Fixed a typo.
[wine/multimedia.git] / windows / winproc.c
blob755f582169b6b685342c3bec55b40ca9cc4c56bd
1 /*
2 * Window procedure callbacks
4 * Copyright 1995 Martin von Loewis
5 * Copyright 1996 Alexandre Julliard
6 */
8 #include "config.h"
10 #include <string.h>
12 #include "windef.h"
13 #include "winbase.h"
14 #include "wingdi.h"
15 #include "wine/winbase16.h"
16 #include "wine/winuser16.h"
17 #include "stackframe.h"
18 #include "builtin16.h"
19 #include "controls.h"
20 #include "heap.h"
21 #include "struct32.h"
22 #include "win.h"
23 #include "winproc.h"
24 #include "debugtools.h"
25 #include "spy.h"
26 #include "task.h"
27 #include "thread.h"
29 DECLARE_DEBUG_CHANNEL(msg);
30 DECLARE_DEBUG_CHANNEL(relay);
31 DECLARE_DEBUG_CHANNEL(win);
33 /* Window procedure 16-to-32-bit thunk,
34 * see BuildSpec16File() in tools/build.c */
36 #include "pshpack1.h"
37 typedef struct
39 WORD pushw_bp; /* pushw %bp */
40 BYTE pushl_func; /* pushl $proc */
41 WNDPROC proc;
42 WORD pushw_ax; /* pushw %ax */
43 BYTE pushl_relay; /* pushl $relay */
44 void (*relay)(); /* WINPROC_Thunk16To32A/W() */
45 BYTE lcall; /* lcall cs:glue */
46 void (*glue)(); /* __wine_call_from_16_long */
47 WORD cs; /* __FLATCS */
48 WORD lret; /* lret $10 */
49 WORD nArgs;
50 } WINPROC_THUNK_FROM16;
51 #include "poppack.h"
53 /* Window procedure 32-to-16-bit thunk,
54 * see BuildSpec32File() in tools/build.c */
56 typedef struct
58 BYTE popl_eax; /* popl %eax (return address) */
59 BYTE pushl_func; /* pushl $proc */
60 WNDPROC16 proc WINE_PACKED;
61 BYTE pushl_eax; /* pushl %eax */
62 BYTE jmp; /* jmp relay (relative jump)*/
63 void (*relay)() WINE_PACKED; /* WINPROC_CallProc32ATo16() */
64 } WINPROC_THUNK_FROM32;
66 /* Simple jmp to call 32-bit procedure directly */
67 typedef struct
69 BYTE jmp; /* jmp proc (relative jump) */
70 WNDPROC proc WINE_PACKED;
71 } WINPROC_JUMP;
73 typedef union
75 WINPROC_THUNK_FROM16 t_from16;
76 WINPROC_THUNK_FROM32 t_from32;
77 } WINPROC_THUNK;
79 typedef struct tagWINDOWPROC
81 WINPROC_THUNK thunk; /* Thunk */
82 WINPROC_JUMP jmp; /* Jump */
83 struct tagWINDOWPROC *next; /* Next window proc */
84 UINT magic; /* Magic number */
85 WINDOWPROCTYPE type; /* Function type */
86 WINDOWPROCUSER user; /* Function user */
87 } WINDOWPROC;
89 #define WINPROC_MAGIC ('W' | ('P' << 8) | ('R' << 16) | ('C' << 24))
91 #define WINPROC_THUNKPROC(pproc) \
92 (((pproc)->type == WIN_PROC_16) ? \
93 (WNDPROC16)((pproc)->thunk.t_from32.proc) : \
94 (WNDPROC16)((pproc)->thunk.t_from16.proc))
96 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
97 UINT msg, WPARAM wParam,
98 LPARAM lParam );
99 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
100 UINT msg, WPARAM wParam,
101 LPARAM lParam );
102 static LRESULT WINAPI WINPROC_Thunk16To32A( WNDPROC func, LPBYTE args );
103 static LRESULT WINAPI WINPROC_Thunk16To32W( WNDPROC func, LPBYTE args );
105 static HANDLE WinProcHeap;
108 /**********************************************************************
109 * WINPROC_Init
111 BOOL WINPROC_Init(void)
113 WinProcHeap = HeapCreate( HEAP_WINE_SEGPTR | HEAP_WINE_CODESEG, 0, 0 );
114 if (!WinProcHeap)
116 WARN_(relay)("Unable to create winproc heap\n" );
117 return FALSE;
119 return TRUE;
123 #ifdef __i386__
124 /* Some window procedures modify register they shouldn't, or are not
125 * properly declared stdcall; so we need a small assembly wrapper to
126 * call them. */
127 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
128 WPARAM wParam, LPARAM lParam );
129 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
130 "pushl %ebp\n\t"
131 "movl %esp,%ebp\n\t"
132 "pushl %edi\n\t"
133 "pushl %esi\n\t"
134 "pushl %ebx\n\t"
135 "pushl 24(%ebp)\n\t"
136 "pushl 20(%ebp)\n\t"
137 "pushl 16(%ebp)\n\t"
138 "pushl 12(%ebp)\n\t"
139 "movl 8(%ebp),%eax\n\t"
140 "call *%eax\n\t"
141 "leal -12(%ebp),%esp\n\t"
142 "popl %ebx\n\t"
143 "popl %esi\n\t"
144 "popl %edi\n\t"
145 "leave\n\t"
146 "ret" );
147 #else
148 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
149 WPARAM wParam, LPARAM lParam )
151 return proc( hwnd, msg, wParam, lParam );
153 #endif /* __i386__ */
155 /**********************************************************************
156 * WINPROC_CallWndProc32
158 * Call a 32-bit WndProc.
160 static LRESULT WINPROC_CallWndProc( WNDPROC proc, HWND hwnd, UINT msg,
161 WPARAM wParam, LPARAM lParam )
163 LRESULT retvalue;
164 int iWndsLocks;
166 hwnd = WIN_GetFullHandle( hwnd );
167 if (TRACE_ON(relay))
168 DPRINTF( "%08lx:Call window proc %p (hwnd=%08x,msg=%s,wp=%08x,lp=%08lx)\n",
169 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam );
170 /* To avoid any deadlocks, all the locks on the windows structures
171 must be suspended before the control is passed to the application */
172 iWndsLocks = WIN_SuspendWndsLock();
173 retvalue = WINPROC_wrapper( proc, hwnd, msg, wParam, lParam );
174 WIN_RestoreWndsLock(iWndsLocks);
176 if (TRACE_ON(relay))
177 DPRINTF( "%08lx:Ret window proc %p (hwnd=%08x,msg=%s,wp=%08x,lp=%08lx) retval=%08lx\n",
178 GetCurrentThreadId(), proc, hwnd, SPY_GetMsgName(msg, hwnd), wParam, lParam, retvalue );
179 return retvalue;
182 /***********************************************************************
183 * WINPROC_CallWndProc16
185 * Call a 16-bit window procedure
187 static LRESULT WINAPI WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd,
188 UINT16 msg, WPARAM16 wParam,
189 LPARAM lParam )
191 CONTEXT86 context;
192 LRESULT ret;
193 WORD *args;
194 DWORD offset = 0;
195 TEB *teb = NtCurrentTeb();
196 int iWndsLocks;
198 /* Window procedures want ax = hInstance, ds = es = ss */
200 memset(&context, '\0', sizeof(context));
201 context.SegDs = context.SegEs = SELECTOROF(teb->cur_stack);
202 if (!(context.Eax = GetWindowWord16( hwnd, GWL_HINSTANCE ))) context.Eax = context.SegDs;
203 context.SegCs = SELECTOROF(proc);
204 context.Eip = OFFSETOF(proc);
205 context.Ebp = OFFSETOF(teb->cur_stack)
206 + (WORD)&((STACK16FRAME*)0)->bp;
208 if (lParam)
210 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
211 work if structures passed in lParam are placed in the stack/data
212 segment. Programmers easily make the mistake of converting lParam
213 to a near rather than a far pointer, since Windows apparently
214 allows this. We copy the structures to the 16 bit stack; this is
215 ugly but makes these programs work. */
216 switch (msg)
218 case WM_CREATE:
219 case WM_NCCREATE:
220 offset = sizeof(CREATESTRUCT16); break;
221 case WM_DRAWITEM:
222 offset = sizeof(DRAWITEMSTRUCT16); break;
223 case WM_COMPAREITEM:
224 offset = sizeof(COMPAREITEMSTRUCT16); break;
226 if (offset)
228 void *s = MapSL(lParam);
229 lParam = stack16_push( offset );
230 memcpy( MapSL(lParam), s, offset );
234 iWndsLocks = WIN_SuspendWndsLock();
236 args = (WORD *)THREAD_STACK16(teb) - 5;
237 args[0] = LOWORD(lParam);
238 args[1] = HIWORD(lParam);
239 args[2] = wParam;
240 args[3] = msg;
241 args[4] = hwnd;
243 wine_call_to_16_regs_short( &context, 5 * sizeof(WORD) );
244 ret = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
245 if (offset) stack16_pop( offset );
247 WIN_RestoreWndsLock(iWndsLocks);
249 return ret;
253 /**********************************************************************
254 * WINPROC_GetPtr
256 * Return a pointer to the win proc.
258 static WINDOWPROC *WINPROC_GetPtr( WNDPROC16 handle )
260 BYTE *ptr;
261 WINDOWPROC *proc;
263 /* ptr cannot be < 64K */
264 if (!HIWORD(handle)) return NULL;
266 /* Check for a linear pointer */
268 ptr = (BYTE *)handle;
269 /* First check if it is the jmp address */
270 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->jmp);
271 if (HeapValidate( WinProcHeap, 0, proc ) && (proc->magic == WINPROC_MAGIC))
272 return proc;
273 /* Now it must be the thunk address */
274 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
275 if (HeapValidate( WinProcHeap, 0, proc ) && (proc->magic == WINPROC_MAGIC))
276 return proc;
278 /* Check for a segmented pointer */
280 if (!IsBadReadPtr16( (SEGPTR)handle, sizeof(proc->thunk) ))
282 ptr = MapSL( (SEGPTR)handle );
283 /* It must be the thunk address */
284 proc = (WINDOWPROC *)(ptr - (int)&((WINDOWPROC *)0)->thunk);
285 if (HeapValidate( WinProcHeap, 0, proc ) && (proc->magic == WINPROC_MAGIC))
286 return proc;
289 return NULL;
293 /**********************************************************************
294 * WINPROC_AllocWinProc
296 * Allocate a new window procedure.
