB_GETLBTEXT16;
2774 *plparam = (LPARAM)MapLS(str);
2775 }
2776 return 1;
2777
2778 case WM_CHARTOITEM:
2779 wch = LOWORD(wParam32);
2780 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2781 *pwparam16 = ch;
2782 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2783 return 0;
2784 case WM_MENUCHAR:
2785 wch = LOWORD(wParam32);
2786 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2787 *pwparam16 = ch;
2788 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2789 return 0;
2790 case WM_CHAR:
2791 case WM_DEADCHAR:
2792 case WM_SYSCHAR:
2793 case WM_SYSDEADCHAR:
2794 wch = wParam32;
2795 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2796 *pwparam16 = ch;
2797 return 0;
2798 case WM_IME_CHAR:
2799 {
2800 BYTE ch[2];
2801
2802 wch = wParam32;
2803 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, ch, 2, NULL, NULL ) == 2)
2804 *pwparam16 = (ch[0] << 8) | ch[1];
2805 else
2806 *pwparam16 = ch[0];
2807 }
2808 return 0;
2809
2810 default: /* No Unicode translation needed (?) */
2811 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2812 pwparam16, plparam );
2813 }
2814 }
2815
2816
2817 /**********************************************************************
2818 * WINPROC_UnmapMsg32WTo16
2819 *
2820 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2821 */
2822 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2823 MSGPARAM16* p16 )
2824 {
2825 switch(msg)
2826 {
2827 case LB_ADDSTRING:
2828 case LB_FINDSTRING:
2829 case LB_FINDSTRINGEXACT:
2830 case LB_INSERTSTRING:
2831 case LB_SELECTSTRING:
2832 case LB_DIR:
2833 case LB_ADDFILE:
2834 case CB_ADDSTRING:
2835 case CB_FINDSTRING:
2836 case CB_FINDSTRINGEXACT:
2837 case CB_INSERTSTRING:
2838 case CB_SELECTSTRING:
2839 case CB_DIR:
2840 case WM_SETTEXT:
2841 case WM_WININICHANGE:
2842 case WM_DEVMODECHANGE:
2843 unmap_str_32W_to_16( p16->lParam );
2844 break;
2845 case WM_NCCREATE:
2846 case WM_CREATE:
2847 {
2848 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2849 UnMapLS( p16->lParam );
2850 unmap_str_32W_to_16( cs->lpszName );
2851 unmap_str_32W_to_16( cs->lpszClass );
2852
2853 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2854 {
2855 MDICREATESTRUCT16 *mdi_cs16 = (MDICREATESTRUCT16 *)MapSL(cs->lpCreateParams);
2856 UnMapLS( cs->lpCreateParams );
2857 unmap_str_32W_to_16(mdi_cs16->szTitle);
2858 unmap_str_32W_to_16(mdi_cs16->szClass);
2859 HeapFree(GetProcessHeap(), 0, mdi_cs16);
2860 }
2861 HeapFree( GetProcessHeap(), 0, cs );
2862 }
2863 break;
2864 case WM_MDICREATE:
2865 {
2866 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2867 UnMapLS( p16->lParam );
2868 unmap_str_32W_to_16( cs->szTitle );
2869 unmap_str_32W_to_16( cs->szClass );
2870 HeapFree( GetProcessHeap(), 0, cs );
2871 }
2872 break;
2873 case WM_GETTEXT:
2874 case WM_ASKCBFORMATNAME:
2875 {
2876 LPSTR str = MapSL(p16->lParam);
2877 UnMapLS( p16->lParam );
2878 p16->lParam = *((LPARAM *)str - 1);
2879 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)p16->lParam, 0x7fffffff );
2880 p16->lResult = strlenW( (LPWSTR)p16->lParam );
2881 HeapFree( GetProcessHeap(), 0, (LPARAM *)str - 1 );
2882 }
2883 break;
2884 case LB_GETTEXT:
2885 if ( WINPROC_TestLBForStr( hwnd ))
2886 {
2887 LPSTR str = MapSL(p16->lParam);
2888 UnMapLS( p16->lParam );
2889 p16->lResult = MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff ) - 1;
2890 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2891 }
2892 break;
2893 case CB_GETLBTEXT:
2894 if ( WINPROC_TestCBForStr( hwnd ))
2895 {
2896 LPSTR str = MapSL(p16->lParam);
2897 UnMapLS( p16->lParam );
2898 p16->lResult = MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff ) - 1;
2899 HeapFree( GetProcessHeap(), 0, (LPARAM *)str );
2900 }
2901 break;
2902 default:
2903 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2904 break;
2905 }
2906 }
2907
2908
2909 /**********************************************************************
2910 * WINPROC_CallProc32ATo32W
2911 *
2912 * Call a window procedure, translating args from Ansi to Unicode.
