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shdocvw: Pass correct buffer size to UrlApplySchemeW.
[wine/hacks.git] / dlls / user32 / message.c
blobb93c703979ad074949ad6d301b4ef0a77c9e423d
1 /*
2 * Window messaging support
3 *
4 * Copyright 2001 Alexandre Julliard
5 * Copyright 2008 Maarten Lankhorst
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <assert.h>
26 #include <stdarg.h>
27
28 #include "ntstatus.h"
29 #define WIN32_NO_STATUS
30 #include "windef.h"
31 #include "winbase.h"
32 #include "wingdi.h"
33 #include "winuser.h"
34 #include "winerror.h"
35 #include "winnls.h"
36 #include "dbt.h"
37 #include "dde.h"
38 #include "imm.h"
39 #include "ddk/imm.h"
40 #include "wine/unicode.h"
41 #include "wine/server.h"
42 #include "user_private.h"
43 #include "win.h"
44 #include "controls.h"
45 #include "wine/debug.h"
46 #include "wine/exception.h"
47
48 WINE_DEFAULT_DEBUG_CHANNEL(msg);
49 WINE_DECLARE_DEBUG_CHANNEL(relay);
50 WINE_DECLARE_DEBUG_CHANNEL(key);
51
52 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
53 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
54
55 #define MAX_PACK_COUNT 4
56
57 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
58
59 /* the various structures that can be sent in messages, in platform-independent layout */
60 struct packed_CREATESTRUCTW
61 {
62 ULONGLONG lpCreateParams;
63 ULONGLONG hInstance;
64 user_handle_t hMenu;
65 DWORD __pad1;
66 user_handle_t hwndParent;
67 DWORD __pad2;
68 INT cy;
69 INT cx;
70 INT y;
71 INT x;
72 LONG style;
73 ULONGLONG lpszName;
74 ULONGLONG lpszClass;
75 DWORD dwExStyle;
76 DWORD __pad3;
77 };
78
79 struct packed_DRAWITEMSTRUCT
80 {
81 UINT CtlType;
82 UINT CtlID;
83 UINT itemID;
84 UINT itemAction;
85 UINT itemState;
86 user_handle_t hwndItem;
87 DWORD __pad1;
88 user_handle_t hDC;
89 DWORD __pad2;
90 RECT rcItem;
91 ULONGLONG itemData;
92 };
93
94 struct packed_MEASUREITEMSTRUCT
95 {
96 UINT CtlType;
97 UINT CtlID;
98 UINT itemID;
99 UINT itemWidth;
100 UINT itemHeight;
101 ULONGLONG itemData;
102 };
103
104 struct packed_DELETEITEMSTRUCT
105 {
106 UINT CtlType;
107 UINT CtlID;
108 UINT itemID;
109 user_handle_t hwndItem;
110 DWORD __pad;
111 ULONGLONG itemData;
112 };
113
114 struct packed_COMPAREITEMSTRUCT
115 {
116 UINT CtlType;
117 UINT CtlID;
118 user_handle_t hwndItem;
119 DWORD __pad1;
120 UINT itemID1;
121 ULONGLONG itemData1;
122 UINT itemID2;
123 ULONGLONG itemData2;
124 DWORD dwLocaleId;
125 DWORD __pad2;
126 };
127
128 struct packed_WINDOWPOS
129 {
130 user_handle_t hwnd;
131 DWORD __pad1;
132 user_handle_t hwndInsertAfter;
133 DWORD __pad2;
134 INT x;
135 INT y;
136 INT cx;
137 INT cy;
138 UINT flags;
139 DWORD __pad3;
140 };
141
142 struct packed_COPYDATASTRUCT
143 {
144 ULONGLONG dwData;
145 DWORD cbData;
146 ULONGLONG lpData;
147 };
148
149 struct packed_HELPINFO
150 {
151 UINT cbSize;
152 INT iContextType;
153 INT iCtrlId;
154 user_handle_t hItemHandle;
155 DWORD __pad;
156 ULONGLONG dwContextId;
157 POINT MousePos;
158 };
159
160 struct packed_NCCALCSIZE_PARAMS
161 {
162 RECT rgrc[3];
163 ULONGLONG __pad1;
164 user_handle_t hwnd;
165 DWORD __pad2;
166 user_handle_t hwndInsertAfter;
167 DWORD __pad3;
168 INT x;
169 INT y;
170 INT cx;
171 INT cy;
172 UINT flags;
173 DWORD __pad4;
174 };
175
176 struct packed_MSG
177 {
178 user_handle_t hwnd;
179 DWORD __pad1;
180 UINT message;
181 ULONGLONG wParam;
182 ULONGLONG lParam;
183 DWORD time;
184 POINT pt;
185 DWORD __pad2;
186 };
187
188 struct packed_MDINEXTMENU
189 {
190 user_handle_t hmenuIn;
191 DWORD __pad1;
192 user_handle_t hmenuNext;
193 DWORD __pad2;
194 user_handle_t hwndNext;
195 DWORD __pad3;
196 };
197
198 struct packed_MDICREATESTRUCTW
199 {
200 ULONGLONG szClass;
201 ULONGLONG szTitle;
202 ULONGLONG hOwner;
203 INT x;
204 INT y;
205 INT cx;
206 INT cy;
207 DWORD style;
208 ULONGLONG lParam;
209 };
210
211 struct packed_hook_extra_info
212 {
213 user_handle_t handle;
214 DWORD __pad;
215 ULONGLONG lparam;
216 };
217
218 /* the structures are unpacked on top of the packed ones, so make sure they fit */
219 C_ASSERT( sizeof(struct packed_CREATESTRUCTW) >= sizeof(CREATESTRUCTW) );
220 C_ASSERT( sizeof(struct packed_DRAWITEMSTRUCT) >= sizeof(DRAWITEMSTRUCT) );
221 C_ASSERT( sizeof(struct packed_MEASUREITEMSTRUCT) >= sizeof(MEASUREITEMSTRUCT) );
222 C_ASSERT( sizeof(struct packed_DELETEITEMSTRUCT) >= sizeof(DELETEITEMSTRUCT) );
223 C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) );
224 C_ASSERT( sizeof(struct packed_WINDOWPOS) >= sizeof(WINDOWPOS) );
225 C_ASSERT( sizeof(struct packed_COPYDATASTRUCT) >= sizeof(COPYDATASTRUCT) );
226 C_ASSERT( sizeof(struct packed_HELPINFO) >= sizeof(HELPINFO) );
227 C_ASSERT( sizeof(struct packed_NCCALCSIZE_PARAMS) >= sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS) );
228 C_ASSERT( sizeof(struct packed_MSG) >= sizeof(MSG) );
229 C_ASSERT( sizeof(struct packed_MDINEXTMENU) >= sizeof(MDINEXTMENU) );
230 C_ASSERT( sizeof(struct packed_MDICREATESTRUCTW) >= sizeof(MDICREATESTRUCTW) );
231 C_ASSERT( sizeof(struct packed_hook_extra_info) >= sizeof(struct hook_extra_info) );
232
233 union packed_structs
234 {
235 struct packed_CREATESTRUCTW cs;
236 struct packed_DRAWITEMSTRUCT dis;
237 struct packed_MEASUREITEMSTRUCT mis;
238 struct packed_DELETEITEMSTRUCT dls;
239 struct packed_COMPAREITEMSTRUCT cis;
240 struct packed_WINDOWPOS wp;
241 struct packed_COPYDATASTRUCT cds;
242 struct packed_HELPINFO hi;
243 struct packed_NCCALCSIZE_PARAMS ncp;
244 struct packed_MSG msg;
245 struct packed_MDINEXTMENU mnm;
246 struct packed_MDICREATESTRUCTW mcs;
247 struct packed_hook_extra_info hook;
248 };
249
250 /* description of the data fields that need to be packed along with a sent message */
251 struct packed_message
252 {
253 union packed_structs ps;
254 int count;
255 const void *data[MAX_PACK_COUNT];
256 size_t size[MAX_PACK_COUNT];
257 };
258
259 /* info about the message currently being received by the current thread */
260 struct received_message_info
261 {
262 enum message_type type;
263 MSG msg;
264 UINT flags; /* InSendMessageEx return flags */
265 };
266
267 /* structure to group all parameters for sent messages of the various kinds */
268 struct send_message_info
269 {
270 enum message_type type;
271 DWORD dest_tid;
272 HWND hwnd;
273 UINT msg;
274 WPARAM wparam;
275 LPARAM lparam;
276 UINT flags; /* flags for SendMessageTimeout */
277 UINT timeout; /* timeout for SendMessageTimeout */
278 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
279 ULONG_PTR data; /* callback data */
280 enum wm_char_mapping wm_char;
281 };
282
283
284 /* Message class descriptor */
285 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
286
287 const struct builtin_class_descr MESSAGE_builtin_class =
288 {
289 messageW, /* name */
290 0, /* style */
291 WINPROC_MESSAGE, /* proc */
292 0, /* extra */
293 IDC_ARROW, /* cursor */
294 0 /* brush */
295 };
296
297
298
299 /* flag for messages that contain pointers */
300 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
301
302 #define SET(msg) (1 << ((msg) & 31))
303
304 static const unsigned int message_pointer_flags[] =
305 {
306 /* 0x00 - 0x1f */
307 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
308 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
309 /* 0x20 - 0x3f */
310 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
311 SET(WM_COMPAREITEM),
312 /* 0x40 - 0x5f */
313 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
314 SET(WM_NOTIFY) | SET(WM_HELP),
315 /* 0x60 - 0x7f */
316 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
317 /* 0x80 - 0x9f */
318 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
319 /* 0xa0 - 0xbf */
320 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
321 /* 0xc0 - 0xdf */
322 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
323 /* 0xe0 - 0xff */
324 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
325 /* 0x100 - 0x11f */
326 0,
327 /* 0x120 - 0x13f */
328 0,
329 /* 0x140 - 0x15f */
330 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
331 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
332 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
333 /* 0x160 - 0x17f */
334 0,
335 /* 0x180 - 0x19f */
336 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
337 SET(LB_DIR) | SET(LB_FINDSTRING) |
338 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
339 /* 0x1a0 - 0x1bf */
340 SET(LB_FINDSTRINGEXACT),
341 /* 0x1c0 - 0x1df */
342 0,
343 /* 0x1e0 - 0x1ff */
344 0,
345 /* 0x200 - 0x21f */
346 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
347 /* 0x220 - 0x23f */
348 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
349 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
350 /* 0x240 - 0x25f */
351 0,
352 /* 0x260 - 0x27f */
353 0,
354 /* 0x280 - 0x29f */
355 0,
356 /* 0x2a0 - 0x2bf */
357 0,
358 /* 0x2c0 - 0x2df */
359 0,
360 /* 0x2e0 - 0x2ff */
361 0,
362 /* 0x300 - 0x31f */
363 SET(WM_ASKCBFORMATNAME)
364 };
365
366 /* flags for messages that contain Unicode strings */
367 static const unsigned int message_unicode_flags[] =
368 {
369 /* 0x00 - 0x1f */
370 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
371 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
