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msxml3: Block ::add() if collection is read-only.
[wine/multimedia.git] / dlls / user32 / message.c
blob4972bb832c25ba8f4c5aef65e95bd808346fa5aa
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 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
60
61 /* the various structures that can be sent in messages, in platform-independent layout */
62 struct packed_CREATESTRUCTW
63 {
64 ULONGLONG lpCreateParams;
65 ULONGLONG hInstance;
66 user_handle_t hMenu;
67 DWORD __pad1;
68 user_handle_t hwndParent;
69 DWORD __pad2;
70 INT cy;
71 INT cx;
72 INT y;
73 INT x;
74 LONG style;
75 ULONGLONG lpszName;
76 ULONGLONG lpszClass;
77 DWORD dwExStyle;
78 DWORD __pad3;
79 };
80
81 struct packed_DRAWITEMSTRUCT
82 {
83 UINT CtlType;
84 UINT CtlID;
85 UINT itemID;
86 UINT itemAction;
87 UINT itemState;
88 user_handle_t hwndItem;
89 DWORD __pad1;
90 user_handle_t hDC;
91 DWORD __pad2;
92 RECT rcItem;
93 ULONGLONG itemData;
94 };
95
96 struct packed_MEASUREITEMSTRUCT
97 {
98 UINT CtlType;
99 UINT CtlID;
100 UINT itemID;
101 UINT itemWidth;
102 UINT itemHeight;
103 ULONGLONG itemData;
104 };
105
106 struct packed_DELETEITEMSTRUCT
107 {
108 UINT CtlType;
109 UINT CtlID;
110 UINT itemID;
111 user_handle_t hwndItem;
112 DWORD __pad;
113 ULONGLONG itemData;
114 };
115
116 struct packed_COMPAREITEMSTRUCT
117 {
118 UINT CtlType;
119 UINT CtlID;
120 user_handle_t hwndItem;
121 DWORD __pad1;
122 UINT itemID1;
123 ULONGLONG itemData1;
124 UINT itemID2;
125 ULONGLONG itemData2;
126 DWORD dwLocaleId;
127 DWORD __pad2;
128 };
129
130 struct packed_WINDOWPOS
131 {
132 user_handle_t hwnd;
133 DWORD __pad1;
134 user_handle_t hwndInsertAfter;
135 DWORD __pad2;
136 INT x;
137 INT y;
138 INT cx;
139 INT cy;
140 UINT flags;
141 DWORD __pad3;
142 };
143
144 struct packed_COPYDATASTRUCT
145 {
146 ULONGLONG dwData;
147 DWORD cbData;
148 ULONGLONG lpData;
149 };
150
151 struct packed_HELPINFO
152 {
153 UINT cbSize;
154 INT iContextType;
155 INT iCtrlId;
156 user_handle_t hItemHandle;
157 DWORD __pad;
158 ULONGLONG dwContextId;
159 POINT MousePos;
160 };
161
162 struct packed_NCCALCSIZE_PARAMS
163 {
164 RECT rgrc[3];
165 ULONGLONG __pad1;
166 user_handle_t hwnd;
167 DWORD __pad2;
168 user_handle_t hwndInsertAfter;
169 DWORD __pad3;
170 INT x;
171 INT y;
172 INT cx;
173 INT cy;
174 UINT flags;
175 DWORD __pad4;
176 };
177
178 struct packed_MSG
179 {
180 user_handle_t hwnd;
181 DWORD __pad1;
182 UINT message;
183 ULONGLONG wParam;
184 ULONGLONG lParam;
185 DWORD time;
186 POINT pt;
187 DWORD __pad2;
188 };
189
190 struct packed_MDINEXTMENU
191 {
192 user_handle_t hmenuIn;
193 DWORD __pad1;
194 user_handle_t hmenuNext;
195 DWORD __pad2;
196 user_handle_t hwndNext;
197 DWORD __pad3;
198 };
199
200 struct packed_MDICREATESTRUCTW
201 {
202 ULONGLONG szClass;
203 ULONGLONG szTitle;
204 ULONGLONG hOwner;
205 INT x;
206 INT y;
207 INT cx;
208 INT cy;
209 DWORD style;
210 ULONGLONG lParam;
211 };
212
213 struct packed_hook_extra_info
214 {
215 user_handle_t handle;
216 DWORD __pad;
217 ULONGLONG lparam;
218 };
219
220 /* the structures are unpacked on top of the packed ones, so make sure they fit */
221 C_ASSERT( sizeof(struct packed_CREATESTRUCTW) >= sizeof(CREATESTRUCTW) );
222 C_ASSERT( sizeof(struct packed_DRAWITEMSTRUCT) >= sizeof(DRAWITEMSTRUCT) );
223 C_ASSERT( sizeof(struct packed_MEASUREITEMSTRUCT) >= sizeof(MEASUREITEMSTRUCT) );
224 C_ASSERT( sizeof(struct packed_DELETEITEMSTRUCT) >= sizeof(DELETEITEMSTRUCT) );
225 C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) );
226 C_ASSERT( sizeof(struct packed_WINDOWPOS) >= sizeof(WINDOWPOS) );
227 C_ASSERT( sizeof(struct packed_COPYDATASTRUCT) >= sizeof(COPYDATASTRUCT) );
228 C_ASSERT( sizeof(struct packed_HELPINFO) >= sizeof(HELPINFO) );
229 C_ASSERT( sizeof(struct packed_NCCALCSIZE_PARAMS) >= sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) );
230 C_ASSERT( sizeof(struct packed_MSG) >= sizeof(MSG) );
231 C_ASSERT( sizeof(struct packed_MDINEXTMENU) >= sizeof(MDINEXTMENU) );
232 C_ASSERT( sizeof(struct packed_MDICREATESTRUCTW) >= sizeof(MDICREATESTRUCTW) );
233 C_ASSERT( sizeof(struct packed_hook_extra_info) >= sizeof(struct hook_extra_info) );
234
235 union packed_structs
236 {
237 struct packed_CREATESTRUCTW cs;
238 struct packed_DRAWITEMSTRUCT dis;
239 struct packed_MEASUREITEMSTRUCT mis;
240 struct packed_DELETEITEMSTRUCT dls;
241 struct packed_COMPAREITEMSTRUCT cis;
242 struct packed_WINDOWPOS wp;
243 struct packed_COPYDATASTRUCT cds;
244 struct packed_HELPINFO hi;
245 struct packed_NCCALCSIZE_PARAMS ncp;
246 struct packed_MSG msg;
247 struct packed_MDINEXTMENU mnm;
248 struct packed_MDICREATESTRUCTW mcs;
249 struct packed_hook_extra_info hook;
250 };
251
252 /* description of the data fields that need to be packed along with a sent message */
253 struct packed_message
254 {
255 union packed_structs ps;
256 int count;
257 const void *data[MAX_PACK_COUNT];
258 size_t size[MAX_PACK_COUNT];
259 };
260
261 /* info about the message currently being received by the current thread */
262 struct received_message_info
263 {
264 enum message_type type;
265 MSG msg;
266 UINT flags; /* InSendMessageEx return flags */
267 };
268
269 /* structure to group all parameters for sent messages of the various kinds */
270 struct send_message_info
271 {
272 enum message_type type;
273 DWORD dest_tid;
274 HWND hwnd;
275 UINT msg;
276 WPARAM wparam;
277 LPARAM lparam;
278 UINT flags; /* flags for SendMessageTimeout */
279 UINT timeout; /* timeout for SendMessageTimeout */
280 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
281 ULONG_PTR data; /* callback data */
282 enum wm_char_mapping wm_char;
283 };
284
285
286 /* Message class descriptor */
287 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
288
289 const struct builtin_class_descr MESSAGE_builtin_class =
290 {
291 messageW, /* name */
292 0, /* style */
293 WINPROC_MESSAGE, /* proc */
294 0, /* extra */
295 IDC_ARROW, /* cursor */
296 0 /* brush */
297 };
298
299
300
301 /* flag for messages that contain pointers */
302 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
303
304 #define SET(msg) (1 << ((msg) & 31))
305
306 static const unsigned int message_pointer_flags[] =
307 {
308 /* 0x00 - 0x1f */
309 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
310 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
311 /* 0x20 - 0x3f */
312 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
313 SET(WM_COMPAREITEM),
314 /* 0x40 - 0x5f */
315 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
316 SET(WM_NOTIFY) | SET(WM_HELP),
317 /* 0x60 - 0x7f */
318 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
319 /* 0x80 - 0x9f */
320 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
321 /* 0xa0 - 0xbf */
322 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
323 /* 0xc0 - 0xdf */
324 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
325 /* 0xe0 - 0xff */
326 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
327 /* 0x100 - 0x11f */
328 0,
329 /* 0x120 - 0x13f */
330 0,
331 /* 0x140 - 0x15f */
332 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
333 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
334 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
335 /* 0x160 - 0x17f */
336 0,
337 /* 0x180 - 0x19f */
338 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
339 SET(LB_DIR) | SET(LB_FINDSTRING) |
340 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
341 /* 0x1a0 - 0x1bf */
342 SET(LB_FINDSTRINGEXACT),
343 /* 0x1c0 - 0x1df */
344 0,
345 /* 0x1e0 - 0x1ff */
346 0,
347 /* 0x200 - 0x21f */
348 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
349 /* 0x220 - 0x23f */
350 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
351 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
352 /* 0x240 - 0x25f */
353 0,
354 /* 0x260 - 0x27f */
355 0,
356 /* 0x280 - 0x29f */
357 0,
358 /* 0x2a0 - 0x2bf */
359 0,
360 /* 0x2c0 - 0x2df */
361 0,
362 /* 0x2e0 - 0x2ff */
363 0,
364 /* 0x300 - 0x31f */
365 SET(WM_ASKCBFORMATNAME)
366 };
367
368 /* flags for messages that contain Unicode strings */
369 static const unsigned int message_unicode_flags[] =
370 {
371 /* 0x00 - 0x1f */
372 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
373 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
374 /* 0x20 - 0x3f */
375 SET(WM_CHARTOITEM),
376 /* 0x40 - 0x5f */
377 0,
378 /* 0x60 - 0x7f */
379 0,
380 /* 0x80 - 0x9f */
381 SET(WM_NCCREATE),
382 /* 0xa0 - 0xbf */
383 0,
384 /* 0xc0 - 0xdf */
385 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
386 /* 0xe0 - 0xff */
387 0,
388 /* 0x100 - 0x11f */
389 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
390 /* 0x120 - 0x13f */
391 SET(WM_MENUCHAR),
392 /* 0x140 - 0x15f */
393 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
394 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
395 /* 0x160 - 0x17f */
396 0,
397 /* 0x180 - 0x19f */
398 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
399 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
400 /* 0x1a0 - 0x1bf */
401 SET(LB_FINDSTRINGEXACT),
402 /* 0x1c0 - 0x1df */
403 0,
404 /* 0x1e0 - 0x1ff */
405 0,
406 /* 0x200 - 0x21f */
407 0,
408 /* 0x220 - 0x23f */
409 SET(WM_MDICREATE),
410 /* 0x240 - 0x25f */
411 0,
412 /* 0x260 - 0x27f */
413 0,
414 /* 0x280 - 0x29f */
415 SET(WM_IME_CHAR),
416 /* 0x2a0 - 0x2bf */
417 0,
418 /* 0x2c0 - 0x2df */
419 0,
420 /* 0x2e0 - 0x2ff */
421 0,
422 /* 0x300 - 0x31f */
423 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
424 };
425
426 /* check whether a given message type includes pointers */
427 static inline int is_pointer_message( UINT message )
428 {
429 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
430 return (message_pointer_flags[message / 32] & SET(message)) != 0;
431 }
432
433 /* check whether a given message type contains Unicode (or ASCII) chars */
434 static inline int is_unicode_message( UINT message )
435 {
436 if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
437 return (message_unicode_flags[message / 32] & SET(message)) != 0;
438 }
439
440 #undef SET
441
442 /* add a data field to a packed message */
443 static inline void push_data( struct packed_message *data, const void *ptr, size_t size )
444 {
445 data->data[data->count] = ptr;
446 data->size[data->count] = size;
447 data->count++;
448 }
449
450 /* add a string to a packed message */
451 static inline void push_string( struct packed_message *data, LPCWSTR str )
452 {
453 push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
454 }
455
456 /* make sure that the buffer contains a valid null-terminated Unicode string */
457 static inline BOOL check_string( LPCWSTR str, size_t size )
458 {
459 for (size /= sizeof(WCHAR); size; size--, str++)
460 if (!*str) return TRUE;
461 return FALSE;
462 }
463
464 /* pack a pointer into a 32/64 portable format */
465 static inline ULONGLONG pack_ptr( const void *ptr )
466 {
467 return (ULONG_PTR)ptr;
468 }
469
470 /* unpack a potentially 64-bit pointer, returning 0 when truncated */
471 static inline void *unpack_ptr( ULONGLONG ptr64 )
472 {
473 if ((ULONG_PTR)ptr64 != ptr64) return 0;
474 return (void *)(ULONG_PTR)ptr64;
475 }
476
477 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
478 static inline void *get_buffer_space( void **buffer, size_t size )
479 {
480 void *ret;
481
482 if (*buffer)
483 {
484 if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
485 HeapFree( GetProcessHeap(), 0, *buffer );
486 }
487 else ret = HeapAlloc( GetProcessHeap(), 0, size );
488
489 *buffer = ret;
490 return ret;
491 }
492
493 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
494 static inline BOOL combobox_has_strings( HWND hwnd )
495 {
496 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
497 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
498 }
499
500 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
501 static inline BOOL listbox_has_strings( HWND hwnd )
502 {
503 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
504 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
505 }
506
507 /* check whether message is in the range of keyboard messages */
508 static inline BOOL is_keyboard_message( UINT message )
509 {
510 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
511 }
512
513 /* check whether message is in the range of mouse messages */
514 static inline BOOL is_mouse_message( UINT message )
515 {
516 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
517 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
518 }
519
520 /* check whether message matches the specified hwnd filter */
521 static inline BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
522 {
523 if (!hwnd_filter || hwnd_filter == GetDesktopWindow()) return TRUE;
524 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
525 }
526
527 /* check for pending WM_CHAR message with DBCS trailing byte */
528 static inline BOOL get_pending_wmchar( MSG *msg, UINT first, UINT last, BOOL remove )
529 {
530 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
531
532 if (!data || !data->get_msg.message) return FALSE;
533 if ((first || last) && (first > WM_CHAR || last < WM_CHAR)) return FALSE;
534 if (!msg) return FALSE;
535 *msg = data->get_msg;
536 if (remove) data->get_msg.message = 0;
537 return TRUE;
538 }
539
540
541 /***********************************************************************
542 * MessageWndProc
543 *
544 * Window procedure for "Message" windows (HWND_MESSAGE parent).
545 */
546 LRESULT WINAPI MessageWndProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
547 {
548 if (message == WM_NCCREATE) return TRUE;
549 return 0; /* all other messages are ignored */
550 }
551
552
553 /***********************************************************************
554 * broadcast_message_callback
555 *
556 * Helper callback for broadcasting messages.
557 */
558 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
559 {
560 struct send_message_info *info = (struct send_message_info *)lparam;
561 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
562 switch(info->type)
563 {
564 case MSG_UNICODE:
565 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
566 info->flags, info->timeout, NULL );
567 break;
568 case MSG_ASCII:
569 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
570 info->flags, info->timeout, NULL );
571 break;
572 case MSG_NOTIFY:
573 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
574 break;
575 case MSG_CALLBACK:
576 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
577 info->callback, info->data );
578 break;
579 case MSG_POSTED:
580 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
581 break;
582 default:
583 ERR( "bad type %d\n", info->type );
584 break;
585 }
586 return TRUE;
587 }
588
589
590 /***********************************************************************
591 * map_wparam_AtoW
592 *
593 * Convert the wparam of an ASCII message to Unicode.
594 */
595 BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping )
596 {
597 char ch[2];
598 WCHAR wch[2];
599
600 wch[0] = wch[1] = 0;
601 switch(message)
602 {
603 case WM_CHAR:
604 /* WM_CHAR is magic: a DBCS char can be sent/posted as two consecutive WM_CHAR
605 * messages, in which case the first char is stored, and the conversion
606 * to Unicode only takes place once the second char is sent/posted.