2913 */
2914 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2915 UINT msg, WPARAM wParam,
2916 LPARAM lParam )
2917 {
2918 LRESULT result;
2919 int unmap;
2920
2921 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
2922 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
2923
2924 if( (unmap = WINPROC_MapMsg32ATo32W( hwnd, msg, &wParam, &lParam )) == -1) {
2925 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2926 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2927 return 0;
2928 }
2929 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2930 if (unmap) result = WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
2931 return result;
2932 }
2933
2934
2935 /**********************************************************************
2936 * WINPROC_CallProc32WTo32A_fast
2937 *
2938 */
2939 static BOOL WINPROC_CallProc32WTo32A_fast( WNDPROC func, HWND hwnd,
2940 UINT msg, WPARAM wParam,
2941 LPARAM lParam, LRESULT *result )
2942 {
2943 switch(msg)
2944 {
2945 case WM_NCCREATE:
2946 case WM_CREATE:
2947 { /* csW->lpszName and csW->lpszClass are NOT supposed to be atoms
2948 * at this point.
2949 */
2950 char buffer[1024];
2951 char *cls = buffer, *name;
2952 CREATESTRUCTW *csW = (CREATESTRUCTW *)lParam;
2953 CREATESTRUCTA csA = *(CREATESTRUCTA *)csW;
2954 DWORD name_lenA, name_lenW, class_lenA, class_lenW;
2955
2956 class_lenW = strlenW(csW->lpszClass) * sizeof(WCHAR);
2957 RtlUnicodeToMultiByteSize(&class_lenA, csW->lpszClass, class_lenW);
2958
2959 if (csW->lpszName)
2960 {
2961 name_lenW = strlenW(csW->lpszName) * sizeof(WCHAR);
2962 RtlUnicodeToMultiByteSize(&name_lenA, csW->lpszName, name_lenW);
2963 }
2964 else
2965 name_lenW = name_lenA = 0;
2966
2967 if (class_lenA + name_lenA + 2 > sizeof(buffer))
2968 {
2969 cls = HeapAlloc(GetProcessHeap(), 0, class_lenA + name_lenA + 2);
2970 if (!cls) return FALSE;
2971 }
2972
2973 RtlUnicodeToMultiByteN(cls, class_lenA, NULL, csW->lpszClass, class_lenW);
2974 cls[class_lenA] = 0;
2975 csA.lpszClass = cls;
2976
2977 if (csW->lpszName)
2978 {
2979 name = cls + class_lenA + 1;
2980 RtlUnicodeToMultiByteN(name, name_lenA, NULL, csW->lpszName, name_lenW);
2981 name[name_lenA] = 0;
2982 csA.lpszName = name;
2983 }
2984
2985 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
2986 {
2987 MDICREATESTRUCTA mdi_cs;
2988
2989 mdi_cs = *(MDICREATESTRUCTA *)csW->lpCreateParams;
2990 mdi_cs.szTitle = csA.lpszName;
2991 mdi_cs.szClass = csA.lpszClass;
2992 csA.lpCreateParams = &mdi_cs;
2993 }
2994
2995 lParam = (LPARAM)&csA;
2996 *result = WINPROC_CallWndProc(func, hwnd, msg, wParam, lParam);
2997
2998 if (cls != buffer) HeapFree(GetProcessHeap(), 0, cls);
2999 }
3000 return TRUE;
3001
3002 default:
3003 return FALSE;
3004 }
3005 }
3006
3007 /**********************************************************************
3008 * WINPROC_CallProc32WTo32A
3009 *
3010 * Call a window procedure, translating args from Unicode to Ansi.