372 /* 0x20 - 0x3f */
373 SET(WM_CHARTOITEM),
374 /* 0x40 - 0x5f */
375 0,
376 /* 0x60 - 0x7f */
377 0,
378 /* 0x80 - 0x9f */
379 SET(WM_NCCREATE),
380 /* 0xa0 - 0xbf */
381 0,
382 /* 0xc0 - 0xdf */
383 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
384 /* 0xe0 - 0xff */
385 0,
386 /* 0x100 - 0x11f */
387 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
388 /* 0x120 - 0x13f */
389 SET(WM_MENUCHAR),
390 /* 0x140 - 0x15f */
391 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
392 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
393 /* 0x160 - 0x17f */
394 0,
395 /* 0x180 - 0x19f */
396 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
397 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
398 /* 0x1a0 - 0x1bf */
399 SET(LB_FINDSTRINGEXACT),
400 /* 0x1c0 - 0x1df */
401 0,
402 /* 0x1e0 - 0x1ff */
403 0,
404 /* 0x200 - 0x21f */
405 0,
406 /* 0x220 - 0x23f */
407 SET(WM_MDICREATE),
408 /* 0x240 - 0x25f */
409 0,
410 /* 0x260 - 0x27f */
411 0,
412 /* 0x280 - 0x29f */
413 SET(WM_IME_CHAR),
414 /* 0x2a0 - 0x2bf */
415 0,
416 /* 0x2c0 - 0x2df */
417 0,
418 /* 0x2e0 - 0x2ff */
419 0,
420 /* 0x300 - 0x31f */
421 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
422 };
423
424 /* check whether a given message type includes pointers */
425 static inline int is_pointer_message( UINT message )
426 {
427 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
428 return (message_pointer_flags[message / 32] & SET(message)) != 0;
429 }
430
431 /* check whether a given message type contains Unicode (or ASCII) chars */
432 static inline int is_unicode_message( UINT message )
433 {
434 if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
435 return (message_unicode_flags[message / 32] & SET(message)) != 0;
436 }
437
438 #undef SET
439
440 /* add a data field to a packed message */
441 static inline void push_data( struct packed_message *data, const void *ptr, size_t size )
442 {
443 data->data[data->count] = ptr;
444 data->size[data->count] = size;
445 data->count++;
446 }
447
448 /* add a string to a packed message */
449 static inline void push_string( struct packed_message *data, LPCWSTR str )
450 {
451 push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
452 }
453
454 /* make sure that the buffer contains a valid null-terminated Unicode string */
455 static inline BOOL check_string( LPCWSTR str, size_t size )
456 {
457 for (size /= sizeof(WCHAR); size; size--, str++)
458 if (!*str) return TRUE;
459 return FALSE;
460 }
461
462 /* pack a pointer into a 32/64 portable format */
463 static inline ULONGLONG pack_ptr( const void *ptr )
464 {
465 return (ULONG_PTR)ptr;
466 }
467
468 /* unpack a potentially 64-bit pointer, returning 0 when truncated */
469 static inline void *unpack_ptr( ULONGLONG ptr64 )
470 {
471 if ((ULONG_PTR)ptr64 != ptr64) return 0;
472 return (void *)(ULONG_PTR)ptr64;
473 }
474
475 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
476 static inline void *get_buffer_space( void **buffer, size_t size )
477 {
478 void *ret;
479
480 if (*buffer)
481 {
482 if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
483 HeapFree( GetProcessHeap(), 0, *buffer );
484 }
485 else ret = HeapAlloc( GetProcessHeap(), 0, size );
486
487 *buffer = ret;
488 return ret;
489 }
490
491 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
492 static inline BOOL combobox_has_strings( HWND hwnd )
493 {
494 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
495 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
496 }
497
498 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
499 static inline BOOL listbox_has_strings( HWND hwnd )
500 {
501 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
502 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
503 }
504
505 /* check whether message is in the range of keyboard messages */
506 static inline BOOL is_keyboard_message( UINT message )
507 {
508 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
509 }
510
511 /* check whether message is in the range of mouse messages */
512 static inline BOOL is_mouse_message( UINT message )
513 {
514 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
515 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
516 }
517
518 /* check whether message matches the specified hwnd filter */
519 static inline BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
520 {
521 if (!hwnd_filter || hwnd_filter == GetDesktopWindow()) return TRUE;
522 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
523 }
524
525 /* check for pending WM_CHAR message with DBCS trailing byte */
526 static inline BOOL get_pending_wmchar( MSG *msg, UINT first, UINT last, BOOL remove )
527 {
528 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
529
530 if (!data || !data->get_msg.message) return FALSE;
531 if ((first || last) && (first > WM_CHAR || last < WM_CHAR)) return FALSE;
532 if (!msg) return FALSE;
533 *msg = data->get_msg;
534 if (remove) data->get_msg.message = 0;
535 return TRUE;
536 }
537
538
539 /***********************************************************************
540 * MessageWndProc
541 *
542 * Window procedure for "Message" windows (HWND_MESSAGE parent).
543 */
544 LRESULT WINAPI MessageWndProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
545 {
546 if (message == WM_NCCREATE) return TRUE;
547 return 0; /* all other messages are ignored */
548 }
549
550
551 /***********************************************************************
552 * broadcast_message_callback
553 *
554 * Helper callback for broadcasting messages.
555 */
556 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
557 {
558 struct send_message_info *info = (struct send_message_info *)lparam;
559 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
560 switch(info->type)
561 {
562 case MSG_UNICODE:
563 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
564 info->flags, info->timeout, NULL );
565 break;
566 case MSG_ASCII:
567 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
568 info->flags, info->timeout, NULL );
569 break;
570 case MSG_NOTIFY:
571 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
572 break;
573 case MSG_CALLBACK:
574 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
575 info->callback, info->data );
576 break;
577 case MSG_POSTED:
578 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
579 break;
580 default:
581 ERR( "bad type %d\n", info->type );
582 break;
583 }
584 return TRUE;
585 }
586
587
588 /***********************************************************************
589 * map_wparam_AtoW
590 *
591 * Convert the wparam of an ASCII message to Unicode.
592 */
593 BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping )
594 {
595 char ch[2];
596 WCHAR wch[2];
597
598 wch[0] = wch[1] = 0;
599 switch(message)
600 {
601 case WM_CHAR:
602 /* WM_CHAR is magic: a DBCS char can be sent/posted as two consecutive WM_CHAR
603 * messages, in which case the first char is stored, and the conversion
604 * to Unicode only takes place once the second char is sent/posted.
605 */
606 if (mapping != WMCHAR_MAP_NOMAPPING)
607 {
608 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
609 BYTE low = LOBYTE(*wparam);
610
611 if (HIBYTE(*wparam))
612 {
613 ch[0] = low;
614 ch[1] = HIBYTE(*wparam);
615 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 2 );
616 TRACE( "map %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
617 if (data) data->lead_byte[mapping] = 0;
618 }
619 else if (data && data->lead_byte[mapping])
620 {
621 ch[0] = data->lead_byte[mapping];
622 ch[1] = low;
623 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 2 );
624 TRACE( "map stored %02x,%02x -> %04x mapping %u\n", (BYTE)ch[0], (BYTE)ch[1], wch[0], mapping );
625 data->lead_byte[mapping] = 0;
626 }
627 else if (!IsDBCSLeadByte( low ))
628 {
629 ch[0] = low;
630 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 1 );
631 TRACE( "map %02x -> %04x\n", (BYTE)ch[0], wch[0] );
632 if (data) data->lead_byte[mapping] = 0;
633 }
634 else /* store it and wait for trail byte */
635 {
636 if (!data)
637 {
638 if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) )))
639 return FALSE;
640 get_user_thread_info()->wmchar_data = data;
641 }
642 TRACE( "storing lead byte %02x mapping %u\n", low, mapping );
643 data->lead_byte[mapping] = low;
644 return FALSE;
645 }
646 *wparam = MAKEWPARAM(wch[0], wch[1]);
647 break;
648 }
649 /* else fall through */
650 case WM_CHARTOITEM:
651 case EM_SETPASSWORDCHAR:
652 case WM_DEADCHAR:
653 case WM_SYSCHAR:
654 case WM_SYSDEADCHAR:
655 case WM_MENUCHAR:
656 ch[0] = LOBYTE(*wparam);
657 ch[1] = HIBYTE(*wparam);
658 RtlMultiByteToUnicodeN( wch, sizeof(wch), NULL, ch, 2 );
659 *wparam = MAKEWPARAM(wch[0], wch[1]);
660 break;
661 case WM_IME_CHAR:
662 ch[0] = HIBYTE(*wparam);
663 ch[1] = LOBYTE(*wparam);
664 if (ch[0]) RtlMultiByteToUnicodeN( wch, sizeof(wch[0]), NULL, ch, 2 );
665 else RtlMultiByteToUnicodeN( wch, sizeof(wch[0]), NULL, ch + 1, 1 );
666 *wparam = MAKEWPARAM(wch[0], HIWORD(*wparam));
667 break;
668 }
669 return TRUE;
670 }
671
672
673 /***********************************************************************
674 * map_wparam_WtoA
675 *
676 * Convert the wparam of a Unicode message to ASCII.