298 static WINDOWPROC *WINPROC_AllocWinProc( WNDPROC16 func, WINDOWPROCTYPE type,
299 WINDOWPROCUSER user )
301 WINDOWPROC *proc, *oldproc;
303 /* Allocate a window procedure */
305 if (!(proc = HeapAlloc( WinProcHeap, 0, sizeof(WINDOWPROC) ))) return 0;
307 /* Check if the function is already a win proc */
309 if ((oldproc = WINPROC_GetPtr( func )))
311 *proc = *oldproc;
313 else
315 switch(type)
317 case WIN_PROC_16:
318 proc->thunk.t_from32.popl_eax = 0x58; /* popl %eax */
319 proc->thunk.t_from32.pushl_func = 0x68; /* pushl $proc */
320 proc->thunk.t_from32.proc = func;
321 proc->thunk.t_from32.pushl_eax = 0x50; /* pushl %eax */
322 proc->thunk.t_from32.jmp = 0xe9; /* jmp relay*/
323 proc->thunk.t_from32.relay = /* relative jump */
324 (void(*)())((DWORD)WINPROC_CallProc32ATo16 -
325 (DWORD)(&proc->thunk.t_from32.relay + 1));
326 break;
327 case WIN_PROC_32A:
328 case WIN_PROC_32W:
329 proc->thunk.t_from16.pushw_bp = 0x5566; /* pushw %bp */
330 proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */
331 proc->thunk.t_from16.proc = (WNDPROC)func;
332 proc->thunk.t_from16.pushw_ax = 0x5066; /* pushw %ax */
333 proc->thunk.t_from16.pushl_relay = 0x68; /* pushl $relay */
334 proc->thunk.t_from16.relay = (type == WIN_PROC_32A) ?
335 (void(*)())WINPROC_Thunk16To32A :
336 (void(*)())WINPROC_Thunk16To32W;
337 proc->thunk.t_from16.lcall = 0x9a; /* lcall cs:glue */
338 proc->thunk.t_from16.glue = (void*)__wine_call_from_16_long;
339 proc->thunk.t_from16.cs = __get_cs();
340 proc->thunk.t_from16.lret = 0xca66;
341 proc->thunk.t_from16.nArgs = 10;
342 proc->jmp.jmp = 0xe9;
343 /* Fixup relative jump */
344 proc->jmp.proc = (WNDPROC)((DWORD)func -
345 (DWORD)(&proc->jmp.proc + 1));
346 break;
347 default:
348 /* Should not happen */
349 break;
351 proc->magic = WINPROC_MAGIC;
352 proc->type = type;
353 proc->user = user;
355 proc->next = NULL;
356 TRACE_(win)("(%08x,%d): returning %08x\n",
357 (UINT)func, type, (UINT)proc );
358 return proc;
362 /**********************************************************************
363 * WINPROC_GetProc
365 * Get a window procedure pointer that can be passed to the Windows program.
367 WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type )
369 if (!proc) return NULL;
370 if (type == WIN_PROC_16) /* We want a 16:16 address */
372 if (((WINDOWPROC *)proc)->type == WIN_PROC_16)
373 return ((WINDOWPROC *)proc)->thunk.t_from32.proc;
374 else
375 return (WNDPROC16)HEAP_GetSegptr( WinProcHeap, 0,
376 &((WINDOWPROC *)proc)->thunk );
378 else /* We want a 32-bit address */
380 if (((WINDOWPROC *)proc)->type == WIN_PROC_16)
381 return (WNDPROC16)&((WINDOWPROC *)proc)->thunk;
382 else if (type != ((WINDOWPROC *)proc)->type)
383 /* Have to return the jmp address if types don't match */
384 return (WNDPROC16)&((WINDOWPROC *)proc)->jmp;
385 else
386 /* Some Win16 programs want to get back the proc they set */
387 return (WNDPROC16)((WINDOWPROC *)proc)->thunk.t_from16.proc;
392 /**********************************************************************
393 * WINPROC_SetProc
395 * Set the window procedure for a window or class. There are
396 * three tree classes of winproc callbacks:
398 * 1) class -> wp - not subclassed
399 * class -> wp -> wp -> wp -> wp - SetClassLong()
400 * / /
401 * 2) window -' / - not subclassed
402 * window -> wp -> wp ' - SetWindowLong()
404 * 3) timer -> wp - SetTimer()
406 * Initially, winproc of the window points to the current winproc
407 * thunk of its class. Subclassing prepends a new thunk to the
408 * window winproc chain at the head of the list. Thus, window thunk
409 * list includes class thunks and the latter are preserved when the
410 * window is destroyed.
413 BOOL WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func,
414 WINDOWPROCTYPE type, WINDOWPROCUSER user )
416 BOOL bRecycle = FALSE;
417 WINDOWPROC *proc, **ppPrev;
419 /* Check if function is already in the list */
421 ppPrev = (WINDOWPROC **)pFirst;
422 proc = WINPROC_GetPtr( func );
423 while (*ppPrev)
425 if (proc)
427 if (*ppPrev == proc)
429 if ((*ppPrev)->user != user)
431 /* terminal thunk is being restored */
433 WINPROC_FreeProc( *pFirst, (*ppPrev)->user );
434 *(WINDOWPROC **)pFirst = *ppPrev;
435 return TRUE;
437 bRecycle = TRUE;
438 break;
441 else
443 if (((*ppPrev)->type == type) &&
444 (func == WINPROC_THUNKPROC(*ppPrev)))
446 bRecycle = TRUE;
447 break;
451 /* WPF_CLASS thunk terminates window thunk list */
452 if ((*ppPrev)->user != user) break;
453 ppPrev = &(*ppPrev)->next;
456 if (bRecycle)
458 /* Extract this thunk from the list */
459 proc = *ppPrev;
460 *ppPrev = proc->next;
462 else /* Allocate a new one */
464 if (proc) /* Was already a win proc */
466 type = proc->type;
467 func = WINPROC_THUNKPROC(proc);
469 proc = WINPROC_AllocWinProc( func, type, user );
470 if (!proc) return FALSE;
473 /* Add the win proc at the head of the list */
475 TRACE_(win)("(%08x,%08x,%d): res=%08x\n",
476 (UINT)*pFirst, (UINT)func, type, (UINT)proc );
477 proc->next = *(WINDOWPROC **)pFirst;
478 *(WINDOWPROC **)pFirst = proc;
479 return TRUE;
483 /**********************************************************************
484 * WINPROC_FreeProc
486 * Free a list of win procs.
488 void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user )
490 while (proc)
492 WINDOWPROC *next = ((WINDOWPROC *)proc)->next;
493 if (((WINDOWPROC *)proc)->user != user) break;
494 TRACE_(win)("freeing %08x\n", (UINT)proc);
495 HeapFree( WinProcHeap, 0, proc );
496 proc = next;
501 /**********************************************************************
502 * WINPROC_GetProcType
504 * Return the window procedure type.
506 WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc )
508 if (!proc ||
509 (((WINDOWPROC *)proc)->magic != WINPROC_MAGIC))
510 return WIN_PROC_INVALID;
511 return ((WINDOWPROC *)proc)->type;
513 /**********************************************************************
514 * WINPROC_TestCBForStr
516 * Return TRUE if the lparam is a string
518 inline static BOOL WINPROC_TestCBForStr( HWND hwnd )
520 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
521 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
523 /**********************************************************************
524 * WINPROC_TestLBForStr
526 * Return TRUE if the lparam is a string
528 inline static BOOL WINPROC_TestLBForStr( HWND hwnd )
530 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
531 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
534 /**********************************************************************
535 * WINPROC_MapMsg32ATo32W
537 * Map a message from Ansi to Unicode.
538 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
540 * FIXME:
541 * WM_GETTEXT/WM_SETTEXT and static control with SS_ICON style:
542 * the first four bytes are the handle of the icon
543 * when the WM_SETTEXT message has been used to set the icon
545 INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
547 switch(msg)
549 case WM_GETTEXT:
550 case WM_ASKCBFORMATNAME:
552 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
553 *pwparam * sizeof(WCHAR) + sizeof(LPARAM) );
554 if (!ptr) return -1;
555 *ptr++ = *plparam; /* Store previous lParam */
556 *plparam = (LPARAM)ptr;
558 return 1;
559 /* lparam is string (0-terminated) */
560 case WM_SETTEXT:
561 case WM_WININICHANGE:
562 case WM_DEVMODECHANGE:
563 case CB_DIR:
564 case CB_FINDSTRING:
565 case CB_FINDSTRINGEXACT:
566 case CB_SELECTSTRING:
567 case LB_DIR:
568 case LB_ADDFILE:
569 case LB_FINDSTRING:
570 case LB_FINDSTRINGEXACT:
571 case LB_SELECTSTRING:
572 case EM_REPLACESEL:
573 if(!*plparam) return 0;
574 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
575 return (*plparam ? 1 : -1);
576 case WM_GETTEXTLENGTH:
577 case CB_GETLBTEXTLEN:
578 case LB_GETTEXTLEN:
579 return 1; /* need to map result */
580 case WM_NCCREATE:
581 case WM_CREATE:
583 struct s
584 { CREATESTRUCTW cs; /* new structure */
585 LPCWSTR lpszName; /* allocated Name */
586 LPCWSTR lpszClass; /* allocated Class */
589 struct s *xs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct s));
590 if (!xs) return -1;
591 xs->cs = *(CREATESTRUCTW *)*plparam;
592 if (HIWORD(xs->cs.lpszName))
593 xs->lpszName = xs->cs.lpszName = HEAP_strdupAtoW( GetProcessHeap(), 0,
594 (LPCSTR)xs->cs.lpszName );
595 if (HIWORD(xs->cs.lpszClass))
596 xs->lpszClass = xs->cs.lpszClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
597 (LPCSTR)xs->cs.lpszClass );
598 *plparam = (LPARAM)xs;
600 return 1;
601 case WM_MDICREATE:
603 MDICREATESTRUCTW *cs =
604 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
605 if (!cs) return -1;
606 *cs = *(MDICREATESTRUCTW *)*plparam;
607 if (HIWORD(cs->szClass))
608 cs->szClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
609 (LPCSTR)cs->szClass );
610 if (HIWORD(cs->szTitle))
611 cs->szTitle = HEAP_strdupAtoW( GetProcessHeap(), 0,
612 (LPCSTR)cs->szTitle );
613 *plparam = (LPARAM)cs;
615 return 1;
617 /* Listbox */
618 case LB_ADDSTRING:
619 case LB_INSERTSTRING:
620 if(!*plparam) return 0;
621 if ( WINPROC_TestLBForStr( hwnd ))
622 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
623 return (*plparam ? 1 : -1);
625 case LB_GETTEXT: /* fixme: fixed sized buffer */
626 { if ( WINPROC_TestLBForStr( hwnd ))
627 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
628 if (!ptr) return -1;
629 *ptr++ = *plparam; /* Store previous lParam */
630 *plparam = (LPARAM)ptr;
633 return 1;
635 /* Combobox */
636 case CB_ADDSTRING:
637 case CB_INSERTSTRING:
638 if(!*plparam) return 0;
639 if ( WINPROC_TestCBForStr( hwnd ))
640 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
641 return (*plparam ? 1 : -1);
643 case CB_GETLBTEXT: /* fixme: fixed sized buffer */
644 { if ( WINPROC_TestCBForStr( hwnd ))
645 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
646 if (!ptr) return -1;
647 *ptr++ = *plparam; /* Store previous lParam */
648 *plparam = (LPARAM)ptr;
651 return 1;
653 /* Multiline edit */
654 case EM_GETLINE:
655 { WORD len = (WORD)*plparam;
656 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(WCHAR) );
657 if (!ptr) return -1;
658 *ptr++ = *plparam; /* Store previous lParam */
659 *((WORD *) ptr) = len; /* Store the length */
660 *plparam = (LPARAM)ptr;
662 return 1;
664 case WM_CHARTOITEM:
665 case WM_MENUCHAR:
666 case WM_CHAR:
667 case WM_DEADCHAR:
668 case WM_SYSCHAR:
669 case WM_SYSDEADCHAR:
670 case EM_SETPASSWORDCHAR:
672 char ch = LOWORD(*pwparam);
673 WCHAR wch;
674 MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
675 *pwparam = MAKEWPARAM( wch, HIWORD(*pwparam) );
677 return 0;
679 case WM_PAINTCLIPBOARD:
680 case WM_SIZECLIPBOARD:
681 FIXME_(msg)("message %s (0x%x) needs translation, please report\n", SPY_GetMsgName(msg, hwnd), msg );
682 return -1;
683 default: /* No translation needed */
684 return 0;
689 /**********************************************************************
690 * WINPROC_UnmapMsg32ATo32W
692 * Unmap a message that was mapped from Ansi to Unicode.
