?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
user: Only wait for sent messages in wait_message_reply.
[wine/multimedia.git] / dlls / user / message.c
blobccb37e6a51be55f8b9d8f76bbc68879ea8355ad5
1 /*
2 * Window messaging support
3 *
4 * Copyright 2001 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <assert.h>
25 #include <stdarg.h>
26
27 #include "ntstatus.h"
28 #define WIN32_NO_STATUS
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winuser.h"
33 #include "winerror.h"
34 #include "winnls.h"
35 #include "dbt.h"
36 #include "dde.h"
37 #include "wine/unicode.h"
38 #include "wine/server.h"
39 #include "user_private.h"
40 #include "win.h"
41 #include "winpos.h"
42 #include "controls.h"
43 #include "winproc.h"
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(msg);
47 WINE_DECLARE_DEBUG_CHANNEL(relay);
48 WINE_DECLARE_DEBUG_CHANNEL(key);
49
50 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
51 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
52
53 #define MAX_PACK_COUNT 4
54 #define MAX_SENDMSG_RECURSION 64
55
56 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
57
58 /* description of the data fields that need to be packed along with a sent message */
59 struct packed_message
60 {
61 int count;
62 const void *data[MAX_PACK_COUNT];
63 size_t size[MAX_PACK_COUNT];
64 };
65
66 /* info about the message currently being received by the current thread */
67 struct received_message_info
68 {
69 enum message_type type;
70 MSG msg;
71 UINT flags; /* InSendMessageEx return flags */
72 HWINEVENTHOOK hook; /* winevent hook handle */
73 WINEVENTPROC hook_proc; /* winevent hook proc address */
74 };
75
76 /* structure to group all parameters for sent messages of the various kinds */
77 struct send_message_info
78 {
79 enum message_type type;
80 HWND hwnd;
81 UINT msg;
82 WPARAM wparam;
83 LPARAM lparam;
84 UINT flags; /* flags for SendMessageTimeout */
85 UINT timeout; /* timeout for SendMessageTimeout */
86 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
87 ULONG_PTR data; /* callback data */
88 };
89
90
91 /* flag for messages that contain pointers */
92 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
93
94 #define SET(msg) (1 << ((msg) & 31))
95
96 static const unsigned int message_pointer_flags[] =
97 {
98 /* 0x00 - 0x1f */
99 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
100 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
101 /* 0x20 - 0x3f */
102 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
103 SET(WM_COMPAREITEM),
104 /* 0x40 - 0x5f */
105 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
106 SET(WM_NOTIFY) | SET(WM_HELP),
107 /* 0x60 - 0x7f */
108 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
109 /* 0x80 - 0x9f */
110 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
111 /* 0xa0 - 0xbf */
112 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
113 /* 0xc0 - 0xdf */
114 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
115 /* 0xe0 - 0xff */
116 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
117 /* 0x100 - 0x11f */
118 0,
119 /* 0x120 - 0x13f */
120 0,
121 /* 0x140 - 0x15f */
122 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
123 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
124 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
125 /* 0x160 - 0x17f */
126 0,
127 /* 0x180 - 0x19f */
128 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
129 SET(LB_DIR) | SET(LB_FINDSTRING) |
130 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
131 /* 0x1a0 - 0x1bf */
132 SET(LB_FINDSTRINGEXACT),
133 /* 0x1c0 - 0x1df */
134 0,
135 /* 0x1e0 - 0x1ff */
136 0,
137 /* 0x200 - 0x21f */
138 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
139 /* 0x220 - 0x23f */
140 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
141 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
142 /* 0x240 - 0x25f */
143 0,
144 /* 0x260 - 0x27f */
145 0,
146 /* 0x280 - 0x29f */
147 0,
148 /* 0x2a0 - 0x2bf */
149 0,
150 /* 0x2c0 - 0x2df */
151 0,
152 /* 0x2e0 - 0x2ff */
153 0,
154 /* 0x300 - 0x31f */
155 SET(WM_ASKCBFORMATNAME)
156 };
157
158 /* flags for messages that contain Unicode strings */
159 static const unsigned int message_unicode_flags[] =
160 {
161 /* 0x00 - 0x1f */
162 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
163 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
164 /* 0x20 - 0x3f */
165 SET(WM_CHARTOITEM),
166 /* 0x40 - 0x5f */
167 0,
168 /* 0x60 - 0x7f */
169 0,
170 /* 0x80 - 0x9f */
171 SET(WM_NCCREATE),
172 /* 0xa0 - 0xbf */
173 0,
174 /* 0xc0 - 0xdf */
175 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
176 /* 0xe0 - 0xff */
177 0,
178 /* 0x100 - 0x11f */
179 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
180 /* 0x120 - 0x13f */
181 SET(WM_MENUCHAR),
182 /* 0x140 - 0x15f */
183 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
184 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
185 /* 0x160 - 0x17f */
186 0,
187 /* 0x180 - 0x19f */
188 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
189 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
190 /* 0x1a0 - 0x1bf */
191 SET(LB_FINDSTRINGEXACT),
192 /* 0x1c0 - 0x1df */
193 0,
194 /* 0x1e0 - 0x1ff */
195 0,
196 /* 0x200 - 0x21f */
197 0,
198 /* 0x220 - 0x23f */
199 SET(WM_MDICREATE),
200 /* 0x240 - 0x25f */
201 0,
202 /* 0x260 - 0x27f */
203 0,
204 /* 0x280 - 0x29f */
205 SET(WM_IME_CHAR),
206 /* 0x2a0 - 0x2bf */
207 0,
208 /* 0x2c0 - 0x2df */
209 0,
210 /* 0x2e0 - 0x2ff */
211 0,
212 /* 0x300 - 0x31f */
213 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
214 };
215
216 /* check whether a given message type includes pointers */
217 inline static int is_pointer_message( UINT message )
218 {
219 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
220 return (message_pointer_flags[message / 32] & SET(message)) != 0;
221 }
222
223 /* check whether a given message type contains Unicode (or ASCII) chars */
224 inline static int is_unicode_message( UINT message )
225 {
226 if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
227 return (message_unicode_flags[message / 32] & SET(message)) != 0;
228 }
229
230 #undef SET
231
232 /* add a data field to a packed message */
233 inline static void push_data( struct packed_message *data, const void *ptr, size_t size )
234 {
235 data->data[data->count] = ptr;
236 data->size[data->count] = size;
237 data->count++;
238 }
239
240 /* add a string to a packed message */
241 inline static void push_string( struct packed_message *data, LPCWSTR str )
242 {
243 push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
244 }
245
246 /* retrieve a pointer to data from a packed message and increment the buffer pointer */
247 inline static void *get_data( void **buffer, size_t size )
248 {
249 void *ret = *buffer;
250 *buffer = (char *)*buffer + size;
251 return ret;
252 }
253
254 /* make sure that the buffer contains a valid null-terminated Unicode string */
255 inline static BOOL check_string( LPCWSTR str, size_t size )
256 {
257 for (size /= sizeof(WCHAR); size; size--, str++)
258 if (!*str) return TRUE;
259 return FALSE;
260 }
261
262 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
263 inline static void *get_buffer_space( void **buffer, size_t size )
264 {
265 void *ret;
266
267 if (*buffer)
268 {
269 if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
270 HeapFree( GetProcessHeap(), 0, *buffer );
271 }
272 else ret = HeapAlloc( GetProcessHeap(), 0, size );
273
274 *buffer = ret;
275 return ret;
276 }
277
278 /* retrieve a string pointer from packed data */
279 inline static LPWSTR get_string( void **buffer )
280 {
281 return get_data( buffer, (strlenW( (LPWSTR)*buffer ) + 1) * sizeof(WCHAR) );
282 }
283
284 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
285 inline static BOOL combobox_has_strings( HWND hwnd )
286 {
287 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
288 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
289 }
290
291 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
292 inline static BOOL listbox_has_strings( HWND hwnd )
293 {
294 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
295 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
296 }
297
298 /* check whether message is in the range of keyboard messages */
299 inline static BOOL is_keyboard_message( UINT message )
300 {
301 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
302 }
303
304 /* check whether message is in the range of mouse messages */
305 inline static BOOL is_mouse_message( UINT message )
306 {
307 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
308 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
309 }
310
311 /* check whether message matches the specified hwnd filter */
312 inline static BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
313 {
314 if (!hwnd_filter) return TRUE;
315 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
316 }
317
318
319 /***********************************************************************
320 * broadcast_message_callback
321 *
322 * Helper callback for broadcasting messages.
323 */
324 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
325 {
326 struct send_message_info *info = (struct send_message_info *)lparam;
327 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
328 switch(info->type)
329 {
330 case MSG_UNICODE:
331 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
332 info->flags, info->timeout, NULL );
333 break;
334 case MSG_ASCII:
335 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
336 info->flags, info->timeout, NULL );
337 break;
338 case MSG_NOTIFY:
339 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
340 break;
341 case MSG_CALLBACK:
342 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
343 info->callback, info->data );
344 break;
345 case MSG_POSTED:
346 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
347 break;
348 default:
349 ERR( "bad type %d\n", info->type );
350 break;
351 }
352 return TRUE;
353 }
354
355
356 /***********************************************************************
357 * map_wparam_AtoW
358 *
359 * Convert the wparam of an ASCII message to Unicode.
360 */
361 static WPARAM map_wparam_AtoW( UINT message, WPARAM wparam )
362 {
363 switch(message)
364 {
365 case WM_CHARTOITEM:
366 case EM_SETPASSWORDCHAR:
367 case WM_CHAR:
368 case WM_DEADCHAR:
369 case WM_SYSCHAR:
370 case WM_SYSDEADCHAR:
371 case WM_MENUCHAR:
372 {
373 char ch[2];
374 WCHAR wch[2];
375 ch[0] = (wparam & 0xff);
376 ch[1] = (wparam >> 8);
377 MultiByteToWideChar(CP_ACP, 0, ch, 2, wch, 2);
378 wparam = MAKEWPARAM(wch[0], wch[1]);
379 }
380 break;
381 case WM_IME_CHAR:
382 {
383 char ch[2];
384 WCHAR wch;
385 ch[0] = (wparam >> 8);
386 ch[1] = (wparam & 0xff);
387 if (ch[0]) MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
388 else MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
389 wparam = MAKEWPARAM( wch, HIWORD(wparam) );
390 }
391 break;
392 }
393 return wparam;
394 }
395
396
397 /***********************************************************************
398 * map_wparam_WtoA
399 *
400 * Convert the wparam of a Unicode message to ASCII.
401 */
402 static WPARAM map_wparam_WtoA( UINT message, WPARAM wparam )
403 {
404 switch(message)
405 {
406 case WM_CHARTOITEM:
407 case EM_SETPASSWORDCHAR:
408 case WM_CHAR:
409 case WM_DEADCHAR:
410 case WM_SYSCHAR:
411 case WM_SYSDEADCHAR:
412 case WM_MENUCHAR:
413 {
414 WCHAR wch[2];
415 BYTE ch[2];
416 wch[0] = LOWORD(wparam);
417 wch[1] = HIWORD(wparam);
418 WideCharToMultiByte( CP_ACP, 0, wch, 2, (LPSTR)ch, 2, NULL, NULL );
419 wparam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
420 }
421 break;
422 case WM_IME_CHAR:
423 {
424 WCHAR wch = LOWORD(wparam);
425 BYTE ch[2];
426
427 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, (LPSTR)ch, 2, NULL, NULL ) == 2)
428 wparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wparam) );
429 else
430 wparam = MAKEWPARAM( ch[0], HIWORD(wparam) );
431 }
432 break;
433 }
434 return wparam;
435 }
436
437
438 /***********************************************************************
439 * pack_message
440 *
441 * Pack a message for sending to another process.
442 * Return the size of the data we expect in the message reply.
443 * Set data->count to -1 if there is an error.
