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user32: Add MOUSEHOOKSTRUCTEX for mouse wheel support.
[wine.git] / dlls / user32 / message.c
blob3e419ee8ff91c46cbddf8efdebb02ebbdabbd7d4
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 if (!wparam && GetForegroundWindow() == hwnd) return 0;
1876 return (LRESULT)SetActiveWindow( (HWND)wparam );
1877 case WM_WINE_KEYBOARD_LL_HOOK:
1878 case WM_WINE_MOUSE_LL_HOOK:
1879 {
1880 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1881
1882 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1883 }
1884 case WM_WINE_CLIPCURSOR:
1885 if (wparam)
1886 {
1887 RECT rect;
1888 GetClipCursor( &rect );
1889 return USER_Driver->pClipCursor( &rect );
1890 }
1891 return USER_Driver->pClipCursor( NULL );
1892 default:
1893 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1894 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1895 FIXME( "unknown internal message %x\n", msg );
1896 return 0;
1897 }
1898 }
1899
1900 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1901 * to the memory handle, we keep track (in the server side) of all pairs of handle
1902 * used (the client passes its value and the content of the memory handle), and
1903 * the server stored both values (the client, and the local one, created after the
1904 * content). When a ACK message is generated, the list of pair is searched for a
1905 * matching pair, so that the client memory handle can be returned.
1906 */
1907 struct DDE_pair {
1908 HGLOBAL client_hMem;
1909 HGLOBAL server_hMem;
1910 };
1911
1912 static struct DDE_pair* dde_pairs;
1913 static int dde_num_alloc;
1914 static int dde_num_used;
1915
1916 static CRITICAL_SECTION dde_crst;
1917 static CRITICAL_SECTION_DEBUG critsect_debug =
1918 {
1919 0, 0, &dde_crst,
1920 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1921 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1922 };
1923 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1924
1925 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1926 {
1927 int i;
1928 #define GROWBY 4
1929
1930 EnterCriticalSection(&dde_crst);
1931
1932 /* now remember the pair of hMem on both sides */
1933 if (dde_num_used == dde_num_alloc)
1934 {
1935 struct DDE_pair* tmp;
1936 if (dde_pairs)
1937 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1938 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1939 else
1940 tmp = HeapAlloc( GetProcessHeap(), 0,
1941 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1942
1943 if (!tmp)
1944 {
1945 LeaveCriticalSection(&dde_crst);
1946 return FALSE;
1947 }
1948 dde_pairs = tmp;
1949 /* zero out newly allocated part */
1950 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1951 dde_num_alloc += GROWBY;
1952 }
1953 #undef GROWBY
1954 for (i = 0; i < dde_num_alloc; i++)
1955 {
1956 if (dde_pairs[i].server_hMem == 0)
1957 {
1958 dde_pairs[i].client_hMem = chm;
1959 dde_pairs[i].server_hMem = shm;
1960 dde_num_used++;
1961 break;
1962 }
1963 }
1964 LeaveCriticalSection(&dde_crst);
1965 return TRUE;
1966 }
1967
1968 static HGLOBAL dde_get_pair(HGLOBAL shm)
1969 {
1970 int i;
1971 HGLOBAL ret = 0;
1972
1973 EnterCriticalSection(&dde_crst);
1974 for (i = 0; i < dde_num_alloc; i++)
1975 {
1976 if (dde_pairs[i].server_hMem == shm)
1977 {
1978 /* free this pair */
1979 dde_pairs[i].server_hMem = 0;
1980 dde_num_used--;
1981 ret = dde_pairs[i].client_hMem;
1982 break;
1983 }
1984 }
1985 LeaveCriticalSection(&dde_crst);
1986 return ret;
1987 }
1988
1989 /***********************************************************************
1990 * post_dde_message
1991 *
1992 * Post a DDE message
1993 */
1994 static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
1995 {
1996 void* ptr = NULL;
1997 int size = 0;
1998 UINT_PTR uiLo, uiHi;
1999 LPARAM lp;
2000 HGLOBAL hunlock = 0;
2001 int i;
2002 DWORD res;
2003 ULONGLONG hpack;
2004
2005 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
2006 return FALSE;
2007
2008 lp = info->lparam;
2009 switch (info->msg)
2010 {
2011 /* DDE messages which don't require packing are:
2012 * WM_DDE_INITIATE
2013 * WM_DDE_TERMINATE
2014 * WM_DDE_REQUEST
2015 * WM_DDE_UNADVISE
2016 */
2017 case WM_DDE_ACK:
2018 if (HIWORD(uiHi))
2019 {
2020 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
2021 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
2022 if (h)
2023 {
2024 hpack = pack_ptr( h );
2025 /* send back the value of h on the other side */
2026 push_data( data, &hpack, sizeof(hpack) );
2027 lp = uiLo;
2028 TRACE( "send dde-ack %lx %08lx => %p\n", uiLo, uiHi, h );
2029 }
2030 }
2031 else
2032 {
2033 /* uiHi should contain either an atom or 0 */
2034 TRACE( "send dde-ack %lx atom=%lx\n", uiLo, uiHi );
2035 lp = MAKELONG( uiLo, uiHi );
2036 }
2037 break;
2038 case WM_DDE_ADVISE:
2039 case WM_DDE_DATA:
2040 case WM_DDE_POKE:
2041 size = 0;
2042 if (uiLo)
2043 {
2044 size = GlobalSize( (HGLOBAL)uiLo ) ;
2045 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
2046 (info->msg == WM_DDE_DATA && size < FIELD_OFFSET(DDEDATA, Value)) ||
2047 (info->msg == WM_DDE_POKE && size < FIELD_OFFSET(DDEPOKE, Value))
2048 )
2049 return FALSE;
2050 }
2051 else if (info->msg != WM_DDE_DATA) return FALSE;
2052
2053 lp = uiHi;
2054 if (uiLo)
2055 {
2056 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
2057 {
2058 DDEDATA *dde_data = ptr;
2059 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
2060 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
2061 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
2062 push_data( data, ptr, size );
2063 hunlock = (HGLOBAL)uiLo;
2064 }
2065 }
2066 TRACE( "send ddepack %u %lx\n", size, uiHi );
2067 break;
2068 case WM_DDE_EXECUTE:
2069 if (info->lparam)
2070 {
2071 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
2072 {
2073 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
2074 /* so that the other side can send it back on ACK */
2075 lp = info->lparam;
2076 hunlock = (HGLOBAL)info->lparam;
2077 }
2078 }
2079 break;
2080 }
2081 SERVER_START_REQ( send_message )
2082 {
2083 req->id = info->dest_tid;
2084 req->type = info->type;
2085 req->flags = 0;
2086 req->win = wine_server_user_handle( info->hwnd );
2087 req->msg = info->msg;
2088 req->wparam = info->wparam;
2089 req->lparam = lp;
2090 req->timeout = TIMEOUT_INFINITE;
2091 for (i = 0; i < data->count; i++)
2092 wine_server_add_data( req, data->data[i], data->size[i] );
2093 if ((res = wine_server_call( req )))
2094 {
2095 if (res == STATUS_INVALID_PARAMETER)
2096 /* FIXME: find a STATUS_ value for this one */
2097 SetLastError( ERROR_INVALID_THREAD_ID );
2098 else
2099 SetLastError( RtlNtStatusToDosError(res) );
2100 }
2101 else
2102 FreeDDElParam(info->msg, info->lparam);
2103 }
2104 SERVER_END_REQ;
2105 if (hunlock) GlobalUnlock(hunlock);
2106
2107 return !res;
2108 }
2109
2110 /***********************************************************************
2111 * unpack_dde_message
2112 *
2113 * Unpack a posted DDE message received from another process.
2114 */
2115 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
2116 void **buffer, size_t size )
2117 {
2118 UINT_PTR uiLo, uiHi;
2119 HGLOBAL hMem = 0;
2120 void* ptr;
2121
2122 switch (message)
2123 {
2124 case WM_DDE_ACK:
2125 if (size)
2126 {
2127 ULONGLONG hpack;
2128 /* hMem is being passed */
2129 if (size != sizeof(hpack)) return FALSE;
2130 if (!buffer || !*buffer) return FALSE;
2131 uiLo = *lparam;
2132 memcpy( &hpack, *buffer, size );
2133 hMem = unpack_ptr( hpack );
2134 uiHi = (UINT_PTR)hMem;
2135 TRACE("recv dde-ack %lx mem=%lx[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
2136 }
2137 else
2138 {
2139 uiLo = LOWORD( *lparam );
2140 uiHi = HIWORD( *lparam );
2141 TRACE("recv dde-ack %lx atom=%lx\n", uiLo, uiHi);
2142 }
2143 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
2144 break;
2145 case WM_DDE_ADVISE:
2146 case WM_DDE_DATA:
2147 case WM_DDE_POKE:
2148 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
2149 uiHi = *lparam;
2150 if (size)
2151 {
2152 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
2153 return FALSE;
2154 if ((ptr = GlobalLock( hMem )))
2155 {
2156 memcpy( ptr, *buffer, size );
2157 GlobalUnlock( hMem );
2158 }
2159 else
2160 {
2161 GlobalFree( hMem );
2162 return FALSE;
2163 }
2164 }
2165 uiLo = (UINT_PTR)hMem;
2166
2167 *lparam = PackDDElParam( message, uiLo, uiHi );
2168 break;
2169 case WM_DDE_EXECUTE:
2170 if (size)
2171 {
2172 if (!buffer || !*buffer) return FALSE;
2173 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
2174 if ((ptr = GlobalLock( hMem )))
2175 {
2176 memcpy( ptr, *buffer, size );
2177 GlobalUnlock( hMem );
2178 TRACE( "exec: pairing c=%08lx s=%p\n", *lparam, hMem );
2179 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
2180 {
2181 GlobalFree( hMem );
2182 return FALSE;
2183 }
2184 }
2185 else
2186 {
2187 GlobalFree( hMem );
2188 return FALSE;
2189 }
2190 } else return FALSE;
2191 *lparam = (LPARAM)hMem;
2192 break;
2193 }
2194 return TRUE;
2195 }
2196
2197 /***********************************************************************
2198 * call_window_proc
2199 *
2200 * Call a window procedure and the corresponding hooks.
