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user32: Use BOOL type where appropriate.
[wine.git] / dlls / user32 / message.c
blobb51b6de6b0ecf4afc0c2b5815f4bec66d38f24eb
1 /*
2 * Window messaging support
3 *
4 * Copyright 2001 Alexandre Julliard
5 * Copyright 2008 Maarten Lankhorst
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <assert.h>
26 #include <stdarg.h>
27
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30 #include "ntstatus.h"
31 #define WIN32_NO_STATUS
32 #include "windef.h"
33 #include "winbase.h"
34 #include "wingdi.h"
35 #include "winuser.h"
36 #include "winerror.h"
37 #include "winnls.h"
38 #include "dbt.h"
39 #include "dde.h"
40 #include "imm.h"
41 #include "ddk/imm.h"
42 #include "wine/unicode.h"
43 #include "wine/server.h"
44 #include "user_private.h"
45 #include "win.h"
46 #include "controls.h"
47 #include "wine/debug.h"
48 #include "wine/exception.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(msg);
51 WINE_DECLARE_DEBUG_CHANNEL(relay);
52 WINE_DECLARE_DEBUG_CHANNEL(key);
53
54 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
55 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
56
57 #define MAX_PACK_COUNT 4
58
59 /* the various structures that can be sent in messages, in platform-independent layout */
60 struct packed_CREATESTRUCTW
61 {
62 ULONGLONG lpCreateParams;
63 ULONGLONG hInstance;
64 user_handle_t hMenu;
65 DWORD __pad1;
66 user_handle_t hwndParent;
67 DWORD __pad2;
68 INT cy;
69 INT cx;
70 INT y;
71 INT x;
72 LONG style;
73 ULONGLONG lpszName;
74 ULONGLONG lpszClass;
75 DWORD dwExStyle;
76 DWORD __pad3;
77 };
78
79 struct packed_DRAWITEMSTRUCT
80 {
81 UINT CtlType;
82 UINT CtlID;
83 UINT itemID;
84 UINT itemAction;
85 UINT itemState;
86 user_handle_t hwndItem;
87 DWORD __pad1;
88 user_handle_t hDC;
89 DWORD __pad2;
90 RECT rcItem;
91 ULONGLONG itemData;
92 };
93
94 struct packed_MEASUREITEMSTRUCT
95 {
96 UINT CtlType;
97 UINT CtlID;
98 UINT itemID;
99 UINT itemWidth;
100 UINT itemHeight;
101 ULONGLONG itemData;
102 };
103
104 struct packed_DELETEITEMSTRUCT
105 {
106 UINT CtlType;
107 UINT CtlID;
108 UINT itemID;
109 user_handle_t hwndItem;
110 DWORD __pad;
111 ULONGLONG itemData;
112 };
113
114 struct packed_COMPAREITEMSTRUCT
115 {
116 UINT CtlType;
117 UINT CtlID;
118 user_handle_t hwndItem;
119 DWORD __pad1;
120 UINT itemID1;
121 ULONGLONG itemData1;
122 UINT itemID2;
123 ULONGLONG itemData2;
124 DWORD dwLocaleId;
125 DWORD __pad2;
126 };
127
128 struct packed_WINDOWPOS
129 {
130 user_handle_t hwnd;
131 DWORD __pad1;
132 user_handle_t hwndInsertAfter;
133 DWORD __pad2;
134 INT x;
135 INT y;
136 INT cx;
137 INT cy;
138 UINT flags;
139 DWORD __pad3;
140 };
141
142 struct packed_COPYDATASTRUCT
143 {
144 ULONGLONG dwData;
145 DWORD cbData;
146 ULONGLONG lpData;
147 };
148
149 struct packed_HELPINFO
150 {
151 UINT cbSize;
152 INT iContextType;
153 INT iCtrlId;
154 user_handle_t hItemHandle;
155 DWORD __pad;
156 ULONGLONG dwContextId;
157 POINT MousePos;
158 };
159
160 struct packed_NCCALCSIZE_PARAMS
161 {
162 RECT rgrc[3];
163 ULONGLONG __pad1;
164 user_handle_t hwnd;
165 DWORD __pad2;
166 user_handle_t hwndInsertAfter;
167 DWORD __pad3;
168 INT x;
169 INT y;
170 INT cx;
171 INT cy;
172 UINT flags;
173 DWORD __pad4;
174 };
175
176 struct packed_MSG
177 {
178 user_handle_t hwnd;
179 DWORD __pad1;
180 UINT message;
181 ULONGLONG wParam;
182 ULONGLONG lParam;
183 DWORD time;
184 POINT pt;
185 DWORD __pad2;
186 };
187
188 struct packed_MDINEXTMENU
189 {
190 user_handle_t hmenuIn;
191 DWORD __pad1;
192 user_handle_t hmenuNext;
193 DWORD __pad2;
194 user_handle_t hwndNext;
195 DWORD __pad3;
196 };
197
198 struct packed_MDICREATESTRUCTW
199 {
200 ULONGLONG szClass;
201 ULONGLONG szTitle;
202 ULONGLONG hOwner;
203 INT x;
204 INT y;
205 INT cx;
206 INT cy;
207 DWORD style;
208 ULONGLONG lParam;
209 };
210
211 struct packed_hook_extra_info
212 {
213 user_handle_t handle;
214 DWORD __pad;
215 ULONGLONG lparam;
216 };
217
218 /* the structures are unpacked on top of the packed ones, so make sure they fit */
219 C_ASSERT( sizeof(struct packed_CREATESTRUCTW) >= sizeof(CREATESTRUCTW) );
220 C_ASSERT( sizeof(struct packed_DRAWITEMSTRUCT) >= sizeof(DRAWITEMSTRUCT) );
221 C_ASSERT( sizeof(struct packed_MEASUREITEMSTRUCT) >= sizeof(MEASUREITEMSTRUCT) );
222 C_ASSERT( sizeof(struct packed_DELETEITEMSTRUCT) >= sizeof(DELETEITEMSTRUCT) );
223 C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) );
224 C_ASSERT( sizeof(struct packed_WINDOWPOS) >= sizeof(WINDOWPOS) );
225 C_ASSERT( sizeof(struct packed_COPYDATASTRUCT) >= sizeof(COPYDATASTRUCT) );
226 C_ASSERT( sizeof(struct packed_HELPINFO) >= sizeof(HELPINFO) );
227 C_ASSERT( sizeof(struct packed_NCCALCSIZE_PARAMS) >= sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) );
228 C_ASSERT( sizeof(struct packed_MSG) >= sizeof(MSG) );
229 C_ASSERT( sizeof(struct packed_MDINEXTMENU) >= sizeof(MDINEXTMENU) );
230 C_ASSERT( sizeof(struct packed_MDICREATESTRUCTW) >= sizeof(MDICREATESTRUCTW) );
231 C_ASSERT( sizeof(struct packed_hook_extra_info) >= sizeof(struct hook_extra_info) );
232
233 union packed_structs
234 {
235 struct packed_CREATESTRUCTW cs;
236 struct packed_DRAWITEMSTRUCT dis;
237 struct packed_MEASUREITEMSTRUCT mis;
238 struct packed_DELETEITEMSTRUCT dls;
239 struct packed_COMPAREITEMSTRUCT cis;
240 struct packed_WINDOWPOS wp;
241 struct packed_COPYDATASTRUCT cds;
242 struct packed_HELPINFO hi;
243 struct packed_NCCALCSIZE_PARAMS ncp;
244 struct packed_MSG msg;
245 struct packed_MDINEXTMENU mnm;
246 struct packed_MDICREATESTRUCTW mcs;
247 struct packed_hook_extra_info hook;
248 };
249
250 /* description of the data fields that need to be packed along with a sent message */
251 struct packed_message
252 {
253 union packed_structs ps;
254 int count;
255 const void *data[MAX_PACK_COUNT];
256 size_t size[MAX_PACK_COUNT];
257 };
258
259 /* info about the message currently being received by the current thread */
260 struct received_message_info
261 {
262 enum message_type type;
263 MSG msg;
264 UINT flags; /* InSendMessageEx return flags */
265 };
266
267 /* structure to group all parameters for sent messages of the various kinds */
268 struct send_message_info
269 {
270 enum message_type type;
271 DWORD dest_tid;
272 HWND hwnd;
273 UINT msg;
274 WPARAM wparam;
275 LPARAM lparam;
276 UINT flags; /* flags for SendMessageTimeout */
277 UINT timeout; /* timeout for SendMessageTimeout */
278 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
279 ULONG_PTR data; /* callback data */
280 enum wm_char_mapping wm_char;
281 };
282
283
284 /* Message class descriptor */
285 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
286
287 const struct builtin_class_descr MESSAGE_builtin_class =
288 {
289 messageW, /* name */
290 0, /* style */
291 WINPROC_MESSAGE, /* proc */
292 0, /* extra */
293 0, /* cursor */
294 0 /* brush */
295 };
296
297
298
299 /* flag for messages that contain pointers */
300 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
301
302 #define SET(msg) (1 << ((msg) & 31))
303
304 static const unsigned int message_pointer_flags[] =
305 {
306 /* 0x00 - 0x1f */
307 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
308 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
309 /* 0x20 - 0x3f */
310 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
311 SET(WM_COMPAREITEM),
312 /* 0x40 - 0x5f */
313 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
314 SET(WM_NOTIFY) | SET(WM_HELP),
315 /* 0x60 - 0x7f */
316 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
317 /* 0x80 - 0x9f */
318 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
319 /* 0xa0 - 0xbf */
320 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
321 /* 0xc0 - 0xdf */
322 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
323 /* 0xe0 - 0xff */
324 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
325 /* 0x100 - 0x11f */
326 0,
327 /* 0x120 - 0x13f */
328 0,
329 /* 0x140 - 0x15f */
330 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
331 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
332 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
333 /* 0x160 - 0x17f */
334 0,
335 /* 0x180 - 0x19f */
336 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
337 SET(LB_DIR) | SET(LB_FINDSTRING) |
338 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
339 /* 0x1a0 - 0x1bf */
340 SET(LB_FINDSTRINGEXACT),
341 /* 0x1c0 - 0x1df */
342 0,
343 /* 0x1e0 - 0x1ff */
344 0,
345 /* 0x200 - 0x21f */
346 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
347 /* 0x220 - 0x23f */
348 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
349 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
350 /* 0x240 - 0x25f */
351 0,
352 /* 0x260 - 0x27f */
353 0,
354 /* 0x280 - 0x29f */
355 0,
356 /* 0x2a0 - 0x2bf */
357 0,
358 /* 0x2c0 - 0x2df */
359 0,
360 /* 0x2e0 - 0x2ff */
361 0,
362 /* 0x300 - 0x31f */
363 SET(WM_ASKCBFORMATNAME)
364 };
365
366 /* flags for messages that contain Unicode strings */
367 static const unsigned int message_unicode_flags[] =
368 {
369 /* 0x00 - 0x1f */
370 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
371 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
372 /* 0x20 - 0x3f */
373 SET(WM_CHARTOITEM),
374 /* 0x40 - 0x5f */
375 0,
376 /* 0x60 - 0x7f */
377 0,
378 /* 0x80 - 0x9f */
379 SET(WM_NCCREATE),
380 /* 0xa0 - 0xbf */
381 0,
382 /* 0xc0 - 0xdf */
383 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
384 /* 0xe0 - 0xff */
385 0,
386 /* 0x100 - 0x11f */
387 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
388 /* 0x120 - 0x13f */
389 SET(WM_MENUCHAR),
390 /* 0x140 - 0x15f */
391 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
392 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
393 /* 0x160 - 0x17f */
394 0,
395 /* 0x180 - 0x19f */
396 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
397 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
398 /* 0x1a0 - 0x1bf */
399 SET(LB_FINDSTRINGEXACT),
400 /* 0x1c0 - 0x1df */
401 0,
402 /* 0x1e0 - 0x1ff */
403 0,
404 /* 0x200 - 0x21f */
405 0,
406 /* 0x220 - 0x23f */
407 SET(WM_MDICREATE),
408 /* 0x240 - 0x25f */
409 0,
410 /* 0x260 - 0x27f */
411 0,
412 /* 0x280 - 0x29f */
413 SET(WM_IME_CHAR),
414 /* 0x2a0 - 0x2bf */
415 0,
416 /* 0x2c0 - 0x2df */
417 0,
418 /* 0x2e0 - 0x2ff */
419 0,
420 /* 0x300 - 0x31f */
421 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
422 };
423
424 /* check whether a given message type includes pointers */
425 static inline BOOL is_pointer_message( UINT message )
426 {
427 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
428 return (message_pointer_flags[message / 32] & SET(message)) != 0;
429 }
430
431 /* check whether a given message type contains Unicode (or ASCII) chars */
432 static inline BOOL is_unicode_message( UINT message )
433 {
434 if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
435 return (message_unicode_flags[message / 32] & SET(message)) != 0;
436 }
437
438 #undef SET
439
440 /* add a data field to a packed message */
441 static inline void push_data( struct packed_message *data, const void *ptr, size_t size )
442 {
443 data->data[data->count] = ptr;
444 data->size[data->count] = size;
445 data->count++;
446 }
447
448 /* add a string to a packed message */
449 static inline void push_string( struct packed_message *data, LPCWSTR str )
450 {
451 push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
452 }
453
454 /* make sure that the buffer contains a valid null-terminated Unicode string */
455 static inline BOOL check_string( LPCWSTR str, size_t size )
456 {
457 for (size /= sizeof(WCHAR); size; size--, str++)
458 if (!*str) return TRUE;
459 return FALSE;
460 }
461
462 /* pack a pointer into a 32/64 portable format */
463 static inline ULONGLONG pack_ptr( const void *ptr )
464 {
465 return (ULONG_PTR)ptr;
466 }
467
468 /* unpack a potentially 64-bit pointer, returning 0 when truncated */
469 static inline void *unpack_ptr( ULONGLONG ptr64 )
470 {
471 if ((ULONG_PTR)ptr64 != ptr64) return 0;
472 return (void *)(ULONG_PTR)ptr64;
473 }
474
475 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
476 static inline void *get_buffer_space( void **buffer, size_t size )
477 {
478 void *ret;
479
480 if (*buffer)
481 {
482 if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
483 HeapFree( GetProcessHeap(), 0, *buffer );
484 }
485 else ret = HeapAlloc( GetProcessHeap(), 0, size );
486
487 *buffer = ret;
488 return ret;
489 }
490
491 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
492 static inline BOOL combobox_has_strings( HWND hwnd )
493 {
494 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
495 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
496 }
497
498 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
499 static inline BOOL listbox_has_strings( HWND hwnd )
500 {
501 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
502 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
503 }
504
505 /* check whether message is in the range of keyboard messages */
506 static inline BOOL is_keyboard_message( UINT message )
507 {
508 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
509 }
510
511 /* check whether message is in the range of mouse messages */
512 static inline BOOL is_mouse_message( UINT message )
513 {
514 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
515 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
516 }
517
518 /* check whether message matches the specified hwnd filter */
519 static inline BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
520 {
521 if (!hwnd_filter || hwnd_filter == GetDesktopWindow()) return TRUE;
522 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
523 }
524
525 /* check for pending WM_CHAR message with DBCS trailing byte */
526 static inline BOOL get_pending_wmchar( MSG *msg, UINT first, UINT last, BOOL remove )
527 {
528 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
529
530 if (!data || !data->get_msg.message) return FALSE;
531 if ((first || last) && (first > WM_CHAR || last < WM_CHAR)) return FALSE;
532 if (!msg) return FALSE;
533 *msg = data->get_msg;
534 if (remove) data->get_msg.message = 0;
535 return TRUE;
536 }
537
538
539 /***********************************************************************
540 * MessageWndProc
541 *
542 * Window procedure for "Message" windows (HWND_MESSAGE parent).
543 */
544 LRESULT WINAPI MessageWndProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
545 {
546 if (message == WM_NCCREATE) return TRUE;
547 return 0; /* all other messages are ignored */
548 }
549
550
551 /***********************************************************************
552 * broadcast_message_callback
553 *
554 * Helper callback for broadcasting messages.
555 */
556 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
557 {
558 struct send_message_info *info = (struct send_message_info *)lparam;
559 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
560 switch(info->type)
561 {
562 case MSG_UNICODE:
563 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
564 info->flags, info->timeout, NULL );
565 break;
566 case MSG_ASCII:
567 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
568 info->flags, info->timeout, NULL );
569 break;
570 case MSG_NOTIFY:
571 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
572 break;
573 case MSG_CALLBACK:
574 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
575 info->callback, info->data );
576 break;
577 case MSG_POSTED:
578 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
579 break;
580 default:
581 ERR( "bad type %d\n", info->type );
582 break;
583 }
584 return TRUE;
585 }
586
587 DWORD get_input_codepage( void )
588 {
589 DWORD cp;
590 int ret;
591 HKL hkl = GetKeyboardLayout( 0 );
592
593 ret = GetLocaleInfoW( LOWORD(hkl), LOCALE_IDEFAULTANSICODEPAGE | LOCALE_RETURN_NUMBER,
594 (WCHAR *)&cp, sizeof(cp) / sizeof(WCHAR) );
595 if (!ret) cp = CP_ACP;
596 return cp;
597 }
598
599 /***********************************************************************
600 * map_wparam_AtoW
601 *
602 * Convert the wparam of an ASCII message to Unicode.
603 */
604 BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping )
605 {
606 char ch[2];
607 WCHAR wch[2];
608 DWORD cp = get_input_codepage();
609
610 wch[0] = wch[1] = 0;
611 switch(message)
612 {
613 case WM_CHAR:
614 /* WM_CHAR is magic: a DBCS char can be sent/posted as two consecutive WM_CHAR
615 * messages, in which case the first char is stored, and the conversion
616 * to Unicode only takes place once the second char is sent/posted.