444 */
445 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
446 struct packed_message *data )
447 {
448 data->count = 0;
449 switch(message)
450 {
451 case WM_NCCREATE:
452 case WM_CREATE:
453 {
454 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
455 push_data( data, cs, sizeof(*cs) );
456 if (HIWORD(cs->lpszName)) push_string( data, cs->lpszName );
457 if (HIWORD(cs->lpszClass)) push_string( data, cs->lpszClass );
458 return sizeof(*cs);
459 }
460 case WM_GETTEXT:
461 case WM_ASKCBFORMATNAME:
462 return wparam * sizeof(WCHAR);
463 case WM_WININICHANGE:
464 if (lparam) push_string(data, (LPWSTR)lparam );
465 return 0;
466 case WM_SETTEXT:
467 case WM_DEVMODECHANGE:
468 case CB_DIR:
469 case LB_DIR:
470 case LB_ADDFILE:
471 case EM_REPLACESEL:
472 push_string( data, (LPWSTR)lparam );
473 return 0;
474 case WM_GETMINMAXINFO:
475 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
476 return sizeof(MINMAXINFO);
477 case WM_DRAWITEM:
478 push_data( data, (DRAWITEMSTRUCT *)lparam, sizeof(DRAWITEMSTRUCT) );
479 return 0;
480 case WM_MEASUREITEM:
481 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
482 return sizeof(MEASUREITEMSTRUCT);
483 case WM_DELETEITEM:
484 push_data( data, (DELETEITEMSTRUCT *)lparam, sizeof(DELETEITEMSTRUCT) );
485 return 0;
486 case WM_COMPAREITEM:
487 push_data( data, (COMPAREITEMSTRUCT *)lparam, sizeof(COMPAREITEMSTRUCT) );
488 return 0;
489 case WM_WINDOWPOSCHANGING:
490 case WM_WINDOWPOSCHANGED:
491 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
492 return sizeof(WINDOWPOS);
493 case WM_COPYDATA:
494 {
495 COPYDATASTRUCT *cp = (COPYDATASTRUCT *)lparam;
496 push_data( data, cp, sizeof(*cp) );
497 if (cp->lpData) push_data( data, cp->lpData, cp->cbData );
498 return 0;
499 }
500 case WM_NOTIFY:
501 /* WM_NOTIFY cannot be sent across processes (MSDN) */
502 data->count = -1;
503 return 0;
504 case WM_HELP:
505 push_data( data, (HELPINFO *)lparam, sizeof(HELPINFO) );
506 return 0;
507 case WM_STYLECHANGING:
508 case WM_STYLECHANGED:
509 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
510 return 0;
511 case WM_NCCALCSIZE:
512 if (!wparam)
513 {
514 push_data( data, (RECT *)lparam, sizeof(RECT) );
515 return sizeof(RECT);
516 }
517 else
518 {
519 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
520 push_data( data, nc, sizeof(*nc) );
521 push_data( data, nc->lppos, sizeof(*nc->lppos) );
522 return sizeof(*nc) + sizeof(*nc->lppos);
523 }
524 case WM_GETDLGCODE:
525 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
526 return sizeof(MSG);
527 case SBM_SETSCROLLINFO:
528 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
529 return 0;
530 case SBM_GETSCROLLINFO:
531 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
532 return sizeof(SCROLLINFO);
533 case SBM_GETSCROLLBARINFO:
534 {
535 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
536 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
537 push_data( data, info, size );
538 return size;
539 }
540 case EM_GETSEL:
541 case SBM_GETRANGE:
542 case CB_GETEDITSEL:
543 {
544 size_t size = 0;
545 if (wparam) size += sizeof(DWORD);
546 if (lparam) size += sizeof(DWORD);
547 return size;
548 }
549 case EM_GETRECT:
550 case LB_GETITEMRECT:
551 case CB_GETDROPPEDCONTROLRECT:
552 return sizeof(RECT);
553 case EM_SETRECT:
554 case EM_SETRECTNP:
555 push_data( data, (RECT *)lparam, sizeof(RECT) );
556 return 0;
557 case EM_GETLINE:
558 {
559 WORD *pw = (WORD *)lparam;
560 push_data( data, pw, sizeof(*pw) );
561 return *pw * sizeof(WCHAR);
562 }
563 case EM_SETTABSTOPS:
564 case LB_SETTABSTOPS:
565 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
566 return 0;
567 case CB_ADDSTRING:
568 case CB_INSERTSTRING:
569 case CB_FINDSTRING:
570 case CB_FINDSTRINGEXACT:
571 case CB_SELECTSTRING:
572 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
573 return 0;
574 case CB_GETLBTEXT:
575 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
576 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
577 case LB_ADDSTRING:
578 case LB_INSERTSTRING:
579 case LB_FINDSTRING:
580 case LB_FINDSTRINGEXACT:
581 case LB_SELECTSTRING:
582 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
583 return 0;
584 case LB_GETTEXT:
585 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
586 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
587 case LB_GETSELITEMS:
588 return wparam * sizeof(UINT);
589 case WM_NEXTMENU:
590 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
591 return sizeof(MDINEXTMENU);
592 case WM_SIZING:
593 case WM_MOVING:
594 push_data( data, (RECT *)lparam, sizeof(RECT) );
595 return sizeof(RECT);
596 case WM_MDICREATE:
597 {
598 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
599 push_data( data, cs, sizeof(*cs) );
600 if (HIWORD(cs->szTitle)) push_string( data, cs->szTitle );
601 if (HIWORD(cs->szClass)) push_string( data, cs->szClass );
602 return sizeof(*cs);
603 }
604 case WM_MDIGETACTIVE:
605 if (lparam) return sizeof(BOOL);
606 return 0;
607 case WM_DEVICECHANGE:
608 {
609 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
610 push_data( data, header, header->dbch_size );
611 return 0;
612 }
613 case WM_WINE_SETWINDOWPOS:
614 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
615 return 0;
616 case WM_WINE_KEYBOARD_LL_HOOK:
617 push_data( data, (KBDLLHOOKSTRUCT *)lparam, sizeof(KBDLLHOOKSTRUCT) );
618 return 0;
619 case WM_WINE_MOUSE_LL_HOOK:
620 push_data( data, (MSLLHOOKSTRUCT *)lparam, sizeof(MSLLHOOKSTRUCT) );
621 return 0;
622 case WM_PAINT:
623 if (!wparam) return 0;
624 /* fall through */
625
626 /* these contain an HFONT */
627 case WM_SETFONT:
628 case WM_GETFONT:
629 /* these contain an HDC */
630 case WM_ERASEBKGND:
631 case WM_ICONERASEBKGND:
632 case WM_NCPAINT:
633 case WM_CTLCOLORMSGBOX:
634 case WM_CTLCOLOREDIT:
635 case WM_CTLCOLORLISTBOX:
636 case WM_CTLCOLORBTN:
637 case WM_CTLCOLORDLG:
638 case WM_CTLCOLORSCROLLBAR:
639 case WM_CTLCOLORSTATIC:
640 case WM_PRINT:
641 case WM_PRINTCLIENT:
642 /* these contain an HGLOBAL */
643 case WM_PAINTCLIPBOARD:
644 case WM_SIZECLIPBOARD:
645 /* these contain HICON */
646 case WM_GETICON:
647 case WM_SETICON:
648 case WM_QUERYDRAGICON:
649 case WM_QUERYPARKICON:
650 /* these contain pointers */
651 case WM_DROPOBJECT:
652 case WM_QUERYDROPOBJECT:
653 case WM_DRAGLOOP:
654 case WM_DRAGSELECT:
655 case WM_DRAGMOVE:
656 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
657 data->count = -1;
658 return 0;
659 }
660 return 0;
661 }
662
663
664 /***********************************************************************
665 * unpack_message
666 *
667 * Unpack a message received from another process.
668 */
669 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
670 void **buffer, size_t size )
671 {
672 size_t minsize = 0;
673
674 switch(message)
675 {
676 case WM_NCCREATE:
677 case WM_CREATE:
678 {
679 CREATESTRUCTW *cs = *buffer;
680 WCHAR *str = (WCHAR *)(cs + 1);
681 if (size < sizeof(*cs)) return FALSE;
682 size -= sizeof(*cs);
683 if (HIWORD(cs->lpszName))
684 {
685 if (!check_string( str, size )) return FALSE;
686 cs->lpszName = str;
687 size -= (strlenW(str) + 1) * sizeof(WCHAR);
688 str += strlenW(str) + 1;
689 }
690 if (HIWORD(cs->lpszClass))
691 {
692 if (!check_string( str, size )) return FALSE;
693 cs->lpszClass = str;
694 }
695 break;
696 }
697 case WM_GETTEXT:
698 case WM_ASKCBFORMATNAME:
699 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
700 break;
701 case WM_WININICHANGE:
702 if (!*lparam) return TRUE;
703 /* fall through */
704 case WM_SETTEXT:
705 case WM_DEVMODECHANGE:
706 case CB_DIR:
707 case LB_DIR:
708 case LB_ADDFILE:
709 case EM_REPLACESEL:
710 if (!check_string( *buffer, size )) return FALSE;
711 break;
712 case WM_GETMINMAXINFO:
713 minsize = sizeof(MINMAXINFO);
714 break;
715 case WM_DRAWITEM:
716 minsize = sizeof(DRAWITEMSTRUCT);
717 break;
718 case WM_MEASUREITEM:
719 minsize = sizeof(MEASUREITEMSTRUCT);
720 break;
721 case WM_DELETEITEM:
722 minsize = sizeof(DELETEITEMSTRUCT);
723 break;
724 case WM_COMPAREITEM:
725 minsize = sizeof(COMPAREITEMSTRUCT);
726 break;
727 case WM_WINDOWPOSCHANGING:
728 case WM_WINDOWPOSCHANGED:
729 case WM_WINE_SETWINDOWPOS:
730 minsize = sizeof(WINDOWPOS);
731 break;
732 case WM_COPYDATA:
733 {
734 COPYDATASTRUCT *cp = *buffer;
735 if (size < sizeof(*cp)) return FALSE;
736 if (cp->lpData)
737 {
738 minsize = sizeof(*cp) + cp->cbData;
739 cp->lpData = cp + 1;
740 }
741 break;
742 }
743 case WM_NOTIFY:
744 /* WM_NOTIFY cannot be sent across processes (MSDN) */
745 return FALSE;
746 case WM_HELP:
747 minsize = sizeof(HELPINFO);
748 break;
749 case WM_STYLECHANGING:
750 case WM_STYLECHANGED:
751 minsize = sizeof(STYLESTRUCT);
752 break;
753 case WM_NCCALCSIZE:
754 if (!*wparam) minsize = sizeof(RECT);
755 else
756 {
757 NCCALCSIZE_PARAMS *nc = *buffer;
758 if (size < sizeof(*nc) + sizeof(*nc->lppos)) return FALSE;
759 nc->lppos = (WINDOWPOS *)(nc + 1);
760 }
761 break;
762 case WM_GETDLGCODE:
763 if (!*lparam) return TRUE;
764 minsize = sizeof(MSG);
765 break;
766 case SBM_SETSCROLLINFO:
767 minsize = sizeof(SCROLLINFO);
768 break;
769 case SBM_GETSCROLLINFO:
770 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
771 break;
772 case SBM_GETSCROLLBARINFO:
773 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
774 break;
775 case EM_GETSEL:
776 case SBM_GETRANGE:
777 case CB_GETEDITSEL:
778 if (*wparam || *lparam)
779 {
780 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
781 if (*wparam) *wparam = (WPARAM)*buffer;
782 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
783 }
784 return TRUE;
785 case EM_GETRECT:
786 case LB_GETITEMRECT:
787 case CB_GETDROPPEDCONTROLRECT:
788 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
789 break;
790 case EM_SETRECT:
791 case EM_SETRECTNP:
792 minsize = sizeof(RECT);
793 break;
794 case EM_GETLINE:
795 {
796 WORD len;
797 if (size < sizeof(WORD)) return FALSE;
798 len = *(WORD *)*buffer;
799 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
800 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
801 return TRUE;
802 }
803 case EM_SETTABSTOPS:
804 case LB_SETTABSTOPS:
805 if (!*wparam) return TRUE;
806 minsize = *wparam * sizeof(UINT);
807 break;
808 case CB_ADDSTRING:
809 case CB_INSERTSTRING:
810 case CB_FINDSTRING:
811 case CB_FINDSTRINGEXACT:
812 case CB_SELECTSTRING:
813 case LB_ADDSTRING:
814 case LB_INSERTSTRING:
815 case LB_FINDSTRING:
816 case LB_FINDSTRINGEXACT:
817 case LB_SELECTSTRING:
818 if (!*buffer) return TRUE;
819 if (!check_string( *buffer, size )) return FALSE;
820 break;
821 case CB_GETLBTEXT:
822 {
823 size = sizeof(ULONG_PTR);
824 if (combobox_has_strings( hwnd ))
825 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
826 if (!get_buffer_space( buffer, size )) return FALSE;
827 break;
828 }
829 case LB_GETTEXT:
830 {
831 size = sizeof(ULONG_PTR);
832 if (listbox_has_strings( hwnd ))
833 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
834 if (!get_buffer_space( buffer, size )) return FALSE;
835 break;
836 }
837 case LB_GETSELITEMS:
838 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
839 break;
840 case WM_NEXTMENU:
841 minsize = sizeof(MDINEXTMENU);
842 if (!get_buffer_space( buffer, sizeof(MDINEXTMENU) )) return FALSE;
843 break;
844 case WM_SIZING:
845 case WM_MOVING:
846 minsize = sizeof(RECT);
847 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
848 break;
849 case WM_MDICREATE:
850 {
851 MDICREATESTRUCTW *cs = *buffer;
852 WCHAR *str = (WCHAR *)(cs + 1);
853 if (size < sizeof(*cs)) return FALSE;
854 size -= sizeof(*cs);
855 if (HIWORD(cs->szTitle))
856 {
857 if (!check_string( str, size )) return FALSE;
858 cs->szTitle = str;
859 size -= (strlenW(str) + 1) * sizeof(WCHAR);
860 str += strlenW(str) + 1;
861 }
862 if (HIWORD(cs->szClass))
863 {
864 if (!check_string( str, size )) return FALSE;
865 cs->szClass = str;
866 }
867 break;
868 }
869 case WM_MDIGETACTIVE:
870 if (!*lparam) return TRUE;
871 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
872 break;
873 case WM_DEVICECHANGE:
874 minsize = sizeof(DEV_BROADCAST_HDR);
875 break;
876 case WM_WINE_KEYBOARD_LL_HOOK:
877 minsize = sizeof(KBDLLHOOKSTRUCT);
878 break;
879 case WM_WINE_MOUSE_LL_HOOK:
880 minsize = sizeof(MSLLHOOKSTRUCT);
881 break;
882 case WM_PAINT:
883 if (!*wparam) return TRUE;
884 /* fall through */
885
886 /* these contain an HFONT */
887 case WM_SETFONT:
888 case WM_GETFONT:
889 /* these contain an HDC */
890 case WM_ERASEBKGND:
891 case WM_ICONERASEBKGND:
892 case WM_NCPAINT:
893 case WM_CTLCOLORMSGBOX:
894 case WM_CTLCOLOREDIT:
895 case WM_CTLCOLORLISTBOX:
896 case WM_CTLCOLORBTN:
897 case WM_CTLCOLORDLG:
898 case WM_CTLCOLORSCROLLBAR:
899 case WM_CTLCOLORSTATIC:
900 case WM_PRINT:
901 case WM_PRINTCLIENT:
902 /* these contain an HGLOBAL */
903 case WM_PAINTCLIPBOARD:
904 case WM_SIZECLIPBOARD:
905 /* these contain HICON */
906 case WM_GETICON:
907 case WM_SETICON:
908 case WM_QUERYDRAGICON:
909 case WM_QUERYPARKICON:
910 /* these contain pointers */
911 case WM_DROPOBJECT:
912 case WM_QUERYDROPOBJECT:
913 case WM_DRAGLOOP:
914 case WM_DRAGSELECT:
915 case WM_DRAGMOVE:
916 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
917 return FALSE;
918
919 default:
920 return TRUE; /* message doesn't need any unpacking */
921 }
922
923 /* default exit for most messages: check minsize and store buffer in lparam */
924 if (size < minsize) return FALSE;
925 *lparam = (LPARAM)*buffer;
926 return TRUE;
927 }
928
929
930 /***********************************************************************
931 * pack_reply
932 *
933 * Pack a reply to a message for sending to another process.