677 */
678 static void map_wparam_WtoA( MSG *msg, BOOL remove )
679 {
680 BYTE ch[2];
681 WCHAR wch[2];
682 DWORD len;
683
684 switch(msg->message)
685 {
686 case WM_CHAR:
687 if (!HIWORD(msg->wParam))
688 {
689 wch[0] = LOWORD(msg->wParam);
690 ch[0] = ch[1] = 0;
691 RtlUnicodeToMultiByteN( (LPSTR)ch, 2, &len, wch, sizeof(wch[0]) );
692 if (len == 2) /* DBCS char */
693 {
694 struct wm_char_mapping_data *data = get_user_thread_info()->wmchar_data;
695 if (!data)
696 {
697 if (!(data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data) ))) return;
698 get_user_thread_info()->wmchar_data = data;
699 }
700 if (remove)
701 {
702 data->get_msg = *msg;
703 data->get_msg.wParam = ch[1];
704 }
705 msg->wParam = ch[0];
706 return;
707 }
708 }
709 /* else fall through */
710 case WM_CHARTOITEM:
711 case EM_SETPASSWORDCHAR:
712 case WM_DEADCHAR:
713 case WM_SYSCHAR:
714 case WM_SYSDEADCHAR:
715 case WM_MENUCHAR:
716 wch[0] = LOWORD(msg->wParam);
717 wch[1] = HIWORD(msg->wParam);
718 ch[0] = ch[1] = 0;
719 RtlUnicodeToMultiByteN( (LPSTR)ch, 2, NULL, wch, sizeof(wch) );
720 msg->wParam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
721 break;
722 case WM_IME_CHAR:
723 wch[0] = LOWORD(msg->wParam);
724 ch[0] = ch[1] = 0;
725 RtlUnicodeToMultiByteN( (LPSTR)ch, 2, &len, wch, sizeof(wch[0]) );
726 if (len == 2)
727 msg->wParam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(msg->wParam) );
728 else
729 msg->wParam = MAKEWPARAM( ch[0], HIWORD(msg->wParam) );
730 break;
731 }
732 }
733
734
735 /***********************************************************************
736 * pack_message
737 *
738 * Pack a message for sending to another process.
739 * Return the size of the data we expect in the message reply.
740 * Set data->count to -1 if there is an error.
741 */
742 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
743 struct packed_message *data )
744 {
745 data->count = 0;
746 switch(message)
747 {
748 case WM_NCCREATE:
749 case WM_CREATE:
750 {
751 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
752 data->ps.cs.lpCreateParams = pack_ptr( cs->lpCreateParams );
753 data->ps.cs.hInstance = pack_ptr( cs->hInstance );
754 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
755 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
756 data->ps.cs.cy = cs->cy;
757 data->ps.cs.cx = cs->cx;
758 data->ps.cs.y = cs->y;
759 data->ps.cs.x = cs->x;
760 data->ps.cs.style = cs->style;
761 data->ps.cs.dwExStyle = cs->dwExStyle;
762 data->ps.cs.lpszName = pack_ptr( cs->lpszName );
763 data->ps.cs.lpszClass = pack_ptr( cs->lpszClass );
764 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
765 if (!IS_INTRESOURCE(cs->lpszName)) push_string( data, cs->lpszName );
766 if (!IS_INTRESOURCE(cs->lpszClass)) push_string( data, cs->lpszClass );
767 return sizeof(data->ps.cs);
768 }
769 case WM_GETTEXT:
770 case WM_ASKCBFORMATNAME:
771 return wparam * sizeof(WCHAR);
772 case WM_WININICHANGE:
773 if (lparam) push_string(data, (LPWSTR)lparam );
774 return 0;
775 case WM_SETTEXT:
776 case WM_DEVMODECHANGE:
777 case CB_DIR:
778 case LB_DIR:
779 case LB_ADDFILE:
780 case EM_REPLACESEL:
781 push_string( data, (LPWSTR)lparam );
782 return 0;
783 case WM_GETMINMAXINFO:
784 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
785 return sizeof(MINMAXINFO);
786 case WM_DRAWITEM:
787 {
788 DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam;
789 data->ps.dis.CtlType = dis->CtlType;
790 data->ps.dis.CtlID = dis->CtlID;
791 data->ps.dis.itemID = dis->itemID;
792 data->ps.dis.itemAction = dis->itemAction;
793 data->ps.dis.itemState = dis->itemState;
794 data->ps.dis.hwndItem = wine_server_user_handle( dis->hwndItem );
795 data->ps.dis.hDC = wine_server_user_handle( dis->hDC ); /* FIXME */
796 data->ps.dis.rcItem = dis->rcItem;
797 data->ps.dis.itemData = dis->itemData;
798 push_data( data, &data->ps.dis, sizeof(data->ps.dis) );
799 return 0;
800 }
801 case WM_MEASUREITEM:
802 {
803 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
804 data->ps.mis.CtlType = mis->CtlType;
805 data->ps.mis.CtlID = mis->CtlID;
806 data->ps.mis.itemID = mis->itemID;
807 data->ps.mis.itemWidth = mis->itemWidth;
808 data->ps.mis.itemHeight = mis->itemHeight;
809 data->ps.mis.itemData = mis->itemData;
810 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
811 return sizeof(data->ps.mis);
812 }
813 case WM_DELETEITEM:
814 {
815 DELETEITEMSTRUCT *dls = (DELETEITEMSTRUCT *)lparam;
816 data->ps.dls.CtlType = dls->CtlType;
817 data->ps.dls.CtlID = dls->CtlID;
818 data->ps.dls.itemID = dls->itemID;
819 data->ps.dls.hwndItem = wine_server_user_handle( dls->hwndItem );
820 data->ps.dls.itemData = dls->itemData;
821 push_data( data, &data->ps.dls, sizeof(data->ps.dls) );
822 return 0;
823 }
824 case WM_COMPAREITEM:
825 {
826 COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)lparam;
827 data->ps.cis.CtlType = cis->CtlType;
828 data->ps.cis.CtlID = cis->CtlID;
829 data->ps.cis.hwndItem = wine_server_user_handle( cis->hwndItem );
830 data->ps.cis.itemID1 = cis->itemID1;
831 data->ps.cis.itemData1 = cis->itemData1;
832 data->ps.cis.itemID2 = cis->itemID2;
833 data->ps.cis.itemData2 = cis->itemData2;
834 data->ps.cis.dwLocaleId = cis->dwLocaleId;
835 push_data( data, &data->ps.cis, sizeof(data->ps.cis) );
836 return 0;
837 }
838 case WM_WINDOWPOSCHANGING:
839 case WM_WINDOWPOSCHANGED:
840 {
841 WINDOWPOS *wp = (WINDOWPOS *)lparam;
842 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
843 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
844 data->ps.wp.x = wp->x;
845 data->ps.wp.y = wp->y;
846 data->ps.wp.cx = wp->cx;
847 data->ps.wp.cy = wp->cy;
848 data->ps.wp.flags = wp->flags;
849 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
850 return sizeof(data->ps.wp);
851 }
852 case WM_COPYDATA:
853 {
854 COPYDATASTRUCT *cds = (COPYDATASTRUCT *)lparam;
855 data->ps.cds.cbData = cds->cbData;
856 data->ps.cds.dwData = cds->dwData;
857 data->ps.cds.lpData = pack_ptr( cds->lpData );
858 push_data( data, &data->ps.cds, sizeof(data->ps.cds) );
859 if (cds->lpData) push_data( data, cds->lpData, cds->cbData );
860 return 0;
861 }
862 case WM_NOTIFY:
863 /* WM_NOTIFY cannot be sent across processes (MSDN) */
864 data->count = -1;
865 return 0;
866 case WM_HELP:
867 {
868 HELPINFO *hi = (HELPINFO *)lparam;
869 data->ps.hi.iContextType = hi->iContextType;
870 data->ps.hi.iCtrlId = hi->iCtrlId;
871 data->ps.hi.hItemHandle = wine_server_user_handle( hi->hItemHandle );
872 data->ps.hi.dwContextId = hi->dwContextId;
873 data->ps.hi.MousePos = hi->MousePos;
874 push_data( data, &data->ps.hi, sizeof(data->ps.hi) );
875 return 0;
876 }
877 case WM_STYLECHANGING:
878 case WM_STYLECHANGED:
879 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
880 return 0;
881 case WM_NCCALCSIZE:
882 if (!wparam)
883 {
884 push_data( data, (RECT *)lparam, sizeof(RECT) );
885 return sizeof(RECT);
886 }
887 else
888 {
889 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
890 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
891 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
892 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
893 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
894 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
895 data->ps.ncp.x = ncp->lppos->x;
896 data->ps.ncp.y = ncp->lppos->y;
897 data->ps.ncp.cx = ncp->lppos->cx;
898 data->ps.ncp.cy = ncp->lppos->cy;
899 data->ps.ncp.flags = ncp->lppos->flags;
900 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
901 return sizeof(data->ps.ncp);
902 }
903 case WM_GETDLGCODE:
904 if (lparam)
905 {
906 MSG *msg = (MSG *)lparam;
907 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
908 data->ps.msg.message = msg->message;
909 data->ps.msg.wParam = msg->wParam;
910 data->ps.msg.lParam = msg->lParam;
911 data->ps.msg.time = msg->time;
912 data->ps.msg.pt = msg->pt;
913 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
914 return sizeof(data->ps.msg);
915 }
916 return 0;
917 case SBM_SETSCROLLINFO:
918 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
919 return 0;
920 case SBM_GETSCROLLINFO:
921 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
922 return sizeof(SCROLLINFO);
923 case SBM_GETSCROLLBARINFO:
924 {
925 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
926 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
927 push_data( data, info, size );
928 return size;
929 }
930 case EM_GETSEL:
931 case SBM_GETRANGE:
932 case CB_GETEDITSEL:
933 {
934 size_t size = 0;