607 */
608 if (mapping != WMCHAR_MAP_NOMAPPING)
609 {
610 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
611 BYTE low = LOBYTE(*wparam);
612
613 if (HIBYTE(*wparam))
614 {
615 ch[0] = low;
616 ch[1] = HIBYTE(*wparam);
617 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 2 );
618 TRACE( "map %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
619 if (data) data->lead_byte[mapping] = 0;
620 }
621 else if (data && data->lead_byte[mapping])
622 {
623 ch[0] = data->lead_byte[mapping];
624 ch[1] = low;
625 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 2 );
626 TRACE( "map stored %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
627 data->lead_byte[mapping] = 0;
628 }
629 else if (!IsDBCSLeadByte( low ))
630 {
631 ch[0] = low;
632 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 1 );
633 TRACE( "map %02x -> %04x\n", (BYTE)ch[0], wch[0] );
634 if (data) data->lead_byte[mapping] = 0;
635 }
636 else /* store it and wait for trail byte */
637 {
638 if (!data)
639 {
640 if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
641 return FALSE;
642 get_user_thread_info()->wmchar_data = data;
643 }
644 TRACE( "storing lead byte %02x mapping %u\n", low, mapping );
645 data->lead_byte[mapping] = low;
646 return FALSE;
647 }
648 *wparam = MAKEWPARAM(wch[0], wch[1]);
649 break;
650 }
651 /* else fall through */
652 case WM_CHARTOITEM:
653 case EM_SETPASSWORDCHAR:
654 case WM_DEADCHAR:
655 case WM_SYSCHAR:
656 case WM_SYSDEADCHAR:
657 case WM_MENUCHAR:
658 ch[0] = LOBYTE(*wparam);
659 ch[1] = HIBYTE(*wparam);
660 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 2 );
661 *wparam = MAKEWPARAM(wch[0], wch[1]);
662 break;
663 case WM_IME_CHAR:
664 ch[0] = HIBYTE(*wparam);
665 ch[1] = LOBYTE(*wparam);
666 if (ch[0]) RtlMultiByteToUnicodeN( wch, sizeof(wch[0]), NULL, ch, 2 );
667 else RtlMultiByteToUnicodeN( wch, sizeof(wch[0]), NULL, ch + 1, 1 );
668 *wparam = MAKEWPARAM(wch[0], HIWORD(*wparam));
669 break;
670 }
671 return TRUE;
672 }
673
674
675 /***********************************************************************
676 * map_wparam_WtoA
677 *
678 * Convert the wparam of a Unicode message to ASCII.
679 */
680 static void map_wparam_WtoA( MSG *msg, BOOL remove )
681 {
682 BYTE ch[2];
683 WCHAR wch[2];
684 DWORD len;
685
686 switch(msg->message)
687 {
688 case WM_CHAR:
689 if (!HIWORD(msg->wParam))
690 {
691 wch[0] = LOWORD(msg->wParam);
692 ch[0] = ch[1] = 0;
693 RtlUnicodeToMultiByteN( (LPSTR)ch, 2, &len, wch, sizeof(wch[0]) );
694 if (len == 2) /* DBCS char */
695 {
696 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
697 if (!data)
698 {
699 if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) ))) return;
700 get_user_thread_info()->wmchar_data = data;
701 }
702 if (remove)
703 {
704 data->get_msg = *msg;
705 data->get_msg.wParam = ch[1];
706 }
707 msg->wParam = ch[0];
708 return;
709 }
710 }
711 /* else fall through */
712 case WM_CHARTOITEM:
713 case EM_SETPASSWORDCHAR:
714 case WM_DEADCHAR:
715 case WM_SYSCHAR:
716 case WM_SYSDEADCHAR:
717 case WM_MENUCHAR:
718 wch[0] = LOWORD(msg->wParam);
719 wch[1] = HIWORD(msg->wParam);
720 ch[0] = ch[1] = 0;
721 RtlUnicodeToMultiByteN( (LPSTR)ch, 2, NULL, wch, sizeof(wch) );
722 msg->wParam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
723 break;
724 case WM_IME_CHAR:
725 wch[0] = LOWORD(msg->wParam);
726 ch[0] = ch[1] = 0;
727 RtlUnicodeToMultiByteN( (LPSTR)ch, 2, &len, wch, sizeof(wch[0]) );
728 if (len == 2)
729 msg->wParam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(msg->wParam) );
730 else
731 msg->wParam = MAKEWPARAM( ch[0], HIWORD(msg->wParam) );
732 break;
733 }
734 }
735
736
737 /***********************************************************************
738 * pack_message
739 *
740 * Pack a message for sending to another process.
741 * Return the size of the data we expect in the message reply.
742 * Set data->count to -1 if there is an error.
743 */
744 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
745 struct packed_message *data )
746 {
747 data->count = 0;
748 switch(message)
749 {
750 case WM_NCCREATE:
751 case WM_CREATE:
752 {
753 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
754 data->ps.cs.lpCreateParams = pack_ptr( cs->lpCreateParams );
755 data->ps.cs.hInstance = pack_ptr( cs->hInstance );
756 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
757 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
758 data->ps.cs.cy = cs->cy;
759 data->ps.cs.cx = cs->cx;
760 data->ps.cs.y = cs->y;
761 data->ps.cs.x = cs->x;
762 data->ps.cs.style = cs->style;
763 data->ps.cs.dwExStyle = cs->dwExStyle;
764 data->ps.cs.lpszName = pack_ptr( cs->lpszName );
765 data->ps.cs.lpszClass = pack_ptr( cs->lpszClass );
766 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
767 if (!IS_INTRESOURCE(cs->lpszName)) push_string( data, cs->lpszName );
768 if (!IS_INTRESOURCE(cs->lpszClass)) push_string( data, cs->lpszClass );
769 return sizeof(data->ps.cs);
770 }
771 case WM_GETTEXT:
772 case WM_ASKCBFORMATNAME:
773 return wparam * sizeof(WCHAR);
774 case WM_WININICHANGE:
775 if (lparam) push_string(data, (LPWSTR)lparam );
776 return 0;
777 case WM_SETTEXT:
778 case WM_DEVMODECHANGE:
779 case CB_DIR:
780 case LB_DIR:
781 case LB_ADDFILE:
782 case EM_REPLACESEL:
783 push_string( data, (LPWSTR)lparam );
784 return 0;
785 case WM_GETMINMAXINFO:
786 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
787 return sizeof(MINMAXINFO);
788 case WM_DRAWITEM:
789 {
790 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam;
791 data->ps.dis.CtlType = dis->CtlType;
792 data->ps.dis.CtlID = dis->CtlID;
793 data->ps.dis.itemID = dis->itemID;
794 data->ps.dis.itemAction = dis->itemAction;
795 data->ps.dis.itemState = dis->itemState;
796 data->ps.dis.hwndItem = wine_server_user_handle( dis->hwndItem );
797 data->ps.dis.hDC = wine_server_user_handle( dis->hDC ); /* FIXME */
798 data->ps.dis.rcItem = dis->rcItem;
799 data->ps.dis.itemData = dis->itemData;
800 push_data( data, &data->ps.dis, sizeof(data->ps.dis) );
801 return 0;
802 }
803 case WM_MEASUREITEM:
804 {
805 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
806 data->ps.mis.CtlType = mis->CtlType;
807 data->ps.mis.CtlID = mis->CtlID;
808 data->ps.mis.itemID = mis->itemID;
809 data->ps.mis.itemWidth = mis->itemWidth;
810 data->ps.mis.itemHeight = mis->itemHeight;
811 data->ps.mis.itemData = mis->itemData;
812 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
813 return sizeof(data->ps.mis);
814 }
815 case WM_DELETEITEM:
816 {
817 DELETEITEMSTRUCT *dls = (DELETEITEMSTRUCT *)lparam;
818 data->ps.dls.CtlType = dls->CtlType;
819 data->ps.dls.CtlID = dls->CtlID;
820 data->ps.dls.itemID = dls->itemID;
821 data->ps.dls.hwndItem = wine_server_user_handle( dls->hwndItem );
822 data->ps.dls.itemData = dls->itemData;
823 push_data( data, &data->ps.dls, sizeof(data->ps.dls) );
824 return 0;
825 }
826 case WM_COMPAREITEM:
827 {
828 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)lparam;
829 data->ps.cis.CtlType = cis->CtlType;
830 data->ps.cis.CtlID = cis->CtlID;
831 data->ps.cis.hwndItem = wine_server_user_handle( cis->hwndItem );
832 data->ps.cis.itemID1 = cis->itemID1;
833 data->ps.cis.itemData1 = cis->itemData1;
834 data->ps.cis.itemID2 = cis->itemID2;
835 data->ps.cis.itemData2 = cis->itemData2;
836 data->ps.cis.dwLocaleId = cis->dwLocaleId;
837 push_data( data, &data->ps.cis, sizeof(data->ps.cis) );
838 return 0;
839 }
840 case WM_WINE_SETWINDOWPOS:
841 case WM_WINDOWPOSCHANGING:
842 case WM_WINDOWPOSCHANGED:
843 {
844 WINDOWPOS *wp = (WINDOWPOS *)lparam;
845 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
846 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
847 data->ps.wp.x = wp->x;
848 data->ps.wp.y = wp->y;
849 data->ps.wp.cx = wp->cx;
850 data->ps.wp.cy = wp->cy;
851 data->ps.wp.flags = wp->flags;
852 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
853 return sizeof(data->ps.wp);
854 }
855 case WM_COPYDATA:
856 {
857 COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lparam;
858 data->ps.cds.cbData = cds->cbData;
859 data->ps.cds.dwData = cds->dwData;
860 data->ps.cds.lpData = pack_ptr( cds->lpData );
861 push_data( data, &data->ps.cds, sizeof(data->ps.cds) );
862 if (cds->lpData) push_data( data, cds->lpData, cds->cbData );
863 return 0;
864 }
865 case WM_NOTIFY:
866 /* WM_NOTIFY cannot be sent across processes (MSDN) */
867 data->count = -1;
868 return 0;
869 case WM_HELP:
870 {
871 HELPINFO *hi = (HELPINFO *)lparam;
872 data->ps.hi.iContextType = hi->iContextType;
873 data->ps.hi.iCtrlId = hi->iCtrlId;
874 data->ps.hi.hItemHandle = wine_server_user_handle( hi->hItemHandle );
875 data->ps.hi.dwContextId = hi->dwContextId;
876 data->ps.hi.MousePos = hi->MousePos;
877 push_data( data, &data->ps.hi, sizeof(data->ps.hi) );
878 return 0;
879 }
880 case WM_STYLECHANGING:
881 case WM_STYLECHANGED:
882 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
883 return 0;
884 case WM_NCCALCSIZE:
885 if (!wparam)
886 {
887 push_data( data, (RECT *)lparam, sizeof(RECT) );
888 return sizeof(RECT);
889 }
890 else
891 {
892 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
893 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
894 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
895 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
896 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
897 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
898 data->ps.ncp.x = ncp->lppos->x;
899 data->ps.ncp.y = ncp->lppos->y;
900 data->ps.ncp.cx = ncp->lppos->cx;
901 data->ps.ncp.cy = ncp->lppos->cy;
902 data->ps.ncp.flags = ncp->lppos->flags;
903 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
904 return sizeof(data->ps.ncp);
905 }
906 case WM_GETDLGCODE:
907 if (lparam)
908 {
909 MSG *msg = (MSG *)lparam;
910 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
911 data->ps.msg.message = msg->message;
912 data->ps.msg.wParam = msg->wParam;
913 data->ps.msg.lParam = msg->lParam;
914 data->ps.msg.time = msg->time;
915 data->ps.msg.pt = msg->pt;
916 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
917 return sizeof(data->ps.msg);
918 }
919 return 0;
920 case SBM_SETSCROLLINFO:
921 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
922 return 0;
923 case SBM_GETSCROLLINFO:
924 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
925 return sizeof(SCROLLINFO);
926 case SBM_GETSCROLLBARINFO:
927 {
928 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
929 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
930 push_data( data, info, size );
931 return size;
932 }
933 case EM_GETSEL:
934 case SBM_GETRANGE:
935 case CB_GETEDITSEL:
936 {
937 size_t size = 0;
938 if (wparam) size += sizeof(DWORD);
939 if (lparam) size += sizeof(DWORD);
940 return size;
941 }
942 case EM_GETRECT:
943 case LB_GETITEMRECT:
944 case CB_GETDROPPEDCONTROLRECT:
945 return sizeof(RECT);
946 case EM_SETRECT:
947 case EM_SETRECTNP:
948 push_data( data, (RECT *)lparam, sizeof(RECT) );
949 return 0;
950 case EM_GETLINE:
951 {
952 WORD *pw = (WORD *)lparam;
953 push_data( data, pw, sizeof(*pw) );
954 return *pw * sizeof(WCHAR);
955 }
956 case EM_SETTABSTOPS:
957 case LB_SETTABSTOPS:
958 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
959 return 0;
960 case CB_ADDSTRING:
961 case CB_INSERTSTRING:
962 case CB_FINDSTRING:
963 case CB_FINDSTRINGEXACT:
964 case CB_SELECTSTRING:
965 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
966 return 0;
967 case CB_GETLBTEXT:
968 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
969 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
970 case LB_ADDSTRING:
971 case LB_INSERTSTRING:
972 case LB_FINDSTRING:
973 case LB_FINDSTRINGEXACT:
974 case LB_SELECTSTRING:
975 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
976 return 0;
977 case LB_GETTEXT:
978 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
979 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
980 case LB_GETSELITEMS:
981 return wparam * sizeof(UINT);
982 case WM_NEXTMENU:
983 {
984 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
985 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
986 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
987 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
988 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
989 return sizeof(data->ps.mnm);
990 }
991 case WM_SIZING:
992 case WM_MOVING:
993 push_data( data, (RECT *)lparam, sizeof(RECT) );
994 return sizeof(RECT);
995 case WM_MDICREATE:
996 {
997 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
998 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
999 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
1000 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
1001 data->ps.mcs.x = mcs->x;
1002 data->ps.mcs.y = mcs->y;
1003 data->ps.mcs.cx = mcs->cx;
1004 data->ps.mcs.cy = mcs->cy;
1005 data->ps.mcs.style = mcs->style;
1006 data->ps.mcs.lParam = mcs->lParam;
1007 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
1008 if (!IS_INTRESOURCE(mcs->szClass)) push_string( data, mcs->szClass );
1009 if (!IS_INTRESOURCE(mcs->szTitle)) push_string( data, mcs->szTitle );
1010 return sizeof(data->ps.mcs);
1011 }
1012 case WM_MDIGETACTIVE:
1013 if (lparam) return sizeof(BOOL);
1014 return 0;
1015 case WM_DEVICECHANGE:
1016 {
1017 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
1018 push_data( data, header, header->dbch_size );
1019 return 0;
1020 }
1021 case WM_WINE_KEYBOARD_LL_HOOK:
1022 {
1023 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1024 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
1025 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
1026 push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
1027 return 0;
1028 }
1029 case WM_WINE_MOUSE_LL_HOOK:
1030 {
1031 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1032 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
1033 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
1034 push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
1035 return 0;
1036 }
1037 case WM_NCPAINT:
1038 if (wparam <= 1) return 0;
1039 FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
1040 data->count = -1;
1041 return 0;
1042 case WM_PAINT:
1043 if (!wparam) return 0;
1044 /* fall through */
1045
1046 /* these contain an HFONT */
1047 case WM_SETFONT:
1048 case WM_GETFONT:
1049 /* these contain an HDC */
1050 case WM_ERASEBKGND:
1051 case WM_ICONERASEBKGND:
1052 case WM_CTLCOLORMSGBOX:
1053 case WM_CTLCOLOREDIT:
1054 case WM_CTLCOLORLISTBOX:
1055 case WM_CTLCOLORBTN:
1056 case WM_CTLCOLORDLG:
1057 case WM_CTLCOLORSCROLLBAR:
1058 case WM_CTLCOLORSTATIC:
1059 case WM_PRINT:
1060 case WM_PRINTCLIENT:
1061 /* these contain an HGLOBAL */
1062 case WM_PAINTCLIPBOARD:
1063 case WM_SIZECLIPBOARD:
1064 /* these contain HICON */
1065 case WM_GETICON:
1066 case WM_SETICON:
1067 case WM_QUERYDRAGICON:
1068 case WM_QUERYPARKICON:
1069 /* these contain pointers */
1070 case WM_DROPOBJECT:
1071 case WM_QUERYDROPOBJECT:
1072 case WM_DRAGLOOP:
1073 case WM_DRAGSELECT:
1074 case WM_DRAGMOVE:
1075 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
1076 data->count = -1;
1077 return 0;
1078 }
1079 return 0;
1080 }
1081
1082
1083 /***********************************************************************
1084 * unpack_message
1085 *
1086 * Unpack a message received from another process.