934 */
935 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
936 LRESULT res, struct packed_message *data )
937 {
938 data->count = 0;
939 switch(message)
940 {
941 case WM_NCCREATE:
942 case WM_CREATE:
943 push_data( data, (CREATESTRUCTW *)lparam, sizeof(CREATESTRUCTW) );
944 break;
945 case WM_GETTEXT:
946 case CB_GETLBTEXT:
947 case LB_GETTEXT:
948 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
949 break;
950 case WM_GETMINMAXINFO:
951 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
952 break;
953 case WM_MEASUREITEM:
954 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
955 break;
956 case WM_WINDOWPOSCHANGING:
957 case WM_WINDOWPOSCHANGED:
958 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
959 break;
960 case WM_GETDLGCODE:
961 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
962 break;
963 case SBM_GETSCROLLINFO:
964 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
965 break;
966 case EM_GETRECT:
967 case LB_GETITEMRECT:
968 case CB_GETDROPPEDCONTROLRECT:
969 case WM_SIZING:
970 case WM_MOVING:
971 push_data( data, (RECT *)lparam, sizeof(RECT) );
972 break;
973 case EM_GETLINE:
974 {
975 WORD *ptr = (WORD *)lparam;
976 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
977 break;
978 }
979 case LB_GETSELITEMS:
980 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
981 break;
982 case WM_MDIGETACTIVE:
983 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
984 break;
985 case WM_NCCALCSIZE:
986 if (!wparam)
987 push_data( data, (RECT *)lparam, sizeof(RECT) );
988 else
989 {
990 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
991 push_data( data, nc, sizeof(*nc) );
992 push_data( data, nc->lppos, sizeof(*nc->lppos) );
993 }
994 break;
995 case EM_GETSEL:
996 case SBM_GETRANGE:
997 case CB_GETEDITSEL:
998 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
999 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
1000 break;
1001 case WM_NEXTMENU:
1002 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
1003 break;
1004 case WM_MDICREATE:
1005 push_data( data, (MDICREATESTRUCTW *)lparam, sizeof(MDICREATESTRUCTW) );
1006 break;
1007 case WM_ASKCBFORMATNAME:
1008 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1009 break;
1010 }
1011 }
1012
1013
1014 /***********************************************************************
1015 * unpack_reply
1016 *
1017 * Unpack a message reply received from another process.
1018 */
1019 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1020 void *buffer, size_t size )
1021 {
1022 switch(message)
1023 {
1024 case WM_NCCREATE:
1025 case WM_CREATE:
1026 {
1027 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1028 LPCWSTR name = cs->lpszName, class = cs->lpszClass;
1029 memcpy( cs, buffer, min( sizeof(*cs), size ));
1030 cs->lpszName = name; /* restore the original pointers */
1031 cs->lpszClass = class;
1032 break;
1033 }
1034 case WM_GETTEXT:
1035 case WM_ASKCBFORMATNAME:
1036 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1037 break;
1038 case WM_GETMINMAXINFO:
1039 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1040 break;
1041 case WM_MEASUREITEM:
1042 memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size ));
1043 break;
1044 case WM_WINDOWPOSCHANGING:
1045 case WM_WINDOWPOSCHANGED:
1046 memcpy( (WINDOWPOS *)lparam, buffer, min( sizeof(WINDOWPOS), size ));
1047 break;
1048 case WM_GETDLGCODE:
1049 if (lparam) memcpy( (MSG *)lparam, buffer, min( sizeof(MSG), size ));
1050 break;
1051 case SBM_GETSCROLLINFO:
1052 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1053 break;
1054 case SBM_GETSCROLLBARINFO:
1055 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1056 break;
1057 case EM_GETRECT:
1058 case CB_GETDROPPEDCONTROLRECT:
1059 case LB_GETITEMRECT:
1060 case WM_SIZING:
1061 case WM_MOVING:
1062 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1063 break;
1064 case EM_GETLINE:
1065 size = min( size, (size_t)*(WORD *)lparam );
1066 memcpy( (WCHAR *)lparam, buffer, size );
1067 break;
1068 case LB_GETSELITEMS:
1069 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1070 break;
1071 case LB_GETTEXT:
1072 case CB_GETLBTEXT:
1073 memcpy( (WCHAR *)lparam, buffer, size );
1074 break;
1075 case WM_NEXTMENU:
1076 memcpy( (MDINEXTMENU *)lparam, buffer, min( sizeof(MDINEXTMENU), size ));
1077 break;
1078 case WM_MDIGETACTIVE:
1079 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1080 break;
1081 case WM_NCCALCSIZE:
1082 if (!wparam)
1083 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1084 else
1085 {
1086 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1087 WINDOWPOS *wp = nc->lppos;
1088 memcpy( nc, buffer, min( sizeof(*nc), size ));
1089 if (size > sizeof(*nc))
1090 {
1091 size -= sizeof(*nc);
1092 memcpy( wp, (NCCALCSIZE_PARAMS*)buffer + 1, min( sizeof(*wp), size ));
1093 }
1094 nc->lppos = wp; /* restore the original pointer */
1095 }
1096 break;
1097 case EM_GETSEL:
1098 case SBM_GETRANGE:
1099 case CB_GETEDITSEL:
1100 if (wparam)
1101 {
1102 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1103 if (size <= sizeof(DWORD)) break;
1104 size -= sizeof(DWORD);
1105 buffer = (DWORD *)buffer + 1;
1106 }
1107 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1108 break;
1109 case WM_MDICREATE:
1110 {
1111 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
1112 LPCWSTR title = cs->szTitle, class = cs->szClass;
1113 memcpy( cs, buffer, min( sizeof(*cs), size ));
1114 cs->szTitle = title; /* restore the original pointers */
1115 cs->szClass = class;
1116 break;
1117 }
1118 default:
1119 ERR( "should not happen: unexpected message %x\n", message );
1120 break;
1121 }
1122 }
1123
1124
1125 /***********************************************************************
1126 * reply_message
1127 *
1128 * Send a reply to a sent message.
1129 */
1130 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1131 {
1132 struct packed_message data;
1133 int i, replied = info->flags & ISMEX_REPLIED;
1134
1135 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1136 if (!remove && replied) return; /* replied already */
1137
1138 data.count = 0;
1139 info->flags |= ISMEX_REPLIED;
1140
1141 if (info->type == MSG_OTHER_PROCESS && !replied)
1142 {
1143 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1144 info->msg.lParam, result, &data );
1145 }
1146
1147 SERVER_START_REQ( reply_message )
1148 {
1149 req->result = result;
1150 req->remove = remove;
1151 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1152 wine_server_call( req );
1153 }
1154 SERVER_END_REQ;
1155 }
1156
1157
1158 /***********************************************************************
1159 * handle_internal_message
1160 *
1161 * Handle an internal Wine message instead of calling the window proc.
1162 */
1163 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1164 {
1165 switch(msg)
1166 {
1167 case WM_WINE_DESTROYWINDOW:
1168 return WIN_DestroyWindow( hwnd );
1169 case WM_WINE_SETWINDOWPOS:
1170 if (hwnd == GetDesktopWindow()) return 0;
1171 return USER_Driver->pSetWindowPos( (WINDOWPOS *)lparam );
1172 case WM_WINE_SHOWWINDOW:
1173 if (hwnd == GetDesktopWindow()) return 0;
1174 return ShowWindow( hwnd, wparam );
1175 case WM_WINE_SETPARENT:
1176 if (hwnd == GetDesktopWindow()) return 0;
1177 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1178 case WM_WINE_SETWINDOWLONG:
1179 return (LRESULT)SetWindowLongW( hwnd, wparam, lparam );
1180 case WM_WINE_ENABLEWINDOW:
1181 if (hwnd == GetDesktopWindow()) return 0;
1182 return EnableWindow( hwnd, wparam );
1183 case WM_WINE_SETACTIVEWINDOW:
1184 if (hwnd == GetDesktopWindow()) return 0;
1185 return (LRESULT)SetActiveWindow( (HWND)wparam );
1186 case WM_WINE_KEYBOARD_LL_HOOK:
1187 return HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, wparam, lparam, TRUE );
1188 case WM_WINE_MOUSE_LL_HOOK:
1189 return HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, wparam, lparam, TRUE );
1190 default:
1191 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1192 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1193 FIXME( "unknown internal message %x\n", msg );
1194 return 0;
1195 }
1196 }
1197
1198 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1199 * to the memory handle, we keep track (in the server side) of all pairs of handle
1200 * used (the client passes its value and the content of the memory handle), and
1201 * the server stored both values (the client, and the local one, created after the
1202 * content). When a ACK message is generated, the list of pair is searched for a
1203 * matching pair, so that the client memory handle can be returned.
