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If window was not resized and not moved, repaint only itself excluding
[wine.git] / windows / winproc.c
blob666cc189f9e07fb5f63a3d4daf7f75c0be7f2098
1 /*
2 * Window procedure callbacks
3 *
4 * Copyright 1995 Martin von Loewis
5 * Copyright 1996 Alexandre Julliard
6 */
7
8 #include <string.h>
9 #include "windef.h"
10 #include "wingdi.h"
11 #include "wine/winbase16.h"
12 #include "wine/winuser16.h"
13 #include "wine/winestring.h"
14 #include "stackframe.h"
15 #include "builtin16.h"
16 #include "heap.h"
17 #include "selectors.h"
18 #include "struct32.h"
19 #include "win.h"
20 #include "winproc.h"
21 #include "debugtools.h"
22 #include "spy.h"
23 #include "commctrl.h"
24 #include "task.h"
25 #include "thread.h"
26 #include "menu.h"
27
28 DECLARE_DEBUG_CHANNEL(msg)
29 DECLARE_DEBUG_CHANNEL(relay)
30 DECLARE_DEBUG_CHANNEL(win)
31
32 /* Window procedure 16-to-32-bit thunk,
33 * see BuildSpec16File() in tools/build.c */
34
35 #include "pshpack1.h"
36 typedef struct
37 {
38 WORD pushw_bp; /* pushw %bp */
39 BYTE pushl_func; /* pushl $proc */
40 WNDPROC proc;
41 WORD pushw_ax; /* pushw %ax */
42 BYTE pushl_relay; /* pushl $relay */
43 void (*relay)(); /* WINPROC_Thunk16To32A/W() */
44 BYTE lcall; /* lcall cs:glue */
45 void (*glue)(); /* CallFrom16Long */
46 WORD cs; /* __FLATCS */
47 WORD lret; /* lret $10 */
48 WORD nArgs;
49 } WINPROC_THUNK_FROM16;
50 #include "poppack.h"
51
52 /* Window procedure 32-to-16-bit thunk,
53 * see BuildSpec32File() in tools/build.c */
54
55 typedef struct
56 {
57 BYTE popl_eax; /* popl %eax (return address) */
58 BYTE pushl_func; /* pushl $proc */
59 WNDPROC16 proc WINE_PACKED;
60 BYTE pushl_eax; /* pushl %eax */
61 BYTE jmp; /* jmp relay (relative jump)*/
62 void (*relay)() WINE_PACKED; /* WINPROC_CallProc32ATo16() */
63 } WINPROC_THUNK_FROM32;
64
65 /* Simple jmp to call 32-bit procedure directly */
66 typedef struct
67 {
68 BYTE jmp; /* jmp proc (relative jump) */
69 WNDPROC proc WINE_PACKED;
70 } WINPROC_JUMP;
71
72 typedef union
73 {
74 WINPROC_THUNK_FROM16 t_from16;
75 WINPROC_THUNK_FROM32 t_from32;
76 } WINPROC_THUNK;
77
78 typedef struct tagWINDOWPROC
79 {
80 WINPROC_THUNK thunk; /* Thunk */
81 WINPROC_JUMP jmp; /* Jump */
82 struct tagWINDOWPROC *next; /* Next window proc */
83 UINT magic; /* Magic number */
84 WINDOWPROCTYPE type; /* Function type */
85 WINDOWPROCUSER user; /* Function user */
86 } WINDOWPROC;
87
88 #define WINPROC_MAGIC ('W' | ('P' << 8) | ('R' << 16) | ('C' << 24))
89
90 #define WINPROC_THUNKPROC(pproc) \
91 (((pproc)->type == WIN_PROC_16) ? \
92 (WNDPROC16)((pproc)->thunk.t_from32.proc) : \
93 (WNDPROC16)((pproc)->thunk.t_from16.proc))
94
95 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
96 UINT msg, WPARAM wParam,
97 LPARAM lParam );
98 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
99 UINT msg, WPARAM wParam,
100 LPARAM lParam );
101 static LRESULT WINAPI WINPROC_Thunk16To32A( WNDPROC func, LPBYTE args );
102 static LRESULT WINAPI WINPROC_Thunk16To32W( WNDPROC func, LPBYTE args );
103
104 static HANDLE WinProcHeap;
105
106
107 /**********************************************************************
108 * WINPROC_Init
109 */
110 BOOL WINPROC_Init(void)
111 {
112 WinProcHeap = HeapCreate( HEAP_WINE_SEGPTR | HEAP_WINE_CODESEG, 0, 0 );
113 if (!WinProcHeap)
114 {
115 WARN_(relay)("Unable to create winproc heap\n" );
116 return FALSE;
117 }
118 return TRUE;
119 }
120
121
122 #ifdef __i386__
123 /* Some window procedures modify register they shouldn't, or are not
124 * properly declared stdcall; so we need a small assembly wrapper to
125 * call them. */
126 extern LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
127 WPARAM wParam, LPARAM lParam );
128 __ASM_GLOBAL_FUNC( WINPROC_wrapper,
129 "pushl %ebp\n\t"
130 "movl %esp,%ebp\n\t"
131 "pushl %edi\n\t"
132 "pushl %esi\n\t"
133 "pushl %ebx\n\t"
134 "pushl 24(%ebp)\n\t"
135 "pushl 20(%ebp)\n\t"
136 "pushl 16(%ebp)\n\t"
137 "pushl 12(%ebp)\n\t"
138 "movl 8(%ebp),%eax\n\t"
139 "call *%eax\n\t"
140 "leal -12(%ebp),%esp\n\t"
141 "popl %ebx\n\t"
142 "popl %esi\n\t"
143 "popl %edi\n\t"
144 "leave\n\t"
145 "ret" );
146 #else
147 static inline LRESULT WINPROC_wrapper( WNDPROC proc, HWND hwnd, UINT msg,
148 WPARAM wParam, LPARAM lParam )
149 {
150 return proc( hwnd, msg, wParam, lParam );
151 }
152 #endif /* __i386__ */
153
154 /**********************************************************************
155 * WINPROC_CallWndProc32
156 *
157 * Call a 32-bit WndProc.
158 */
159 static LRESULT WINPROC_CallWndProc( WNDPROC proc, HWND hwnd, UINT msg,
160 WPARAM wParam, LPARAM lParam )
161 {
162 LRESULT retvalue;
163 int iWndsLocks;
164
165 TRACE_(relay)("(wndproc=%p,hwnd=%08x,msg=%s,wp=%08x,lp=%08lx)\n",
166 proc, hwnd, SPY_GetMsgName(msg), wParam, lParam );
167 /* To avoid any deadlocks, all the locks on the windows structures
168 must be suspended before the control is passed to the application */
169 iWndsLocks = WIN_SuspendWndsLock();
170 retvalue = WINPROC_wrapper( proc, hwnd, msg, wParam, lParam );
171 WIN_RestoreWndsLock(iWndsLocks);
172 TRACE_(relay)("(wndproc=%p,hwnd=%08x,msg=%s,wp=%08x,lp=%08lx) ret=%08lx\n",
173 proc, hwnd, SPY_GetMsgName(msg), wParam, lParam, retvalue );
174 return retvalue;
175 }
176
177 /***********************************************************************
178 * WINPROC_CallWndProc16
179 *
180 * Call a 16-bit window procedure
181 */
182 static LRESULT WINAPI WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd,
183 UINT16 msg, WPARAM16 wParam,
184 LPARAM lParam )
185 {
186 CONTEXT86 context;
187 LRESULT ret;
188 WORD *args;
189 WND *wndPtr = WIN_FindWndPtr( hwnd );
190 DWORD offset = 0;
191 TEB *teb = NtCurrentTeb();
192 int iWndsLocks;
193
194 /* Window procedures want ax = hInstance, ds = es = ss */
195
196 memset(&context, '\0', sizeof(context));
197 context.SegDs = context.SegEs = SELECTOROF(teb->cur_stack);
198 context.Eax = wndPtr ? wndPtr->hInstance : context.SegDs;
199 context.SegCs = SELECTOROF(proc);
200 context.Eip = OFFSETOF(proc);
201 context.Ebp = OFFSETOF(teb->cur_stack)
202 + (WORD)&((STACK16FRAME*)0)->bp;
203
204 WIN_ReleaseWndPtr(wndPtr);
205
206 if (lParam)
207 {
208 /* Some programs (eg. the "Undocumented Windows" examples, JWP) only
209 work if structures passed in lParam are placed in the stack/data
210 segment. Programmers easily make the mistake of converting lParam
211 to a near rather than a far pointer, since Windows apparently
212 allows this. We copy the structures to the 16 bit stack; this is
213 ugly but makes these programs work. */
214 switch (msg)
215 {
216 case WM_CREATE:
217 case WM_NCCREATE:
218 offset = sizeof(CREATESTRUCT16); break;
219 case WM_DRAWITEM:
220 offset = sizeof(DRAWITEMSTRUCT16); break;
221 case WM_COMPAREITEM:
222 offset = sizeof(COMPAREITEMSTRUCT16); break;
223 }
224 if (offset)
225 {
226 void *s = PTR_SEG_TO_LIN(lParam);
227 lParam = stack16_push( offset );
228 memcpy( PTR_SEG_TO_LIN(lParam), s, offset );
229 }
230 }
231
232 iWndsLocks = WIN_SuspendWndsLock();
233
234 args = (WORD *)THREAD_STACK16(teb) - 5;
235 args[0] = LOWORD(lParam);
236 args[1] = HIWORD(lParam);
237 args[2] = wParam;
238 args[3] = msg;
239 args[4] = hwnd;
240
241 CallTo16RegisterShort( &context, 5 * sizeof(WORD) );
242 ret = MAKELONG( LOWORD(context.Eax), LOWORD(context.Edx) );
243 if (offset) stack16_pop( offset );
244
245 WIN_RestoreWndsLock(iWndsLocks);
246
247 return ret;
248 }
249
250
251 /**********************************************************************
252 * WINPROC_GetPtr
253 *
254 * Return a pointer to the win proc.
255 */
256 static WINDOWPROC *WINPROC_GetPtr( WNDPROC16 handle )
257 {
258 BYTE *ptr;
259 WINDOWPROC *proc;
260
261 /* Check for a linear pointer */
262
263 if (HEAP_IsInsideHeap( WinProcHeap, 0, (LPVOID)handle ))
264 {
265 ptr = (BYTE *)handle;
266 /* First check if it is the jmp address */
267 if (*ptr == 0xe9 /* jmp */) ptr -= (int)&((WINDOWPROC *)0)->jmp -
268 (int)&((WINDOWPROC *)0)->thunk;
269 /* Now it must be the thunk address */
270 if (*ptr == 0x58 /* popl eax */) ptr -= (int)&((WINDOWPROC *)0)->thunk;
271 /* Now we have a pointer to the WINDOWPROC struct */
272 if (((WINDOWPROC *)ptr)->magic == WINPROC_MAGIC)
273 return (WINDOWPROC *)ptr;
274 }
275
276 /* Check for a segmented pointer */
277
278 if (!IsBadReadPtr16((SEGPTR)handle,sizeof(WINDOWPROC)-sizeof(proc->thunk)))
279 {
280 ptr = (BYTE *)PTR_SEG_TO_LIN(handle);
281 if (!HEAP_IsInsideHeap( WinProcHeap, 0, ptr )) return NULL;
282 /* It must be the thunk address */
283 if (*ptr == 0x58 /* popl eax */) ptr -= (int)&((WINDOWPROC *)0)->thunk;
284 /* Now we have a pointer to the WINDOWPROC struct */
285 if (((WINDOWPROC *)ptr)->magic == WINPROC_MAGIC)
286 return (WINDOWPROC *)ptr;
287 }
288
289 return NULL;
290 }
291
292
293 /**********************************************************************
294 * WINPROC_AllocWinProc
295 *
296 * Allocate a new window procedure.