1087 */
1088 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1089 void **buffer, size_t size )
1090 {
1091 size_t minsize = 0;
1092 union packed_structs *ps = *buffer;
1093
1094 switch(message)
1095 {
1096 case WM_NCCREATE:
1097 case WM_CREATE:
1098 {
1099 CREATESTRUCTW cs;
1100 WCHAR *str = (WCHAR *)(&ps->cs + 1);
1101 if (size < sizeof(ps->cs)) return FALSE;
1102 size -= sizeof(ps->cs);
1103 cs.lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
1104 cs.hInstance = unpack_ptr( ps->cs.hInstance );
1105 cs.hMenu = wine_server_ptr_handle( ps->cs.hMenu );
1106 cs.hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
1107 cs.cy = ps->cs.cy;
1108 cs.cx = ps->cs.cx;
1109 cs.y = ps->cs.y;
1110 cs.x = ps->cs.x;
1111 cs.style = ps->cs.style;
1112 cs.dwExStyle = ps->cs.dwExStyle;
1113 cs.lpszName = unpack_ptr( ps->cs.lpszName );
1114 cs.lpszClass = unpack_ptr( ps->cs.lpszClass );
1115 if (ps->cs.lpszName >> 16)
1116 {
1117 if (!check_string( str, size )) return FALSE;
1118 cs.lpszName = str;
1119 size -= (strlenW(str) + 1) * sizeof(WCHAR);
1120 str += strlenW(str) + 1;
1121 }
1122 if (ps->cs.lpszClass >> 16)
1123 {
1124 if (!check_string( str, size )) return FALSE;
1125 cs.lpszClass = str;
1126 }
1127 memcpy( &ps->cs, &cs, sizeof(cs) );
1128 break;
1129 }
1130 case WM_GETTEXT:
1131 case WM_ASKCBFORMATNAME:
1132 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
1133 break;
1134 case WM_WININICHANGE:
1135 if (!*lparam) return TRUE;
1136 /* fall through */
1137 case WM_SETTEXT:
1138 case WM_DEVMODECHANGE:
1139 case CB_DIR:
1140 case LB_DIR:
1141 case LB_ADDFILE:
1142 case EM_REPLACESEL:
1143 if (!check_string( *buffer, size )) return FALSE;
1144 break;
1145 case WM_GETMINMAXINFO:
1146 minsize = sizeof(MINMAXINFO);
1147 break;
1148 case WM_DRAWITEM:
1149 {
1150 DRAWITEMSTRUCT dis;
1151 if (size < sizeof(ps->dis)) return FALSE;
1152 dis.CtlType = ps->dis.CtlType;
1153 dis.CtlID = ps->dis.CtlID;
1154 dis.itemID = ps->dis.itemID;
1155 dis.itemAction = ps->dis.itemAction;
1156 dis.itemState = ps->dis.itemState;
1157 dis.hwndItem = wine_server_ptr_handle( ps->dis.hwndItem );
1158 dis.hDC = wine_server_ptr_handle( ps->dis.hDC );
1159 dis.rcItem = ps->dis.rcItem;
1160 dis.itemData = (ULONG_PTR)unpack_ptr( ps->dis.itemData );
1161 memcpy( &ps->dis, &dis, sizeof(dis) );
1162 break;
1163 }
1164 case WM_MEASUREITEM:
1165 {
1166 MEASUREITEMSTRUCT mis;
1167 if (size < sizeof(ps->mis)) return FALSE;
1168 mis.CtlType = ps->mis.CtlType;
1169 mis.CtlID = ps->mis.CtlID;
1170 mis.itemID = ps->mis.itemID;
1171 mis.itemWidth = ps->mis.itemWidth;
1172 mis.itemHeight = ps->mis.itemHeight;
1173 mis.itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
1174 memcpy( &ps->mis, &mis, sizeof(mis) );
1175 break;
1176 }
1177 case WM_DELETEITEM:
1178 {
1179 DELETEITEMSTRUCT dls;
1180 if (size < sizeof(ps->dls)) return FALSE;
1181 dls.CtlType = ps->dls.CtlType;
1182 dls.CtlID = ps->dls.CtlID;
1183 dls.itemID = ps->dls.itemID;
1184 dls.hwndItem = wine_server_ptr_handle( ps->dls.hwndItem );
1185 dls.itemData = (ULONG_PTR)unpack_ptr( ps->dls.itemData );
1186 memcpy( &ps->dls, &dls, sizeof(dls) );
1187 break;
1188 }
1189 case WM_COMPAREITEM:
1190 {
1191 COMPAREITEMSTRUCT cis;
1192 if (size < sizeof(ps->cis)) return FALSE;
1193 cis.CtlType = ps->cis.CtlType;
1194 cis.CtlID = ps->cis.CtlID;
1195 cis.hwndItem = wine_server_ptr_handle( ps->cis.hwndItem );
1196 cis.itemID1 = ps->cis.itemID1;
1197 cis.itemData1 = (ULONG_PTR)unpack_ptr( ps->cis.itemData1 );
1198 cis.itemID2 = ps->cis.itemID2;
1199 cis.itemData2 = (ULONG_PTR)unpack_ptr( ps->cis.itemData2 );
1200 cis.dwLocaleId = ps->cis.dwLocaleId;
1201 memcpy( &ps->cis, &cis, sizeof(cis) );
1202 break;
1203 }
1204 case WM_WINDOWPOSCHANGING:
1205 case WM_WINDOWPOSCHANGED:
1206 case WM_WINE_SETWINDOWPOS:
1207 {
1208 WINDOWPOS wp;
1209 if (size < sizeof(ps->wp)) return FALSE;
1210 wp.hwnd = wine_server_ptr_handle( ps->wp.hwnd );
1211 wp.hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
1212 wp.x = ps->wp.x;
1213 wp.y = ps->wp.y;
1214 wp.cx = ps->wp.cx;
1215 wp.cy = ps->wp.cy;
1216 wp.flags = ps->wp.flags;
1217 memcpy( &ps->wp, &wp, sizeof(wp) );
1218 break;
1219 }
1220 case WM_COPYDATA:
1221 {
1222 COPYDATASTRUCT cds;
1223 if (size < sizeof(ps->cds)) return FALSE;
1224 cds.dwData = (ULONG_PTR)unpack_ptr( ps->cds.dwData );
1225 if (ps->cds.lpData)
1226 {
1227 cds.cbData = ps->cds.cbData;
1228 cds.lpData = &ps->cds + 1;
1229 minsize = sizeof(ps->cds) + cds.cbData;
1230 }
1231 else
1232 {
1233 cds.cbData = 0;
1234 cds.lpData = 0;
1235 }
1236 memcpy( &ps->cds, &cds, sizeof(cds) );
1237 break;
1238 }
1239 case WM_NOTIFY:
1240 /* WM_NOTIFY cannot be sent across processes (MSDN) */
1241 return FALSE;
1242 case WM_HELP:
1243 {
1244 HELPINFO hi;
1245 if (size < sizeof(ps->hi)) return FALSE;
1246 hi.cbSize = sizeof(hi);
1247 hi.iContextType = ps->hi.iContextType;
1248 hi.iCtrlId = ps->hi.iCtrlId;
1249 hi.hItemHandle = wine_server_ptr_handle( ps->hi.hItemHandle );
1250 hi.dwContextId = (ULONG_PTR)unpack_ptr( ps->hi.dwContextId );
1251 hi.MousePos = ps->hi.MousePos;
1252 memcpy( &ps->hi, &hi, sizeof(hi) );
1253 break;
1254 }
1255 case WM_STYLECHANGING:
1256 case WM_STYLECHANGED:
1257 minsize = sizeof(STYLESTRUCT);
1258 break;
1259 case WM_NCCALCSIZE:
1260 if (!*wparam) minsize = sizeof(RECT);
1261 else
1262 {
1263 NCCALCSIZE_PARAMS ncp;
1264 WINDOWPOS wp;
1265 if (size < sizeof(ps->ncp)) return FALSE;
1266 ncp.rgrc[0] = ps->ncp.rgrc[0];
1267 ncp.rgrc[1] = ps->ncp.rgrc[1];
1268 ncp.rgrc[2] = ps->ncp.rgrc[2];
1269 wp.hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1270 wp.hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1271 wp.x = ps->ncp.x;
1272 wp.y = ps->ncp.y;
1273 wp.cx = ps->ncp.cx;
1274 wp.cy = ps->ncp.cy;
1275 wp.flags = ps->ncp.flags;
1276 ncp.lppos = (WINDOWPOS *)((NCCALCSIZE_PARAMS *)&ps->ncp + 1);
1277 memcpy( &ps->ncp, &ncp, sizeof(ncp) );
1278 *ncp.lppos = wp;
1279 }
1280 break;
1281 case WM_GETDLGCODE:
1282 if (*lparam)
1283 {
1284 MSG msg;
1285 if (size < sizeof(ps->msg)) return FALSE;
1286 msg.hwnd = wine_server_ptr_handle( ps->msg.hwnd );
1287 msg.message = ps->msg.message;
1288 msg.wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
1289 msg.lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
1290 msg.time = ps->msg.time;
1291 msg.pt = ps->msg.pt;
1292 memcpy( &ps->msg, &msg, sizeof(msg) );
1293 break;
1294 }
1295 return TRUE;
1296 case SBM_SETSCROLLINFO:
1297 minsize = sizeof(SCROLLINFO);
1298 break;
1299 case SBM_GETSCROLLINFO:
1300 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
1301 break;
1302 case SBM_GETSCROLLBARINFO:
1303 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
1304 break;
1305 case EM_GETSEL:
1306 case SBM_GETRANGE:
1307 case CB_GETEDITSEL:
1308 if (*wparam || *lparam)
1309 {
1310 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
1311 if (*wparam) *wparam = (WPARAM)*buffer;
1312 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
1313 }
1314 return TRUE;
1315 case EM_GETRECT:
1316 case LB_GETITEMRECT:
1317 case CB_GETDROPPEDCONTROLRECT:
1318 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
1319 break;
1320 case EM_SETRECT:
1321 case EM_SETRECTNP:
1322 minsize = sizeof(RECT);
1323 break;
1324 case EM_GETLINE:
1325 {
1326 WORD len;
1327 if (size < sizeof(WORD)) return FALSE;
1328 len = *(WORD *)*buffer;
1329 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
1330 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
1331 return TRUE;
1332 }
1333 case EM_SETTABSTOPS:
1334 case LB_SETTABSTOPS:
1335 if (!*wparam) return TRUE;
1336 minsize = *wparam * sizeof(UINT);
1337 break;
1338 case CB_ADDSTRING:
1339 case CB_INSERTSTRING:
1340 case CB_FINDSTRING:
1341 case CB_FINDSTRINGEXACT:
1342 case CB_SELECTSTRING:
1343 case LB_ADDSTRING:
1344 case LB_INSERTSTRING:
1345 case LB_FINDSTRING:
1346 case LB_FINDSTRINGEXACT:
1347 case LB_SELECTSTRING:
1348 if (!*buffer) return TRUE;
1349 if (!check_string( *buffer, size )) return FALSE;
1350 break;
1351 case CB_GETLBTEXT:
1352 {
1353 size = sizeof(ULONG_PTR);
1354 if (combobox_has_strings( hwnd ))
1355 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
1356 if (!get_buffer_space( buffer, size )) return FALSE;
1357 break;
1358 }
1359 case LB_GETTEXT:
1360 {
1361 size = sizeof(ULONG_PTR);
1362 if (listbox_has_strings( hwnd ))
1363 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
1364 if (!get_buffer_space( buffer, size )) return FALSE;
1365 break;
1366 }
1367 case LB_GETSELITEMS:
1368 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
1369 break;
1370 case WM_NEXTMENU:
1371 {
1372 MDINEXTMENU mnm;
1373 if (size < sizeof(ps->mnm)) return FALSE;
1374 mnm.hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
1375 mnm.hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
1376 mnm.hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
1377 memcpy( &ps->mnm, &mnm, sizeof(mnm) );
1378 break;
1379 }
1380 case WM_SIZING:
1381 case WM_MOVING:
1382 minsize = sizeof(RECT);
1383 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
1384 break;
1385 case WM_MDICREATE:
1386 {
1387 MDICREATESTRUCTW mcs;
1388 WCHAR *str = (WCHAR *)(&ps->mcs + 1);
1389 if (size < sizeof(ps->mcs)) return FALSE;
1390 size -= sizeof(ps->mcs);
1391
1392 mcs.szClass = unpack_ptr( ps->mcs.szClass );
1393 mcs.szTitle = unpack_ptr( ps->mcs.szTitle );
1394 mcs.hOwner = unpack_ptr( ps->mcs.hOwner );
1395 mcs.x = ps->mcs.x;
1396 mcs.y = ps->mcs.y;
1397 mcs.cx = ps->mcs.cx;
1398 mcs.cy = ps->mcs.cy;
1399 mcs.style = ps->mcs.style;
1400 mcs.lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1401 if (ps->mcs.szClass >> 16)
1402 {
1403 if (!check_string( str, size )) return FALSE;
1404 mcs.szClass = str;
1405 size -= (strlenW(str) + 1) * sizeof(WCHAR);
1406 str += strlenW(str) + 1;
1407 }
1408 if (ps->mcs.szTitle >> 16)
1409 {
1410 if (!check_string( str, size )) return FALSE;
1411 mcs.szTitle = str;
1412 }
1413 memcpy( &ps->mcs, &mcs, sizeof(mcs) );
1414 break;
1415 }
1416 case WM_MDIGETACTIVE:
1417 if (!*lparam) return TRUE;
1418 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
1419 break;
1420 case WM_DEVICECHANGE:
1421 minsize = sizeof(DEV_BROADCAST_HDR);
1422 break;
1423 case WM_WINE_KEYBOARD_LL_HOOK:
1424 case WM_WINE_MOUSE_LL_HOOK:
1425 {
1426 struct hook_extra_info h_extra;
1427 minsize = sizeof(ps->hook) +
1428 (message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
1429 : sizeof(MSLLHOOKSTRUCT));
1430 if (size < minsize) return FALSE;
1431 h_extra.handle = wine_server_ptr_handle( ps->hook.handle );
1432 h_extra.lparam = (LPARAM)(&ps->hook + 1);
1433 memcpy( &ps->hook, &h_extra, sizeof(h_extra) );
1434 break;
1435 }
1436 case WM_NCPAINT:
1437 if (*wparam <= 1) return TRUE;
1438 FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
1439 return FALSE;
1440 case WM_PAINT:
1441 if (!*wparam) return TRUE;
1442 /* fall through */
1443
1444 /* these contain an HFONT */
1445 case WM_SETFONT:
1446 case WM_GETFONT:
1447 /* these contain an HDC */
1448 case WM_ERASEBKGND:
1449 case WM_ICONERASEBKGND:
1450 case WM_CTLCOLORMSGBOX:
1451 case WM_CTLCOLOREDIT:
1452 case WM_CTLCOLORLISTBOX:
1453 case WM_CTLCOLORBTN:
1454 case WM_CTLCOLORDLG:
1455 case WM_CTLCOLORSCROLLBAR:
1456 case WM_CTLCOLORSTATIC:
1457 case WM_PRINT:
1458 case WM_PRINTCLIENT:
1459 /* these contain an HGLOBAL */
1460 case WM_PAINTCLIPBOARD:
1461 case WM_SIZECLIPBOARD:
1462 /* these contain HICON */
1463 case WM_GETICON:
1464 case WM_SETICON:
1465 case WM_QUERYDRAGICON:
1466 case WM_QUERYPARKICON:
1467 /* these contain pointers */
1468 case WM_DROPOBJECT:
1469 case WM_QUERYDROPOBJECT:
1470 case WM_DRAGLOOP:
1471 case WM_DRAGSELECT:
1472 case WM_DRAGMOVE:
1473 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
1474 return FALSE;
1475
1476 default:
1477 return TRUE; /* message doesn't need any unpacking */
1478 }
1479
1480 /* default exit for most messages: check minsize and store buffer in lparam */
1481 if (size < minsize) return FALSE;
1482 *lparam = (LPARAM)*buffer;
1483 return TRUE;
1484 }
1485
1486
1487 /***********************************************************************
1488 * pack_reply
1489 *
1490 * Pack a reply to a message for sending to another process.
1491 */
1492 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1493 LRESULT res, struct packed_message *data )
1494 {
1495 data->count = 0;
1496 switch(message)
1497 {
1498 case WM_NCCREATE:
1499 case WM_CREATE:
1500 {
1501 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1502 data->ps.cs.lpCreateParams = (ULONG_PTR)cs->lpCreateParams;
1503 data->ps.cs.hInstance = (ULONG_PTR)cs->hInstance;
1504 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
1505 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
1506 data->ps.cs.cy = cs->cy;
1507 data->ps.cs.cx = cs->cx;
1508 data->ps.cs.y = cs->y;
1509 data->ps.cs.x = cs->x;
1510 data->ps.cs.style = cs->style;
1511 data->ps.cs.dwExStyle = cs->dwExStyle;
1512 data->ps.cs.lpszName = (ULONG_PTR)cs->lpszName;
1513 data->ps.cs.lpszClass = (ULONG_PTR)cs->lpszClass;
1514 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
1515 break;
1516 }
1517 case WM_GETTEXT:
1518 case CB_GETLBTEXT:
1519 case LB_GETTEXT:
1520 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
1521 break;
1522 case WM_GETMINMAXINFO:
1523 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
1524 break;
1525 case WM_MEASUREITEM:
1526 {
1527 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
1528 data->ps.mis.CtlType = mis->CtlType;
1529 data->ps.mis.CtlID = mis->CtlID;
1530 data->ps.mis.itemID = mis->itemID;
1531 data->ps.mis.itemWidth = mis->itemWidth;
1532 data->ps.mis.itemHeight = mis->itemHeight;
1533 data->ps.mis.itemData = mis->itemData;
1534 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
1535 break;
1536 }
1537 case WM_WINDOWPOSCHANGING:
1538 case WM_WINDOWPOSCHANGED:
1539 {
1540 WINDOWPOS *wp = (WINDOWPOS *)lparam;
1541 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
1542 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
1543 data->ps.wp.x = wp->x;
1544 data->ps.wp.y = wp->y;
1545 data->ps.wp.cx = wp->cx;
1546 data->ps.wp.cy = wp->cy;
1547 data->ps.wp.flags = wp->flags;
1548 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
1549 break;
1550 }
1551 case WM_GETDLGCODE:
1552 if (lparam)
1553 {
1554 MSG *msg = (MSG *)lparam;
1555 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
1556 data->ps.msg.message = msg->message;
1557 data->ps.msg.wParam = msg->wParam;
1558 data->ps.msg.lParam = msg->lParam;
1559 data->ps.msg.time = msg->time;
1560 data->ps.msg.pt = msg->pt;
1561 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
1562 }
1563 break;
1564 case SBM_GETSCROLLINFO:
1565 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
1566 break;
1567 case EM_GETRECT:
1568 case LB_GETITEMRECT:
1569 case CB_GETDROPPEDCONTROLRECT:
1570 case WM_SIZING:
1571 case WM_MOVING:
1572 push_data( data, (RECT *)lparam, sizeof(RECT) );
1573 break;
1574 case EM_GETLINE:
1575 {
1576 WORD *ptr = (WORD *)lparam;
1577 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
1578 break;
1579 }
1580 case LB_GETSELITEMS:
1581 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
1582 break;
1583 case WM_MDIGETACTIVE:
1584 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
1585 break;
1586 case WM_NCCALCSIZE:
1587 if (!wparam)
1588 push_data( data, (RECT *)lparam, sizeof(RECT) );
1589 else
1590 {
1591 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1592 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
1593 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
1594 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
1595 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
1596 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
1597 data->ps.ncp.x = ncp->lppos->x;
1598 data->ps.ncp.y = ncp->lppos->y;
1599 data->ps.ncp.cx = ncp->lppos->cx;
1600 data->ps.ncp.cy = ncp->lppos->cy;
1601 data->ps.ncp.flags = ncp->lppos->flags;
1602 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
1603 }
1604 break;
1605 case EM_GETSEL:
1606 case SBM_GETRANGE:
1607 case CB_GETEDITSEL:
1608 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
1609 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
1610 break;
1611 case WM_NEXTMENU:
1612 {
1613 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
1614 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
1615 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
1616 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
1617 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
1618 break;
1619 }
1620 case WM_MDICREATE:
1621 {
1622 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1623 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
1624 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
1625 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
1626 data->ps.mcs.x = mcs->x;
1627 data->ps.mcs.y = mcs->y;
1628 data->ps.mcs.cx = mcs->cx;
1629 data->ps.mcs.cy = mcs->cy;
1630 data->ps.mcs.style = mcs->style;
1631 data->ps.mcs.lParam = mcs->lParam;
1632 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
1633 break;
1634 }
1635 case WM_ASKCBFORMATNAME:
1636 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1637 break;
1638 }
1639 }
1640
1641
1642 /***********************************************************************
1643 * unpack_reply
1644 *
1645 * Unpack a message reply received from another process.