3011 */
3012 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
3013 UINT msg, WPARAM wParam,
3014 LPARAM lParam )
3015 {
3016 LRESULT result;
3017 int unmap;
3018
3019 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
3020 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
3021
3022 if (WINPROC_CallProc32WTo32A_fast( func, hwnd, msg, wParam, lParam, &result ))
3023 return result;
3024
3025 if ((unmap = WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam )) == -1) {
3026 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
3027 SPY_GetMsgName(msg, hwnd), wParam, lParam );
3028 return 0;
3029 }
3030 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3031 if( unmap ) result = WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam, result );
3032 return result;
3033 }
3034
3035
3036 /**********************************************************************
3037 * __wine_call_wndproc_32A (USER.1010)
3038 */
3039 LRESULT WINAPI __wine_call_wndproc_32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
3040 WNDPROC func )
3041 {
3042 LRESULT result;
3043 UINT msg32;
3044 WPARAM wParam32;
3045 HWND hwnd32 = WIN_Handle32( hwnd );
3046
3047 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
3048 func, hwnd32, SPY_GetMsgName(msg, hwnd32), wParam, lParam);
3049
3050 if (WINPROC_MapMsg16To32A( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
3051 return 0;
3052 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
3053 return WINPROC_UnmapMsg16To32A( hwnd32, msg32, wParam32, lParam, result );
3054 }
3055
3056
3057 /**********************************************************************
3058 * __wine_call_wndproc_32W (USER.1011)
3059 */
3060 LRESULT WINAPI __wine_call_wndproc_32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
3061 WNDPROC func )
3062 {
3063 LRESULT result;
3064 UINT msg32;
3065 WPARAM wParam32;
3066 HWND hwnd32 = WIN_Handle32( hwnd );
3067
3068 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
3069 func, hwnd32, SPY_GetMsgName(msg, hwnd32), wParam, lParam);
3070
3071 if (WINPROC_MapMsg16To32W( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
3072 return 0;
3073 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
3074 return WINPROC_UnmapMsg16To32W( hwnd32, msg32, wParam32, lParam, result );
3075 }
3076
3077
3078 /**********************************************************************
3079 * WINPROC_CallProc32ATo16
3080 *
3081 * Call a 16-bit window procedure, translating the 32-bit args.
3082 */
3083 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
3084 UINT msg, WPARAM wParam,
3085 LPARAM lParam )
3086 {
3087 UINT16 msg16;
3088 MSGPARAM16 mp16;
3089
3090 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
3091 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
3092
3093 mp16.lParam = lParam;
3094 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1)
3095 return 0;
3096 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
3097 mp16.wParam, mp16.lParam );
3098 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
3099 return mp16.lResult;
3100 }
3101
3102
3103 /**********************************************************************
3104 * WINPROC_CallProc32WTo16
3105 *
3106 * Call a 16-bit window procedure, translating the 32-bit args.
3107 */
3108 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
3109 UINT msg, WPARAM wParam,
3110 LPARAM lParam )
3111 {
3112 UINT16 msg16;
3113 MSGPARAM16 mp16;
3114
3115 TRACE_(msg)("func %p (hwnd=%p,msg=%s,wp=%08x,lp=%08lx)\n",
3116 func, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam);
3117
3118 mp16.lParam = lParam;
3119 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
3120 &mp16.lParam ) == -1)
3121 return 0;
3122 mp16.lResult = WINPROC_CallWndProc16( func, HWND_16(hwnd), msg16,
3123 mp16.wParam, mp16.lParam );
3124 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
3125 return mp16.lResult;
3126 }
3127
3128
3129 /**********************************************************************
3130 * CallWindowProc (USER.122)
3131 */
3132 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
3133 WPARAM16 wParam, LPARAM lParam )
3134 {
3135 WINDOWPROC *proc;
3136
3137 if (!func) return 0;
3138
3139 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
3140 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
3141
3142 #if testing
3143 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_16 );
3144 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
3145 #endif
3146
3147 switch(proc->type)
3148 {
3149 case WIN_PROC_16:
3150 if (!proc->thunk.t_from32.proc) return 0;
3151 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
3152 hwnd, msg, wParam, lParam );
3153 case WIN_PROC_32A:
3154 if (!proc->thunk.t_from16.proc) return 0;
3155 return __wine_call_wndproc_32A( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
3156 case WIN_PROC_32W:
3157 if (!proc->thunk.t_from16.proc) return 0;
3158 return __wine_call_wndproc_32W( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc );
3159 default:
3160 WARN_(relay)("Invalid proc %p\n", proc );
3161 return 0;
3162 }
3163 }
3164
3165
3166 /**********************************************************************
3167 * CallWindowProcA (USER32.@)
3168 *
3169 * The CallWindowProc() function invokes the windows procedure _func_,
3170 * with _hwnd_ as the target window, the message specified by _msg_, and
3171 * the message parameters _wParam_ and _lParam_.