1204 */
1205 struct DDE_pair {
1206 HGLOBAL client_hMem;
1207 HGLOBAL server_hMem;
1208 };
1209
1210 static struct DDE_pair* dde_pairs;
1211 static int dde_num_alloc;
1212 static int dde_num_used;
1213
1214 static CRITICAL_SECTION dde_crst;
1215 static CRITICAL_SECTION_DEBUG critsect_debug =
1216 {
1217 0, 0, &dde_crst,
1218 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1219 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1220 };
1221 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1222
1223 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1224 {
1225 int i;
1226 #define GROWBY 4
1227
1228 EnterCriticalSection(&dde_crst);
1229
1230 /* now remember the pair of hMem on both sides */
1231 if (dde_num_used == dde_num_alloc)
1232 {
1233 struct DDE_pair* tmp;
1234 if (dde_pairs)
1235 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1236 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1237 else
1238 tmp = HeapAlloc( GetProcessHeap(), 0,
1239 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1240
1241 if (!tmp)
1242 {
1243 LeaveCriticalSection(&dde_crst);
1244 return FALSE;
1245 }
1246 dde_pairs = tmp;
1247 /* zero out newly allocated part */
1248 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1249 dde_num_alloc += GROWBY;
1250 }
1251 #undef GROWBY
1252 for (i = 0; i < dde_num_alloc; i++)
1253 {
1254 if (dde_pairs[i].server_hMem == 0)
1255 {
1256 dde_pairs[i].client_hMem = chm;
1257 dde_pairs[i].server_hMem = shm;
1258 dde_num_used++;
1259 break;
1260 }
1261 }
1262 LeaveCriticalSection(&dde_crst);
1263 return TRUE;
1264 }
1265
1266 static HGLOBAL dde_get_pair(HGLOBAL shm)
1267 {
1268 int i;
1269 HGLOBAL ret = 0;
1270
1271 EnterCriticalSection(&dde_crst);
1272 for (i = 0; i < dde_num_alloc; i++)
1273 {
1274 if (dde_pairs[i].server_hMem == shm)
1275 {
1276 /* free this pair */
1277 dde_pairs[i].server_hMem = 0;
1278 dde_num_used--;
1279 ret = dde_pairs[i].client_hMem;
1280 break;
1281 }
1282 }
1283 LeaveCriticalSection(&dde_crst);
1284 return ret;
1285 }
1286
1287 /***********************************************************************
1288 * post_dde_message
1289 *
1290 * Post a DDE message
1291 */
1292 static BOOL post_dde_message( DWORD dest_tid, struct packed_message *data, const struct send_message_info *info )
1293 {
1294 void* ptr = NULL;
1295 int size = 0;
1296 UINT_PTR uiLo, uiHi;
1297 LPARAM lp = 0;
1298 HGLOBAL hunlock = 0;
1299 int i;
1300 DWORD res;
1301
1302 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1303 return FALSE;
1304
1305 lp = info->lparam;
1306 switch (info->msg)
1307 {
1308 /* DDE messages which don't require packing are:
1309 * WM_DDE_INITIATE
1310 * WM_DDE_TERMINATE
1311 * WM_DDE_REQUEST
1312 * WM_DDE_UNADVISE
1313 */
1314 case WM_DDE_ACK:
1315 if (HIWORD(uiHi))
1316 {
1317 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
1318 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
1319 if (h)
1320 {
1321 /* send back the value of h on the other side */
1322 push_data( data, &h, sizeof(HGLOBAL) );
1323 lp = uiLo;
1324 TRACE( "send dde-ack %x %08x => %p\n", uiLo, uiHi, h );
1325 }
1326 }
1327 else
1328 {
1329 /* uiHi should contain either an atom or 0 */
1330 TRACE( "send dde-ack %x atom=%x\n", uiLo, uiHi );
1331 lp = MAKELONG( uiLo, uiHi );
1332 }
1333 break;
1334 case WM_DDE_ADVISE:
1335 case WM_DDE_DATA:
1336 case WM_DDE_POKE:
1337 size = 0;
1338 if (uiLo)
1339 {
1340 size = GlobalSize( (HGLOBAL)uiLo ) ;
1341 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
1342 (info->msg == WM_DDE_DATA && size < sizeof(DDEDATA)) ||
1343 (info->msg == WM_DDE_POKE && size < sizeof(DDEPOKE))
1344 )
1345 return FALSE;
1346 }
1347 else if (info->msg != WM_DDE_DATA) return FALSE;
1348
1349 lp = uiHi;
1350 if (uiLo)
1351 {
1352 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
1353 {
1354 DDEDATA *dde_data = (DDEDATA *)ptr;
1355 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
1356 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
1357 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
1358 push_data( data, ptr, size );
1359 hunlock = (HGLOBAL)uiLo;
1360 }
1361 }
1362 TRACE( "send ddepack %u %x\n", size, uiHi );
1363 break;
1364 case WM_DDE_EXECUTE:
1365 if (info->lparam)
1366 {
1367 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
1368 {
1369 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
1370 /* so that the other side can send it back on ACK */
1371 lp = info->lparam;
1372 hunlock = (HGLOBAL)info->lparam;
1373 }
1374 }
1375 break;
1376 }
1377 SERVER_START_REQ( send_message )
1378 {
1379 req->id = dest_tid;
1380 req->type = info->type;
1381 req->flags = 0;
1382 req->win = info->hwnd;
1383 req->msg = info->msg;
1384 req->wparam = info->wparam;
1385 req->lparam = lp;
1386 req->time = GetCurrentTime();
1387 req->timeout = 0;
1388 for (i = 0; i < data->count; i++)
1389 wine_server_add_data( req, data->data[i], data->size[i] );
1390 if ((res = wine_server_call( req )))
1391 {
1392 if (res == STATUS_INVALID_PARAMETER)
1393 /* FIXME: find a STATUS_ value for this one */
1394 SetLastError( ERROR_INVALID_THREAD_ID );
1395 else
1396 SetLastError( RtlNtStatusToDosError(res) );
1397 }
1398 else
1399 FreeDDElParam(info->msg, info->lparam);
1400 }
1401 SERVER_END_REQ;
1402 if (hunlock) GlobalUnlock(hunlock);
1403
1404 return !res;
1405 }
1406
1407 /***********************************************************************
1408 * unpack_dde_message
1409 *
1410 * Unpack a posted DDE message received from another process.
1411 */
1412 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1413 void **buffer, size_t size )
1414 {
1415 UINT_PTR uiLo, uiHi;
1416 HGLOBAL hMem = 0;
1417 void* ptr;
1418
1419 switch (message)
1420 {
1421 case WM_DDE_ACK:
1422 if (size)
1423 {
1424 /* hMem is being passed */
1425 if (size != sizeof(HGLOBAL)) return FALSE;
1426 if (!buffer || !*buffer) return FALSE;
1427 uiLo = *lparam;
1428 memcpy( &hMem, *buffer, size );
1429 uiHi = (UINT_PTR)hMem;
1430 TRACE("recv dde-ack %x mem=%x[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
1431 }
1432 else
1433 {
1434 uiLo = LOWORD( *lparam );
1435 uiHi = HIWORD( *lparam );
1436 TRACE("recv dde-ack %x atom=%x\n", uiLo, uiHi);
1437 }
1438 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
1439 break;
1440 case WM_DDE_ADVISE:
1441 case WM_DDE_DATA:
1442 case WM_DDE_POKE:
1443 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
1444 uiHi = *lparam;
1445 TRACE( "recv ddepack %u %x\n", size, uiHi );
1446 if (size)
1447 {
1448 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
1449 return FALSE;
1450 if ((ptr = GlobalLock( hMem )))
1451 {
1452 memcpy( ptr, *buffer, size );
1453 GlobalUnlock( hMem );
1454 }
1455 else
1456 {
1457 GlobalFree( hMem );
1458 return FALSE;
1459 }
1460 }
1461 uiLo = (UINT_PTR)hMem;
1462
1463 *lparam = PackDDElParam( message, uiLo, uiHi );
1464 break;
1465 case WM_DDE_EXECUTE:
1466 if (size)
1467 {
1468 if (!buffer || !*buffer) return FALSE;
1469 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
1470 if ((ptr = GlobalLock( hMem )))
1471 {
1472 memcpy( ptr, *buffer, size );
1473 GlobalUnlock( hMem );
1474 TRACE( "exec: pairing c=%08lx s=%08lx\n", *lparam, (DWORD)hMem );
1475 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
1476 {
1477 GlobalFree( hMem );
1478 return FALSE;
1479 }
1480 }
1481 else
1482 {
1483 GlobalFree( hMem );
1484 return FALSE;
1485 }
1486 } else return FALSE;
1487 *lparam = (LPARAM)hMem;
1488 break;
1489 }
1490 return TRUE;
1491 }
1492
1493 /***********************************************************************
1494 * call_window_proc
1495 *
1496 * Call a window procedure and the corresponding hooks.
1497 */
1498 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
1499 BOOL unicode, BOOL same_thread )
1500 {
1501 struct user_thread_info *thread_info = get_user_thread_info();
1502 LRESULT result = 0;
1503 WNDPROC winproc;
1504 CWPSTRUCT cwp;
1505 CWPRETSTRUCT cwpret;
1506
1507 if (thread_info->recursion_count > MAX_SENDMSG_RECURSION) return 0;
1508 thread_info->recursion_count++;
1509
1510 if (msg & 0x80000000)
1511 {
1512 result = handle_internal_message( hwnd, msg, wparam, lparam );
1513 goto done;
1514 }
1515
1516 /* first the WH_CALLWNDPROC hook */
1517 hwnd = WIN_GetFullHandle( hwnd );
1518 cwp.lParam = lparam;
1519 cwp.wParam = wparam;
1520 cwp.message = msg;
1521 cwp.hwnd = hwnd;
1522 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
1523
1524 /* now call the window procedure */
1525 if (unicode)
1526 {
1527 if (!(winproc = (WNDPROC)GetWindowLongPtrW( hwnd, GWLP_WNDPROC ))) goto done;
1528 result = CallWindowProcW( winproc, hwnd, msg, wparam, lparam );
1529 }
1530 else
1531 {
1532 if (!(winproc = (WNDPROC)GetWindowLongPtrA( hwnd, GWLP_WNDPROC ))) goto done;
1533 result = CallWindowProcA( winproc, hwnd, msg, wparam, lparam );
1534 }
1535
1536 /* and finally the WH_CALLWNDPROCRET hook */
1537 cwpret.lResult = result;
1538 cwpret.lParam = lparam;
1539 cwpret.wParam = wparam;
1540 cwpret.message = msg;
1541 cwpret.hwnd = hwnd;
1542 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
1543 done:
1544 thread_info->recursion_count--;
1545 return result;
1546 }
1547
1548
1549 /***********************************************************************
1550 * send_parent_notify
1551 *
1552 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
1553 * the window has the WS_EX_NOPARENTNOTIFY style.