617 */
618 if (mapping != WMCHAR_MAP_NOMAPPING)
619 {
620 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
621 BYTE low = LOBYTE(*wparam);
622
623 if (HIBYTE(*wparam))
624 {
625 ch[0] = low;
626 ch[1] = HIBYTE(*wparam);
627 MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
628 TRACE( "map %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
629 if (data) data->lead_byte[mapping] = 0;
630 }
631 else if (data && data->lead_byte[mapping])
632 {
633 ch[0] = data->lead_byte[mapping];
634 ch[1] = low;
635 MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
636 TRACE( "map stored %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
637 data->lead_byte[mapping] = 0;
638 }
639 else if (!IsDBCSLeadByte( low ))
640 {
641 ch[0] = low;
642 MultiByteToWideChar( cp, 0, ch, 1, wch, 2 );
643 TRACE( "map %02x -> %04x\n", (BYTE)ch[0], wch[0] );
644 if (data) data->lead_byte[mapping] = 0;
645 }
646 else /* store it and wait for trail byte */
647 {
648 if (!data)
649 {
650 if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
651 return FALSE;
652 get_user_thread_info()->wmchar_data = data;
653 }
654 TRACE( "storing lead byte %02x mapping %u\n", low, mapping );
655 data->lead_byte[mapping] = low;
656 return FALSE;
657 }
658 *wparam = MAKEWPARAM(wch[0], wch[1]);
659 break;
660 }
661 /* else fall through */
662 case WM_CHARTOITEM:
663 case EM_SETPASSWORDCHAR:
664 case WM_DEADCHAR:
665 case WM_SYSCHAR:
666 case WM_SYSDEADCHAR:
667 case WM_MENUCHAR:
668 ch[0] = LOBYTE(*wparam);
669 ch[1] = HIBYTE(*wparam);
670 MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
671 *wparam = MAKEWPARAM(wch[0], wch[1]);
672 break;
673 case WM_IME_CHAR:
674 ch[0] = HIBYTE(*wparam);
675 ch[1] = LOBYTE(*wparam);
676 if (ch[0]) MultiByteToWideChar( cp, 0, ch, 2, wch, 2 );
677 else MultiByteToWideChar( cp, 0, ch + 1, 1, wch, 1 );
678 *wparam = MAKEWPARAM(wch[0], HIWORD(*wparam));
679 break;
680 }
681 return TRUE;
682 }
683
684
685 /***********************************************************************
686 * map_wparam_WtoA
687 *
688 * Convert the wparam of a Unicode message to ASCII.
689 */
690 static void map_wparam_WtoA( MSG *msg, BOOL remove )
691 {
692 BYTE ch[4];
693 WCHAR wch[2];
694 DWORD len;
695 DWORD cp = get_input_codepage();
696
697 switch(msg->message)
698 {
699 case WM_CHAR:
700 if (!HIWORD(msg->wParam))
701 {
702 wch[0] = LOWORD(msg->wParam);
703 ch[0] = ch[1] = 0;
704 len = WideCharToMultiByte( cp, 0, wch, 1, (LPSTR)ch, 2, NULL, NULL );
705 if (len == 2) /* DBCS char */
706 {
707 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
708 if (!data)
709 {
710 if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) ))) return;
711 get_user_thread_info()->wmchar_data = data;
712 }
713 if (remove)
714 {
715 data->get_msg = *msg;
716 data->get_msg.wParam = ch[1];
717 }
718 msg->wParam = ch[0];
719 return;
720 }
721 }
722 /* else fall through */
723 case WM_CHARTOITEM:
724 case EM_SETPASSWORDCHAR:
725 case WM_DEADCHAR:
726 case WM_SYSCHAR:
727 case WM_SYSDEADCHAR:
728 case WM_MENUCHAR:
729 wch[0] = LOWORD(msg->wParam);
730 wch[1] = HIWORD(msg->wParam);
731 ch[0] = ch[1] = 0;
732 WideCharToMultiByte( cp, 0, wch, 2, (LPSTR)ch, 4, NULL, NULL );
733 msg->wParam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
734 break;
735 case WM_IME_CHAR:
736 wch[0] = LOWORD(msg->wParam);
737 ch[0] = ch[1] = 0;
738 len = WideCharToMultiByte( cp, 0, wch, 1, (LPSTR)ch, 2, NULL, NULL );
739 if (len == 2)
740 msg->wParam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(msg->wParam) );
741 else
742 msg->wParam = MAKEWPARAM( ch[0], HIWORD(msg->wParam) );
743 break;
744 }
745 }
746
747
748 /***********************************************************************
749 * pack_message
750 *
751 * Pack a message for sending to another process.
752 * Return the size of the data we expect in the message reply.
753 * Set data->count to -1 if there is an error.
754 */
755 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
756 struct packed_message *data )
757 {
758 data->count = 0;
759 switch(message)
760 {
761 case WM_NCCREATE:
762 case WM_CREATE:
763 {
764 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
765 data->ps.cs.lpCreateParams = pack_ptr( cs->lpCreateParams );
766 data->ps.cs.hInstance = pack_ptr( cs->hInstance );
767 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
768 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
769 data->ps.cs.cy = cs->cy;
770 data->ps.cs.cx = cs->cx;
771 data->ps.cs.y = cs->y;
772 data->ps.cs.x = cs->x;
773 data->ps.cs.style = cs->style;
774 data->ps.cs.dwExStyle = cs->dwExStyle;
775 data->ps.cs.lpszName = pack_ptr( cs->lpszName );
776 data->ps.cs.lpszClass = pack_ptr( cs->lpszClass );
777 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
778 if (!IS_INTRESOURCE(cs->lpszName)) push_string( data, cs->lpszName );
779 if (!IS_INTRESOURCE(cs->lpszClass)) push_string( data, cs->lpszClass );
780 return sizeof(data->ps.cs);
781 }
782 case WM_GETTEXT:
783 case WM_ASKCBFORMATNAME:
784 return wparam * sizeof(WCHAR);
785 case WM_WININICHANGE:
786 if (lparam) push_string(data, (LPWSTR)lparam );
787 return 0;
788 case WM_SETTEXT:
789 case WM_DEVMODECHANGE:
790 case CB_DIR:
791 case LB_DIR:
792 case LB_ADDFILE:
793 case EM_REPLACESEL:
794 push_string( data, (LPWSTR)lparam );
795 return 0;
796 case WM_GETMINMAXINFO:
797 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
798 return sizeof(MINMAXINFO);
799 case WM_DRAWITEM:
800 {
801 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam;
802 data->ps.dis.CtlType = dis->CtlType;
803 data->ps.dis.CtlID = dis->CtlID;
804 data->ps.dis.itemID = dis->itemID;
805 data->ps.dis.itemAction = dis->itemAction;
806 data->ps.dis.itemState = dis->itemState;
807 data->ps.dis.hwndItem = wine_server_user_handle( dis->hwndItem );
808 data->ps.dis.hDC = wine_server_user_handle( dis->hDC ); /* FIXME */
809 data->ps.dis.rcItem = dis->rcItem;
810 data->ps.dis.itemData = dis->itemData;
811 push_data( data, &data->ps.dis, sizeof(data->ps.dis) );
812 return 0;
813 }
814 case WM_MEASUREITEM:
815 {
816 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
817 data->ps.mis.CtlType = mis->CtlType;
818 data->ps.mis.CtlID = mis->CtlID;
819 data->ps.mis.itemID = mis->itemID;
820 data->ps.mis.itemWidth = mis->itemWidth;
821 data->ps.mis.itemHeight = mis->itemHeight;
822 data->ps.mis.itemData = mis->itemData;
823 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
824 return sizeof(data->ps.mis);
825 }
826 case WM_DELETEITEM:
827 {
828 DELETEITEMSTRUCT *dls = (DELETEITEMSTRUCT *)lparam;
829 data->ps.dls.CtlType = dls->CtlType;
830 data->ps.dls.CtlID = dls->CtlID;
831 data->ps.dls.itemID = dls->itemID;
832 data->ps.dls.hwndItem = wine_server_user_handle( dls->hwndItem );
833 data->ps.dls.itemData = dls->itemData;
834 push_data( data, &data->ps.dls, sizeof(data->ps.dls) );
835 return 0;
836 }
837 case WM_COMPAREITEM:
838 {
839 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)lparam;
840 data->ps.cis.CtlType = cis->CtlType;
841 data->ps.cis.CtlID = cis->CtlID;
842 data->ps.cis.hwndItem = wine_server_user_handle( cis->hwndItem );
843 data->ps.cis.itemID1 = cis->itemID1;
844 data->ps.cis.itemData1 = cis->itemData1;
845 data->ps.cis.itemID2 = cis->itemID2;
846 data->ps.cis.itemData2 = cis->itemData2;
847 data->ps.cis.dwLocaleId = cis->dwLocaleId;
848 push_data( data, &data->ps.cis, sizeof(data->ps.cis) );
849 return 0;
850 }
851 case WM_WINE_SETWINDOWPOS:
852 case WM_WINDOWPOSCHANGING:
853 case WM_WINDOWPOSCHANGED:
854 {
855 WINDOWPOS *wp = (WINDOWPOS *)lparam;
856 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
857 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
858 data->ps.wp.x = wp->x;
859 data->ps.wp.y = wp->y;
860 data->ps.wp.cx = wp->cx;
861 data->ps.wp.cy = wp->cy;
862 data->ps.wp.flags = wp->flags;
863 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
864 return sizeof(data->ps.wp);
865 }
866 case WM_COPYDATA:
867 {
868 COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lparam;
869 data->ps.cds.cbData = cds->cbData;
870 data->ps.cds.dwData = cds->dwData;
871 data->ps.cds.lpData = pack_ptr( cds->lpData );
872 push_data( data, &data->ps.cds, sizeof(data->ps.cds) );
873 if (cds->lpData) push_data( data, cds->lpData, cds->cbData );
874 return 0;
875 }
876 case WM_NOTIFY:
877 /* WM_NOTIFY cannot be sent across processes (MSDN) */
878 data->count = -1;
879 return 0;
880 case WM_HELP:
881 {
882 HELPINFO *hi = (HELPINFO *)lparam;
883 data->ps.hi.iContextType = hi->iContextType;
884 data->ps.hi.iCtrlId = hi->iCtrlId;
885 data->ps.hi.hItemHandle = wine_server_user_handle( hi->hItemHandle );
886 data->ps.hi.dwContextId = hi->dwContextId;
887 data->ps.hi.MousePos = hi->MousePos;
888 push_data( data, &data->ps.hi, sizeof(data->ps.hi) );
889 return 0;
890 }
891 case WM_STYLECHANGING:
892 case WM_STYLECHANGED:
893 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
894 return 0;
895 case WM_NCCALCSIZE:
896 if (!wparam)
897 {
898 push_data( data, (RECT *)lparam, sizeof(RECT) );
899 return sizeof(RECT);
900 }
901 else
902 {
903 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
904 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
905 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
906 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
907 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
908 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
909 data->ps.ncp.x = ncp->lppos->x;
910 data->ps.ncp.y = ncp->lppos->y;
911 data->ps.ncp.cx = ncp->lppos->cx;
912 data->ps.ncp.cy = ncp->lppos->cy;
913 data->ps.ncp.flags = ncp->lppos->flags;
914 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
915 return sizeof(data->ps.ncp);
916 }
917 case WM_GETDLGCODE:
918 if (lparam)
919 {
920 MSG *msg = (MSG *)lparam;
921 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
922 data->ps.msg.message = msg->message;
923 data->ps.msg.wParam = msg->wParam;
924 data->ps.msg.lParam = msg->lParam;
925 data->ps.msg.time = msg->time;
926 data->ps.msg.pt = msg->pt;
927 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
928 return sizeof(data->ps.msg);
929 }
930 return 0;
931 case SBM_SETSCROLLINFO:
932 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
933 return 0;
934 case SBM_GETSCROLLINFO:
935 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
936 return sizeof(SCROLLINFO);
937 case SBM_GETSCROLLBARINFO:
938 {
939 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
940 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
941 push_data( data, info, size );
942 return size;
943 }
944 case EM_GETSEL:
945 case SBM_GETRANGE:
946 case CB_GETEDITSEL:
947 {
948 size_t size = 0;
949 if (wparam) size += sizeof(DWORD);
950 if (lparam) size += sizeof(DWORD);
951 return size;
952 }
953 case EM_GETRECT:
954 case LB_GETITEMRECT:
955 case CB_GETDROPPEDCONTROLRECT:
956 return sizeof(RECT);
957 case EM_SETRECT:
958 case EM_SETRECTNP:
959 push_data( data, (RECT *)lparam, sizeof(RECT) );
960 return 0;
961 case EM_GETLINE:
962 {
963 WORD *pw = (WORD *)lparam;
964 push_data( data, pw, sizeof(*pw) );
965 return *pw * sizeof(WCHAR);
966 }
967 case EM_SETTABSTOPS:
968 case LB_SETTABSTOPS:
969 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
970 return 0;
971 case CB_ADDSTRING:
972 case CB_INSERTSTRING:
973 case CB_FINDSTRING:
974 case CB_FINDSTRINGEXACT:
975 case CB_SELECTSTRING:
976 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
977 return 0;
978 case CB_GETLBTEXT:
979 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
980 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
981 case LB_ADDSTRING:
982 case LB_INSERTSTRING:
983 case LB_FINDSTRING:
984 case LB_FINDSTRINGEXACT:
985 case LB_SELECTSTRING:
986 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
987 return 0;
988 case LB_GETTEXT:
989 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
990 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
991 case LB_GETSELITEMS:
992 return wparam * sizeof(UINT);
993 case WM_NEXTMENU:
994 {
995 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
996 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
997 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
998 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
999 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
1000 return sizeof(data->ps.mnm);
1001 }
1002 case WM_SIZING:
1003 case WM_MOVING:
1004 push_data( data, (RECT *)lparam, sizeof(RECT) );
1005 return sizeof(RECT);
1006 case WM_MDICREATE:
1007 {
1008 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1009 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
1010 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
1011 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
1012 data->ps.mcs.x = mcs->x;
1013 data->ps.mcs.y = mcs->y;
1014 data->ps.mcs.cx = mcs->cx;
1015 data->ps.mcs.cy = mcs->cy;
1016 data->ps.mcs.style = mcs->style;
1017 data->ps.mcs.lParam = mcs->lParam;
1018 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
1019 if (!IS_INTRESOURCE(mcs->szClass)) push_string( data, mcs->szClass );
1020 if (!IS_INTRESOURCE(mcs->szTitle)) push_string( data, mcs->szTitle );
1021 return sizeof(data->ps.mcs);
1022 }
1023 case WM_MDIGETACTIVE:
1024 if (lparam) return sizeof(BOOL);
1025 return 0;
1026 case WM_DEVICECHANGE:
1027 {
1028 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
1029 push_data( data, header, header->dbch_size );
1030 return 0;
1031 }
1032 case WM_WINE_KEYBOARD_LL_HOOK:
1033 {
1034 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1035 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
1036 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
1037 push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
1038 return 0;
1039 }
1040 case WM_WINE_MOUSE_LL_HOOK:
1041 {
1042 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1043 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
1044 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
1045 push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
1046 return 0;
1047 }
1048 case WM_NCPAINT:
1049 if (wparam <= 1) return 0;
1050 FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
1051 data->count = -1;
1052 return 0;
1053 case WM_PAINT:
1054 if (!wparam) return 0;
1055 /* fall through */
1056
1057 /* these contain an HFONT */
1058 case WM_SETFONT:
1059 case WM_GETFONT:
1060 /* these contain an HDC */
1061 case WM_ERASEBKGND:
1062 case WM_ICONERASEBKGND:
1063 case WM_CTLCOLORMSGBOX:
1064 case WM_CTLCOLOREDIT:
1065 case WM_CTLCOLORLISTBOX:
1066 case WM_CTLCOLORBTN:
1067 case WM_CTLCOLORDLG:
1068 case WM_CTLCOLORSCROLLBAR:
1069 case WM_CTLCOLORSTATIC:
1070 case WM_PRINT:
1071 case WM_PRINTCLIENT:
1072 /* these contain an HGLOBAL */
1073 case WM_PAINTCLIPBOARD:
1074 case WM_SIZECLIPBOARD:
1075 /* these contain HICON */
1076 case WM_GETICON:
1077 case WM_SETICON:
1078 case WM_QUERYDRAGICON:
1079 case WM_QUERYPARKICON:
1080 /* these contain pointers */
1081 case WM_DROPOBJECT:
1082 case WM_QUERYDROPOBJECT:
1083 case WM_DRAGLOOP:
1084 case WM_DRAGSELECT:
1085 case WM_DRAGMOVE:
1086 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
1087 data->count = -1;
1088 return 0;
1089 }
1090 return 0;
1091 }
1092
1093
1094 /***********************************************************************
1095 * unpack_message
1096 *
1097 * Unpack a message received from another process.