1646 */
1647 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1648 void *buffer, size_t size )
1649 {
1650 union packed_structs *ps = buffer;
1651
1652 switch(message)
1653 {
1654 case WM_NCCREATE:
1655 case WM_CREATE:
1656 if (size >= sizeof(ps->cs))
1657 {
1658 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1659 cs->lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
1660 cs->hInstance = unpack_ptr( ps->cs.hInstance );
1661 cs->hMenu = wine_server_ptr_handle( ps->cs.hMenu );
1662 cs->hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
1663 cs->cy = ps->cs.cy;
1664 cs->cx = ps->cs.cx;
1665 cs->y = ps->cs.y;
1666 cs->x = ps->cs.x;
1667 cs->style = ps->cs.style;
1668 cs->dwExStyle = ps->cs.dwExStyle;
1669 /* don't allow changing name and class pointers */
1670 }
1671 break;
1672 case WM_GETTEXT:
1673 case WM_ASKCBFORMATNAME:
1674 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1675 break;
1676 case WM_GETMINMAXINFO:
1677 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1678 break;
1679 case WM_MEASUREITEM:
1680 if (size >= sizeof(ps->mis))
1681 {
1682 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
1683 mis->CtlType = ps->mis.CtlType;
1684 mis->CtlID = ps->mis.CtlID;
1685 mis->itemID = ps->mis.itemID;
1686 mis->itemWidth = ps->mis.itemWidth;
1687 mis->itemHeight = ps->mis.itemHeight;
1688 mis->itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
1689 }
1690 break;
1691 case WM_WINDOWPOSCHANGING:
1692 case WM_WINDOWPOSCHANGED:
1693 if (size >= sizeof(ps->wp))
1694 {
1695 WINDOWPOS *wp = (WINDOWPOS *)lparam;
1696 wp->hwnd = wine_server_ptr_handle( ps->wp.hwnd );
1697 wp->hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
1698 wp->x = ps->wp.x;
1699 wp->y = ps->wp.y;
1700 wp->cx = ps->wp.cx;
1701 wp->cy = ps->wp.cy;
1702 wp->flags = ps->wp.flags;
1703 }
1704 break;
1705 case WM_GETDLGCODE:
1706 if (lparam && size >= sizeof(ps->msg))
1707 {
1708 MSG *msg = (MSG *)lparam;
1709 msg->hwnd = wine_server_ptr_handle( ps->msg.hwnd );
1710 msg->message = ps->msg.message;
1711 msg->wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
1712 msg->lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
1713 msg->time = ps->msg.time;
1714 msg->pt = ps->msg.pt;
1715 }
1716 break;
1717 case SBM_GETSCROLLINFO:
1718 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1719 break;
1720 case SBM_GETSCROLLBARINFO:
1721 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1722 break;
1723 case EM_GETRECT:
1724 case CB_GETDROPPEDCONTROLRECT:
1725 case LB_GETITEMRECT:
1726 case WM_SIZING:
1727 case WM_MOVING:
1728 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1729 break;
1730 case EM_GETLINE:
1731 size = min( size, (size_t)*(WORD *)lparam );
1732 memcpy( (WCHAR *)lparam, buffer, size );
1733 break;
1734 case LB_GETSELITEMS:
1735 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1736 break;
1737 case LB_GETTEXT:
1738 case CB_GETLBTEXT:
1739 memcpy( (WCHAR *)lparam, buffer, size );
1740 break;
1741 case WM_NEXTMENU:
1742 if (size >= sizeof(ps->mnm))
1743 {
1744 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
1745 mnm->hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
1746 mnm->hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
1747 mnm->hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
1748 }
1749 break;
1750 case WM_MDIGETACTIVE:
1751 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1752 break;
1753 case WM_NCCALCSIZE:
1754 if (!wparam)
1755 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1756 else if (size >= sizeof(ps->ncp))
1757 {
1758 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1759 ncp->rgrc[0] = ps->ncp.rgrc[0];
1760 ncp->rgrc[1] = ps->ncp.rgrc[1];
1761 ncp->rgrc[2] = ps->ncp.rgrc[2];
1762 ncp->lppos->hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1763 ncp->lppos->hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1764 ncp->lppos->x = ps->ncp.x;
1765 ncp->lppos->y = ps->ncp.y;
1766 ncp->lppos->cx = ps->ncp.cx;
1767 ncp->lppos->cy = ps->ncp.cy;
1768 ncp->lppos->flags = ps->ncp.flags;
1769 }
1770 break;
1771 case EM_GETSEL:
1772 case SBM_GETRANGE:
1773 case CB_GETEDITSEL:
1774 if (wparam)
1775 {
1776 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1777 if (size <= sizeof(DWORD)) break;
1778 size -= sizeof(DWORD);
1779 buffer = (DWORD *)buffer + 1;
1780 }
1781 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1782 break;
1783 case WM_MDICREATE:
1784 if (size >= sizeof(ps->mcs))
1785 {
1786 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1787 mcs->hOwner = unpack_ptr( ps->mcs.hOwner );
1788 mcs->x = ps->mcs.x;
1789 mcs->y = ps->mcs.y;
1790 mcs->cx = ps->mcs.cx;
1791 mcs->cy = ps->mcs.cy;
1792 mcs->style = ps->mcs.style;
1793 mcs->lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1794 /* don't allow changing class and title pointers */
1795 }
1796 break;
1797 default:
1798 ERR( "should not happen: unexpected message %x\n", message );
1799 break;
1800 }
1801 }
1802
1803
1804 /***********************************************************************
1805 * reply_message
1806 *
1807 * Send a reply to a sent message.
1808 */
1809 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1810 {
1811 struct packed_message data;
1812 int i, replied = info->flags & ISMEX_REPLIED;
1813
1814 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1815 if (!remove && replied) return; /* replied already */
1816
1817 memset( &data, 0, sizeof(data) );
1818 info->flags |= ISMEX_REPLIED;
1819
1820 if (info->type == MSG_OTHER_PROCESS && !replied)
1821 {
1822 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1823 info->msg.lParam, result, &data );
1824 }
1825
1826 SERVER_START_REQ( reply_message )
1827 {
1828 req->result = result;
1829 req->remove = remove;
1830 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1831 wine_server_call( req );
1832 }
1833 SERVER_END_REQ;
1834 }
1835
1836
1837 /***********************************************************************
1838 * handle_internal_message
1839 *
1840 * Handle an internal Wine message instead of calling the window proc.
1841 */
1842 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1843 {
1844 switch(msg)
1845 {
1846 case WM_WINE_DESTROYWINDOW:
1847 return WIN_DestroyWindow( hwnd );
1848 case WM_WINE_SETWINDOWPOS:
1849 if (is_desktop_window( hwnd )) return 0;
1850 return USER_SetWindowPos( (WINDOWPOS *)lparam );
1851 case WM_WINE_SHOWWINDOW:
1852 if (is_desktop_window( hwnd )) return 0;
1853 return ShowWindow( hwnd, wparam );
1854 case WM_WINE_SETPARENT:
1855 if (is_desktop_window( hwnd )) return 0;
1856 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1857 case WM_WINE_SETWINDOWLONG:
1858 return WIN_SetWindowLong( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, TRUE );
1859 case WM_WINE_ENABLEWINDOW:
1860 if (is_desktop_window( hwnd )) return 0;
1861 return EnableWindow( hwnd, wparam );
1862 case WM_WINE_SETACTIVEWINDOW:
1863 if (is_desktop_window( hwnd )) return 0;
1864 return (LRESULT)SetActiveWindow( (HWND)wparam );
1865 case WM_WINE_KEYBOARD_LL_HOOK:
1866 case WM_WINE_MOUSE_LL_HOOK:
1867 {
1868 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1869
1870 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1871 }
1872 case WM_WINE_CLIPCURSOR:
1873 if (wparam)
1874 {
1875 RECT rect;
1876 GetClipCursor( &rect );
1877 return USER_Driver->pClipCursor( &rect );
1878 }
1879 return USER_Driver->pClipCursor( NULL );
1880 default:
1881 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1882 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1883 FIXME( "unknown internal message %x\n", msg );
1884 return 0;
1885 }
1886 }
1887
1888 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1889 * to the memory handle, we keep track (in the server side) of all pairs of handle
1890 * used (the client passes its value and the content of the memory handle), and
1891 * the server stored both values (the client, and the local one, created after the
1892 * content). When a ACK message is generated, the list of pair is searched for a
1893 * matching pair, so that the client memory handle can be returned.
1894 */
1895 struct DDE_pair {
1896 HGLOBAL client_hMem;
1897 HGLOBAL server_hMem;
1898 };
1899
1900 static struct DDE_pair* dde_pairs;
1901 static int dde_num_alloc;
1902 static int dde_num_used;
1903
1904 static CRITICAL_SECTION dde_crst;
1905 static CRITICAL_SECTION_DEBUG critsect_debug =
1906 {
1907 0, 0, &dde_crst,
1908 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1909 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1910 };
1911 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1912
1913 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1914 {
1915 int i;
1916 #define GROWBY 4
1917
1918 EnterCriticalSection(&dde_crst);
1919
1920 /* now remember the pair of hMem on both sides */
1921 if (dde_num_used == dde_num_alloc)
1922 {
1923 struct DDE_pair* tmp;
1924 if (dde_pairs)
1925 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1926 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1927 else
1928 tmp = HeapAlloc( GetProcessHeap(), 0,
1929 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1930
1931 if (!tmp)
1932 {
1933 LeaveCriticalSection(&dde_crst);
1934 return FALSE;
1935 }
1936 dde_pairs = tmp;
1937 /* zero out newly allocated part */
1938 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1939 dde_num_alloc += GROWBY;
1940 }
1941 #undef GROWBY
1942 for (i = 0; i < dde_num_alloc; i++)
1943 {
1944 if (dde_pairs[i].server_hMem == 0)
1945 {
1946 dde_pairs[i].client_hMem = chm;
1947 dde_pairs[i].server_hMem = shm;
1948 dde_num_used++;
1949 break;
1950 }
1951 }
1952 LeaveCriticalSection(&dde_crst);
1953 return TRUE;
1954 }
1955
1956 static HGLOBAL dde_get_pair(HGLOBAL shm)
1957 {
1958 int i;
1959 HGLOBAL ret = 0;
1960
1961 EnterCriticalSection(&dde_crst);
1962 for (i = 0; i < dde_num_alloc; i++)
1963 {
1964 if (dde_pairs[i].server_hMem == shm)
1965 {
1966 /* free this pair */
1967 dde_pairs[i].server_hMem = 0;
1968 dde_num_used--;
1969 ret = dde_pairs[i].client_hMem;
1970 break;
1971 }
1972 }
1973 LeaveCriticalSection(&dde_crst);
1974 return ret;
1975 }
1976
1977 /***********************************************************************
1978 * post_dde_message
1979 *
1980 * Post a DDE message
1981 */
1982 static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
1983 {
1984 void* ptr = NULL;
1985 int size = 0;
1986 UINT_PTR uiLo, uiHi;
1987 LPARAM lp = 0;
1988 HGLOBAL hunlock = 0;
1989 int i;
1990 DWORD res;
1991
1992 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1993 return FALSE;
1994
1995 lp = info->lparam;
1996 switch (info->msg)
1997 {
1998 /* DDE messages which don't require packing are:
1999 * WM_DDE_INITIATE
2000 * WM_DDE_TERMINATE
2001 * WM_DDE_REQUEST
2002 * WM_DDE_UNADVISE
2003 */
2004 case WM_DDE_ACK:
2005 if (HIWORD(uiHi))
2006 {
2007 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
2008 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
2009 if (h)
2010 {
2011 ULONGLONG hpack = pack_ptr( h );
2012 /* send back the value of h on the other side */
2013 push_data( data, &hpack, sizeof(hpack) );
2014 lp = uiLo;
2015 TRACE( "send dde-ack %lx %08lx => %p\n", uiLo, uiHi, h );
2016 }
2017 }
2018 else
2019 {
2020 /* uiHi should contain either an atom or 0 */
2021 TRACE( "send dde-ack %lx atom=%lx\n", uiLo, uiHi );
2022 lp = MAKELONG( uiLo, uiHi );
2023 }
2024 break;
2025 case WM_DDE_ADVISE:
2026 case WM_DDE_DATA:
2027 case WM_DDE_POKE:
2028 size = 0;
2029 if (uiLo)
2030 {
2031 size = GlobalSize( (HGLOBAL)uiLo ) ;
2032 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
2033 (info->msg == WM_DDE_DATA && size < FIELD_OFFSET(DDEDATA, Value)) ||
2034 (info->msg == WM_DDE_POKE && size < FIELD_OFFSET(DDEPOKE, Value))
2035 )
2036 return FALSE;
2037 }
2038 else if (info->msg != WM_DDE_DATA) return FALSE;
2039
2040 lp = uiHi;
2041 if (uiLo)
2042 {
2043 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
2044 {
2045 DDEDATA *dde_data = ptr;
2046 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
2047 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
2048 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
2049 push_data( data, ptr, size );
2050 hunlock = (HGLOBAL)uiLo;
2051 }
2052 }
2053 TRACE( "send ddepack %u %lx\n", size, uiHi );
2054 break;
2055 case WM_DDE_EXECUTE:
2056 if (info->lparam)
2057 {
2058 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
2059 {
2060 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
2061 /* so that the other side can send it back on ACK */
2062 lp = info->lparam;
2063 hunlock = (HGLOBAL)info->lparam;
2064 }
2065 }
2066 break;
2067 }
2068 SERVER_START_REQ( send_message )
2069 {
2070 req->id = info->dest_tid;
2071 req->type = info->type;
2072 req->flags = 0;
2073 req->win = wine_server_user_handle( info->hwnd );
2074 req->msg = info->msg;
2075 req->wparam = info->wparam;
2076 req->lparam = lp;
2077 req->timeout = TIMEOUT_INFINITE;
2078 for (i = 0; i < data->count; i++)
2079 wine_server_add_data( req, data->data[i], data->size[i] );
2080 if ((res = wine_server_call( req )))
2081 {
2082 if (res == STATUS_INVALID_PARAMETER)
2083 /* FIXME: find a STATUS_ value for this one */
2084 SetLastError( ERROR_INVALID_THREAD_ID );
2085 else
2086 SetLastError( RtlNtStatusToDosError(res) );
2087 }
2088 else
2089 FreeDDElParam(info->msg, info->lparam);
2090 }
2091 SERVER_END_REQ;
2092 if (hunlock) GlobalUnlock(hunlock);
2093
2094 return !res;
2095 }
2096
2097 /***********************************************************************
2098 * unpack_dde_message
2099 *
2100 * Unpack a posted DDE message received from another process.