2201 */
2202 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2203 BOOL unicode, BOOL same_thread, enum wm_char_mapping mapping )
2204 {
2205 LRESULT result = 0;
2206 CWPSTRUCT cwp;
2207 CWPRETSTRUCT cwpret;
2208
2209 if (msg & 0x80000000)
2210 {
2211 result = handle_internal_message( hwnd, msg, wparam, lparam );
2212 goto done;
2213 }
2214
2215 /* first the WH_CALLWNDPROC hook */
2216 hwnd = WIN_GetFullHandle( hwnd );
2217 cwp.lParam = lparam;
2218 cwp.wParam = wparam;
2219 cwp.message = msg;
2220 cwp.hwnd = hwnd;
2221 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
2222
2223 /* now call the window procedure */
2224 if (!WINPROC_call_window( hwnd, msg, wparam, lparam, &result, unicode, mapping )) goto done;
2225
2226 /* and finally the WH_CALLWNDPROCRET hook */
2227 cwpret.lResult = result;
2228 cwpret.lParam = lparam;
2229 cwpret.wParam = wparam;
2230 cwpret.message = msg;
2231 cwpret.hwnd = hwnd;
2232 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
2233 done:
2234 return result;
2235 }
2236
2237
2238 /***********************************************************************
2239 * send_parent_notify
2240 *
2241 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
2242 * the window has the WS_EX_NOPARENTNOTIFY style.
2243 */
2244 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
2245 {
2246 /* pt has to be in the client coordinates of the parent window */
2247 MapWindowPoints( 0, hwnd, &pt, 1 );
2248 for (;;)
2249 {
2250 HWND parent;
2251
2252 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
2253 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
2254 if (!(parent = GetParent(hwnd))) break;
2255 if (parent == GetDesktopWindow()) break;
2256 MapWindowPoints( hwnd, parent, &pt, 1 );
2257 hwnd = parent;
2258 SendMessageW( hwnd, WM_PARENTNOTIFY,
2259 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
2260 }
2261 }
2262
2263
2264 /***********************************************************************
2265 * accept_hardware_message
2266 *
2267 * Tell the server we have passed the message to the app
2268 * (even though we may end up dropping it later on)
2269 */
2270 static void accept_hardware_message( UINT hw_id, BOOL remove )
2271 {
2272 SERVER_START_REQ( accept_hardware_message )
2273 {
2274 req->hw_id = hw_id;
2275 req->remove = remove;
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 );
2464 return FALSE;
2465 }
2466 accept_hardware_message( hw_id, remove );
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 MOUSEHOOKSTRUCTEX 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 );
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.s.pt = msg->pt;
2588 hook.s.hwnd = msg->hwnd;
2589 hook.s.wHitTestCode = hittest;
2590 hook.s.dwExtraInfo = extra_info;
2591 hook.mouseData = msg->wParam;
2592 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
2593 message, (LPARAM)&hook, TRUE ))
2594 {
2595 hook.s.pt = msg->pt;
2596 hook.s.hwnd = msg->hwnd;
2597 hook.s.wHitTestCode = hittest;
2598 hook.s.dwExtraInfo = extra_info;
2599 hook.mouseData = msg->wParam;
2600 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
2601 accept_hardware_message( hw_id, TRUE );
2602 return FALSE;
2603 }
2604
2605 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
2606 {
2607 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
2608 MAKELONG( hittest, msg->message ));
2609 accept_hardware_message( hw_id, TRUE );
2610 return FALSE;
2611 }
2612
2613 accept_hardware_message( hw_id, remove );
2614
2615 if (!remove || info.hwndCapture)
2616 {
2617 msg->message = message;
2618 return TRUE;
2619 }
2620
2621 eatMsg = FALSE;
2622
2623 if ((msg->message == WM_LBUTTONDOWN) ||
2624 (msg->message == WM_RBUTTONDOWN) ||
2625 (msg->message == WM_MBUTTONDOWN) ||
2626 (msg->message == WM_XBUTTONDOWN))
2627 {
2628 /* Send the WM_PARENTNOTIFY,
2629 * note that even for double/nonclient clicks
2630 * notification message is still WM_L/M/RBUTTONDOWN.
2631 */
2632 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
2633
2634 /* Activate the window if needed */
2635
2636 if (msg->hwnd != info.hwndActive)
2637 {
2638 HWND hwndTop = msg->hwnd;
2639 while (hwndTop)
2640 {
2641 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
2642 hwndTop = GetParent( hwndTop );
2643 }
2644
2645 if (hwndTop && hwndTop != GetDesktopWindow())
2646 {
2647 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
2648 MAKELONG( hittest, msg->message ) );
2649 switch(ret)
2650 {
2651 case MA_NOACTIVATEANDEAT:
2652 eatMsg = TRUE;
2653 /* fall through */
2654 case MA_NOACTIVATE:
2655 break;
2656 case MA_ACTIVATEANDEAT:
2657 eatMsg = TRUE;
2658 /* fall through */
2659 case MA_ACTIVATE:
2660 case 0:
2661 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
2662 break;
2663 default:
2664 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
2665 break;
2666 }
2667 }
2668 }
2669 }
2670
2671 /* send the WM_SETCURSOR message */
2672
2673 /* Windows sends the normal mouse message as the message parameter
2674 in the WM_SETCURSOR message even if it's non-client mouse message */
2675 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
2676
2677 msg->message = message;
2678 return !eatMsg;
2679 }
2680
2681
2682 /***********************************************************************
2683 * process_hardware_message
2684 *
2685 * Process a hardware message; return TRUE if message should be passed on to the app
2686 */
2687 static BOOL process_hardware_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data,
2688 HWND hwnd_filter, UINT first, UINT last, BOOL remove )
2689 {
2690 if (msg->message == WM_INPUT)
2691 return process_rawinput_message( msg, msg_data );
2692
2693 if (is_keyboard_message( msg->message ))
2694 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
2695
2696 if (is_mouse_message( msg->message ))
2697 return process_mouse_message( msg, hw_id, msg_data->info, hwnd_filter, first, last, remove );
2698
2699 ERR( "unknown message type %x\n", msg->message );
2700 return FALSE;
2701 }
2702
2703
2704 /***********************************************************************
2705 * call_sendmsg_callback
2706 *
2707 * Call the callback function of SendMessageCallback.
2708 */
2709 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
2710 ULONG_PTR data, LRESULT result )
2711 {
2712 if (!callback) return;
2713
2714 if (TRACE_ON(relay))
2715 DPRINTF( "%04x:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2716 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2717 data, result );
2718 callback( hwnd, msg, data, result );
2719 if (TRACE_ON(relay))
2720 DPRINTF( "%04x:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2721 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2722 data, result );
2723 }
2724
2725
2726 /***********************************************************************
2727 * peek_message
2728 *
2729 * Peek for a message matching the given parameters. Return FALSE if none available.
2730 * All pending sent messages are processed before returning.