1098 */
1099 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1100 void **buffer, size_t size )
1101 {
1102 size_t minsize = 0;
1103 union packed_structs *ps = *buffer;
1104
1105 switch(message)
1106 {
1107 case WM_NCCREATE:
1108 case WM_CREATE:
1109 {
1110 CREATESTRUCTW cs;
1111 WCHAR *str = (WCHAR *)(&ps->cs + 1);
1112 if (size < sizeof(ps->cs)) return FALSE;
1113 size -= sizeof(ps->cs);
1114 cs.lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
1115 cs.hInstance = unpack_ptr( ps->cs.hInstance );
1116 cs.hMenu = wine_server_ptr_handle( ps->cs.hMenu );
1117 cs.hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
1118 cs.cy = ps->cs.cy;
1119 cs.cx = ps->cs.cx;
1120 cs.y = ps->cs.y;
1121 cs.x = ps->cs.x;
1122 cs.style = ps->cs.style;
1123 cs.dwExStyle = ps->cs.dwExStyle;
1124 cs.lpszName = unpack_ptr( ps->cs.lpszName );
1125 cs.lpszClass = unpack_ptr( ps->cs.lpszClass );
1126 if (ps->cs.lpszName >> 16)
1127 {
1128 if (!check_string( str, size )) return FALSE;
1129 cs.lpszName = str;
1130 size -= (strlenW(str) + 1) * sizeof(WCHAR);
1131 str += strlenW(str) + 1;
1132 }
1133 if (ps->cs.lpszClass >> 16)
1134 {
1135 if (!check_string( str, size )) return FALSE;
1136 cs.lpszClass = str;
1137 }
1138 memcpy( &ps->cs, &cs, sizeof(cs) );
1139 break;
1140 }
1141 case WM_GETTEXT:
1142 case WM_ASKCBFORMATNAME:
1143 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
1144 break;
1145 case WM_WININICHANGE:
1146 if (!*lparam) return TRUE;
1147 /* fall through */
1148 case WM_SETTEXT:
1149 case WM_DEVMODECHANGE:
1150 case CB_DIR:
1151 case LB_DIR:
1152 case LB_ADDFILE:
1153 case EM_REPLACESEL:
1154 if (!check_string( *buffer, size )) return FALSE;
1155 break;
1156 case WM_GETMINMAXINFO:
1157 minsize = sizeof(MINMAXINFO);
1158 break;
1159 case WM_DRAWITEM:
1160 {
1161 DRAWITEMSTRUCT dis;
1162 if (size < sizeof(ps->dis)) return FALSE;
1163 dis.CtlType = ps->dis.CtlType;
1164 dis.CtlID = ps->dis.CtlID;
1165 dis.itemID = ps->dis.itemID;
1166 dis.itemAction = ps->dis.itemAction;
1167 dis.itemState = ps->dis.itemState;
1168 dis.hwndItem = wine_server_ptr_handle( ps->dis.hwndItem );
1169 dis.hDC = wine_server_ptr_handle( ps->dis.hDC );
1170 dis.rcItem = ps->dis.rcItem;
1171 dis.itemData = (ULONG_PTR)unpack_ptr( ps->dis.itemData );
1172 memcpy( &ps->dis, &dis, sizeof(dis) );
1173 break;
1174 }
1175 case WM_MEASUREITEM:
1176 {
1177 MEASUREITEMSTRUCT mis;
1178 if (size < sizeof(ps->mis)) return FALSE;
1179 mis.CtlType = ps->mis.CtlType;
1180 mis.CtlID = ps->mis.CtlID;
1181 mis.itemID = ps->mis.itemID;
1182 mis.itemWidth = ps->mis.itemWidth;
1183 mis.itemHeight = ps->mis.itemHeight;
1184 mis.itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
1185 memcpy( &ps->mis, &mis, sizeof(mis) );
1186 break;
1187 }
1188 case WM_DELETEITEM:
1189 {
1190 DELETEITEMSTRUCT dls;
1191 if (size < sizeof(ps->dls)) return FALSE;
1192 dls.CtlType = ps->dls.CtlType;
1193 dls.CtlID = ps->dls.CtlID;
1194 dls.itemID = ps->dls.itemID;
1195 dls.hwndItem = wine_server_ptr_handle( ps->dls.hwndItem );
1196 dls.itemData = (ULONG_PTR)unpack_ptr( ps->dls.itemData );
1197 memcpy( &ps->dls, &dls, sizeof(dls) );
1198 break;
1199 }
1200 case WM_COMPAREITEM:
1201 {
1202 COMPAREITEMSTRUCT cis;
1203 if (size < sizeof(ps->cis)) return FALSE;
1204 cis.CtlType = ps->cis.CtlType;
1205 cis.CtlID = ps->cis.CtlID;
1206 cis.hwndItem = wine_server_ptr_handle( ps->cis.hwndItem );
1207 cis.itemID1 = ps->cis.itemID1;
1208 cis.itemData1 = (ULONG_PTR)unpack_ptr( ps->cis.itemData1 );
1209 cis.itemID2 = ps->cis.itemID2;
1210 cis.itemData2 = (ULONG_PTR)unpack_ptr( ps->cis.itemData2 );
1211 cis.dwLocaleId = ps->cis.dwLocaleId;
1212 memcpy( &ps->cis, &cis, sizeof(cis) );
1213 break;
1214 }
1215 case WM_WINDOWPOSCHANGING:
1216 case WM_WINDOWPOSCHANGED:
1217 case WM_WINE_SETWINDOWPOS:
1218 {
1219 WINDOWPOS wp;
1220 if (size < sizeof(ps->wp)) return FALSE;
1221 wp.hwnd = wine_server_ptr_handle( ps->wp.hwnd );
1222 wp.hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
1223 wp.x = ps->wp.x;
1224 wp.y = ps->wp.y;
1225 wp.cx = ps->wp.cx;
1226 wp.cy = ps->wp.cy;
1227 wp.flags = ps->wp.flags;
1228 memcpy( &ps->wp, &wp, sizeof(wp) );
1229 break;
1230 }
1231 case WM_COPYDATA:
1232 {
1233 COPYDATASTRUCT cds;
1234 if (size < sizeof(ps->cds)) return FALSE;
1235 cds.dwData = (ULONG_PTR)unpack_ptr( ps->cds.dwData );
1236 if (ps->cds.lpData)
1237 {
1238 cds.cbData = ps->cds.cbData;
1239 cds.lpData = &ps->cds + 1;
1240 minsize = sizeof(ps->cds) + cds.cbData;
1241 }
1242 else
1243 {
1244 cds.cbData = 0;
1245 cds.lpData = 0;
1246 }
1247 memcpy( &ps->cds, &cds, sizeof(cds) );
1248 break;
1249 }
1250 case WM_NOTIFY:
1251 /* WM_NOTIFY cannot be sent across processes (MSDN) */
1252 return FALSE;
1253 case WM_HELP:
1254 {
1255 HELPINFO hi;
1256 if (size < sizeof(ps->hi)) return FALSE;
1257 hi.cbSize = sizeof(hi);
1258 hi.iContextType = ps->hi.iContextType;
1259 hi.iCtrlId = ps->hi.iCtrlId;
1260 hi.hItemHandle = wine_server_ptr_handle( ps->hi.hItemHandle );
1261 hi.dwContextId = (ULONG_PTR)unpack_ptr( ps->hi.dwContextId );
1262 hi.MousePos = ps->hi.MousePos;
1263 memcpy( &ps->hi, &hi, sizeof(hi) );
1264 break;
1265 }
1266 case WM_STYLECHANGING:
1267 case WM_STYLECHANGED:
1268 minsize = sizeof(STYLESTRUCT);
1269 break;
1270 case WM_NCCALCSIZE:
1271 if (!*wparam) minsize = sizeof(RECT);
1272 else
1273 {
1274 NCCALCSIZE_PARAMS ncp;
1275 WINDOWPOS wp;
1276 if (size < sizeof(ps->ncp)) return FALSE;
1277 ncp.rgrc[0] = ps->ncp.rgrc[0];
1278 ncp.rgrc[1] = ps->ncp.rgrc[1];
1279 ncp.rgrc[2] = ps->ncp.rgrc[2];
1280 wp.hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1281 wp.hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1282 wp.x = ps->ncp.x;
1283 wp.y = ps->ncp.y;
1284 wp.cx = ps->ncp.cx;
1285 wp.cy = ps->ncp.cy;
1286 wp.flags = ps->ncp.flags;
1287 ncp.lppos = (WINDOWPOS *)((NCCALCSIZE_PARAMS *)&ps->ncp + 1);
1288 memcpy( &ps->ncp, &ncp, sizeof(ncp) );
1289 *ncp.lppos = wp;
1290 }
1291 break;
1292 case WM_GETDLGCODE:
1293 if (*lparam)
1294 {
1295 MSG msg;
1296 if (size < sizeof(ps->msg)) return FALSE;
1297 msg.hwnd = wine_server_ptr_handle( ps->msg.hwnd );
1298 msg.message = ps->msg.message;
1299 msg.wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
1300 msg.lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
1301 msg.time = ps->msg.time;
1302 msg.pt = ps->msg.pt;
1303 memcpy( &ps->msg, &msg, sizeof(msg) );
1304 break;
1305 }
1306 return TRUE;
1307 case SBM_SETSCROLLINFO:
1308 minsize = sizeof(SCROLLINFO);
1309 break;
1310 case SBM_GETSCROLLINFO:
1311 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
1312 break;
1313 case SBM_GETSCROLLBARINFO:
1314 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
1315 break;
1316 case EM_GETSEL:
1317 case SBM_GETRANGE:
1318 case CB_GETEDITSEL:
1319 if (*wparam || *lparam)
1320 {
1321 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
1322 if (*wparam) *wparam = (WPARAM)*buffer;
1323 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
1324 }
1325 return TRUE;
1326 case EM_GETRECT:
1327 case LB_GETITEMRECT:
1328 case CB_GETDROPPEDCONTROLRECT:
1329 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
1330 break;
1331 case EM_SETRECT:
1332 case EM_SETRECTNP:
1333 minsize = sizeof(RECT);
1334 break;
1335 case EM_GETLINE:
1336 {
1337 WORD len;
1338 if (size < sizeof(WORD)) return FALSE;
1339 len = *(WORD *)*buffer;
1340 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
1341 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
1342 return TRUE;
1343 }
1344 case EM_SETTABSTOPS:
1345 case LB_SETTABSTOPS:
1346 if (!*wparam) return TRUE;
1347 minsize = *wparam * sizeof(UINT);
1348 break;
1349 case CB_ADDSTRING:
1350 case CB_INSERTSTRING:
1351 case CB_FINDSTRING:
1352 case CB_FINDSTRINGEXACT:
1353 case CB_SELECTSTRING:
1354 case LB_ADDSTRING:
1355 case LB_INSERTSTRING:
1356 case LB_FINDSTRING:
1357 case LB_FINDSTRINGEXACT:
1358 case LB_SELECTSTRING:
1359 if (!*buffer) return TRUE;
1360 if (!check_string( *buffer, size )) return FALSE;
1361 break;
1362 case CB_GETLBTEXT:
1363 {
1364 size = sizeof(ULONG_PTR);
1365 if (combobox_has_strings( hwnd ))
1366 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
1367 if (!get_buffer_space( buffer, size )) return FALSE;
1368 break;
1369 }
1370 case LB_GETTEXT:
1371 {
1372 size = sizeof(ULONG_PTR);
1373 if (listbox_has_strings( hwnd ))
1374 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
1375 if (!get_buffer_space( buffer, size )) return FALSE;
1376 break;
1377 }
1378 case LB_GETSELITEMS:
1379 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
1380 break;
1381 case WM_NEXTMENU:
1382 {
1383 MDINEXTMENU mnm;
1384 if (size < sizeof(ps->mnm)) return FALSE;
1385 mnm.hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
1386 mnm.hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
1387 mnm.hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
1388 memcpy( &ps->mnm, &mnm, sizeof(mnm) );
1389 break;
1390 }
1391 case WM_SIZING:
1392 case WM_MOVING:
1393 minsize = sizeof(RECT);
1394 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
1395 break;
1396 case WM_MDICREATE:
1397 {
1398 MDICREATESTRUCTW mcs;
1399 WCHAR *str = (WCHAR *)(&ps->mcs + 1);
1400 if (size < sizeof(ps->mcs)) return FALSE;
1401 size -= sizeof(ps->mcs);
1402
1403 mcs.szClass = unpack_ptr( ps->mcs.szClass );
1404 mcs.szTitle = unpack_ptr( ps->mcs.szTitle );
1405 mcs.hOwner = unpack_ptr( ps->mcs.hOwner );
1406 mcs.x = ps->mcs.x;
1407 mcs.y = ps->mcs.y;
1408 mcs.cx = ps->mcs.cx;
1409 mcs.cy = ps->mcs.cy;
1410 mcs.style = ps->mcs.style;
1411 mcs.lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1412 if (ps->mcs.szClass >> 16)
1413 {
1414 if (!check_string( str, size )) return FALSE;
1415 mcs.szClass = str;
1416 size -= (strlenW(str) + 1) * sizeof(WCHAR);
1417 str += strlenW(str) + 1;
1418 }
1419 if (ps->mcs.szTitle >> 16)
1420 {
1421 if (!check_string( str, size )) return FALSE;
1422 mcs.szTitle = str;
1423 }
1424 memcpy( &ps->mcs, &mcs, sizeof(mcs) );
1425 break;
1426 }
1427 case WM_MDIGETACTIVE:
1428 if (!*lparam) return TRUE;
1429 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
1430 break;
1431 case WM_DEVICECHANGE:
1432 minsize = sizeof(DEV_BROADCAST_HDR);
1433 break;
1434 case WM_WINE_KEYBOARD_LL_HOOK:
1435 case WM_WINE_MOUSE_LL_HOOK:
1436 {
1437 struct hook_extra_info h_extra;
1438 minsize = sizeof(ps->hook) +
1439 (message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
1440 : sizeof(MSLLHOOKSTRUCT));
1441 if (size < minsize) return FALSE;
1442 h_extra.handle = wine_server_ptr_handle( ps->hook.handle );
1443 h_extra.lparam = (LPARAM)(&ps->hook + 1);
1444 memcpy( &ps->hook, &h_extra, sizeof(h_extra) );
1445 break;
1446 }
1447 case WM_NCPAINT:
1448 if (*wparam <= 1) return TRUE;
1449 FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
1450 return FALSE;
1451 case WM_PAINT:
1452 if (!*wparam) return TRUE;
1453 /* fall through */
1454
1455 /* these contain an HFONT */
1456 case WM_SETFONT:
1457 case WM_GETFONT:
1458 /* these contain an HDC */
1459 case WM_ERASEBKGND:
1460 case WM_ICONERASEBKGND:
1461 case WM_CTLCOLORMSGBOX:
1462 case WM_CTLCOLOREDIT:
1463 case WM_CTLCOLORLISTBOX:
1464 case WM_CTLCOLORBTN:
1465 case WM_CTLCOLORDLG:
1466 case WM_CTLCOLORSCROLLBAR:
1467 case WM_CTLCOLORSTATIC:
1468 case WM_PRINT:
1469 case WM_PRINTCLIENT:
1470 /* these contain an HGLOBAL */
1471 case WM_PAINTCLIPBOARD:
1472 case WM_SIZECLIPBOARD:
1473 /* these contain HICON */
1474 case WM_GETICON:
1475 case WM_SETICON:
1476 case WM_QUERYDRAGICON:
1477 case WM_QUERYPARKICON:
1478 /* these contain pointers */
1479 case WM_DROPOBJECT:
1480 case WM_QUERYDROPOBJECT:
1481 case WM_DRAGLOOP:
1482 case WM_DRAGSELECT:
1483 case WM_DRAGMOVE:
1484 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
1485 return FALSE;
1486
1487 default:
1488 return TRUE; /* message doesn't need any unpacking */
1489 }
1490
1491 /* default exit for most messages: check minsize and store buffer in lparam */
1492 if (size < minsize) return FALSE;
1493 *lparam = (LPARAM)*buffer;
1494 return TRUE;
1495 }
1496
1497
1498 /***********************************************************************
1499 * pack_reply
1500 *
1501 * Pack a reply to a message for sending to another process.
1502 */
1503 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1504 LRESULT res, struct packed_message *data )
1505 {
1506 data->count = 0;
1507 switch(message)
1508 {
1509 case WM_NCCREATE:
1510 case WM_CREATE:
1511 {
1512 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1513 data->ps.cs.lpCreateParams = (ULONG_PTR)cs->lpCreateParams;
1514 data->ps.cs.hInstance = (ULONG_PTR)cs->hInstance;
1515 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
1516 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
1517 data->ps.cs.cy = cs->cy;
1518 data->ps.cs.cx = cs->cx;
1519 data->ps.cs.y = cs->y;
1520 data->ps.cs.x = cs->x;
1521 data->ps.cs.style = cs->style;
1522 data->ps.cs.dwExStyle = cs->dwExStyle;
1523 data->ps.cs.lpszName = (ULONG_PTR)cs->lpszName;
1524 data->ps.cs.lpszClass = (ULONG_PTR)cs->lpszClass;
1525 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
1526 break;
1527 }
1528 case WM_GETTEXT:
1529 case CB_GETLBTEXT:
1530 case LB_GETTEXT:
1531 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
1532 break;
1533 case WM_GETMINMAXINFO:
1534 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
1535 break;
1536 case WM_MEASUREITEM:
1537 {
1538 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
1539 data->ps.mis.CtlType = mis->CtlType;
1540 data->ps.mis.CtlID = mis->CtlID;
1541 data->ps.mis.itemID = mis->itemID;
1542 data->ps.mis.itemWidth = mis->itemWidth;
1543 data->ps.mis.itemHeight = mis->itemHeight;
1544 data->ps.mis.itemData = mis->itemData;
1545 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
1546 break;
1547 }
1548 case WM_WINDOWPOSCHANGING:
1549 case WM_WINDOWPOSCHANGED:
1550 {
1551 WINDOWPOS *wp = (WINDOWPOS *)lparam;
1552 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
1553 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
1554 data->ps.wp.x = wp->x;
1555 data->ps.wp.y = wp->y;
1556 data->ps.wp.cx = wp->cx;
1557 data->ps.wp.cy = wp->cy;
1558 data->ps.wp.flags = wp->flags;
1559 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
1560 break;
1561 }
1562 case WM_GETDLGCODE:
1563 if (lparam)
1564 {
1565 MSG *msg = (MSG *)lparam;
1566 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
1567 data->ps.msg.message = msg->message;
1568 data->ps.msg.wParam = msg->wParam;
1569 data->ps.msg.lParam = msg->lParam;
1570 data->ps.msg.time = msg->time;
1571 data->ps.msg.pt = msg->pt;
1572 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
1573 }
1574 break;
1575 case SBM_GETSCROLLINFO:
1576 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
1577 break;
1578 case EM_GETRECT:
1579 case LB_GETITEMRECT:
1580 case CB_GETDROPPEDCONTROLRECT:
1581 case WM_SIZING:
1582 case WM_MOVING:
1583 push_data( data, (RECT *)lparam, sizeof(RECT) );
1584 break;
1585 case EM_GETLINE:
1586 {
1587 WORD *ptr = (WORD *)lparam;
1588 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
1589 break;
1590 }
1591 case LB_GETSELITEMS:
1592 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
1593 break;
1594 case WM_MDIGETACTIVE:
1595 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
1596 break;
1597 case WM_NCCALCSIZE:
1598 if (!wparam)
1599 push_data( data, (RECT *)lparam, sizeof(RECT) );
1600 else
1601 {
1602 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1603 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
1604 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
1605 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
1606 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
1607 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
1608 data->ps.ncp.x = ncp->lppos->x;
1609 data->ps.ncp.y = ncp->lppos->y;
1610 data->ps.ncp.cx = ncp->lppos->cx;
1611 data->ps.ncp.cy = ncp->lppos->cy;
1612 data->ps.ncp.flags = ncp->lppos->flags;
1613 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
1614 }
1615 break;
1616 case EM_GETSEL:
1617 case SBM_GETRANGE:
1618 case CB_GETEDITSEL:
1619 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
1620 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
1621 break;
1622 case WM_NEXTMENU:
1623 {
1624 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
1625 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
1626 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
1627 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
1628 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
1629 break;
1630 }
1631 case WM_MDICREATE:
1632 {
1633 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1634 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
1635 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
1636 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
1637 data->ps.mcs.x = mcs->x;
1638 data->ps.mcs.y = mcs->y;
1639 data->ps.mcs.cx = mcs->cx;
1640 data->ps.mcs.cy = mcs->cy;
1641 data->ps.mcs.style = mcs->style;
1642 data->ps.mcs.lParam = mcs->lParam;
1643 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
1644 break;
1645 }
1646 case WM_ASKCBFORMATNAME:
1647 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1648 break;
1649 }
1650 }
1651
1652
1653 /***********************************************************************
1654 * unpack_reply
1655 *
1656 * Unpack a message reply received from another process.