694 LRESULT WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
695 LRESULT result )
697 switch(msg)
699 case WM_GETTEXT:
700 case WM_ASKCBFORMATNAME:
702 LPARAM *ptr = (LPARAM *)lParam - 1;
703 if (wParam > 0 && !WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
704 (LPSTR)*ptr, wParam, NULL, NULL ))
705 ((LPSTR)*ptr)[wParam-1] = 0;
706 HeapFree( GetProcessHeap(), 0, ptr );
708 break;
709 case WM_GETTEXTLENGTH:
710 case CB_GETLBTEXTLEN:
711 case LB_GETTEXTLEN:
712 /* there may be one DBCS char for each Unicode char */
713 return result * 2;
714 case WM_NCCREATE:
715 case WM_CREATE:
717 struct s
718 { CREATESTRUCTW cs; /* new structure */
719 LPWSTR lpszName; /* allocated Name */
720 LPWSTR lpszClass; /* allocated Class */
722 struct s *xs = (struct s *)lParam;
723 if (xs->lpszName) HeapFree( GetProcessHeap(), 0, xs->lpszName );
724 if (xs->lpszClass) HeapFree( GetProcessHeap(), 0, xs->lpszClass );
725 HeapFree( GetProcessHeap(), 0, xs );
727 break;
729 case WM_MDICREATE:
731 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
732 if (HIWORD(cs->szTitle))
733 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
734 if (HIWORD(cs->szClass))
735 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
736 HeapFree( GetProcessHeap(), 0, cs );
738 break;
740 case WM_SETTEXT:
741 case WM_WININICHANGE:
742 case WM_DEVMODECHANGE:
743 case CB_DIR:
744 case CB_FINDSTRING:
745 case CB_FINDSTRINGEXACT:
746 case CB_SELECTSTRING:
747 case LB_DIR:
748 case LB_ADDFILE:
749 case LB_FINDSTRING:
750 case LB_FINDSTRINGEXACT:
751 case LB_SELECTSTRING:
752 case EM_REPLACESEL:
753 HeapFree( GetProcessHeap(), 0, (void *)lParam );
754 break;
756 /* Listbox */
757 case LB_ADDSTRING:
758 case LB_INSERTSTRING:
759 if ( WINPROC_TestLBForStr( hwnd ))
760 HeapFree( GetProcessHeap(), 0, (void *)lParam );
761 break;
763 case LB_GETTEXT:
764 { if ( WINPROC_TestLBForStr( hwnd ))
765 { LPARAM *ptr = (LPARAM *)lParam - 1;
766 WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, (LPSTR)*ptr, 0x7fffffff, NULL, NULL );
767 HeapFree( GetProcessHeap(), 0, ptr );
770 break;
772 /* Combobox */
773 case CB_ADDSTRING:
774 case CB_INSERTSTRING:
775 if ( WINPROC_TestCBForStr( hwnd ))
776 HeapFree( GetProcessHeap(), 0, (void *)lParam );
777 break;
779 case CB_GETLBTEXT:
780 { if ( WINPROC_TestCBForStr( hwnd ))
781 { LPARAM *ptr = (LPARAM *)lParam - 1;
782 WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, (LPSTR)*ptr, 0x7fffffff, NULL, NULL );
783 HeapFree( GetProcessHeap(), 0, ptr );
786 break;
788 /* Multiline edit */
789 case EM_GETLINE:
790 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lParam */
791 WORD len = *(WORD *) lParam;
792 if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1,
793 (LPSTR)*ptr, len, NULL, NULL ))
794 ((LPSTR)*ptr)[len-1] = 0;
795 HeapFree( GetProcessHeap(), 0, ptr );
797 break;
799 return result;
803 /**********************************************************************
804 * WINPROC_MapMsg32WTo32A
806 * Map a message from Unicode to Ansi.
807 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
809 INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM *plparam )
811 switch(msg)
813 case WM_GETTEXT:
814 case WM_ASKCBFORMATNAME:
816 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
817 *pwparam + sizeof(LPARAM) );
818 if (!ptr) return -1;
819 *ptr++ = *plparam; /* Store previous lParam */
820 *plparam = (LPARAM)ptr;
822 return 1;
824 case WM_SETTEXT:
825 case WM_WININICHANGE:
826 case WM_DEVMODECHANGE:
827 case CB_DIR:
828 case CB_FINDSTRING:
829 case CB_FINDSTRINGEXACT:
830 case CB_SELECTSTRING:
831 case LB_DIR:
832 case LB_ADDFILE:
833 case LB_FINDSTRING:
834 case LB_FINDSTRINGEXACT:
835 case LB_SELECTSTRING:
836 case EM_REPLACESEL:
837 if(!*plparam) return 0;
838 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
839 return (*plparam ? 1 : -1);
841 case WM_NCCREATE:
842 case WM_CREATE:
844 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
845 sizeof(*cs) );
846 if (!cs) return -1;
847 *cs = *(CREATESTRUCTA *)*plparam;
848 if (HIWORD(cs->lpszName))
849 cs->lpszName = HEAP_strdupWtoA( GetProcessHeap(), 0,
850 (LPCWSTR)cs->lpszName );
851 if (HIWORD(cs->lpszClass))
852 cs->lpszClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
853 (LPCWSTR)cs->lpszClass);
854 *plparam = (LPARAM)cs;
856 return 1;
857 case WM_MDICREATE:
859 MDICREATESTRUCTA *cs =
860 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
861 if (!cs) return -1;
862 *cs = *(MDICREATESTRUCTA *)*plparam;
863 if (HIWORD(cs->szTitle))
864 cs->szTitle = HEAP_strdupWtoA( GetProcessHeap(), 0,
865 (LPCWSTR)cs->szTitle );
866 if (HIWORD(cs->szClass))
867 cs->szClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
868 (LPCWSTR)cs->szClass );
869 *plparam = (LPARAM)cs;
871 return 1;
873 /* Listbox */
874 case LB_ADDSTRING:
875 case LB_INSERTSTRING:
876 if(!*plparam) return 0;
877 if ( WINPROC_TestLBForStr( hwnd ))
878 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
879 return (*plparam ? 1 : -1);
881 case LB_GETTEXT: /* fixme: fixed sized buffer */
882 { if ( WINPROC_TestLBForStr( hwnd ))
883 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
884 if (!ptr) return -1;
885 *ptr++ = *plparam; /* Store previous lParam */
886 *plparam = (LPARAM)ptr;
889 return 1;
891 /* Combobox */
892 case CB_ADDSTRING:
893 case CB_INSERTSTRING:
894 if(!*plparam) return 0;
895 if ( WINPROC_TestCBForStr( hwnd ))
896 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
897 return (*plparam ? 1 : -1);
899 case CB_GETLBTEXT: /* fixme: fixed sized buffer */
900 { if ( WINPROC_TestCBForStr( hwnd ))
901 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
902 if (!ptr) return -1;
903 *ptr++ = *plparam; /* Store previous lParam */
904 *plparam = (LPARAM)ptr;
907 return 1;
909 /* Multiline edit */
910 case EM_GETLINE:
911 { WORD len = (WORD)*plparam;
912 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
913 if (!ptr) return -1;
914 *ptr++ = *plparam; /* Store previous lParam */
915 *((WORD *) ptr) = len; /* Store the length */
916 *plparam = (LPARAM)ptr;
918 return 1;
920 case WM_CHARTOITEM:
921 case WM_MENUCHAR:
922 case WM_CHAR:
923 case WM_DEADCHAR:
924 case WM_SYSCHAR:
925 case WM_SYSDEADCHAR:
926 case EM_SETPASSWORDCHAR:
928 WCHAR wch = LOWORD(*pwparam);
929 char ch;
930 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL );
931 *pwparam = MAKEWPARAM( ch, HIWORD(*pwparam) );
933 return 0;
935 case WM_PAINTCLIPBOARD:
936 case WM_SIZECLIPBOARD:
937 FIXME_(msg)("message %s (%04x) needs translation, please report\n",SPY_GetMsgName(msg, hwnd),msg );
938 return -1;
939 default: /* No translation needed */
940 return 0;
945 /**********************************************************************
946 * WINPROC_UnmapMsg32WTo32A
948 * Unmap a message that was mapped from Unicode to Ansi.
950 void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
952 switch(msg)
954 case WM_GETTEXT:
955 case WM_ASKCBFORMATNAME:
957 LPARAM *ptr = (LPARAM *)lParam - 1;
958 if (wParam)
960 if (!MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, wParam ))
961 ((LPWSTR)*ptr)[wParam-1] = 0;
963 HeapFree( GetProcessHeap(), 0, ptr );
965 break;
967 case WM_SETTEXT:
968 case WM_WININICHANGE:
969 case WM_DEVMODECHANGE:
970 case CB_DIR:
971 case CB_FINDSTRING:
972 case CB_FINDSTRINGEXACT:
973 case CB_SELECTSTRING:
974 case LB_DIR:
975 case LB_ADDFILE:
976 case LB_FINDSTRING:
977 case LB_FINDSTRINGEXACT:
978 case LB_SELECTSTRING:
979 case EM_REPLACESEL:
980 HeapFree( GetProcessHeap(), 0, (void *)lParam );
981 break;
983 case WM_NCCREATE:
984 case WM_CREATE:
986 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
987 if (HIWORD(cs->lpszName))
988 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
989 if (HIWORD(cs->lpszClass))
990 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
991 HeapFree( GetProcessHeap(), 0, cs );
993 break;
995 case WM_MDICREATE:
997 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
998 if (HIWORD(cs->szTitle))
999 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1000 if (HIWORD(cs->szClass))
1001 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1002 HeapFree( GetProcessHeap(), 0, cs );
1004 break;
1006 /* Listbox */
1007 case LB_ADDSTRING:
1008 case LB_INSERTSTRING:
1009 if ( WINPROC_TestLBForStr( hwnd ))
1010 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1011 break;
1013 case LB_GETTEXT:
1014 if ( WINPROC_TestLBForStr( hwnd ))
1016 LPARAM *ptr = (LPARAM *)lParam - 1;
1017 MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff );
1018 HeapFree( GetProcessHeap(), 0, ptr );
1020 break;
1022 /* Combobox */
1023 case CB_ADDSTRING:
1024 case CB_INSERTSTRING:
1025 if ( WINPROC_TestCBForStr( hwnd ))
1026 HeapFree( GetProcessHeap(), 0, (void *)lParam );
1027 break;
1029 case CB_GETLBTEXT:
1030 if ( WINPROC_TestCBForStr( hwnd ))
1032 LPARAM *ptr = (LPARAM *)lParam - 1;
1033 MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, 0x7fffffff );
1034 HeapFree( GetProcessHeap(), 0, ptr );
1036 break;
1038 /* Multiline edit */
1039 case EM_GETLINE:
1040 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
1041 WORD len = *(WORD *)ptr;
1042 if (len)
1044 if (!MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, (LPWSTR)*ptr, len ))
1045 ((LPWSTR)*ptr)[len-1] = 0;
1047 HeapFree( GetProcessHeap(), 0, ptr );
1049 break;
1054 /**********************************************************************
1055 * WINPROC_MapMsg16To32A
1057 * Map a message from 16- to 32-bit Ansi.