1554 */
1555 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
1556 {
1557 /* pt has to be in the client coordinates of the parent window */
1558 MapWindowPoints( 0, hwnd, &pt, 1 );
1559 for (;;)
1560 {
1561 HWND parent;
1562
1563 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
1564 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
1565 if (!(parent = GetParent(hwnd))) break;
1566 if (parent == GetDesktopWindow()) break;
1567 MapWindowPoints( hwnd, parent, &pt, 1 );
1568 hwnd = parent;
1569 SendMessageW( hwnd, WM_PARENTNOTIFY,
1570 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1571 }
1572 }
1573
1574
1575 /***********************************************************************
1576 * accept_hardware_message
1577 *
1578 * Tell the server we have passed the message to the app
1579 * (even though we may end up dropping it later on)
1580 */
1581 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
1582 {
1583 SERVER_START_REQ( accept_hardware_message )
1584 {
1585 req->hw_id = hw_id;
1586 req->remove = remove;
1587 req->new_win = new_hwnd;
1588 if (wine_server_call( req ))
1589 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
1590 }
1591 SERVER_END_REQ;
1592 }
1593
1594
1595 /***********************************************************************
1596 * process_keyboard_message
1597 *
1598 * returns TRUE if the contents of 'msg' should be passed to the application
1599 */
1600 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
1601 UINT first, UINT last, BOOL remove )
1602 {
1603 EVENTMSG event;
1604
1605 /* FIXME: is this really the right place for this hook? */
1606 event.message = msg->message;
1607 event.hwnd = msg->hwnd;
1608 event.time = msg->time;
1609 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
1610 event.paramH = msg->lParam & 0x7FFF;
1611 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
1612 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1613
1614 /* check message filters */
1615 if (msg->message < first || msg->message > last) return FALSE;
1616 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1617
1618 if (remove)
1619 {
1620 /* Handle F1 key by sending out WM_HELP message */
1621 if ((msg->message == WM_KEYUP) &&
1622 (msg->wParam == VK_F1) &&
1623 (msg->hwnd != GetDesktopWindow()) &&
1624 !MENU_IsMenuActive())
1625 {
1626 HELPINFO hi;
1627 hi.cbSize = sizeof(HELPINFO);
1628 hi.iContextType = HELPINFO_WINDOW;
1629 hi.iCtrlId = GetWindowLongPtrA( msg->hwnd, GWLP_ID );
1630 hi.hItemHandle = msg->hwnd;
1631 hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
1632 hi.MousePos = msg->pt;
1633 SendMessageW( msg->hwnd, WM_HELP, 0, (LPARAM)&hi );
1634 }
1635 }
1636
1637 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
1638 LOWORD(msg->wParam), msg->lParam, TRUE ))
1639 {
1640 /* skip this message */
1641 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
1642 accept_hardware_message( hw_id, TRUE, 0 );
1643 return FALSE;
1644 }
1645 accept_hardware_message( hw_id, remove, 0 );
1646 return TRUE;
1647 }
1648
1649
1650 /***********************************************************************
1651 * process_mouse_message
1652 *
1653 * returns TRUE if the contents of 'msg' should be passed to the application
1654 */
1655 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1656 UINT first, UINT last, BOOL remove )
1657 {
1658 static MSG clk_msg;
1659
1660 POINT pt;
1661 UINT message;
1662 INT hittest;
1663 EVENTMSG event;
1664 GUITHREADINFO info;
1665 MOUSEHOOKSTRUCT hook;
1666 BOOL eatMsg;
1667
1668 /* find the window to dispatch this mouse message to */
1669
1670 GetGUIThreadInfo( GetCurrentThreadId(), &info );
1671 if (info.hwndCapture)
1672 {
1673 hittest = HTCLIENT;
1674 msg->hwnd = info.hwndCapture;
1675 }
1676 else
1677 {
1678 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
1679 }
1680
1681 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
1682 {
1683 accept_hardware_message( hw_id, TRUE, msg->hwnd );
1684 return FALSE;
1685 }
1686
1687 /* FIXME: is this really the right place for this hook? */
1688 event.message = msg->message;
1689 event.time = msg->time;
1690 event.hwnd = msg->hwnd;
1691 event.paramL = msg->pt.x;
1692 event.paramH = msg->pt.y;
1693 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1694
1695 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1696
1697 pt = msg->pt;
1698 message = msg->message;
1699 /* Note: windows has no concept of a non-client wheel message */
1700 if (message != WM_MOUSEWHEEL)
1701 {
1702 if (hittest != HTCLIENT)
1703 {
1704 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
1705 msg->wParam = hittest;
1706 }
1707 else
1708 {
1709 /* coordinates don't get translated while tracking a menu */
1710 /* FIXME: should differentiate popups and top-level menus */
1711 if (!(info.flags & GUI_INMENUMODE))
1712 ScreenToClient( msg->hwnd, &pt );
1713 }
1714 }
1715 msg->lParam = MAKELONG( pt.x, pt.y );
1716
1717 /* translate double clicks */
1718
1719 if ((msg->message == WM_LBUTTONDOWN) ||
1720 (msg->message == WM_RBUTTONDOWN) ||
1721 (msg->message == WM_MBUTTONDOWN) ||
1722 (msg->message == WM_XBUTTONDOWN))
1723 {
1724 BOOL update = remove;
1725
1726 /* translate double clicks -
1727 * note that ...MOUSEMOVEs can slip in between
1728 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1729
1730 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
1731 hittest != HTCLIENT ||
1732 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
1733 {
1734 if ((msg->message == clk_msg.message) &&
1735 (msg->hwnd == clk_msg.hwnd) &&
1736 (msg->wParam == clk_msg.wParam) &&
1737 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
1738 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
1739 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
1740 {
1741 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
1742 if (update)
1743 {
1744 clk_msg.message = 0; /* clear the double click conditions */
1745 update = FALSE;
1746 }
1747 }
1748 }
1749 if (message < first || message > last) return FALSE;
1750 /* update static double click conditions */
1751 if (update) clk_msg = *msg;
1752 }
1753 else
1754 {
1755 if (message < first || message > last) return FALSE;
1756 }
1757
1758 /* message is accepted now (but may still get dropped) */
1759
1760 hook.pt = msg->pt;
1761 hook.hwnd = msg->hwnd;
1762 hook.wHitTestCode = hittest;
1763 hook.dwExtraInfo = extra_info;
1764 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
1765 message, (LPARAM)&hook, TRUE ))
1766 {
1767 hook.pt = msg->pt;
1768 hook.hwnd = msg->hwnd;
1769 hook.wHitTestCode = hittest;
1770 hook.dwExtraInfo = extra_info;
1771 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
1772 accept_hardware_message( hw_id, TRUE, 0 );
1773 return FALSE;
1774 }
1775
1776 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
1777 {
1778 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
1779 MAKELONG( hittest, msg->message ));
1780 accept_hardware_message( hw_id, TRUE, 0 );
1781 return FALSE;
1782 }
1783
1784 accept_hardware_message( hw_id, remove, 0 );
1785
1786 if (!remove || info.hwndCapture)
1787 {
1788 msg->message = message;
1789 return TRUE;
1790 }
1791
1792 eatMsg = FALSE;
1793
1794 if ((msg->message == WM_LBUTTONDOWN) ||
1795 (msg->message == WM_RBUTTONDOWN) ||
1796 (msg->message == WM_MBUTTONDOWN) ||
1797 (msg->message == WM_XBUTTONDOWN))
1798 {
1799 /* Send the WM_PARENTNOTIFY,
1800 * note that even for double/nonclient clicks
1801 * notification message is still WM_L/M/RBUTTONDOWN.
1802 */
1803 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
1804
1805 /* Activate the window if needed */
1806
1807 if (msg->hwnd != info.hwndActive)
1808 {
1809 HWND hwndTop = msg->hwnd;
1810 while (hwndTop)
1811 {
1812 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
1813 hwndTop = GetParent( hwndTop );
1814 }
1815
1816 if (hwndTop && hwndTop != GetDesktopWindow())
1817 {
1818 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
1819 MAKELONG( hittest, msg->message ) );
1820 switch(ret)
1821 {
1822 case MA_NOACTIVATEANDEAT:
1823 eatMsg = TRUE;
1824 /* fall through */
1825 case MA_NOACTIVATE:
1826 break;
1827 case MA_ACTIVATEANDEAT:
1828 eatMsg = TRUE;
1829 /* fall through */
1830 case MA_ACTIVATE:
1831 case 0:
1832 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
1833 break;
1834 default:
1835 WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret );
1836 break;
1837 }
1838 }
1839 }
1840 }
1841
1842 /* send the WM_SETCURSOR message */
1843
1844 /* Windows sends the normal mouse message as the message parameter
1845 in the WM_SETCURSOR message even if it's non-client mouse message */
1846 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1847
1848 msg->message = message;
1849 return !eatMsg;
1850 }
1851
1852
1853 /***********************************************************************
1854 * process_hardware_message
1855 *
1856 * Process a hardware message; return TRUE if message should be passed on to the app
1857 */
1858 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1859 UINT first, UINT last, BOOL remove )
1860 {
1861 if (is_keyboard_message( msg->message ))
1862 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
1863
1864 if (is_mouse_message( msg->message ))
1865 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
1866
1867 ERR( "unknown message type %x\n", msg->message );
1868 return FALSE;
1869 }
1870
1871
1872 /***********************************************************************
1873 * call_sendmsg_callback
1874 *
1875 * Call the callback function of SendMessageCallback.
1876 */
1877 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
1878 ULONG_PTR data, LRESULT result )
1879 {
1880 if (TRACE_ON(relay))
1881 DPRINTF( "%04lx:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1882 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1883 data, result );
1884 callback( hwnd, msg, data, result );
1885 if (TRACE_ON(relay))
1886 DPRINTF( "%04lx:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1887 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1888 data, result );
1889 }
1890
1891
1892 /***********************************************************************
1893 * get_hook_proc
1894 *
1895 * Retrieve the hook procedure real value for a module-relative proc
1896 */
1897 static void *get_hook_proc( void *proc, const WCHAR *module )
1898 {
1899 HMODULE mod;
1900
1901 if (!(mod = GetModuleHandleW(module)))
1902 {
1903 TRACE( "loading %s\n", debugstr_w(module) );
1904 /* FIXME: the library will never be freed */
1905 if (!(mod = LoadLibraryW(module))) return NULL;
1906 }
1907 return (char *)mod + (ULONG_PTR)proc;
1908 }
1909
1910
1911 /***********************************************************************
1912 * peek_message
1913 *
1914 * Peek for a message matching the given parameters. Return FALSE if none available.
1915 * All pending sent messages are processed before returning.
1916 */
1917 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, int flags )
1918 {
1919 LRESULT result;
1920 ULONG_PTR extra_info = 0;
1921 struct user_thread_info *thread_info = get_user_thread_info();
1922 struct received_message_info info, *old_info;
1923 unsigned int hw_id = 0; /* id of previous hardware message */
1924
1925 if (!first && !last) last = ~0;
1926
1927 for (;;)
1928 {
1929 NTSTATUS res;
1930 void *buffer = NULL;
1931 size_t size = 0, buffer_size = 0;
1932
1933 do /* loop while buffer is too small */
1934 {
1935 if (buffer_size && !(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
1936 return FALSE;
1937 SERVER_START_REQ( get_message )
1938 {
1939 req->flags = flags;
1940 req->get_win = hwnd;
1941 req->get_first = first;
1942 req->get_last = last;
1943 req->hw_id = hw_id;
1944 if (buffer_size) wine_server_set_reply( req, buffer, buffer_size );
1945 if (!(res = wine_server_call( req )))
1946 {
1947 size = wine_server_reply_size( reply );
1948 info.type = reply->type;
1949 info.msg.hwnd = reply->win;
1950 info.msg.message = reply->msg;
1951 info.msg.wParam = reply->wparam;
1952 info.msg.lParam = reply->lparam;
1953 info.msg.time = reply->time;
1954 info.msg.pt.x = reply->x;
1955 info.msg.pt.y = reply->y;
1956 info.hook = reply->hook;
1957 info.hook_proc = reply->hook_proc;
1958 hw_id = reply->hw_id;
1959 extra_info = reply->info;
1960 thread_info->active_hooks = reply->active_hooks;
1961 }
1962 else
1963 {
1964 HeapFree( GetProcessHeap(), 0, buffer );
1965 buffer_size = reply->total;
1966 }
1967 }
1968 SERVER_END_REQ;
1969 } while (res == STATUS_BUFFER_OVERFLOW);
1970
1971 if (res) return FALSE;
1972
1973 TRACE( "got type %d msg %x (%s) hwnd %p wp %x lp %lx\n",
1974 info.type, info.msg.message,
1975 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
1976 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
1977
1978 switch(info.type)
1979 {
1980 case MSG_ASCII:
1981 case MSG_UNICODE:
1982 info.flags = ISMEX_SEND;
1983 break;
1984 case MSG_NOTIFY:
1985 info.flags = ISMEX_NOTIFY;
1986 break;
1987 case MSG_CALLBACK:
1988 info.flags = ISMEX_CALLBACK;
1989 break;
1990 case MSG_CALLBACK_RESULT:
1991 call_sendmsg_callback( (SENDASYNCPROC)info.msg.wParam, info.msg.hwnd,
1992 info.msg.message, extra_info, info.msg.lParam );
1993 goto next;
1994 case MSG_WINEVENT:
1995 if (size)
1996 {
1997 WCHAR module[MAX_PATH];
1998 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
1999 memcpy( module, buffer, size );
2000 module[size / sizeof(WCHAR)] = 0;
2001 if (!(info.hook_proc = get_hook_proc( info.hook_proc, module )))
2002 {
2003 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2004 goto next;
2005 }
2006 }
2007 if (TRACE_ON(relay))
2008 DPRINTF( "%04lx:Call winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04lx,time=%lx)\n",
2009 GetCurrentThreadId(), info.hook_proc,
2010 info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2011 info.msg.lParam, extra_info, info.msg.time);
2012
2013 info.hook_proc( info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2014 info.msg.lParam, extra_info, info.msg.time );
2015
2016 if (TRACE_ON(relay))
2017 DPRINTF( "%04lx:Ret winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04lx,time=%lx)\n",
2018 GetCurrentThreadId(), info.hook_proc,
2019 info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2020 info.msg.lParam, extra_info, info.msg.time);
2021 goto next;
2022 case MSG_OTHER_PROCESS:
2023 info.flags = ISMEX_SEND;
2024 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2025 &info.msg.lParam, &buffer, size ))
2026 {
2027 ERR( "invalid packed message %x (%s) hwnd %p wp %x lp %lx size %d\n",
2028 info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd), info.msg.hwnd,
2029 info.msg.wParam, info.msg.lParam, size );
2030 /* ignore it */
2031 reply_message( &info, 0, TRUE );
2032 goto next;
2033 }
2034 break;
2035 case MSG_HARDWARE:
2036 if (!process_hardware_message( &info.msg, hw_id, extra_info,
2037 hwnd, first, last, flags & GET_MSG_REMOVE ))
2038 {
2039 TRACE("dropping msg %x\n", info.msg.message );
2040 goto next; /* ignore it */
2041 }
2042 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2043 /* fall through */
2044 case MSG_POSTED:
2045 thread_info->GetMessageExtraInfoVal = extra_info;
2046 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2047 {
2048 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2049 &info.msg.lParam, &buffer, size ))
2050 {
2051 ERR( "invalid packed dde-message %x (%s) hwnd %p wp %x lp %lx size %d\n",
2052 info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2053 info.msg.hwnd, info.msg.wParam, info.msg.lParam, size );
2054 goto next; /* ignore it */
2055 }
2056 }
2057 *msg = info.msg;
2058 HeapFree( GetProcessHeap(), 0, buffer );
2059 return TRUE;
2060 }
2061
2062 /* if we get here, we have a sent message; call the window procedure */
2063 old_info = thread_info->receive_info;
2064 thread_info->receive_info = &info;
2065 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2066 info.msg.lParam, (info.type != MSG_ASCII), FALSE );
2067 reply_message( &info, result, TRUE );
2068 thread_info->receive_info = old_info;
2069 next:
2070 HeapFree( GetProcessHeap(), 0, buffer );
2071 }
2072 }
2073
2074
2075 /***********************************************************************
2076 * process_sent_messages
2077 *
2078 * Process all pending sent messages.