2731 */
2732 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags, UINT changed_mask )
2733 {
2734 LRESULT result;
2735 struct user_thread_info *thread_info = get_user_thread_info();
2736 struct received_message_info info, *old_info;
2737 unsigned int hw_id = 0; /* id of previous hardware message */
2738 void *buffer;
2739 size_t buffer_size = 256;
2740
2741 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2742
2743 if (!first && !last) last = ~0;
2744 if (hwnd == HWND_BROADCAST) hwnd = HWND_TOPMOST;
2745
2746 for (;;)
2747 {
2748 NTSTATUS res;
2749 size_t size = 0;
2750 const message_data_t *msg_data = buffer;
2751
2752 SERVER_START_REQ( get_message )
2753 {
2754 req->flags = flags;
2755 req->get_win = wine_server_user_handle( hwnd );
2756 req->get_first = first;
2757 req->get_last = last;
2758 req->hw_id = hw_id;
2759 req->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
2760 req->changed_mask = changed_mask;
2761 wine_server_set_reply( req, buffer, buffer_size );
2762 if (!(res = wine_server_call( req )))
2763 {
2764 size = wine_server_reply_size( reply );
2765 info.type = reply->type;
2766 info.msg.hwnd = wine_server_ptr_handle( reply->win );
2767 info.msg.message = reply->msg;
2768 info.msg.wParam = reply->wparam;
2769 info.msg.lParam = reply->lparam;
2770 info.msg.time = reply->time;
2771 info.msg.pt.x = reply->x;
2772 info.msg.pt.y = reply->y;
2773 hw_id = 0;
2774 thread_info->active_hooks = reply->active_hooks;
2775 }
2776 else buffer_size = reply->total;
2777 }
2778 SERVER_END_REQ;
2779
2780 if (res)
2781 {
2782 HeapFree( GetProcessHeap(), 0, buffer );
2783 if (res == STATUS_PENDING)
2784 {
2785 thread_info->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
2786 thread_info->changed_mask = changed_mask;
2787 }
2788 if (res != STATUS_BUFFER_OVERFLOW) return FALSE;
2789 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2790 continue;
2791 }
2792
2793 TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
2794 info.type, info.msg.message,
2795 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2796 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
2797
2798 switch(info.type)
2799 {
2800 case MSG_ASCII:
2801 case MSG_UNICODE:
2802 info.flags = ISMEX_SEND;
2803 break;
2804 case MSG_NOTIFY:
2805 info.flags = ISMEX_NOTIFY;
2806 break;
2807 case MSG_CALLBACK:
2808 info.flags = ISMEX_CALLBACK;
2809 break;
2810 case MSG_CALLBACK_RESULT:
2811 if (size >= sizeof(msg_data->callback))
2812 call_sendmsg_callback( wine_server_get_ptr(msg_data->callback.callback),
2813 info.msg.hwnd, info.msg.message,
2814 msg_data->callback.data, msg_data->callback.result );
2815 continue;
2816 case MSG_WINEVENT:
2817 if (size >= sizeof(msg_data->winevent))
2818 {
2819 WINEVENTPROC hook_proc;
2820 HMODULE free_module = 0;
2821
2822 hook_proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
2823 size -= sizeof(msg_data->winevent);
2824 if (size)
2825 {
2826 WCHAR module[MAX_PATH];
2827
2828 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
2829 memcpy( module, &msg_data->winevent + 1, size );
2830 module[size / sizeof(WCHAR)] = 0;
2831 if (!(hook_proc = get_hook_proc( hook_proc, module, &free_module )))
2832 {
2833 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2834 continue;
2835 }
2836 }
2837
2838 if (TRACE_ON(relay))
2839 DPRINTF( "%04x:Call winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2840 GetCurrentThreadId(), hook_proc,
2841 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2842 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2843
2844 hook_proc( wine_server_ptr_handle( msg_data->winevent.hook ), info.msg.message,
2845 info.msg.hwnd, info.msg.wParam, info.msg.lParam,
2846 msg_data->winevent.tid, info.msg.time );
2847
2848 if (TRACE_ON(relay))
2849 DPRINTF( "%04x:Ret winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2850 GetCurrentThreadId(), hook_proc,
2851 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2852 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2853
2854 if (free_module) FreeLibrary(free_module);
2855 }
2856 continue;
2857 case MSG_HOOK_LL:
2858 info.flags = ISMEX_SEND;
2859 result = 0;
2860 if (info.msg.message == WH_KEYBOARD_LL && size >= sizeof(msg_data->hardware))
2861 {
2862 KBDLLHOOKSTRUCT hook;
2863
2864 hook.vkCode = LOWORD( info.msg.lParam );
2865 hook.scanCode = HIWORD( info.msg.lParam );
2866 hook.flags = msg_data->hardware.flags;
2867 hook.time = info.msg.time;
2868 hook.dwExtraInfo = msg_data->hardware.info;
2869 TRACE( "calling keyboard LL hook vk %x scan %x flags %x time %u info %lx\n",
2870 hook.vkCode, hook.scanCode, hook.flags, hook.time, hook.dwExtraInfo );
2871 result = HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
2872 }
2873 else if (info.msg.message == WH_MOUSE_LL && size >= sizeof(msg_data->hardware))
2874 {
2875 MSLLHOOKSTRUCT hook;
2876
2877 hook.pt = info.msg.pt;
2878 hook.mouseData = info.msg.lParam;
2879 hook.flags = msg_data->hardware.flags;
2880 hook.time = info.msg.time;
2881 hook.dwExtraInfo = msg_data->hardware.info;
2882 TRACE( "calling mouse LL hook pos %d,%d data %x flags %x time %u info %lx\n",
2883 hook.pt.x, hook.pt.y, hook.mouseData, hook.flags, hook.time, hook.dwExtraInfo );
2884 result = HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
2885 }
2886 reply_message( &info, result, TRUE );
2887 continue;
2888 case MSG_OTHER_PROCESS:
2889 info.flags = ISMEX_SEND;
2890 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2891 &info.msg.lParam, &buffer, size ))
2892 {
2893 /* ignore it */
2894 reply_message( &info, 0, TRUE );
2895 continue;
2896 }
2897 break;
2898 case MSG_HARDWARE:
2899 if (size >= sizeof(msg_data->hardware))
2900 {
2901 hw_id = msg_data->hardware.hw_id;
2902 if (!process_hardware_message( &info.msg, hw_id, &msg_data->hardware,
2903 hwnd, first, last, flags & PM_REMOVE ))
2904 {
2905 TRACE("dropping msg %x\n", info.msg.message );
2906 continue; /* ignore it */
2907 }
2908 *msg = info.msg;
2909 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2910 thread_info->GetMessageTimeVal = info.msg.time;
2911 thread_info->GetMessageExtraInfoVal = msg_data->hardware.info;
2912 HeapFree( GetProcessHeap(), 0, buffer );
2913 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2914 return TRUE;
2915 }
2916 continue;
2917 case MSG_POSTED:
2918 if (info.msg.message & 0x80000000) /* internal message */
2919 {
2920 if (flags & PM_REMOVE)
2921 {
2922 handle_internal_message( info.msg.hwnd, info.msg.message,
2923 info.msg.wParam, info.msg.lParam );
2924 /* if this is a nested call return right away */
2925 if (first == info.msg.message && last == info.msg.message)
2926 {
2927 HeapFree( GetProcessHeap(), 0, buffer );
2928 return FALSE;
2929 }
2930 }
2931 else
2932 peek_message( msg, info.msg.hwnd, info.msg.message,
2933 info.msg.message, flags | PM_REMOVE, changed_mask );
2934 continue;
2935 }
2936 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2937 {
2938 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2939 &info.msg.lParam, &buffer, size ))
2940 continue; /* ignore it */
2941 }
2942 *msg = info.msg;
2943 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2944 thread_info->GetMessageTimeVal = info.msg.time;
2945 thread_info->GetMessageExtraInfoVal = 0;
2946 HeapFree( GetProcessHeap(), 0, buffer );
2947 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2948 return TRUE;
2949 }
2950
2951 /* if we get here, we have a sent message; call the window procedure */
2952 old_info = thread_info->receive_info;
2953 thread_info->receive_info = &info;
2954 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2955 info.msg.lParam, (info.type != MSG_ASCII), FALSE,
2956 WMCHAR_MAP_RECVMESSAGE );
2957 reply_message( &info, result, TRUE );
2958 thread_info->receive_info = old_info;
2959
2960 /* if some PM_QS* flags were specified, only handle sent messages from now on */
2961 if (HIWORD(flags) && !changed_mask) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
2962 }
2963 }
2964
2965
2966 /***********************************************************************
2967 * process_sent_messages
2968 *
2969 * Process all pending sent messages.
2970 */
2971 static inline void process_sent_messages(void)
2972 {
2973 MSG msg;
2974 peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, 0 );
2975 }
2976
2977
2978 /***********************************************************************
2979 * get_server_queue_handle
2980 *
2981 * Get a handle to the server message queue for the current thread.
2982 */
2983 static HANDLE get_server_queue_handle(void)
2984 {
2985 struct user_thread_info *thread_info = get_user_thread_info();
2986 HANDLE ret;
2987
2988 if (!(ret = thread_info->server_queue))
2989 {
2990 SERVER_START_REQ( get_msg_queue )
2991 {
2992 wine_server_call( req );
2993 ret = wine_server_ptr_handle( reply->handle );
2994 }
2995 SERVER_END_REQ;
2996 thread_info->server_queue = ret;
2997 if (!ret) ERR( "Cannot get server thread queue\n" );
2998 }
2999 return ret;
3000 }
3001
3002
3003 /***********************************************************************
3004 * wait_message_reply
3005 *
3006 * Wait until a sent message gets replied to.
3007 */
3008 static void wait_message_reply( UINT flags )
3009 {
3010 struct user_thread_info *thread_info = get_user_thread_info();
3011 HANDLE server_queue = get_server_queue_handle();
3012 unsigned int wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
3013
3014 for (;;)
3015 {
3016 unsigned int wake_bits = 0;
3017
3018 SERVER_START_REQ( set_queue_mask )
3019 {
3020 req->wake_mask = wake_mask;
3021 req->changed_mask = wake_mask;
3022 req->skip_wait = 1;
3023 if (!wine_server_call( req )) wake_bits = reply->wake_bits & wake_mask;
3024 }
3025 SERVER_END_REQ;
3026
3027 thread_info->wake_mask = thread_info->changed_mask = 0;
3028
3029 if (wake_bits & QS_SMRESULT) return; /* got a result */
3030 if (wake_bits & QS_SENDMESSAGE)
3031 {
3032 /* Process the sent message immediately */
3033 process_sent_messages();
3034 continue;
3035 }
3036
3037 wow_handlers.wait_message( 1, &server_queue, INFINITE, wake_mask, 0 );
3038 }
3039 }
3040
3041
3042 /***********************************************************************
3043 * wait_objects
3044 *
3045 * Wait for multiple objects including the server queue, with specific queue masks.
3046 */
3047 static DWORD wait_objects( DWORD count, const HANDLE *handles, DWORD timeout,
3048 DWORD wake_mask, DWORD changed_mask, DWORD flags )
3049 {
3050 struct user_thread_info *thread_info = get_user_thread_info();
3051 DWORD ret;
3052
3053 assert( count ); /* we must have at least the server queue */
3054
3055 flush_window_surfaces( TRUE );
3056
3057 if (thread_info->wake_mask != wake_mask || thread_info->changed_mask != changed_mask)
3058 {
3059 SERVER_START_REQ( set_queue_mask )
3060 {
3061 req->wake_mask = wake_mask;
3062 req->changed_mask = changed_mask;
3063 req->skip_wait = 0;
3064 wine_server_call( req );
3065 }
3066 SERVER_END_REQ;
3067 thread_info->wake_mask = wake_mask;
3068 thread_info->changed_mask = changed_mask;
3069 }
3070
3071 ret = wow_handlers.wait_message( count, handles, timeout, changed_mask, flags );
3072
3073 if (ret != WAIT_TIMEOUT) thread_info->wake_mask = thread_info->changed_mask = 0;
3074 return ret;
3075 }
3076
3077
3078 /***********************************************************************
3079 * put_message_in_queue
3080 *
3081 * Put a sent message into the destination queue.