1657 */
1658 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1659 void *buffer, size_t size )
1660 {
1661 union packed_structs *ps = buffer;
1662
1663 switch(message)
1664 {
1665 case WM_NCCREATE:
1666 case WM_CREATE:
1667 if (size >= sizeof(ps->cs))
1668 {
1669 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1670 cs->lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
1671 cs->hInstance = unpack_ptr( ps->cs.hInstance );
1672 cs->hMenu = wine_server_ptr_handle( ps->cs.hMenu );
1673 cs->hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
1674 cs->cy = ps->cs.cy;
1675 cs->cx = ps->cs.cx;
1676 cs->y = ps->cs.y;
1677 cs->x = ps->cs.x;
1678 cs->style = ps->cs.style;
1679 cs->dwExStyle = ps->cs.dwExStyle;
1680 /* don't allow changing name and class pointers */
1681 }
1682 break;
1683 case WM_GETTEXT:
1684 case WM_ASKCBFORMATNAME:
1685 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1686 break;
1687 case WM_GETMINMAXINFO:
1688 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1689 break;
1690 case WM_MEASUREITEM:
1691 if (size >= sizeof(ps->mis))
1692 {
1693 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
1694 mis->CtlType = ps->mis.CtlType;
1695 mis->CtlID = ps->mis.CtlID;
1696 mis->itemID = ps->mis.itemID;
1697 mis->itemWidth = ps->mis.itemWidth;
1698 mis->itemHeight = ps->mis.itemHeight;
1699 mis->itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
1700 }
1701 break;
1702 case WM_WINDOWPOSCHANGING:
1703 case WM_WINDOWPOSCHANGED:
1704 if (size >= sizeof(ps->wp))
1705 {
1706 WINDOWPOS *wp = (WINDOWPOS *)lparam;
1707 wp->hwnd = wine_server_ptr_handle( ps->wp.hwnd );
1708 wp->hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
1709 wp->x = ps->wp.x;
1710 wp->y = ps->wp.y;
1711 wp->cx = ps->wp.cx;
1712 wp->cy = ps->wp.cy;
1713 wp->flags = ps->wp.flags;
1714 }
1715 break;
1716 case WM_GETDLGCODE:
1717 if (lparam && size >= sizeof(ps->msg))
1718 {
1719 MSG *msg = (MSG *)lparam;
1720 msg->hwnd = wine_server_ptr_handle( ps->msg.hwnd );
1721 msg->message = ps->msg.message;
1722 msg->wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
1723 msg->lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
1724 msg->time = ps->msg.time;
1725 msg->pt = ps->msg.pt;
1726 }
1727 break;
1728 case SBM_GETSCROLLINFO:
1729 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1730 break;
1731 case SBM_GETSCROLLBARINFO:
1732 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1733 break;
1734 case EM_GETRECT:
1735 case CB_GETDROPPEDCONTROLRECT:
1736 case LB_GETITEMRECT:
1737 case WM_SIZING:
1738 case WM_MOVING:
1739 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1740 break;
1741 case EM_GETLINE:
1742 size = min( size, (size_t)*(WORD *)lparam );
1743 memcpy( (WCHAR *)lparam, buffer, size );
1744 break;
1745 case LB_GETSELITEMS:
1746 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1747 break;
1748 case LB_GETTEXT:
1749 case CB_GETLBTEXT:
1750 memcpy( (WCHAR *)lparam, buffer, size );
1751 break;
1752 case WM_NEXTMENU:
1753 if (size >= sizeof(ps->mnm))
1754 {
1755 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
1756 mnm->hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
1757 mnm->hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
1758 mnm->hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
1759 }
1760 break;
1761 case WM_MDIGETACTIVE:
1762 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1763 break;
1764 case WM_NCCALCSIZE:
1765 if (!wparam)
1766 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1767 else if (size >= sizeof(ps->ncp))
1768 {
1769 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1770 ncp->rgrc[0] = ps->ncp.rgrc[0];
1771 ncp->rgrc[1] = ps->ncp.rgrc[1];
1772 ncp->rgrc[2] = ps->ncp.rgrc[2];
1773 ncp->lppos->hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1774 ncp->lppos->hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1775 ncp->lppos->x = ps->ncp.x;
1776 ncp->lppos->y = ps->ncp.y;
1777 ncp->lppos->cx = ps->ncp.cx;
1778 ncp->lppos->cy = ps->ncp.cy;
1779 ncp->lppos->flags = ps->ncp.flags;
1780 }
1781 break;
1782 case EM_GETSEL:
1783 case SBM_GETRANGE:
1784 case CB_GETEDITSEL:
1785 if (wparam)
1786 {
1787 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1788 if (size <= sizeof(DWORD)) break;
1789 size -= sizeof(DWORD);
1790 buffer = (DWORD *)buffer + 1;
1791 }
1792 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1793 break;
1794 case WM_MDICREATE:
1795 if (size >= sizeof(ps->mcs))
1796 {
1797 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1798 mcs->hOwner = unpack_ptr( ps->mcs.hOwner );
1799 mcs->x = ps->mcs.x;
1800 mcs->y = ps->mcs.y;
1801 mcs->cx = ps->mcs.cx;
1802 mcs->cy = ps->mcs.cy;
1803 mcs->style = ps->mcs.style;
1804 mcs->lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1805 /* don't allow changing class and title pointers */
1806 }
1807 break;
1808 default:
1809 ERR( "should not happen: unexpected message %x\n", message );
1810 break;
1811 }
1812 }
1813
1814
1815 /***********************************************************************
1816 * reply_message
1817 *
1818 * Send a reply to a sent message.
1819 */
1820 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1821 {
1822 struct packed_message data;
1823 int i, replied = info->flags & ISMEX_REPLIED;
1824
1825 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1826 if (!remove && replied) return; /* replied already */
1827
1828 memset( &data, 0, sizeof(data) );
1829 info->flags |= ISMEX_REPLIED;
1830
1831 if (info->type == MSG_OTHER_PROCESS && !replied)
1832 {
1833 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1834 info->msg.lParam, result, &data );
1835 }
1836
1837 SERVER_START_REQ( reply_message )
1838 {
1839 req->result = result;
1840 req->remove = remove;
1841 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1842 wine_server_call( req );
1843 }
1844 SERVER_END_REQ;
1845 }
1846
1847
1848 /***********************************************************************
1849 * handle_internal_message
1850 *
1851 * Handle an internal Wine message instead of calling the window proc.
1852 */
1853 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1854 {
1855 switch(msg)
1856 {
1857 case WM_WINE_DESTROYWINDOW:
1858 return WIN_DestroyWindow( hwnd );
1859 case WM_WINE_SETWINDOWPOS:
1860 if (is_desktop_window( hwnd )) return 0;
1861 return USER_SetWindowPos( (WINDOWPOS *)lparam );
1862 case WM_WINE_SHOWWINDOW:
1863 if (is_desktop_window( hwnd )) return 0;
1864 return ShowWindow( hwnd, wparam );
1865 case WM_WINE_SETPARENT:
1866 if (is_desktop_window( hwnd )) return 0;
1867 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1868 case WM_WINE_SETWINDOWLONG:
1869 return WIN_SetWindowLong( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, TRUE );
1870 case WM_WINE_ENABLEWINDOW:
1871 if (is_desktop_window( hwnd )) return 0;
1872 return EnableWindow( hwnd, wparam );
1873 case WM_WINE_SETACTIVEWINDOW:
1874 if (is_desktop_window( hwnd )) return 0;
1875 return (LRESULT)SetActiveWindow( (HWND)wparam );
1876 case WM_WINE_KEYBOARD_LL_HOOK:
1877 case WM_WINE_MOUSE_LL_HOOK:
1878 {
1879 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1880
1881 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1882 }
1883 case WM_WINE_CLIPCURSOR:
1884 if (wparam)
1885 {
1886 RECT rect;
1887 GetClipCursor( &rect );
1888 return USER_Driver->pClipCursor( &rect );
1889 }
1890 return USER_Driver->pClipCursor( NULL );
1891 default:
1892 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1893 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1894 FIXME( "unknown internal message %x\n", msg );
1895 return 0;
1896 }
1897 }
1898
1899 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1900 * to the memory handle, we keep track (in the server side) of all pairs of handle
1901 * used (the client passes its value and the content of the memory handle), and
1902 * the server stored both values (the client, and the local one, created after the
1903 * content). When a ACK message is generated, the list of pair is searched for a
1904 * matching pair, so that the client memory handle can be returned.
1905 */
1906 struct DDE_pair {
1907 HGLOBAL client_hMem;
1908 HGLOBAL server_hMem;
1909 };
1910
1911 static struct DDE_pair* dde_pairs;
1912 static int dde_num_alloc;
1913 static int dde_num_used;
1914
1915 static CRITICAL_SECTION dde_crst;
1916 static CRITICAL_SECTION_DEBUG critsect_debug =
1917 {
1918 0, 0, &dde_crst,
1919 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1920 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1921 };
1922 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1923
1924 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1925 {
1926 int i;
1927 #define GROWBY 4
1928
1929 EnterCriticalSection(&dde_crst);
1930
1931 /* now remember the pair of hMem on both sides */
1932 if (dde_num_used == dde_num_alloc)
1933 {
1934 struct DDE_pair* tmp;
1935 if (dde_pairs)
1936 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1937 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1938 else
1939 tmp = HeapAlloc( GetProcessHeap(), 0,
1940 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1941
1942 if (!tmp)
1943 {
1944 LeaveCriticalSection(&dde_crst);
1945 return FALSE;
1946 }
1947 dde_pairs = tmp;
1948 /* zero out newly allocated part */
1949 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1950 dde_num_alloc += GROWBY;
1951 }
1952 #undef GROWBY
1953 for (i = 0; i < dde_num_alloc; i++)
1954 {
1955 if (dde_pairs[i].server_hMem == 0)
1956 {
1957 dde_pairs[i].client_hMem = chm;
1958 dde_pairs[i].server_hMem = shm;
1959 dde_num_used++;
1960 break;
1961 }
1962 }
1963 LeaveCriticalSection(&dde_crst);
1964 return TRUE;
1965 }
1966
1967 static HGLOBAL dde_get_pair(HGLOBAL shm)
1968 {
1969 int i;
1970 HGLOBAL ret = 0;
1971
1972 EnterCriticalSection(&dde_crst);
1973 for (i = 0; i < dde_num_alloc; i++)
1974 {
1975 if (dde_pairs[i].server_hMem == shm)
1976 {
1977 /* free this pair */
1978 dde_pairs[i].server_hMem = 0;
1979 dde_num_used--;
1980 ret = dde_pairs[i].client_hMem;
1981 break;
1982 }
1983 }
1984 LeaveCriticalSection(&dde_crst);
1985 return ret;
1986 }
1987
1988 /***********************************************************************
1989 * post_dde_message
1990 *
1991 * Post a DDE message
1992 */
1993 static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
1994 {
1995 void* ptr = NULL;
1996 int size = 0;
1997 UINT_PTR uiLo, uiHi;
1998 LPARAM lp = 0;
1999 HGLOBAL hunlock = 0;
2000 int i;
2001 DWORD res;
2002 ULONGLONG hpack;
2003
2004 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
2005 return FALSE;
2006
2007 lp = info->lparam;
2008 switch (info->msg)
2009 {
2010 /* DDE messages which don't require packing are:
2011 * WM_DDE_INITIATE
2012 * WM_DDE_TERMINATE
2013 * WM_DDE_REQUEST
2014 * WM_DDE_UNADVISE
2015 */
2016 case WM_DDE_ACK:
2017 if (HIWORD(uiHi))
2018 {
2019 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
2020 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
2021 if (h)
2022 {
2023 hpack = pack_ptr( h );
2024 /* send back the value of h on the other side */
2025 push_data( data, &hpack, sizeof(hpack) );
2026 lp = uiLo;
2027 TRACE( "send dde-ack %lx %08lx => %p\n", uiLo, uiHi, h );
2028 }
2029 }
2030 else
2031 {
2032 /* uiHi should contain either an atom or 0 */
2033 TRACE( "send dde-ack %lx atom=%lx\n", uiLo, uiHi );
2034 lp = MAKELONG( uiLo, uiHi );
2035 }
2036 break;
2037 case WM_DDE_ADVISE:
2038 case WM_DDE_DATA:
2039 case WM_DDE_POKE:
2040 size = 0;
2041 if (uiLo)
2042 {
2043 size = GlobalSize( (HGLOBAL)uiLo ) ;
2044 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
2045 (info->msg == WM_DDE_DATA && size < FIELD_OFFSET(DDEDATA, Value)) ||
2046 (info->msg == WM_DDE_POKE && size < FIELD_OFFSET(DDEPOKE, Value))
2047 )
2048 return FALSE;
2049 }
2050 else if (info->msg != WM_DDE_DATA) return FALSE;
2051
2052 lp = uiHi;
2053 if (uiLo)
2054 {
2055 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
2056 {
2057 DDEDATA *dde_data = ptr;
2058 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
2059 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
2060 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
2061 push_data( data, ptr, size );
2062 hunlock = (HGLOBAL)uiLo;
2063 }
2064 }
2065 TRACE( "send ddepack %u %lx\n", size, uiHi );
2066 break;
2067 case WM_DDE_EXECUTE:
2068 if (info->lparam)
2069 {
2070 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
2071 {
2072 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
2073 /* so that the other side can send it back on ACK */
2074 lp = info->lparam;
2075 hunlock = (HGLOBAL)info->lparam;
2076 }
2077 }
2078 break;
2079 }
2080 SERVER_START_REQ( send_message )
2081 {
2082 req->id = info->dest_tid;
2083 req->type = info->type;
2084 req->flags = 0;
2085 req->win = wine_server_user_handle( info->hwnd );
2086 req->msg = info->msg;
2087 req->wparam = info->wparam;
2088 req->lparam = lp;
2089 req->timeout = TIMEOUT_INFINITE;
2090 for (i = 0; i < data->count; i++)
2091 wine_server_add_data( req, data->data[i], data->size[i] );
2092 if ((res = wine_server_call( req )))
2093 {
2094 if (res == STATUS_INVALID_PARAMETER)
2095 /* FIXME: find a STATUS_ value for this one */
2096 SetLastError( ERROR_INVALID_THREAD_ID );
2097 else
2098 SetLastError( RtlNtStatusToDosError(res) );
2099 }
2100 else
2101 FreeDDElParam(info->msg, info->lparam);
2102 }
2103 SERVER_END_REQ;
2104 if (hunlock) GlobalUnlock(hunlock);
2105
2106 return !res;
2107 }
2108
2109 /***********************************************************************
2110 * unpack_dde_message
2111 *
2112 * Unpack a posted DDE message received from another process.
2113 */
2114 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
2115 void **buffer, size_t size )
2116 {
2117 UINT_PTR uiLo, uiHi;
2118 HGLOBAL hMem = 0;
2119 void* ptr;
2120
2121 switch (message)
2122 {
2123 case WM_DDE_ACK:
2124 if (size)
2125 {
2126 ULONGLONG hpack;
2127 /* hMem is being passed */
2128 if (size != sizeof(hpack)) return FALSE;
2129 if (!buffer || !*buffer) return FALSE;
2130 uiLo = *lparam;
2131 memcpy( &hpack, *buffer, size );
2132 hMem = unpack_ptr( hpack );
2133 uiHi = (UINT_PTR)hMem;
2134 TRACE("recv dde-ack %lx mem=%lx[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
2135 }
2136 else
2137 {
2138 uiLo = LOWORD( *lparam );
2139 uiHi = HIWORD( *lparam );
2140 TRACE("recv dde-ack %lx atom=%lx\n", uiLo, uiHi);
2141 }
2142 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
2143 break;
2144 case WM_DDE_ADVISE:
2145 case WM_DDE_DATA:
2146 case WM_DDE_POKE:
2147 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
2148 uiHi = *lparam;
2149 if (size)
2150 {
2151 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
2152 return FALSE;
2153 if ((ptr = GlobalLock( hMem )))
2154 {
2155 memcpy( ptr, *buffer, size );
2156 GlobalUnlock( hMem );
2157 }
2158 else
2159 {
2160 GlobalFree( hMem );
2161 return FALSE;
2162 }
2163 }
2164 uiLo = (UINT_PTR)hMem;
2165
2166 *lparam = PackDDElParam( message, uiLo, uiHi );
2167 break;
2168 case WM_DDE_EXECUTE:
2169 if (size)
2170 {
2171 if (!buffer || !*buffer) return FALSE;
2172 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
2173 if ((ptr = GlobalLock( hMem )))
2174 {
2175 memcpy( ptr, *buffer, size );
2176 GlobalUnlock( hMem );
2177 TRACE( "exec: pairing c=%08lx s=%p\n", *lparam, hMem );
2178 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
2179 {
2180 GlobalFree( hMem );
2181 return FALSE;
2182 }
2183 }
2184 else
2185 {
2186 GlobalFree( hMem );
2187 return FALSE;
2188 }
2189 } else return FALSE;
2190 *lparam = (LPARAM)hMem;
2191 break;
2192 }
2193 return TRUE;
2194 }
2195
2196 /***********************************************************************
2197 * call_window_proc
2198 *
2199 * Call a window procedure and the corresponding hooks.
2200 */
2201 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2202 BOOL unicode, BOOL same_thread, enum wm_char_mapping mapping )
2203 {
2204 LRESULT result = 0;
2205 CWPSTRUCT cwp;
2206 CWPRETSTRUCT cwpret;
2207
2208 if (msg & 0x80000000)
2209 {
2210 result = handle_internal_message( hwnd, msg, wparam, lparam );
2211 goto done;
2212 }
2213
2214 /* first the WH_CALLWNDPROC hook */
2215 hwnd = WIN_GetFullHandle( hwnd );
2216 cwp.lParam = lparam;
2217 cwp.wParam = wparam;
2218 cwp.message = msg;
2219 cwp.hwnd = hwnd;
2220 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
2221
2222 /* now call the window procedure */
2223 if (!WINPROC_call_window( hwnd, msg, wparam, lparam, &result, unicode, mapping )) goto done;
2224
2225 /* and finally the WH_CALLWNDPROCRET hook */
2226 cwpret.lResult = result;
2227 cwpret.lParam = lparam;
2228 cwpret.wParam = wparam;
2229 cwpret.message = msg;
2230 cwpret.hwnd = hwnd;
2231 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
2232 done:
2233 return result;
2234 }
2235
2236
2237 /***********************************************************************
2238 * send_parent_notify
2239 *
2240 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
2241 * the window has the WS_EX_NOPARENTNOTIFY style.