297 */
298 static WINDOWPROC *WINPROC_AllocWinProc( WNDPROC16 func, WINDOWPROCTYPE type,
299 WINDOWPROCUSER user )
300 {
301 WINDOWPROC *proc, *oldproc;
302
303 /* Allocate a window procedure */
304
305 if (!(proc = HeapAlloc( WinProcHeap, 0, sizeof(WINDOWPROC) ))) return 0;
306
307 /* Check if the function is already a win proc */
308
309 if ((oldproc = WINPROC_GetPtr( func )))
310 {
311 *proc = *oldproc;
312 }
313 else
314 {
315 switch(type)
316 {
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 = (FARPROC)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*)CallFrom16Long;
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;
350 }
351 proc->magic = WINPROC_MAGIC;
352 proc->type = type;
353 proc->user = user;
354 }
355 proc->next = NULL;
356 TRACE_(win)("(%08x,%d): returning %08x\n",
357 (UINT)func, type, (UINT)proc );
358 return proc;
359 }
360
361
362 /**********************************************************************
363 * WINPROC_GetProc
364 *
365 * Get a window procedure pointer that can be passed to the Windows program.
366 */
367 WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type )
368 {
369 if (!proc) return NULL;
370 if (type == WIN_PROC_16) /* We want a 16:16 address */
371 {
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 );
377 }
378 else /* We want a 32-bit address */
379 {
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;
388 }
389 }
390
391
392 /**********************************************************************
393 * WINPROC_SetProc
394 *
395 * Set the window procedure for a window or class. There are
396 * three tree classes of winproc callbacks:
397 *
398 * 1) class -> wp - not subclassed
399 * class -> wp -> wp -> wp -> wp - SetClassLong()
400 * / /
401 * 2) window -' / - not subclassed
402 * window -> wp -> wp ' - SetWindowLong()
403 *
404 * 3) timer -> wp - SetTimer()
405 *
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.
411 *
412 */
413 BOOL WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func,
414 WINDOWPROCTYPE type, WINDOWPROCUSER user )
415 {
416 BOOL bRecycle = FALSE;
417 WINDOWPROC *proc, **ppPrev;
418
419 /* Check if function is already in the list */
420
421 ppPrev = (WINDOWPROC **)pFirst;
422 proc = WINPROC_GetPtr( func );
423 while (*ppPrev)
424 {
425 if (proc)
426 {
427 if (*ppPrev == proc)
428 {
429 if ((*ppPrev)->user != user)
430 {
431 /* terminal thunk is being restored */
432
433 WINPROC_FreeProc( *pFirst, (*ppPrev)->user );
434 *(WINDOWPROC **)pFirst = *ppPrev;
435 return TRUE;
436 }
437 bRecycle = TRUE;
438 break;
439 }
440 }
441 else
442 {
443 if (((*ppPrev)->type == type) &&
444 (func == WINPROC_THUNKPROC(*ppPrev)))
445 {
446 bRecycle = TRUE;
447 break;
448 }
449 }
450
451 /* WPF_CLASS thunk terminates window thunk list */
452 if ((*ppPrev)->user != user) break;
453 ppPrev = &(*ppPrev)->next;
454 }
455
456 if (bRecycle)
457 {
458 /* Extract this thunk from the list */
459 proc = *ppPrev;
460 *ppPrev = proc->next;
461 }
462 else /* Allocate a new one */
463 {
464 if (proc) /* Was already a win proc */
465 {
466 type = proc->type;
467 func = WINPROC_THUNKPROC(proc);
468 }
469 proc = WINPROC_AllocWinProc( func, type, user );
470 if (!proc) return FALSE;
471 }
472
473 /* Add the win proc at the head of the list */
474
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;
480 }
481
482
483 /**********************************************************************
484 * WINPROC_FreeProc
485 *
486 * Free a list of win procs.
487 */
488 void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user )
489 {
490 while (proc)
491 {
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;
497 }
498 }
499
500
501 /**********************************************************************
502 * WINPROC_GetProcType
503 *
504 * Return the window procedure type.
505 */
506 WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc )
507 {
508 if (!proc ||
509 (((WINDOWPROC *)proc)->magic != WINPROC_MAGIC))
510 return WIN_PROC_INVALID;
511 return ((WINDOWPROC *)proc)->type;
512 }
513 /**********************************************************************
514 * WINPROC_TestCBForStr
515 *
516 * Return TRUE if the lparam is a string
517 */
518 static BOOL WINPROC_TestCBForStr ( HWND hwnd )
519 {
520 BOOL retvalue;
521 WND * wnd = WIN_FindWndPtr(hwnd);
522 retvalue = ( !(LOWORD(wnd->dwStyle) & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) ||
523 (LOWORD(wnd->dwStyle) & CBS_HASSTRINGS) );
524 WIN_ReleaseWndPtr(wnd);
525 return retvalue;
526 }
527 /**********************************************************************
528 * WINPROC_TestLBForStr
529 *
530 * Return TRUE if the lparam is a string
531 */
532 static BOOL WINPROC_TestLBForStr ( HWND hwnd )
533 {
534 BOOL retvalue;
535 WND * wnd = WIN_FindWndPtr(hwnd);
536 retvalue = ( !(LOWORD(wnd->dwStyle) & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) ||
537 (LOWORD(wnd->dwStyle) & LBS_HASSTRINGS) );
538 WIN_ReleaseWndPtr(wnd);
539 return retvalue;
540
541 }
542 /**********************************************************************
543 * WINPROC_MapMsg32ATo32W
544 *
545 * Map a message from Ansi to Unicode.
546 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
547 *
548 * FIXME:
549 * WM_CHAR, WM_CHARTOITEM, WM_DEADCHAR, WM_MENUCHAR, WM_SYSCHAR, WM_SYSDEADCHAR
550 *
551 * FIXME:
552 * WM_GETTEXT/WM_SETTEXT and static control with SS_ICON style:
553 * the first four bytes are the handle of the icon
554 * when the WM_SETTEXT message has been used to set the icon
555 */
556 INT WINPROC_MapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM *plparam )
557 {
558 switch(msg)
559 {
560 case WM_GETTEXT:
561 {
562 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
563 wParam * sizeof(WCHAR) + sizeof(LPARAM) );
564 if (!ptr) return -1;
565 *ptr++ = *plparam; /* Store previous lParam */
566 *plparam = (LPARAM)ptr;
567 }
568 return 1;
569 /* lparam is string (0-terminated) */
570 case WM_SETTEXT:
571 case WM_WININICHANGE:
572 case CB_DIR:
573 case CB_FINDSTRING:
574 case CB_FINDSTRINGEXACT:
575 case CB_SELECTSTRING:
576 case LB_DIR:
577 case LB_ADDFILE:
578 case LB_FINDSTRING:
579 case LB_SELECTSTRING:
580 case EM_REPLACESEL:
581 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
582 return (*plparam ? 1 : -1);
583
584 case WM_NCCREATE:
585 case WM_CREATE:
586 {
587 struct s
588 { CREATESTRUCTW cs; /* new structure */
589 LPCWSTR lpszName; /* allocated Name */
590 LPCWSTR lpszClass; /* allocated Class */
591 };
592
593 struct s *xs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct s));
594 if (!xs) return -1;
595 xs->cs = *(CREATESTRUCTW *)*plparam;
596 if (HIWORD(xs->cs.lpszName))
597 xs->lpszName = xs->cs.lpszName = HEAP_strdupAtoW( GetProcessHeap(), 0,
598 (LPCSTR)xs->cs.lpszName );
599 if (HIWORD(xs->cs.lpszClass))
600 xs->lpszClass = xs->cs.lpszClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
601 (LPCSTR)xs->cs.lpszClass );
602 *plparam = (LPARAM)xs;
603 }
604 return 1;
605 case WM_MDICREATE:
606 {
607 MDICREATESTRUCTW *cs =
608 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
609 if (!cs) return -1;
610 *cs = *(MDICREATESTRUCTW *)*plparam;
611 if (HIWORD(cs->szClass))
612 cs->szClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
613 (LPCSTR)cs->szClass );
614 if (HIWORD(cs->szTitle))
615 cs->szTitle = HEAP_strdupAtoW( GetProcessHeap(), 0,
616 (LPCSTR)cs->szTitle );
617 *plparam = (LPARAM)cs;
618 }
619 return 1;
620
621 /* Listbox */
622 case LB_ADDSTRING:
623 case LB_INSERTSTRING:
624 if ( WINPROC_TestLBForStr( hwnd ))
625 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
626 return (*plparam ? 1 : -1);
627
628 case LB_GETTEXT: /* fixme: fixed sized buffer */
629 { if ( WINPROC_TestLBForStr( hwnd ))
630 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
631 if (!ptr) return -1;
632 *ptr++ = *plparam; /* Store previous lParam */
633 *plparam = (LPARAM)ptr;
634 }
635 }
636 return 1;
637
638 /* Combobox */
639 case CB_ADDSTRING:
640 case CB_INSERTSTRING:
641 if ( WINPROC_TestCBForStr( hwnd ))
642 *plparam = (LPARAM)HEAP_strdupAtoW( GetProcessHeap(), 0, (LPCSTR)*plparam );
643 return (*plparam ? 1 : -1);
644
645 case CB_GETLBTEXT: /* fixme: fixed sized buffer */
646 { if ( WINPROC_TestCBForStr( hwnd ))
647 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 * sizeof(WCHAR) + sizeof(LPARAM) );
648 if (!ptr) return -1;
649 *ptr++ = *plparam; /* Store previous lParam */
650 *plparam = (LPARAM)ptr;
651 }
652 }
653 return 1;
654
655 /* Multiline edit */
656 case EM_GETLINE:
657 { WORD len = (WORD)*plparam;
658 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(WCHAR) );
659 if (!ptr) return -1;
660 *ptr++ = *plparam; /* Store previous lParam */
661 *((WORD *) ptr) = len; /* Store the length */
662 *plparam = (LPARAM)ptr;
663 }
664 return 1;
665
666 case WM_ASKCBFORMATNAME:
667 case WM_DEVMODECHANGE:
668 case WM_PAINTCLIPBOARD:
669 case WM_SIZECLIPBOARD:
670 case EM_SETPASSWORDCHAR:
671 FIXME_(msg)("message %s (0x%x) needs translation, please report\n", SPY_GetMsgName(msg), msg );
672 return -1;
673 default: /* No translation needed */
674 return 0;
675 }
676 }
677
678
679 /**********************************************************************
680 * WINPROC_UnmapMsg32ATo32W
681 *
682 * Unmap a message that was mapped from Ansi to Unicode.
683 */
684 void WINPROC_UnmapMsg32ATo32W( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
685 {
686 switch(msg)
687 {
688 case WM_GETTEXT:
689 {
690 LPARAM *ptr = (LPARAM *)lParam - 1;
691 lstrcpynWtoA( (LPSTR)*ptr, (LPWSTR)lParam, wParam );
692 HeapFree( GetProcessHeap(), 0, ptr );
693 }
694 break;
695
696 case WM_NCCREATE:
697 case WM_CREATE:
698 {
699 struct s
700 { CREATESTRUCTW cs; /* new structure */
701 LPWSTR lpszName; /* allocated Name */
702 LPWSTR lpszClass; /* allocated Class */
703 };
704 struct s *xs = (struct s *)lParam;
705 if (xs->lpszName) HeapFree( GetProcessHeap(), 0, xs->lpszName );
706 if (xs->lpszClass) HeapFree( GetProcessHeap(), 0, xs->lpszClass );
707 HeapFree( GetProcessHeap(), 0, xs );
708 }
709 break;
710
711 case WM_MDICREATE:
712 {
713 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
714 if (HIWORD(cs->szTitle))
715 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
716 if (HIWORD(cs->szClass))
717 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
718 HeapFree( GetProcessHeap(), 0, cs );
719 }
720 break;
721
722 case WM_SETTEXT:
723 case WM_WININICHANGE:
724 case CB_DIR:
725 case CB_FINDSTRING:
726 case CB_FINDSTRINGEXACT:
727 case CB_SELECTSTRING:
728 case LB_DIR:
729 case LB_ADDFILE:
730 case LB_FINDSTRING:
731 case LB_SELECTSTRING:
732 case EM_REPLACESEL:
733 HeapFree( GetProcessHeap(), 0, (void *)lParam );
734 break;
735
736 /* Listbox */
737 case LB_ADDSTRING:
738 case LB_INSERTSTRING:
739 if ( WINPROC_TestLBForStr( hwnd ))
740 HeapFree( GetProcessHeap(), 0, (void *)lParam );
741 break;
742
743 case LB_GETTEXT:
744 { if ( WINPROC_TestLBForStr( hwnd ))
745 { LPARAM *ptr = (LPARAM *)lParam - 1;
746 lstrcpyWtoA( (LPSTR)*ptr, (LPWSTR)(lParam) );
747 HeapFree( GetProcessHeap(), 0, ptr );
748 }
749 }
750 break;
751
752 /* Combobox */
753 case CB_ADDSTRING:
754 case CB_INSERTSTRING:
755 if ( WINPROC_TestCBForStr( hwnd ))
756 HeapFree( GetProcessHeap(), 0, (void *)lParam );
757 break;
758
759 case CB_GETLBTEXT:
760 { if ( WINPROC_TestCBForStr( hwnd ))
761 { LPARAM *ptr = (LPARAM *)lParam - 1;
762 lstrcpyWtoA( (LPSTR)*ptr, (LPWSTR)(lParam) );
763 HeapFree( GetProcessHeap(), 0, ptr );
764 }
765 }
766 break;
767
768 /* Multiline edit */
769 case EM_GETLINE:
770 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lParam */
771 WORD len = *(WORD *) lParam;
772 lstrcpynWtoA( (LPSTR)*ptr , (LPWSTR)lParam, len );
773 HeapFree( GetProcessHeap(), 0, ptr );
774 }
775 break;
776 }
777 }
778
779
780 /**********************************************************************
781 * WINPROC_MapMsg32WTo32A
782 *
783 * Map a message from Unicode to Ansi.