1058 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1060 INT WINPROC_MapMsg16To32A( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1061 WPARAM *pwparam32, LPARAM *plparam )
1063 *pmsg32 = (UINT)msg16;
1064 *pwparam32 = (WPARAM)wParam16;
1065 switch(msg16)
1067 case WM_ACTIVATE:
1068 case WM_CHARTOITEM:
1069 case WM_COMMAND:
1070 case WM_VKEYTOITEM:
1071 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1072 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1073 return 0;
1074 case WM_HSCROLL:
1075 case WM_VSCROLL:
1076 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1077 *plparam = (LPARAM)WIN_Handle32( HIWORD(*plparam) );
1078 return 0;
1079 case WM_CTLCOLOR:
1080 if ( HIWORD(*plparam) > CTLCOLOR_STATIC ) return -1;
1081 *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam);
1082 *pwparam32 = (WPARAM)(HDC)wParam16;
1083 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1084 return 0;
1085 case WM_COMPAREITEM:
1087 COMPAREITEMSTRUCT16* cis16 = MapSL(*plparam);
1088 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)
1089 HeapAlloc(GetProcessHeap(), 0, sizeof(*cis));
1090 if (!cis) return -1;
1091 cis->CtlType = cis16->CtlType;
1092 cis->CtlID = cis16->CtlID;
1093 cis->hwndItem = WIN_Handle32( cis16->hwndItem );
1094 cis->itemID1 = cis16->itemID1;
1095 cis->itemData1 = cis16->itemData1;
1096 cis->itemID2 = cis16->itemID2;
1097 cis->itemData2 = cis16->itemData2;
1098 cis->dwLocaleId = 0; /* FIXME */
1099 *plparam = (LPARAM)cis;
1101 return 1;
1102 case WM_DELETEITEM:
1104 DELETEITEMSTRUCT16* dis16 = MapSL(*plparam);
1105 DELETEITEMSTRUCT *dis = (DELETEITEMSTRUCT *)
1106 HeapAlloc(GetProcessHeap(), 0, sizeof(*dis));
1107 if (!dis) return -1;
1108 dis->CtlType = dis16->CtlType;
1109 dis->CtlID = dis16->CtlID;
1110 dis->hwndItem = WIN_Handle32( dis16->hwndItem );
1111 dis->itemData = dis16->itemData;
1112 *plparam = (LPARAM)dis;
1114 return 1;
1115 case WM_MEASUREITEM:
1117 MEASUREITEMSTRUCT16* mis16 = MapSL(*plparam);
1118 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)
1119 HeapAlloc(GetProcessHeap(), 0,
1120 sizeof(*mis) + sizeof(LPARAM));
1121 if (!mis) return -1;
1122 mis->CtlType = mis16->CtlType;
1123 mis->CtlID = mis16->CtlID;
1124 mis->itemID = mis16->itemID;
1125 mis->itemWidth = mis16->itemWidth;
1126 mis->itemHeight = mis16->itemHeight;
1127 mis->itemData = mis16->itemData;
1128 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1129 *plparam = (LPARAM)mis;
1131 return 1;
1132 case WM_DRAWITEM:
1134 DRAWITEMSTRUCT16* dis16 = MapSL(*plparam);
1135 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT*)HeapAlloc(GetProcessHeap(), 0,
1136 sizeof(*dis));
1137 if (!dis) return -1;
1138 dis->CtlType = dis16->CtlType;
1139 dis->CtlID = dis16->CtlID;
1140 dis->itemID = dis16->itemID;
1141 dis->itemAction = dis16->itemAction;
1142 dis->itemState = dis16->itemState;
1143 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND)(HMENU)dis16->hwndItem
1144 : WIN_Handle32( dis16->hwndItem );
1145 dis->hDC = dis16->hDC;
1146 dis->itemData = dis16->itemData;
1147 CONV_RECT16TO32( &dis16->rcItem, &dis->rcItem );
1148 *plparam = (LPARAM)dis;
1150 return 1;
1151 case WM_GETMINMAXINFO:
1153 MINMAXINFO *mmi = (MINMAXINFO *)HeapAlloc( GetProcessHeap(), 0,
1154 sizeof(*mmi) + sizeof(LPARAM));
1155 if (!mmi) return -1;
1156 STRUCT32_MINMAXINFO16to32( MapSL(*plparam), mmi );
1157 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1158 *plparam = (LPARAM)mmi;
1160 return 1;
1161 case WM_GETTEXT:
1162 case WM_SETTEXT:
1163 case WM_WININICHANGE:
1164 case WM_DEVMODECHANGE:
1165 case WM_ASKCBFORMATNAME:
1166 *plparam = (LPARAM)MapSL(*plparam);
1167 return 0;
1168 case WM_MDICREATE:
1170 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1171 MDICREATESTRUCTA *cs = HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) + sizeof(LPARAM) );
1172 if (!cs) return -1;
1173 STRUCT32_MDICREATESTRUCT16to32A( cs16, cs );
1174 cs->szTitle = MapSL(cs16->szTitle);
1175 cs->szClass = MapSL(cs16->szClass);
1176 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1177 *plparam = (LPARAM)cs;
1179 return 1;
1180 case WM_MDIGETACTIVE:
1181 *plparam = (LPARAM)HeapAlloc( GetProcessHeap(), 0, sizeof(BOOL) );
1182 *(BOOL*)(*plparam) = 0;
1183 return 1;
1184 case WM_MDISETMENU:
1185 if(wParam16==TRUE)
1186 *pmsg32=WM_MDIREFRESHMENU;
1187 *pwparam32 = (WPARAM)(HMENU)LOWORD(*plparam);
1188 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1189 return 0;
1190 case WM_MENUCHAR:
1191 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1192 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1193 return 0;
1194 case WM_MENUSELECT:
1195 if((LOWORD(*plparam) & MF_POPUP) && (LOWORD(*plparam) != 0xFFFF))
1197 HMENU hmenu=(HMENU)HIWORD(*plparam);
1198 UINT Pos=MENU_FindSubMenu( &hmenu, wParam16);
1199 if(Pos==0xFFFF) Pos=0; /* NO_SELECTED_ITEM */
1200 *pwparam32 = MAKEWPARAM( Pos, LOWORD(*plparam) );
1202 else *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1203 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1204 return 0;
1205 case WM_MDIACTIVATE:
1206 if( *plparam )
1208 *pwparam32 = (WPARAM)WIN_Handle32( HIWORD(*plparam) );
1209 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1211 else /* message sent to MDI client */
1212 *pwparam32 = wParam16;
1213 return 0;
1214 case WM_NCCALCSIZE:
1216 NCCALCSIZE_PARAMS16 *nc16;
1217 NCCALCSIZE_PARAMS *nc;
1219 nc = (NCCALCSIZE_PARAMS *)HeapAlloc( GetProcessHeap(), 0,
1220 sizeof(*nc) + sizeof(LPARAM) );
1221 if (!nc) return -1;
1222 nc16 = MapSL(*plparam);
1223 CONV_RECT16TO32( &nc16->rgrc[0], &nc->rgrc[0] );
1224 if (wParam16)
1226 nc->lppos = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1227 sizeof(*nc->lppos) );
1228 CONV_RECT16TO32( &nc16->rgrc[1], &nc->rgrc[1] );
1229 CONV_RECT16TO32( &nc16->rgrc[2], &nc->rgrc[2] );
1230 if (nc->lppos) STRUCT32_WINDOWPOS16to32( MapSL(nc16->lppos), nc->lppos );
1232 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1233 *plparam = (LPARAM)nc;
1235 return 1;
1236 case WM_NCCREATE:
1237 case WM_CREATE:
1239 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1240 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1241 sizeof(*cs) + sizeof(LPARAM) );
1242 if (!cs) return -1;
1243 STRUCT32_CREATESTRUCT16to32A( cs16, cs );
1244 cs->lpszName = MapSL(cs16->lpszName);
1245 cs->lpszClass = MapSL(cs16->lpszClass);
1246 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1247 *plparam = (LPARAM)cs;
1249 return 1;
1250 case WM_PARENTNOTIFY:
1251 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1253 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1254 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1256 return 0;
1257 case WM_WINDOWPOSCHANGING:
1258 case WM_WINDOWPOSCHANGED:
1260 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1261 sizeof(*wp) + sizeof(LPARAM) );
1262 if (!wp) return -1;
1263 STRUCT32_WINDOWPOS16to32( MapSL(*plparam), wp );
1264 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1265 *plparam = (LPARAM)wp;
1267 return 1;
1268 case WM_GETDLGCODE:
1269 if (*plparam)
1271 LPMSG16 msg16 = MapSL(*plparam);
1272 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1274 if (!msg32) return -1;
1275 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1276 msg32->lParam = msg16->lParam;
1277 msg32->time = msg16->time;
1278 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1279 /* this is right, right? */
1280 if (WINPROC_MapMsg16To32A( msg32->hwnd, msg16->message,msg16->wParam,
1281 &msg32->message,&msg32->wParam,
1282 &msg32->lParam)<0) {
1283 HeapFree( GetProcessHeap(), 0, msg32 );
1284 return -1;
1286 *plparam = (LPARAM)msg32;
1287 return 1;
1289 else return 0;
1290 case WM_NOTIFY:
1291 *plparam = (LPARAM)MapSL(*plparam);
1292 return 0;
1293 case WM_ACTIVATEAPP:
1294 if (*plparam)
1295 { /* We need this when SetActiveWindow sends a Sendmessage16() to
1296 a 32bit window. Might be superflous with 32bit interprocess
1297 message queues.