2242 */
2243 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
2244 {
2245 /* pt has to be in the client coordinates of the parent window */
2246 MapWindowPoints( 0, hwnd, &pt, 1 );
2247 for (;;)
2248 {
2249 HWND parent;
2250
2251 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
2252 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
2253 if (!(parent = GetParent(hwnd))) break;
2254 if (parent == GetDesktopWindow()) break;
2255 MapWindowPoints( hwnd, parent, &pt, 1 );
2256 hwnd = parent;
2257 SendMessageW( hwnd, WM_PARENTNOTIFY,
2258 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
2259 }
2260 }
2261
2262
2263 /***********************************************************************
2264 * accept_hardware_message
2265 *
2266 * Tell the server we have passed the message to the app
2267 * (even though we may end up dropping it later on)
2268 */
2269 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
2270 {
2271 SERVER_START_REQ( accept_hardware_message )
2272 {
2273 req->hw_id = hw_id;
2274 req->remove = remove;
2275 req->new_win = wine_server_user_handle( new_hwnd );
2276 if (wine_server_call( req ))
2277 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
2278 }
2279 SERVER_END_REQ;
2280 }
2281
2282
2283 static BOOL process_rawinput_message( MSG *msg, const struct hardware_msg_data *msg_data )
2284 {
2285 struct user_thread_info *thread_info = get_user_thread_info();
2286 RAWINPUT *rawinput = thread_info->rawinput;
2287
2288 if (!rawinput)
2289 {
2290 thread_info->rawinput = HeapAlloc( GetProcessHeap(), 0, sizeof(*rawinput) );
2291 if (!(rawinput = thread_info->rawinput)) return FALSE;
2292 }
2293
2294 rawinput->header.dwType = msg_data->rawinput.type;
2295 if (msg_data->rawinput.type == RIM_TYPEMOUSE)
2296 {
2297 static const unsigned int button_flags[] =
2298 {
2299 0, /* MOUSEEVENTF_MOVE */
2300 RI_MOUSE_LEFT_BUTTON_DOWN, /* MOUSEEVENTF_LEFTDOWN */
2301 RI_MOUSE_LEFT_BUTTON_UP, /* MOUSEEVENTF_LEFTUP */
2302 RI_MOUSE_RIGHT_BUTTON_DOWN, /* MOUSEEVENTF_RIGHTDOWN */
2303 RI_MOUSE_RIGHT_BUTTON_UP, /* MOUSEEVENTF_RIGHTUP */
2304 RI_MOUSE_MIDDLE_BUTTON_DOWN, /* MOUSEEVENTF_MIDDLEDOWN */
2305 RI_MOUSE_MIDDLE_BUTTON_UP, /* MOUSEEVENTF_MIDDLEUP */
2306 };
2307 unsigned int i;
2308
2309 rawinput->header.dwSize = FIELD_OFFSET(RAWINPUT, data) + sizeof(RAWMOUSE);
2310 rawinput->header.hDevice = WINE_MOUSE_HANDLE;
2311 rawinput->header.wParam = 0;
2312
2313 rawinput->data.mouse.usFlags = MOUSE_MOVE_RELATIVE;
2314 rawinput->data.mouse.u.s.usButtonFlags = 0;
2315 rawinput->data.mouse.u.s.usButtonData = 0;
2316 for (i = 1; i < sizeof(button_flags) / sizeof(*button_flags); ++i)
2317 {
2318 if (msg_data->flags & (1 << i))
2319 rawinput->data.mouse.u.s.usButtonFlags |= button_flags[i];
2320 }
2321 if (msg_data->flags & MOUSEEVENTF_WHEEL)
2322 {
2323 rawinput->data.mouse.u.s.usButtonFlags |= RI_MOUSE_WHEEL;
2324 rawinput->data.mouse.u.s.usButtonData = msg_data->rawinput.mouse.data;
2325 }
2326 if (msg_data->flags & MOUSEEVENTF_HWHEEL)
2327 {
2328 rawinput->data.mouse.u.s.usButtonFlags |= RI_MOUSE_HORIZONTAL_WHEEL;
2329 rawinput->data.mouse.u.s.usButtonData = msg_data->rawinput.mouse.data;
2330 }
2331 if (msg_data->flags & MOUSEEVENTF_XDOWN)
2332 {
2333 if (msg_data->rawinput.mouse.data == XBUTTON1)
2334 rawinput->data.mouse.u.s.usButtonFlags |= RI_MOUSE_BUTTON_4_DOWN;
2335 else if (msg_data->rawinput.mouse.data == XBUTTON2)
2336 rawinput->data.mouse.u.s.usButtonFlags |= RI_MOUSE_BUTTON_5_DOWN;
2337 }
2338 if (msg_data->flags & MOUSEEVENTF_XUP)
2339 {
2340 if (msg_data->rawinput.mouse.data == XBUTTON1)
2341 rawinput->data.mouse.u.s.usButtonFlags |= RI_MOUSE_BUTTON_4_UP;
2342 else if (msg_data->rawinput.mouse.data == XBUTTON2)
2343 rawinput->data.mouse.u.s.usButtonFlags |= RI_MOUSE_BUTTON_5_UP;
2344 }
2345
2346 rawinput->data.mouse.ulRawButtons = 0;
2347 rawinput->data.mouse.lLastX = msg_data->rawinput.mouse.x;
2348 rawinput->data.mouse.lLastY = msg_data->rawinput.mouse.y;
2349 rawinput->data.mouse.ulExtraInformation = msg_data->info;
2350 }
2351 else if (msg_data->rawinput.type == RIM_TYPEKEYBOARD)
2352 {
2353 rawinput->header.dwSize = FIELD_OFFSET(RAWINPUT, data) + sizeof(RAWKEYBOARD);
2354 rawinput->header.hDevice = WINE_KEYBOARD_HANDLE;
2355 rawinput->header.wParam = 0;
2356
2357 rawinput->data.keyboard.MakeCode = msg_data->rawinput.kbd.scan;
2358 rawinput->data.keyboard.Flags = msg_data->flags & KEYEVENTF_KEYUP ? RI_KEY_BREAK : RI_KEY_MAKE;
2359 if (msg_data->flags & KEYEVENTF_EXTENDEDKEY) rawinput->data.keyboard.Flags |= RI_KEY_E0;
2360 rawinput->data.keyboard.Reserved = 0;
2361
2362 switch (msg_data->rawinput.kbd.vkey)
2363 {
2364 case VK_LSHIFT:
2365 case VK_RSHIFT:
2366 rawinput->data.keyboard.VKey = VK_SHIFT;
2367 rawinput->data.keyboard.Flags &= ~RI_KEY_E0;
2368 break;
2369 case VK_LCONTROL:
2370 case VK_RCONTROL:
2371 rawinput->data.keyboard.VKey = VK_CONTROL;
2372 break;
2373 case VK_LMENU:
2374 case VK_RMENU:
2375 rawinput->data.keyboard.VKey = VK_MENU;
2376 break;
2377 default:
2378 rawinput->data.keyboard.VKey = msg_data->rawinput.kbd.vkey;
2379 break;
2380 }
2381
2382 rawinput->data.keyboard.Message = msg_data->rawinput.kbd.message;
2383 rawinput->data.keyboard.ExtraInformation = msg_data->info;
2384 }
2385 else
2386 {
2387 FIXME("Unhandled rawinput type %#x.\n", msg_data->rawinput.type);
2388 return FALSE;
2389 }
2390
2391 msg->lParam = (LPARAM)rawinput;
2392 return TRUE;
2393 }
2394
2395 /***********************************************************************
2396 * process_keyboard_message
2397 *
2398 * returns TRUE if the contents of 'msg' should be passed to the application
2399 */
2400 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
2401 UINT first, UINT last, BOOL remove )
2402 {
2403 EVENTMSG event;
2404
2405 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN ||
2406 msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
2407 switch (msg->wParam)
2408 {
2409 case VK_LSHIFT: case VK_RSHIFT:
2410 msg->wParam = VK_SHIFT;
2411 break;
2412 case VK_LCONTROL: case VK_RCONTROL:
2413 msg->wParam = VK_CONTROL;
2414 break;
2415 case VK_LMENU: case VK_RMENU:
2416 msg->wParam = VK_MENU;
2417 break;
2418 }
2419
2420 /* FIXME: is this really the right place for this hook? */
2421 event.message = msg->message;
2422 event.hwnd = msg->hwnd;
2423 event.time = msg->time;
2424 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
2425 event.paramH = msg->lParam & 0x7FFF;
2426 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
2427 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
2428
2429 /* check message filters */
2430 if (msg->message < first || msg->message > last) return FALSE;
2431 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
2432
2433 if (remove)
2434 {
2435 if((msg->message == WM_KEYDOWN) &&
2436 (msg->hwnd != GetDesktopWindow()))
2437 {
2438 /* Handle F1 key by sending out WM_HELP message */
2439 if (msg->wParam == VK_F1)
2440 {
2441 PostMessageW( msg->hwnd, WM_KEYF1, 0, 0 );
2442 }
2443 else if(msg->wParam >= VK_BROWSER_BACK &&
2444 msg->wParam <= VK_LAUNCH_APP2)
2445 {
2446 /* FIXME: Process keystate */
2447 SendMessageW(msg->hwnd, WM_APPCOMMAND, (WPARAM)msg->hwnd, MAKELPARAM(0, (FAPPCOMMAND_KEY | (msg->wParam - VK_BROWSER_BACK + 1))));
2448 }
2449 }
2450 else if (msg->message == WM_KEYUP)
2451 {
2452 /* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
2453 if (msg->wParam == VK_APPS && !MENU_IsMenuActive())
2454 PostMessageW(msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, -1);
2455 }
2456 }
2457
2458 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
2459 LOWORD(msg->wParam), msg->lParam, TRUE ))
2460 {
2461 /* skip this message */
2462 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
2463 accept_hardware_message( hw_id, TRUE, 0 );
2464 return FALSE;
2465 }
2466 accept_hardware_message( hw_id, remove, 0 );
2467
2468 if ( remove && msg->message == WM_KEYDOWN )
2469 if (ImmProcessKey(msg->hwnd, GetKeyboardLayout(0), msg->wParam, msg->lParam, 0) )
2470 msg->wParam = VK_PROCESSKEY;
2471
2472 return TRUE;
2473 }
2474
2475
2476 /***********************************************************************
2477 * process_mouse_message
2478 *
2479 * returns TRUE if the contents of 'msg' should be passed to the application
2480 */
2481 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
2482 UINT first, UINT last, BOOL remove )
2483 {
2484 static MSG clk_msg;
2485
2486 POINT pt;
2487 UINT message;
2488 INT hittest;
2489 EVENTMSG event;
2490 GUITHREADINFO info;
2491 MOUSEHOOKSTRUCT hook;
2492 BOOL eatMsg;
2493
2494 /* find the window to dispatch this mouse message to */
2495
2496 info.cbSize = sizeof(info);
2497 GetGUIThreadInfo( GetCurrentThreadId(), &info );
2498 if (info.hwndCapture)
2499 {
2500 hittest = HTCLIENT;
2501 msg->hwnd = info.hwndCapture;
2502 }
2503 else
2504 {
2505 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
2506 }
2507
2508 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
2509 {
2510 accept_hardware_message( hw_id, TRUE, msg->hwnd );
2511 return FALSE;
2512 }
2513
2514 /* FIXME: is this really the right place for this hook? */
2515 event.message = msg->message;
2516 event.time = msg->time;
2517 event.hwnd = msg->hwnd;
2518 event.paramL = msg->pt.x;
2519 event.paramH = msg->pt.y;
2520 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
2521
2522 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
2523
2524 pt = msg->pt;
2525 message = msg->message;
2526 /* Note: windows has no concept of a non-client wheel message */
2527 if (message != WM_MOUSEWHEEL)
2528 {
2529 if (hittest != HTCLIENT)
2530 {
2531 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
2532 msg->wParam = hittest;
2533 }
2534 else
2535 {
2536 /* coordinates don't get translated while tracking a menu */
2537 /* FIXME: should differentiate popups and top-level menus */
2538 if (!(info.flags & GUI_INMENUMODE))
2539 ScreenToClient( msg->hwnd, &pt );
2540 }
2541 }
2542 msg->lParam = MAKELONG( pt.x, pt.y );
2543
2544 /* translate double clicks */
2545
2546 if ((msg->message == WM_LBUTTONDOWN) ||
2547 (msg->message == WM_RBUTTONDOWN) ||
2548 (msg->message == WM_MBUTTONDOWN) ||
2549 (msg->message == WM_XBUTTONDOWN))
2550 {
2551 BOOL update = remove;
2552
2553 /* translate double clicks -
2554 * note that ...MOUSEMOVEs can slip in between
2555 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
2556
2557 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
2558 hittest != HTCLIENT ||
2559 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
2560 {
2561 if ((msg->message == clk_msg.message) &&
2562 (msg->hwnd == clk_msg.hwnd) &&
2563 (msg->wParam == clk_msg.wParam) &&
2564 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
2565 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
2566 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
2567 {
2568 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
2569 if (update)
2570 {
2571 clk_msg.message = 0; /* clear the double click conditions */
2572 update = FALSE;
2573 }
2574 }
2575 }
2576 if (message < first || message > last) return FALSE;
2577 /* update static double click conditions */
2578 if (update) clk_msg = *msg;
2579 }
2580 else
2581 {
2582 if (message < first || message > last) return FALSE;
2583 }
2584
2585 /* message is accepted now (but may still get dropped) */
2586
2587 hook.pt = msg->pt;
2588 hook.hwnd = msg->hwnd;
2589 hook.wHitTestCode = hittest;
2590 hook.dwExtraInfo = extra_info;
2591 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
2592 message, (LPARAM)&hook, TRUE ))
2593 {
2594 hook.pt = msg->pt;
2595 hook.hwnd = msg->hwnd;
2596 hook.wHitTestCode = hittest;
2597 hook.dwExtraInfo = extra_info;
2598 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
2599 accept_hardware_message( hw_id, TRUE, 0 );
2600 return FALSE;
2601 }
2602
2603 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
2604 {
2605 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
2606 MAKELONG( hittest, msg->message ));
2607 accept_hardware_message( hw_id, TRUE, 0 );
2608 return FALSE;
2609 }
2610
2611 accept_hardware_message( hw_id, remove, 0 );
2612
2613 if (!remove || info.hwndCapture)
2614 {
2615 msg->message = message;
2616 return TRUE;
2617 }
2618
2619 eatMsg = FALSE;
2620
2621 if ((msg->message == WM_LBUTTONDOWN) ||
2622 (msg->message == WM_RBUTTONDOWN) ||
2623 (msg->message == WM_MBUTTONDOWN) ||
2624 (msg->message == WM_XBUTTONDOWN))
2625 {
2626 /* Send the WM_PARENTNOTIFY,
2627 * note that even for double/nonclient clicks
2628 * notification message is still WM_L/M/RBUTTONDOWN.
2629 */
2630 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
2631
2632 /* Activate the window if needed */
2633
2634 if (msg->hwnd != info.hwndActive)
2635 {
2636 HWND hwndTop = msg->hwnd;
2637 while (hwndTop)
2638 {
2639 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
2640 hwndTop = GetParent( hwndTop );
2641 }
2642
2643 if (hwndTop && hwndTop != GetDesktopWindow())
2644 {
2645 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
2646 MAKELONG( hittest, msg->message ) );
2647 switch(ret)
2648 {
2649 case MA_NOACTIVATEANDEAT:
2650 eatMsg = TRUE;
2651 /* fall through */
2652 case MA_NOACTIVATE:
2653 break;
2654 case MA_ACTIVATEANDEAT:
2655 eatMsg = TRUE;
2656 /* fall through */
2657 case MA_ACTIVATE:
2658 case 0:
2659 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
2660 break;
2661 default:
2662 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
2663 break;
2664 }
2665 }
2666 }
2667 }
2668
2669 /* send the WM_SETCURSOR message */
2670
2671 /* Windows sends the normal mouse message as the message parameter
2672 in the WM_SETCURSOR message even if it's non-client mouse message */
2673 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
2674
2675 msg->message = message;
2676 return !eatMsg;
2677 }
2678
2679
2680 /***********************************************************************
2681 * process_hardware_message
2682 *
2683 * Process a hardware message; return TRUE if message should be passed on to the app
2684 */
2685 static BOOL process_hardware_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data,
2686 HWND hwnd_filter, UINT first, UINT last, BOOL remove )
2687 {
2688 if (msg->message == WM_INPUT)
2689 return process_rawinput_message( msg, msg_data );
2690
2691 if (is_keyboard_message( msg->message ))
2692 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
2693
2694 if (is_mouse_message( msg->message ))
2695 return process_mouse_message( msg, hw_id, msg_data->info, hwnd_filter, first, last, remove );
2696
2697 ERR( "unknown message type %x\n", msg->message );
2698 return FALSE;
2699 }
2700
2701
2702 /***********************************************************************
2703 * call_sendmsg_callback
2704 *
2705 * Call the callback function of SendMessageCallback.
2706 */
2707 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
2708 ULONG_PTR data, LRESULT result )
2709 {
2710 if (!callback) return;
2711
2712 if (TRACE_ON(relay))
2713 DPRINTF( "%04x:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2714 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2715 data, result );
2716 callback( hwnd, msg, data, result );
2717 if (TRACE_ON(relay))
2718 DPRINTF( "%04x:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2719 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2720 data, result );
2721 }
2722
2723
2724 /***********************************************************************
2725 * peek_message
2726 *
2727 * Peek for a message matching the given parameters. Return FALSE if none available.
2728 * All pending sent messages are processed before returning.