784 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
785 */
786 INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM *plparam )
787 { switch(msg)
788 {
789 case WM_GETTEXT:
790 {
791 LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0,
792 wParam + sizeof(LPARAM) );
793 if (!ptr) return -1;
794 *ptr++ = *plparam; /* Store previous lParam */
795 *plparam = (LPARAM)ptr;
796 }
797 return 1;
798
799 case WM_SETTEXT:
800 case WM_WININICHANGE:
801 case CB_DIR:
802 case CB_FINDSTRING:
803 case CB_FINDSTRINGEXACT:
804 case CB_SELECTSTRING:
805 case LB_DIR:
806 case LB_ADDFILE:
807 case LB_FINDSTRING:
808 case LB_SELECTSTRING:
809 case EM_REPLACESEL:
810 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
811 return (*plparam ? 1 : -1);
812
813 case WM_NCCREATE:
814 case WM_CREATE:
815 {
816 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
817 sizeof(*cs) );
818 if (!cs) return -1;
819 *cs = *(CREATESTRUCTA *)*plparam;
820 if (HIWORD(cs->lpszName))
821 cs->lpszName = HEAP_strdupWtoA( GetProcessHeap(), 0,
822 (LPCWSTR)cs->lpszName );
823 if (HIWORD(cs->lpszClass))
824 cs->lpszClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
825 (LPCWSTR)cs->lpszClass);
826 *plparam = (LPARAM)cs;
827 }
828 return 1;
829 case WM_MDICREATE:
830 {
831 MDICREATESTRUCTA *cs =
832 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0, sizeof(*cs) );
833 if (!cs) return -1;
834 *cs = *(MDICREATESTRUCTA *)*plparam;
835 if (HIWORD(cs->szTitle))
836 cs->szTitle = HEAP_strdupWtoA( GetProcessHeap(), 0,
837 (LPCWSTR)cs->szTitle );
838 if (HIWORD(cs->szClass))
839 cs->szClass = HEAP_strdupWtoA( GetProcessHeap(), 0,
840 (LPCWSTR)cs->szClass );
841 *plparam = (LPARAM)cs;
842 }
843 return 1;
844
845 /* Listbox */
846 case LB_ADDSTRING:
847 case LB_INSERTSTRING:
848 if ( WINPROC_TestLBForStr( hwnd ))
849 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
850 return (*plparam ? 1 : -1);
851
852 case LB_GETTEXT: /* fixme: fixed sized buffer */
853 { if ( WINPROC_TestLBForStr( hwnd ))
854 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
855 if (!ptr) return -1;
856 *ptr++ = *plparam; /* Store previous lParam */
857 *plparam = (LPARAM)ptr;
858 }
859 }
860 return 1;
861
862 /* Combobox */
863 case CB_ADDSTRING:
864 case CB_INSERTSTRING:
865 if ( WINPROC_TestCBForStr( hwnd ))
866 *plparam = (LPARAM)HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)*plparam );
867 return (*plparam ? 1 : -1);
868
869 case CB_GETLBTEXT: /* fixme: fixed sized buffer */
870 { if ( WINPROC_TestCBForStr( hwnd ))
871 { LPARAM *ptr = (LPARAM *)HeapAlloc( GetProcessHeap(), 0, 256 + sizeof(LPARAM) );
872 if (!ptr) return -1;
873 *ptr++ = *plparam; /* Store previous lParam */
874 *plparam = (LPARAM)ptr;
875 }
876 }
877 return 1;
878
879 /* Multiline edit */
880 case EM_GETLINE:
881 { WORD len = (WORD)*plparam;
882 LPARAM *ptr = (LPARAM *) HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
883 if (!ptr) return -1;
884 *ptr++ = *plparam; /* Store previous lParam */
885 *((WORD *) ptr) = len; /* Store the length */
886 *plparam = (LPARAM)ptr;
887 }
888 return 1;
889
890 case WM_ASKCBFORMATNAME:
891 case WM_DEVMODECHANGE:
892 case WM_PAINTCLIPBOARD:
893 case WM_SIZECLIPBOARD:
894 case EM_SETPASSWORDCHAR:
895 FIXME_(msg)("message %s (%04x) needs translation, please report\n",SPY_GetMsgName(msg),msg );
896 return -1;
897 default: /* No translation needed */
898 return 0;
899 }
900 }
901
902
903 /**********************************************************************
904 * WINPROC_UnmapMsg32WTo32A
905 *
906 * Unmap a message that was mapped from Unicode to Ansi.
907 */
908 void WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
909 {
910 switch(msg)
911 {
912 case WM_GETTEXT:
913 {
914 LPARAM *ptr = (LPARAM *)lParam - 1;
915 lstrcpynAtoW( (LPWSTR)*ptr, (LPSTR)lParam, wParam );
916 HeapFree( GetProcessHeap(), 0, ptr );
917 }
918 break;
919
920 case WM_SETTEXT:
921 case WM_WININICHANGE:
922 case CB_DIR:
923 case CB_FINDSTRING:
924 case CB_FINDSTRINGEXACT:
925 case CB_SELECTSTRING:
926 case LB_DIR:
927 case LB_ADDFILE:
928 case LB_FINDSTRING:
929 case LB_SELECTSTRING:
930 case EM_REPLACESEL:
931 HeapFree( GetProcessHeap(), 0, (void *)lParam );
932 break;
933
934 case WM_NCCREATE:
935 case WM_CREATE:
936 {
937 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
938 if (HIWORD(cs->lpszName))
939 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
940 if (HIWORD(cs->lpszClass))
941 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
942 HeapFree( GetProcessHeap(), 0, cs );
943 }
944 break;
945
946 case WM_MDICREATE:
947 {
948 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
949 if (HIWORD(cs->szTitle))
950 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
951 if (HIWORD(cs->szClass))
952 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
953 HeapFree( GetProcessHeap(), 0, cs );
954 }
955 break;
956
957 /* Listbox */
958 case LB_ADDSTRING:
959 case LB_INSERTSTRING:
960 if ( WINPROC_TestLBForStr( hwnd ))
961 HeapFree( GetProcessHeap(), 0, (void *)lParam );
962 break;
963
964 case LB_GETTEXT:
965 { if ( WINPROC_TestLBForStr( hwnd ))
966 { LPARAM *ptr = (LPARAM *)lParam - 1;
967 lstrcpyAtoW( (LPWSTR)*ptr, (LPSTR)(lParam) );
968 HeapFree( GetProcessHeap(), 0, ptr );
969 }
970 }
971 break;
972
973 /* Combobox */
974 case CB_ADDSTRING:
975 case CB_INSERTSTRING:
976 if ( WINPROC_TestCBForStr( hwnd ))
977 HeapFree( GetProcessHeap(), 0, (void *)lParam );
978 break;
979
980 case CB_GETLBTEXT:
981 { if ( WINPROC_TestCBForStr( hwnd ))
982 { LPARAM *ptr = (LPARAM *)lParam - 1;
983 lstrcpyAtoW( (LPWSTR)*ptr, (LPSTR)(lParam) );
984 HeapFree( GetProcessHeap(), 0, ptr );
985 }
986 }
987 break;
988
989 /* Multiline edit */
990 case EM_GETLINE:
991 { LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
992 WORD len = *(WORD *)ptr;
993 lstrcpynAtoW( (LPWSTR) *ptr, (LPSTR)lParam, len );
994 HeapFree( GetProcessHeap(), 0, ptr );
995 }
996 break;
997 }
998 }
999
1000
1001 /**********************************************************************
1002 * WINPROC_MapMsg16To32A
1003 *
1004 * Map a message from 16- to 32-bit Ansi.