1299 HTASK16 htask = (HTASK16) *plparam;
1300 DWORD idThread = (DWORD)TASK_GetPtr(htask)->teb->tid;
1301 *plparam = (LPARAM) idThread;
1303 return 0;
1304 case WM_NEXTMENU:
1306 MDINEXTMENU *next = HeapAlloc( GetProcessHeap(), 0, sizeof(*next) );
1307 if (!next) return -1;
1308 next->hmenuIn = *plparam;
1309 next->hmenuNext = 0;
1310 next->hwndNext = 0;
1311 *plparam = (LPARAM)next;
1312 return 1;
1314 case WM_PAINTCLIPBOARD:
1315 case WM_SIZECLIPBOARD:
1316 FIXME_(msg)("message %04x needs translation\n",msg16 );
1317 return -1;
1319 default: /* No translation needed */
1320 return 0;
1325 /**********************************************************************
1326 * WINPROC_UnmapMsg16To32A
1328 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1330 LRESULT WINPROC_UnmapMsg16To32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1331 LRESULT result )
1333 switch(msg)
1335 case WM_COMPAREITEM:
1336 case WM_DELETEITEM:
1337 case WM_DRAWITEM:
1338 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1339 break;
1340 case WM_MEASUREITEM:
1342 MEASUREITEMSTRUCT16 *mis16;
1343 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1344 lParam = *(LPARAM *)(mis + 1);
1345 mis16 = MapSL(lParam);
1346 mis16->itemWidth = (UINT16)mis->itemWidth;
1347 mis16->itemHeight = (UINT16)mis->itemHeight;
1348 HeapFree( GetProcessHeap(), 0, mis );
1350 break;
1351 case WM_GETMINMAXINFO:
1353 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1354 lParam = *(LPARAM *)(mmi + 1);
1355 STRUCT32_MINMAXINFO32to16( mmi, MapSL(lParam));
1356 HeapFree( GetProcessHeap(), 0, mmi );
1358 break;
1359 case WM_MDICREATE:
1361 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1362 lParam = *(LPARAM *)(cs + 1);
1363 STRUCT32_MDICREATESTRUCT32Ato16( cs, MapSL(lParam) );
1364 HeapFree( GetProcessHeap(), 0, cs );
1366 break;
1367 case WM_MDIGETACTIVE:
1368 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1369 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1370 break;
1371 case WM_NCCALCSIZE:
1373 NCCALCSIZE_PARAMS16 *nc16;
1374 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1375 lParam = *(LPARAM *)(nc + 1);
1376 nc16 = MapSL(lParam);
1377 CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] );
1378 if (wParam)
1380 CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] );
1381 CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] );
1382 if (nc->lppos)
1384 STRUCT32_WINDOWPOS32to16( nc->lppos, MapSL(nc16->lppos));
1385 HeapFree( GetProcessHeap(), 0, nc->lppos );
1388 HeapFree( GetProcessHeap(), 0, nc );
1390 break;
1391 case WM_NCCREATE:
1392 case WM_CREATE:
1394 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1395 lParam = *(LPARAM *)(cs + 1);
1396 STRUCT32_CREATESTRUCT32Ato16( cs, MapSL(lParam) );
1397 HeapFree( GetProcessHeap(), 0, cs );
1399 break;
1400 case WM_WINDOWPOSCHANGING:
1401 case WM_WINDOWPOSCHANGED:
1403 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1404 lParam = *(LPARAM *)(wp + 1);
1405 STRUCT32_WINDOWPOS32to16(wp, MapSL(lParam));
1406 HeapFree( GetProcessHeap(), 0, wp );
1408 break;
1409 case WM_GETDLGCODE:
1410 if (lParam)
1412 LPMSG msg32 = (LPMSG)lParam;
1414 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1415 result);
1416 HeapFree( GetProcessHeap(), 0, msg32 );
1418 break;
1419 case WM_NEXTMENU:
1421 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
1422 result = MAKELONG( next->hmenuNext, WIN_Handle16(next->hwndNext) );
1423 HeapFree( GetProcessHeap(), 0, next );
1425 break;
1427 return result;
1431 /**********************************************************************
1432 * WINPROC_MapMsg16To32W
1434 * Map a message from 16- to 32-bit Unicode.
1435 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1437 INT WINPROC_MapMsg16To32W( HWND hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1438 WPARAM *pwparam32, LPARAM *plparam )
1440 char ch;
1441 WCHAR wch;
1443 *pmsg32=(UINT)msg16;
1444 *pwparam32 = (WPARAM)wParam16;
1445 switch(msg16)
1447 case WM_GETTEXT:
1448 case WM_SETTEXT:
1449 case WM_WININICHANGE:
1450 case WM_DEVMODECHANGE:
1451 case WM_ASKCBFORMATNAME:
1452 *plparam = (LPARAM)MapSL(*plparam);
1453 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, pwparam32, plparam );
1454 case WM_GETTEXTLENGTH:
1455 case CB_GETLBTEXTLEN:
1456 case LB_GETTEXTLEN:
1457 return 1; /* need to map result */
1458 case WM_NCCREATE:
1459 case WM_CREATE:
1461 CREATESTRUCT16 *cs16 = MapSL(*plparam);
1462 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1463 sizeof(*cs) + sizeof(LPARAM) );
1464 if (!cs) return -1;
1465 STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1466 cs->lpszName = MapSL(cs16->lpszName);
1467 cs->lpszClass = MapSL(cs16->lpszClass);
1468 if (HIWORD(cs->lpszName))
1469 cs->lpszName = HEAP_strdupAtoW( GetProcessHeap(), 0,
1470 (LPCSTR)cs->lpszName );
1471 if (HIWORD(cs->lpszClass))
1472 cs->lpszClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
1473 (LPCSTR)cs->lpszClass );
1474 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1475 *plparam = (LPARAM)cs;
1477 return 1;
1478 case WM_MDICREATE:
1480 MDICREATESTRUCT16 *cs16 = MapSL(*plparam);
1481 MDICREATESTRUCTW *cs =
1482 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1483 sizeof(*cs) + sizeof(LPARAM) );
1484 if (!cs) return -1;
1485 STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1486 cs->szTitle = MapSL(cs16->szTitle);
1487 cs->szClass = MapSL(cs16->szClass);
1488 if (HIWORD(cs->szTitle))
1489 cs->szTitle = HEAP_strdupAtoW( GetProcessHeap(), 0,
1490 (LPCSTR)cs->szTitle );
1491 if (HIWORD(cs->szClass))
1492 cs->szClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
1493 (LPCSTR)cs->szClass );
1494 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1495 *plparam = (LPARAM)cs;
1497 return 1;
1498 case WM_GETDLGCODE:
1499 if (*plparam)
1501 LPMSG16 msg16 = MapSL(*plparam);
1502 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1504 if (!msg32) return -1;
1505 msg32->hwnd = WIN_Handle32( msg16->hwnd );
1506 msg32->lParam = msg16->lParam;
1507 msg32->time = msg16->time;
1508 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1509 /* this is right, right? */
1510 if (WINPROC_MapMsg16To32W(hwnd, msg16->message,msg16->wParam,
1511 &msg32->message,&msg32->wParam,
1512 &msg32->lParam)<0) {
1513 HeapFree( GetProcessHeap(), 0, msg32 );
1514 return -1;
1516 *plparam = (LPARAM)msg32;
1517 return 1;
1519 else return 0;
1521 case WM_CHARTOITEM:
1522 ch = wParam16;
1523 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1524 *pwparam32 = MAKEWPARAM( wch, HIWORD(*plparam) );
1525 *plparam = (LPARAM)WIN_Handle32( LOWORD(*plparam) );
1526 return 0;
1527 case WM_MENUCHAR:
1528 ch = wParam16;
1529 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1530 *pwparam32 = MAKEWPARAM( wch, LOWORD(*plparam) );
1531 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1532 return 0;
1533 case WM_CHAR:
1534 case WM_DEADCHAR:
1535 case WM_SYSCHAR:
1536 case WM_SYSDEADCHAR:
1537 ch = wParam16;
1538 MultiByteToWideChar( CP_ACP, 0, &ch, 1, &wch, 1);
1539 *pwparam32 = wch;
1540 return 0;
1542 default: /* No Unicode translation needed */
1543 return WINPROC_MapMsg16To32A( hwnd, msg16, wParam16, pmsg32,
1544 pwparam32, plparam );
1549 /**********************************************************************
1550 * WINPROC_UnmapMsg16To32W
1552 * Unmap a message that was mapped from 16- to 32-bit Unicode.
1554 LRESULT WINPROC_UnmapMsg16To32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1555 LRESULT result )
1557 switch(msg)
1559 case WM_GETTEXT:
1560 case WM_SETTEXT:
1561 case WM_GETTEXTLENGTH:
1562 case CB_GETLBTEXTLEN:
1563 case LB_GETTEXTLEN:
1564 case WM_ASKCBFORMATNAME:
1565 return WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
1566 case WM_NCCREATE:
1567 case WM_CREATE:
1569 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
1570 lParam = *(LPARAM *)(cs + 1);
1571 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs, MapSL(lParam) );
1572 if (HIWORD(cs->lpszName))
1573 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
1574 if (HIWORD(cs->lpszClass))
1575 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
1576 HeapFree( GetProcessHeap(), 0, cs );
1578 break;
1579 case WM_MDICREATE:
1581 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
1582 lParam = *(LPARAM *)(cs + 1);
1583 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs, MapSL(lParam) );
1584 if (HIWORD(cs->szTitle))
1585 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1586 if (HIWORD(cs->szClass))
1587 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1588 HeapFree( GetProcessHeap(), 0, cs );
1590 break;
1591 case WM_GETDLGCODE:
1592 if (lParam)
1594 LPMSG msg32 = (LPMSG)lParam;
1596 WINPROC_UnmapMsg16To32W( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1597 result);
1598 HeapFree( GetProcessHeap(), 0, msg32 );
1600 break;
1601 default:
1602 return WINPROC_UnmapMsg16To32A( hwnd, msg, wParam, lParam, result );
1604 return result;
1608 /**********************************************************************
1609 * WINPROC_MapMsg32ATo16
1611 * Map a message from 32-bit Ansi to 16-bit.