2729 */
2730 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags, UINT changed_mask )
2731 {
2732 LRESULT result;
2733 struct user_thread_info *thread_info = get_user_thread_info();
2734 struct received_message_info info, *old_info;
2735 unsigned int hw_id = 0; /* id of previous hardware message */
2736 void *buffer;
2737 size_t buffer_size = 256;
2738
2739 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2740
2741 if (!first && !last) last = ~0;
2742 if (hwnd == HWND_BROADCAST) hwnd = HWND_TOPMOST;
2743
2744 for (;;)
2745 {
2746 NTSTATUS res;
2747 size_t size = 0;
2748 const message_data_t *msg_data = buffer;
2749
2750 SERVER_START_REQ( get_message )
2751 {
2752 req->flags = flags;
2753 req->get_win = wine_server_user_handle( hwnd );
2754 req->get_first = first;
2755 req->get_last = last;
2756 req->hw_id = hw_id;
2757 req->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
2758 req->changed_mask = changed_mask;
2759 wine_server_set_reply( req, buffer, buffer_size );
2760 if (!(res = wine_server_call( req )))
2761 {
2762 size = wine_server_reply_size( reply );
2763 info.type = reply->type;
2764 info.msg.hwnd = wine_server_ptr_handle( reply->win );
2765 info.msg.message = reply->msg;
2766 info.msg.wParam = reply->wparam;
2767 info.msg.lParam = reply->lparam;
2768 info.msg.time = reply->time;
2769 info.msg.pt.x = 0;
2770 info.msg.pt.y = 0;
2771 hw_id = 0;
2772 thread_info->active_hooks = reply->active_hooks;
2773 }
2774 else buffer_size = reply->total;
2775 }
2776 SERVER_END_REQ;
2777
2778 if (res)
2779 {
2780 HeapFree( GetProcessHeap(), 0, buffer );
2781 if (res != STATUS_BUFFER_OVERFLOW) return FALSE;
2782 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2783 continue;
2784 }
2785
2786 TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
2787 info.type, info.msg.message,
2788 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2789 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
2790
2791 switch(info.type)
2792 {
2793 case MSG_ASCII:
2794 case MSG_UNICODE:
2795 info.flags = ISMEX_SEND;
2796 break;
2797 case MSG_NOTIFY:
2798 info.flags = ISMEX_NOTIFY;
2799 break;
2800 case MSG_CALLBACK:
2801 info.flags = ISMEX_CALLBACK;
2802 break;
2803 case MSG_CALLBACK_RESULT:
2804 if (size >= sizeof(msg_data->callback))
2805 call_sendmsg_callback( wine_server_get_ptr(msg_data->callback.callback),
2806 info.msg.hwnd, info.msg.message,
2807 msg_data->callback.data, msg_data->callback.result );
2808 continue;
2809 case MSG_WINEVENT:
2810 if (size >= sizeof(msg_data->winevent))
2811 {
2812 WINEVENTPROC hook_proc;
2813
2814 hook_proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
2815 size -= sizeof(msg_data->winevent);
2816 if (size)
2817 {
2818 WCHAR module[MAX_PATH];
2819
2820 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
2821 memcpy( module, &msg_data->winevent + 1, size );
2822 module[size / sizeof(WCHAR)] = 0;
2823 if (!(hook_proc = get_hook_proc( hook_proc, module )))
2824 {
2825 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2826 continue;
2827 }
2828 }
2829
2830 if (TRACE_ON(relay))
2831 DPRINTF( "%04x:Call winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2832 GetCurrentThreadId(), hook_proc,
2833 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2834 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2835
2836 hook_proc( wine_server_ptr_handle( msg_data->winevent.hook ), info.msg.message,
2837 info.msg.hwnd, info.msg.wParam, info.msg.lParam,
2838 msg_data->winevent.tid, info.msg.time );
2839
2840 if (TRACE_ON(relay))
2841 DPRINTF( "%04x:Ret winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2842 GetCurrentThreadId(), hook_proc,
2843 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2844 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2845 }
2846 continue;
2847 case MSG_HOOK_LL:
2848 info.flags = ISMEX_SEND;
2849 result = 0;
2850 if (info.msg.message == WH_KEYBOARD_LL && size >= sizeof(msg_data->hardware))
2851 {
2852 KBDLLHOOKSTRUCT hook;
2853
2854 hook.vkCode = LOWORD( info.msg.lParam );
2855 hook.scanCode = HIWORD( info.msg.lParam );
2856 hook.flags = msg_data->hardware.flags;
2857 hook.time = info.msg.time;
2858 hook.dwExtraInfo = msg_data->hardware.info;
2859 TRACE( "calling keyboard LL hook vk %x scan %x flags %x time %u info %lx\n",
2860 hook.vkCode, hook.scanCode, hook.flags, hook.time, hook.dwExtraInfo );
2861 result = HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
2862 }
2863 else if (info.msg.message == WH_MOUSE_LL && size >= sizeof(msg_data->hardware))
2864 {
2865 MSLLHOOKSTRUCT hook;
2866
2867 hook.pt.x = msg_data->hardware.x;
2868 hook.pt.y = msg_data->hardware.y;
2869 hook.mouseData = info.msg.lParam;
2870 hook.flags = msg_data->hardware.flags;
2871 hook.time = info.msg.time;
2872 hook.dwExtraInfo = msg_data->hardware.info;
2873 TRACE( "calling mouse LL hook pos %d,%d data %x flags %x time %u info %lx\n",
2874 hook.pt.x, hook.pt.y, hook.mouseData, hook.flags, hook.time, hook.dwExtraInfo );
2875 result = HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
2876 }
2877 reply_message( &info, result, TRUE );
2878 continue;
2879 case MSG_OTHER_PROCESS:
2880 info.flags = ISMEX_SEND;
2881 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2882 &info.msg.lParam, &buffer, size ))
2883 {
2884 /* ignore it */
2885 reply_message( &info, 0, TRUE );
2886 continue;
2887 }
2888 break;
2889 case MSG_HARDWARE:
2890 if (size >= sizeof(msg_data->hardware))
2891 {
2892 info.msg.pt.x = msg_data->hardware.x;
2893 info.msg.pt.y = msg_data->hardware.y;
2894 hw_id = msg_data->hardware.hw_id;
2895 if (!process_hardware_message( &info.msg, hw_id, &msg_data->hardware,
2896 hwnd, first, last, flags & PM_REMOVE ))
2897 {
2898 TRACE("dropping msg %x\n", info.msg.message );
2899 continue; /* ignore it */
2900 }
2901 *msg = info.msg;
2902 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2903 thread_info->GetMessageTimeVal = info.msg.time;
2904 thread_info->GetMessageExtraInfoVal = msg_data->hardware.info;
2905 HeapFree( GetProcessHeap(), 0, buffer );
2906 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2907 return TRUE;
2908 }
2909 continue;
2910 case MSG_POSTED:
2911 if (info.msg.message & 0x80000000) /* internal message */
2912 {
2913 if (flags & PM_REMOVE)
2914 {
2915 handle_internal_message( info.msg.hwnd, info.msg.message,
2916 info.msg.wParam, info.msg.lParam );
2917 /* if this is a nested call return right away */
2918 if (first == info.msg.message && last == info.msg.message)
2919 {
2920 HeapFree( GetProcessHeap(), 0, buffer );
2921 return FALSE;
2922 }
2923 }
2924 else
2925 peek_message( msg, info.msg.hwnd, info.msg.message,
2926 info.msg.message, flags | PM_REMOVE, changed_mask );
2927 continue;
2928 }
2929 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2930 {
2931 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2932 &info.msg.lParam, &buffer, size ))
2933 continue; /* ignore it */
2934 }
2935 *msg = info.msg;
2936 msg->pt.x = (short)LOWORD( thread_info->GetMessagePosVal );
2937 msg->pt.y = (short)HIWORD( thread_info->GetMessagePosVal );
2938 thread_info->GetMessageTimeVal = info.msg.time;
2939 thread_info->GetMessageExtraInfoVal = 0;
2940 HeapFree( GetProcessHeap(), 0, buffer );
2941 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2942 return TRUE;
2943 }
2944
2945 /* if we get here, we have a sent message; call the window procedure */
2946 old_info = thread_info->receive_info;
2947 thread_info->receive_info = &info;
2948 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2949 info.msg.lParam, (info.type != MSG_ASCII), FALSE,
2950 WMCHAR_MAP_RECVMESSAGE );
2951 reply_message( &info, result, TRUE );
2952 thread_info->receive_info = old_info;
2953
2954 /* if some PM_QS* flags were specified, only handle sent messages from now on */
2955 if (HIWORD(flags) && !changed_mask) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
2956 }
2957 }
2958
2959
2960 /***********************************************************************
2961 * process_sent_messages
2962 *
2963 * Process all pending sent messages.
2964 */
2965 static inline void process_sent_messages(void)
2966 {
2967 MSG msg;
2968 peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, 0 );
2969 }
2970
2971
2972 /***********************************************************************
2973 * get_server_queue_handle
2974 *
2975 * Get a handle to the server message queue for the current thread.
2976 */
2977 static HANDLE get_server_queue_handle(void)
2978 {
2979 struct user_thread_info *thread_info = get_user_thread_info();
2980 HANDLE ret;
2981
2982 if (!(ret = thread_info->server_queue))
2983 {
2984 SERVER_START_REQ( get_msg_queue )
2985 {
2986 wine_server_call( req );
2987 ret = wine_server_ptr_handle( reply->handle );
2988 }
2989 SERVER_END_REQ;
2990 thread_info->server_queue = ret;
2991 if (!ret) ERR( "Cannot get server thread queue\n" );
2992 }
2993 return ret;
2994 }
2995
2996
2997 /***********************************************************************
2998 * wait_message_reply
2999 *
3000 * Wait until a sent message gets replied to.
3001 */
3002 static void wait_message_reply( UINT flags )
3003 {
3004 HANDLE server_queue = get_server_queue_handle();
3005
3006 for (;;)
3007 {
3008 unsigned int wake_bits = 0;
3009
3010 SERVER_START_REQ( set_queue_mask )
3011 {
3012 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
3013 req->changed_mask = req->wake_mask;
3014 req->skip_wait = 1;
3015 if (!wine_server_call( req ))
3016 wake_bits = reply->wake_bits;
3017 }
3018 SERVER_END_REQ;
3019
3020 if (wake_bits & QS_SMRESULT) return; /* got a result */
3021 if (wake_bits & QS_SENDMESSAGE)
3022 {
3023 /* Process the sent message immediately */
3024 process_sent_messages();
3025 continue;
3026 }
3027
3028 wow_handlers.wait_message( 1, &server_queue, INFINITE, QS_SENDMESSAGE, 0 );
3029 }
3030 }
3031
3032 /***********************************************************************
3033 * put_message_in_queue
3034 *
3035 * Put a sent message into the destination queue.
3036 * For inter-process message, reply_size is set to expected size of reply data.
3037 */
3038 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
3039 {
3040 struct packed_message data;
3041 message_data_t msg_data;
3042 unsigned int res;
3043 int i;
3044 timeout_t timeout = TIMEOUT_INFINITE;
3045
3046 /* Check for INFINITE timeout for compatibility with Win9x,
3047 * although Windows >= NT does not do so
3048 */
3049 if (info->type != MSG_NOTIFY &&
3050 info->type != MSG_CALLBACK &&
3051 info->type != MSG_POSTED &&
3052 info->timeout &&
3053 info->timeout != INFINITE)
3054 {
3055 /* timeout is signed despite the prototype */
3056 timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
3057 }
3058
3059 memset( &data, 0, sizeof(data) );
3060 if (info->type == MSG_OTHER_PROCESS)
3061 {
3062 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
3063 if (data.count == -1)
3064 {
3065 WARN( "cannot pack message %x\n", info->msg );
3066 return FALSE;
3067 }
3068 }
3069 else if (info->type == MSG_CALLBACK)
3070 {
3071 msg_data.callback.callback = wine_server_client_ptr( info->callback );
3072 msg_data.callback.data = info->data;
3073 msg_data.callback.result = 0;
3074 data.data[0] = &msg_data;
3075 data.size[0] = sizeof(msg_data.callback);
3076 data.count = 1;
3077 }
3078 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
3079 {
3080 return post_dde_message( &data, info );
3081 }
3082
3083 SERVER_START_REQ( send_message )
3084 {
3085 req->id = info->dest_tid;
3086 req->type = info->type;
3087 req->flags = 0;
3088 req->win = wine_server_user_handle( info->hwnd );
3089 req->msg = info->msg;
3090 req->wparam = info->wparam;
3091 req->lparam = info->lparam;
3092 req->timeout = timeout;
3093
3094 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
3095 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
3096 if ((res = wine_server_call( req )))
3097 {
3098 if (res == STATUS_INVALID_PARAMETER)
3099 /* FIXME: find a STATUS_ value for this one */
3100 SetLastError( ERROR_INVALID_THREAD_ID );
3101 else
3102 SetLastError( RtlNtStatusToDosError(res) );
3103 }
3104 }
3105 SERVER_END_REQ;
3106 return !res;
3107 }
3108
3109
3110 /***********************************************************************
3111 * retrieve_reply
3112 *
3113 * Retrieve a message reply from the server.
3114 */
3115 static LRESULT retrieve_reply( const struct send_message_info *info,
3116 size_t reply_size, LRESULT *result )
3117 {
3118 NTSTATUS status;
3119 void *reply_data = NULL;
3120
3121 if (reply_size)
3122 {
3123 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
3124 {
3125 WARN( "no memory for reply, will be truncated\n" );
3126 reply_size = 0;
3127 }
3128 }
3129 SERVER_START_REQ( get_message_reply )
3130 {
3131 req->cancel = 1;
3132 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
3133 if (!(status = wine_server_call( req ))) *result = reply->result;
3134 reply_size = wine_server_reply_size( reply );
3135 }
3136 SERVER_END_REQ;
3137 if (!status && reply_size)
3138 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
3139
3140 HeapFree( GetProcessHeap(), 0, reply_data );
3141
3142 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
3143 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
3144 info->lparam, *result, status );
3145
3146 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
3147 if (status) SetLastError( RtlNtStatusToDosError(status) );
3148 return !status;
3149 }
3150
3151
3152 /***********************************************************************
3153 * send_inter_thread_message
3154 */
3155 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
3156 {
3157 size_t reply_size = 0;
3158
3159 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3160 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
3161
3162 USER_CheckNotLock();
3163
3164 if (!put_message_in_queue( info, &reply_size )) return 0;
3165
3166 /* there's no reply to wait for on notify/callback messages */
3167 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
3168
3169 wait_message_reply( info->flags );
3170 return retrieve_reply( info, reply_size, res_ptr );
3171 }
3172
3173
3174 /***********************************************************************
3175 * send_inter_thread_callback
3176 */
3177 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
3178 LRESULT *result, void *arg )
3179 {
3180 struct send_message_info *info = arg;
3181 info->hwnd = hwnd;
3182 info->msg = msg;
3183 info->wparam = wp;
3184 info->lparam = lp;
3185 return send_inter_thread_message( info, result );
3186 }
3187
3188
3189 /***********************************************************************
3190 * send_message
3191 *
3192 * Backend implementation of the various SendMessage functions.
3193 */
3194 static BOOL send_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL unicode )
3195 {
3196 DWORD dest_pid;
3197 BOOL ret;
3198 LRESULT result;
3199
3200 if (is_broadcast(info->hwnd))
3201 {
3202 EnumWindows( broadcast_message_callback, (LPARAM)info );
3203 if (res_ptr) *res_ptr = 1;
3204 return TRUE;
3205 }
3206
3207 if (!(info->dest_tid = GetWindowThreadProcessId( info->hwnd, &dest_pid ))) return FALSE;
3208
3209 if (USER_IsExitingThread( info->dest_tid )) return FALSE;
3210
3211 SPY_EnterMessage( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
3212
3213 if (info->dest_tid == GetCurrentThreadId())
3214 {
3215 result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
3216 unicode, TRUE, info->wm_char );
3217 if (info->type == MSG_CALLBACK)
3218 call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
3219 ret = TRUE;
3220 }
3221 else
3222 {
3223 if (dest_pid != GetCurrentProcessId() && (info->type == MSG_ASCII || info->type == MSG_UNICODE))
3224 info->type = MSG_OTHER_PROCESS;
3225
3226 /* MSG_ASCII can be sent unconverted except for WM_CHAR; everything else needs to be Unicode */
3227 if (!unicode && is_unicode_message( info->msg ) &&
3228 (info->type != MSG_ASCII || info->msg == WM_CHAR))
3229 ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info->hwnd, info->msg,
3230 info->wparam, info->lparam, &result, info, info->wm_char );
3231 else
3232 ret = send_inter_thread_message( info, &result );
3233 }
3234
3235 SPY_ExitMessage( SPY_RESULT_OK, info->hwnd, info->msg, result, info->wparam, info->lparam );
3236 if (ret && res_ptr) *res_ptr = result;
3237 return ret;
3238 }
3239
3240
3241 /***********************************************************************
3242 * send_hardware_message
3243 */
3244 NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, UINT flags )
3245 {
3246 struct user_thread_info *thread_info = get_user_thread_info();
3247 struct send_message_info info;
3248 int prev_x, prev_y, new_x, new_y;
3249 NTSTATUS ret;
3250 BOOL wait;
3251
3252 info.type = MSG_HARDWARE;
3253 info.dest_tid = 0;
3254 info.hwnd = hwnd;
3255 info.flags = 0;
3256 info.timeout = 0;
3257
3258 SERVER_START_REQ( send_hardware_message )
3259 {
3260 req->win = wine_server_user_handle( hwnd );
3261 req->flags = flags;
3262 req->input.type = input->type;
3263 switch (input->type)
3264 {
3265 case INPUT_MOUSE:
3266 req->input.mouse.x = input->u.mi.dx;
3267 req->input.mouse.y = input->u.mi.dy;
3268 req->input.mouse.data = input->u.mi.mouseData;
3269 req->input.mouse.flags = input->u.mi.dwFlags;
3270 req->input.mouse.time = input->u.mi.time;
3271 req->input.mouse.info = input->u.mi.dwExtraInfo;
3272 break;
3273 case INPUT_KEYBOARD:
3274 req->input.kbd.vkey = input->u.ki.wVk;
3275 req->input.kbd.scan = input->u.ki.wScan;
3276 req->input.kbd.flags = input->u.ki.dwFlags;
3277 req->input.kbd.time = input->u.ki.time;
3278 req->input.kbd.info = input->u.ki.dwExtraInfo;
3279 break;
3280 case INPUT_HARDWARE:
3281 req->input.hw.msg = input->u.hi.uMsg;
3282 req->input.hw.lparam = MAKELONG( input->u.hi.wParamL, input->u.hi.wParamH );
3283 break;
3284 }
3285 if (thread_info->key_state) wine_server_set_reply( req, thread_info->key_state, 256 );
3286 ret = wine_server_call( req );
3287 wait = reply->wait;
3288 prev_x = reply->prev_x;
3289 prev_y = reply->prev_y;
3290 new_x = reply->new_x;
3291 new_y = reply->new_y;
3292 }
3293 SERVER_END_REQ;
3294
3295 if (!ret)
3296 {
3297 if (thread_info->key_state) thread_info->key_state_time = GetTickCount();
3298 if ((flags & SEND_HWMSG_INJECTED) && (prev_x != new_x || prev_y != new_y))
3299 USER_Driver->pSetCursorPos( new_x, new_y );
3300 }
3301
3302 if (wait)
3303 {
3304 LRESULT ignored;
3305 wait_message_reply( 0 );
3306 retrieve_reply( &info, 0, &ignored );
3307 }
3308 return ret;
3309 }
3310
3311
3312 /***********************************************************************
3313 * MSG_SendInternalMessageTimeout
3314 *
3315 * Same as SendMessageTimeoutW but sends the message to a specific thread
3316 * without requiring a window handle. Only works for internal Wine messages.