1005 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1006 */
1007 INT WINPROC_MapMsg16To32A( UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1008 WPARAM *pwparam32, LPARAM *plparam )
1009 {
1010 *pmsg32 = (UINT)msg16;
1011 *pwparam32 = (WPARAM)wParam16;
1012 switch(msg16)
1013 {
1014 case WM_ACTIVATE:
1015 case WM_CHARTOITEM:
1016 case WM_COMMAND:
1017 case WM_VKEYTOITEM:
1018 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1019 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1020 return 0;
1021 case WM_HSCROLL:
1022 case WM_VSCROLL:
1023 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1024 *plparam = (LPARAM)(HWND)HIWORD(*plparam);
1025 return 0;
1026 case WM_CTLCOLOR:
1027 if ( HIWORD(*plparam) > CTLCOLOR_STATIC ) return -1;
1028 *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam);
1029 *pwparam32 = (WPARAM)(HDC)wParam16;
1030 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1031 return 0;
1032 case WM_COMPAREITEM:
1033 {
1034 COMPAREITEMSTRUCT16* cis16 = (COMPAREITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1035 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)
1036 HeapAlloc(GetProcessHeap(), 0, sizeof(*cis));
1037 if (!cis) return -1;
1038 cis->CtlType = cis16->CtlType;
1039 cis->CtlID = cis16->CtlID;
1040 cis->hwndItem = cis16->hwndItem;
1041 cis->itemID1 = cis16->itemID1;
1042 cis->itemData1 = cis16->itemData1;
1043 cis->itemID2 = cis16->itemID2;
1044 cis->itemData2 = cis16->itemData2;
1045 cis->dwLocaleId = 0; /* FIXME */
1046 *plparam = (LPARAM)cis;
1047 }
1048 return 1;
1049 case WM_DELETEITEM:
1050 {
1051 DELETEITEMSTRUCT16* dis16 = (DELETEITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1052 DELETEITEMSTRUCT *dis = (DELETEITEMSTRUCT *)
1053 HeapAlloc(GetProcessHeap(), 0, sizeof(*dis));
1054 if (!dis) return -1;
1055 dis->CtlType = dis16->CtlType;
1056 dis->CtlID = dis16->CtlID;
1057 dis->hwndItem = dis16->hwndItem;
1058 dis->itemData = dis16->itemData;
1059 *plparam = (LPARAM)dis;
1060 }
1061 return 1;
1062 case WM_MEASUREITEM:
1063 {
1064 MEASUREITEMSTRUCT16* mis16 = (MEASUREITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1065 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)
1066 HeapAlloc(GetProcessHeap(), 0,
1067 sizeof(*mis) + sizeof(LPARAM));
1068 if (!mis) return -1;
1069 mis->CtlType = mis16->CtlType;
1070 mis->CtlID = mis16->CtlID;
1071 mis->itemID = mis16->itemID;
1072 mis->itemWidth = mis16->itemWidth;
1073 mis->itemHeight = mis16->itemHeight;
1074 mis->itemData = mis16->itemData;
1075 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1076 *plparam = (LPARAM)mis;
1077 }
1078 return 1;
1079 case WM_DRAWITEM:
1080 {
1081 DRAWITEMSTRUCT16* dis16 = (DRAWITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1082 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT*)HeapAlloc(GetProcessHeap(), 0,
1083 sizeof(*dis));
1084 if (!dis) return -1;
1085 dis->CtlType = dis16->CtlType;
1086 dis->CtlID = dis16->CtlID;
1087 dis->itemID = dis16->itemID;
1088 dis->itemAction = dis16->itemAction;
1089 dis->itemState = dis16->itemState;
1090 dis->hwndItem = dis16->hwndItem;
1091 dis->hDC = dis16->hDC;
1092 dis->itemData = dis16->itemData;
1093 CONV_RECT16TO32( &dis16->rcItem, &dis->rcItem );
1094 *plparam = (LPARAM)dis;
1095 }
1096 return 1;
1097 case WM_GETMINMAXINFO:
1098 {
1099 MINMAXINFO *mmi = (MINMAXINFO *)HeapAlloc( GetProcessHeap(), 0,
1100 sizeof(*mmi) + sizeof(LPARAM));
1101 if (!mmi) return -1;
1102 STRUCT32_MINMAXINFO16to32( (MINMAXINFO16*)PTR_SEG_TO_LIN(*plparam),
1103 mmi );
1104 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1105 *plparam = (LPARAM)mmi;
1106 }
1107 return 1;
1108 case WM_GETTEXT:
1109 case WM_SETTEXT:
1110 *plparam = (LPARAM)PTR_SEG_TO_LIN(*plparam);
1111 return 0;
1112 case WM_MDICREATE:
1113 {
1114 MDICREATESTRUCT16 *cs16 =
1115 (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1116 MDICREATESTRUCTA *cs =
1117 (MDICREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1118 sizeof(*cs) + sizeof(LPARAM) );
1119 if (!cs) return -1;
1120 STRUCT32_MDICREATESTRUCT16to32A( cs16, cs );
1121 cs->szTitle = (LPCSTR)PTR_SEG_TO_LIN(cs16->szTitle);
1122 cs->szClass = (LPCSTR)PTR_SEG_TO_LIN(cs16->szClass);
1123 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1124 *plparam = (LPARAM)cs;
1125 }
1126 return 1;
1127 case WM_MDIGETACTIVE:
1128 *plparam = (LPARAM)HeapAlloc( GetProcessHeap(), 0, sizeof(BOOL) );
1129 *(BOOL*)(*plparam) = 0;
1130 return 1;
1131 case WM_MDISETMENU:
1132 if(wParam16==TRUE)
1133 *pmsg32=WM_MDIREFRESHMENU;
1134 *pwparam32 = (WPARAM)(HMENU)LOWORD(*plparam);
1135 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1136 return 0;
1137 case WM_MENUCHAR:
1138 *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1139 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1140 return 0;
1141 case WM_MENUSELECT:
1142 if((LOWORD(*plparam) & MF_POPUP) && (LOWORD(*plparam) != 0xFFFF))
1143 {
1144 HMENU hmenu=(HMENU)HIWORD(*plparam);
1145 UINT Pos=MENU_FindSubMenu( &hmenu, wParam16);
1146 if(Pos==0xFFFF) Pos=0; /* NO_SELECTED_ITEM */
1147 *pwparam32 = MAKEWPARAM( Pos, LOWORD(*plparam) );
1148 }
1149 else *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) );
1150 *plparam = (LPARAM)(HMENU)HIWORD(*plparam);
1151 return 0;
1152 case WM_MDIACTIVATE:
1153 if( *plparam )
1154 {
1155 *pwparam32 = (WPARAM)(HWND)HIWORD(*plparam);
1156 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1157 }
1158 else /* message sent to MDI client */
1159 *pwparam32 = wParam16;
1160 return 0;
1161 case WM_NCCALCSIZE:
1162 {
1163 NCCALCSIZE_PARAMS16 *nc16;
1164 NCCALCSIZE_PARAMS *nc;
1165
1166 nc = (NCCALCSIZE_PARAMS *)HeapAlloc( GetProcessHeap(), 0,
1167 sizeof(*nc) + sizeof(LPARAM) );
1168 if (!nc) return -1;
1169 nc16 = (NCCALCSIZE_PARAMS16 *)PTR_SEG_TO_LIN(*plparam);
1170 CONV_RECT16TO32( &nc16->rgrc[0], &nc->rgrc[0] );
1171 if (wParam16)
1172 {
1173 nc->lppos = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1174 sizeof(*nc->lppos) );
1175 CONV_RECT16TO32( &nc16->rgrc[1], &nc->rgrc[1] );
1176 CONV_RECT16TO32( &nc16->rgrc[2], &nc->rgrc[2] );
1177 if (nc->lppos) STRUCT32_WINDOWPOS16to32( (WINDOWPOS16 *)PTR_SEG_TO_LIN(nc16->lppos), nc->lppos );
1178 }
1179 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1180 *plparam = (LPARAM)nc;
1181 }
1182 return 1;
1183 case WM_NCCREATE:
1184 case WM_CREATE:
1185 {
1186 CREATESTRUCT16 *cs16 = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1187 CREATESTRUCTA *cs = (CREATESTRUCTA *)HeapAlloc( GetProcessHeap(), 0,
1188 sizeof(*cs) + sizeof(LPARAM) );
1189 if (!cs) return -1;
1190 STRUCT32_CREATESTRUCT16to32A( cs16, cs );
1191 cs->lpszName = (LPCSTR)PTR_SEG_TO_LIN(cs16->lpszName);
1192 cs->lpszClass = (LPCSTR)PTR_SEG_TO_LIN(cs16->lpszClass);
1193 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1194 *plparam = (LPARAM)cs;
1195 }
1196 return 1;
1197 case WM_PARENTNOTIFY:
1198 if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY))
1199 {
1200 *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) );
1201 *plparam = (LPARAM)(HWND)LOWORD(*plparam);
1202 }
1203 return 0;
1204 case WM_WINDOWPOSCHANGING:
1205 case WM_WINDOWPOSCHANGED:
1206 {
1207 WINDOWPOS *wp = (WINDOWPOS *)HeapAlloc( GetProcessHeap(), 0,
1208 sizeof(*wp) + sizeof(LPARAM) );
1209 if (!wp) return -1;
1210 STRUCT32_WINDOWPOS16to32( (WINDOWPOS16 *)PTR_SEG_TO_LIN(*plparam),
1211 wp );
1212 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1213 *plparam = (LPARAM)wp;
1214 }
1215 return 1;
1216 case WM_GETDLGCODE:
1217 if (*plparam)
1218 {
1219 LPMSG16 msg16 = (LPMSG16)PTR_SEG_TO_LIN(*plparam);
1220 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1221
1222 if (!msg32) return -1;
1223 msg32->hwnd = msg16->hwnd;
1224 msg32->lParam = msg16->lParam;
1225 msg32->time = msg16->time;
1226 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1227 /* this is right, right? */
1228 if (WINPROC_MapMsg16To32A(msg16->message,msg16->wParam,
1229 &msg32->message,&msg32->wParam,
1230 &msg32->lParam)<0) {
1231 HeapFree( GetProcessHeap(), 0, msg32 );
1232 return -1;
1233 }
1234 *plparam = (LPARAM)msg32;
1235 return 1;
1236 }
1237 else return 0;
1238 case WM_NOTIFY:
1239 *plparam = (LPARAM)PTR_SEG_TO_LIN(*plparam);
1240 return 1;
1241 case WM_ACTIVATEAPP:
1242 if (*plparam)
1243 { /* We need this when SetActiveWindow sends a Sendmessage16() to
1244 a 32bit window. Might be superflous with 32bit interprocess
1245 message queues.
1246 */
1247 HTASK16 htask = (HTASK16) *plparam;
1248 DWORD idThread = (DWORD)((TDB*)GlobalLock16(htask))->teb->tid;
1249 *plparam = (LPARAM) idThread;
1250 }
1251 return 1;
1252 case WM_ASKCBFORMATNAME:
1253 case WM_DEVMODECHANGE:
1254 case WM_PAINTCLIPBOARD:
1255 case WM_SIZECLIPBOARD:
1256 case WM_WININICHANGE:
1257 FIXME_(msg)("message %04x needs translation\n",msg16 );
1258 return -1;
1259
1260 default: /* No translation needed */
1261 return 0;
1262 }
1263 }
1264
1265
1266 /**********************************************************************
1267 * WINPROC_UnmapMsg16To32A
1268 *
1269 * Unmap a message that was mapped from 16- to 32-bit Ansi.
1270 */
1271 LRESULT WINPROC_UnmapMsg16To32A( HWND16 hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1272 LRESULT result )
1273 {
1274 switch(msg)
1275 {
1276 case WM_COMPAREITEM:
1277 case WM_DELETEITEM:
1278 case WM_DRAWITEM:
1279 HeapFree( GetProcessHeap(), 0, (LPVOID)lParam );
1280 break;
1281 case WM_MEASUREITEM:
1282 {
1283 MEASUREITEMSTRUCT16 *mis16;
1284 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lParam;
1285 lParam = *(LPARAM *)(mis + 1);
1286 mis16 = (MEASUREITEMSTRUCT16 *)PTR_SEG_TO_LIN(lParam);
1287 mis16->itemWidth = (UINT16)mis->itemWidth;
1288 mis16->itemHeight = (UINT16)mis->itemHeight;
1289 HeapFree( GetProcessHeap(), 0, mis );
1290 }
1291 break;
1292 case WM_GETMINMAXINFO:
1293 {
1294 MINMAXINFO *mmi = (MINMAXINFO *)lParam;
1295 lParam = *(LPARAM *)(mmi + 1);
1296 STRUCT32_MINMAXINFO32to16( mmi,
1297 (MINMAXINFO16 *)PTR_SEG_TO_LIN(lParam));
1298 HeapFree( GetProcessHeap(), 0, mmi );
1299 }
1300 break;
1301 case WM_MDICREATE:
1302 {
1303 MDICREATESTRUCTA *cs = (MDICREATESTRUCTA *)lParam;
1304 lParam = *(LPARAM *)(cs + 1);
1305 STRUCT32_MDICREATESTRUCT32Ato16( cs,
1306 (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) );
1307 HeapFree( GetProcessHeap(), 0, cs );
1308 }
1309 break;
1310 case WM_MDIGETACTIVE:
1311 result = MAKELONG( LOWORD(result), (BOOL16)(*(BOOL *)lParam) );
1312 HeapFree( GetProcessHeap(), 0, (BOOL *)lParam );
1313 break;
1314 case WM_NCCALCSIZE:
1315 {
1316 NCCALCSIZE_PARAMS16 *nc16;
1317 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lParam;
1318 lParam = *(LPARAM *)(nc + 1);
1319 nc16 = (NCCALCSIZE_PARAMS16 *)PTR_SEG_TO_LIN(lParam);
1320 CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] );
1321 if (wParam)
1322 {
1323 CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] );
1324 CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] );
1325 if (nc->lppos)
1326 {
1327 STRUCT32_WINDOWPOS32to16( nc->lppos,
1328 (WINDOWPOS16 *)PTR_SEG_TO_LIN(nc16->lppos));
1329 HeapFree( GetProcessHeap(), 0, nc->lppos );
1330 }
1331 }
1332 HeapFree( GetProcessHeap(), 0, nc );
1333 }
1334 break;
1335 case WM_NCCREATE:
1336 case WM_CREATE:
1337 {
1338 CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
1339 lParam = *(LPARAM *)(cs + 1);
1340 STRUCT32_CREATESTRUCT32Ato16( cs,
1341 (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) );
1342 HeapFree( GetProcessHeap(), 0, cs );
1343 }
1344 break;
1345 case WM_WINDOWPOSCHANGING:
1346 case WM_WINDOWPOSCHANGED:
1347 {
1348 WINDOWPOS *wp = (WINDOWPOS *)lParam;
1349 lParam = *(LPARAM *)(wp + 1);
1350 STRUCT32_WINDOWPOS32to16(wp,(WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam));
1351 HeapFree( GetProcessHeap(), 0, wp );
1352 }
1353 break;
1354 case WM_GETDLGCODE:
1355 if (lParam)
1356 {
1357 LPMSG msg32 = (LPMSG)lParam;
1358
1359 WINPROC_UnmapMsg16To32A( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1360 result);
1361 HeapFree( GetProcessHeap(), 0, msg32 );
1362 }
1363 break;
1364 }
1365 return result;
1366 }
1367
1368
1369 /**********************************************************************
1370 * WINPROC_MapMsg16To32W
1371 *
1372 * Map a message from 16- to 32-bit Unicode.