2079 */
2080 inline static void process_sent_messages(void)
2081 {
2082 MSG msg;
2083 peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
2084 }
2085
2086
2087 /***********************************************************************
2088 * get_server_queue_handle
2089 *
2090 * Get a handle to the server message queue for the current thread.
2091 */
2092 static HANDLE get_server_queue_handle(void)
2093 {
2094 struct user_thread_info *thread_info = get_user_thread_info();
2095 HANDLE ret;
2096
2097 if (!(ret = thread_info->server_queue))
2098 {
2099 SERVER_START_REQ( get_msg_queue )
2100 {
2101 wine_server_call( req );
2102 ret = reply->handle;
2103 }
2104 SERVER_END_REQ;
2105 thread_info->server_queue = ret;
2106 if (!ret) ERR( "Cannot get server thread queue\n" );
2107 }
2108 return ret;
2109 }
2110
2111
2112 /***********************************************************************
2113 * wait_message_reply
2114 *
2115 * Wait until a sent message gets replied to.
2116 */
2117 static void wait_message_reply( UINT flags )
2118 {
2119 HANDLE server_queue = get_server_queue_handle();
2120
2121 for (;;)
2122 {
2123 unsigned int wake_bits = 0, changed_bits = 0;
2124 DWORD dwlc, res;
2125
2126 SERVER_START_REQ( set_queue_mask )
2127 {
2128 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2129 req->changed_mask = req->wake_mask;
2130 req->skip_wait = 1;
2131 if (!wine_server_call( req ))
2132 {
2133 wake_bits = reply->wake_bits;
2134 changed_bits = reply->changed_bits;
2135 }
2136 }
2137 SERVER_END_REQ;
2138
2139 if (wake_bits & QS_SMRESULT) return; /* got a result */
2140 if (wake_bits & QS_SENDMESSAGE)
2141 {
2142 /* Process the sent message immediately */
2143 process_sent_messages();
2144 continue;
2145 }
2146
2147 /* now wait for it */
2148
2149 ReleaseThunkLock( &dwlc );
2150 res = USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue,
2151 INFINITE, QS_SENDMESSAGE, 0 );
2152 if (dwlc) RestoreThunkLock( dwlc );
2153 }
2154 }
2155
2156 /***********************************************************************
2157 * put_message_in_queue
2158 *
2159 * Put a sent message into the destination queue.
2160 * For inter-process message, reply_size is set to expected size of reply data.
2161 */
2162 static BOOL put_message_in_queue( DWORD dest_tid, const struct send_message_info *info,
2163 size_t *reply_size )
2164 {
2165 struct packed_message data;
2166 unsigned int res;
2167 int i, timeout = 0;
2168
2169 /* Check for INFINITE timeout for compatibility with Win9x,
2170 * although Windows >= NT does not do so
2171 */
2172 if (info->type != MSG_NOTIFY &&
2173 info->type != MSG_CALLBACK &&
2174 info->type != MSG_POSTED &&
2175 info->timeout != INFINITE)
2176 timeout = info->timeout;
2177
2178 data.count = 0;
2179 if (info->type == MSG_OTHER_PROCESS)
2180 {
2181 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2182 if (data.count == -1)
2183 {
2184 WARN( "cannot pack message %x\n", info->msg );
2185 return FALSE;
2186 }
2187 }
2188 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2189 {
2190 return post_dde_message( dest_tid, &data, info );
2191 }
2192
2193 SERVER_START_REQ( send_message )
2194 {
2195 req->id = dest_tid;
2196 req->type = info->type;
2197 req->flags = 0;
2198 req->win = info->hwnd;
2199 req->msg = info->msg;
2200 req->wparam = info->wparam;
2201 req->lparam = info->lparam;
2202 req->time = GetCurrentTime();
2203 req->timeout = timeout;
2204
2205 if (info->type == MSG_CALLBACK)
2206 {
2207 req->callback = info->callback;
2208 req->info = info->data;
2209 }
2210
2211 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2212 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2213 if ((res = wine_server_call( req )))
2214 {
2215 if (res == STATUS_INVALID_PARAMETER)
2216 /* FIXME: find a STATUS_ value for this one */
2217 SetLastError( ERROR_INVALID_THREAD_ID );
2218 else
2219 SetLastError( RtlNtStatusToDosError(res) );
2220 }
2221 }
2222 SERVER_END_REQ;
2223 return !res;
2224 }
2225
2226
2227 /***********************************************************************
2228 * retrieve_reply
2229 *
2230 * Retrieve a message reply from the server.
2231 */
2232 static LRESULT retrieve_reply( const struct send_message_info *info,
2233 size_t reply_size, LRESULT *result )
2234 {
2235 NTSTATUS status;
2236 void *reply_data = NULL;
2237
2238 if (reply_size)
2239 {
2240 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2241 {
2242 WARN( "no memory for reply %d bytes, will be truncated\n", reply_size );
2243 reply_size = 0;
2244 }
2245 }
2246 SERVER_START_REQ( get_message_reply )
2247 {
2248 req->cancel = 1;
2249 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2250 if (!(status = wine_server_call( req ))) *result = reply->result;
2251 reply_size = wine_server_reply_size( reply );
2252 }
2253 SERVER_END_REQ;
2254 if (!status && reply_size)
2255 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2256
2257 HeapFree( GetProcessHeap(), 0, reply_data );
2258
2259 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx got reply %lx (err=%ld)\n",
2260 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
2261 info->lparam, *result, status );
2262
2263 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2264 if (status) SetLastError( RtlNtStatusToDosError(status) );
2265 return !status;
2266 }
2267
2268
2269 /***********************************************************************
2270 * send_inter_thread_message
2271 */
2272 static LRESULT send_inter_thread_message( DWORD dest_tid, const struct send_message_info *info,
2273 LRESULT *res_ptr )
2274 {
2275 size_t reply_size = 0;
2276
2277 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2278 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
2279
2280 USER_CheckNotLock();
2281
2282 if (!put_message_in_queue( dest_tid, info, &reply_size )) return 0;
2283
2284 /* there's no reply to wait for on notify/callback messages */
2285 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2286
2287 wait_message_reply( info->flags );
2288 return retrieve_reply( info, reply_size, res_ptr );
2289 }
2290
2291
2292 /***********************************************************************
2293 * MSG_SendInternalMessageTimeout
2294 *
2295 * Same as SendMessageTimeoutW but sends the message to a specific thread
2296 * without requiring a window handle. Only works for internal Wine messages.
2297 */
2298 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
2299 UINT msg, WPARAM wparam, LPARAM lparam,
2300 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2301 {
2302 struct send_message_info info;
2303 LRESULT ret, result;
2304
2305 assert( msg & 0x80000000 ); /* must be an internal Wine message */
2306
2307 info.type = MSG_UNICODE;
2308 info.hwnd = 0;
2309 info.msg = msg;
2310 info.wparam = wparam;
2311 info.lparam = lparam;
2312 info.flags = flags;
2313 info.timeout = timeout;
2314
2315 if (USER_IsExitingThread( dest_tid )) return 0;
2316
2317 if (dest_tid == GetCurrentThreadId())
2318 {
2319 result = handle_internal_message( 0, msg, wparam, lparam );
2320 ret = 1;
2321 }
2322 else
2323 {
2324 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2325 ret = send_inter_thread_message( dest_tid, &info, &result );
2326 }
2327 if (ret && res_ptr) *res_ptr = result;
2328 return ret;
2329 }
2330
2331
2332 /***********************************************************************
2333 * SendMessageTimeoutW (USER32.@)
2334 */
2335 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2336 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2337 {
2338 struct send_message_info info;
2339 DWORD dest_tid, dest_pid;
2340 LRESULT ret, result;
2341
2342 info.type = MSG_UNICODE;
2343 info.hwnd = hwnd;
2344 info.msg = msg;
2345 info.wparam = wparam;
2346 info.lparam = lparam;
2347 info.flags = flags;
2348 info.timeout = timeout;
2349
2350 if (is_broadcast(hwnd))
2351 {
2352 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2353 if (res_ptr) *res_ptr = 1;
2354 return 1;
2355 }
2356
2357 if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2358
2359 if (USER_IsExitingThread( dest_tid )) return 0;
2360
2361 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2362
2363 if (dest_tid == GetCurrentThreadId())
2364 {
2365 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2366 ret = 1;
2367 }
2368 else
2369 {
2370 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2371 ret = send_inter_thread_message( dest_tid, &info, &result );
2372 }
2373
2374 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2375 if (ret && res_ptr) *res_ptr = result;
2376 return ret;
2377 }
2378
2379
2380 /***********************************************************************
2381 * SendMessageTimeoutA (USER32.@)
2382 */
2383 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2384 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2385 {
2386 struct send_message_info info;
2387 DWORD dest_tid, dest_pid;
2388 LRESULT ret, result;
2389
2390 info.type = MSG_ASCII;
2391 info.hwnd = hwnd;
2392 info.msg = msg;
2393 info.wparam = wparam;
2394 info.lparam = lparam;
2395 info.flags = flags;
2396 info.timeout = timeout;
2397
2398 if (is_broadcast(hwnd))
2399 {
2400 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2401 if (res_ptr) *res_ptr = 1;
2402 return 1;
2403 }
2404
2405 if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2406
2407 if (USER_IsExitingThread( dest_tid )) return 0;
2408
2409 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2410
2411 if (dest_tid == GetCurrentThreadId())
2412 {
2413 result = call_window_proc( hwnd, msg, wparam, lparam, FALSE, TRUE );
2414 ret = 1;
2415 }
2416 else if (dest_pid == GetCurrentProcessId())
2417 {
2418 ret = send_inter_thread_message( dest_tid, &info, &result );
2419 }
2420 else
2421 {
2422 /* inter-process message: need to map to Unicode */
2423 info.type = MSG_OTHER_PROCESS;
2424 if (is_unicode_message( info.msg ))
2425 {
2426 if (WINPROC_MapMsg32ATo32W( info.hwnd, info.msg, &info.wparam, &info.lparam ) == -1)
2427 return 0;
2428 ret = send_inter_thread_message( dest_tid, &info, &result );
2429 result = WINPROC_UnmapMsg32ATo32W( info.hwnd, info.msg, info.wparam,
2430 info.lparam, result, NULL );
2431 }
2432 else ret = send_inter_thread_message( dest_tid, &info, &result );
2433 }
2434 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2435 if (ret && res_ptr) *res_ptr = result;
2436 return ret;
2437 }
2438
2439
2440 /***********************************************************************
2441 * SendMessageW (USER32.@)
2442 */
2443 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2444 {
2445 DWORD_PTR res = 0;
2446 SendMessageTimeoutW( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2447 return res;
2448 }
2449
2450
2451 /***********************************************************************
2452 * SendMessageA (USER32.@)
2453 */
2454 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2455 {
2456 DWORD_PTR res = 0;
2457 SendMessageTimeoutA( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2458 return res;
2459 }
2460
2461
2462 /***********************************************************************
2463 * SendNotifyMessageA (USER32.@)
2464 */
2465 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2466 {
2467 return SendNotifyMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2468 }
2469
2470
2471 /***********************************************************************
2472 * SendNotifyMessageW (USER32.@)
2473 */
2474 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2475 {
2476 struct send_message_info info;
2477 DWORD dest_tid;
2478 LRESULT result;
2479
2480 if (is_pointer_message(msg))
2481 {
2482 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2483 return FALSE;
2484 }
2485
2486 info.type = MSG_NOTIFY;
2487 info.hwnd = hwnd;
2488 info.msg = msg;
2489 info.wparam = wparam;
2490 info.lparam = lparam;
2491 info.flags = 0;
2492
2493 if (is_broadcast(hwnd))
2494 {
2495 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2496 return TRUE;
2497 }
2498
2499 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2500
2501 if (USER_IsExitingThread( dest_tid )) return TRUE;
2502
2503 if (dest_tid == GetCurrentThreadId())
2504 {
2505 call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2506 return TRUE;
2507 }
2508 return send_inter_thread_message( dest_tid, &info, &result );
2509 }
2510
2511
2512 /***********************************************************************
2513 * SendMessageCallbackA (USER32.@)
2514 */
2515 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2516 SENDASYNCPROC callback, ULONG_PTR data )
2517 {
2518 return SendMessageCallbackW( hwnd, msg, map_wparam_AtoW( msg, wparam ),
2519 lparam, callback, data );
2520 }
2521
2522
2523 /***********************************************************************
2524 * SendMessageCallbackW (USER32.@)
2525 */
2526 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2527 SENDASYNCPROC callback, ULONG_PTR data )
2528 {
2529 struct send_message_info info;
2530 LRESULT result;
2531 DWORD dest_tid;
2532
2533 if (is_pointer_message(msg))
2534 {
2535 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2536 return FALSE;
2537 }
2538
2539 info.type = MSG_CALLBACK;
2540 info.hwnd = hwnd;
2541 info.msg = msg;
2542 info.wparam = wparam;
2543 info.lparam = lparam;
2544 info.callback = callback;
2545 info.data = data;
2546 info.flags = 0;
2547
2548 if (is_broadcast(hwnd))
2549 {
2550 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2551 return TRUE;
2552 }
2553
2554 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2555
2556 if (USER_IsExitingThread( dest_tid )) return TRUE;
2557
2558 if (dest_tid == GetCurrentThreadId())
2559 {
2560 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2561 call_sendmsg_callback( callback, hwnd, msg, data, result );
2562 return TRUE;
2563 }
2564 FIXME( "callback will not be called\n" );
2565 return send_inter_thread_message( dest_tid, &info, &result );
2566 }
2567
2568
2569 /***********************************************************************
2570 * ReplyMessage (USER32.@)
2571 */
2572 BOOL WINAPI ReplyMessage( LRESULT result )
2573 {
2574 struct received_message_info *info = get_user_thread_info()->receive_info;
2575
2576 if (!info) return FALSE;
2577 reply_message( info, result, FALSE );
2578 return TRUE;
2579 }
2580
2581
2582 /***********************************************************************
2583 * InSendMessage (USER32.@)
2584 */
2585 BOOL WINAPI InSendMessage(void)
2586 {
2587 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
2588 }
2589
2590
2591 /***********************************************************************
2592 * InSendMessageEx (USER32.@)
2593 */
2594 DWORD WINAPI InSendMessageEx( LPVOID reserved )
2595 {
2596 struct received_message_info *info = get_user_thread_info()->receive_info;
2597
2598 if (info) return info->flags;
2599 return ISMEX_NOSEND;
2600 }
2601
2602
2603 /***********************************************************************
2604 * PostMessageA (USER32.@)
2605 */
2606 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2607 {
2608 return PostMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2609 }
2610
2611
2612 /***********************************************************************
2613 * PostMessageW (USER32.@)
2614 */
2615 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2616 {
2617 struct send_message_info info;
2618 DWORD dest_tid;
2619
2620 if (is_pointer_message( msg ))
2621 {
2622 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2623 return FALSE;
2624 }
2625
2626 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2627 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
2628
2629 info.type = MSG_POSTED;
2630 info.hwnd = hwnd;
2631 info.msg = msg;
2632 info.wparam = wparam;
2633 info.lparam = lparam;
2634 info.flags = 0;
2635
2636 if (is_broadcast(hwnd))
2637 {
2638 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2639 return TRUE;
2640 }
2641
2642 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
2643
2644 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2645
2646 if (USER_IsExitingThread( dest_tid )) return TRUE;
2647
2648 return put_message_in_queue( dest_tid, &info, NULL );
2649 }
2650
2651
2652 /**********************************************************************
2653 * PostThreadMessageA (USER32.@)
2654 */
2655 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2656 {
2657 return PostThreadMessageW( thread, msg, map_wparam_AtoW( msg, wparam ), lparam );
2658 }
2659
2660
2661 /**********************************************************************
2662 * PostThreadMessageW (USER32.@)
2663 */
2664 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2665 {
2666 struct send_message_info info;
2667
2668 if (is_pointer_message( msg ))
2669 {
2670 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2671 return FALSE;
2672 }
2673 if (USER_IsExitingThread( thread )) return TRUE;
2674
2675 info.type = MSG_POSTED;
2676 info.hwnd = 0;
2677 info.msg = msg;
2678 info.wparam = wparam;
2679 info.lparam = lparam;
2680 info.flags = 0;
2681 return put_message_in_queue( thread, &info, NULL );
2682 }
2683
2684
2685 /***********************************************************************
2686 * PostQuitMessage (USER32.@)
2687 *
2688 * Posts a quit message to the current thread's message queue.