2101 */
2102 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
2103 void **buffer, size_t size )
2104 {
2105 UINT_PTR uiLo, uiHi;
2106 HGLOBAL hMem = 0;
2107 void* ptr;
2108
2109 switch (message)
2110 {
2111 case WM_DDE_ACK:
2112 if (size)
2113 {
2114 ULONGLONG hpack;
2115 /* hMem is being passed */
2116 if (size != sizeof(hpack)) return FALSE;
2117 if (!buffer || !*buffer) return FALSE;
2118 uiLo = *lparam;
2119 memcpy( &hpack, *buffer, size );
2120 hMem = unpack_ptr( hpack );
2121 uiHi = (UINT_PTR)hMem;
2122 TRACE("recv dde-ack %lx mem=%lx[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
2123 }
2124 else
2125 {
2126 uiLo = LOWORD( *lparam );
2127 uiHi = HIWORD( *lparam );
2128 TRACE("recv dde-ack %lx atom=%lx\n", uiLo, uiHi);
2129 }
2130 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
2131 break;
2132 case WM_DDE_ADVISE:
2133 case WM_DDE_DATA:
2134 case WM_DDE_POKE:
2135 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
2136 uiHi = *lparam;
2137 if (size)
2138 {
2139 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
2140 return FALSE;
2141 if ((ptr = GlobalLock( hMem )))
2142 {
2143 memcpy( ptr, *buffer, size );
2144 GlobalUnlock( hMem );
2145 }
2146 else
2147 {
2148 GlobalFree( hMem );
2149 return FALSE;
2150 }
2151 }
2152 uiLo = (UINT_PTR)hMem;
2153
2154 *lparam = PackDDElParam( message, uiLo, uiHi );
2155 break;
2156 case WM_DDE_EXECUTE:
2157 if (size)
2158 {
2159 if (!buffer || !*buffer) return FALSE;
2160 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
2161 if ((ptr = GlobalLock( hMem )))
2162 {
2163 memcpy( ptr, *buffer, size );
2164 GlobalUnlock( hMem );
2165 TRACE( "exec: pairing c=%08lx s=%p\n", *lparam, hMem );
2166 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
2167 {
2168 GlobalFree( hMem );
2169 return FALSE;
2170 }
2171 }
2172 else
2173 {
2174 GlobalFree( hMem );
2175 return FALSE;
2176 }
2177 } else return FALSE;
2178 *lparam = (LPARAM)hMem;
2179 break;
2180 }
2181 return TRUE;
2182 }
2183
2184 /***********************************************************************
2185 * call_window_proc
2186 *
2187 * Call a window procedure and the corresponding hooks.
2188 */
2189 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2190 BOOL unicode, BOOL same_thread, enum wm_char_mapping mapping )
2191 {
2192 LRESULT result = 0;
2193 CWPSTRUCT cwp;
2194 CWPRETSTRUCT cwpret;
2195
2196 if (msg & 0x80000000)
2197 {
2198 result = handle_internal_message( hwnd, msg, wparam, lparam );
2199 goto done;
2200 }
2201
2202 /* first the WH_CALLWNDPROC hook */
2203 hwnd = WIN_GetFullHandle( hwnd );
2204 cwp.lParam = lparam;
2205 cwp.wParam = wparam;
2206 cwp.message = msg;
2207 cwp.hwnd = hwnd;
2208 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
2209
2210 /* now call the window procedure */
2211 if (!WINPROC_call_window( hwnd, msg, wparam, lparam, &result, unicode, mapping )) goto done;
2212
2213 /* and finally the WH_CALLWNDPROCRET hook */
2214 cwpret.lResult = result;
2215 cwpret.lParam = lparam;
2216 cwpret.wParam = wparam;
2217 cwpret.message = msg;
2218 cwpret.hwnd = hwnd;
2219 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
2220 done:
2221 return result;
2222 }
2223
2224
2225 /***********************************************************************
2226 * send_parent_notify
2227 *
2228 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
2229 * the window has the WS_EX_NOPARENTNOTIFY style.
2230 */
2231 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
2232 {
2233 /* pt has to be in the client coordinates of the parent window */
2234 MapWindowPoints( 0, hwnd, &pt, 1 );
2235 for (;;)
2236 {
2237 HWND parent;
2238
2239 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
2240 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
2241 if (!(parent = GetParent(hwnd))) break;
2242 if (parent == GetDesktopWindow()) break;
2243 MapWindowPoints( hwnd, parent, &pt, 1 );
2244 hwnd = parent;
2245 SendMessageW( hwnd, WM_PARENTNOTIFY,
2246 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
2247 }
2248 }
2249
2250
2251 /***********************************************************************
2252 * accept_hardware_message
2253 *
2254 * Tell the server we have passed the message to the app
2255 * (even though we may end up dropping it later on)
2256 */
2257 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
2258 {
2259 SERVER_START_REQ( accept_hardware_message )
2260 {
2261 req->hw_id = hw_id;
2262 req->remove = remove;
2263 req->new_win = wine_server_user_handle( new_hwnd );
2264 if (wine_server_call( req ))
2265 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
2266 }
2267 SERVER_END_REQ;
2268 }
2269
2270
2271 /***********************************************************************
2272 * process_keyboard_message
2273 *
2274 * returns TRUE if the contents of 'msg' should be passed to the application
2275 */
2276 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
2277 UINT first, UINT last, BOOL remove )
2278 {
2279 EVENTMSG event;
2280
2281 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN ||
2282 msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
2283 switch (msg->wParam)
2284 {
2285 case VK_LSHIFT: case VK_RSHIFT:
2286 msg->wParam = VK_SHIFT;
2287 break;
2288 case VK_LCONTROL: case VK_RCONTROL:
2289 msg->wParam = VK_CONTROL;
2290 break;
2291 case VK_LMENU: case VK_RMENU:
2292 msg->wParam = VK_MENU;
2293 break;
2294 }
2295
2296 /* FIXME: is this really the right place for this hook? */
2297 event.message = msg->message;
2298 event.hwnd = msg->hwnd;
2299 event.time = msg->time;
2300 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
2301 event.paramH = msg->lParam & 0x7FFF;
2302 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
2303 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
2304
2305 /* check message filters */
2306 if (msg->message < first || msg->message > last) return FALSE;
2307 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
2308
2309 if (remove)
2310 {
2311 if((msg->message == WM_KEYDOWN) &&
2312 (msg->hwnd != GetDesktopWindow()))
2313 {
2314 /* Handle F1 key by sending out WM_HELP message */
2315 if (msg->wParam == VK_F1)
2316 {
2317 PostMessageW( msg->hwnd, WM_KEYF1, 0, 0 );
2318 }
2319 else if(msg->wParam >= VK_BROWSER_BACK &&
2320 msg->wParam <= VK_LAUNCH_APP2)
2321 {
2322 /* FIXME: Process keystate */
2323 SendMessageW(msg->hwnd, WM_APPCOMMAND, (WPARAM)msg->hwnd, MAKELPARAM(0, (FAPPCOMMAND_KEY | (msg->wParam - VK_BROWSER_BACK + 1))));
2324 }
2325 }
2326 else if (msg->message == WM_KEYUP)
2327 {
2328 /* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
2329 if (msg->wParam == VK_APPS && !MENU_IsMenuActive())
2330 PostMessageW(msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, -1);
2331 }
2332 }
2333
2334 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
2335 LOWORD(msg->wParam), msg->lParam, TRUE ))
2336 {
2337 /* skip this message */
2338 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
2339 accept_hardware_message( hw_id, TRUE, 0 );
2340 return FALSE;
2341 }
2342 accept_hardware_message( hw_id, remove, 0 );
2343
2344 if ( msg->message == WM_KEYDOWN || msg->message == WM_KEYUP )
2345 if ( ImmProcessKey(msg->hwnd, GetKeyboardLayout(0), msg->wParam, msg->lParam, 0) )
2346 msg->wParam = VK_PROCESSKEY;
2347
2348 return TRUE;
2349 }
2350
2351
2352 /***********************************************************************
2353 * process_mouse_message
2354 *
2355 * returns TRUE if the contents of 'msg' should be passed to the application
2356 */
2357 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
2358 UINT first, UINT last, BOOL remove )
2359 {
2360 static MSG clk_msg;
2361
2362 POINT pt;
2363 UINT message;
2364 INT hittest;
2365 EVENTMSG event;
2366 GUITHREADINFO info;
2367 MOUSEHOOKSTRUCT hook;
2368 BOOL eatMsg;
2369
2370 /* find the window to dispatch this mouse message to */
2371
2372 info.cbSize = sizeof(info);
2373 GetGUIThreadInfo( GetCurrentThreadId(), &info );
2374 if (info.hwndCapture)
2375 {
2376 hittest = HTCLIENT;
2377 msg->hwnd = info.hwndCapture;
2378 }
2379 else
2380 {
2381 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
2382 }
2383
2384 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
2385 {
2386 accept_hardware_message( hw_id, TRUE, msg->hwnd );
2387 return FALSE;
2388 }
2389
2390 /* FIXME: is this really the right place for this hook? */
2391 event.message = msg->message;
2392 event.time = msg->time;
2393 event.hwnd = msg->hwnd;
2394 event.paramL = msg->pt.x;
2395 event.paramH = msg->pt.y;
2396 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
2397
2398 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
2399
2400 pt = msg->pt;
2401 message = msg->message;
2402 /* Note: windows has no concept of a non-client wheel message */
2403 if (message != WM_MOUSEWHEEL)
2404 {
2405 if (hittest != HTCLIENT)
2406 {
2407 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
2408 msg->wParam = hittest;
2409 }
2410 else
2411 {
2412 /* coordinates don't get translated while tracking a menu */
2413 /* FIXME: should differentiate popups and top-level menus */
2414 if (!(info.flags & GUI_INMENUMODE))
2415 ScreenToClient( msg->hwnd, &pt );
2416 }
2417 }
2418 msg->lParam = MAKELONG( pt.x, pt.y );
2419
2420 /* translate double clicks */
2421
2422 if ((msg->message == WM_LBUTTONDOWN) ||
2423 (msg->message == WM_RBUTTONDOWN) ||
2424 (msg->message == WM_MBUTTONDOWN) ||
2425 (msg->message == WM_XBUTTONDOWN))
2426 {
2427 BOOL update = remove;
2428
2429 /* translate double clicks -
2430 * note that ...MOUSEMOVEs can slip in between
2431 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
2432
2433 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
2434 hittest != HTCLIENT ||
2435 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
2436 {
2437 if ((msg->message == clk_msg.message) &&
2438 (msg->hwnd == clk_msg.hwnd) &&
2439 (msg->wParam == clk_msg.wParam) &&
2440 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
2441 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
2442 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
2443 {
2444 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
2445 if (update)
2446 {
2447 clk_msg.message = 0; /* clear the double click conditions */
2448 update = FALSE;
2449 }
2450 }
2451 }
2452 if (message < first || message > last) return FALSE;
2453 /* update static double click conditions */
2454 if (update) clk_msg = *msg;
2455 }
2456 else
2457 {
2458 if (message < first || message > last) return FALSE;
2459 }
2460
2461 /* message is accepted now (but may still get dropped) */
2462
2463 hook.pt = msg->pt;
2464 hook.hwnd = msg->hwnd;
2465 hook.wHitTestCode = hittest;
2466 hook.dwExtraInfo = extra_info;
2467 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
2468 message, (LPARAM)&hook, TRUE ))
2469 {
2470 hook.pt = msg->pt;
2471 hook.hwnd = msg->hwnd;
2472 hook.wHitTestCode = hittest;
2473 hook.dwExtraInfo = extra_info;
2474 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
2475 accept_hardware_message( hw_id, TRUE, 0 );
2476 return FALSE;
2477 }
2478
2479 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
2480 {
2481 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
2482 MAKELONG( hittest, msg->message ));
2483 accept_hardware_message( hw_id, TRUE, 0 );
2484 return FALSE;
2485 }
2486
2487 accept_hardware_message( hw_id, remove, 0 );
2488
2489 if (!remove || info.hwndCapture)
2490 {
2491 msg->message = message;
2492 return TRUE;
2493 }
2494
2495 eatMsg = FALSE;
2496
2497 if ((msg->message == WM_LBUTTONDOWN) ||
2498 (msg->message == WM_RBUTTONDOWN) ||
2499 (msg->message == WM_MBUTTONDOWN) ||
2500 (msg->message == WM_XBUTTONDOWN))
2501 {
2502 /* Send the WM_PARENTNOTIFY,
2503 * note that even for double/nonclient clicks
2504 * notification message is still WM_L/M/RBUTTONDOWN.
2505 */
2506 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
2507
2508 /* Activate the window if needed */
2509
2510 if (msg->hwnd != info.hwndActive)
2511 {
2512 HWND hwndTop = msg->hwnd;
2513 while (hwndTop)
2514 {
2515 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
2516 hwndTop = GetParent( hwndTop );
2517 }
2518
2519 if (hwndTop && hwndTop != GetDesktopWindow())
2520 {
2521 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
2522 MAKELONG( hittest, msg->message ) );
2523 switch(ret)
2524 {
2525 case MA_NOACTIVATEANDEAT:
2526 eatMsg = TRUE;
2527 /* fall through */
2528 case MA_NOACTIVATE:
2529 break;
2530 case MA_ACTIVATEANDEAT:
2531 eatMsg = TRUE;
2532 /* fall through */
2533 case MA_ACTIVATE:
2534 case 0:
2535 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
2536 break;
2537 default:
2538 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
2539 break;
2540 }
2541 }
2542 }
2543 }
2544
2545 /* send the WM_SETCURSOR message */
2546
2547 /* Windows sends the normal mouse message as the message parameter
2548 in the WM_SETCURSOR message even if it's non-client mouse message */
2549 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
2550
2551 msg->message = message;
2552 return !eatMsg;
2553 }
2554
2555
2556 /***********************************************************************
2557 * process_hardware_message
2558 *
2559 * Process a hardware message; return TRUE if message should be passed on to the app
2560 */
2561 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
2562 UINT first, UINT last, BOOL remove )
2563 {
2564 if (is_keyboard_message( msg->message ))
2565 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
2566
2567 if (is_mouse_message( msg->message ))
2568 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
2569
2570 ERR( "unknown message type %x\n", msg->message );
2571 return FALSE;
2572 }
2573
2574
2575 /***********************************************************************
2576 * call_sendmsg_callback
2577 *
2578 * Call the callback function of SendMessageCallback.
2579 */
2580 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
2581 ULONG_PTR data, LRESULT result )
2582 {
2583 if (!callback) return;
2584
2585 if (TRACE_ON(relay))
2586 DPRINTF( "%04x:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2587 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2588 data, result );
2589 callback( hwnd, msg, data, result );
2590 if (TRACE_ON(relay))
2591 DPRINTF( "%04x:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2592 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2593 data, result );
2594 }
2595
2596
2597 /***********************************************************************
2598 * peek_message
2599 *
2600 * Peek for a message matching the given parameters. Return FALSE if none available.
2601 * All pending sent messages are processed before returning.