3082 * For inter-process message, reply_size is set to expected size of reply data.
3083 */
3084 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
3085 {
3086 struct packed_message data;
3087 message_data_t msg_data;
3088 unsigned int res;
3089 int i;
3090 timeout_t timeout = TIMEOUT_INFINITE;
3091
3092 /* Check for INFINITE timeout for compatibility with Win9x,
3093 * although Windows >= NT does not do so
3094 */
3095 if (info->type != MSG_NOTIFY &&
3096 info->type != MSG_CALLBACK &&
3097 info->type != MSG_POSTED &&
3098 info->timeout &&
3099 info->timeout != INFINITE)
3100 {
3101 /* timeout is signed despite the prototype */
3102 timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
3103 }
3104
3105 memset( &data, 0, sizeof(data) );
3106 if (info->type == MSG_OTHER_PROCESS)
3107 {
3108 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
3109 if (data.count == -1)
3110 {
3111 WARN( "cannot pack message %x\n", info->msg );
3112 return FALSE;
3113 }
3114 }
3115 else if (info->type == MSG_CALLBACK)
3116 {
3117 msg_data.callback.callback = wine_server_client_ptr( info->callback );
3118 msg_data.callback.data = info->data;
3119 msg_data.callback.result = 0;
3120 data.data[0] = &msg_data;
3121 data.size[0] = sizeof(msg_data.callback);
3122 data.count = 1;
3123 }
3124 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
3125 {
3126 return post_dde_message( &data, info );
3127 }
3128
3129 SERVER_START_REQ( send_message )
3130 {
3131 req->id = info->dest_tid;
3132 req->type = info->type;
3133 req->flags = 0;
3134 req->win = wine_server_user_handle( info->hwnd );
3135 req->msg = info->msg;
3136 req->wparam = info->wparam;
3137 req->lparam = info->lparam;
3138 req->timeout = timeout;
3139
3140 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
3141 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
3142 if ((res = wine_server_call( req )))
3143 {
3144 if (res == STATUS_INVALID_PARAMETER)
3145 /* FIXME: find a STATUS_ value for this one */
3146 SetLastError( ERROR_INVALID_THREAD_ID );
3147 else
3148 SetLastError( RtlNtStatusToDosError(res) );
3149 }
3150 }
3151 SERVER_END_REQ;
3152 return !res;
3153 }
3154
3155
3156 /***********************************************************************
3157 * retrieve_reply
3158 *
3159 * Retrieve a message reply from the server.
3160 */
3161 static LRESULT retrieve_reply( const struct send_message_info *info,
3162 size_t reply_size, LRESULT *result )
3163 {
3164 NTSTATUS status;
3165 void *reply_data = NULL;
3166
3167 if (reply_size)
3168 {
3169 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
3170 {
3171 WARN( "no memory for reply, will be truncated\n" );
3172 reply_size = 0;
3173 }
3174 }
3175 SERVER_START_REQ( get_message_reply )
3176 {
3177 req->cancel = 1;
3178 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
3179 if (!(status = wine_server_call( req ))) *result = reply->result;
3180 reply_size = wine_server_reply_size( reply );
3181 }
3182 SERVER_END_REQ;
3183 if (!status && reply_size)
3184 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
3185
3186 HeapFree( GetProcessHeap(), 0, reply_data );
3187
3188 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
3189 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
3190 info->lparam, *result, status );
3191
3192 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
3193 if (status) SetLastError( RtlNtStatusToDosError(status) );
3194 return !status;
3195 }
3196
3197
3198 /***********************************************************************
3199 * send_inter_thread_message
3200 */
3201 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
3202 {
3203 size_t reply_size = 0;
3204
3205 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3206 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
3207
3208 USER_CheckNotLock();
3209
3210 if (!put_message_in_queue( info, &reply_size )) return 0;
3211
3212 /* there's no reply to wait for on notify/callback messages */
3213 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
3214
3215 wait_message_reply( info->flags );
3216 return retrieve_reply( info, reply_size, res_ptr );
3217 }
3218
3219
3220 /***********************************************************************
3221 * send_inter_thread_callback
3222 */
3223 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
3224 LRESULT *result, void *arg )
3225 {
3226 struct send_message_info *info = arg;
3227 info->hwnd = hwnd;
3228 info->msg = msg;
3229 info->wparam = wp;
3230 info->lparam = lp;
3231 return send_inter_thread_message( info, result );
3232 }
3233
3234
3235 /***********************************************************************
3236 * send_message
3237 *
3238 * Backend implementation of the various SendMessage functions.
3239 */
3240 static BOOL send_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL unicode )
3241 {
3242 DWORD dest_pid;
3243 BOOL ret;
3244 LRESULT result;
3245
3246 if (is_broadcast(info->hwnd))
3247 {
3248 EnumWindows( broadcast_message_callback, (LPARAM)info );
3249 if (res_ptr) *res_ptr = 1;
3250 return TRUE;
3251 }
3252
3253 if (!(info->dest_tid = GetWindowThreadProcessId( info->hwnd, &dest_pid ))) return FALSE;
3254
3255 if (USER_IsExitingThread( info->dest_tid )) return FALSE;
3256
3257 SPY_EnterMessage( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
3258
3259 if (info->dest_tid == GetCurrentThreadId())
3260 {
3261 result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
3262 unicode, TRUE, info->wm_char );
3263 if (info->type == MSG_CALLBACK)
3264 call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
3265 ret = TRUE;
3266 }
3267 else
3268 {
3269 if (dest_pid != GetCurrentProcessId() && (info->type == MSG_ASCII || info->type == MSG_UNICODE))
3270 info->type = MSG_OTHER_PROCESS;
3271
3272 /* MSG_ASCII can be sent unconverted except for WM_CHAR; everything else needs to be Unicode */
3273 if (!unicode && is_unicode_message( info->msg ) &&
3274 (info->type != MSG_ASCII || info->msg == WM_CHAR))
3275 ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info->hwnd, info->msg,
3276 info->wparam, info->lparam, &result, info, info->wm_char );
3277 else
3278 ret = send_inter_thread_message( info, &result );
3279 }
3280
3281 SPY_ExitMessage( SPY_RESULT_OK, info->hwnd, info->msg, result, info->wparam, info->lparam );
3282 if (ret && res_ptr) *res_ptr = result;
3283 return ret;
3284 }
3285
3286
3287 /***********************************************************************
3288 * send_hardware_message
3289 */
3290 NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, UINT flags )
3291 {
3292 struct user_key_state_info *key_state_info = get_user_thread_info()->key_state;
3293 struct send_message_info info;
3294 int prev_x, prev_y, new_x, new_y;
3295 INT counter = global_key_state_counter;
3296 NTSTATUS ret;
3297 BOOL wait;
3298
3299 info.type = MSG_HARDWARE;
3300 info.dest_tid = 0;
3301 info.hwnd = hwnd;
3302 info.flags = 0;
3303 info.timeout = 0;
3304
3305 SERVER_START_REQ( send_hardware_message )
3306 {
3307 req->win = wine_server_user_handle( hwnd );
3308 req->flags = flags;
3309 req->input.type = input->type;
3310 switch (input->type)
3311 {
3312 case INPUT_MOUSE:
3313 req->input.mouse.x = input->u.mi.dx;
3314 req->input.mouse.y = input->u.mi.dy;
3315 req->input.mouse.data = input->u.mi.mouseData;
3316 req->input.mouse.flags = input->u.mi.dwFlags;
3317 req->input.mouse.time = input->u.mi.time;
3318 req->input.mouse.info = input->u.mi.dwExtraInfo;
3319 break;
3320 case INPUT_KEYBOARD:
3321 req->input.kbd.vkey = input->u.ki.wVk;
3322 req->input.kbd.scan = input->u.ki.wScan;
3323 req->input.kbd.flags = input->u.ki.dwFlags;
3324 req->input.kbd.time = input->u.ki.time;
3325 req->input.kbd.info = input->u.ki.dwExtraInfo;
3326 break;
3327 case INPUT_HARDWARE:
3328 req->input.hw.msg = input->u.hi.uMsg;
3329 req->input.hw.lparam = MAKELONG( input->u.hi.wParamL, input->u.hi.wParamH );
3330 break;
3331 }
3332 if (key_state_info) wine_server_set_reply( req, key_state_info->state,
3333 sizeof(key_state_info->state) );
3334 ret = wine_server_call( req );
3335 wait = reply->wait;
3336 prev_x = reply->prev_x;
3337 prev_y = reply->prev_y;
3338 new_x = reply->new_x;
3339 new_y = reply->new_y;
3340 }
3341 SERVER_END_REQ;
3342
3343 if (!ret)
3344 {
3345 if (key_state_info)
3346 {
3347 key_state_info->time = GetTickCount();
3348 key_state_info->counter = counter;
3349 }
3350 if ((flags & SEND_HWMSG_INJECTED) && (prev_x != new_x || prev_y != new_y))
3351 USER_Driver->pSetCursorPos( new_x, new_y );
3352 }
3353
3354 if (wait)
3355 {
3356 LRESULT ignored;
3357 wait_message_reply( 0 );
3358 retrieve_reply( &info, 0, &ignored );
3359 }
3360 return ret;
3361 }
3362
3363
3364 /***********************************************************************
3365 * MSG_SendInternalMessageTimeout
3366 *
3367 * Same as SendMessageTimeoutW but sends the message to a specific thread
3368 * without requiring a window handle. Only works for internal Wine messages.