935 if (wparam) size += sizeof(DWORD);
936 if (lparam) size += sizeof(DWORD);
937 return size;
938 }
939 case EM_GETRECT:
940 case LB_GETITEMRECT:
941 case CB_GETDROPPEDCONTROLRECT:
942 return sizeof(RECT);
943 case EM_SETRECT:
944 case EM_SETRECTNP:
945 push_data( data, (RECT *)lparam, sizeof(RECT) );
946 return 0;
947 case EM_GETLINE:
948 {
949 WORD *pw = (WORD *)lparam;
950 push_data( data, pw, sizeof(*pw) );
951 return *pw * sizeof(WCHAR);
952 }
953 case EM_SETTABSTOPS:
954 case LB_SETTABSTOPS:
955 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
956 return 0;
957 case CB_ADDSTRING:
958 case CB_INSERTSTRING:
959 case CB_FINDSTRING:
960 case CB_FINDSTRINGEXACT:
961 case CB_SELECTSTRING:
962 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
963 return 0;
964 case CB_GETLBTEXT:
965 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
966 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
967 case LB_ADDSTRING:
968 case LB_INSERTSTRING:
969 case LB_FINDSTRING:
970 case LB_FINDSTRINGEXACT:
971 case LB_SELECTSTRING:
972 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
973 return 0;
974 case LB_GETTEXT:
975 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
976 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
977 case LB_GETSELITEMS:
978 return wparam * sizeof(UINT);
979 case WM_NEXTMENU:
980 {
981 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
982 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
983 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
984 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
985 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
986 return sizeof(data->ps.mnm);
987 }
988 case WM_SIZING:
989 case WM_MOVING:
990 push_data( data, (RECT *)lparam, sizeof(RECT) );
991 return sizeof(RECT);
992 case WM_MDICREATE:
993 {
994 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
995 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
996 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
997 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
998 data->ps.mcs.x = mcs->x;
999 data->ps.mcs.y = mcs->y;
1000 data->ps.mcs.cx = mcs->cx;
1001 data->ps.mcs.cy = mcs->cy;
1002 data->ps.mcs.style = mcs->style;
1003 data->ps.mcs.lParam = mcs->lParam;
1004 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
1005 if (!IS_INTRESOURCE(mcs->szClass)) push_string( data, mcs->szClass );
1006 if (!IS_INTRESOURCE(mcs->szTitle)) push_string( data, mcs->szTitle );
1007 return sizeof(data->ps.mcs);
1008 }
1009 case WM_MDIGETACTIVE:
1010 if (lparam) return sizeof(BOOL);
1011 return 0;
1012 case WM_DEVICECHANGE:
1013 {
1014 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
1015 push_data( data, header, header->dbch_size );
1016 return 0;
1017 }
1018 case WM_WINE_SETWINDOWPOS:
1019 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
1020 return 0;
1021 case WM_WINE_KEYBOARD_LL_HOOK:
1022 {
1023 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1024 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
1025 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
1026 push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
1027 return 0;
1028 }
1029 case WM_WINE_MOUSE_LL_HOOK:
1030 {
1031 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1032 data->ps.hook.handle = wine_server_user_handle( h_extra->handle );
1033 push_data( data, &data->ps.hook, sizeof(data->ps.hook) );
1034 push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
1035 return 0;
1036 }
1037 case WM_NCPAINT:
1038 if (wparam <= 1) return 0;
1039 FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
1040 data->count = -1;
1041 return 0;
1042 case WM_PAINT:
1043 if (!wparam) return 0;
1044 /* fall through */
1045
1046 /* these contain an HFONT */
1047 case WM_SETFONT:
1048 case WM_GETFONT:
1049 /* these contain an HDC */
1050 case WM_ERASEBKGND:
1051 case WM_ICONERASEBKGND:
1052 case WM_CTLCOLORMSGBOX:
1053 case WM_CTLCOLOREDIT:
1054 case WM_CTLCOLORLISTBOX:
1055 case WM_CTLCOLORBTN:
1056 case WM_CTLCOLORDLG:
1057 case WM_CTLCOLORSCROLLBAR:
1058 case WM_CTLCOLORSTATIC:
1059 case WM_PRINT:
1060 case WM_PRINTCLIENT:
1061 /* these contain an HGLOBAL */
1062 case WM_PAINTCLIPBOARD:
1063 case WM_SIZECLIPBOARD:
1064 /* these contain HICON */
1065 case WM_GETICON:
1066 case WM_SETICON:
1067 case WM_QUERYDRAGICON:
1068 case WM_QUERYPARKICON:
1069 /* these contain pointers */
1070 case WM_DROPOBJECT:
1071 case WM_QUERYDROPOBJECT:
1072 case WM_DRAGLOOP:
1073 case WM_DRAGSELECT:
1074 case WM_DRAGMOVE:
1075 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
1076 data->count = -1;
1077 return 0;
1078 }
1079 return 0;
1080 }
1081
1082
1083 /***********************************************************************
1084 * unpack_message
1085 *
1086 * Unpack a message received from another process.
1087 */
1088 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1089 void **buffer, size_t size )
1090 {
1091 size_t minsize = 0;
1092 union packed_structs *ps = *buffer;
1093
1094 switch(message)
1095 {
1096 case WM_NCCREATE:
1097 case WM_CREATE:
1098 {
1099 CREATESTRUCTW cs;
1100 WCHAR *str = (WCHAR *)(&ps->cs + 1);
1101 if (size < sizeof(ps->cs)) return FALSE;
1102 size -= sizeof(ps->cs);
1103 cs.lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
1104 cs.hInstance = unpack_ptr( ps->cs.hInstance );
1105 cs.hMenu = wine_server_ptr_handle( ps->cs.hMenu );
1106 cs.hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
1107 cs.cy = ps->cs.cy;
1108 cs.cx = ps->cs.cx;
1109 cs.y = ps->cs.y;
1110 cs.x = ps->cs.x;
1111 cs.style = ps->cs.style;
1112 cs.dwExStyle = ps->cs.dwExStyle;
1113 cs.lpszName = unpack_ptr( ps->cs.lpszName );
1114 cs.lpszClass = unpack_ptr( ps->cs.lpszClass );
1115 if (ps->cs.lpszName >> 16)
1116 {
1117 if (!check_string( str, size )) return FALSE;
1118 cs.lpszName = str;
1119 size -= (strlenW(str) + 1) * sizeof(WCHAR);
1120 str += strlenW(str) + 1;
1121 }
1122 if (ps->cs.lpszClass >> 16)
1123 {
1124 if (!check_string( str, size )) return FALSE;
1125 cs.lpszClass = str;
1126 }
1127 memcpy( &ps->cs, &cs, sizeof(cs) );
1128 break;
1129 }
1130 case WM_GETTEXT:
1131 case WM_ASKCBFORMATNAME:
1132 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
1133 break;
1134 case WM_WININICHANGE:
1135 if (!*lparam) return TRUE;
1136 /* fall through */
1137 case WM_SETTEXT:
1138 case WM_DEVMODECHANGE:
1139 case CB_DIR:
1140 case LB_DIR:
1141 case LB_ADDFILE:
1142 case EM_REPLACESEL:
1143 if (!check_string( *buffer, size )) return FALSE;
1144 break;
1145 case WM_GETMINMAXINFO:
1146 minsize = sizeof(MINMAXINFO);
1147 break;
1148 case WM_DRAWITEM:
1149 {
1150 DRAWITEMSTRUCT dis;
1151 if (size < sizeof(ps->dis)) return FALSE;
1152 dis.CtlType = ps->dis.CtlType;
1153 dis.CtlID = ps->dis.CtlID;
1154 dis.itemID = ps->dis.itemID;
1155 dis.itemAction = ps->dis.itemAction;
1156 dis.itemState = ps->dis.itemState;
1157 dis.hwndItem = wine_server_ptr_handle( ps->dis.hwndItem );
1158 dis.hDC = wine_server_ptr_handle( ps->dis.hDC );
1159 dis.rcItem = ps->dis.rcItem;
1160 dis.itemData = (ULONG_PTR)unpack_ptr( ps->dis.itemData );
1161 memcpy( &ps->dis, &dis, sizeof(dis) );
1162 break;
1163 }
1164 case WM_MEASUREITEM:
1165 {
1166 MEASUREITEMSTRUCT mis;
1167 if (size < sizeof(ps->mis)) return FALSE;
1168 mis.CtlType = ps->mis.CtlType;
1169 mis.CtlID = ps->mis.CtlID;
1170 mis.itemID = ps->mis.itemID;
1171 mis.itemWidth = ps->mis.itemWidth;
1172 mis.itemHeight = ps->mis.itemHeight;
1173 mis.itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
1174 memcpy( &ps->mis, &mis, sizeof(mis) );
1175 break;
1176 }
1177 case WM_DELETEITEM:
1178 {
1179 DELETEITEMSTRUCT dls;
1180 if (size < sizeof(ps->dls)) return FALSE;
1181 dls.CtlType = ps->dls.CtlType;
1182 dls.CtlID = ps->dls.CtlID;
1183 dls.itemID = ps->dls.itemID;
1184 dls.hwndItem = wine_server_ptr_handle( ps->dls.hwndItem );
1185 dls.itemData = (ULONG_PTR)unpack_ptr( ps->dls.itemData );
1186 memcpy( &ps->dls, &dls, sizeof(dls) );
1187 break;
1188 }
1189 case WM_COMPAREITEM:
1190 {
1191 COMPAREITEMSTRUCT cis;
1192 if (size < sizeof(ps->cis)) return FALSE;
1193 cis.CtlType = ps->cis.CtlType;
1194 cis.CtlID = ps->cis.CtlID;
1195 cis.hwndItem = wine_server_ptr_handle( ps->cis.hwndItem );
1196 cis.itemID1 = ps->cis.itemID1;
1197 cis.itemData1 = (ULONG_PTR)unpack_ptr( ps->cis.itemData1 );
1198 cis.itemID2 = ps->cis.itemID2;
1199 cis.itemData2 = (ULONG_PTR)unpack_ptr( ps->cis.itemData2 );
1200 cis.dwLocaleId = ps->cis.dwLocaleId;
1201 memcpy( &ps->cis, &cis, sizeof(cis) );
1202 break;