3172 *
3173 * Some kinds of argument conversion may be done, I'm not sure what.
3174 *
3175 * CallWindowProc() may be used for windows subclassing. Use
3176 * SetWindowLong() to set a new windows procedure for windows of the
3177 * subclass, and handle subclassed messages in the new windows
3178 * procedure. The new windows procedure may then use CallWindowProc()
3179 * with _func_ set to the parent class's windows procedure to dispatch
3180 * the message to the superclass.
3181 *
3182 * RETURNS
3183 *
3184 * The return value is message dependent.
3185 *
3186 * CONFORMANCE
3187 *
3188 * ECMA-234, Win32
3189 */
3190 LRESULT WINAPI CallWindowProcA(
3191 WNDPROC func, /* [in] window procedure */
3192 HWND hwnd, /* [in] target window */
3193 UINT msg, /* [in] message */
3194 WPARAM wParam, /* [in] message dependent parameter */
3195 LPARAM lParam /* [in] message dependent parameter */
3196 ) {
3197 WINDOWPROC *proc;
3198
3199 if (!func) return 0;
3200
3201 if (!(proc = WINPROC_GetPtr( func )))
3202 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3203
3204 #if testing
3205 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32A );
3206 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3207 #endif
3208
3209 switch(proc->type)
3210 {
3211 case WIN_PROC_16:
3212 if (!proc->thunk.t_from32.proc) return 0;
3213 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
3214 hwnd, msg, wParam, lParam );
3215 case WIN_PROC_32A:
3216 if (!proc->thunk.t_from16.proc) return 0;
3217 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
3218 hwnd, msg, wParam, lParam );
3219 case WIN_PROC_32W:
3220 if (!proc->thunk.t_from16.proc) return 0;
3221 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
3222 hwnd, msg, wParam, lParam );
3223 default:
3224 WARN_(relay)("Invalid proc %p\n", proc );
3225 return 0;
3226 }
3227 }
3228
3229
3230 /**********************************************************************
3231 * CallWindowProcW (USER32.@)
3232 */
3233 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
3234 WPARAM wParam, LPARAM lParam )
3235 {
3236 WINDOWPROC *proc;
3237
3238 if (!func) return 0;
3239
3240 if (!(proc = WINPROC_GetPtr( (WNDPROC)func )))
3241 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3242
3243 #if testing
3244 func = WINPROC_GetProc( (WNDPROC)proc, WIN_PROC_32W );
3245 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
3246 #endif
3247
3248 switch(proc->type)
3249 {
3250 case WIN_PROC_16:
3251 if (!proc->thunk.t_from32.proc) return 0;
3252 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
3253 hwnd, msg, wParam, lParam );
3254 case WIN_PROC_32A:
3255 if (!proc->thunk.t_from16.proc) return 0;
3256 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
3257 hwnd, msg, wParam, lParam );
3258 case WIN_PROC_32W:
3259 if (!proc->thunk.t_from16.proc) return 0;
3260 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
3261 hwnd, msg, wParam, lParam );
3262 default:
3263 WARN_(relay)("Invalid proc %p\n", proc );
3264 return 0;
3265 }
3266 }
Maarten's multimedia branch