3369 */
3370 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
3371 UINT msg, WPARAM wparam, LPARAM lparam,
3372 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3373 {
3374 struct send_message_info info;
3375 LRESULT ret, result;
3376
3377 assert( msg & 0x80000000 ); /* must be an internal Wine message */
3378
3379 info.type = MSG_UNICODE;
3380 info.dest_tid = dest_tid;
3381 info.hwnd = 0;
3382 info.msg = msg;
3383 info.wparam = wparam;
3384 info.lparam = lparam;
3385 info.flags = flags;
3386 info.timeout = timeout;
3387
3388 if (USER_IsExitingThread( dest_tid )) return 0;
3389
3390 if (dest_tid == GetCurrentThreadId())
3391 {
3392 result = handle_internal_message( 0, msg, wparam, lparam );
3393 ret = 1;
3394 }
3395 else
3396 {
3397 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
3398 ret = send_inter_thread_message( &info, &result );
3399 }
3400 if (ret && res_ptr) *res_ptr = result;
3401 return ret;
3402 }
3403
3404
3405 /***********************************************************************
3406 * SendMessageTimeoutW (USER32.@)
3407 */
3408 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3409 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3410 {
3411 struct send_message_info info;
3412
3413 info.type = MSG_UNICODE;
3414 info.hwnd = hwnd;
3415 info.msg = msg;
3416 info.wparam = wparam;
3417 info.lparam = lparam;
3418 info.flags = flags;
3419 info.timeout = timeout;
3420
3421 return send_message( &info, res_ptr, TRUE );
3422 }
3423
3424 /***********************************************************************
3425 * SendMessageTimeoutA (USER32.@)
3426 */
3427 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3428 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3429 {
3430 struct send_message_info info;
3431
3432 info.type = MSG_ASCII;
3433 info.hwnd = hwnd;
3434 info.msg = msg;
3435 info.wparam = wparam;
3436 info.lparam = lparam;
3437 info.flags = flags;
3438 info.timeout = timeout;
3439 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3440
3441 return send_message( &info, res_ptr, FALSE );
3442 }
3443
3444
3445 /***********************************************************************
3446 * SendMessageW (USER32.@)
3447 */
3448 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3449 {
3450 DWORD_PTR res = 0;
3451 struct send_message_info info;
3452
3453 info.type = MSG_UNICODE;
3454 info.hwnd = hwnd;
3455 info.msg = msg;
3456 info.wparam = wparam;
3457 info.lparam = lparam;
3458 info.flags = SMTO_NORMAL;
3459 info.timeout = 0;
3460
3461 send_message( &info, &res, TRUE );
3462 return res;
3463 }
3464
3465
3466 /***********************************************************************
3467 * SendMessageA (USER32.@)
3468 */
3469 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3470 {
3471 DWORD_PTR res = 0;
3472 struct send_message_info info;
3473
3474 info.type = MSG_ASCII;
3475 info.hwnd = hwnd;
3476 info.msg = msg;
3477 info.wparam = wparam;
3478 info.lparam = lparam;
3479 info.flags = SMTO_NORMAL;
3480 info.timeout = 0;
3481 info.wm_char = WMCHAR_MAP_SENDMESSAGE;
3482
3483 send_message( &info, &res, FALSE );
3484 return res;
3485 }
3486
3487
3488 /***********************************************************************
3489 * SendNotifyMessageA (USER32.@)
3490 */
3491 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3492 {
3493 struct send_message_info info;
3494
3495 if (is_pointer_message(msg))
3496 {
3497 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3498 return FALSE;
3499 }
3500
3501 info.type = MSG_NOTIFY;
3502 info.hwnd = hwnd;
3503 info.msg = msg;
3504 info.wparam = wparam;
3505 info.lparam = lparam;
3506 info.flags = 0;
3507 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3508
3509 return send_message( &info, NULL, FALSE );
3510 }
3511
3512
3513 /***********************************************************************
3514 * SendNotifyMessageW (USER32.@)
3515 */
3516 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3517 {
3518 struct send_message_info info;
3519
3520 if (is_pointer_message(msg))
3521 {
3522 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3523 return FALSE;
3524 }
3525
3526 info.type = MSG_NOTIFY;
3527 info.hwnd = hwnd;
3528 info.msg = msg;
3529 info.wparam = wparam;
3530 info.lparam = lparam;
3531 info.flags = 0;
3532
3533 return send_message( &info, NULL, TRUE );
3534 }
3535
3536
3537 /***********************************************************************
3538 * SendMessageCallbackA (USER32.@)
3539 */
3540 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3541 SENDASYNCPROC callback, ULONG_PTR data )
3542 {
3543 struct send_message_info info;
3544
3545 if (is_pointer_message(msg))
3546 {
3547 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3548 return FALSE;
3549 }
3550
3551 info.type = MSG_CALLBACK;
3552 info.hwnd = hwnd;
3553 info.msg = msg;
3554 info.wparam = wparam;
3555 info.lparam = lparam;
3556 info.callback = callback;
3557 info.data = data;
3558 info.flags = 0;
3559 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3560
3561 return send_message( &info, NULL, FALSE );
3562 }
3563
3564
3565 /***********************************************************************
3566 * SendMessageCallbackW (USER32.@)
3567 */
3568 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3569 SENDASYNCPROC callback, ULONG_PTR data )
3570 {
3571 struct send_message_info info;
3572
3573 if (is_pointer_message(msg))
3574 {
3575 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3576 return FALSE;
3577 }
3578
3579 info.type = MSG_CALLBACK;
3580 info.hwnd = hwnd;
3581 info.msg = msg;
3582 info.wparam = wparam;
3583 info.lparam = lparam;
3584 info.callback = callback;
3585 info.data = data;
3586 info.flags = 0;
3587
3588 return send_message( &info, NULL, TRUE );
3589 }
3590
3591
3592 /***********************************************************************
3593 * ReplyMessage (USER32.@)
3594 */
3595 BOOL WINAPI ReplyMessage( LRESULT result )
3596 {
3597 struct received_message_info *info = get_user_thread_info()->receive_info;
3598
3599 if (!info) return FALSE;
3600 reply_message( info, result, FALSE );
3601 return TRUE;
3602 }
3603
3604
3605 /***********************************************************************
3606 * InSendMessage (USER32.@)
3607 */
3608 BOOL WINAPI InSendMessage(void)
3609 {
3610 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
3611 }
3612
3613
3614 /***********************************************************************
3615 * InSendMessageEx (USER32.@)
3616 */
3617 DWORD WINAPI InSendMessageEx( LPVOID reserved )
3618 {
3619 struct received_message_info *info = get_user_thread_info()->receive_info;
3620
3621 if (info) return info->flags;
3622 return ISMEX_NOSEND;
3623 }
3624
3625
3626 /***********************************************************************
3627 * PostMessageA (USER32.@)
3628 */
3629 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3630 {
3631 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3632 return PostMessageW( hwnd, msg, wparam, lparam );
3633 }
3634
3635
3636 /***********************************************************************
3637 * PostMessageW (USER32.@)
3638 */
3639 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3640 {
3641 struct send_message_info info;
3642
3643 if (is_pointer_message( msg ))
3644 {
3645 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3646 return FALSE;
3647 }
3648
3649 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3650 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
3651
3652 info.type = MSG_POSTED;
3653 info.hwnd = hwnd;
3654 info.msg = msg;
3655 info.wparam = wparam;
3656 info.lparam = lparam;
3657 info.flags = 0;
3658
3659 if (is_broadcast(hwnd))
3660 {
3661 EnumWindows( broadcast_message_callback, (LPARAM)&info );
3662 return TRUE;
3663 }
3664
3665 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
3666
3667 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
3668
3669 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
3670
3671 return put_message_in_queue( &info, NULL );
3672 }
3673
3674
3675 /**********************************************************************
3676 * PostThreadMessageA (USER32.@)
3677 */
3678 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3679 {
3680 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3681 return PostThreadMessageW( thread, msg, wparam, lparam );
3682 }
3683
3684
3685 /**********************************************************************
3686 * PostThreadMessageW (USER32.@)
3687 */
3688 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3689 {
3690 struct send_message_info info;
3691
3692 if (is_pointer_message( msg ))
3693 {
3694 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3695 return FALSE;
3696 }
3697 if (USER_IsExitingThread( thread )) return TRUE;
3698
3699 info.type = MSG_POSTED;
3700 info.dest_tid = thread;
3701 info.hwnd = 0;
3702 info.msg = msg;
3703 info.wparam = wparam;
3704 info.lparam = lparam;
3705 info.flags = 0;
3706 return put_message_in_queue( &info, NULL );
3707 }
3708
3709
3710 /***********************************************************************
3711 * PostQuitMessage (USER32.@)
3712 *
3713 * Posts a quit message to the current thread's message queue.
3714 *
3715 * PARAMS
3716 * exit_code [I] Exit code to return from message loop.
3717 *
3718 * RETURNS
3719 * Nothing.
3720 *
3721 * NOTES
3722 * This function is not the same as calling:
3723 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
3724 * It instead sets a flag in the message queue that signals it to generate
3725 * a WM_QUIT message when there are no other pending sent or posted messages
3726 * in the queue.