1203 }
1204 case WM_WINDOWPOSCHANGING:
1205 case WM_WINDOWPOSCHANGED:
1206 case WM_WINE_SETWINDOWPOS:
1207 {
1208 WINDOWPOS wp;
1209 if (size < sizeof(ps->wp)) return FALSE;
1210 wp.hwnd = wine_server_ptr_handle( ps->wp.hwnd );
1211 wp.hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
1212 wp.x = ps->wp.x;
1213 wp.y = ps->wp.y;
1214 wp.cx = ps->wp.cx;
1215 wp.cy = ps->wp.cy;
1216 wp.flags = ps->wp.flags;
1217 memcpy( &ps->wp, &wp, sizeof(wp) );
1218 break;
1219 }
1220 case WM_COPYDATA:
1221 {
1222 COPYDATASTRUCT cds;
1223 if (size < sizeof(ps->cds)) return FALSE;
1224 cds.dwData = (ULONG_PTR)unpack_ptr( ps->cds.dwData );
1225 if (ps->cds.lpData)
1226 {
1227 cds.cbData = ps->cds.cbData;
1228 cds.lpData = &ps->cds + 1;
1229 minsize = sizeof(ps->cds) + cds.cbData;
1230 }
1231 else
1232 {
1233 cds.cbData = 0;
1234 cds.lpData = 0;
1235 }
1236 memcpy( &ps->cds, &cds, sizeof(cds) );
1237 break;
1238 }
1239 case WM_NOTIFY:
1240 /* WM_NOTIFY cannot be sent across processes (MSDN) */
1241 return FALSE;
1242 case WM_HELP:
1243 {
1244 HELPINFO hi;
1245 if (size < sizeof(ps->hi)) return FALSE;
1246 hi.cbSize = sizeof(hi);
1247 hi.iContextType = ps->hi.iContextType;
1248 hi.iCtrlId = ps->hi.iCtrlId;
1249 hi.hItemHandle = wine_server_ptr_handle( ps->hi.hItemHandle );
1250 hi.dwContextId = (ULONG_PTR)unpack_ptr( ps->hi.dwContextId );
1251 hi.MousePos = ps->hi.MousePos;
1252 memcpy( &ps->hi, &hi, sizeof(hi) );
1253 break;
1254 }
1255 case WM_STYLECHANGING:
1256 case WM_STYLECHANGED:
1257 minsize = sizeof(STYLESTRUCT);
1258 break;
1259 case WM_NCCALCSIZE:
1260 if (!*wparam) minsize = sizeof(RECT);
1261 else
1262 {
1263 NCCALCSIZE_PARAMS ncp;
1264 WINDOWPOS wp;
1265 if (size < sizeof(ps->ncp)) return FALSE;
1266 ncp.rgrc[0] = ps->ncp.rgrc[0];
1267 ncp.rgrc[1] = ps->ncp.rgrc[1];
1268 ncp.rgrc[2] = ps->ncp.rgrc[2];
1269 wp.hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1270 wp.hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1271 wp.x = ps->ncp.x;
1272 wp.y = ps->ncp.y;
1273 wp.cx = ps->ncp.cx;
1274 wp.cy = ps->ncp.cy;
1275 wp.flags = ps->ncp.flags;
1276 ncp.lppos = (WINDOWPOS *)((NCCALCSIZE_PARAMS *)&ps->ncp + 1);
1277 memcpy( &ps->ncp, &ncp, sizeof(ncp) );
1278 *ncp.lppos = wp;
1279 }
1280 break;
1281 case WM_GETDLGCODE:
1282 if (*lparam)
1283 {
1284 MSG msg;
1285 if (size < sizeof(ps->msg)) return FALSE;
1286 msg.hwnd = wine_server_ptr_handle( ps->msg.hwnd );
1287 msg.message = ps->msg.message;
1288 msg.wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
1289 msg.lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
1290 msg.time = ps->msg.time;
1291 msg.pt = ps->msg.pt;
1292 memcpy( &ps->msg, &msg, sizeof(msg) );
1293 break;
1294 }
1295 return TRUE;
1296 case SBM_SETSCROLLINFO:
1297 minsize = sizeof(SCROLLINFO);
1298 break;
1299 case SBM_GETSCROLLINFO:
1300 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
1301 break;
1302 case SBM_GETSCROLLBARINFO:
1303 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
1304 break;
1305 case EM_GETSEL:
1306 case SBM_GETRANGE:
1307 case CB_GETEDITSEL:
1308 if (*wparam || *lparam)
1309 {
1310 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
1311 if (*wparam) *wparam = (WPARAM)*buffer;
1312 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
1313 }
1314 return TRUE;
1315 case EM_GETRECT:
1316 case LB_GETITEMRECT:
1317 case CB_GETDROPPEDCONTROLRECT:
1318 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
1319 break;
1320 case EM_SETRECT:
1321 case EM_SETRECTNP:
1322 minsize = sizeof(RECT);
1323 break;
1324 case EM_GETLINE:
1325 {
1326 WORD len;
1327 if (size < sizeof(WORD)) return FALSE;
1328 len = *(WORD *)*buffer;
1329 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
1330 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
1331 return TRUE;
1332 }
1333 case EM_SETTABSTOPS:
1334 case LB_SETTABSTOPS:
1335 if (!*wparam) return TRUE;
1336 minsize = *wparam * sizeof(UINT);
1337 break;
1338 case CB_ADDSTRING:
1339 case CB_INSERTSTRING:
1340 case CB_FINDSTRING:
1341 case CB_FINDSTRINGEXACT:
1342 case CB_SELECTSTRING:
1343 case LB_ADDSTRING:
1344 case LB_INSERTSTRING:
1345 case LB_FINDSTRING:
1346 case LB_FINDSTRINGEXACT:
1347 case LB_SELECTSTRING:
1348 if (!*buffer) return TRUE;
1349 if (!check_string( *buffer, size )) return FALSE;
1350 break;
1351 case CB_GETLBTEXT:
1352 {
1353 size = sizeof(ULONG_PTR);
1354 if (combobox_has_strings( hwnd ))
1355 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
1356 if (!get_buffer_space( buffer, size )) return FALSE;
1357 break;
1358 }
1359 case LB_GETTEXT:
1360 {
1361 size = sizeof(ULONG_PTR);
1362 if (listbox_has_strings( hwnd ))
1363 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
1364 if (!get_buffer_space( buffer, size )) return FALSE;
1365 break;
1366 }
1367 case LB_GETSELITEMS:
1368 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
1369 break;
1370 case WM_NEXTMENU:
1371 {
1372 MDINEXTMENU mnm;
1373 if (size < sizeof(ps->mnm)) return FALSE;
1374 mnm.hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
1375 mnm.hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
1376 mnm.hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
1377 memcpy( &ps->mnm, &mnm, sizeof(mnm) );
1378 break;
1379 }
1380 case WM_SIZING:
1381 case WM_MOVING:
1382 minsize = sizeof(RECT);
1383 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
1384 break;
1385 case WM_MDICREATE:
1386 {
1387 MDICREATESTRUCTW mcs;
1388 WCHAR *str = (WCHAR *)(&ps->mcs + 1);
1389 if (size < sizeof(ps->mcs)) return FALSE;
1390 size -= sizeof(ps->mcs);
1391
1392 mcs.szClass = unpack_ptr( ps->mcs.szClass );
1393 mcs.szTitle = unpack_ptr( ps->mcs.szTitle );
1394 mcs.hOwner = unpack_ptr( ps->mcs.hOwner );
1395 mcs.x = ps->mcs.x;
1396 mcs.y = ps->mcs.y;
1397 mcs.cx = ps->mcs.cx;
1398 mcs.cy = ps->mcs.cy;
1399 mcs.style = ps->mcs.style;
1400 mcs.lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1401 if (ps->mcs.szClass >> 16)
1402 {
1403 if (!check_string( str, size )) return FALSE;
1404 mcs.szClass = str;
1405 size -= (strlenW(str) + 1) * sizeof(WCHAR);
1406 str += strlenW(str) + 1;
1407 }
1408 if (ps->mcs.szTitle >> 16)
1409 {
1410 if (!check_string( str, size )) return FALSE;
1411 mcs.szTitle = str;
1412 }
1413 memcpy( &ps->mcs, &mcs, sizeof(mcs) );
1414 break;
1415 }
1416 case WM_MDIGETACTIVE:
1417 if (!*lparam) return TRUE;
1418 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
1419 break;
1420 case WM_DEVICECHANGE:
1421 minsize = sizeof(DEV_BROADCAST_HDR);
1422 break;
1423 case WM_WINE_KEYBOARD_LL_HOOK:
1424 case WM_WINE_MOUSE_LL_HOOK:
1425 {
1426 struct hook_extra_info h_extra;
1427 minsize = sizeof(ps->hook) +
1428 (message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
1429 : sizeof(MSLLHOOKSTRUCT));
1430 if (size < minsize) return FALSE;
1431 h_extra.handle = wine_server_ptr_handle( ps->hook.handle );
1432 h_extra.lparam = (LPARAM)(&ps->hook + 1);
1433 memcpy( &ps->hook, &h_extra, sizeof(h_extra) );
1434 break;
1435 }
1436 case WM_NCPAINT:
1437 if (*wparam <= 1) return TRUE;
1438 FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
1439 return FALSE;
1440 case WM_PAINT:
1441 if (!*wparam) return TRUE;
1442 /* fall through */
1443
1444 /* these contain an HFONT */
1445 case WM_SETFONT:
1446 case WM_GETFONT:
1447 /* these contain an HDC */
1448 case WM_ERASEBKGND:
1449 case WM_ICONERASEBKGND:
1450 case WM_CTLCOLORMSGBOX:
1451 case WM_CTLCOLOREDIT:
1452 case WM_CTLCOLORLISTBOX:
1453 case WM_CTLCOLORBTN:
1454 case WM_CTLCOLORDLG:
1455 case WM_CTLCOLORSCROLLBAR:
1456 case WM_CTLCOLORSTATIC:
1457 case WM_PRINT:
1458 case WM_PRINTCLIENT:
1459 /* these contain an HGLOBAL */
1460 case WM_PAINTCLIPBOARD:
1461 case WM_SIZECLIPBOARD:
1462 /* these contain HICON */
1463 case WM_GETICON:
1464 case WM_SETICON:
1465 case WM_QUERYDRAGICON:
1466 case WM_QUERYPARKICON:
1467 /* these contain pointers */
1468 case WM_DROPOBJECT:
1469 case WM_QUERYDROPOBJECT:
1470 case WM_DRAGLOOP:
1471 case WM_DRAGSELECT:
1472 case WM_DRAGMOVE:
1473 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
1474 return FALSE;
1475
1476 default:
1477 return TRUE; /* message doesn't need any unpacking */
1478 }
1479
1480 /* default exit for most messages: check minsize and store buffer in lparam */
1481 if (size < minsize) return FALSE;
1482 *lparam = (LPARAM)*buffer;
1483 return TRUE;
1484 }
1485
1486
1487 /***********************************************************************
1488 * pack_reply
1489 *
1490 * Pack a reply to a message for sending to another process.