2602 */
2603 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags, UINT changed_mask )
2604 {
2605 LRESULT result;
2606 struct user_thread_info *thread_info = get_user_thread_info();
2607 struct received_message_info info, *old_info;
2608 unsigned int hw_id = 0; /* id of previous hardware message */
2609 void *buffer;
2610 size_t buffer_size = 256;
2611
2612 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2613
2614 if (!first && !last) last = ~0;
2615 if (hwnd == HWND_BROADCAST) hwnd = HWND_TOPMOST;
2616
2617 for (;;)
2618 {
2619 NTSTATUS res;
2620 size_t size = 0;
2621 const message_data_t *msg_data = buffer;
2622
2623 SERVER_START_REQ( get_message )
2624 {
2625 req->flags = flags;
2626 req->get_win = wine_server_user_handle( hwnd );
2627 req->get_first = first;
2628 req->get_last = last;
2629 req->hw_id = hw_id;
2630 req->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
2631 req->changed_mask = changed_mask;
2632 wine_server_set_reply( req, buffer, buffer_size );
2633 if (!(res = wine_server_call( req )))
2634 {
2635 size = wine_server_reply_size( reply );
2636 info.type = reply->type;
2637 info.msg.hwnd = wine_server_ptr_handle( reply->win );
2638 info.msg.message = reply->msg;
2639 info.msg.wParam = reply->wparam;
2640 info.msg.lParam = reply->lparam;
2641 info.msg.time = reply->time;
2642 info.msg.pt.x = 0;
2643 info.msg.pt.y = 0;
2644 hw_id = 0;
2645 thread_info->active_hooks = reply->active_hooks;
2646 }
2647 else buffer_size = reply->total;
2648 }
2649 SERVER_END_REQ;
2650
2651 if (res)
2652 {
2653 HeapFree( GetProcessHeap(), 0, buffer );
2654 if (res != STATUS_BUFFER_OVERFLOW) return FALSE;
2655 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2656 continue;
2657 }
2658
2659 TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
2660 info.type, info.msg.message,
2661 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2662 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
2663
2664 switch(info.type)
2665 {
2666 case MSG_ASCII:
2667 case MSG_UNICODE:
2668 info.flags = ISMEX_SEND;
2669 break;
2670 case MSG_NOTIFY:
2671 info.flags = ISMEX_NOTIFY;
2672 break;
2673 case MSG_CALLBACK:
2674 info.flags = ISMEX_CALLBACK;
2675 break;
2676 case MSG_CALLBACK_RESULT:
2677 if (size >= sizeof(msg_data->callback))
2678 call_sendmsg_callback( wine_server_get_ptr(msg_data->callback.callback),
2679 info.msg.hwnd, info.msg.message,
2680 msg_data->callback.data, msg_data->callback.result );
2681 continue;
2682 case MSG_WINEVENT:
2683 if (size >= sizeof(msg_data->winevent))
2684 {
2685 WINEVENTPROC hook_proc;
2686
2687 hook_proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
2688 size -= sizeof(msg_data->winevent);
2689 if (size)
2690 {
2691 WCHAR module[MAX_PATH];
2692
2693 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
2694 memcpy( module, &msg_data->winevent + 1, size );
2695 module[size / sizeof(WCHAR)] = 0;
2696 if (!(hook_proc = get_hook_proc( hook_proc, module )))
2697 {
2698 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2699 continue;
2700 }
2701 }
2702
2703 if (TRACE_ON(relay))
2704 DPRINTF( "%04x:Call winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2705 GetCurrentThreadId(), hook_proc,
2706 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2707 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2708
2709 hook_proc( wine_server_ptr_handle( msg_data->winevent.hook ), info.msg.message,
2710 info.msg.hwnd, info.msg.wParam, info.msg.lParam,
2711 msg_data->winevent.tid, info.msg.time );
2712
2713 if (TRACE_ON(relay))
2714 DPRINTF( "%04x:Ret winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2715 GetCurrentThreadId(), hook_proc,
2716 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2717 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2718 }
2719 continue;
2720 case MSG_HOOK_LL:
2721 info.flags = ISMEX_SEND;
2722 result = 0;
2723 if (info.msg.message == WH_KEYBOARD_LL && size >= sizeof(msg_data->hardware))
2724 {
2725 KBDLLHOOKSTRUCT hook;
2726
2727 hook.vkCode = LOWORD( info.msg.lParam );
2728 hook.scanCode = HIWORD( info.msg.lParam );
2729 hook.flags = msg_data->hardware.flags;
2730 hook.time = info.msg.time;
2731 hook.dwExtraInfo = msg_data->hardware.info;
2732 TRACE( "calling keyboard LL hook vk %x scan %x flags %x time %u info %lx\n",
2733 hook.vkCode, hook.scanCode, hook.flags, hook.time, hook.dwExtraInfo );
2734 result = HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
2735 }
2736 else if (info.msg.message == WH_MOUSE_LL && size >= sizeof(msg_data->hardware))
2737 {
2738 MSLLHOOKSTRUCT hook;
2739
2740 hook.pt.x = msg_data->hardware.x;
2741 hook.pt.y = msg_data->hardware.y;
2742 hook.mouseData = info.msg.lParam;
2743 hook.flags = msg_data->hardware.flags;
2744 hook.time = info.msg.time;
2745 hook.dwExtraInfo = msg_data->hardware.info;
2746 TRACE( "calling mouse LL hook pos %d,%d data %x flags %x time %u info %lx\n",
2747 hook.pt.x, hook.pt.y, hook.mouseData, hook.flags, hook.time, hook.dwExtraInfo );
2748 result = HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, info.msg.wParam, (LPARAM)&hook, TRUE );
2749 }
2750 reply_message( &info, result, TRUE );
2751 continue;
2752 case MSG_OTHER_PROCESS:
2753 info.flags = ISMEX_SEND;
2754 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2755 &info.msg.lParam, &buffer, size ))
2756 {
2757 /* ignore it */
2758 reply_message( &info, 0, TRUE );
2759 continue;
2760 }
2761 break;
2762 case MSG_HARDWARE:
2763 if (size >= sizeof(msg_data->hardware))
2764 {
2765 info.msg.pt.x = msg_data->hardware.x;
2766 info.msg.pt.y = msg_data->hardware.y;
2767 hw_id = msg_data->hardware.hw_id;
2768 if (!process_hardware_message( &info.msg, hw_id, msg_data->hardware.info,
2769 hwnd, first, last, flags & PM_REMOVE ))
2770 {
2771 TRACE("dropping msg %x\n", info.msg.message );
2772 continue; /* ignore it */
2773 }
2774 *msg = info.msg;
2775 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2776 thread_info->GetMessageTimeVal = info.msg.time;
2777 thread_info->GetMessageExtraInfoVal = msg_data->hardware.info;
2778 HeapFree( GetProcessHeap(), 0, buffer );
2779 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2780 return TRUE;
2781 }
2782 continue;
2783 case MSG_POSTED:
2784 if (info.msg.message & 0x80000000) /* internal message */
2785 {
2786 if (flags & PM_REMOVE)
2787 {
2788 handle_internal_message( info.msg.hwnd, info.msg.message,
2789 info.msg.wParam, info.msg.lParam );
2790 /* if this is a nested call return right away */
2791 if (first == info.msg.message && last == info.msg.message) return FALSE;
2792 }
2793 else
2794 peek_message( msg, info.msg.hwnd, info.msg.message,
2795 info.msg.message, flags | PM_REMOVE, changed_mask );
2796 continue;
2797 }
2798 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2799 {
2800 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2801 &info.msg.lParam, &buffer, size ))
2802 continue; /* ignore it */
2803 }
2804 *msg = info.msg;
2805 msg->pt.x = (short)LOWORD( thread_info->GetMessagePosVal );
2806 msg->pt.y = (short)HIWORD( thread_info->GetMessagePosVal );
2807 thread_info->GetMessageTimeVal = info.msg.time;
2808 thread_info->GetMessageExtraInfoVal = 0;
2809 HeapFree( GetProcessHeap(), 0, buffer );
2810 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2811 return TRUE;
2812 }
2813
2814 /* if we get here, we have a sent message; call the window procedure */
2815 old_info = thread_info->receive_info;
2816 thread_info->receive_info = &info;
2817 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2818 info.msg.lParam, (info.type != MSG_ASCII), FALSE,
2819 WMCHAR_MAP_RECVMESSAGE );
2820 reply_message( &info, result, TRUE );
2821 thread_info->receive_info = old_info;
2822
2823 /* if some PM_QS* flags were specified, only handle sent messages from now on */
2824 if (HIWORD(flags) && !changed_mask) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
2825 }
2826 }
2827
2828
2829 /***********************************************************************
2830 * process_sent_messages
2831 *
2832 * Process all pending sent messages.
2833 */
2834 static inline void process_sent_messages(void)
2835 {
2836 MSG msg;
2837 peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, 0 );
2838 }
2839
2840
2841 /***********************************************************************
2842 * get_server_queue_handle
2843 *
2844 * Get a handle to the server message queue for the current thread.
2845 */
2846 static HANDLE get_server_queue_handle(void)
2847 {
2848 struct user_thread_info *thread_info = get_user_thread_info();
2849 HANDLE ret;
2850
2851 if (!(ret = thread_info->server_queue))
2852 {
2853 SERVER_START_REQ( get_msg_queue )
2854 {
2855 wine_server_call( req );
2856 ret = wine_server_ptr_handle( reply->handle );
2857 }
2858 SERVER_END_REQ;
2859 thread_info->server_queue = ret;
2860 if (!ret) ERR( "Cannot get server thread queue\n" );
2861 }
2862 return ret;
2863 }
2864
2865
2866 /***********************************************************************
2867 * wait_message_reply
2868 *
2869 * Wait until a sent message gets replied to.
2870 */
2871 static void wait_message_reply( UINT flags )
2872 {
2873 HANDLE server_queue = get_server_queue_handle();
2874
2875 for (;;)
2876 {
2877 unsigned int wake_bits = 0;
2878
2879 SERVER_START_REQ( set_queue_mask )
2880 {
2881 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2882 req->changed_mask = req->wake_mask;
2883 req->skip_wait = 1;
2884 if (!wine_server_call( req ))
2885 wake_bits = reply->wake_bits;
2886 }
2887 SERVER_END_REQ;
2888
2889 if (wake_bits & QS_SMRESULT) return; /* got a result */
2890 if (wake_bits & QS_SENDMESSAGE)
2891 {
2892 /* Process the sent message immediately */
2893 process_sent_messages();
2894 continue;
2895 }
2896
2897 wow_handlers.wait_message( 1, &server_queue, INFINITE, QS_SENDMESSAGE, 0 );
2898 }
2899 }
2900
2901 /***********************************************************************
2902 * put_message_in_queue
2903 *
2904 * Put a sent message into the destination queue.
2905 * For inter-process message, reply_size is set to expected size of reply data.
2906 */
2907 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
2908 {
2909 struct packed_message data;
2910 message_data_t msg_data;
2911 unsigned int res;
2912 int i;
2913 timeout_t timeout = TIMEOUT_INFINITE;
2914
2915 /* Check for INFINITE timeout for compatibility with Win9x,
2916 * although Windows >= NT does not do so
2917 */
2918 if (info->type != MSG_NOTIFY &&
2919 info->type != MSG_CALLBACK &&
2920 info->type != MSG_POSTED &&
2921 info->timeout &&
2922 info->timeout != INFINITE)
2923 {
2924 /* timeout is signed despite the prototype */
2925 timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
2926 }
2927
2928 memset( &data, 0, sizeof(data) );
2929 if (info->type == MSG_OTHER_PROCESS)
2930 {
2931 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2932 if (data.count == -1)
2933 {
2934 WARN( "cannot pack message %x\n", info->msg );
2935 return FALSE;
2936 }
2937 }
2938 else if (info->type == MSG_CALLBACK)
2939 {
2940 msg_data.callback.callback = wine_server_client_ptr( info->callback );
2941 msg_data.callback.data = info->data;
2942 msg_data.callback.result = 0;
2943 data.data[0] = &msg_data;
2944 data.size[0] = sizeof(msg_data.callback);
2945 data.count = 1;
2946 }
2947 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2948 {
2949 return post_dde_message( &data, info );
2950 }
2951
2952 SERVER_START_REQ( send_message )
2953 {
2954 req->id = info->dest_tid;
2955 req->type = info->type;
2956 req->flags = 0;
2957 req->win = wine_server_user_handle( info->hwnd );
2958 req->msg = info->msg;
2959 req->wparam = info->wparam;
2960 req->lparam = info->lparam;
2961 req->timeout = timeout;
2962
2963 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2964 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2965 if ((res = wine_server_call( req )))
2966 {
2967 if (res == STATUS_INVALID_PARAMETER)
2968 /* FIXME: find a STATUS_ value for this one */
2969 SetLastError( ERROR_INVALID_THREAD_ID );
2970 else
2971 SetLastError( RtlNtStatusToDosError(res) );
2972 }
2973 }
2974 SERVER_END_REQ;
2975 return !res;
2976 }
2977
2978
2979 /***********************************************************************
2980 * retrieve_reply
2981 *
2982 * Retrieve a message reply from the server.
2983 */
2984 static LRESULT retrieve_reply( const struct send_message_info *info,
2985 size_t reply_size, LRESULT *result )
2986 {
2987 NTSTATUS status;
2988 void *reply_data = NULL;
2989
2990 if (reply_size)
2991 {
2992 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2993 {
2994 WARN( "no memory for reply, will be truncated\n" );
2995 reply_size = 0;
2996 }
2997 }
2998 SERVER_START_REQ( get_message_reply )
2999 {
3000 req->cancel = 1;
3001 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
3002 if (!(status = wine_server_call( req ))) *result = reply->result;
3003 reply_size = wine_server_reply_size( reply );
3004 }
3005 SERVER_END_REQ;
3006 if (!status && reply_size)
3007 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
3008
3009 HeapFree( GetProcessHeap(), 0, reply_data );
3010
3011 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
3012 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
3013 info->lparam, *result, status );
3014
3015 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
3016 if (status) SetLastError( RtlNtStatusToDosError(status) );
3017 return !status;
3018 }
3019
3020
3021 /***********************************************************************
3022 * send_inter_thread_message
3023 */
3024 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
3025 {
3026 size_t reply_size = 0;
3027
3028 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3029 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
3030
3031 USER_CheckNotLock();
3032
3033 if (!put_message_in_queue( info, &reply_size )) return 0;
3034
3035 /* there's no reply to wait for on notify/callback messages */
3036 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
3037
3038 wait_message_reply( info->flags );
3039 return retrieve_reply( info, reply_size, res_ptr );
3040 }
3041
3042
3043 /***********************************************************************
3044 * send_inter_thread_callback
3045 */
3046 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
3047 LRESULT *result, void *arg )
3048 {
3049 struct send_message_info *info = arg;
3050 info->hwnd = hwnd;
3051 info->msg = msg;
3052 info->wparam = wp;
3053 info->lparam = lp;
3054 return send_inter_thread_message( info, result );
3055 }
3056
3057
3058 /***********************************************************************
3059 * send_message
3060 *
3061 * Backend implementation of the various SendMessage functions.
3062 */
3063 static BOOL send_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL unicode )
3064 {
3065 DWORD dest_pid;
3066 BOOL ret;
3067 LRESULT result;
3068
3069 if (is_broadcast(info->hwnd))
3070 {
3071 EnumWindows( broadcast_message_callback, (LPARAM)info );
3072 if (res_ptr) *res_ptr = 1;
3073 return TRUE;
3074 }
3075
3076 if (!(info->dest_tid = GetWindowThreadProcessId( info->hwnd, &dest_pid ))) return FALSE;
3077
3078 if (USER_IsExitingThread( info->dest_tid )) return FALSE;
3079
3080 SPY_EnterMessage( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
3081
3082 if (info->dest_tid == GetCurrentThreadId())
3083 {
3084 result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
3085 unicode, TRUE, info->wm_char );
3086 if (info->type == MSG_CALLBACK)
3087 call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
3088 ret = TRUE;
3089 }
3090 else
3091 {
3092 if (dest_pid != GetCurrentProcessId() && (info->type == MSG_ASCII || info->type == MSG_UNICODE))
3093 info->type = MSG_OTHER_PROCESS;
3094
3095 /* MSG_ASCII can be sent unconverted except for WM_CHAR; everything else needs to be Unicode */
3096 if (!unicode && is_unicode_message( info->msg ) &&
3097 (info->type != MSG_ASCII || info->msg == WM_CHAR))
3098 ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info->hwnd, info->msg,
3099 info->wparam, info->lparam, &result, info, info->wm_char );
3100 else
3101 ret = send_inter_thread_message( info, &result );
3102 }
3103
3104 SPY_ExitMessage( SPY_RESULT_OK, info->hwnd, info->msg, result, info->wparam, info->lparam );
3105 if (ret && res_ptr) *res_ptr = result;
3106 return ret;
3107 }
3108
3109
3110 /***********************************************************************
3111 * send_hardware_message
3112 */
3113 NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, UINT flags )
3114 {
3115 struct user_thread_info *thread_info = get_user_thread_info();
3116 struct send_message_info info;
3117 int prev_x, prev_y, new_x, new_y;
3118 NTSTATUS ret;
3119 BOOL wait;
3120
3121 info.type = MSG_HARDWARE;
3122 info.dest_tid = 0;
3123 info.hwnd = hwnd;
3124 info.flags = 0;
3125 info.timeout = 0;
3126
3127 SERVER_START_REQ( send_hardware_message )
3128 {
3129 req->win = wine_server_user_handle( hwnd );
3130 req->flags = flags;
3131 req->input.type = input->type;
3132 switch (input->type)
3133 {
3134 case INPUT_MOUSE:
3135 req->input.mouse.x = input->u.mi.dx;
3136 req->input.mouse.y = input->u.mi.dy;
3137 req->input.mouse.data = input->u.mi.mouseData;
3138 req->input.mouse.flags = input->u.mi.dwFlags;
3139 req->input.mouse.time = input->u.mi.time;
3140 req->input.mouse.info = input->u.mi.dwExtraInfo;
3141 break;
3142 case INPUT_KEYBOARD:
3143 req->input.kbd.vkey = input->u.ki.wVk;
3144 req->input.kbd.scan = input->u.ki.wScan;
3145 req->input.kbd.flags = input->u.ki.dwFlags;
3146 req->input.kbd.time = input->u.ki.time;
3147 req->input.kbd.info = input->u.ki.dwExtraInfo;
3148 break;
3149 case INPUT_HARDWARE:
3150 req->input.hw.msg = input->u.hi.uMsg;
3151 req->input.hw.lparam = MAKELONG( input->u.hi.wParamL, input->u.hi.wParamH );
3152 break;
3153 }
3154 if (thread_info->key_state) wine_server_set_reply( req, thread_info->key_state, 256 );
3155 ret = wine_server_call( req );
3156 wait = reply->wait;
3157 prev_x = reply->prev_x;
3158 prev_y = reply->prev_y;
3159 new_x = reply->new_x;
3160 new_y = reply->new_y;
3161 }
3162 SERVER_END_REQ;
3163
3164 if (!ret)
3165 {
3166 if (thread_info->key_state) thread_info->key_state_time = GetTickCount();
3167 if ((flags & SEND_HWMSG_INJECTED) && (prev_x != new_x || prev_y != new_y))
3168 USER_Driver->pSetCursorPos( new_x, new_y );
3169 }
3170
3171 if (wait)
3172 {
3173 LRESULT ignored;
3174 wait_message_reply( 0 );
3175 retrieve_reply( &info, 0, &ignored );
3176 }
3177 return ret;
3178 }
3179
3180
3181 /***********************************************************************
3182 * MSG_SendInternalMessageTimeout
3183 *
3184 * Same as SendMessageTimeoutW but sends the message to a specific thread
3185 * without requiring a window handle. Only works for internal Wine messages.