1373 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1374 */
1375 INT WINPROC_MapMsg16To32W( HWND16 hwnd, UINT16 msg16, WPARAM16 wParam16, UINT *pmsg32,
1376 WPARAM *pwparam32, LPARAM *plparam )
1377 {
1378 switch(msg16)
1379 {
1380 case WM_GETTEXT:
1381 case WM_SETTEXT:
1382 *plparam = (LPARAM)PTR_SEG_TO_LIN(*plparam);
1383 return WINPROC_MapMsg32ATo32W( hwnd, *pmsg32, *pwparam32, plparam );
1384 case WM_NCCREATE:
1385 case WM_CREATE:
1386 {
1387 CREATESTRUCT16 *cs16 = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1388 CREATESTRUCTW *cs = (CREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1389 sizeof(*cs) + sizeof(LPARAM) );
1390 if (!cs) return -1;
1391 STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCTA *)cs );
1392 cs->lpszName = (LPCWSTR)PTR_SEG_TO_LIN(cs16->lpszName);
1393 cs->lpszClass = (LPCWSTR)PTR_SEG_TO_LIN(cs16->lpszClass);
1394 if (HIWORD(cs->lpszName))
1395 cs->lpszName = HEAP_strdupAtoW( GetProcessHeap(), 0,
1396 (LPCSTR)cs->lpszName );
1397 if (HIWORD(cs->lpszClass))
1398 cs->lpszClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
1399 (LPCSTR)cs->lpszClass );
1400 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1401 *plparam = (LPARAM)cs;
1402 }
1403 return 1;
1404 case WM_MDICREATE:
1405 {
1406 MDICREATESTRUCT16 *cs16 =
1407 (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam);
1408 MDICREATESTRUCTW *cs =
1409 (MDICREATESTRUCTW *)HeapAlloc( GetProcessHeap(), 0,
1410 sizeof(*cs) + sizeof(LPARAM) );
1411 if (!cs) return -1;
1412 STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCTA *)cs );
1413 cs->szTitle = (LPCWSTR)PTR_SEG_TO_LIN(cs16->szTitle);
1414 cs->szClass = (LPCWSTR)PTR_SEG_TO_LIN(cs16->szClass);
1415 if (HIWORD(cs->szTitle))
1416 cs->szTitle = HEAP_strdupAtoW( GetProcessHeap(), 0,
1417 (LPCSTR)cs->szTitle );
1418 if (HIWORD(cs->szClass))
1419 cs->szClass = HEAP_strdupAtoW( GetProcessHeap(), 0,
1420 (LPCSTR)cs->szClass );
1421 *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */
1422 *plparam = (LPARAM)cs;
1423 }
1424 return 1;
1425 case WM_GETDLGCODE:
1426 if (*plparam)
1427 {
1428 LPMSG16 msg16 = (LPMSG16)PTR_SEG_TO_LIN(*plparam);
1429 LPMSG msg32 = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
1430
1431 if (!msg32) return -1;
1432 msg32->hwnd = msg16->hwnd;
1433 msg32->lParam = msg16->lParam;
1434 msg32->time = msg16->time;
1435 CONV_POINT16TO32(&msg16->pt,&msg32->pt);
1436 /* this is right, right? */
1437 if (WINPROC_MapMsg16To32W(hwnd, msg16->message,msg16->wParam,
1438 &msg32->message,&msg32->wParam,
1439 &msg32->lParam)<0) {
1440 HeapFree( GetProcessHeap(), 0, msg32 );
1441 return -1;
1442 }
1443 *plparam = (LPARAM)msg32;
1444 return 1;
1445 }
1446 else return 0;
1447 default: /* No Unicode translation needed */
1448 return WINPROC_MapMsg16To32A( msg16, wParam16, pmsg32,
1449 pwparam32, plparam );
1450 }
1451 }
1452
1453
1454 /**********************************************************************
1455 * WINPROC_UnmapMsg16To32W
1456 *
1457 * Unmap a message that was mapped from 16- to 32-bit Unicode.
1458 */
1459 LRESULT WINPROC_UnmapMsg16To32W( HWND16 hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1460 LRESULT result )
1461 {
1462 switch(msg)
1463 {
1464 case WM_GETTEXT:
1465 case WM_SETTEXT:
1466 WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam );
1467 break;
1468 case WM_NCCREATE:
1469 case WM_CREATE:
1470 {
1471 CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
1472 lParam = *(LPARAM *)(cs + 1);
1473 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs,
1474 (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) );
1475 if (HIWORD(cs->lpszName))
1476 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszName );
1477 if (HIWORD(cs->lpszClass))
1478 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->lpszClass );
1479 HeapFree( GetProcessHeap(), 0, cs );
1480 }
1481 break;
1482 case WM_MDICREATE:
1483 {
1484 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lParam;
1485 lParam = *(LPARAM *)(cs + 1);
1486 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs,
1487 (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) );
1488 if (HIWORD(cs->szTitle))
1489 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szTitle );
1490 if (HIWORD(cs->szClass))
1491 HeapFree( GetProcessHeap(), 0, (LPVOID)cs->szClass );
1492 HeapFree( GetProcessHeap(), 0, cs );
1493 }
1494 break;
1495 case WM_GETDLGCODE:
1496 if (lParam)
1497 {
1498 LPMSG msg32 = (LPMSG)lParam;
1499
1500 WINPROC_UnmapMsg16To32W( hwnd, msg32->message, msg32->wParam, msg32->lParam,
1501 result);
1502 HeapFree( GetProcessHeap(), 0, msg32 );
1503 }
1504 break;
1505 default:
1506 return WINPROC_UnmapMsg16To32A( hwnd, msg, wParam, lParam, result );
1507 }
1508 return result;
1509 }
1510
1511
1512 /**********************************************************************
1513 * WINPROC_MapMsg32ATo16
1514 *
1515 * Map a message from 32-bit Ansi to 16-bit.
1516 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
1517 */
1518 INT WINPROC_MapMsg32ATo16( HWND hwnd, UINT msg32, WPARAM wParam32,
1519 UINT16 *pmsg16, WPARAM16 *pwparam16,
1520 LPARAM *plparam )
1521 {
1522 *pmsg16 = (UINT16)msg32;
1523 *pwparam16 = (WPARAM16)LOWORD(wParam32);
1524 switch(msg32)
1525 {
1526 case BM_GETCHECK:
1527 case BM_SETCHECK:
1528 case BM_GETSTATE:
1529 case BM_SETSTATE:
1530 case BM_SETSTYLE:
1531 *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK);
1532 return 0;
1533
1534 case EM_GETSEL:
1535 case EM_GETRECT:
1536 case EM_SETRECT:
1537 case EM_SETRECTNP:
1538 case EM_SCROLL:
1539 case EM_LINESCROLL:
1540 case EM_SCROLLCARET:
1541 case EM_GETMODIFY:
1542 case EM_SETMODIFY:
1543 case EM_GETLINECOUNT:
1544 case EM_LINEINDEX:
1545 case EM_SETHANDLE:
1546 case EM_GETHANDLE:
1547 case EM_GETTHUMB:
1548 case EM_LINELENGTH:
1549 case EM_REPLACESEL:
1550 case EM_GETLINE:
1551 case EM_LIMITTEXT:
1552 case EM_CANUNDO:
1553 case EM_UNDO:
1554 case EM_FMTLINES:
1555 case EM_LINEFROMCHAR:
1556 case EM_SETTABSTOPS:
1557 case EM_SETPASSWORDCHAR:
1558 case EM_EMPTYUNDOBUFFER:
1559 case EM_GETFIRSTVISIBLELINE:
1560 case EM_SETREADONLY:
1561 case EM_SETWORDBREAKPROC:
1562 case EM_GETWORDBREAKPROC:
1563 case EM_GETPASSWORDCHAR:
1564 *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL);
1565 return 0;
1566
1567 case LB_CARETOFF:
1568 case LB_CARETON:
1569 case LB_DELETESTRING:
1570 case LB_GETANCHORINDEX:
1571 case LB_GETCARETINDEX:
1572 case LB_GETCOUNT:
1573 case LB_GETCURSEL:
1574 case LB_GETHORIZONTALEXTENT:
1575 case LB_GETITEMDATA:
1576 case LB_GETITEMHEIGHT:
1577 case LB_GETSEL:
1578 case LB_GETSELCOUNT:
1579 case LB_GETTEXTLEN:
1580 case LB_GETTOPINDEX:
1581 case LB_RESETCONTENT:
1582 case LB_SELITEMRANGE:
1583 case LB_SELITEMRANGEEX:
1584 case LB_SETANCHORINDEX:
1585 case LB_SETCARETINDEX:
1586 case LB_SETCOLUMNWIDTH:
1587 case LB_SETCURSEL:
1588 case LB_SETHORIZONTALEXTENT:
1589 case LB_SETITEMDATA:
1590 case LB_SETITEMHEIGHT:
1591 case LB_SETSEL:
1592 case LB_SETTOPINDEX:
1593 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1594 return 0;
1595 case CB_DELETESTRING:
1596 case CB_GETCOUNT:
1597 case CB_GETLBTEXTLEN:
1598 case CB_LIMITTEXT:
1599 case CB_RESETCONTENT:
1600 case CB_SETEDITSEL:
1601 case CB_GETCURSEL:
1602 case CB_SETCURSEL:
1603 case CB_SHOWDROPDOWN:
1604 case CB_SETITEMDATA:
1605 case CB_SETITEMHEIGHT:
1606 case CB_GETITEMHEIGHT:
1607 case CB_SETEXTENDEDUI:
1608 case CB_GETEXTENDEDUI:
1609 case CB_GETDROPPEDSTATE:
1610 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1611 return 0;
1612 case CB_GETEDITSEL:
1613 *pmsg16 = CB_GETEDITSEL16;
1614 return 1;
1615
1616 case LB_ADDSTRING:
1617 case LB_FINDSTRING:
1618 case LB_FINDSTRINGEXACT:
1619 case LB_INSERTSTRING:
1620 case LB_SELECTSTRING:
1621 case LB_DIR:
1622 case LB_ADDFILE:
1623 {
1624 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1625 if (!str) return -1;
1626 *plparam = (LPARAM)SEGPTR_GET(str);
1627 }
1628 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
1629 return 1;
1630
1631 case CB_ADDSTRING:
1632 case CB_FINDSTRING:
1633 case CB_FINDSTRINGEXACT:
1634 case CB_INSERTSTRING:
1635 case CB_SELECTSTRING:
1636 case CB_DIR:
1637 {
1638 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1639 if (!str) return -1;
1640 *plparam = (LPARAM)SEGPTR_GET(str);
1641 }
1642 *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL);
1643 return 1;
1644
1645 case LB_GETITEMRECT:
1646 {
1647 RECT16 *rect;
1648 rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) );
1649 if (!rect) return -1;
1650 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1651 *plparam = (LPARAM)SEGPTR_GET(rect);
1652 }
1653 *pmsg16 = LB_GETITEMRECT16;
1654 return 1;
1655 case LB_GETSELITEMS:
1656 {
1657 LPINT16 items;
1658 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
1659 if (!(items = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16)
1660 + sizeof(LPARAM)))) return -1;
1661 *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */
1662 *plparam = (LPARAM)SEGPTR_GET(items);
1663 }
1664 *pmsg16 = LB_GETSELITEMS16;
1665 return 1;
1666 case LB_SETTABSTOPS:
1667 if (wParam32)
1668 {
1669 INT i;
1670 LPINT16 stops;
1671 *pwparam16 = (WPARAM16)min( wParam32, 0x7f80 ); /* Must be < 64K */
1672 if (!(stops = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16)
1673 + sizeof(LPARAM)))) return -1;
1674 for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT)*plparam+i);