1491 */
1492 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1493 LRESULT res, struct packed_message *data )
1494 {
1495 data->count = 0;
1496 switch(message)
1497 {
1498 case WM_NCCREATE:
1499 case WM_CREATE:
1500 {
1501 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1502 data->ps.cs.lpCreateParams = (ULONG_PTR)cs->lpCreateParams;
1503 data->ps.cs.hInstance = (ULONG_PTR)cs->hInstance;
1504 data->ps.cs.hMenu = wine_server_user_handle( cs->hMenu );
1505 data->ps.cs.hwndParent = wine_server_user_handle( cs->hwndParent );
1506 data->ps.cs.cy = cs->cy;
1507 data->ps.cs.cx = cs->cx;
1508 data->ps.cs.y = cs->y;
1509 data->ps.cs.x = cs->x;
1510 data->ps.cs.style = cs->style;
1511 data->ps.cs.dwExStyle = cs->dwExStyle;
1512 data->ps.cs.lpszName = (ULONG_PTR)cs->lpszName;
1513 data->ps.cs.lpszClass = (ULONG_PTR)cs->lpszClass;
1514 push_data( data, &data->ps.cs, sizeof(data->ps.cs) );
1515 break;
1516 }
1517 case WM_GETTEXT:
1518 case CB_GETLBTEXT:
1519 case LB_GETTEXT:
1520 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
1521 break;
1522 case WM_GETMINMAXINFO:
1523 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
1524 break;
1525 case WM_MEASUREITEM:
1526 {
1527 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
1528 data->ps.mis.CtlType = mis->CtlType;
1529 data->ps.mis.CtlID = mis->CtlID;
1530 data->ps.mis.itemID = mis->itemID;
1531 data->ps.mis.itemWidth = mis->itemWidth;
1532 data->ps.mis.itemHeight = mis->itemHeight;
1533 data->ps.mis.itemData = mis->itemData;
1534 push_data( data, &data->ps.mis, sizeof(data->ps.mis) );
1535 break;
1536 }
1537 case WM_WINDOWPOSCHANGING:
1538 case WM_WINDOWPOSCHANGED:
1539 {
1540 WINDOWPOS *wp = (WINDOWPOS *)lparam;
1541 data->ps.wp.hwnd = wine_server_user_handle( wp->hwnd );
1542 data->ps.wp.hwndInsertAfter = wine_server_user_handle( wp->hwndInsertAfter );
1543 data->ps.wp.x = wp->x;
1544 data->ps.wp.y = wp->y;
1545 data->ps.wp.cx = wp->cx;
1546 data->ps.wp.cy = wp->cy;
1547 data->ps.wp.flags = wp->flags;
1548 push_data( data, &data->ps.wp, sizeof(data->ps.wp) );
1549 break;
1550 }
1551 case WM_GETDLGCODE:
1552 if (lparam)
1553 {
1554 MSG *msg = (MSG *)lparam;
1555 data->ps.msg.hwnd = wine_server_user_handle( msg->hwnd );
1556 data->ps.msg.message = msg->message;
1557 data->ps.msg.wParam = msg->wParam;
1558 data->ps.msg.lParam = msg->lParam;
1559 data->ps.msg.time = msg->time;
1560 data->ps.msg.pt = msg->pt;
1561 push_data( data, &data->ps.msg, sizeof(data->ps.msg) );
1562 }
1563 break;
1564 case SBM_GETSCROLLINFO:
1565 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
1566 break;
1567 case EM_GETRECT:
1568 case LB_GETITEMRECT:
1569 case CB_GETDROPPEDCONTROLRECT:
1570 case WM_SIZING:
1571 case WM_MOVING:
1572 push_data( data, (RECT *)lparam, sizeof(RECT) );
1573 break;
1574 case EM_GETLINE:
1575 {
1576 WORD *ptr = (WORD *)lparam;
1577 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
1578 break;
1579 }
1580 case LB_GETSELITEMS:
1581 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
1582 break;
1583 case WM_MDIGETACTIVE:
1584 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
1585 break;
1586 case WM_NCCALCSIZE:
1587 if (!wparam)
1588 push_data( data, (RECT *)lparam, sizeof(RECT) );
1589 else
1590 {
1591 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1592 data->ps.ncp.rgrc[0] = ncp->rgrc[0];
1593 data->ps.ncp.rgrc[1] = ncp->rgrc[1];
1594 data->ps.ncp.rgrc[2] = ncp->rgrc[2];
1595 data->ps.ncp.hwnd = wine_server_user_handle( ncp->lppos->hwnd );
1596 data->ps.ncp.hwndInsertAfter = wine_server_user_handle( ncp->lppos->hwndInsertAfter );
1597 data->ps.ncp.x = ncp->lppos->x;
1598 data->ps.ncp.y = ncp->lppos->y;
1599 data->ps.ncp.cx = ncp->lppos->cx;
1600 data->ps.ncp.cy = ncp->lppos->cy;
1601 data->ps.ncp.flags = ncp->lppos->flags;
1602 push_data( data, &data->ps.ncp, sizeof(data->ps.ncp) );
1603 }
1604 break;
1605 case EM_GETSEL:
1606 case SBM_GETRANGE:
1607 case CB_GETEDITSEL:
1608 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
1609 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
1610 break;
1611 case WM_NEXTMENU:
1612 {
1613 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
1614 data->ps.mnm.hmenuIn = wine_server_user_handle( mnm->hmenuIn );
1615 data->ps.mnm.hmenuNext = wine_server_user_handle( mnm->hmenuNext );
1616 data->ps.mnm.hwndNext = wine_server_user_handle( mnm->hwndNext );
1617 push_data( data, &data->ps.mnm, sizeof(data->ps.mnm) );
1618 break;
1619 }
1620 case WM_MDICREATE:
1621 {
1622 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1623 data->ps.mcs.szClass = pack_ptr( mcs->szClass );
1624 data->ps.mcs.szTitle = pack_ptr( mcs->szTitle );
1625 data->ps.mcs.hOwner = pack_ptr( mcs->hOwner );
1626 data->ps.mcs.x = mcs->x;
1627 data->ps.mcs.y = mcs->y;
1628 data->ps.mcs.cx = mcs->cx;
1629 data->ps.mcs.cy = mcs->cy;
1630 data->ps.mcs.style = mcs->style;
1631 data->ps.mcs.lParam = mcs->lParam;
1632 push_data( data, &data->ps.mcs, sizeof(data->ps.mcs) );
1633 break;
1634 }
1635 case WM_ASKCBFORMATNAME:
1636 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1637 break;
1638 }
1639 }
1640
1641
1642 /***********************************************************************
1643 * unpack_reply
1644 *
1645 * Unpack a message reply received from another process.
1646 */
1647 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1648 void *buffer, size_t size )
1649 {
1650 union packed_structs *ps = buffer;
1651
1652 switch(message)
1653 {
1654 case WM_NCCREATE:
1655 case WM_CREATE:
1656 if (size >= sizeof(ps->cs))
1657 {
1658 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1659 cs->lpCreateParams = unpack_ptr( ps->cs.lpCreateParams );
1660 cs->hInstance = unpack_ptr( ps->cs.hInstance );
1661 cs->hMenu = wine_server_ptr_handle( ps->cs.hMenu );
1662 cs->hwndParent = wine_server_ptr_handle( ps->cs.hwndParent );
1663 cs->cy = ps->cs.cy;
1664 cs->cx = ps->cs.cx;
1665 cs->y = ps->cs.y;
1666 cs->x = ps->cs.x;
1667 cs->style = ps->cs.style;
1668 cs->dwExStyle = ps->cs.dwExStyle;
1669 /* don't allow changing name and class pointers */
1670 }
1671 break;
1672 case WM_GETTEXT:
1673 case WM_ASKCBFORMATNAME:
1674 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1675 break;
1676 case WM_GETMINMAXINFO:
1677 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1678 break;
1679 case WM_MEASUREITEM:
1680 if (size >= sizeof(ps->mis))
1681 {
1682 MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam;
1683 mis->CtlType = ps->mis.CtlType;
1684 mis->CtlID = ps->mis.CtlID;
1685 mis->itemID = ps->mis.itemID;
1686 mis->itemWidth = ps->mis.itemWidth;
1687 mis->itemHeight = ps->mis.itemHeight;
1688 mis->itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData );
1689 }
1690 break;
1691 case WM_WINDOWPOSCHANGING:
1692 case WM_WINDOWPOSCHANGED:
1693 if (size >= sizeof(ps->wp))
1694 {
1695 WINDOWPOS *wp = (WINDOWPOS *)lparam;
1696 wp->hwnd = wine_server_ptr_handle( ps->wp.hwnd );
1697 wp->hwndInsertAfter = wine_server_ptr_handle( ps->wp.hwndInsertAfter );
1698 wp->x = ps->wp.x;
1699 wp->y = ps->wp.y;
1700 wp->cx = ps->wp.cx;
1701 wp->cy = ps->wp.cy;
1702 wp->flags = ps->wp.flags;
1703 }
1704 break;
1705 case WM_GETDLGCODE:
1706 if (lparam && size >= sizeof(ps->msg))
1707 {
1708 MSG *msg = (MSG *)lparam;
1709 msg->hwnd = wine_server_ptr_handle( ps->msg.hwnd );
1710 msg->message = ps->msg.message;
1711 msg->wParam = (ULONG_PTR)unpack_ptr( ps->msg.wParam );
1712 msg->lParam = (ULONG_PTR)unpack_ptr( ps->msg.lParam );
1713 msg->time = ps->msg.time;
1714 msg->pt = ps->msg.pt;
1715 }
1716 break;
1717 case SBM_GETSCROLLINFO:
1718 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1719 break;
1720 case SBM_GETSCROLLBARINFO:
1721 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1722 break;
1723 case EM_GETRECT:
1724 case CB_GETDROPPEDCONTROLRECT:
1725 case LB_GETITEMRECT:
1726 case WM_SIZING:
1727 case WM_MOVING:
1728 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1729 break;
1730 case EM_GETLINE:
1731 size = min( size, (size_t)*(WORD *)lparam );
1732 memcpy( (WCHAR *)lparam, buffer, size );
1733 break;
1734 case LB_GETSELITEMS:
1735 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1736 break;
1737 case LB_GETTEXT:
1738 case CB_GETLBTEXT:
1739 memcpy( (WCHAR *)lparam, buffer, size );
1740 break;
1741 case WM_NEXTMENU:
1742 if (size >= sizeof(ps->mnm))
1743 {
1744 MDINEXTMENU *mnm = (MDINEXTMENU *)lparam;
1745 mnm->hmenuIn = wine_server_ptr_handle( ps->mnm.hmenuIn );
1746 mnm->hmenuNext = wine_server_ptr_handle( ps->mnm.hmenuNext );
1747 mnm->hwndNext = wine_server_ptr_handle( ps->mnm.hwndNext );
1748 }
1749 break;
1750 case WM_MDIGETACTIVE:
1751 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1752 break;
1753 case WM_NCCALCSIZE:
1754 if (!wparam)
1755 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1756 else if (size >= sizeof(ps->ncp))
1757 {
1758 NCCALCSIZE_PARAMS *ncp = (NCCALCSIZE_PARAMS *)lparam;
1759 ncp->rgrc[0] = ps->ncp.rgrc[0];
1760 ncp->rgrc[1] = ps->ncp.rgrc[1];
1761 ncp->rgrc[2] = ps->ncp.rgrc[2];
1762 ncp->lppos->hwnd = wine_server_ptr_handle( ps->ncp.hwnd );
1763 ncp->lppos->hwndInsertAfter = wine_server_ptr_handle( ps->ncp.hwndInsertAfter );
1764 ncp->lppos->x = ps->ncp.x;
1765 ncp->lppos->y = ps->ncp.y;
1766 ncp->lppos->cx = ps->ncp.cx;
1767 ncp->lppos->cy = ps->ncp.cy;
1768 ncp->lppos->flags = ps->ncp.flags;
1769 }
1770 break;
1771 case EM_GETSEL:
1772 case SBM_GETRANGE:
1773 case CB_GETEDITSEL:
1774 if (wparam)
1775 {
1776 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1777 if (size <= sizeof(DWORD)) break;
1778 size -= sizeof(DWORD);
1779 buffer = (DWORD *)buffer + 1;
1780 }
1781 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1782 break;
1783 case WM_MDICREATE:
1784 if (size >= sizeof(ps->mcs))
1785 {
1786 MDICREATESTRUCTW *mcs = (MDICREATESTRUCTW *)lparam;
1787 mcs->hOwner = unpack_ptr( ps->mcs.hOwner );
1788 mcs->x = ps->mcs.x;
1789 mcs->y = ps->mcs.y;
1790 mcs->cx = ps->mcs.cx;
1791 mcs->cy = ps->mcs.cy;
1792 mcs->style = ps->mcs.style;
1793 mcs->lParam = (LPARAM)unpack_ptr( ps->mcs.lParam );
1794 /* don't allow changing class and title pointers */
1795 }
1796 break;
1797 default:
1798 ERR( "should not happen: unexpected message %x\n", message );
1799 break;
1800 }
1801 }
1802
1803
1804 /***********************************************************************
1805 * reply_message
1806 *
1807 * Send a reply to a sent message.