2689 *
2690 * PARAMS
2691 * exit_code [I] Exit code to return from message loop.
2692 *
2693 * RETURNS
2694 * Nothing.
2695 *
2696 * NOTES
2697 * This function is not the same as calling:
2698 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
2699 * It instead sets a flag in the message queue that signals it to generate
2700 * a WM_QUIT message when there are no other pending sent or posted messages
2701 * in the queue.
2702 */
2703 void WINAPI PostQuitMessage( INT exit_code )
2704 {
2705 SERVER_START_REQ( post_quit_message )
2706 {
2707 req->exit_code = exit_code;
2708 wine_server_call( req );
2709 }
2710 SERVER_END_REQ;
2711 }
2712
2713
2714 /***********************************************************************
2715 * PeekMessageW (USER32.@)
2716 */
2717 BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
2718 {
2719 struct user_thread_info *thread_info = get_user_thread_info();
2720 MSG msg;
2721
2722 if (HIWORD(flags))
2723 FIXME("PM_QS_xxxx flags (%04x) are not handled\n", flags >> 16);
2724
2725 USER_CheckNotLock();
2726
2727 /* check for graphics events */
2728 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
2729
2730 hwnd = WIN_GetFullHandle( hwnd );
2731
2732 for (;;)
2733 {
2734 if (!peek_message( &msg, hwnd, first, last, (flags & PM_REMOVE) ? GET_MSG_REMOVE : 0 ))
2735 {
2736 if (!(flags & PM_NOYIELD))
2737 {
2738 DWORD count;
2739 ReleaseThunkLock(&count);
2740 NtYieldExecution();
2741 if (count) RestoreThunkLock(count);
2742 }
2743 return FALSE;
2744 }
2745 if (msg.message & 0x80000000)
2746 {
2747 if (!(flags & PM_REMOVE))
2748 {
2749 /* Have to remove the message explicitly.
2750 Do this before handling it, because the message handler may
2751 call PeekMessage again */
2752 peek_message( &msg, msg.hwnd, msg.message, msg.message, GET_MSG_REMOVE );
2753 }
2754 handle_internal_message( msg.hwnd, msg.message, msg.wParam, msg.lParam );
2755 }
2756 else break;
2757 }
2758
2759 thread_info->GetMessageTimeVal = msg.time;
2760 msg.pt.x = LOWORD( thread_info->GetMessagePosVal );
2761 msg.pt.y = HIWORD( thread_info->GetMessagePosVal );
2762
2763 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)&msg, TRUE );
2764
2765 /* copy back our internal safe copy of message data to msg_out.
2766 * msg_out is a variable from the *program*, so it can't be used
2767 * internally as it can get "corrupted" by our use of SendMessage()
2768 * (back to the program) inside the message handling itself. */
2769 if (!msg_out)
2770 {
2771 SetLastError( ERROR_NOACCESS );
2772 return FALSE;
2773 }
2774 *msg_out = msg;
2775 return TRUE;
2776 }
2777
2778
2779 /***********************************************************************
2780 * PeekMessageA (USER32.@)
2781 */
2782 BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
2783 {
2784 BOOL ret = PeekMessageW( msg, hwnd, first, last, flags );
2785 if (ret) msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2786 return ret;
2787 }
2788
2789
2790 /***********************************************************************
2791 * GetMessageW (USER32.@)
2792 */
2793 BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
2794 {
2795 HANDLE server_queue = get_server_queue_handle();
2796 int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
2797
2798 if (first || last)
2799 {
2800 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
2801 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
2802 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
2803 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
2804 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
2805 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
2806 }
2807 else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
2808
2809 while (!PeekMessageW( msg, hwnd, first, last, PM_REMOVE ))
2810 {
2811 /* wait until one of the bits is set */
2812 unsigned int wake_bits = 0, changed_bits = 0;
2813 DWORD dwlc;
2814
2815 SERVER_START_REQ( set_queue_mask )
2816 {
2817 req->wake_mask = QS_SENDMESSAGE;
2818 req->changed_mask = mask;
2819 req->skip_wait = 1;
2820 if (!wine_server_call( req ))
2821 {
2822 wake_bits = reply->wake_bits;
2823 changed_bits = reply->changed_bits;
2824 }
2825 }
2826 SERVER_END_REQ;
2827
2828 if (changed_bits & mask) continue;
2829 if (wake_bits & QS_SENDMESSAGE) continue;
2830
2831 TRACE( "(%04lx) mask=%08x, bits=%08x, changed=%08x, waiting\n",
2832 GetCurrentThreadId(), mask, wake_bits, changed_bits );
2833
2834 ReleaseThunkLock( &dwlc );
2835 USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue, INFINITE, QS_ALLINPUT, 0 );
2836 if (dwlc) RestoreThunkLock( dwlc );
2837 }
2838
2839 return (msg->message != WM_QUIT);
2840 }
2841
2842
2843 /***********************************************************************
2844 * GetMessageA (USER32.@)
2845 */
2846 BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
2847 {
2848 GetMessageW( msg, hwnd, first, last );
2849 msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2850 return (msg->message != WM_QUIT);
2851 }
2852
2853
2854 /***********************************************************************
2855 * IsDialogMessageA (USER32.@)
2856 * IsDialogMessage (USER32.@)
2857 */
2858 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
2859 {
2860 MSG msg = *pmsg;
2861 msg.wParam = map_wparam_AtoW( msg.message, msg.wParam );
2862 return IsDialogMessageW( hwndDlg, &msg );
2863 }
2864
2865
2866 /***********************************************************************
2867 * TranslateMessage (USER32.@)
2868 *
2869 * Implementation of TranslateMessage.
2870 *
2871 * TranslateMessage translates virtual-key messages into character-messages,
2872 * as follows :
2873 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2874 * ditto replacing WM_* with WM_SYS*
2875 * This produces WM_CHAR messages only for keys mapped to ASCII characters
2876 * by the keyboard driver.
2877 *
2878 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
2879 * return value is nonzero, regardless of the translation.
2880 *
2881 */
2882 BOOL WINAPI TranslateMessage( const MSG *msg )
2883 {
2884 UINT message;
2885 WCHAR wp[2];
2886 BYTE state[256];
2887
2888 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
2889 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
2890
2891 TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
2892 SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
2893
2894 GetKeyboardState( state );
2895 /* FIXME : should handle ToUnicode yielding 2 */
2896 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
2897 {
2898 case 1:
2899 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2900 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2901 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2902 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2903 break;
2904
2905 case -1:
2906 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2907 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2908 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2909 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2910 break;
2911 }
2912 return TRUE;
2913 }
2914
2915
2916 /***********************************************************************
2917 * DispatchMessageA (USER32.@)
2918 *
2919 * See DispatchMessageW.
2920 */
2921 LONG WINAPI DispatchMessageA( const MSG* msg )
2922 {
2923 WND * wndPtr;
2924 LONG retval;
2925 WNDPROC winproc;
2926
2927 /* Process timer messages */
2928 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2929 {
2930 if (msg->lParam) return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2931 msg->message, msg->wParam, GetTickCount() );
2932 }
2933
2934 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2935 {
2936 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2937 return 0;
2938 }
2939 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2940 {
2941 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2942 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2943 return 0;
2944 }
2945 if (wndPtr->tid != GetCurrentThreadId())
2946 {
2947 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2948 WIN_ReleasePtr( wndPtr );
2949 return 0;
2950 }
2951 winproc = wndPtr->winproc;
2952 WIN_ReleasePtr( wndPtr );
2953
2954 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2955 msg->wParam, msg->lParam );
2956 retval = CallWindowProcA( winproc, msg->hwnd, msg->message,
2957 msg->wParam, msg->lParam );
2958 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2959 msg->wParam, msg->lParam );
2960
2961 if (msg->message == WM_PAINT)
2962 {
2963 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
2964 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
2965 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
2966 DeleteObject( hrgn );
2967 }
2968 return retval;
2969 }
2970
2971
2972 /***********************************************************************
2973 * DispatchMessageW (USER32.@) Process a message
2974 *
2975 * Process the message specified in the structure *_msg_.
2976 *
2977 * If the lpMsg parameter points to a WM_TIMER message and the
2978 * parameter of the WM_TIMER message is not NULL, the lParam parameter
2979 * points to the function that is called instead of the window
2980 * procedure.
2981 *
2982 * The message must be valid.
2983 *
2984 * RETURNS
2985 *
2986 * DispatchMessage() returns the result of the window procedure invoked.