1675 *plparam = (LPARAM)SEGPTR_GET(stops);
1676 return 1;
1677 }
1678 *pmsg16 = LB_SETTABSTOPS16;
1679 return 0;
1680
1681 case CB_GETDROPPEDCONTROLRECT:
1682 {
1683 RECT16 *rect;
1684 rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) );
1685 if (!rect) return -1;
1686 *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */
1687 *plparam = (LPARAM)SEGPTR_GET(rect);
1688 }
1689 *pmsg16 = CB_GETDROPPEDCONTROLRECT16;
1690 return 1;
1691
1692 case LB_GETTEXT:
1693 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
1694 *pmsg16 = LB_GETTEXT16;
1695 return 1;
1696
1697 case CB_GETLBTEXT:
1698 *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) );
1699 *pmsg16 = CB_GETLBTEXT16;
1700 return 1;
1701
1702 case EM_SETSEL:
1703 *pwparam16 = 0;
1704 *plparam = MAKELONG( (INT16)(INT)wParam32, (INT16)*plparam );
1705 *pmsg16 = EM_SETSEL16;
1706 return 0;
1707
1708 case WM_ACTIVATE:
1709 case WM_CHARTOITEM:
1710 case WM_COMMAND:
1711 case WM_VKEYTOITEM:
1712 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) );
1713 return 0;
1714 case WM_HSCROLL:
1715 case WM_VSCROLL:
1716 *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam );
1717 return 0;
1718 case WM_CTLCOLORMSGBOX:
1719 case WM_CTLCOLOREDIT:
1720 case WM_CTLCOLORLISTBOX:
1721 case WM_CTLCOLORBTN:
1722 case WM_CTLCOLORDLG:
1723 case WM_CTLCOLORSCROLLBAR:
1724 case WM_CTLCOLORSTATIC:
1725 *pmsg16 = WM_CTLCOLOR;
1726 *plparam = MAKELPARAM( (HWND16)*plparam,
1727 (WORD)msg32 - WM_CTLCOLORMSGBOX );
1728 return 0;
1729 case WM_COMPAREITEM:
1730 {
1731 COMPAREITEMSTRUCT *cis32 = (COMPAREITEMSTRUCT *)*plparam;
1732 COMPAREITEMSTRUCT16 *cis = SEGPTR_NEW(COMPAREITEMSTRUCT16);
1733 if (!cis) return -1;
1734 cis->CtlType = (UINT16)cis32->CtlType;
1735 cis->CtlID = (UINT16)cis32->CtlID;
1736 cis->hwndItem = (HWND16)cis32->hwndItem;
1737 cis->itemID1 = (UINT16)cis32->itemID1;
1738 cis->itemData1 = cis32->itemData1;
1739 cis->itemID2 = (UINT16)cis32->itemID2;
1740 cis->itemData2 = cis32->itemData2;
1741 *plparam = (LPARAM)SEGPTR_GET(cis);
1742 }
1743 return 1;
1744 case WM_DELETEITEM:
1745 {
1746 DELETEITEMSTRUCT *dis32 = (DELETEITEMSTRUCT *)*plparam;
1747 DELETEITEMSTRUCT16 *dis = SEGPTR_NEW(DELETEITEMSTRUCT16);
1748 if (!dis) return -1;
1749 dis->CtlType = (UINT16)dis32->CtlType;
1750 dis->CtlID = (UINT16)dis32->CtlID;
1751 dis->itemID = (UINT16)dis32->itemID;
1752 dis->hwndItem = (HWND16)dis32->hwndItem;
1753 dis->itemData = dis32->itemData;
1754 *plparam = (LPARAM)SEGPTR_GET(dis);
1755 }
1756 return 1;
1757 case WM_DRAWITEM:
1758 {
1759 DRAWITEMSTRUCT *dis32 = (DRAWITEMSTRUCT *)*plparam;
1760 DRAWITEMSTRUCT16 *dis = SEGPTR_NEW(DRAWITEMSTRUCT16);
1761 if (!dis) return -1;
1762 dis->CtlType = (UINT16)dis32->CtlType;
1763 dis->CtlID = (UINT16)dis32->CtlID;
1764 dis->itemID = (UINT16)dis32->itemID;
1765 dis->itemAction = (UINT16)dis32->itemAction;
1766 dis->itemState = (UINT16)dis32->itemState;
1767 dis->hwndItem = (HWND16)dis32->hwndItem;
1768 dis->hDC = (HDC16)dis32->hDC;
1769 dis->itemData = dis32->itemData;
1770 CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem );
1771 *plparam = (LPARAM)SEGPTR_GET(dis);
1772 }
1773 return 1;
1774 case WM_MEASUREITEM:
1775 {
1776 MEASUREITEMSTRUCT *mis32 = (MEASUREITEMSTRUCT *)*plparam;
1777 MEASUREITEMSTRUCT16 *mis = (MEASUREITEMSTRUCT16 *)
1778 SEGPTR_ALLOC(sizeof(*mis)+sizeof(LPARAM));
1779 if (!mis) return -1;
1780 mis->CtlType = (UINT16)mis32->CtlType;
1781 mis->CtlID = (UINT16)mis32->CtlID;
1782 mis->itemID = (UINT16)mis32->itemID;
1783 mis->itemWidth = (UINT16)mis32->itemWidth;
1784 mis->itemHeight = (UINT16)mis32->itemHeight;
1785 mis->itemData = mis32->itemData;
1786 *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */
1787 *plparam = (LPARAM)SEGPTR_GET(mis);
1788 }
1789 return 1;
1790 case WM_GETMINMAXINFO:
1791 {
1792 MINMAXINFO16 *mmi = (MINMAXINFO16 *)SEGPTR_ALLOC( sizeof(*mmi) +
1793 sizeof(LPARAM) );
1794 if (!mmi) return -1;
1795 STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)*plparam, mmi );
1796 *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */
1797 *plparam = (LPARAM)SEGPTR_GET(mmi);
1798 }
1799 return 1;
1800 case WM_GETTEXT:
1801 {
1802 LPSTR str;
1803 *pwparam16 = (WPARAM16)min( wParam32, 0xff80 ); /* Must be < 64K */
1804 if (!(str = SEGPTR_ALLOC(*pwparam16 + sizeof(LPARAM)))) return -1;
1805 *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */
1806 *plparam = (LPARAM)SEGPTR_GET(str);
1807 }
1808 return 1;
1809 case WM_MDICREATE:
1810 {
1811 MDICREATESTRUCT16 *cs;
1812 MDICREATESTRUCTA *cs32 = (MDICREATESTRUCTA *)*plparam;
1813 LPSTR name, cls;
1814
1815 if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1;
1816 STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs );
1817 name = SEGPTR_STRDUP( cs32->szTitle );
1818 cls = SEGPTR_STRDUP( cs32->szClass );
1819 cs->szTitle = SEGPTR_GET(name);
1820 cs->szClass = SEGPTR_GET(cls);
1821 *plparam = (LPARAM)SEGPTR_GET(cs);
1822 }
1823 return 1;
1824 case WM_MDIGETACTIVE:
1825 return 1;
1826 case WM_MDISETMENU:
1827 *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32),
1828 (HMENU16)LOWORD(*plparam) );
1829 *pwparam16 = (*plparam == 0);
1830 return 0;
1831 case WM_MENUSELECT:
1832 if(HIWORD(wParam32) & MF_POPUP)
1833 {
1834 UINT16 hmenu;
1835 if (((UINT)HIWORD(wParam32) != 0xFFFF) || (*plparam))
1836 {
1837 if((hmenu = GetSubMenu((HMENU16)*plparam, *pwparam16)))
1838 *pwparam16=hmenu;
1839 }
1840 }
1841 /* fall through */
1842 case WM_MENUCHAR:
1843 *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam );
1844 return 0;
1845 case WM_MDIACTIVATE:
1846 {
1847 WND *tempWnd = WIN_FindWndPtr(hwnd);
1848 if( WIDGETS_IsControl(tempWnd, BIC32_MDICLIENT) )
1849 {
1850 *pwparam16 = (HWND)wParam32;
1851 *plparam = 0;
1852 }
1853 else
1854 {
1855 *pwparam16 = ((HWND)*plparam == hwnd);
1856 *plparam = MAKELPARAM( (HWND16)LOWORD(*plparam),
1857 (HWND16)LOWORD(wParam32) );
1858 }
1859 WIN_ReleaseWndPtr(tempWnd);
1860 }
1861 return 0;
1862 case WM_NCCALCSIZE:
1863 {
1864 NCCALCSIZE_PARAMS *nc32 = (NCCALCSIZE_PARAMS *)*plparam;
1865 NCCALCSIZE_PARAMS16 *nc = (NCCALCSIZE_PARAMS16 *)SEGPTR_ALLOC( sizeof(*nc) + sizeof(LPARAM) );
1866 if (!nc) return -1;
1867
1868 CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] );
1869 if (wParam32)
1870 {
1871 WINDOWPOS16 *wp;
1872 CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] );
1873 CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] );
1874 if (!(wp = SEGPTR_NEW(WINDOWPOS16)))
1875 {
1876 SEGPTR_FREE(nc);
1877 return -1;
1878 }
1879 STRUCT32_WINDOWPOS32to16( nc32->lppos, wp );
1880 nc->lppos = SEGPTR_GET(wp);
1881 }
1882 *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */
1883 *plparam = (LPARAM)SEGPTR_GET(nc);
1884 }
1885 return 1;
1886 case WM_NCCREATE:
1887 case WM_CREATE:
1888 {
1889 CREATESTRUCT16 *cs;
1890 CREATESTRUCTA *cs32 = (CREATESTRUCTA *)*plparam;
1891 LPSTR name, cls;
1892
1893 if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1;
1894 STRUCT32_CREATESTRUCT32Ato16( cs32, cs );
1895 name = SEGPTR_STRDUP( cs32->lpszName );
1896 cls = SEGPTR_STRDUP( cs32->lpszClass );
1897 cs->lpszName = SEGPTR_GET(name);
1898 cs->lpszClass = SEGPTR_GET(cls);
1899 *plparam = (LPARAM)SEGPTR_GET(cs);
1900 }
1901 return 1;
1902 case WM_PARENTNOTIFY:
1903 if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY))
1904 *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32));
1905 /* else nothing to do */
1906 return 0;
1907 case WM_NOTIFY:
1908 *plparam = MapLS( (NMHDR *)*plparam ); /* NMHDR is already 32-bit */
1909 return 1;
1910 case WM_SETTEXT:
1911 {
1912 LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam );
1913 if (!str) return -1;
1914 *plparam = (LPARAM)SEGPTR_GET(str);
1915 }
1916 return 1;
1917 case WM_WINDOWPOSCHANGING:
1918 case WM_WINDOWPOSCHANGED:
1919 {
1920 WINDOWPOS16 *wp = (WINDOWPOS16 *)SEGPTR_ALLOC( sizeof(*wp) +
1921 sizeof(LPARAM) );
1922 if (!wp) return -1;
1923 STRUCT32_WINDOWPOS32to16( (WINDOWPOS *)*plparam, wp );
1924 *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */
1925 *plparam = (LPARAM)SEGPTR_GET(wp);
1926 }
1927 return 1;
1928 case WM_GETDLGCODE:
1929 if (*plparam) {
1930 LPMSG msg32 = (LPMSG) *plparam;
1931 LPMSG16 msg16 = (LPMSG16) SEGPTR_NEW( MSG16 );
1932
1933 if (!msg16) return -1;
1934 msg16->hwnd = msg32->hwnd;
1935 msg16->lParam = msg32->lParam;
1936 msg16->time = msg32->time;
1937 CONV_POINT32TO16(&msg32->pt,&msg16->pt);
1938 /* this is right, right? */
1939 if (WINPROC_MapMsg32ATo16(msg32->hwnd,msg32->message,msg32->wParam,
1940 &msg16->message,&msg16->wParam, &msg16->lParam)<0) {
1941 SEGPTR_FREE( msg16 );
1942 return -1;
1943 }
1944 *plparam = (LPARAM)SEGPTR_GET(msg16);
1945 return 1;
1946 }
1947 return 0;
1948
1949 case WM_ACTIVATEAPP:
1950 if (*plparam) {
1951 *plparam = (LPARAM)THREAD_IdToTEB((DWORD) *plparam)->htask16;
1952 }
1953 return 1;
1954 case WM_ASKCBFORMATNAME:
1955 case WM_DEVMODECHANGE:
1956 case WM_PAINTCLIPBOARD:
1957 case WM_SIZECLIPBOARD:
1958 case WM_WININICHANGE:
1959 FIXME_(msg)("message %04x needs translation\n", msg32 );
1960 return -1;
1961 case WM_SIZING: /* should not be send to 16-bit apps */
1962 return -1;
1963 default: /* No translation needed */
1964 return 0;
1965 }
1966 }
1967
1968
1969 /**********************************************************************
1970 * WINPROC_UnmapMsg32ATo16
1971 *
1972 * Unmap a message that was mapped from 32-bit Ansi to 16-bit.