3727 */
3728 void WINAPI PostQuitMessage( INT exit_code )
3729 {
3730 SERVER_START_REQ( post_quit_message )
3731 {
3732 req->exit_code = exit_code;
3733 wine_server_call( req );
3734 }
3735 SERVER_END_REQ;
3736 }
3737
3738 /* check for driver events if we detect that the app is not properly consuming messages */
3739 static inline void check_for_driver_events( UINT msg )
3740 {
3741 if (get_user_thread_info()->message_count > 200)
3742 {
3743 flush_window_surfaces( FALSE );
3744 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
3745 }
3746 else if (msg == WM_TIMER || msg == WM_SYSTIMER)
3747 {
3748 /* driver events should have priority over timers, so make sure we'll check for them soon */
3749 get_user_thread_info()->message_count += 100;
3750 }
3751 else get_user_thread_info()->message_count++;
3752 }
3753
3754 /***********************************************************************
3755 * PeekMessageW (USER32.@)
3756 */
3757 BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
3758 {
3759 MSG msg;
3760
3761 USER_CheckNotLock();
3762 check_for_driver_events( 0 );
3763
3764 if (!peek_message( &msg, hwnd, first, last, flags, 0 ))
3765 {
3766 DWORD ret;
3767
3768 flush_window_surfaces( TRUE );
3769 ret = wow_handlers.wait_message( 0, NULL, 0, QS_ALLINPUT, 0 );
3770 /* if we received driver events, check again for a pending message */
3771 if (ret == WAIT_TIMEOUT || !peek_message( &msg, hwnd, first, last, flags, 0 )) return FALSE;
3772 }
3773
3774 check_for_driver_events( msg.message );
3775
3776 /* copy back our internal safe copy of message data to msg_out.
3777 * msg_out is a variable from the *program*, so it can't be used
3778 * internally as it can get "corrupted" by our use of SendMessage()
3779 * (back to the program) inside the message handling itself. */
3780 if (!msg_out)
3781 {
3782 SetLastError( ERROR_NOACCESS );
3783 return FALSE;
3784 }
3785 *msg_out = msg;
3786 return TRUE;
3787 }
3788
3789
3790 /***********************************************************************
3791 * PeekMessageA (USER32.@)
3792 */
3793 BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
3794 {
3795 if (get_pending_wmchar( msg, first, last, (flags & PM_REMOVE) )) return TRUE;
3796 if (!PeekMessageW( msg, hwnd, first, last, flags )) return FALSE;
3797 map_wparam_WtoA( msg, (flags & PM_REMOVE) );
3798 return TRUE;
3799 }
3800
3801
3802 /***********************************************************************
3803 * GetMessageW (USER32.@)
3804 */
3805 BOOL WINAPI DECLSPEC_HOTPATCH GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
3806 {
3807 HANDLE server_queue = get_server_queue_handle();
3808 unsigned int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
3809
3810 USER_CheckNotLock();
3811 check_for_driver_events( 0 );
3812
3813 if (first || last)
3814 {
3815 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
3816 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
3817 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
3818 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
3819 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
3820 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
3821 }
3822 else mask = QS_ALLINPUT;
3823
3824 while (!peek_message( msg, hwnd, first, last, PM_REMOVE | (mask << 16), mask ))
3825 {
3826 wait_objects( 1, &server_queue, INFINITE, mask & (QS_SENDMESSAGE | QS_SMRESULT), mask, 0 );
3827 }
3828 check_for_driver_events( msg->message );
3829
3830 return (msg->message != WM_QUIT);
3831 }
3832
3833
3834 /***********************************************************************
3835 * GetMessageA (USER32.@)
3836 */
3837 BOOL WINAPI DECLSPEC_HOTPATCH GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
3838 {
3839 if (get_pending_wmchar( msg, first, last, TRUE )) return TRUE;
3840 GetMessageW( msg, hwnd, first, last );
3841 map_wparam_WtoA( msg, TRUE );
3842 return (msg->message != WM_QUIT);
3843 }
3844
3845
3846 /***********************************************************************
3847 * IsDialogMessageA (USER32.@)
3848 * IsDialogMessage (USER32.@)
3849 */
3850 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
3851 {
3852 MSG msg = *pmsg;
3853 map_wparam_AtoW( msg.message, &msg.wParam, WMCHAR_MAP_NOMAPPING );
3854 return IsDialogMessageW( hwndDlg, &msg );
3855 }
3856
3857
3858 /***********************************************************************
3859 * TranslateMessage (USER32.@)
3860 *
3861 * Implementation of TranslateMessage.
3862 *
3863 * TranslateMessage translates virtual-key messages into character-messages,
3864 * as follows :
3865 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
3866 * ditto replacing WM_* with WM_SYS*
3867 * This produces WM_CHAR messages only for keys mapped to ASCII characters
3868 * by the keyboard driver.
3869 *
3870 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
3871 * return value is nonzero, regardless of the translation.
3872 *
3873 */
3874 BOOL WINAPI TranslateMessage( const MSG *msg )
3875 {
3876 UINT message;
3877 WCHAR wp[8];
3878 BYTE state[256];
3879 INT len;
3880
3881 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
3882 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
3883
3884 TRACE_(key)("Translating key %s (%04lX), scancode %04x\n",
3885 SPY_GetVKeyName(msg->wParam), msg->wParam, HIWORD(msg->lParam));
3886
3887 switch (msg->wParam)
3888 {
3889 case VK_PACKET:
3890 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3891 TRACE_(key)("PostMessageW(%p,%s,%04x,%08x)\n",
3892 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), HIWORD(msg->lParam), LOWORD(msg->lParam));
3893 PostMessageW( msg->hwnd, message, HIWORD(msg->lParam), LOWORD(msg->lParam));
3894 return TRUE;
3895
3896 case VK_PROCESSKEY:
3897 return ImmTranslateMessage(msg->hwnd, msg->message, msg->wParam, msg->lParam);
3898 }
3899
3900 GetKeyboardState( state );
3901 len = ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, sizeof(wp)/sizeof(WCHAR), 0);
3902 if (len == -1)
3903 {
3904 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
3905 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3906 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
3907 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
3908 }
3909 else if (len > 0)
3910 {
3911 INT i;
3912
3913 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3914 TRACE_(key)("%d -> PostMessageW(%p,%s,<x>,%08lx) for <x> in %s\n", len, msg->hwnd,
3915 SPY_GetMsgName(message, msg->hwnd), msg->lParam, debugstr_wn(wp, len));
3916 for (i = 0; i < len; i++)
3917 PostMessageW( msg->hwnd, message, wp[i], msg->lParam );
3918 }
3919 return TRUE;
3920 }
3921
3922
3923 /***********************************************************************
3924 * DispatchMessageA (USER32.@)
3925 *
3926 * See DispatchMessageW.
3927 */
3928 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageA( const MSG* msg )
3929 {
3930 LRESULT retval;
3931
3932 /* Process timer messages */
3933 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3934 {
3935 if (msg->lParam)
3936 {
3937 __TRY
3938 {
3939 retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
3940 msg->message, msg->wParam, GetTickCount() );
3941 }
3942 __EXCEPT_ALL
3943 {
3944 retval = 0;
3945 }
3946 __ENDTRY
3947 return retval;
3948 }
3949 }
3950 if (!msg->hwnd) return 0;
3951
3952 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3953 msg->wParam, msg->lParam );
3954
3955 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3956 &retval, FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
3957 {
3958 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3959 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3960 retval = 0;
3961 }
3962
3963 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3964 msg->wParam, msg->lParam );
3965
3966 if (msg->message == WM_PAINT)
3967 {
3968 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3969 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3970 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3971 DeleteObject( hrgn );
3972 }
3973 return retval;
3974 }
3975
3976
3977 /***********************************************************************
3978 * DispatchMessageW (USER32.@) Process a message
3979 *
3980 * Process the message specified in the structure *_msg_.
3981 *
3982 * If the lpMsg parameter points to a WM_TIMER message and the
3983 * parameter of the WM_TIMER message is not NULL, the lParam parameter
3984 * points to the function that is called instead of the window
3985 * procedure. The function stored in lParam (timer callback) is protected
3986 * from causing page-faults.
3987 *
3988 * The message must be valid.
3989 *
3990 * RETURNS
3991 *
3992 * DispatchMessage() returns the result of the window procedure invoked.
3993 *
3994 * CONFORMANCE
3995 *
3996 * ECMA-234, Win32
3997 *
3998 */
3999 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageW( const MSG* msg )
4000 {
4001 LRESULT retval;
4002
4003 /* Process timer messages */
4004 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
4005 {
4006 if (msg->lParam)
4007 {
4008 __TRY
4009 {
4010 retval = CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
4011 msg->message, msg->wParam, GetTickCount() );
4012 }
4013 __EXCEPT_ALL
4014 {
4015 retval = 0;
4016 }
4017 __ENDTRY
4018 return retval;
4019 }
4020 }
4021 if (!msg->hwnd) return 0;
4022
4023 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
4024 msg->wParam, msg->lParam );
4025
4026 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
4027 &retval, TRUE, WMCHAR_MAP_DISPATCHMESSAGE ))
4028 {
4029 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
4030 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
4031 retval = 0;
4032 }
4033
4034 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
4035 msg->wParam, msg->lParam );
4036
4037 if (msg->message == WM_PAINT)
4038 {
4039 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
4040 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
4041 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
4042 DeleteObject( hrgn );
4043 }
4044 return retval;
4045 }
4046
4047
4048 /***********************************************************************
4049 * GetMessagePos (USER.119)
4050 * GetMessagePos (USER32.@)
4051 *
4052 * The GetMessagePos() function returns a long value representing a
4053 * cursor position, in screen coordinates, when the last message
4054 * retrieved by the GetMessage() function occurs. The x-coordinate is
4055 * in the low-order word of the return value, the y-coordinate is in
4056 * the high-order word. The application can use the MAKEPOINT()
4057 * macro to obtain a POINT structure from the return value.