2987 *
2988 * CONFORMANCE
2989 *
2990 * ECMA-234, Win32
2991 *
2992 */
2993 LONG WINAPI DispatchMessageW( const MSG* msg )
2994 {
2995 WND * wndPtr;
2996 LONG retval;
2997 WNDPROC winproc;
2998
2999 /* Process timer messages */
3000 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3001 {
3002 if (msg->lParam) return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
3003 msg->message, msg->wParam, GetTickCount() );
3004 }
3005
3006 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
3007 {
3008 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3009 return 0;
3010 }
3011 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
3012 {
3013 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3014 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3015 return 0;
3016 }
3017 if (wndPtr->tid != GetCurrentThreadId())
3018 {
3019 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3020 WIN_ReleasePtr( wndPtr );
3021 return 0;
3022 }
3023 winproc = wndPtr->winproc;
3024 WIN_ReleasePtr( wndPtr );
3025
3026 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3027 msg->wParam, msg->lParam );
3028 retval = CallWindowProcW( winproc, msg->hwnd, msg->message,
3029 msg->wParam, msg->lParam );
3030 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3031 msg->wParam, msg->lParam );
3032
3033 if (msg->message == WM_PAINT)
3034 {
3035 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3036 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3037 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3038 DeleteObject( hrgn );
3039 }
3040 return retval;
3041 }
3042
3043
3044 /***********************************************************************
3045 * GetMessagePos (USER.119)
3046 * GetMessagePos (USER32.@)
3047 *
3048 * The GetMessagePos() function returns a long value representing a
3049 * cursor position, in screen coordinates, when the last message
3050 * retrieved by the GetMessage() function occurs. The x-coordinate is
3051 * in the low-order word of the return value, the y-coordinate is in
3052 * the high-order word. The application can use the MAKEPOINT()
3053 * macro to obtain a POINT structure from the return value.
3054 *
3055 * For the current cursor position, use GetCursorPos().
3056 *
3057 * RETURNS
3058 *
3059 * Cursor position of last message on success, zero on failure.
3060 *
3061 * CONFORMANCE
3062 *
3063 * ECMA-234, Win32
3064 *
3065 */
3066 DWORD WINAPI GetMessagePos(void)
3067 {
3068 return get_user_thread_info()->GetMessagePosVal;
3069 }
3070
3071
3072 /***********************************************************************
3073 * GetMessageTime (USER.120)
3074 * GetMessageTime (USER32.@)
3075 *
3076 * GetMessageTime() returns the message time for the last message
3077 * retrieved by the function. The time is measured in milliseconds with
3078 * the same offset as GetTickCount().
3079 *
3080 * Since the tick count wraps, this is only useful for moderately short
3081 * relative time comparisons.
3082 *
3083 * RETURNS
3084 *
3085 * Time of last message on success, zero on failure.
3086 */
3087 LONG WINAPI GetMessageTime(void)
3088 {
3089 return get_user_thread_info()->GetMessageTimeVal;
3090 }
3091
3092
3093 /***********************************************************************
3094 * GetMessageExtraInfo (USER.288)
3095 * GetMessageExtraInfo (USER32.@)
3096 */
3097 LPARAM WINAPI GetMessageExtraInfo(void)
3098 {
3099 return get_user_thread_info()->GetMessageExtraInfoVal;
3100 }
3101
3102
3103 /***********************************************************************
3104 * SetMessageExtraInfo (USER32.@)
3105 */
3106 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3107 {
3108 struct user_thread_info *thread_info = get_user_thread_info();
3109 LONG old_value = thread_info->GetMessageExtraInfoVal;
3110 thread_info->GetMessageExtraInfoVal = lParam;
3111 return old_value;
3112 }
3113
3114
3115 /***********************************************************************
3116 * WaitMessage (USER.112) Suspend thread pending messages
3117 * WaitMessage (USER32.@) Suspend thread pending messages
3118 *
3119 * WaitMessage() suspends a thread until events appear in the thread's
3120 * queue.
3121 */
3122 BOOL WINAPI WaitMessage(void)
3123 {
3124 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3125 }
3126
3127
3128 /***********************************************************************
3129 * MsgWaitForMultipleObjectsEx (USER32.@)
3130 */
3131 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3132 DWORD timeout, DWORD mask, DWORD flags )
3133 {
3134 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3135 DWORD i, ret, lock;
3136
3137 if (count > MAXIMUM_WAIT_OBJECTS-1)
3138 {
3139 SetLastError( ERROR_INVALID_PARAMETER );
3140 return WAIT_FAILED;
3141 }
3142
3143 /* set the queue mask */
3144 SERVER_START_REQ( set_queue_mask )
3145 {
3146 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3147 req->changed_mask = mask;
3148 req->skip_wait = 0;
3149 wine_server_call( req );
3150 }
3151 SERVER_END_REQ;
3152
3153 /* Add the thread event to the handle list */
3154 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3155 handles[count] = get_server_queue_handle();
3156
3157 ReleaseThunkLock( &lock );
3158 ret = USER_Driver->pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
3159 if (ret == count+1) ret = count; /* pretend the msg queue is ready */
3160 if (lock) RestoreThunkLock( lock );
3161 return ret;
3162 }
3163
3164
3165 /***********************************************************************
3166 * MsgWaitForMultipleObjects (USER32.@)
3167 */
3168 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3169 BOOL wait_all, DWORD timeout, DWORD mask )
3170 {
3171 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3172 wait_all ? MWMO_WAITALL : 0 );
3173 }
3174
3175
3176 /***********************************************************************
3177 * WaitForInputIdle (USER32.@)
3178 */
3179 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3180 {
3181 DWORD start_time, elapsed, ret;
3182 HANDLE idle_event = (HANDLE)-1;
3183
3184 SERVER_START_REQ( wait_input_idle )
3185 {
3186 req->handle = hProcess;
3187 req->timeout = dwTimeOut;
3188 if (!(ret = wine_server_call_err( req ))) idle_event = reply->event;
3189 }
3190 SERVER_END_REQ;
3191 if (ret) return WAIT_FAILED; /* error */
3192 if (!idle_event) return 0; /* no event to wait on */
3193
3194 start_time = GetTickCount();
3195 elapsed = 0;
3196
3197 TRACE("waiting for %p\n", idle_event );
3198 do
3199 {
3200 ret = MsgWaitForMultipleObjects ( 1, &idle_event, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3201 switch (ret)
3202 {
3203 case WAIT_OBJECT_0+1:
3204 process_sent_messages();
3205 break;
3206 case WAIT_TIMEOUT:
3207 case WAIT_FAILED:
3208 TRACE("timeout or error\n");
3209 return ret;
3210 default:
3211 TRACE("finished\n");
3212 return 0;
3213 }
3214 if (dwTimeOut != INFINITE)
3215 {
3216 elapsed = GetTickCount() - start_time;
3217 if (elapsed > dwTimeOut)
3218 break;
3219 }
3220 }
3221 while (1);
3222
3223 return WAIT_TIMEOUT;
3224 }
3225
3226
3227 /***********************************************************************
3228 * UserYield (USER.332)
3229 */
3230 void WINAPI UserYield16(void)
3231 {
3232 DWORD count;
3233
3234 /* Handle sent messages */
3235 process_sent_messages();
3236
3237 /* Yield */
3238 ReleaseThunkLock(&count);
3239
3240 if (count)
3241 {
3242 RestoreThunkLock(count);
3243 /* Handle sent messages again */
3244 process_sent_messages();
3245 }
3246 }
3247
3248
3249 /***********************************************************************
3250 * RegisterWindowMessageA (USER32.@)
3251 * RegisterWindowMessage (USER.118)
3252 */
3253 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
3254 {
3255 UINT ret = GlobalAddAtomA(str);
3256 TRACE("%s, ret=%x\n", str, ret);
3257 return ret;
3258 }
3259
3260
3261 /***********************************************************************
3262 * RegisterWindowMessageW (USER32.@)
3263 */
3264 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
3265 {
3266 UINT ret = GlobalAddAtomW(str);
3267 TRACE("%s ret=%x\n", debugstr_w(str), ret);
3268 return ret;
3269 }
3270
3271
3272 /***********************************************************************
3273 * BroadcastSystemMessageA (USER32.@)
3274 * BroadcastSystemMessage (USER32.@)
3275 */
3276 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3277 {
3278 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3279 {
3280 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3281 PostMessageA( HWND_BROADCAST, msg, wp, lp );
3282 return 1;
3283 }
3284 else
3285 {
3286 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp);
3287 return -1;
3288 }
3289 }
3290
3291
3292 /***********************************************************************
3293 * BroadcastSystemMessageW (USER32.@)
3294 */
3295 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3296 {
3297 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3298 {
3299 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3300 PostMessageW( HWND_BROADCAST, msg, wp, lp );
3301 return 1;
3302 }
3303 else
3304 {
3305 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp );
3306 return -1;
3307 }
3308 }
3309
3310
3311 /***********************************************************************
3312 * SetMessageQueue (USER32.@)
3313 */
3314 BOOL WINAPI SetMessageQueue( INT size )
3315 {
3316 /* now obsolete the message queue will be expanded dynamically as necessary */
3317 return TRUE;
3318 }
3319
3320
3321 /***********************************************************************
3322 * MessageBeep (USER32.@)
3323 */
3324 BOOL WINAPI MessageBeep( UINT i )
3325 {
3326 BOOL active = TRUE;
3327 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
3328 if (active) USER_Driver->pBeep();
3329 return TRUE;
3330 }
3331
3332
3333 /***********************************************************************
3334 * SetTimer (USER32.@)
3335 */
3336 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3337 {
3338 UINT_PTR ret;
3339 WNDPROC winproc = 0;
3340
3341 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, WIN_PROC_32A );
3342
3343 SERVER_START_REQ( set_win_timer )
3344 {
3345 req->win = hwnd;
3346 req->msg = WM_TIMER;
3347 req->id = id;
3348 req->rate = max( timeout, SYS_TIMER_RATE );
3349 req->lparam = (unsigned int)winproc;
3350 if (!wine_server_call_err( req ))
3351 {
3352 ret = reply->id;
3353 if (!ret) ret = TRUE;
3354 }
3355 else ret = 0;
3356 }
3357 SERVER_END_REQ;
3358
3359 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3360 return ret;
3361 }
3362
3363
3364 /***********************************************************************
3365 * SetSystemTimer (USER32.@)
3366 */
3367 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3368 {
3369 UINT_PTR ret;
3370 WNDPROC winproc = 0;
3371
3372 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, WIN_PROC_32A );
3373
3374 SERVER_START_REQ( set_win_timer )
3375 {
3376 req->win = hwnd;
3377 req->msg = WM_SYSTIMER;
3378 req->id = id;
3379 req->rate = max( timeout, SYS_TIMER_RATE );
3380 req->lparam = (unsigned int)winproc;
3381 if (!wine_server_call_err( req ))
3382 {
3383 ret = reply->id;
3384 if (!ret) ret = TRUE;
3385 }
3386 else ret = 0;
3387 }
3388 SERVER_END_REQ;
3389
3390 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3391 return ret;
3392 }
3393
3394
3395 /***********************************************************************
3396 * KillTimer (USER32.@)
3397 */
3398 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
3399 {
3400 BOOL ret;
3401
3402 TRACE("%p %d\n", hwnd, id );
3403
3404 SERVER_START_REQ( kill_win_timer )
3405 {
3406 req->win = hwnd;
3407 req->msg = WM_TIMER;
3408 req->id = id;
3409 ret = !wine_server_call_err( req );
3410 }
3411 SERVER_END_REQ;
3412 return ret;
3413 }
3414
3415
3416 /***********************************************************************
3417 * KillSystemTimer (USER32.@)
3418 */
3419 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
3420 {
3421 BOOL ret;
3422
3423 TRACE("%p %d\n", hwnd, id );
3424
3425 SERVER_START_REQ( kill_win_timer )
3426 {
3427 req->win = hwnd;
3428 req->msg = WM_SYSTIMER;
3429 req->id = id;
3430 ret = !wine_server_call_err( req );
3431 }
3432 SERVER_END_REQ;
3433 return ret;
3434 }
3435
3436
3437 /**********************************************************************
3438 * GetGUIThreadInfo (USER32.@)
3439 */
3440 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
3441 {
3442 BOOL ret;
3443
3444 SERVER_START_REQ( get_thread_input )
3445 {
3446 req->tid = id;
3447 if ((ret = !wine_server_call_err( req )))
3448 {
3449 info->flags = 0;
3450 info->hwndActive = reply->active;
3451 info->hwndFocus = reply->focus;
3452 info->hwndCapture = reply->capture;
3453 info->hwndMenuOwner = reply->menu_owner;
3454 info->hwndMoveSize = reply->move_size;
3455 info->hwndCaret = reply->caret;
3456 info->rcCaret.left = reply->rect.left;
3457 info->rcCaret.top = reply->rect.top;
3458 info->rcCaret.right = reply->rect.right;
3459 info->rcCaret.bottom = reply->rect.bottom;
3460 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
3461 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
3462 if (reply->caret) info->flags |= GUI_CARETBLINKING;
3463 }
3464 }
3465 SERVER_END_REQ;
3466 return ret;
3467 }
3468
3469
3470 /******************************************************************
3471 * IsHungAppWindow (USER32.@)
3472 *
3473 */
3474 BOOL WINAPI IsHungAppWindow( HWND hWnd )
3475 {
3476 DWORD_PTR dwResult;
3477 return !SendMessageTimeoutA(hWnd, WM_NULL, 0, 0, SMTO_ABORTIFHUNG, 5000, &dwResult);
3478 }
Maarten's multimedia branch