3186 */
3187 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
3188 UINT msg, WPARAM wparam, LPARAM lparam,
3189 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3190 {
3191 struct send_message_info info;
3192 LRESULT ret, result;
3193
3194 assert( msg & 0x80000000 ); /* must be an internal Wine message */
3195
3196 info.type = MSG_UNICODE;
3197 info.dest_tid = dest_tid;
3198 info.hwnd = 0;
3199 info.msg = msg;
3200 info.wparam = wparam;
3201 info.lparam = lparam;
3202 info.flags = flags;
3203 info.timeout = timeout;
3204
3205 if (USER_IsExitingThread( dest_tid )) return 0;
3206
3207 if (dest_tid == GetCurrentThreadId())
3208 {
3209 result = handle_internal_message( 0, msg, wparam, lparam );
3210 ret = 1;
3211 }
3212 else
3213 {
3214 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
3215 ret = send_inter_thread_message( &info, &result );
3216 }
3217 if (ret && res_ptr) *res_ptr = result;
3218 return ret;
3219 }
3220
3221
3222 /***********************************************************************
3223 * SendMessageTimeoutW (USER32.@)
3224 */
3225 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3226 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3227 {
3228 struct send_message_info info;
3229
3230 info.type = MSG_UNICODE;
3231 info.hwnd = hwnd;
3232 info.msg = msg;
3233 info.wparam = wparam;
3234 info.lparam = lparam;
3235 info.flags = flags;
3236 info.timeout = timeout;
3237
3238 return send_message( &info, res_ptr, TRUE );
3239 }
3240
3241 /***********************************************************************
3242 * SendMessageTimeoutA (USER32.@)
3243 */
3244 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3245 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3246 {
3247 struct send_message_info info;
3248
3249 info.type = MSG_ASCII;
3250 info.hwnd = hwnd;
3251 info.msg = msg;
3252 info.wparam = wparam;
3253 info.lparam = lparam;
3254 info.flags = flags;
3255 info.timeout = timeout;
3256 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3257
3258 return send_message( &info, res_ptr, FALSE );
3259 }
3260
3261
3262 /***********************************************************************
3263 * SendMessageW (USER32.@)
3264 */
3265 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3266 {
3267 DWORD_PTR res = 0;
3268 struct send_message_info info;
3269
3270 info.type = MSG_UNICODE;
3271 info.hwnd = hwnd;
3272 info.msg = msg;
3273 info.wparam = wparam;
3274 info.lparam = lparam;
3275 info.flags = SMTO_NORMAL;
3276 info.timeout = 0;
3277
3278 send_message( &info, &res, TRUE );
3279 return res;
3280 }
3281
3282
3283 /***********************************************************************
3284 * SendMessageA (USER32.@)
3285 */
3286 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3287 {
3288 DWORD_PTR res = 0;
3289 struct send_message_info info;
3290
3291 info.type = MSG_ASCII;
3292 info.hwnd = hwnd;
3293 info.msg = msg;
3294 info.wparam = wparam;
3295 info.lparam = lparam;
3296 info.flags = SMTO_NORMAL;
3297 info.timeout = 0;
3298 info.wm_char = WMCHAR_MAP_SENDMESSAGE;
3299
3300 send_message( &info, &res, FALSE );
3301 return res;
3302 }
3303
3304
3305 /***********************************************************************
3306 * SendNotifyMessageA (USER32.@)
3307 */
3308 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3309 {
3310 struct send_message_info info;
3311
3312 if (is_pointer_message(msg))
3313 {
3314 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3315 return FALSE;
3316 }
3317
3318 info.type = MSG_NOTIFY;
3319 info.hwnd = hwnd;
3320 info.msg = msg;
3321 info.wparam = wparam;
3322 info.lparam = lparam;
3323 info.flags = 0;
3324 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3325
3326 return send_message( &info, NULL, FALSE );
3327 }
3328
3329
3330 /***********************************************************************
3331 * SendNotifyMessageW (USER32.@)
3332 */
3333 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3334 {
3335 struct send_message_info info;
3336
3337 if (is_pointer_message(msg))
3338 {
3339 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3340 return FALSE;
3341 }
3342
3343 info.type = MSG_NOTIFY;
3344 info.hwnd = hwnd;
3345 info.msg = msg;
3346 info.wparam = wparam;
3347 info.lparam = lparam;
3348 info.flags = 0;
3349
3350 return send_message( &info, NULL, TRUE );
3351 }
3352
3353
3354 /***********************************************************************
3355 * SendMessageCallbackA (USER32.@)
3356 */
3357 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3358 SENDASYNCPROC callback, ULONG_PTR data )
3359 {
3360 struct send_message_info info;
3361
3362 if (is_pointer_message(msg))
3363 {
3364 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3365 return FALSE;
3366 }
3367
3368 info.type = MSG_CALLBACK;
3369 info.hwnd = hwnd;
3370 info.msg = msg;
3371 info.wparam = wparam;
3372 info.lparam = lparam;
3373 info.callback = callback;
3374 info.data = data;
3375 info.flags = 0;
3376 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3377
3378 return send_message( &info, NULL, FALSE );
3379 }
3380
3381
3382 /***********************************************************************
3383 * SendMessageCallbackW (USER32.@)
3384 */
3385 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3386 SENDASYNCPROC callback, ULONG_PTR data )
3387 {
3388 struct send_message_info info;
3389
3390 if (is_pointer_message(msg))
3391 {
3392 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3393 return FALSE;
3394 }
3395
3396 info.type = MSG_CALLBACK;
3397 info.hwnd = hwnd;
3398 info.msg = msg;
3399 info.wparam = wparam;
3400 info.lparam = lparam;
3401 info.callback = callback;
3402 info.data = data;
3403 info.flags = 0;
3404
3405 return send_message( &info, NULL, TRUE );
3406 }
3407
3408
3409 /***********************************************************************
3410 * ReplyMessage (USER32.@)
3411 */
3412 BOOL WINAPI ReplyMessage( LRESULT result )
3413 {
3414 struct received_message_info *info = get_user_thread_info()->receive_info;
3415
3416 if (!info) return FALSE;
3417 reply_message( info, result, FALSE );
3418 return TRUE;
3419 }
3420
3421
3422 /***********************************************************************
3423 * InSendMessage (USER32.@)
3424 */
3425 BOOL WINAPI InSendMessage(void)
3426 {
3427 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
3428 }
3429
3430
3431 /***********************************************************************
3432 * InSendMessageEx (USER32.@)
3433 */
3434 DWORD WINAPI InSendMessageEx( LPVOID reserved )
3435 {
3436 struct received_message_info *info = get_user_thread_info()->receive_info;
3437
3438 if (info) return info->flags;
3439 return ISMEX_NOSEND;
3440 }
3441
3442
3443 /***********************************************************************
3444 * PostMessageA (USER32.@)
3445 */
3446 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3447 {
3448 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3449 return PostMessageW( hwnd, msg, wparam, lparam );
3450 }
3451
3452
3453 /***********************************************************************
3454 * PostMessageW (USER32.@)
3455 */
3456 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3457 {
3458 struct send_message_info info;
3459
3460 if (is_pointer_message( msg ))
3461 {
3462 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3463 return FALSE;
3464 }
3465
3466 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3467 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
3468
3469 info.type = MSG_POSTED;
3470 info.hwnd = hwnd;
3471 info.msg = msg;
3472 info.wparam = wparam;
3473 info.lparam = lparam;
3474 info.flags = 0;
3475
3476 if (is_broadcast(hwnd))
3477 {
3478 EnumWindows( broadcast_message_callback, (LPARAM)&info );
3479 return TRUE;
3480 }
3481
3482 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
3483
3484 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
3485
3486 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
3487
3488 return put_message_in_queue( &info, NULL );
3489 }
3490
3491
3492 /**********************************************************************
3493 * PostThreadMessageA (USER32.@)
3494 */
3495 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3496 {
3497 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3498 return PostThreadMessageW( thread, msg, wparam, lparam );
3499 }
3500
3501
3502 /**********************************************************************
3503 * PostThreadMessageW (USER32.@)
3504 */
3505 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3506 {
3507 struct send_message_info info;
3508
3509 if (is_pointer_message( msg ))
3510 {
3511 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3512 return FALSE;
3513 }
3514 if (USER_IsExitingThread( thread )) return TRUE;
3515
3516 info.type = MSG_POSTED;
3517 info.dest_tid = thread;
3518 info.hwnd = 0;
3519 info.msg = msg;
3520 info.wparam = wparam;
3521 info.lparam = lparam;
3522 info.flags = 0;
3523 return put_message_in_queue( &info, NULL );
3524 }
3525
3526
3527 /***********************************************************************
3528 * PostQuitMessage (USER32.@)
3529 *
3530 * Posts a quit message to the current thread's message queue.
3531 *
3532 * PARAMS
3533 * exit_code [I] Exit code to return from message loop.
3534 *
3535 * RETURNS
3536 * Nothing.
3537 *
3538 * NOTES
3539 * This function is not the same as calling:
3540 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
3541 * It instead sets a flag in the message queue that signals it to generate
3542 * a WM_QUIT message when there are no other pending sent or posted messages
3543 * in the queue.
3544 */
3545 void WINAPI PostQuitMessage( INT exit_code )
3546 {
3547 SERVER_START_REQ( post_quit_message )
3548 {
3549 req->exit_code = exit_code;
3550 wine_server_call( req );
3551 }
3552 SERVER_END_REQ;
3553 }
3554
3555
3556 /***********************************************************************
3557 * PeekMessageW (USER32.@)
3558 */
3559 BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
3560 {
3561 MSG msg;
3562
3563 USER_CheckNotLock();
3564
3565 /* check for graphics events */
3566 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
3567
3568 if (!peek_message( &msg, hwnd, first, last, flags, 0 ))
3569 {
3570 if (!(flags & PM_NOYIELD)) wow_handlers.wait_message( 0, NULL, 0, 0, 0 );
3571 return FALSE;
3572 }
3573
3574 /* copy back our internal safe copy of message data to msg_out.
3575 * msg_out is a variable from the *program*, so it can't be used
3576 * internally as it can get "corrupted" by our use of SendMessage()
3577 * (back to the program) inside the message handling itself. */
3578 if (!msg_out)
3579 {
3580 SetLastError( ERROR_NOACCESS );
3581 return FALSE;
3582 }
3583 *msg_out = msg;
3584 return TRUE;
3585 }
3586
3587
3588 /***********************************************************************
3589 * PeekMessageA (USER32.@)
3590 */
3591 BOOL WINAPI DECLSPEC_HOTPATCH PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
3592 {
3593 if (get_pending_wmchar( msg, first, last, (flags & PM_REMOVE) )) return TRUE;
3594 if (!PeekMessageW( msg, hwnd, first, last, flags )) return FALSE;
3595 map_wparam_WtoA( msg, (flags & PM_REMOVE) );
3596 return TRUE;
3597 }
3598
3599
3600 /***********************************************************************
3601 * GetMessageW (USER32.@)
3602 */
3603 BOOL WINAPI DECLSPEC_HOTPATCH GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
3604 {
3605 HANDLE server_queue = get_server_queue_handle();
3606 unsigned int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
3607
3608 USER_CheckNotLock();
3609
3610 /* check for graphics events */
3611 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
3612
3613 if (first || last)
3614 {
3615 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
3616 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
3617 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
3618 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
3619 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
3620 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
3621 }
3622 else mask = QS_ALLINPUT;
3623
3624 while (!peek_message( msg, hwnd, first, last, PM_REMOVE | (mask << 16), mask ))
3625 {
3626 wow_handlers.wait_message( 1, &server_queue, INFINITE, mask, 0 );
3627 }
3628
3629 return (msg->message != WM_QUIT);
3630 }
3631
3632
3633 /***********************************************************************
3634 * GetMessageA (USER32.@)
3635 */
3636 BOOL WINAPI DECLSPEC_HOTPATCH GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
3637 {
3638 if (get_pending_wmchar( msg, first, last, TRUE )) return TRUE;
3639 GetMessageW( msg, hwnd, first, last );
3640 map_wparam_WtoA( msg, TRUE );
3641 return (msg->message != WM_QUIT);
3642 }
3643
3644
3645 /***********************************************************************
3646 * IsDialogMessageA (USER32.@)
3647 * IsDialogMessage (USER32.@)
3648 */
3649 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
3650 {
3651 MSG msg = *pmsg;
3652 map_wparam_AtoW( msg.message, &msg.wParam, WMCHAR_MAP_NOMAPPING );
3653 return IsDialogMessageW( hwndDlg, &msg );
3654 }
3655
3656
3657 /***********************************************************************
3658 * TranslateMessage (USER32.@)
3659 *
3660 * Implementation of TranslateMessage.
3661 *
3662 * TranslateMessage translates virtual-key messages into character-messages,
3663 * as follows :
3664 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
3665 * ditto replacing WM_* with WM_SYS*
3666 * This produces WM_CHAR messages only for keys mapped to ASCII characters
3667 * by the keyboard driver.
3668 *
3669 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
3670 * return value is nonzero, regardless of the translation.
3671 *
3672 */
3673 BOOL WINAPI TranslateMessage( const MSG *msg )
3674 {
3675 UINT message;
3676 WCHAR wp[2];
3677 BYTE state[256];
3678
3679 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
3680 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
3681
3682 TRACE_(key)("Translating key %s (%04lX), scancode %04x\n",
3683 SPY_GetVKeyName(msg->wParam), msg->wParam, HIWORD(msg->lParam));
3684
3685 switch (msg->wParam)
3686 {
3687 case VK_PACKET:
3688 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3689 TRACE_(key)("PostMessageW(%p,%s,%04x,%08x)\n",
3690 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), HIWORD(msg->lParam), LOWORD(msg->lParam));
3691 PostMessageW( msg->hwnd, message, HIWORD(msg->lParam), LOWORD(msg->lParam));
3692 return TRUE;
3693
3694 case VK_PROCESSKEY:
3695 return ImmTranslateMessage(msg->hwnd, msg->message, msg->wParam, msg->lParam);
3696 }
3697
3698 GetKeyboardState( state );
3699 /* FIXME : should handle ToUnicode yielding 2 */
3700 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
3701 {
3702 case 1:
3703 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3704 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3705 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
3706 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
3707 break;
3708
3709 case -1:
3710 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
3711 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3712 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
3713 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
3714 break;
3715 }
3716 return TRUE;
3717 }
3718
3719
3720 /***********************************************************************
3721 * DispatchMessageA (USER32.@)
3722 *
3723 * See DispatchMessageW.
3724 */
3725 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageA( const MSG* msg )
3726 {
3727 LRESULT retval;
3728
3729 /* Process timer messages */
3730 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3731 {
3732 if (msg->lParam)
3733 {
3734 __TRY
3735 {
3736 retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
3737 msg->message, msg->wParam, GetTickCount() );
3738 }
3739 __EXCEPT_PAGE_FAULT
3740 {
3741 retval = 0;
3742 }
3743 __ENDTRY
3744 return retval;
3745 }
3746 }
3747 if (!msg->hwnd) return 0;
3748
3749 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3750 msg->wParam, msg->lParam );
3751
3752 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3753 &retval, FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
3754 {
3755 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3756 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3757 retval = 0;
3758 }
3759
3760 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3761 msg->wParam, msg->lParam );
3762
3763 if (msg->message == WM_PAINT)
3764 {
3765 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3766 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3767 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3768 DeleteObject( hrgn );
3769 }
3770 return retval;
3771 }
3772
3773
3774 /***********************************************************************
3775 * DispatchMessageW (USER32.@) Process a message
3776 *
3777 * Process the message specified in the structure *_msg_.
3778 *
3779 * If the lpMsg parameter points to a WM_TIMER message and the
3780 * parameter of the WM_TIMER message is not NULL, the lParam parameter
3781 * points to the function that is called instead of the window
3782 * procedure. The function stored in lParam (timer callback) is protected
3783 * from causing page-faults.
3784 *
3785 * The message must be valid.
3786 *
3787 * RETURNS
3788 *
3789 * DispatchMessage() returns the result of the window procedure invoked.
3790 *
3791 * CONFORMANCE
3792 *
3793 * ECMA-234, Win32
3794 *
3795 */
3796 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageW( const MSG* msg )
3797 {
3798 LRESULT retval;
3799
3800 /* Process timer messages */
3801 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3802 {
3803 if (msg->lParam)
3804 {
3805 __TRY
3806 {
3807 retval = CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
3808 msg->message, msg->wParam, GetTickCount() );
3809 }
3810 __EXCEPT_PAGE_FAULT
3811 {
3812 retval = 0;
3813 }
3814 __ENDTRY
3815 return retval;
3816 }
3817 }
3818 if (!msg->hwnd) return 0;
3819
3820 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3821 msg->wParam, msg->lParam );
3822
3823 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3824 &retval, TRUE, WMCHAR_MAP_DISPATCHMESSAGE ))
3825 {
3826 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3827 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3828 retval = 0;
3829 }
3830
3831 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3832 msg->wParam, msg->lParam );
3833
3834 if (msg->message == WM_PAINT)
3835 {
3836 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3837 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3838 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3839 DeleteObject( hrgn );
3840 }
3841 return retval;
3842 }
3843
3844
3845 /***********************************************************************
3846 * GetMessagePos (USER.119)
3847 * GetMessagePos (USER32.@)
3848 *
3849 * The GetMessagePos() function returns a long value representing a
3850 * cursor position, in screen coordinates, when the last message
3851 * retrieved by the GetMessage() function occurs. The x-coordinate is
3852 * in the low-order word of the return value, the y-coordinate is in
3853 * the high-order word. The application can use the MAKEPOINT()
3854 * macro to obtain a POINT structure from the return value.
3855 *
3856 * For the current cursor position, use GetCursorPos().
3857 *
3858 * RETURNS
3859 *
3860 * Cursor position of last message on success, zero on failure.
3861 *
3862 * CONFORMANCE
3863 *
3864 * ECMA-234, Win32
3865 *
3866 */
3867 DWORD WINAPI GetMessagePos(void)
3868 {
3869 return get_user_thread_info()->GetMessagePosVal;
3870 }
3871
3872
3873 /***********************************************************************
3874 * GetMessageTime (USER.120)
3875 * GetMessageTime (USER32.@)
3876 *
3877 * GetMessageTime() returns the message time for the last message
3878 * retrieved by the function. The time is measured in milliseconds with
3879 * the same offset as GetTickCount().