3317 */
3318 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
3319 UINT msg, WPARAM wparam, LPARAM lparam,
3320 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3321 {
3322 struct send_message_info info;
3323 LRESULT ret, result;
3324
3325 assert( msg & 0x80000000 ); /* must be an internal Wine message */
3326
3327 info.type = MSG_UNICODE;
3328 info.dest_tid = dest_tid;
3329 info.hwnd = 0;
3330 info.msg = msg;
3331 info.wparam = wparam;
3332 info.lparam = lparam;
3333 info.flags = flags;
3334 info.timeout = timeout;
3335
3336 if (USER_IsExitingThread( dest_tid )) return 0;
3337
3338 if (dest_tid == GetCurrentThreadId())
3339 {
3340 result = handle_internal_message( 0, msg, wparam, lparam );
3341 ret = 1;
3342 }
3343 else
3344 {
3345 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
3346 ret = send_inter_thread_message( &info, &result );
3347 }
3348 if (ret && res_ptr) *res_ptr = result;
3349 return ret;
3350 }
3351
3352
3353 /***********************************************************************
3354 * SendMessageTimeoutW (USER32.@)
3355 */
3356 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3357 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3358 {
3359 struct send_message_info info;
3360
3361 info.type = MSG_UNICODE;
3362 info.hwnd = hwnd;
3363 info.msg = msg;
3364 info.wparam = wparam;
3365 info.lparam = lparam;
3366 info.flags = flags;
3367 info.timeout = timeout;
3368
3369 return send_message( &info, res_ptr, TRUE );
3370 }
3371
3372 /***********************************************************************
3373 * SendMessageTimeoutA (USER32.@)
3374 */
3375 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3376 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3377 {
3378 struct send_message_info info;
3379
3380 info.type = MSG_ASCII;
3381 info.hwnd = hwnd;
3382 info.msg = msg;
3383 info.wparam = wparam;
3384 info.lparam = lparam;
3385 info.flags = flags;
3386 info.timeout = timeout;
3387 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3388
3389 return send_message( &info, res_ptr, FALSE );
3390 }
3391
3392
3393 /***********************************************************************
3394 * SendMessageW (USER32.@)
3395 */
3396 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3397 {
3398 DWORD_PTR res = 0;
3399 struct send_message_info info;
3400
3401 info.type = MSG_UNICODE;
3402 info.hwnd = hwnd;
3403 info.msg = msg;
3404 info.wparam = wparam;
3405 info.lparam = lparam;
3406 info.flags = SMTO_NORMAL;
3407 info.timeout = 0;
3408
3409 send_message( &info, &res, TRUE );
3410 return res;
3411 }
3412
3413
3414 /***********************************************************************
3415 * SendMessageA (USER32.@)
3416 */
3417 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3418 {
3419 DWORD_PTR res = 0;
3420 struct send_message_info info;
3421
3422 info.type = MSG_ASCII;
3423 info.hwnd = hwnd;
3424 info.msg = msg;
3425 info.wparam = wparam;
3426 info.lparam = lparam;
3427 info.flags = SMTO_NORMAL;
3428 info.timeout = 0;
3429 info.wm_char = WMCHAR_MAP_SENDMESSAGE;
3430
3431 send_message( &info, &res, FALSE );
3432 return res;
3433 }
3434
3435
3436 /***********************************************************************
3437 * SendNotifyMessageA (USER32.@)
3438 */
3439 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3440 {
3441 struct send_message_info info;
3442
3443 if (is_pointer_message(msg))
3444 {
3445 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3446 return FALSE;
3447 }
3448
3449 info.type = MSG_NOTIFY;
3450 info.hwnd = hwnd;
3451 info.msg = msg;
3452 info.wparam = wparam;
3453 info.lparam = lparam;
3454 info.flags = 0;
3455 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3456
3457 return send_message( &info, NULL, FALSE );
3458 }
3459
3460
3461 /***********************************************************************
3462 * SendNotifyMessageW (USER32.@)
3463 */
3464 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3465 {
3466 struct send_message_info info;
3467
3468 if (is_pointer_message(msg))
3469 {
3470 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3471 return FALSE;
3472 }
3473
3474 info.type = MSG_NOTIFY;
3475 info.hwnd = hwnd;
3476 info.msg = msg;
3477 info.wparam = wparam;
3478 info.lparam = lparam;
3479 info.flags = 0;
3480
3481 return send_message( &info, NULL, TRUE );
3482 }
3483
3484
3485 /***********************************************************************
3486 * SendMessageCallbackA (USER32.@)
3487 */
3488 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3489 SENDASYNCPROC callback, ULONG_PTR data )
3490 {
3491 struct send_message_info info;
3492
3493 if (is_pointer_message(msg))
3494 {
3495 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3496 return FALSE;
3497 }
3498
3499 info.type = MSG_CALLBACK;
3500 info.hwnd = hwnd;
3501 info.msg = msg;
3502 info.wparam = wparam;
3503 info.lparam = lparam;
3504 info.callback = callback;
3505 info.data = data;
3506 info.flags = 0;
3507 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3508
3509 return send_message( &info, NULL, FALSE );
3510 }
3511
3512
3513 /***********************************************************************
3514 * SendMessageCallbackW (USER32.@)
3515 */
3516 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3517 SENDASYNCPROC callback, ULONG_PTR data )
3518 {
3519 struct send_message_info info;
3520
3521 if (is_pointer_message(msg))
3522 {
3523 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3524 return FALSE;
3525 }
3526
3527 info.type = MSG_CALLBACK;
3528 info.hwnd = hwnd;
3529 info.msg = msg;
3530 info.wparam = wparam;
3531 info.lparam = lparam;
3532 info.callback = callback;
3533 info.data = data;
3534 info.flags = 0;
3535
3536 return send_message( &info, NULL, TRUE );
3537 }
3538
3539
3540 /***********************************************************************
3541 * ReplyMessage (USER32.@)
3542 */
3543 BOOL WINAPI ReplyMessage( LRESULT result )
3544 {
3545 struct received_message_info *info = get_user_thread_info()->receive_info;
3546
3547 if (!info) return FALSE;
3548 reply_message( info, result, FALSE );
3549 return TRUE;
3550 }
3551
3552
3553 /***********************************************************************
3554 * InSendMessage (USER32.@)
3555 */
3556 BOOL WINAPI InSendMessage(void)
3557 {
3558 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
3559 }
3560
3561
3562 /***********************************************************************
3563 * InSendMessageEx (USER32.@)
3564 */
3565 DWORD WINAPI InSendMessageEx( LPVOID reserved )
3566 {
3567 struct received_message_info *info = get_user_thread_info()->receive_info;
3568
3569 if (info) return info->flags;
3570 return ISMEX_NOSEND;
3571 }
3572
3573
3574 /***********************************************************************
3575 * PostMessageA (USER32.@)
3576 */
3577 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3578 {
3579 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3580 return PostMessageW( hwnd, msg, wparam, lparam );
3581 }
3582
3583
3584 /***********************************************************************
3585 * PostMessageW (USER32.@)
3586 */
3587 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3588 {
3589 struct send_message_info info;
3590
3591 if (is_pointer_message( msg ))
3592 {
3593 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3594 return FALSE;
3595 }
3596
3597 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3598 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
3599
3600 info.type = MSG_POSTED;
3601 info.hwnd = hwnd;
3602 info.msg = msg;
3603 info.wparam = wparam;
3604 info.lparam = lparam;
3605 info.flags = 0;
3606
3607 if (is_broadcast(hwnd))
3608 {
3609 EnumWindows( broadcast_message_callback, (LPARAM)&info );
3610 return TRUE;
3611 }
3612
3613 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
3614
3615 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
3616
3617 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
3618
3619 return put_message_in_queue( &info, NULL );
3620 }
3621
3622
3623 /**********************************************************************
3624 * PostThreadMessageA (USER32.@)
3625 */
3626 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3627 {
3628 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3629 return PostThreadMessageW( thread, msg, wparam, lparam );
3630 }
3631
3632
3633 /**********************************************************************
3634 * PostThreadMessageW (USER32.@)
3635 */
3636 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3637 {
3638 struct send_message_info info;
3639
3640 if (is_pointer_message( msg ))
3641 {
3642 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3643 return FALSE;
3644 }
3645 if (USER_IsExitingThread( thread )) return TRUE;
3646
3647 info.type = MSG_POSTED;
3648 info.dest_tid = thread;
3649 info.hwnd = 0;
3650 info.msg = msg;
3651 info.wparam = wparam;
3652 info.lparam = lparam;
3653 info.flags = 0;
3654 return put_message_in_queue( &info, NULL );
3655 }
3656
3657
3658 /***********************************************************************
3659 * PostQuitMessage (USER32.@)
3660 *
3661 * Posts a quit message to the current thread's message queue.
3662 *
3663 * PARAMS
3664 * exit_code [I] Exit code to return from message loop.
3665 *
3666 * RETURNS
3667 * Nothing.
3668 *
3669 * NOTES
3670 * This function is not the same as calling:
3671 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
3672 * It instead sets a flag in the message queue that signals it to generate
3673 * a WM_QUIT message when there are no other pending sent or posted messages
3674 * in the queue.
3675 */
3676 void WINAPI PostQuitMessage( INT exit_code )
3677 {
3678 SERVER_START_REQ( post_quit_message )
3679 {
3680 req->exit_code = exit_code;
3681 wine_server_call( req );
3682 }
3683 SERVER_END_REQ;
3684 }
3685
3686 /* check for driver events if we detect that the app is not properly consuming messages */
3687 static inline void check_for_driver_events( UINT msg )
3688 {
3689 if (get_user_thread_info()->message_count > 200)
3690 {
3691 flush_window_surfaces( FALSE );
3692 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
3693 }
3694 else if (msg == WM_TIMER || msg == WM_SYSTIMER)
3695 {
3696 /* driver events should have priority over timers, so make sure we'll check for them soon */
3697 get_user_thread_info()->message_count += 100;
3698 }
3699 else get_user_thread_info()->message_count++;
3700 }
3701
3702 /***********************************************************************
3703 * PeekMessageW (USER32.@)
3704 */
3705 BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
3706 {
3707 MSG msg;
3708
3709 USER_CheckNotLock();
3710 check_for_driver_events( 0 );
3711
3712 if (!peek_message( &msg, hwnd, first, last, flags, 0 ))
3713 {
3714 DWORD ret;
3715
3716 flush_window_surfaces( TRUE );
3717 ret = wow_handlers.wait_message( 0, NULL, 0, QS_ALLINPUT, 0 );
3718 /* if we received driver events, check again for a pending message */
3719 if (ret == WAIT_TIMEOUT || !peek_message( &msg, hwnd, first, last, flags, 0 )) return FALSE;
3720 }
3721
3722 check_for_driver_events( msg.message );
3723
3724 /* copy back our internal safe copy of message data to msg_out.
3725 * msg_out is a variable from the *program*, so it can't be used
3726 * internally as it can get "corrupted" by our use of SendMessage()
3727 * (back to the program) inside the message handling itself. */
3728 if (!msg_out)
3729 {
3730 SetLastError( ERROR_NOACCESS );
3731 return FALSE;
3732 }
3733 *msg_out = msg;
3734 return TRUE;
3735 }
3736
3737
3738 /***********************************************************************
3739 * PeekMessageA (USER32.@)
3740 */
3741 BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
3742 {
3743 if (get_pending_wmchar( msg, first, last, (flags & PM_REMOVE) )) return TRUE;
3744 if (!PeekMessageW( msg, hwnd, first, last, flags )) return FALSE;
3745 map_wparam_WtoA( msg, (flags & PM_REMOVE) );
3746 return TRUE;
3747 }
3748
3749
3750 /***********************************************************************
3751 * GetMessageW (USER32.@)
3752 */
3753 BOOL WINAPI DECLSPEC_HOTPATCH GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
3754 {
3755 HANDLE server_queue = get_server_queue_handle();
3756 unsigned int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
3757
3758 USER_CheckNotLock();
3759 check_for_driver_events( 0 );
3760
3761 if (first || last)
3762 {
3763 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
3764 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
3765 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
3766 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
3767 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
3768 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
3769 }
3770 else mask = QS_ALLINPUT;
3771
3772 while (!peek_message( msg, hwnd, first, last, PM_REMOVE | (mask << 16), mask ))
3773 {
3774 flush_window_surfaces( TRUE );
3775 wow_handlers.wait_message( 1, &server_queue, INFINITE, mask, 0 );
3776 }
3777 check_for_driver_events( msg->message );
3778
3779 return (msg->message != WM_QUIT);
3780 }
3781
3782
3783 /***********************************************************************
3784 * GetMessageA (USER32.@)
3785 */
3786 BOOL WINAPI DECLSPEC_HOTPATCH GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
3787 {
3788 if (get_pending_wmchar( msg, first, last, TRUE )) return TRUE;
3789 GetMessageW( msg, hwnd, first, last );
3790 map_wparam_WtoA( msg, TRUE );
3791 return (msg->message != WM_QUIT);
3792 }
3793
3794
3795 /***********************************************************************
3796 * IsDialogMessageA (USER32.@)
3797 * IsDialogMessage (USER32.@)
3798 */
3799 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
3800 {
3801 MSG msg = *pmsg;
3802 map_wparam_AtoW( msg.message, &msg.wParam, WMCHAR_MAP_NOMAPPING );
3803 return IsDialogMessageW( hwndDlg, &msg );
3804 }
3805
3806
3807 /***********************************************************************
3808 * TranslateMessage (USER32.@)
3809 *
3810 * Implementation of TranslateMessage.
3811 *
3812 * TranslateMessage translates virtual-key messages into character-messages,
3813 * as follows :
3814 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
3815 * ditto replacing WM_* with WM_SYS*
3816 * This produces WM_CHAR messages only for keys mapped to ASCII characters
3817 * by the keyboard driver.
3818 *
3819 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
3820 * return value is nonzero, regardless of the translation.
3821 *
3822 */
3823 BOOL WINAPI TranslateMessage( const MSG *msg )
3824 {
3825 UINT message;
3826 WCHAR wp[8];
3827 BYTE state[256];
3828 INT len;
3829
3830 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
3831 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
3832
3833 TRACE_(key)("Translating key %s (%04lX), scancode %04x\n",
3834 SPY_GetVKeyName(msg->wParam), msg->wParam, HIWORD(msg->lParam));
3835
3836 switch (msg->wParam)
3837 {
3838 case VK_PACKET:
3839 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3840 TRACE_(key)("PostMessageW(%p,%s,%04x,%08x)\n",
3841 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), HIWORD(msg->lParam), LOWORD(msg->lParam));
3842 PostMessageW( msg->hwnd, message, HIWORD(msg->lParam), LOWORD(msg->lParam));
3843 return TRUE;
3844
3845 case VK_PROCESSKEY:
3846 return ImmTranslateMessage(msg->hwnd, msg->message, msg->wParam, msg->lParam);
3847 }
3848
3849 GetKeyboardState( state );
3850 len = ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, sizeof(wp)/sizeof(WCHAR), 0);
3851 if (len == -1)
3852 {
3853 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
3854 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3855 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
3856 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
3857 }
3858 else if (len > 0)
3859 {
3860 INT i;
3861
3862 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3863 TRACE_(key)("%d -> PostMessageW(%p,%s,<x>,%08lx) for <x> in %s\n", len, msg->hwnd,
3864 SPY_GetMsgName(message, msg->hwnd), msg->lParam, debugstr_wn(wp, len));
3865 for (i = 0; i < len; i++)
3866 PostMessageW( msg->hwnd, message, wp[i], msg->lParam );
3867 }
3868 return TRUE;
3869 }
3870
3871
3872 /***********************************************************************
3873 * DispatchMessageA (USER32.@)
3874 *
3875 * See DispatchMessageW.
3876 */
3877 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageA( const MSG* msg )
3878 {
3879 LRESULT retval;
3880
3881 /* Process timer messages */
3882 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3883 {
3884 if (msg->lParam)
3885 {
3886 __TRY
3887 {
3888 retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
3889 msg->message, msg->wParam, GetTickCount() );
3890 }
3891 __EXCEPT_PAGE_FAULT
3892 {
3893 retval = 0;
3894 }
3895 __ENDTRY
3896 return retval;
3897 }
3898 }
3899 if (!msg->hwnd) return 0;
3900
3901 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3902 msg->wParam, msg->lParam );
3903
3904 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3905 &retval, FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
3906 {
3907 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3908 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3909 retval = 0;
3910 }
3911
3912 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3913 msg->wParam, msg->lParam );
3914
3915 if (msg->message == WM_PAINT)
3916 {
3917 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3918 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3919 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3920 DeleteObject( hrgn );
3921 }
3922 return retval;
3923 }
3924
3925
3926 /***********************************************************************
3927 * DispatchMessageW (USER32.@) Process a message
3928 *
3929 * Process the message specified in the structure *_msg_.
3930 *
3931 * If the lpMsg parameter points to a WM_TIMER message and the
3932 * parameter of the WM_TIMER message is not NULL, the lParam parameter
3933 * points to the function that is called instead of the window
3934 * procedure. The function stored in lParam (timer callback) is protected
3935 * from causing page-faults.
3936 *
3937 * The message must be valid.
3938 *
3939 * RETURNS
3940 *
3941 * DispatchMessage() returns the result of the window procedure invoked.
3942 *
3943 * CONFORMANCE
3944 *
3945 * ECMA-234, Win32
3946 *
3947 */
3948 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageW( const MSG* msg )
3949 {
3950 LRESULT retval;
3951
3952 /* Process timer messages */
3953 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3954 {
3955 if (msg->lParam)
3956 {
3957 __TRY
3958 {
3959 retval = CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
3960 msg->message, msg->wParam, GetTickCount() );
3961 }
3962 __EXCEPT_PAGE_FAULT
3963 {
3964 retval = 0;
3965 }
3966 __ENDTRY
3967 return retval;
3968 }
3969 }
3970 if (!msg->hwnd) return 0;
3971
3972 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3973 msg->wParam, msg->lParam );
3974
3975 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3976 &retval, TRUE, WMCHAR_MAP_DISPATCHMESSAGE ))
3977 {
3978 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3979 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3980 retval = 0;
3981 }
3982
3983 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3984 msg->wParam, msg->lParam );
3985
3986 if (msg->message == WM_PAINT)
3987 {
3988 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3989 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3990 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3991 DeleteObject( hrgn );
3992 }
3993 return retval;
3994 }
3995
3996
3997 /***********************************************************************
3998 * GetMessagePos (USER.119)
3999 * GetMessagePos (USER32.@)
4000 *
4001 * The GetMessagePos() function returns a long value representing a
4002 * cursor position, in screen coordinates, when the last message
4003 * retrieved by the GetMessage() function occurs. The x-coordinate is
4004 * in the low-order word of the return value, the y-coordinate is in
4005 * the high-order word. The application can use the MAKEPOINT()
4006 * macro to obtain a POINT structure from the return value.
4007 *
4008 * For the current cursor position, use GetCursorPos().