4058 *
4059 * For the current cursor position, use GetCursorPos().
4060 *
4061 * RETURNS
4062 *
4063 * Cursor position of last message on success, zero on failure.
4064 *
4065 * CONFORMANCE
4066 *
4067 * ECMA-234, Win32
4068 *
4069 */
4070 DWORD WINAPI GetMessagePos(void)
4071 {
4072 return get_user_thread_info()->GetMessagePosVal;
4073 }
4074
4075
4076 /***********************************************************************
4077 * GetMessageTime (USER.120)
4078 * GetMessageTime (USER32.@)
4079 *
4080 * GetMessageTime() returns the message time for the last message
4081 * retrieved by the function. The time is measured in milliseconds with
4082 * the same offset as GetTickCount().
4083 *
4084 * Since the tick count wraps, this is only useful for moderately short
4085 * relative time comparisons.
4086 *
4087 * RETURNS
4088 *
4089 * Time of last message on success, zero on failure.
4090 */
4091 LONG WINAPI GetMessageTime(void)
4092 {
4093 return get_user_thread_info()->GetMessageTimeVal;
4094 }
4095
4096
4097 /***********************************************************************
4098 * GetMessageExtraInfo (USER.288)
4099 * GetMessageExtraInfo (USER32.@)
4100 */
4101 LPARAM WINAPI GetMessageExtraInfo(void)
4102 {
4103 return get_user_thread_info()->GetMessageExtraInfoVal;
4104 }
4105
4106
4107 /***********************************************************************
4108 * SetMessageExtraInfo (USER32.@)
4109 */
4110 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
4111 {
4112 struct user_thread_info *thread_info = get_user_thread_info();
4113 LONG old_value = thread_info->GetMessageExtraInfoVal;
4114 thread_info->GetMessageExtraInfoVal = lParam;
4115 return old_value;
4116 }
4117
4118
4119 /***********************************************************************
4120 * WaitMessage (USER.112) Suspend thread pending messages
4121 * WaitMessage (USER32.@) Suspend thread pending messages
4122 *
4123 * WaitMessage() suspends a thread until events appear in the thread's
4124 * queue.
4125 */
4126 BOOL WINAPI WaitMessage(void)
4127 {
4128 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
4129 }
4130
4131
4132 /***********************************************************************
4133 * MsgWaitForMultipleObjectsEx (USER32.@)
4134 */
4135 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *pHandles,
4136 DWORD timeout, DWORD mask, DWORD flags )
4137 {
4138 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
4139 DWORD i;
4140
4141 if (count > MAXIMUM_WAIT_OBJECTS-1)
4142 {
4143 SetLastError( ERROR_INVALID_PARAMETER );
4144 return WAIT_FAILED;
4145 }
4146
4147 /* add the queue to the handle list */
4148 for (i = 0; i < count; i++) handles[i] = pHandles[i];
4149 handles[count] = get_server_queue_handle();
4150
4151 return wait_objects( count+1, handles, timeout,
4152 (flags & MWMO_INPUTAVAILABLE) ? mask : 0, mask, flags );
4153 }
4154
4155
4156 /***********************************************************************
4157 * MsgWaitForMultipleObjects (USER32.@)
4158 */
4159 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, const HANDLE *handles,
4160 BOOL wait_all, DWORD timeout, DWORD mask )
4161 {
4162 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
4163 wait_all ? MWMO_WAITALL : 0 );
4164 }
4165
4166
4167 /***********************************************************************
4168 * WaitForInputIdle (USER32.@)
4169 */
4170 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
4171 {
4172 DWORD start_time, elapsed, ret;
4173 HANDLE handles[2];
4174
4175 handles[0] = hProcess;
4176 SERVER_START_REQ( get_process_idle_event )
4177 {
4178 req->handle = wine_server_obj_handle( hProcess );
4179 wine_server_call_err( req );
4180 handles[1] = wine_server_ptr_handle( reply->event );
4181 }
4182 SERVER_END_REQ;
4183 if (!handles[1]) return WAIT_FAILED; /* no event to wait on */
4184
4185 start_time = GetTickCount();
4186 elapsed = 0;
4187
4188 TRACE("waiting for %p\n", handles[1] );
4189 do
4190 {
4191 ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
4192 switch (ret)
4193 {
4194 case WAIT_OBJECT_0:
4195 return 0;
4196 case WAIT_OBJECT_0+2:
4197 process_sent_messages();
4198 break;
4199 case WAIT_TIMEOUT:
4200 case WAIT_FAILED:
4201 TRACE("timeout or error\n");
4202 return ret;
4203 default:
4204 TRACE("finished\n");
4205 return 0;
4206 }
4207 if (dwTimeOut != INFINITE)
4208 {
4209 elapsed = GetTickCount() - start_time;
4210 if (elapsed > dwTimeOut)
4211 break;
4212 }
4213 }
4214 while (1);
4215
4216 return WAIT_TIMEOUT;
4217 }
4218
4219
4220 /***********************************************************************
4221 * RegisterWindowMessageA (USER32.@)
4222 * RegisterWindowMessage (USER.118)
4223 */
4224 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
4225 {
4226 UINT ret = GlobalAddAtomA(str);
4227 TRACE("%s, ret=%x\n", str, ret);
4228 return ret;
4229 }
4230
4231
4232 /***********************************************************************
4233 * RegisterWindowMessageW (USER32.@)
4234 */
4235 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
4236 {
4237 UINT ret = GlobalAddAtomW(str);
4238 TRACE("%s ret=%x\n", debugstr_w(str), ret);
4239 return ret;
4240 }
4241
4242 typedef struct BroadcastParm
4243 {
4244 DWORD flags;
4245 LPDWORD recipients;
4246 UINT msg;
4247 WPARAM wp;
4248 LPARAM lp;
4249 BOOL success;
4250 HWINSTA winsta;
4251 } BroadcastParm;
4252
4253 static BOOL CALLBACK bcast_childwindow( HWND hw, LPARAM lp )
4254 {
4255 BroadcastParm *parm = (BroadcastParm*)lp;
4256 DWORD_PTR retval = 0;
4257 LRESULT lresult;
4258
4259 if (parm->flags & BSF_IGNORECURRENTTASK && WIN_IsCurrentProcess(hw))
4260 {
4261 TRACE("Not telling myself %p\n", hw);
4262 return TRUE;
4263 }
4264
4265 /* I don't know 100% for sure if this is what Windows does, but it fits the tests */
4266 if (parm->flags & BSF_QUERY)
4267 {
4268 TRACE("Telling window %p using SendMessageTimeout\n", hw);
4269
4270 /* Not tested for conflicting flags */
4271 if (parm->flags & BSF_FORCEIFHUNG || parm->flags & BSF_NOHANG)
4272 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_ABORTIFHUNG, 2000, &retval );
4273 else if (parm->flags & BSF_NOTIMEOUTIFNOTHUNG)
4274 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NOTIMEOUTIFNOTHUNG, 2000, &retval );
4275 else
4276 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NORMAL, 2000, &retval );
4277
4278 if (!lresult && GetLastError() == ERROR_TIMEOUT)
4279 {
4280 WARN("Timed out!\n");
4281 if (!(parm->flags & BSF_FORCEIFHUNG))
4282 goto fail;
4283 }
4284 if (retval == BROADCAST_QUERY_DENY)
4285 goto fail;
4286
4287 return TRUE;
4288
4289 fail:
4290 parm->success = FALSE;
4291 return FALSE;
4292 }
4293 else if (parm->flags & BSF_POSTMESSAGE)
4294 {
4295 TRACE("Telling window %p using PostMessage\n", hw);
4296 PostMessageW( hw, parm->msg, parm->wp, parm->lp );
4297 }
4298 else
4299 {
4300 TRACE("Telling window %p using SendNotifyMessage\n", hw);
4301 SendNotifyMessageW( hw, parm->msg, parm->wp, parm->lp );
4302 }
4303
4304 return TRUE;
4305 }
4306
4307 static BOOL CALLBACK bcast_desktop( LPWSTR desktop, LPARAM lp )
4308 {
4309 BOOL ret;
4310 HDESK hdesktop;
4311 BroadcastParm *parm = (BroadcastParm*)lp;
4312
4313 TRACE("desktop: %s\n", debugstr_w( desktop ));
4314
4315 hdesktop = open_winstation_desktop( parm->winsta, desktop, 0, FALSE, DESKTOP_ENUMERATE|DESKTOP_WRITEOBJECTS|STANDARD_RIGHTS_WRITE );
4316 if (!hdesktop)
4317 {
4318 FIXME("Could not open desktop %s\n", debugstr_w(desktop));
4319 return TRUE;
4320 }
4321
4322 ret = EnumDesktopWindows( hdesktop, bcast_childwindow, lp );
4323 CloseDesktop(hdesktop);
4324 TRACE("-->%d\n", ret);
4325 return parm->success;
4326 }
4327
4328 static BOOL CALLBACK bcast_winsta( LPWSTR winsta, LPARAM lp )
4329 {
4330 BOOL ret;
4331 HWINSTA hwinsta = OpenWindowStationW( winsta, FALSE, WINSTA_ENUMDESKTOPS );
4332 TRACE("hwinsta: %p/%s/%08x\n", hwinsta, debugstr_w( winsta ), GetLastError());
4333 if (!hwinsta)
4334 return TRUE;
4335 ((BroadcastParm *)lp)->winsta = hwinsta;
4336 ret = EnumDesktopsW( hwinsta, bcast_desktop, lp );
4337 CloseWindowStation( hwinsta );
4338 TRACE("-->%d\n", ret);
4339 return ret;
4340 }
4341
4342 /***********************************************************************