1973 */
1974 void WINPROC_UnmapMsg32ATo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
1975 MSGPARAM16* p16 )
1976 {
1977 switch(msg)
1978 {
1979 case LB_ADDFILE:
1980 case LB_ADDSTRING:
1981 case LB_DIR:
1982 case LB_FINDSTRING:
1983 case LB_FINDSTRINGEXACT:
1984 case LB_INSERTSTRING:
1985 case LB_SELECTSTRING:
1986 case LB_SETTABSTOPS:
1987 case CB_ADDSTRING:
1988 case CB_FINDSTRING:
1989 case CB_FINDSTRINGEXACT:
1990 case CB_INSERTSTRING:
1991 case CB_SELECTSTRING:
1992 case CB_DIR:
1993 case WM_COMPAREITEM:
1994 case WM_DELETEITEM:
1995 case WM_DRAWITEM:
1996 case WM_SETTEXT:
1997 SEGPTR_FREE( PTR_SEG_TO_LIN(p16->lParam) );
1998 break;
1999
2000 case CB_GETDROPPEDCONTROLRECT:
2001 case LB_GETITEMRECT:
2002 {
2003 RECT16 *rect = (RECT16 *)PTR_SEG_TO_LIN(p16->lParam);
2004 p16->lParam = *(LPARAM *)(rect + 1);
2005 CONV_RECT16TO32( rect, (RECT *)(p16->lParam));
2006 SEGPTR_FREE( rect );
2007 }
2008 break;
2009 case LB_GETSELITEMS:
2010 {
2011 INT i;
2012 LPINT16 items = (LPINT16)PTR_SEG_TO_LIN(lParam);
2013 p16->lParam = *((LPARAM *)items - 1);
2014 for (i = 0; i < p16->wParam; i++) *((LPINT)(p16->lParam) + i) = items[i];
2015 SEGPTR_FREE( (LPARAM *)items - 1 );
2016 }
2017 break;
2018
2019 case CB_GETEDITSEL:
2020 if( wParam )
2021 *((LPUINT)(wParam)) = LOWORD(p16->lResult);
2022 if( lParam )
2023 *((LPUINT)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */
2024 break;
2025
2026 case LB_GETTEXT:
2027 case CB_GETLBTEXT:
2028 UnMapLS( (SEGPTR)(p16->lParam) );
2029 break;
2030
2031 case WM_MEASUREITEM:
2032 {
2033 MEASUREITEMSTRUCT16 *mis = (MEASUREITEMSTRUCT16 *)PTR_SEG_TO_LIN(p16->lParam);
2034 MEASUREITEMSTRUCT *mis32 = *(MEASUREITEMSTRUCT **)(mis + 1);
2035 mis32->itemWidth = mis->itemWidth;
2036 mis32->itemHeight = mis->itemHeight;
2037 SEGPTR_FREE(mis);
2038 }
2039 break;
2040 case WM_GETMINMAXINFO:
2041 {
2042 MINMAXINFO16 *mmi = (MINMAXINFO16 *)PTR_SEG_TO_LIN(p16->lParam);
2043 p16->lParam = *(LPARAM *)(mmi + 1);
2044 STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO *)(p16->lParam) );
2045 SEGPTR_FREE(mmi);
2046 }
2047 break;
2048 case WM_GETTEXT:
2049 {
2050 LPSTR str = (LPSTR)PTR_SEG_TO_LIN(p16->lParam);
2051 p16->lParam = *((LPARAM *)str - 1);
2052 lstrcpynA( (LPSTR)(p16->lParam), str, p16->wParam );
2053 SEGPTR_FREE( (LPARAM *)str - 1 );
2054 }
2055 break;
2056 case WM_MDICREATE:
2057 {
2058 MDICREATESTRUCT16 *cs = (MDICREATESTRUCT16*)PTR_SEG_TO_LIN(p16->lParam);
2059 SEGPTR_FREE( PTR_SEG_TO_LIN(cs->szTitle) );
2060 SEGPTR_FREE( PTR_SEG_TO_LIN(cs->szClass) );
2061 SEGPTR_FREE( cs );
2062 }
2063 break;
2064 case WM_MDIGETACTIVE:
2065 if (lParam) *(BOOL *)lParam = (BOOL16)HIWORD(p16->lResult);
2066 p16->lResult = (HWND)LOWORD(p16->lResult);
2067 break;
2068 case WM_NCCALCSIZE:
2069 {
2070 NCCALCSIZE_PARAMS *nc32;
2071 NCCALCSIZE_PARAMS16 *nc = (NCCALCSIZE_PARAMS16 *)PTR_SEG_TO_LIN(p16->lParam);
2072 p16->lParam = *(LPARAM *)(nc + 1);
2073 nc32 = (NCCALCSIZE_PARAMS *)(p16->lParam);
2074 CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] );
2075 if (p16->wParam)
2076 {
2077 CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] );
2078 CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] );
2079 STRUCT32_WINDOWPOS16to32( (WINDOWPOS16 *)PTR_SEG_TO_LIN(nc->lppos),
2080 nc32->lppos );
2081 SEGPTR_FREE( PTR_SEG_TO_LIN(nc->lppos) );
2082 }
2083 SEGPTR_FREE(nc);
2084 }
2085 break;
2086 case WM_NCCREATE:
2087 case WM_CREATE:
2088 {
2089 CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(p16->lParam);
2090 SEGPTR_FREE( PTR_SEG_TO_LIN(cs->lpszName) );
2091 SEGPTR_FREE( PTR_SEG_TO_LIN(cs->lpszClass) );
2092 SEGPTR_FREE( cs );
2093 }
2094 break;
2095 case WM_WINDOWPOSCHANGING:
2096 case WM_WINDOWPOSCHANGED:
2097 {
2098 WINDOWPOS16 *wp = (WINDOWPOS16 *)PTR_SEG_TO_LIN(p16->lParam);
2099 p16->lParam = *(LPARAM *)(wp + 1);
2100 STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS *)p16->lParam );
2101 SEGPTR_FREE(wp);
2102 }
2103 break;
2104 case WM_NOTIFY:
2105 UnMapLS(p16->lParam);
2106 break;
2107 case WM_GETDLGCODE:
2108 if (p16->lParam)
2109 {
2110 LPMSG16 msg16 = (LPMSG16)PTR_SEG_TO_LIN(p16->lParam);
2111 MSGPARAM16 msgp16;
2112 msgp16.wParam=msg16->wParam;
2113 msgp16.lParam=msg16->lParam;
2114 WINPROC_UnmapMsg32ATo16(((LPMSG)lParam)->hwnd, ((LPMSG)lParam)->message,
2115 ((LPMSG)lParam)->wParam, ((LPMSG)lParam)->lParam,
2116 &msgp16 );
2117 SEGPTR_FREE(msg16);
2118 }
2119 break;
2120 }
2121 }
2122
2123
2124 /**********************************************************************
2125 * WINPROC_MapMsg32WTo16
2126 *
2127 * Map a message from 32-bit Unicode to 16-bit.
2128 * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed.
2129 */
2130 INT WINPROC_MapMsg32WTo16( HWND hwnd, UINT msg32, WPARAM wParam32,
2131 UINT16 *pmsg16, WPARAM16 *pwparam16,
2132 LPARAM *plparam )
2133 {
2134 switch(msg32)
2135 {
2136 case LB_ADDSTRING:
2137 case LB_FINDSTRING:
2138 case LB_FINDSTRINGEXACT:
2139 case LB_INSERTSTRING:
2140 case LB_SELECTSTRING:
2141 case LB_DIR:
2142 case LB_ADDFILE:
2143 {
2144 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2145 if (!str) return -1;
2146 *pwparam16 = (WPARAM16)LOWORD(wParam32);
2147 *plparam = (LPARAM)SEGPTR_GET(str);
2148 }
2149 *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING);
2150 return 1;
2151
2152 case CB_ADDSTRING:
2153 case CB_FINDSTRING:
2154 case CB_FINDSTRINGEXACT:
2155 case CB_INSERTSTRING:
2156 case CB_SELECTSTRING:
2157 case CB_DIR:
2158 {
2159 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2160 if (!str) return -1;
2161 *pwparam16 = (WPARAM16)LOWORD(wParam32);
2162 *plparam = (LPARAM)SEGPTR_GET(str);
2163 }
2164 *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING);
2165 return 1;
2166
2167 case WM_NCCREATE:
2168 case WM_CREATE:
2169 {
2170 CREATESTRUCT16 *cs;
2171 CREATESTRUCTW *cs32 = (CREATESTRUCTW *)*plparam;
2172 LPSTR name, cls;
2173
2174 if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1;
2175 STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCTA *)cs32, cs );
2176 name = SEGPTR_STRDUP_WtoA( cs32->lpszName );
2177 cls = SEGPTR_STRDUP_WtoA( cs32->lpszClass );
2178 cs->lpszName = SEGPTR_GET(name);
2179 cs->lpszClass = SEGPTR_GET(cls);
2180 *pmsg16 = (UINT16)msg32;
2181 *pwparam16 = (WPARAM16)LOWORD(wParam32);
2182 *plparam = (LPARAM)SEGPTR_GET(cs);
2183 }
2184 return 1;
2185 case WM_MDICREATE:
2186 {
2187 MDICREATESTRUCT16 *cs;
2188 MDICREATESTRUCTW *cs32 = (MDICREATESTRUCTW *)*plparam;
2189 LPSTR name, cls;
2190
2191 if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1;
2192 STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCTA *)cs32, cs );
2193 name = SEGPTR_STRDUP_WtoA( cs32->szTitle );
2194 cls = SEGPTR_STRDUP_WtoA( cs32->szClass );
2195 cs->szTitle = SEGPTR_GET(name);
2196 cs->szClass = SEGPTR_GET(cls);
2197 *pmsg16 = (UINT16)msg32;
2198 *pwparam16 = (WPARAM16)LOWORD(wParam32);
2199 *plparam = (LPARAM)SEGPTR_GET(cs);
2200 }
2201 return 1;
2202 case WM_SETTEXT:
2203 {
2204 LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam );
2205 if (!str) return -1;
2206 *pmsg16 = (UINT16)msg32;
2207 *pwparam16 = (WPARAM16)LOWORD(wParam32);
2208 *plparam = (LPARAM)SEGPTR_GET(str);
2209 }
2210 return 1;
2211 case LB_GETTEXT:
2212 case CB_GETLBTEXT:
2213 if ( WINPROC_TestLBForStr( hwnd ))
2214 {
2215 LPSTR str = (LPSTR) SEGPTR_ALLOC( 256 ); /* fixme: fixed sized buffer */
2216 if (!str) return -1;
2217 *pmsg16 = (msg32 == LB_GETTEXT)? LB_GETTEXT16 : CB_GETLBTEXT16;
2218 *pwparam16 = (WPARAM16)LOWORD(wParam32);
2219 *plparam = (LPARAM)SEGPTR_GET(str);
2220 }
2221 return 1;
2222 default: /* No Unicode translation needed (?) */
2223 return WINPROC_MapMsg32ATo16( hwnd, msg32, wParam32, pmsg16,
2224 pwparam16, plparam );
2225 }
2226 }
2227
2228
2229 /**********************************************************************
2230 * WINPROC_UnmapMsg32WTo16
2231 *
2232 * Unmap a message that was mapped from 32-bit Unicode to 16-bit.