1808 */
1809 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1810 {
1811 struct packed_message data;
1812 int i, replied = info->flags & ISMEX_REPLIED;
1813
1814 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1815 if (!remove && replied) return; /* replied already */
1816
1817 memset( &data, 0, sizeof(data) );
1818 info->flags |= ISMEX_REPLIED;
1819
1820 if (info->type == MSG_OTHER_PROCESS && !replied)
1821 {
1822 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1823 info->msg.lParam, result, &data );
1824 }
1825
1826 SERVER_START_REQ( reply_message )
1827 {
1828 req->result = result;
1829 req->remove = remove;
1830 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1831 wine_server_call( req );
1832 }
1833 SERVER_END_REQ;
1834 }
1835
1836
1837 /***********************************************************************
1838 * handle_internal_message
1839 *
1840 * Handle an internal Wine message instead of calling the window proc.
1841 */
1842 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1843 {
1844 switch(msg)
1845 {
1846 case WM_WINE_DESTROYWINDOW:
1847 return WIN_DestroyWindow( hwnd );
1848 case WM_WINE_SETWINDOWPOS:
1849 if (is_desktop_window( hwnd )) return 0;
1850 return USER_SetWindowPos( (WINDOWPOS *)lparam );
1851 case WM_WINE_SHOWWINDOW:
1852 if (is_desktop_window( hwnd )) return 0;
1853 return ShowWindow( hwnd, wparam );
1854 case WM_WINE_SETPARENT:
1855 if (is_desktop_window( hwnd )) return 0;
1856 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1857 case WM_WINE_SETWINDOWLONG:
1858 return WIN_SetWindowLong( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, TRUE );
1859 case WM_WINE_ENABLEWINDOW:
1860 if (is_desktop_window( hwnd )) return 0;
1861 return EnableWindow( hwnd, wparam );
1862 case WM_WINE_SETACTIVEWINDOW:
1863 if (is_desktop_window( hwnd )) return 0;
1864 return (LRESULT)SetActiveWindow( (HWND)wparam );
1865 case WM_WINE_KEYBOARD_LL_HOOK:
1866 case WM_WINE_MOUSE_LL_HOOK:
1867 {
1868 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1869
1870 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1871 }
1872 default:
1873 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1874 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1875 FIXME( "unknown internal message %x\n", msg );
1876 return 0;
1877 }
1878 }
1879
1880 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1881 * to the memory handle, we keep track (in the server side) of all pairs of handle
1882 * used (the client passes its value and the content of the memory handle), and
1883 * the server stored both values (the client, and the local one, created after the
1884 * content). When a ACK message is generated, the list of pair is searched for a
1885 * matching pair, so that the client memory handle can be returned.
1886 */
1887 struct DDE_pair {
1888 HGLOBAL client_hMem;
1889 HGLOBAL server_hMem;
1890 };
1891
1892 static struct DDE_pair* dde_pairs;
1893 static int dde_num_alloc;
1894 static int dde_num_used;
1895
1896 static CRITICAL_SECTION dde_crst;
1897 static CRITICAL_SECTION_DEBUG critsect_debug =
1898 {
1899 0, 0, &dde_crst,
1900 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1901 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1902 };
1903 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1904
1905 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1906 {
1907 int i;
1908 #define GROWBY 4
1909
1910 EnterCriticalSection(&dde_crst);
1911
1912 /* now remember the pair of hMem on both sides */
1913 if (dde_num_used == dde_num_alloc)
1914 {
1915 struct DDE_pair* tmp;
1916 if (dde_pairs)
1917 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1918 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1919 else
1920 tmp = HeapAlloc( GetProcessHeap(), 0,
1921 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1922
1923 if (!tmp)
1924 {
1925 LeaveCriticalSection(&dde_crst);
1926 return FALSE;
1927 }
1928 dde_pairs = tmp;
1929 /* zero out newly allocated part */
1930 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1931 dde_num_alloc += GROWBY;
1932 }
1933 #undef GROWBY
1934 for (i = 0; i < dde_num_alloc; i++)
1935 {
1936 if (dde_pairs[i].server_hMem == 0)
1937 {
1938 dde_pairs[i].client_hMem = chm;
1939 dde_pairs[i].server_hMem = shm;
1940 dde_num_used++;
1941 break;
1942 }
1943 }
1944 LeaveCriticalSection(&dde_crst);
1945 return TRUE;
1946 }
1947
1948 static HGLOBAL dde_get_pair(HGLOBAL shm)
1949 {
1950 int i;
1951 HGLOBAL ret = 0;
1952
1953 EnterCriticalSection(&dde_crst);
1954 for (i = 0; i < dde_num_alloc; i++)
1955 {
1956 if (dde_pairs[i].server_hMem == shm)
1957 {
1958 /* free this pair */
1959 dde_pairs[i].server_hMem = 0;
1960 dde_num_used--;
1961 ret = dde_pairs[i].client_hMem;
1962 break;
1963 }
1964 }
1965 LeaveCriticalSection(&dde_crst);
1966 return ret;
1967 }
1968
1969 /***********************************************************************
1970 * post_dde_message
1971 *
1972 * Post a DDE message
1973 */
1974 static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
1975 {
1976 void* ptr = NULL;
1977 int size = 0;
1978 UINT_PTR uiLo, uiHi;
1979 LPARAM lp = 0;
1980 HGLOBAL hunlock = 0;
1981 int i;
1982 DWORD res;
1983
1984 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1985 return FALSE;
1986
1987 lp = info->lparam;
1988 switch (info->msg)
1989 {
1990 /* DDE messages which don't require packing are:
1991 * WM_DDE_INITIATE
1992 * WM_DDE_TERMINATE
1993 * WM_DDE_REQUEST
1994 * WM_DDE_UNADVISE
1995 */
1996 case WM_DDE_ACK:
1997 if (HIWORD(uiHi))
1998 {
1999 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
2000 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
2001 if (h)
2002 {
2003 ULONGLONG hpack = pack_ptr( h );
2004 /* send back the value of h on the other side */
2005 push_data( data, &hpack, sizeof(hpack) );
2006 lp = uiLo;
2007 TRACE( "send dde-ack %lx %08lx => %p\n", uiLo, uiHi, h );
2008 }
2009 }
2010 else
2011 {
2012 /* uiHi should contain either an atom or 0 */
2013 TRACE( "send dde-ack %lx atom=%lx\n", uiLo, uiHi );
2014 lp = MAKELONG( uiLo, uiHi );
2015 }
2016 break;
2017 case WM_DDE_ADVISE:
2018 case WM_DDE_DATA:
2019 case WM_DDE_POKE:
2020 size = 0;
2021 if (uiLo)
2022 {
2023 size = GlobalSize( (HGLOBAL)uiLo ) ;
2024 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
2025 (info->msg == WM_DDE_DATA && size < FIELD_OFFSET(DDEDATA, Value)) ||
2026 (info->msg == WM_DDE_POKE && size < FIELD_OFFSET(DDEPOKE, Value))
2027 )
2028 return FALSE;
2029 }
2030 else if (info->msg != WM_DDE_DATA) return FALSE;
2031
2032 lp = uiHi;
2033 if (uiLo)
2034 {
2035 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
2036 {
2037 DDEDATA *dde_data = ptr;
2038 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
2039 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
2040 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
2041 push_data( data, ptr, size );
2042 hunlock = (HGLOBAL)uiLo;
2043 }
2044 }
2045 TRACE( "send ddepack %u %lx\n", size, uiHi );
2046 break;
2047 case WM_DDE_EXECUTE:
2048 if (info->lparam)
2049 {
2050 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
2051 {
2052 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
2053 /* so that the other side can send it back on ACK */
2054 lp = info->lparam;
2055 hunlock = (HGLOBAL)info->lparam;
2056 }
2057 }
2058 break;
2059 }
2060 SERVER_START_REQ( send_message )
2061 {
2062 req->id = info->dest_tid;
2063 req->type = info->type;
2064 req->flags = 0;
2065 req->win = wine_server_user_handle( info->hwnd );
2066 req->msg = info->msg;
2067 req->wparam = info->wparam;
2068 req->lparam = lp;
2069 req->timeout = TIMEOUT_INFINITE;
2070 for (i = 0; i < data->count; i++)
2071 wine_server_add_data( req, data->data[i], data->size[i] );
2072 if ((res = wine_server_call( req )))
2073 {
2074 if (res == STATUS_INVALID_PARAMETER)
2075 /* FIXME: find a STATUS_ value for this one */
2076 SetLastError( ERROR_INVALID_THREAD_ID );
2077 else
2078 SetLastError( RtlNtStatusToDosError(res) );
2079 }
2080 else
2081 FreeDDElParam(info->msg, info->lparam);
2082 }
2083 SERVER_END_REQ;
2084 if (hunlock) GlobalUnlock(hunlock);
2085
2086 return !res;
2087 }
2088
2089 /***********************************************************************
2090 * unpack_dde_message
2091 *
2092 * Unpack a posted DDE message received from another process.