4009 *
4010 * RETURNS
4011 *
4012 * Cursor position of last message on success, zero on failure.
4013 *
4014 * CONFORMANCE
4015 *
4016 * ECMA-234, Win32
4017 *
4018 */
4019 DWORD WINAPI GetMessagePos(void)
4020 {
4021 return get_user_thread_info()->GetMessagePosVal;
4022 }
4023
4024
4025 /***********************************************************************
4026 * GetMessageTime (USER.120)
4027 * GetMessageTime (USER32.@)
4028 *
4029 * GetMessageTime() returns the message time for the last message
4030 * retrieved by the function. The time is measured in milliseconds with
4031 * the same offset as GetTickCount().
4032 *
4033 * Since the tick count wraps, this is only useful for moderately short
4034 * relative time comparisons.
4035 *
4036 * RETURNS
4037 *
4038 * Time of last message on success, zero on failure.
4039 */
4040 LONG WINAPI GetMessageTime(void)
4041 {
4042 return get_user_thread_info()->GetMessageTimeVal;
4043 }
4044
4045
4046 /***********************************************************************
4047 * GetMessageExtraInfo (USER.288)
4048 * GetMessageExtraInfo (USER32.@)
4049 */
4050 LPARAM WINAPI GetMessageExtraInfo(void)
4051 {
4052 return get_user_thread_info()->GetMessageExtraInfoVal;
4053 }
4054
4055
4056 /***********************************************************************
4057 * SetMessageExtraInfo (USER32.@)
4058 */
4059 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
4060 {
4061 struct user_thread_info *thread_info = get_user_thread_info();
4062 LONG old_value = thread_info->GetMessageExtraInfoVal;
4063 thread_info->GetMessageExtraInfoVal = lParam;
4064 return old_value;
4065 }
4066
4067
4068 /***********************************************************************
4069 * WaitMessage (USER.112) Suspend thread pending messages
4070 * WaitMessage (USER32.@) Suspend thread pending messages
4071 *
4072 * WaitMessage() suspends a thread until events appear in the thread's
4073 * queue.
4074 */
4075 BOOL WINAPI WaitMessage(void)
4076 {
4077 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
4078 }
4079
4080
4081 /***********************************************************************
4082 * MsgWaitForMultipleObjectsEx (USER32.@)
4083 */
4084 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *pHandles,
4085 DWORD timeout, DWORD mask, DWORD flags )
4086 {
4087 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
4088 DWORD i;
4089
4090 if (count > MAXIMUM_WAIT_OBJECTS-1)
4091 {
4092 SetLastError( ERROR_INVALID_PARAMETER );
4093 return WAIT_FAILED;
4094 }
4095
4096 /* set the queue mask */
4097 SERVER_START_REQ( set_queue_mask )
4098 {
4099 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
4100 req->changed_mask = mask;
4101 req->skip_wait = 0;
4102 wine_server_call( req );
4103 }
4104 SERVER_END_REQ;
4105
4106 /* add the queue to the handle list */
4107 for (i = 0; i < count; i++) handles[i] = pHandles[i];
4108 handles[count] = get_server_queue_handle();
4109
4110 flush_window_surfaces( TRUE );
4111 return wow_handlers.wait_message( count+1, handles, timeout, mask, flags );
4112 }
4113
4114
4115 /***********************************************************************
4116 * MsgWaitForMultipleObjects (USER32.@)
4117 */
4118 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, const HANDLE *handles,
4119 BOOL wait_all, DWORD timeout, DWORD mask )
4120 {
4121 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
4122 wait_all ? MWMO_WAITALL : 0 );
4123 }
4124
4125
4126 /***********************************************************************
4127 * WaitForInputIdle (USER32.@)
4128 */
4129 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
4130 {
4131 DWORD start_time, elapsed, ret;
4132 HANDLE handles[2];
4133
4134 handles[0] = hProcess;
4135 SERVER_START_REQ( get_process_idle_event )
4136 {
4137 req->handle = wine_server_obj_handle( hProcess );
4138 wine_server_call_err( req );
4139 handles[1] = wine_server_ptr_handle( reply->event );
4140 }
4141 SERVER_END_REQ;
4142 if (!handles[1]) return WAIT_FAILED; /* no event to wait on */
4143
4144 start_time = GetTickCount();
4145 elapsed = 0;
4146
4147 TRACE("waiting for %p\n", handles[1] );
4148 do
4149 {
4150 ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
4151 switch (ret)
4152 {
4153 case WAIT_OBJECT_0:
4154 return 0;
4155 case WAIT_OBJECT_0+2:
4156 process_sent_messages();
4157 break;
4158 case WAIT_TIMEOUT:
4159 case WAIT_FAILED:
4160 TRACE("timeout or error\n");
4161 return ret;
4162 default:
4163 TRACE("finished\n");
4164 return 0;
4165 }
4166 if (dwTimeOut != INFINITE)
4167 {
4168 elapsed = GetTickCount() - start_time;
4169 if (elapsed > dwTimeOut)
4170 break;
4171 }
4172 }
4173 while (1);
4174
4175 return WAIT_TIMEOUT;
4176 }
4177
4178
4179 /***********************************************************************
4180 * RegisterWindowMessageA (USER32.@)
4181 * RegisterWindowMessage (USER.118)
4182 */
4183 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
4184 {
4185 UINT ret = GlobalAddAtomA(str);
4186 TRACE("%s, ret=%x\n", str, ret);
4187 return ret;
4188 }
4189
4190
4191 /***********************************************************************
4192 * RegisterWindowMessageW (USER32.@)
4193 */
4194 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
4195 {
4196 UINT ret = GlobalAddAtomW(str);
4197 TRACE("%s ret=%x\n", debugstr_w(str), ret);
4198 return ret;
4199 }
4200
4201 typedef struct BroadcastParm
4202 {
4203 DWORD flags;
4204 LPDWORD recipients;
4205 UINT msg;
4206 WPARAM wp;
4207 LPARAM lp;
4208 DWORD success;
4209 HWINSTA winsta;
4210 } BroadcastParm;
4211
4212 static BOOL CALLBACK bcast_childwindow( HWND hw, LPARAM lp )
4213 {
4214 BroadcastParm *parm = (BroadcastParm*)lp;
4215 DWORD_PTR retval = 0;
4216 LRESULT lresult;
4217
4218 if (parm->flags & BSF_IGNORECURRENTTASK && WIN_IsCurrentProcess(hw))
4219 {
4220 TRACE("Not telling myself %p\n", hw);
4221 return TRUE;
4222 }
4223
4224 /* I don't know 100% for sure if this is what Windows does, but it fits the tests */
4225 if (parm->flags & BSF_QUERY)
4226 {
4227 TRACE("Telling window %p using SendMessageTimeout\n", hw);
4228
4229 /* Not tested for conflicting flags */
4230 if (parm->flags & BSF_FORCEIFHUNG || parm->flags & BSF_NOHANG)
4231 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_ABORTIFHUNG, 2000, &retval );
4232 else if (parm->flags & BSF_NOTIMEOUTIFNOTHUNG)
4233 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NOTIMEOUTIFNOTHUNG, 2000, &retval );
4234 else
4235 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NORMAL, 2000, &retval );
4236
4237 if (!lresult && GetLastError() == ERROR_TIMEOUT)
4238 {
4239 WARN("Timed out!\n");
4240 if (!(parm->flags & BSF_FORCEIFHUNG))
4241 goto fail;
4242 }
4243 if (retval == BROADCAST_QUERY_DENY)
4244 goto fail;
4245
4246 return TRUE;
4247
4248 fail:
4249 parm->success = 0;
4250 return FALSE;
4251 }
4252 else if (parm->flags & BSF_POSTMESSAGE)
4253 {
4254 TRACE("Telling window %p using PostMessage\n", hw);
4255 PostMessageW( hw, parm->msg, parm->wp, parm->lp );
4256 }
4257 else
4258 {
4259 TRACE("Telling window %p using SendNotifyMessage\n", hw);
4260 SendNotifyMessageW( hw, parm->msg, parm->wp, parm->lp );
4261 }
4262
4263 return TRUE;
4264 }
4265
4266 static BOOL CALLBACK bcast_desktop( LPWSTR desktop, LPARAM lp )
4267 {
4268 BOOL ret;
4269 HDESK hdesktop;
4270 BroadcastParm *parm = (BroadcastParm*)lp;
4271
4272 TRACE("desktop: %s\n", debugstr_w( desktop ));
4273
4274 hdesktop = open_winstation_desktop( parm->winsta, desktop, 0, FALSE, DESKTOP_ENUMERATE|DESKTOP_WRITEOBJECTS|STANDARD_RIGHTS_WRITE );
4275 if (!hdesktop)
4276 {
4277 FIXME("Could not open desktop %s\n", debugstr_w(desktop));
4278 return TRUE;
4279 }
4280
4281 ret = EnumDesktopWindows( hdesktop, bcast_childwindow, lp );
4282 CloseDesktop(hdesktop);
4283 TRACE("-->%d\n", ret);
4284 return parm->success;
4285 }
4286
4287 static BOOL CALLBACK bcast_winsta( LPWSTR winsta, LPARAM lp )
4288 {
4289 BOOL ret;
4290 HWINSTA hwinsta = OpenWindowStationW( winsta, FALSE, WINSTA_ENUMDESKTOPS );
4291 TRACE("hwinsta: %p/%s/%08x\n", hwinsta, debugstr_w( winsta ), GetLastError());
4292 if (!hwinsta)
4293 return TRUE;
4294 ((BroadcastParm *)lp)->winsta = hwinsta;
4295 ret = EnumDesktopsW( hwinsta, bcast_desktop, lp );
4296 CloseWindowStation( hwinsta );
4297 TRACE("-->%d\n", ret);
4298 return ret;
4299 }
4300
4301 /***********************************************************************
4302 * BroadcastSystemMessageA (USER32.@)
4303 * BroadcastSystemMessage (USER32.@)
4304 */
4305 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4306 {
4307 return BroadcastSystemMessageExA( flags, recipients, msg, wp, lp, NULL );
4308 }
4309
4310
4311 /***********************************************************************
4312 * BroadcastSystemMessageW (USER32.@)
4313 */
4314 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4315 {
4316 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4317 }
4318
4319 /***********************************************************************
4320 * BroadcastSystemMessageExA (USER32.@)
4321 */
4322 LONG WINAPI BroadcastSystemMessageExA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4323 {
4324 map_wparam_AtoW( msg, &wp, WMCHAR_MAP_NOMAPPING );
4325 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4326 }
4327
4328
4329 /***********************************************************************
4330 * BroadcastSystemMessageExW (USER32.@)
4331 */
4332 LONG WINAPI BroadcastSystemMessageExW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4333 {
4334 BroadcastParm parm;
4335 DWORD recips = BSM_ALLCOMPONENTS;
4336 BOOL ret = TRUE;
4337 static const DWORD all_flags = ( BSF_QUERY | BSF_IGNORECURRENTTASK | BSF_FLUSHDISK | BSF_NOHANG
4338 | BSF_POSTMESSAGE | BSF_FORCEIFHUNG | BSF_NOTIMEOUTIFNOTHUNG
4339 | BSF_ALLOWSFW | BSF_SENDNOTIFYMESSAGE | BSF_RETURNHDESK | BSF_LUID );
4340
4341 TRACE("Flags: %08x, recipients: %p(0x%x), msg: %04x, wparam: %08lx, lparam: %08lx\n", flags, recipients,
4342 (recipients ? *recipients : recips), msg, wp, lp);
4343
4344 if (flags & ~all_flags)
4345 {
4346 SetLastError(ERROR_INVALID_PARAMETER);
4347 return 0;
4348 }
4349
4350 if (!recipients)
4351 recipients = &recips;
4352
4353 if ( pinfo && flags & BSF_QUERY )
4354 FIXME("Not returning PBSMINFO information yet\n");
4355
4356 parm.flags = flags;
4357 parm.recipients = recipients;
4358 parm.msg = msg;
4359 parm.wp = wp;
4360 parm.lp = lp;
4361 parm.success = TRUE;
4362
4363 if (*recipients & BSM_ALLDESKTOPS || *recipients == BSM_ALLCOMPONENTS)
4364 ret = EnumWindowStationsW(bcast_winsta, (LONG_PTR)&parm);
4365 else if (*recipients & BSM_APPLICATIONS)
4366 {
4367 EnumWindows(bcast_childwindow, (LONG_PTR)&parm);
4368 ret = parm.success;
4369 }
4370 else
4371 FIXME("Recipients %08x not supported!\n", *recipients);
4372
4373 return ret;
4374 }
4375
4376 /***********************************************************************
4377 * SetMessageQueue (USER32.@)
4378 */
4379 BOOL WINAPI SetMessageQueue( INT size )
4380 {
4381 /* now obsolete the message queue will be expanded dynamically as necessary */
4382 return TRUE;
4383 }
4384
4385
4386 /***********************************************************************
4387 * MessageBeep (USER32.@)
4388 */
4389 BOOL WINAPI MessageBeep( UINT i )
4390 {
4391 BOOL active = TRUE;
4392 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
4393 if (active) USER_Driver->pBeep();
4394 return TRUE;
4395 }
4396
4397
4398 /***********************************************************************
4399 * SetTimer (USER32.@)
4400 */
4401 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4402 {
4403 UINT_PTR ret;
4404 WNDPROC winproc = 0;
4405
4406 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4407
4408 /* MSDN states that the minimum timeout should be USER_TIMER_MINIMUM (10.0 ms), but testing
4409 * indicates that the true minimum is closer to 15.6 ms. */
4410 timeout = min( max( 15, timeout ), USER_TIMER_MAXIMUM );
4411
4412 SERVER_START_REQ( set_win_timer )
4413 {
4414 req->win = wine_server_user_handle( hwnd );
4415 req->msg = WM_TIMER;
4416 req->id = id;
4417 req->rate = timeout;
4418 req->lparam = (ULONG_PTR)winproc;
4419 if (!wine_server_call_err( req ))
4420 {
4421 ret = reply->id;
4422 if (!ret) ret = TRUE;
4423 }
4424 else ret = 0;
4425 }
4426 SERVER_END_REQ;
4427
4428 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4429 return ret;
4430 }
4431
4432
4433 /***********************************************************************
4434 * SetSystemTimer (USER32.@)
4435 */
4436 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4437 {
4438 UINT_PTR ret;
4439 WNDPROC winproc = 0;
4440
4441 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4442
4443 /* MSDN states that the minimum timeout should be USER_TIMER_MINIMUM (10.0 ms), but testing
4444 * indicates that the true minimum is closer to 15.6 ms. */
4445 timeout = min( max( 15, timeout ), USER_TIMER_MAXIMUM );
4446
4447 SERVER_START_REQ( set_win_timer )
4448 {
4449 req->win = wine_server_user_handle( hwnd );
4450 req->msg = WM_SYSTIMER;
4451 req->id = id;
4452 req->rate = timeout;
4453 req->lparam = (ULONG_PTR)winproc;
4454 if (!wine_server_call_err( req ))
4455 {
4456 ret = reply->id;
4457 if (!ret) ret = TRUE;
4458 }
4459 else ret = 0;
4460 }
4461 SERVER_END_REQ;
4462
4463 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4464 return ret;
4465 }
4466
4467
4468 /***********************************************************************
4469 * KillTimer (USER32.@)
4470 */
4471 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
4472 {
4473 BOOL ret;
4474
4475 SERVER_START_REQ( kill_win_timer )
4476 {
4477 req->win = wine_server_user_handle( hwnd );
4478 req->msg = WM_TIMER;
4479 req->id = id;
4480 ret = !wine_server_call_err( req );
4481 }
4482 SERVER_END_REQ;
4483 return ret;
4484 }
4485
4486
4487 /***********************************************************************
4488 * KillSystemTimer (USER32.@)
4489 */
4490 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
4491 {
4492 BOOL ret;
4493
4494 SERVER_START_REQ( kill_win_timer )
4495 {
4496 req->win = wine_server_user_handle( hwnd );
4497 req->msg = WM_SYSTIMER;
4498 req->id = id;
4499 ret = !wine_server_call_err( req );
4500 }
4501 SERVER_END_REQ;
4502 return ret;
4503 }
4504
4505
4506 /**********************************************************************
4507 * IsGUIThread (USER32.@)
4508 */
4509 BOOL WINAPI IsGUIThread( BOOL convert )
4510 {
4511 FIXME( "%u: stub\n", convert );
4512 return TRUE;
4513 }
4514
4515
4516 /**********************************************************************
4517 * GetGUIThreadInfo (USER32.@)
4518 */
4519 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
4520 {
4521 BOOL ret;
4522
4523 if (info->cbSize != sizeof(*info))
4524 {
4525 SetLastError( ERROR_INVALID_PARAMETER );
4526 return FALSE;
4527 }
4528
4529 SERVER_START_REQ( get_thread_input )
4530 {
4531 req->tid = id;
4532 if ((ret = !wine_server_call_err( req )))
4533 {
4534 info->flags = 0;
4535 info->hwndActive = wine_server_ptr_handle( reply->active );
4536 info->hwndFocus = wine_server_ptr_handle( reply->focus );
4537 info->hwndCapture = wine_server_ptr_handle( reply->capture );
4538 info->hwndMenuOwner = wine_server_ptr_handle( reply->menu_owner );
4539 info->hwndMoveSize = wine_server_ptr_handle( reply->move_size );
4540 info->hwndCaret = wine_server_ptr_handle( reply->caret );
4541 info->rcCaret.left = reply->rect.left;
4542 info->rcCaret.top = reply->rect.top;
4543 info->rcCaret.right = reply->rect.right;
4544 info->rcCaret.bottom = reply->rect.bottom;
4545 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
4546 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
4547 if (reply->caret) info->flags |= GUI_CARETBLINKING;
4548 }
4549 }
4550 SERVER_END_REQ;
4551 return ret;
4552 }
4553
4554
4555 /******************************************************************
4556 * IsHungAppWindow (USER32.@)
4557 *
4558 */
4559 BOOL WINAPI IsHungAppWindow( HWND hWnd )
4560 {
4561 BOOL ret;
4562
4563 SERVER_START_REQ( is_window_hung )
4564 {
4565 req->win = wine_server_user_handle( hWnd );
4566 ret = !wine_server_call_err( req ) && reply->is_hung;
4567 }
4568 SERVER_END_REQ;
4569 return ret;
4570 }
4571
4572 /******************************************************************
4573 * ChangeWindowMessageFilter (USER32.@)
4574 */
4575 BOOL WINAPI ChangeWindowMessageFilter( UINT message, DWORD flag )
4576 {
4577 FIXME( "%x %08x\n", message, flag );
4578 return TRUE;
4579 }
Windows API implementation