1612 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1614 INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
1615 UINT16 *pmsg16, WPARAM16 *pwparam16,
1616 LPARAM *plparam )
1618 *pmsg16 = (UINT16)msg32;
1619 *pwparam16 = (WPARAM16)LOWORD(wParam32);
1620 switch(msg32)
1622 case BM_GETCHECK:
1623 case BM_SETCHECK:
1624 case BM_GETSTATE:
1625 case BM_SETSTATE:
1626 case BM_SETSTYLE:
1627 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1628 return 0;
1630 case EM_GETSEL:
1631 case EM_GETRECT:
1632 case EM_SETRECT:
1633 case EM_SETRECTNP:
1634 case EM_SCROLL:
1635 case EM_LINESCROLL:
1636 case EM_SCROLLCARET:
1637 case EM_GETMODIFY:
1638 case EM_SETMODIFY:
1639 case EM_GETLINECOUNT:
1640 case EM_LINEINDEX:
1641 case EM_SETHANDLE:
1642 case EM_GETHANDLE:
1643 case EM_GETTHUMB:
1644 case EM_LINELENGTH:
1645 case EM_REPLACESEL:
1646 case EM_GETLINE:
1647 case EM_LIMITTEXT:
1648 case EM_CANUNDO:
1649 case EM_UNDO:
1650 case EM_FMTLINES:
1651 case EM_LINEFROMCHAR:
1652 case EM_SETTABSTOPS:
1653 case EM_SETPASSWORDCHAR:
1654 case EM_EMPTYUNDOBUFFER:
1655 case EM_GETFIRSTVISIBLELINE:
1656 case EM_SETREADONLY:
1657 case EM_SETWORDBREAKPROC:
1658 case EM_GETWORDBREAKPROC:
1659 case EM_GETPASSWORDCHAR:
1660 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1661 return 0;
1663 case LB_CARETOFF:
1664 case LB_CARETON:
1665 case LB_DELETESTRING:
1666 case LB_GETANCHORINDEX:
1667 case LB_GETCARETINDEX:
1668 case LB_GETCOUNT:
1669 case LB_GETCURSEL:
1670 case LB_GETHORIZONTALEXTENT:
1671 case LB_GETITEMDATA:
1672 case LB_GETITEMHEIGHT:
1673 case LB_GETSEL:
1674 case LB_GETSELCOUNT:
1675 case LB_GETTEXTLEN:
1676 case LB_GETTOPINDEX:
1677 case LB_RESETCONTENT:
1678 case LB_SELITEMRANGE:
1679 case LB_SELITEMRANGEEX:
1680 case LB_SETANCHORINDEX:
1681 case LB_SETCARETINDEX:
1682 case LB_SETCOLUMNWIDTH:
1683 case LB_SETCURSEL:
1684 case LB_SETHORIZONTALEXTENT:
1685 case LB_SETITEMDATA:
1686 case LB_SETITEMHEIGHT:
1687 case LB_SETSEL:
1688 case LB_SETTOPINDEX:
1689 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1690 return 0;
1691 case CB_DELETESTRING:
1692 case CB_GETCOUNT:
1693 case CB_GETLBTEXTLEN:
1694 case CB_LIMITTEXT:
1695 case CB_RESETCONTENT:
1696 case CB_SETEDITSEL:
1697 case CB_GETCURSEL:
1698 case CB_SETCURSEL:
1699 case CB_SHOWDROPDOWN:
1700 case CB_SETITEMDATA:
1701 case CB_SETITEMHEIGHT:
1702 case CB_GETITEMHEIGHT:
1703 case CB_SETEXTENDEDUI:
1704 case CB_GETEXTENDEDUI:
1705 case CB_GETDROPPEDSTATE:
1706 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1707 return 0;
1708 case CB_GETEDITSEL:
1709 *pmsg16 = CB_GETEDITSEL16;
1710 return 1;
1712 case LB_ADDSTRING:
1713 case LB_FINDSTRING:
1714 case LB_FINDSTRINGEXACT:
1715 case LB_INSERTSTRING:
1716 case LB_SELECTSTRING:
1717 case LB_DIR:
1718 case LB_ADDFILE:
1720 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1721 if (!str) return -1;
1722 *plparam = (LPARAM)SEGPTR_GET(str);
1724 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1725 return 1;
1727 case CB_ADDSTRING:
1728 case CB_FINDSTRING:
1729 case CB_FINDSTRINGEXACT:
1730 case CB_INSERTSTRING:
1731 case CB_SELECTSTRING:
1732 case CB_DIR:
1734 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1735 if (!str) return -1;
1736 *plparam = (LPARAM)SEGPTR_GET(str);
1738 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1739 return 1;
1741 case LB_GETITEMRECT:
1743 RECT16 *rect;
1744 rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) );
1745 if (!rect) return -1;
1746 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1747 *plparam = (LPARAM)SEGPTR_GET(rect);
1749 *pmsg16 = LB_GETITEMRECT16;
1750 return 1;
1751 case LB_GETSELITEMS:
1753 LPINT16 items;
1754 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
1755 if (!(items = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16)
1756 + sizeof(LPARAM)))) return -1;
1757 *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */
1758 *plparam = (LPARAM)SEGPTR_GET(items);
1760 *pmsg16 = LB_GETSELITEMS16;
1761 return 1;
1762 case LB_SETTABSTOPS:
1763 if (wParam32)
1765 INT i;
1766 LPINT16 stops;
1767 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
1768 if (!(stops = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16)
1769 + sizeof(LPARAM)))) return -1;
1770 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
1771 *plparam = (LPARAM)SEGPTR_GET(stops);
1772 return 1;
1774 *pmsg16 = LB_SETTABSTOPS16;
1775 return 0;
1777 case CB_GETDROPPEDCONTROLRECT:
1779 RECT16 *rect;
1780 rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) );
1781 if (!rect) return -1;
1782 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1783 *plparam = (LPARAM)SEGPTR_GET(rect);
1785 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
1786 return 1;
1788 case LB_GETTEXT:
1789 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
1790 *pmsg16 = LB_GETTEXT16;
1791 return 1;
1793 case CB_GETLBTEXT:
1794 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
1795 *pmsg16 = CB_GETLBTEXT16;
1796 return 1;
1798 case EM_SETSEL:
1799 *pwparam16 = 0;
1800 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
1801 *pmsg16 = EM_SETSEL16;
1802 return 0;
1804 case WM_ACTIVATE:
1805 case WM_CHARTOITEM:
1806 case WM_COMMAND:
1807 case WM_VKEYTOITEM:
1808 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
1809 return 0;
1810 case WM_HSCROLL:
1811 case WM_VSCROLL:
1812 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
1813 return 0;
1814 case WM_CTLCOLORMSGBOX:
1815 case WM_CTLCOLOREDIT:
1816 case WM_CTLCOLORLISTBOX:
1817 case WM_CTLCOLORBTN:
1818 case WM_CTLCOLORDLG:
1819 case WM_CTLCOLORSCROLLBAR:
1820 case WM_CTLCOLORSTATIC:
1821 *pmsg16 = WM_CTLCOLOR;
1822 *plparam = MAKELPARAM( (HWND16)*plparam,
1823 (WORD)msg32 - WM_CTLCOLORMSGBOX );
1824 return 0;
1825 case WM_COMPAREITEM:
1827 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
1828 COMPAREITEMSTRUCT16 *cis = SEGPTR_NEW(COMPAREITEMSTRUCT16);
1829 if (!cis) return -1;
1830 cis->CtlType = (UINT16)cis32->CtlType;
1831 cis->CtlID = (UINT16)cis32->CtlID;
1832 cis->hwndItem = WIN_Handle16( cis32->hwndItem );
1833 cis->itemID1 = (UINT16)cis32->itemID1;
1834 cis->itemData1 = cis32->itemData1;
1835 cis->itemID2 = (UINT16)cis32->itemID2;
1836 cis->itemData2 = cis32->itemData2;
1837 *plparam = (LPARAM)SEGPTR_GET(cis);
1839 return 1;
1840 case WM_DELETEITEM:
1842 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
1843 DELETEITEMSTRUCT16 *dis = SEGPTR_NEW(DELETEITEMSTRUCT16);
1844 if (!dis) return -1;
1845 dis->CtlType = (UINT16)dis32->CtlType;
1846 dis->CtlID = (UINT16)dis32->CtlID;
1847 dis->itemID = (UINT16)dis32->itemID;
1848 dis->hwndItem = (dis->CtlType == ODT_MENU) ? (HWND16)LOWORD(dis32->hwndItem)
1849 : WIN_Handle16( dis32->hwndItem );
1850 dis->itemData = dis32->itemData;
1851 *plparam = (LPARAM)SEGPTR_GET(dis);
1853 return 1;
1854 case WM_DRAWITEM:
1856 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
1857 DRAWITEMSTRUCT16 *dis = SEGPTR_NEW(DRAWITEMSTRUCT16);
1858 if (!dis) return -1;
1859 dis->CtlType = (UINT16)dis32->CtlType;
1860 dis->CtlID = (UINT16)dis32->CtlID;
1861 dis->itemID = (UINT16)dis32->itemID;
1862 dis->itemAction = (UINT16)dis32->itemAction;
1863 dis->itemState = (UINT16)dis32->itemState;
1864 dis->hwndItem = WIN_Handle16( dis32->hwndItem );
1865 dis->hDC = (HDC16)dis32->hDC;
1866 dis->itemData = dis32->itemData;
1867 CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem );
1868 *plparam = (LPARAM)SEGPTR_GET(dis);
1870 return 1;
1871 case WM_MEASUREITEM:
1873 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
1874 MEASUREITEMSTRUCT16 *mis = (MEASUREITEMSTRUCT16 *)
1875 SEGPTR_ALLOC(sizeof(*mis)+sizeof(LPARAM));
1876 if (!mis) return -1;
1877 mis->CtlType = (UINT16)mis32->CtlType;
1878 mis->CtlID = (UINT16)mis32->CtlID;
1879 mis->itemID = (UINT16)mis32->itemID;
1880 mis->itemWidth = (UINT16)mis32->itemWidth;
1881 mis->itemHeight = (UINT16)mis32->itemHeight;
1882 mis->itemData = mis32->itemData;
1883 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1884 *plparam = (LPARAM)SEGPTR_GET(mis);
1886 return 1;
1887 case WM_GETMINMAXINFO:
1889 MINMAXINFO16 *mmi = (MINMAXINFO16 *)SEGPTR_ALLOC( sizeof(*mmi) +
1890 sizeof(LPARAM) );
1891 if (!mmi) return -1;
1892 STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
1893 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1894 *plparam = (LPARAM)SEGPTR_GET(mmi);
1896 return 1;
1897 case WM_GETTEXT:
1898 case WM_ASKCBFORMATNAME:
1900 LPSTR str;
1901 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
1902 if (!(str = SEGPTR_ALLOC(*pwparam16 + sizeof(LPARAM)))) return -1;
1903 *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */
1904 *plparam = (LPARAM)SEGPTR_GET(str);
1906 return 1;
1907 case WM_MDICREATE:
1909 MDICREATESTRUCT16 *cs;
1910 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
1911 LPSTR name, cls;
1913 if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1;