3880 *
3881 * Since the tick count wraps, this is only useful for moderately short
3882 * relative time comparisons.
3883 *
3884 * RETURNS
3885 *
3886 * Time of last message on success, zero on failure.
3887 */
3888 LONG WINAPI GetMessageTime(void)
3889 {
3890 return get_user_thread_info()->GetMessageTimeVal;
3891 }
3892
3893
3894 /***********************************************************************
3895 * GetMessageExtraInfo (USER.288)
3896 * GetMessageExtraInfo (USER32.@)
3897 */
3898 LPARAM WINAPI GetMessageExtraInfo(void)
3899 {
3900 return get_user_thread_info()->GetMessageExtraInfoVal;
3901 }
3902
3903
3904 /***********************************************************************
3905 * SetMessageExtraInfo (USER32.@)
3906 */
3907 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3908 {
3909 struct user_thread_info *thread_info = get_user_thread_info();
3910 LONG old_value = thread_info->GetMessageExtraInfoVal;
3911 thread_info->GetMessageExtraInfoVal = lParam;
3912 return old_value;
3913 }
3914
3915
3916 /***********************************************************************
3917 * WaitMessage (USER.112) Suspend thread pending messages
3918 * WaitMessage (USER32.@) Suspend thread pending messages
3919 *
3920 * WaitMessage() suspends a thread until events appear in the thread's
3921 * queue.
3922 */
3923 BOOL WINAPI WaitMessage(void)
3924 {
3925 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3926 }
3927
3928
3929 /***********************************************************************
3930 * MsgWaitForMultipleObjectsEx (USER32.@)
3931 */
3932 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3933 DWORD timeout, DWORD mask, DWORD flags )
3934 {
3935 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3936 DWORD i;
3937
3938 if (count > MAXIMUM_WAIT_OBJECTS-1)
3939 {
3940 SetLastError( ERROR_INVALID_PARAMETER );
3941 return WAIT_FAILED;
3942 }
3943
3944 /* set the queue mask */
3945 SERVER_START_REQ( set_queue_mask )
3946 {
3947 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3948 req->changed_mask = mask;
3949 req->skip_wait = 0;
3950 wine_server_call( req );
3951 }
3952 SERVER_END_REQ;
3953
3954 /* add the queue to the handle list */
3955 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3956 handles[count] = get_server_queue_handle();
3957
3958 return wow_handlers.wait_message( count+1, handles, timeout, mask, flags );
3959 }
3960
3961
3962 /***********************************************************************
3963 * MsgWaitForMultipleObjects (USER32.@)
3964 */
3965 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3966 BOOL wait_all, DWORD timeout, DWORD mask )
3967 {
3968 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3969 wait_all ? MWMO_WAITALL : 0 );
3970 }
3971
3972
3973 /***********************************************************************
3974 * WaitForInputIdle (USER32.@)
3975 */
3976 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3977 {
3978 DWORD start_time, elapsed, ret;
3979 HANDLE handles[2];
3980
3981 handles[0] = hProcess;
3982 SERVER_START_REQ( get_process_idle_event )
3983 {
3984 req->handle = wine_server_obj_handle( hProcess );
3985 wine_server_call_err( req );
3986 handles[1] = wine_server_ptr_handle( reply->event );
3987 }
3988 SERVER_END_REQ;
3989 if (!handles[1]) return WAIT_FAILED; /* no event to wait on */
3990
3991 start_time = GetTickCount();
3992 elapsed = 0;
3993
3994 TRACE("waiting for %p\n", handles[1] );
3995 do
3996 {
3997 ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3998 switch (ret)
3999 {
4000 case WAIT_OBJECT_0:
4001 return 0;
4002 case WAIT_OBJECT_0+2:
4003 process_sent_messages();
4004 break;
4005 case WAIT_TIMEOUT:
4006 case WAIT_FAILED:
4007 TRACE("timeout or error\n");
4008 return ret;
4009 default:
4010 TRACE("finished\n");
4011 return 0;
4012 }
4013 if (dwTimeOut != INFINITE)
4014 {
4015 elapsed = GetTickCount() - start_time;
4016 if (elapsed > dwTimeOut)
4017 break;
4018 }
4019 }
4020 while (1);
4021
4022 return WAIT_TIMEOUT;
4023 }
4024
4025
4026 /***********************************************************************
4027 * RegisterWindowMessageA (USER32.@)
4028 * RegisterWindowMessage (USER.118)
4029 */
4030 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
4031 {
4032 UINT ret = GlobalAddAtomA(str);
4033 TRACE("%s, ret=%x\n", str, ret);
4034 return ret;
4035 }
4036
4037
4038 /***********************************************************************
4039 * RegisterWindowMessageW (USER32.@)
4040 */
4041 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
4042 {
4043 UINT ret = GlobalAddAtomW(str);
4044 TRACE("%s ret=%x\n", debugstr_w(str), ret);
4045 return ret;
4046 }
4047
4048 typedef struct BroadcastParm
4049 {
4050 DWORD flags;
4051 LPDWORD recipients;
4052 UINT msg;
4053 WPARAM wp;
4054 LPARAM lp;
4055 DWORD success;
4056 HWINSTA winsta;
4057 } BroadcastParm;
4058
4059 static BOOL CALLBACK bcast_childwindow( HWND hw, LPARAM lp )
4060 {
4061 BroadcastParm *parm = (BroadcastParm*)lp;
4062 DWORD_PTR retval = 0;
4063 LRESULT lresult;
4064
4065 if (parm->flags & BSF_IGNORECURRENTTASK && WIN_IsCurrentProcess(hw))
4066 {
4067 TRACE("Not telling myself %p\n", hw);
4068 return TRUE;
4069 }
4070
4071 /* I don't know 100% for sure if this is what Windows does, but it fits the tests */
4072 if (parm->flags & BSF_QUERY)
4073 {
4074 TRACE("Telling window %p using SendMessageTimeout\n", hw);
4075
4076 /* Not tested for conflicting flags */
4077 if (parm->flags & BSF_FORCEIFHUNG || parm->flags & BSF_NOHANG)
4078 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_ABORTIFHUNG, 2000, &retval );
4079 else if (parm->flags & BSF_NOTIMEOUTIFNOTHUNG)
4080 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NOTIMEOUTIFNOTHUNG, 2000, &retval );
4081 else
4082 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NORMAL, 2000, &retval );
4083
4084 if (!lresult && GetLastError() == ERROR_TIMEOUT)
4085 {
4086 WARN("Timed out!\n");
4087 if (!(parm->flags & BSF_FORCEIFHUNG))
4088 goto fail;
4089 }
4090 if (retval == BROADCAST_QUERY_DENY)
4091 goto fail;
4092
4093 return TRUE;
4094
4095 fail:
4096 parm->success = 0;
4097 return FALSE;
4098 }
4099 else if (parm->flags & BSF_POSTMESSAGE)
4100 {
4101 TRACE("Telling window %p using PostMessage\n", hw);
4102 PostMessageW( hw, parm->msg, parm->wp, parm->lp );
4103 }
4104 else
4105 {
4106 TRACE("Telling window %p using SendNotifyMessage\n", hw);
4107 SendNotifyMessageW( hw, parm->msg, parm->wp, parm->lp );
4108 }
4109
4110 return TRUE;
4111 }
4112
4113 static BOOL CALLBACK bcast_desktop( LPWSTR desktop, LPARAM lp )
4114 {
4115 BOOL ret;
4116 HDESK hdesktop;
4117 BroadcastParm *parm = (BroadcastParm*)lp;
4118
4119 TRACE("desktop: %s\n", debugstr_w( desktop ));
4120
4121 hdesktop = open_winstation_desktop( parm->winsta, desktop, 0, FALSE, DESKTOP_ENUMERATE|DESKTOP_WRITEOBJECTS|STANDARD_RIGHTS_WRITE );
4122 if (!hdesktop)
4123 {
4124 FIXME("Could not open desktop %s\n", debugstr_w(desktop));
4125 return TRUE;
4126 }
4127
4128 ret = EnumDesktopWindows( hdesktop, bcast_childwindow, lp );
4129 CloseDesktop(hdesktop);
4130 TRACE("-->%d\n", ret);
4131 return parm->success;
4132 }
4133
4134 static BOOL CALLBACK bcast_winsta( LPWSTR winsta, LPARAM lp )
4135 {
4136 BOOL ret;
4137 HWINSTA hwinsta = OpenWindowStationW( winsta, FALSE, WINSTA_ENUMDESKTOPS );
4138 TRACE("hwinsta: %p/%s/%08x\n", hwinsta, debugstr_w( winsta ), GetLastError());
4139 if (!hwinsta)
4140 return TRUE;
4141 ((BroadcastParm *)lp)->winsta = hwinsta;
4142 ret = EnumDesktopsW( hwinsta, bcast_desktop, lp );
4143 CloseWindowStation( hwinsta );
4144 TRACE("-->%d\n", ret);
4145 return ret;
4146 }
4147
4148 /***********************************************************************
4149 * BroadcastSystemMessageA (USER32.@)
4150 * BroadcastSystemMessage (USER32.@)
4151 */
4152 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4153 {
4154 return BroadcastSystemMessageExA( flags, recipients, msg, wp, lp, NULL );
4155 }
4156
4157
4158 /***********************************************************************
4159 * BroadcastSystemMessageW (USER32.@)
4160 */
4161 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4162 {
4163 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4164 }
4165
4166 /***********************************************************************
4167 * BroadcastSystemMessageExA (USER32.@)
4168 */
4169 LONG WINAPI BroadcastSystemMessageExA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4170 {
4171 map_wparam_AtoW( msg, &wp, WMCHAR_MAP_NOMAPPING );
4172 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4173 }
4174
4175
4176 /***********************************************************************
4177 * BroadcastSystemMessageExW (USER32.@)
4178 */
4179 LONG WINAPI BroadcastSystemMessageExW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4180 {
4181 BroadcastParm parm;
4182 DWORD recips = BSM_ALLCOMPONENTS;
4183 BOOL ret = TRUE;
4184 static const DWORD all_flags = ( BSF_QUERY | BSF_IGNORECURRENTTASK | BSF_FLUSHDISK | BSF_NOHANG
4185 | BSF_POSTMESSAGE | BSF_FORCEIFHUNG | BSF_NOTIMEOUTIFNOTHUNG
4186 | BSF_ALLOWSFW | BSF_SENDNOTIFYMESSAGE | BSF_RETURNHDESK | BSF_LUID );
4187
4188 TRACE("Flags: %08x, recipients: %p(0x%x), msg: %04x, wparam: %08lx, lparam: %08lx\n", flags, recipients,
4189 (recipients ? *recipients : recips), msg, wp, lp);
4190
4191 if (flags & ~all_flags)
4192 {
4193 SetLastError(ERROR_INVALID_PARAMETER);
4194 return 0;
4195 }
4196
4197 if (!recipients)
4198 recipients = &recips;
4199
4200 if ( pinfo && flags & BSF_QUERY )
4201 FIXME("Not returning PBSMINFO information yet\n");
4202
4203 parm.flags = flags;
4204 parm.recipients = recipients;
4205 parm.msg = msg;
4206 parm.wp = wp;
4207 parm.lp = lp;
4208 parm.success = TRUE;
4209
4210 if (*recipients & BSM_ALLDESKTOPS || *recipients == BSM_ALLCOMPONENTS)
4211 ret = EnumWindowStationsW(bcast_winsta, (LONG_PTR)&parm);
4212 else if (*recipients & BSM_APPLICATIONS)
4213 {
4214 EnumWindows(bcast_childwindow, (LONG_PTR)&parm);
4215 ret = parm.success;
4216 }
4217 else
4218 FIXME("Recipients %08x not supported!\n", *recipients);
4219
4220 return ret;
4221 }
4222
4223 /***********************************************************************
4224 * SetMessageQueue (USER32.@)
4225 */
4226 BOOL WINAPI SetMessageQueue( INT size )
4227 {
4228 /* now obsolete the message queue will be expanded dynamically as necessary */
4229 return TRUE;
4230 }
4231
4232
4233 /***********************************************************************
4234 * MessageBeep (USER32.@)
4235 */
4236 BOOL WINAPI MessageBeep( UINT i )
4237 {
4238 BOOL active = TRUE;
4239 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
4240 if (active) USER_Driver->pBeep();
4241 return TRUE;
4242 }
4243
4244
4245 /***********************************************************************
4246 * SetTimer (USER32.@)
4247 */
4248 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4249 {
4250 UINT_PTR ret;
4251 WNDPROC winproc = 0;
4252
4253 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4254
4255 SERVER_START_REQ( set_win_timer )
4256 {
4257 req->win = wine_server_user_handle( hwnd );
4258 req->msg = WM_TIMER;
4259 req->id = id;
4260 req->rate = max( timeout, SYS_TIMER_RATE );
4261 req->lparam = (ULONG_PTR)winproc;
4262 if (!wine_server_call_err( req ))
4263 {
4264 ret = reply->id;
4265 if (!ret) ret = TRUE;
4266 }
4267 else ret = 0;
4268 }
4269 SERVER_END_REQ;
4270
4271 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4272 return ret;
4273 }
4274
4275
4276 /***********************************************************************
4277 * SetSystemTimer (USER32.@)
4278 */
4279 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4280 {
4281 UINT_PTR ret;
4282 WNDPROC winproc = 0;
4283
4284 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4285
4286 SERVER_START_REQ( set_win_timer )
4287 {
4288 req->win = wine_server_user_handle( hwnd );
4289 req->msg = WM_SYSTIMER;
4290 req->id = id;
4291 req->rate = max( timeout, SYS_TIMER_RATE );
4292 req->lparam = (ULONG_PTR)winproc;
4293 if (!wine_server_call_err( req ))
4294 {
4295 ret = reply->id;
4296 if (!ret) ret = TRUE;
4297 }
4298 else ret = 0;
4299 }
4300 SERVER_END_REQ;
4301
4302 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4303 return ret;
4304 }
4305
4306
4307 /***********************************************************************
4308 * KillTimer (USER32.@)
4309 */
4310 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
4311 {
4312 BOOL ret;
4313
4314 SERVER_START_REQ( kill_win_timer )
4315 {
4316 req->win = wine_server_user_handle( hwnd );
4317 req->msg = WM_TIMER;
4318 req->id = id;
4319 ret = !wine_server_call_err( req );
4320 }
4321 SERVER_END_REQ;
4322 return ret;
4323 }
4324
4325
4326 /***********************************************************************
4327 * KillSystemTimer (USER32.@)
4328 */
4329 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
4330 {
4331 BOOL ret;
4332
4333 SERVER_START_REQ( kill_win_timer )
4334 {
4335 req->win = wine_server_user_handle( hwnd );
4336 req->msg = WM_SYSTIMER;
4337 req->id = id;
4338 ret = !wine_server_call_err( req );
4339 }
4340 SERVER_END_REQ;
4341 return ret;
4342 }
4343
4344
4345 /**********************************************************************
4346 * IsGUIThread (USER32.@)
4347 */
4348 BOOL WINAPI IsGUIThread( BOOL convert )
4349 {
4350 FIXME( "%u: stub\n", convert );
4351 return TRUE;
4352 }
4353
4354
4355 /**********************************************************************
4356 * GetGUIThreadInfo (USER32.@)
4357 */
4358 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
4359 {
4360 BOOL ret;
4361
4362 if (info->cbSize != sizeof(*info))
4363 {
4364 SetLastError( ERROR_INVALID_PARAMETER );
4365 return FALSE;
4366 }
4367
4368 SERVER_START_REQ( get_thread_input )
4369 {
4370 req->tid = id;
4371 if ((ret = !wine_server_call_err( req )))
4372 {
4373 info->flags = 0;
4374 info->hwndActive = wine_server_ptr_handle( reply->active );
4375 info->hwndFocus = wine_server_ptr_handle( reply->focus );
4376 info->hwndCapture = wine_server_ptr_handle( reply->capture );
4377 info->hwndMenuOwner = wine_server_ptr_handle( reply->menu_owner );
4378 info->hwndMoveSize = wine_server_ptr_handle( reply->move_size );
4379 info->hwndCaret = wine_server_ptr_handle( reply->caret );
4380 info->rcCaret.left = reply->rect.left;
4381 info->rcCaret.top = reply->rect.top;
4382 info->rcCaret.right = reply->rect.right;
4383 info->rcCaret.bottom = reply->rect.bottom;
4384 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
4385 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
4386 if (reply->caret) info->flags |= GUI_CARETBLINKING;
4387 }
4388 }
4389 SERVER_END_REQ;
4390 return ret;
4391 }
4392
4393
4394 /******************************************************************
4395 * IsHungAppWindow (USER32.@)
4396 *
4397 */
4398 BOOL WINAPI IsHungAppWindow( HWND hWnd )
4399 {
4400 BOOL ret;
4401
4402 SERVER_START_REQ( is_window_hung )
4403 {
4404 req->win = wine_server_user_handle( hWnd );
4405 ret = !wine_server_call_err( req ) && reply->is_hung;
4406 }
4407 SERVER_END_REQ;
4408 return ret;
4409 }
4410
4411 /******************************************************************
4412 * ChangeWindowMessageFilter (USER32.@)
4413 */
4414 BOOL WINAPI ChangeWindowMessageFilter( UINT message, DWORD flag )
4415 {
4416 FIXME( "%x %08x\n", message, flag );
4417 return TRUE;
4418 }
Maarten's multimedia branch