2233 */
2234 void WINPROC_UnmapMsg32WTo16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
2235 MSGPARAM16* p16 )
2236 {
2237 switch(msg)
2238 {
2239 case WM_GETTEXT:
2240 {
2241 LPSTR str = (LPSTR)PTR_SEG_TO_LIN(p16->lParam);
2242 p16->lParam = *((LPARAM *)str - 1);
2243 lstrcpyAtoW( (LPWSTR)(p16->lParam), str );
2244 SEGPTR_FREE( (LPARAM *)str - 1 );
2245 }
2246 break;
2247 case LB_GETTEXT:
2248 case CB_GETLBTEXT:
2249 if ( WINPROC_TestLBForStr( hwnd ))
2250 {
2251 LPSTR str = (LPSTR)PTR_SEG_TO_LIN(p16->lParam);
2252 lstrcpyAtoW( (LPWSTR)lParam, str );
2253 SEGPTR_FREE( (LPARAM *) str );
2254 }
2255 break;
2256 default:
2257 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, p16 );
2258 break;
2259 }
2260 }
2261
2262
2263 /**********************************************************************
2264 * WINPROC_CallProc32ATo32W
2265 *
2266 * Call a window procedure, translating args from Ansi to Unicode.
2267 */
2268 static LRESULT WINPROC_CallProc32ATo32W( WNDPROC func, HWND hwnd,
2269 UINT msg, WPARAM wParam,
2270 LPARAM lParam )
2271 {
2272 LRESULT result;
2273
2274 if (WINPROC_MapMsg32ATo32W( hwnd, msg, wParam, &lParam ) == -1) return 0;
2275 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2276 WINPROC_UnmapMsg32ATo32W( hwnd, msg, wParam, lParam );
2277 return result;
2278 }
2279
2280
2281 /**********************************************************************
2282 * WINPROC_CallProc32WTo32A
2283 *
2284 * Call a window procedure, translating args from Unicode to Ansi.
2285 */
2286 static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
2287 UINT msg, WPARAM wParam,
2288 LPARAM lParam )
2289 {
2290 LRESULT result;
2291
2292 if (WINPROC_MapMsg32WTo32A( hwnd, msg, wParam, &lParam ) == -1) return 0;
2293 result = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2294 WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam );
2295 return result;
2296 }
2297
2298
2299 /**********************************************************************
2300 * WINPROC_CallProc16To32A
2301 *
2302 * Call a 32-bit window procedure, translating the 16-bit args.
2303 */
2304 static LRESULT WINPROC_CallProc16To32A( WNDPROC func, HWND16 hwnd,
2305 UINT16 msg, WPARAM16 wParam,
2306 LPARAM lParam )
2307 {
2308 LRESULT result;
2309 UINT msg32;
2310 WPARAM wParam32;
2311
2312 if (WINPROC_MapMsg16To32A( msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2313 return 0;
2314 result = WINPROC_CallWndProc( func, hwnd, msg32, wParam32, lParam );
2315 return WINPROC_UnmapMsg16To32A( hwnd, msg32, wParam32, lParam, result );
2316 }
2317
2318 /**********************************************************************
2319 * WINPROC_Thunk16To32A
2320 */
2321 static LRESULT WINAPI WINPROC_Thunk16To32A( WNDPROC func, LPBYTE args )
2322 {
2323 HWND16 hwnd = *(HWND16 *)( args+8 );
2324 UINT16 msg = *(HWND16 *)( args+6 );
2325 WPARAM16 wParam = *(HWND16 *)( args+4 );
2326 LPARAM lParam = *(LPARAM *)( args+0 );
2327
2328 return WINPROC_CallProc16To32A( func, hwnd, msg, wParam, lParam );
2329 }
2330
2331
2332 /**********************************************************************
2333 * WINPROC_CallProc16To32W
2334 *
2335 * Call a 32-bit window procedure, translating the 16-bit args.
2336 */
2337 static LRESULT WINPROC_CallProc16To32W( WNDPROC func, HWND16 hwnd,
2338 UINT16 msg, WPARAM16 wParam,
2339 LPARAM lParam )
2340 {
2341 LRESULT result;
2342 UINT msg32;
2343 WPARAM wParam32;
2344
2345 if (WINPROC_MapMsg16To32W( hwnd, msg, wParam, &msg32, &wParam32, &lParam ) == -1)
2346 return 0;
2347
2348 result = WINPROC_CallWndProc( func, hwnd, msg32, wParam32, lParam );
2349
2350 return WINPROC_UnmapMsg16To32W( hwnd, msg32, wParam32, lParam, result );
2351 }
2352
2353 /**********************************************************************
2354 * WINPROC_Thunk16To32W
2355 */
2356 static LRESULT WINAPI WINPROC_Thunk16To32W( WNDPROC func, LPBYTE args )
2357 {
2358 HWND16 hwnd = *(HWND16 *)( args+8 );
2359 UINT16 msg = *(HWND16 *)( args+6 );
2360 WPARAM16 wParam = *(HWND16 *)( args+4 );
2361 LPARAM lParam = *(LPARAM *)( args+0 );
2362
2363 return WINPROC_CallProc16To32W( func, hwnd, msg, wParam, lParam );
2364 }
2365
2366 /**********************************************************************
2367 * WINPROC_CallProc32ATo16
2368 *
2369 * Call a 16-bit window procedure, translating the 32-bit args.
2370 */
2371 static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND hwnd,
2372 UINT msg, WPARAM wParam,
2373 LPARAM lParam )
2374 {
2375 UINT16 msg16;
2376 MSGPARAM16 mp16;
2377
2378 mp16.lParam = lParam;
2379 if (WINPROC_MapMsg32ATo16( hwnd, msg, wParam,
2380 &msg16, &mp16.wParam, &mp16.lParam ) == -1)
2381 return 0;
2382 mp16.lResult = WINPROC_CallWndProc16( func, hwnd, msg16,
2383 mp16.wParam, mp16.lParam );
2384 WINPROC_UnmapMsg32ATo16( hwnd, msg, wParam, lParam, &mp16 );
2385 return mp16.lResult;
2386 }
2387
2388
2389 /**********************************************************************
2390 * WINPROC_CallProc32WTo16
2391 *
2392 * Call a 16-bit window procedure, translating the 32-bit args.
2393 */
2394 static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND hwnd,
2395 UINT msg, WPARAM wParam,
2396 LPARAM lParam )
2397 {
2398 UINT16 msg16;
2399 MSGPARAM16 mp16;
2400
2401 mp16.lParam = lParam;
2402 if (WINPROC_MapMsg32WTo16( hwnd, msg, wParam, &msg16, &mp16.wParam,
2403 &mp16.lParam ) == -1)
2404 return 0;
2405 mp16.lResult = WINPROC_CallWndProc16( func, hwnd, msg16,
2406 mp16.wParam, mp16.lParam );
2407 WINPROC_UnmapMsg32WTo16( hwnd, msg, wParam, lParam, &mp16 );
2408 return mp16.lResult;
2409 }
2410
2411
2412 /**********************************************************************
2413 * CallWindowProc16 (USER.122)
2414 */
2415 LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
2416 WPARAM16 wParam, LPARAM lParam )
2417 {
2418 WINDOWPROC *proc = WINPROC_GetPtr( func );
2419
2420 if (!proc)
2421 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2422
2423 #if testing
2424 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_16 );
2425 return WINPROC_CallWndProc16( func, hwnd, msg, wParam, lParam );
2426 #endif
2427
2428 switch(proc->type)
2429 {
2430 case WIN_PROC_16:
2431 if (!proc->thunk.t_from32.proc) return 0;
2432 return WINPROC_CallWndProc16( proc->thunk.t_from32.proc,
2433 hwnd, msg, wParam, lParam );
2434 case WIN_PROC_32A:
2435 if (!proc->thunk.t_from16.proc) return 0;
2436 return WINPROC_CallProc16To32A( proc->thunk.t_from16.proc,
2437 hwnd, msg, wParam, lParam );
2438 case WIN_PROC_32W:
2439 if (!proc->thunk.t_from16.proc) return 0;
2440 return WINPROC_CallProc16To32W( proc->thunk.t_from16.proc,
2441 hwnd, msg, wParam, lParam );
2442 default:
2443 WARN_(relay)("Invalid proc %p\n", proc );
2444 return 0;
2445 }
2446 }
2447
2448
2449 /**********************************************************************
2450 * CallWindowProcA (USER32.18)
2451 *
2452 * The CallWindowProc() function invokes the windows procedure _func_,
2453 * with _hwnd_ as the target window, the message specified by _msg_, and
2454 * the message parameters _wParam_ and _lParam_.
2455 *
2456 * Some kinds of argument conversion may be done, I'm not sure what.
2457 *
2458 * CallWindowProc() may be used for windows subclassing. Use
2459 * SetWindowLong() to set a new windows procedure for windows of the
2460 * subclass, and handle subclassed messages in the new windows
2461 * procedure. The new windows procedure may then use CallWindowProc()
2462 * with _func_ set to the parent class's windows procedure to dispatch
2463 * the message to the superclass.
2464 *
2465 * RETURNS
2466 *
2467 * The return value is message dependent.
2468 *
2469 * CONFORMANCE
2470 *
2471 * ECMA-234, Win32
2472 */
2473 LRESULT WINAPI CallWindowProcA(
2474 WNDPROC func, /* window procedure */
2475 HWND hwnd, /* target window */
2476 UINT msg, /* message */
2477 WPARAM wParam, /* message dependent parameter */
2478 LPARAM lParam /* message dependent parameter */
2479 ) {
2480 WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func );
2481
2482 if (!proc) return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2483
2484 #if testing
2485 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32A );
2486 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2487 #endif
2488
2489 switch(proc->type)
2490 {
2491 case WIN_PROC_16:
2492 if (!proc->thunk.t_from32.proc) return 0;
2493 return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc,
2494 hwnd, msg, wParam, lParam );
2495 case WIN_PROC_32A:
2496 if (!proc->thunk.t_from16.proc) return 0;
2497 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2498 hwnd, msg, wParam, lParam );
2499 case WIN_PROC_32W:
2500 if (!proc->thunk.t_from16.proc) return 0;
2501 return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc,
2502 hwnd, msg, wParam, lParam );
2503 default:
2504 WARN_(relay)("Invalid proc %p\n", proc );
2505 return 0;
2506 }
2507 }
2508
2509
2510 /**********************************************************************
2511 * CallWindowProcW (USER32.19)
2512 */
2513 LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
2514 WPARAM wParam, LPARAM lParam )
2515 {
2516 WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func );
2517
2518 if (!proc) return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2519
2520 #if testing
2521 func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32W );
2522 return WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
2523 #endif
2524
2525 switch(proc->type)
2526 {
2527 case WIN_PROC_16:
2528 if (!proc->thunk.t_from32.proc) return 0;
2529 return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc,
2530 hwnd, msg, wParam, lParam );
2531 case WIN_PROC_32A:
2532 if (!proc->thunk.t_from16.proc) return 0;
2533 return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc,
2534 hwnd, msg, wParam, lParam );
2535 case WIN_PROC_32W:
2536 if (!proc->thunk.t_from16.proc) return 0;
2537 return WINPROC_CallWndProc( proc->thunk.t_from16.proc,
2538 hwnd, msg, wParam, lParam );
2539 default:
2540 WARN_(relay)("Invalid proc %p\n", proc );
2541 return 0;
2542 }
2543 }
Windows API implementation