1914 STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs );
1915 name = SEGPTR_STRDUP( cs32->szTitle );
1916 cls = SEGPTR_STRDUP( cs32->szClass );
1917 cs->szTitle = SEGPTR_GET(name);
1918 cs->szClass = SEGPTR_GET(cls);
1919 *plparam = (LPARAM)SEGPTR_GET(cs);
1921 return 1;
1922 case WM_MDIGETACTIVE:
1923 return 1;
1924 case WM_MDISETMENU:
1925 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
1926 (HMENU16)LOWORD(*plparam) );
1927 *pwparam16 = (*plparam == 0);
1928 return 0;
1929 case WM_MENUSELECT:
1930 if(HIWORD(wParam32) & MF_POPUP)
1932 UINT16 hmenu;
1933 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
1935 if((hmenu = GetSubMenu((HMENU16)*plparam, *pwparam16)))
1936 *pwparam16=hmenu;
1939 /* fall through */
1940 case WM_MENUCHAR:
1941 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
1942 return 0;
1943 case WM_MDIACTIVATE:
1944 if (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_MDICHILD)
1946 *pwparam16 = ((HWND)*plparam == hwnd);
1947 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
1948 (HWND16)LOWORD(wParam32) );
1950 else
1952 *pwparam16 = WIN_Handle16( (HWND)wParam32 );
1953 *plparam = 0;
1955 return 0;
1956 case WM_NCCALCSIZE:
1958 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
1959 NCCALCSIZE_PARAMS16 *nc = (NCCALCSIZE_PARAMS16 *)SEGPTR_ALLOC( sizeof(*nc) + sizeof(LPARAM) );
1960 if (!nc) return -1;
1962 CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] );
1963 if (wParam32)
1965 WINDOWPOS16 *wp;
1966 CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] );
1967 CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] );
1968 if (!(wp = SEGPTR_NEW(WINDOWPOS16)))
1970 SEGPTR_FREE(nc);
1971 return -1;
1973 STRUCT32_WINDOWPOS32to16( nc32->lppos, wp );
1974 nc->lppos = SEGPTR_GET(wp);
1976 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1977 *plparam = (LPARAM)SEGPTR_GET(nc);
1979 return 1;
1980 case WM_NCCREATE:
1981 case WM_CREATE:
1983 CREATESTRUCT16 *cs;
1984 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
1985 LPSTR name, cls;
1987 if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1;
1988 STRUCT32_CREATESTRUCT32Ato16( cs32, cs );
1989 name = SEGPTR_STRDUP( cs32->lpszName );
1990 cls = SEGPTR_STRDUP( cs32->lpszClass );
1991 cs->lpszName = SEGPTR_GET(name);
1992 cs->lpszClass = SEGPTR_GET(cls);
1993 *plparam = (LPARAM)SEGPTR_GET(cs);
1995 return 1;
1996 case WM_PARENTNOTIFY:
1997 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
1998 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
1999 /* else nothing to do */
2000 return 0;
2001 case WM_NOTIFY:
2002 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
2003 return 1;
2004 case WM_SETTEXT:
2005 case WM_WININICHANGE:
2006 case WM_DEVMODECHANGE:
2008 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
2009 if (!str) return -1;
2010 *plparam = (LPARAM)SEGPTR_GET(str);
2012 return 1;
2013 case WM_WINDOWPOSCHANGING:
2014 case WM_WINDOWPOSCHANGED:
2016 WINDOWPOS16 *wp = (WINDOWPOS16 *)SEGPTR_ALLOC( sizeof(*wp) +
2017 sizeof(LPARAM) );
2018 if (!wp) return -1;
2019 STRUCT32_WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
2020 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
2021 *plparam = (LPARAM)SEGPTR_GET(wp);
2023 return 1;
2024 case WM_GETDLGCODE:
2025 if (*plparam) {
2026 LPMSG msg32 = (LPMSG) *plparam;
2027 LPMSG16 msg16 = (LPMSG16) SEGPTR_NEW( MSG16 );
2029 if (!msg16) return -1;
2030 msg16->hwnd = WIN_Handle16( msg32->hwnd );
2031 msg16->lParam = msg32->lParam;
2032 msg16->time = msg32->time;
2033 CONV_POINT32TO16(&msg32->pt,&msg16->pt);
2034 /* this is right, right? */
2035 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
2036 &msg16->message,&msg16->wParam, &msg16->lParam)<0) {
2037 SEGPTR_FREE( msg16 );
2038 return -1;
2040 *plparam = (LPARAM)SEGPTR_GET(msg16);
2041 return 1;
2043 return 0;
2045 case WM_ACTIVATEAPP:
2046 if (*plparam) *plparam = (LPARAM)THREAD_IdToTEB((DWORD) *plparam)->htask16;
2047 return 0;
2048 case WM_NEXTMENU:
2050 MDINEXTMENU *next = (MDINEXTMENU *)*plparam;
2051 *plparam = next->hmenuIn;
2052 return 1;
2054 case WM_PAINTCLIPBOARD:
2055 case WM_SIZECLIPBOARD:
2056 FIXME_(msg)("message %04x needs translation\n", msg32 );
2057 return -1;
2058 /* following messages should not be sent to 16-bit apps */
2059 case WM_SIZING:
2060 case WM_MOVING:
2061 case WM_CAPTURECHANGED:
2062 case WM_STYLECHANGING:
2063 case WM_STYLECHANGED:
2064 return -1;
2065 default: /* No translation needed */
2066 return 0;
2071 /**********************************************************************
2072 * WINPROC_UnmapMsg32ATo16
2074 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
2076 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2077 MSGPARAM16* p16 )
2079 switch(msg)
2081 case LB_ADDFILE:
2082 case LB_ADDSTRING:
2083 case LB_DIR:
2084 case LB_FINDSTRING:
2085 case LB_FINDSTRINGEXACT:
2086 case LB_INSERTSTRING:
2087 case LB_SELECTSTRING:
2088 case LB_SETTABSTOPS:
2089 case CB_ADDSTRING:
2090 case CB_FINDSTRING:
2091 case CB_FINDSTRINGEXACT:
2092 case CB_INSERTSTRING:
2093 case CB_SELECTSTRING:
2094 case CB_DIR:
2095 case WM_COMPAREITEM:
2096 case WM_DELETEITEM:
2097 case WM_DRAWITEM:
2098 case WM_SETTEXT:
2099 case WM_WININICHANGE:
2100 case WM_DEVMODECHANGE:
2101 SEGPTR_FREE( MapSL(p16->lParam) );
2102 break;
2104 case CB_GETDROPPEDCONTROLRECT:
2105 case LB_GETITEMRECT:
2107 RECT16 *rect = MapSL(p16->lParam);
2108 p16->lParam = *(LPARAM *)(rect + 1);
2109 CONV_RECT16TO32( rect, (RECT *)(p16->lParam));
2110 SEGPTR_FREE( rect );
2112 break;
2113 case LB_GETSELITEMS:
2115 INT i;
2116 LPINT16 items = MapSL(lParam);
2117 p16->lParam = *((LPARAM *)items - 1);
2118 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2119 SEGPTR_FREE( (LPARAM *)items - 1 );
2121 break;
2123 case CB_GETEDITSEL:
2124 if( wParam )
2125 *((LPUINT)(wParam)) = LOWORD(p16->lResult);
2126 if( lParam )
2127 *((LPUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2128 break;
2130 case LB_GETTEXT:
2131 case CB_GETLBTEXT:
2132 UnMapLS( (SEGPTR)(p16->lParam) );
2133 break;
2135 case WM_MEASUREITEM:
2137 MEASUREITEMSTRUCT16 *mis = MapSL(p16->lParam);
2138 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2139 mis32->itemWidth = mis->itemWidth;
2140 mis32->itemHeight = mis->itemHeight;
2141 SEGPTR_FREE(mis);
2143 break;
2144 case WM_GETMINMAXINFO:
2146 MINMAXINFO16 *mmi = MapSL(p16->lParam);
2147 p16->lParam = *(LPARAM *)(mmi + 1);
2148 STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2149 SEGPTR_FREE(mmi);
2151 break;
2152 case WM_GETTEXT:
2153 case WM_ASKCBFORMATNAME:
2155 LPSTR str = MapSL(p16->lParam);
2156 p16->lParam = *((LPARAM *)str - 1);
2157 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2158 SEGPTR_FREE( (LPARAM *)str - 1 );
2160 break;
2161 case WM_MDICREATE:
2163 MDICREATESTRUCT16 *cs = MapSL(p16->lParam);
2164 SEGPTR_FREE( MapSL(cs->szTitle) );
2165 SEGPTR_FREE( MapSL(cs->szClass) );
2166 SEGPTR_FREE( cs );
2168 break;
2169 case WM_MDIGETACTIVE:
2170 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2171 p16->lResult = (LRESULT)WIN_Handle32( LOWORD(p16->lResult) );
2172 break;
2173 case WM_NCCALCSIZE:
2175 NCCALCSIZE_PARAMS *nc32;
2176 NCCALCSIZE_PARAMS16 *nc = MapSL(p16->lParam);
2177 p16->lParam = *(LPARAM *)(nc + 1);
2178 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2179 CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] );
2180 if (p16->wParam)
2182 CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] );
2183 CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] );
2184 STRUCT32_WINDOWPOS16to32( MapSL(nc->lppos), nc32->lppos );
2185 SEGPTR_FREE( MapSL(nc->lppos) );
2187 SEGPTR_FREE(nc);
2189 break;
2190 case WM_NCCREATE:
2191 case WM_CREATE:
2193 CREATESTRUCT16 *cs = MapSL(p16->lParam);
2194 SEGPTR_FREE( MapSL(cs->lpszName) );
2195 SEGPTR_FREE( MapSL(cs->lpszClass) );
2196 SEGPTR_FREE( cs );
2198 break;
2199 case WM_WINDOWPOSCHANGING:
2200 case WM_WINDOWPOSCHANGED:
2202 WINDOWPOS16 *wp = MapSL(p16->lParam);
2203 p16->lParam = *(LPARAM *)(wp + 1);
2204 STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2205 SEGPTR_FREE(wp);
2207 break;
2208 case WM_NOTIFY:
2209 UnMapLS(p16->lParam);
2210 break;
2211 case WM_GETDLGCODE:
2212 if (p16->lParam)
2214 LPMSG16 msg16 = MapSL(p16->lParam);
2215 MSGPARAM16 msgp16;
2216 msgp16.wParam=msg16->wParam;
2217 msgp16.lParam=msg16->lParam;
2218 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2219 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2220 &msgp16 );
2221 SEGPTR_FREE(msg16);
2223 break;
2224 case WM_NEXTMENU:
2226 MDINEXTMENU *next = (MDINEXTMENU *)lParam;
2227 next->hmenuNext = LOWORD(p16->lResult);
2228 next->hwndNext = WIN_Handle32( HIWORD(p16->lResult) );
2229 p16->lResult = 0;
2231 break;
2236 /**********************************************************************
2237 * WINPROC_MapMsg32WTo16
2239 * Map a message from 32-bit Unicode to 16-bit.