4343 * BroadcastSystemMessageA (USER32.@)
4344 * BroadcastSystemMessage (USER32.@)
4345 */
4346 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4347 {
4348 return BroadcastSystemMessageExA( flags, recipients, msg, wp, lp, NULL );
4349 }
4350
4351
4352 /***********************************************************************
4353 * BroadcastSystemMessageW (USER32.@)
4354 */
4355 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4356 {
4357 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4358 }
4359
4360 /***********************************************************************
4361 * BroadcastSystemMessageExA (USER32.@)
4362 */
4363 LONG WINAPI BroadcastSystemMessageExA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4364 {
4365 map_wparam_AtoW( msg, &wp, WMCHAR_MAP_NOMAPPING );
4366 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4367 }
4368
4369
4370 /***********************************************************************
4371 * BroadcastSystemMessageExW (USER32.@)
4372 */
4373 LONG WINAPI BroadcastSystemMessageExW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4374 {
4375 BroadcastParm parm;
4376 DWORD recips = BSM_ALLCOMPONENTS;
4377 BOOL ret = TRUE;
4378 static const DWORD all_flags = ( BSF_QUERY | BSF_IGNORECURRENTTASK | BSF_FLUSHDISK | BSF_NOHANG
4379 | BSF_POSTMESSAGE | BSF_FORCEIFHUNG | BSF_NOTIMEOUTIFNOTHUNG
4380 | BSF_ALLOWSFW | BSF_SENDNOTIFYMESSAGE | BSF_RETURNHDESK | BSF_LUID );
4381
4382 TRACE("Flags: %08x, recipients: %p(0x%x), msg: %04x, wparam: %08lx, lparam: %08lx\n", flags, recipients,
4383 (recipients ? *recipients : recips), msg, wp, lp);
4384
4385 if (flags & ~all_flags)
4386 {
4387 SetLastError(ERROR_INVALID_PARAMETER);
4388 return 0;
4389 }
4390
4391 if (!recipients)
4392 recipients = &recips;
4393
4394 if ( pinfo && flags & BSF_QUERY )
4395 FIXME("Not returning PBSMINFO information yet\n");
4396
4397 parm.flags = flags;
4398 parm.recipients = recipients;
4399 parm.msg = msg;
4400 parm.wp = wp;
4401 parm.lp = lp;
4402 parm.success = TRUE;
4403
4404 if (*recipients & BSM_ALLDESKTOPS || *recipients == BSM_ALLCOMPONENTS)
4405 ret = EnumWindowStationsW(bcast_winsta, (LONG_PTR)&parm);
4406 else if (*recipients & BSM_APPLICATIONS)
4407 {
4408 EnumWindows(bcast_childwindow, (LONG_PTR)&parm);
4409 ret = parm.success;
4410 }
4411 else
4412 FIXME("Recipients %08x not supported!\n", *recipients);
4413
4414 return ret;
4415 }
4416
4417 /***********************************************************************
4418 * SetMessageQueue (USER32.@)
4419 */
4420 BOOL WINAPI SetMessageQueue( INT size )
4421 {
4422 /* now obsolete the message queue will be expanded dynamically as necessary */
4423 return TRUE;
4424 }
4425
4426
4427 /***********************************************************************
4428 * MessageBeep (USER32.@)
4429 */
4430 BOOL WINAPI MessageBeep( UINT i )
4431 {
4432 BOOL active = TRUE;
4433 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
4434 if (active) USER_Driver->pBeep();
4435 return TRUE;
4436 }
4437
4438
4439 /***********************************************************************
4440 * SetTimer (USER32.@)
4441 */
4442 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4443 {
4444 UINT_PTR ret;
4445 WNDPROC winproc = 0;
4446
4447 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4448
4449 timeout = min( max( USER_TIMER_MINIMUM, timeout ), USER_TIMER_MAXIMUM );
4450
4451 SERVER_START_REQ( set_win_timer )
4452 {
4453 req->win = wine_server_user_handle( hwnd );
4454 req->msg = WM_TIMER;
4455 req->id = id;
4456 req->rate = timeout;
4457 req->lparam = (ULONG_PTR)winproc;
4458 if (!wine_server_call_err( req ))
4459 {
4460 ret = reply->id;
4461 if (!ret) ret = TRUE;
4462 }
4463 else ret = 0;
4464 }
4465 SERVER_END_REQ;
4466
4467 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4468 return ret;
4469 }
4470
4471
4472 /***********************************************************************
4473 * SetSystemTimer (USER32.@)
4474 */
4475 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4476 {
4477 UINT_PTR ret;
4478 WNDPROC winproc = 0;
4479
4480 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4481
4482 timeout = min( max( USER_TIMER_MINIMUM, timeout ), USER_TIMER_MAXIMUM );
4483
4484 SERVER_START_REQ( set_win_timer )
4485 {
4486 req->win = wine_server_user_handle( hwnd );
4487 req->msg = WM_SYSTIMER;
4488 req->id = id;
4489 req->rate = timeout;
4490 req->lparam = (ULONG_PTR)winproc;
4491 if (!wine_server_call_err( req ))
4492 {
4493 ret = reply->id;
4494 if (!ret) ret = TRUE;
4495 }
4496 else ret = 0;
4497 }
4498 SERVER_END_REQ;
4499
4500 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4501 return ret;
4502 }
4503
4504
4505 /***********************************************************************
4506 * KillTimer (USER32.@)
4507 */
4508 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
4509 {
4510 BOOL ret;
4511
4512 SERVER_START_REQ( kill_win_timer )
4513 {
4514 req->win = wine_server_user_handle( hwnd );
4515 req->msg = WM_TIMER;
4516 req->id = id;
4517 ret = !wine_server_call_err( req );
4518 }
4519 SERVER_END_REQ;
4520 return ret;
4521 }
4522
4523
4524 /***********************************************************************
4525 * KillSystemTimer (USER32.@)
4526 */
4527 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
4528 {
4529 BOOL ret;
4530
4531 SERVER_START_REQ( kill_win_timer )
4532 {
4533 req->win = wine_server_user_handle( hwnd );
4534 req->msg = WM_SYSTIMER;
4535 req->id = id;
4536 ret = !wine_server_call_err( req );
4537 }
4538 SERVER_END_REQ;
4539 return ret;
4540 }
4541
4542
4543 /**********************************************************************
4544 * IsGUIThread (USER32.@)
4545 */
4546 BOOL WINAPI IsGUIThread( BOOL convert )
4547 {
4548 FIXME( "%u: stub\n", convert );
4549 return TRUE;
4550 }
4551
4552
4553 /**********************************************************************
4554 * GetGUIThreadInfo (USER32.@)
4555 */
4556 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
4557 {
4558 BOOL ret;
4559
4560 if (info->cbSize != sizeof(*info))
4561 {
4562 SetLastError( ERROR_INVALID_PARAMETER );
4563 return FALSE;
4564 }
4565
4566 SERVER_START_REQ( get_thread_input )
4567 {
4568 req->tid = id;
4569 if ((ret = !wine_server_call_err( req )))
4570 {
4571 info->flags = 0;
4572 info->hwndActive = wine_server_ptr_handle( reply->active );
4573 info->hwndFocus = wine_server_ptr_handle( reply->focus );
4574 info->hwndCapture = wine_server_ptr_handle( reply->capture );
4575 info->hwndMenuOwner = wine_server_ptr_handle( reply->menu_owner );
4576 info->hwndMoveSize = wine_server_ptr_handle( reply->move_size );
4577 info->hwndCaret = wine_server_ptr_handle( reply->caret );
4578 info->rcCaret.left = reply->rect.left;
4579 info->rcCaret.top = reply->rect.top;
4580 info->rcCaret.right = reply->rect.right;
4581 info->rcCaret.bottom = reply->rect.bottom;
4582 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
4583 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
4584 if (reply->caret) info->flags |= GUI_CARETBLINKING;
4585 }
4586 }
4587 SERVER_END_REQ;
4588 return ret;
4589 }
4590
4591
4592 /******************************************************************
4593 * IsHungAppWindow (USER32.@)
4594 *
4595 */
4596 BOOL WINAPI IsHungAppWindow( HWND hWnd )
4597 {
4598 BOOL ret;
4599
4600 SERVER_START_REQ( is_window_hung )
4601 {
4602 req->win = wine_server_user_handle( hWnd );
4603 ret = !wine_server_call_err( req ) && reply->is_hung;
4604 }
4605 SERVER_END_REQ;
4606 return ret;
4607 }
4608
4609 /******************************************************************
4610 * ChangeWindowMessageFilter (USER32.@)
4611 */
4612 BOOL WINAPI ChangeWindowMessageFilter( UINT message, DWORD flag )
4613 {
4614 FIXME( "%x %08x\n", message, flag );
4615 return TRUE;
4616 }
4617
4618 /******************************************************************
4619 * ChangeWindowMessageFilterEx (USER32.@)
4620 */
4621 BOOL WINAPI ChangeWindowMessageFilterEx( HWND hwnd, UINT message, DWORD action, CHANGEFILTERSTRUCT *changefilter )
4622 {
4623 FIXME( "%p %x %d %p\n", hwnd, message, action, changefilter );
4624 return TRUE;
4625 }
Windows API implementation