2240 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2242 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2243 UINT16 *pmsg16, WPARAM16 *pwparam16,
2244 LPARAM *plparam )
2246 char ch;
2247 WCHAR wch;
2249 *pmsg16 = LOWORD(msg32);
2250 *pwparam16 = LOWORD(wParam32);
2251 switch(msg32)
2253 case LB_ADDSTRING:
2254 case LB_FINDSTRING:
2255 case LB_FINDSTRINGEXACT:
2256 case LB_INSERTSTRING:
2257 case LB_SELECTSTRING:
2258 case LB_DIR:
2259 case LB_ADDFILE:
2261 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2262 if (!str) return -1;
2263 *plparam = (LPARAM)SEGPTR_GET(str);
2265 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2266 return 1;
2268 case CB_ADDSTRING:
2269 case CB_FINDSTRING:
2270 case CB_FINDSTRINGEXACT:
2271 case CB_INSERTSTRING:
2272 case CB_SELECTSTRING:
2273 case CB_DIR:
2275 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2276 if (!str) return -1;
2277 *plparam = (LPARAM)SEGPTR_GET(str);
2279 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2280 return 1;
2282 case WM_NCCREATE:
2283 case WM_CREATE:
2285 CREATESTRUCT16 *cs;
2286 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2287 LPSTR name, cls;
2289 if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1;
2290 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2291 name = SEGPTR_STRDUP_WtoA( cs32->lpszName );
2292 cls = SEGPTR_STRDUP_WtoA( cs32->lpszClass );
2293 cs->lpszName = SEGPTR_GET(name);
2294 cs->lpszClass = SEGPTR_GET(cls);
2295 *plparam = (LPARAM)SEGPTR_GET(cs);
2297 return 1;
2298 case WM_MDICREATE:
2300 MDICREATESTRUCT16 *cs;
2301 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2302 LPSTR name, cls;
2304 if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1;
2305 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2306 name = SEGPTR_STRDUP_WtoA( cs32->szTitle );
2307 cls = SEGPTR_STRDUP_WtoA( cs32->szClass );
2308 cs->szTitle = SEGPTR_GET(name);
2309 cs->szClass = SEGPTR_GET(cls);
2310 *plparam = (LPARAM)SEGPTR_GET(cs);
2312 return 1;
2313 case WM_SETTEXT:
2315 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2316 if (!str) return -1;
2317 *plparam = (LPARAM)SEGPTR_GET(str);
2319 return 1;
2320 case LB_GETTEXT:
2321 case CB_GETLBTEXT:
2322 if ( WINPROC_TestLBForStr( hwnd ))
2324 LPSTR str = (LPSTR) SEGPTR_ALLOC( 256 ); /* fixme: fixed sized buffer */
2325 if (!str) return -1;
2326 *pmsg16 = (msg32 == LB_GETTEXT)? LB_GETTEXT16 : CB_GETLBTEXT16;
2327 *plparam = (LPARAM)SEGPTR_GET(str);
2329 return 1;
2331 case WM_CHARTOITEM:
2332 wch = LOWORD(wParam32);
2333 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2334 *pwparam16 = ch;
2335 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
2336 return 0;
2337 case WM_MENUCHAR:
2338 wch = LOWORD(wParam32);
2339 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2340 *pwparam16 = ch;
2341 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
2342 return 0;
2343 case WM_CHAR:
2344 case WM_DEADCHAR:
2345 case WM_SYSCHAR:
2346 case WM_SYSDEADCHAR:
2347 wch = wParam32;
2348 WideCharToMultiByte( CP_ACP, 0, &wch, 1, &ch, 1, NULL, NULL);
2349 *pwparam16 = ch;
2350 return 0;
2352 default: /* No Unicode translation needed (?) */
2353 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2354 pwparam16, plparam );
2359 /**********************************************************************
2360 * WINPROC_UnmapMsg32WTo16
2362 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2364 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2365 MSGPARAM16* p16 )
2367 switch(msg)
2369 case WM_GETTEXT:
2370 case WM_ASKCBFORMATNAME:
2372 LPSTR str = MapSL(p16->lParam);
2373 p16->lParam = *((LPARAM *)str - 1);
2374 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)p16->lParam, 0x7fffffff );
2375 SEGPTR_FREE( (LPARAM *)str - 1 );
2377 break;
2378 case LB_GETTEXT:
2379 case CB_GETLBTEXT:
2380 if ( WINPROC_TestLBForStr( hwnd ))
2382 LPSTR str = MapSL(p16->lParam);
2383 MultiByteToWideChar( CP_ACP, 0, str, -1, (LPWSTR)lParam, 0x7fffffff );
2384 SEGPTR_FREE( (LPARAM *) str );
2386 break;
2387 default:
2388 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2389 break;
2394 /**********************************************************************
2395 * WINPROC_CallProc32ATo32W
2397 * Call a window procedure, translating args from Ansi to Unicode.
2399 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2400 UINT msg, WPARAM wParam,
2401 LPARAM lParam )
2403 LRESULT result;
2404 int unmap;
2406 if( (unmap = WINPROC_MapMsg32ATo32W( hwnd, msg, &wParam, &lParam )) == -1) {
2407 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2408 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2409 return 0;
2411 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2412 if (unmap) result = WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam, result );
2413 return result;
2417 /**********************************************************************
2418 * WINPROC_CallProc32WTo32A
2420 * Call a window procedure, translating args from Unicode to Ansi.
2422 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
2423 UINT msg, WPARAM wParam,
2424 LPARAM lParam )
2426 LRESULT result;
2427 int unmap;
2429 if ((unmap = WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam )) == -1) {
2430 ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
2431 SPY_GetMsgName(msg, hwnd), wParam, lParam );
2432 return 0;
2434 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2435 if( unmap ) WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam );
2436 return result;
2440 /**********************************************************************
2441 * WINPROC_CallProc16To32A
2443 * Call a 32-bit window procedure, translating the 16-bit args.
2445 static LRESULT WINPROC_CallProc16To32A( WNDPROC func, HWND16 hwnd,
2446 UINT16 msg, WPARAM16 wParam,
2447 LPARAM lParam )
2449 LRESULT result;
2450 UINT msg32;
2451 WPARAM wParam32;
2452 HWND hwnd32 = WIN_Handle32( hwnd );
2454 if (WINPROC_MapMsg16To32A( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2455 return 0;
2456 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2457 return WINPROC_UnmapMsg16To32A( hwnd32, msg32, wParam32, lParam, result );
2460 /**********************************************************************
2461 * WINPROC_Thunk16To32A
2463 static LRESULT WINAPI WINPROC_Thunk16To32A( WNDPROC func, LPBYTE args )
2465 HWND16 hwnd = *(HWND16 *)( args+8 );
2466 UINT16 msg = *(HWND16 *)( args+6 );
2467 WPARAM16 wParam = *(HWND16 *)( args+4 );
2468 LPARAM lParam = *(LPARAM *)( args+0 );
2470 return WINPROC_CallProc16To32A( func, hwnd, msg, wParam, lParam );
2474 /**********************************************************************
2475 * WINPROC_CallProc16To32W
2477 * Call a 32-bit window procedure, translating the 16-bit args.
2479 static LRESULT WINPROC_CallProc16To32W( WNDPROC func, HWND16 hwnd,
2480 UINT16 msg, WPARAM16 wParam,
2481 LPARAM lParam )
2483 LRESULT result;
2484 UINT msg32;
2485 WPARAM wParam32;
2486 HWND hwnd32 = WIN_Handle32( hwnd );
2488 if (WINPROC_MapMsg16To32W( hwnd32, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2489 return 0;
2490 result = WINPROC_CallWndProc( func, hwnd32, msg32, wParam32, lParam );
2491 return WINPROC_UnmapMsg16To32W( hwnd32, msg32, wParam32, lParam, result );
2494 /**********************************************************************
2495 * WINPROC_Thunk16To32W
2497 static LRESULT WINAPI WINPROC_Thunk16To32W( WNDPROC func, LPBYTE args )
2499 HWND16 hwnd = *(HWND16 *)( args+8 );
2500 UINT16 msg = *(HWND16 *)( args+6 );
2501 WPARAM16 wParam = *(HWND16 *)( args+4 );
2502 LPARAM lParam = *(LPARAM *)( args+0 );
2504 return WINPROC_CallProc16To32W( func, hwnd, msg, wParam, lParam );
2507 /**********************************************************************
2508 * WINPROC_CallProc32ATo16
2510 * Call a 16-bit window procedure, translating the 32-bit args.
2512 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
2513 UINT msg, WPARAM wParam,
2514 LPARAM lParam )
2516 UINT16 msg16;
2517 MSGPARAM16 mp16;
2519 mp16.lParam = lParam;
2520 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1)
2521 return 0;
2522 mp16.lResult = WINPROC_CallWndProc16( func, WIN_Handle16(hwnd), msg16,
2523 mp16.wParam, mp16.lParam );
2524 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
2525 return mp16.lResult;
2529 /**********************************************************************
2530 * WINPROC_CallProc32WTo16
2532 * Call a 16-bit window procedure, translating the 32-bit args.
2534 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
2535 UINT msg, WPARAM wParam,
2536 LPARAM lParam )
2538 UINT16 msg16;
2539 MSGPARAM16 mp16;
2541 mp16.lParam = lParam;
2542 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
2543 &mp16.lParam ) == -1)
2544 return 0;
2545 mp16.lResult = WINPROC_CallWndProc16( func, WIN_Handle16(hwnd), msg16,
2546 mp16.wParam, mp16.lParam );
2547 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
2548 return mp16.lResult;
2552 /**********************************************************************
2553 * CallWindowProc (USER.122)
2554 * CallWindowProc16 (USER32.@)
2556 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2557 WPARAM16 wParam, LPARAM lParam )
2559 WINDOWPROC *proc = WINPROC_GetPtr( func );
2561 if (!proc)
2562 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2564 #if testing
2565 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_16 );
2566 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2567 #endif
2569 switch(proc->type)
2571 case WIN_PROC_16:
2572 if (!proc->thunk.t_from32.proc) return 0;
2573 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
2574 hwnd, msg, wParam, lParam );
2575 case WIN_PROC_32A:
2576 if (!proc->thunk.t_from16.proc) return 0;
2577 return WINPROC_CallProc16To32A( proc->thunk.t_from16.proc,
2578 hwnd, msg, wParam, lParam );
2579 case WIN_PROC_32W:
2580 if (!proc->thunk.t_from16.proc) return 0;
2581 return WINPROC_CallProc16To32W( proc->thunk.t_from16.proc,
2582 hwnd, msg, wParam, lParam );
2583 default:
2584 WARN_(relay)("Invalid proc %p\n", proc );
2585 return 0;
2590 /**********************************************************************
2591 * CallWindowProcA (USER32.@)
2593 * The CallWindowProc() function invokes the windows procedure _func_,
2594 * with _hwnd_ as the target window, the message specified by _msg_, and
2595 * the message parameters _wParam_ and _lParam_.
2597 * Some kinds of argument conversion may be done, I'm not sure what.
2599 * CallWindowProc() may be used for windows subclassing. Use
2600 * SetWindowLong() to set a new windows procedure for windows of the
2601 * subclass, and handle subclassed messages in the new windows
2602 * procedure. The new windows procedure may then use CallWindowProc()
2603 * with _func_ set to the parent class's windows procedure to dispatch
2604 * the message to the superclass.
2606 * RETURNS
2608 * The return value is message dependent.
2610 * CONFORMANCE
2612 * ECMA-234, Win32
2614 LRESULT WINAPI CallWindowProcA(
2615 WNDPROC func, /* [in] window procedure */
2616 HWND hwnd, /* [in] target window */
2617 UINT msg, /* [in] message */
2618 WPARAM wParam, /* [in] message dependent parameter */
2619 LPARAM lParam /* [in] message dependent parameter */
2621 WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func );
2623 if (!proc) return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2625 #if testing
2626 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32A );
2627 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2628 #endif
2630 switch(proc->type)
2632 case WIN_PROC_16:
2633 if (!proc->thunk.t_from32.proc) return 0;
2634 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
2635 hwnd, msg, wParam, lParam );
2636 case WIN_PROC_32A:
2637 if (!proc->thunk.t_from16.proc) return 0;
2638 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2639 hwnd, msg, wParam, lParam );
2640 case WIN_PROC_32W:
2641 if (!proc->thunk.t_from16.proc) return 0;
2642 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
2643 hwnd, msg, wParam, lParam );
2644 default:
2645 WARN_(relay)("Invalid proc %p\n", proc );
2646 return 0;
2651 /**********************************************************************
2652 * CallWindowProcW (USER32.@)
2654 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
2655 WPARAM wParam, LPARAM lParam )
2657 WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func );
2659 if (!proc) return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2661 #if testing
2662 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32W );
2663 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2664 #endif
2666 switch(proc->type)
2668 case WIN_PROC_16:
2669 if (!proc->thunk.t_from32.proc) return 0;
2670 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
2671 hwnd, msg, wParam, lParam );
2672 case WIN_PROC_32A:
2673 if (!proc->thunk.t_from16.proc) return 0;
2674 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
2675 hwnd, msg, wParam, lParam );
2676 case WIN_PROC_32W:
2677 if (!proc->thunk.t_from16.proc) return 0;
2678 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2679 hwnd, msg, wParam, lParam );
2680 default:
2681 WARN_(relay)("Invalid proc %p\n", proc );
2682 return 0;