2093 */
2094 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
2095 void **buffer, size_t size )
2096 {
2097 UINT_PTR uiLo, uiHi;
2098 HGLOBAL hMem = 0;
2099 void* ptr;
2100
2101 switch (message)
2102 {
2103 case WM_DDE_ACK:
2104 if (size)
2105 {
2106 ULONGLONG hpack;
2107 /* hMem is being passed */
2108 if (size != sizeof(hpack)) return FALSE;
2109 if (!buffer || !*buffer) return FALSE;
2110 uiLo = *lparam;
2111 memcpy( &hpack, *buffer, size );
2112 hMem = unpack_ptr( hpack );
2113 uiHi = (UINT_PTR)hMem;
2114 TRACE("recv dde-ack %lx mem=%lx[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
2115 }
2116 else
2117 {
2118 uiLo = LOWORD( *lparam );
2119 uiHi = HIWORD( *lparam );
2120 TRACE("recv dde-ack %lx atom=%lx\n", uiLo, uiHi);
2121 }
2122 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
2123 break;
2124 case WM_DDE_ADVISE:
2125 case WM_DDE_DATA:
2126 case WM_DDE_POKE:
2127 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
2128 uiHi = *lparam;
2129 if (size)
2130 {
2131 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
2132 return FALSE;
2133 if ((ptr = GlobalLock( hMem )))
2134 {
2135 memcpy( ptr, *buffer, size );
2136 GlobalUnlock( hMem );
2137 }
2138 else
2139 {
2140 GlobalFree( hMem );
2141 return FALSE;
2142 }
2143 }
2144 uiLo = (UINT_PTR)hMem;
2145
2146 *lparam = PackDDElParam( message, uiLo, uiHi );
2147 break;
2148 case WM_DDE_EXECUTE:
2149 if (size)
2150 {
2151 if (!buffer || !*buffer) return FALSE;
2152 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
2153 if ((ptr = GlobalLock( hMem )))
2154 {
2155 memcpy( ptr, *buffer, size );
2156 GlobalUnlock( hMem );
2157 TRACE( "exec: pairing c=%08lx s=%p\n", *lparam, hMem );
2158 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
2159 {
2160 GlobalFree( hMem );
2161 return FALSE;
2162 }
2163 }
2164 else
2165 {
2166 GlobalFree( hMem );
2167 return FALSE;
2168 }
2169 } else return FALSE;
2170 *lparam = (LPARAM)hMem;
2171 break;
2172 }
2173 return TRUE;
2174 }
2175
2176 /***********************************************************************
2177 * call_window_proc
2178 *
2179 * Call a window procedure and the corresponding hooks.
2180 */
2181 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2182 BOOL unicode, BOOL same_thread, enum wm_char_mapping mapping )
2183 {
2184 LRESULT result = 0;
2185 CWPSTRUCT cwp;
2186 CWPRETSTRUCT cwpret;
2187
2188 if (msg & 0x80000000)
2189 {
2190 result = handle_internal_message( hwnd, msg, wparam, lparam );
2191 goto done;
2192 }
2193
2194 /* first the WH_CALLWNDPROC hook */
2195 hwnd = WIN_GetFullHandle( hwnd );
2196 cwp.lParam = lparam;
2197 cwp.wParam = wparam;
2198 cwp.message = msg;
2199 cwp.hwnd = hwnd;
2200 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
2201
2202 /* now call the window procedure */
2203 if (!WINPROC_call_window( hwnd, msg, wparam, lparam, &result, unicode, mapping )) goto done;
2204
2205 /* and finally the WH_CALLWNDPROCRET hook */
2206 cwpret.lResult = result;
2207 cwpret.lParam = lparam;
2208 cwpret.wParam = wparam;
2209 cwpret.message = msg;
2210 cwpret.hwnd = hwnd;
2211 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
2212 done:
2213 return result;
2214 }
2215
2216
2217 /***********************************************************************
2218 * send_parent_notify
2219 *
2220 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
2221 * the window has the WS_EX_NOPARENTNOTIFY style.
2222 */
2223 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
2224 {
2225 /* pt has to be in the client coordinates of the parent window */
2226 MapWindowPoints( 0, hwnd, &pt, 1 );
2227 for (;;)
2228 {
2229 HWND parent;
2230
2231 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
2232 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
2233 if (!(parent = GetParent(hwnd))) break;
2234 if (parent == GetDesktopWindow()) break;
2235 MapWindowPoints( hwnd, parent, &pt, 1 );
2236 hwnd = parent;
2237 SendMessageW( hwnd, WM_PARENTNOTIFY,
2238 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
2239 }
2240 }
2241
2242
2243 /***********************************************************************
2244 * accept_hardware_message
2245 *
2246 * Tell the server we have passed the message to the app
2247 * (even though we may end up dropping it later on)
2248 */
2249 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
2250 {
2251 SERVER_START_REQ( accept_hardware_message )
2252 {
2253 req->hw_id = hw_id;
2254 req->remove = remove;
2255 req->new_win = wine_server_user_handle( new_hwnd );
2256 if (wine_server_call( req ))
2257 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
2258 }
2259 SERVER_END_REQ;
2260 }
2261
2262
2263 /***********************************************************************
2264 * process_keyboard_message
2265 *
2266 * returns TRUE if the contents of 'msg' should be passed to the application
2267 */
2268 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
2269 UINT first, UINT last, BOOL remove )
2270 {
2271 EVENTMSG event;
2272
2273 if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN ||
2274 msg->message == WM_KEYUP || msg->message == WM_SYSKEYUP)
2275 switch (msg->wParam)
2276 {
2277 case VK_LSHIFT: case VK_RSHIFT:
2278 msg->wParam = VK_SHIFT;
2279 break;
2280 case VK_LCONTROL: case VK_RCONTROL:
2281 msg->wParam = VK_CONTROL;
2282 break;
2283 case VK_LMENU: case VK_RMENU:
2284 msg->wParam = VK_MENU;
2285 break;
2286 }
2287
2288 /* FIXME: is this really the right place for this hook? */
2289 event.message = msg->message;
2290 event.hwnd = msg->hwnd;
2291 event.time = msg->time;
2292 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
2293 event.paramH = msg->lParam & 0x7FFF;
2294 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
2295 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
2296
2297 /* check message filters */
2298 if (msg->message < first || msg->message > last) return FALSE;
2299 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
2300
2301 if (remove)
2302 {
2303 if((msg->message == WM_KEYDOWN) &&
2304 (msg->hwnd != GetDesktopWindow()))
2305 {
2306 /* Handle F1 key by sending out WM_HELP message */
2307 if (msg->wParam == VK_F1)
2308 {
2309 PostMessageW( msg->hwnd, WM_KEYF1, 0, 0 );
2310 }
2311 else if(msg->wParam >= VK_BROWSER_BACK &&
2312 msg->wParam <= VK_LAUNCH_APP2)
2313 {
2314 /* FIXME: Process keystate */
2315 SendMessageW(msg->hwnd, WM_APPCOMMAND, (WPARAM)msg->hwnd, MAKELPARAM(0, (FAPPCOMMAND_KEY | (msg->wParam - VK_BROWSER_BACK + 1))));
2316 }
2317 }
2318 else if (msg->message == WM_KEYUP)
2319 {
2320 /* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
2321 if (msg->wParam == VK_APPS && !MENU_IsMenuActive())
2322 PostMessageW(msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, -1);
2323 }
2324 }
2325
2326 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
2327 LOWORD(msg->wParam), msg->lParam, TRUE ))
2328 {
2329 /* skip this message */
2330 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
2331 accept_hardware_message( hw_id, TRUE, 0 );
2332 return FALSE;
2333 }
2334 accept_hardware_message( hw_id, remove, 0 );
2335
2336 if ( msg->message == WM_KEYDOWN || msg->message == WM_KEYUP )
2337 if ( ImmProcessKey(msg->hwnd, GetKeyboardLayout(0), msg->wParam, msg->lParam, 0) )
2338 msg->wParam = VK_PROCESSKEY;
2339
2340 return TRUE;
2341 }
2342
2343
2344 /***********************************************************************
2345 * process_mouse_message
2346 *
2347 * returns TRUE if the contents of 'msg' should be passed to the application
2348 */
2349 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
2350 UINT first, UINT last, BOOL remove )
2351 {
2352 static MSG clk_msg;
2353
2354 POINT pt;
2355 UINT message;
2356 INT hittest;
2357 EVENTMSG event;
2358 GUITHREADINFO info;
2359 MOUSEHOOKSTRUCT hook;
2360 BOOL eatMsg;
2361
2362 /* find the window to dispatch this mouse message to */
2363
2364 GetGUIThreadInfo( GetCurrentThreadId(), &info );
2365 if (info.hwndCapture)
2366 {
2367 hittest = HTCLIENT;
2368 msg->hwnd = info.hwndCapture;
2369 }
2370 else
2371 {
2372 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
2373 }
2374
2375 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
2376 {
2377 accept_hardware_message( hw_id, TRUE, msg->hwnd );
2378 return FALSE;
2379 }
2380
2381 /* FIXME: is this really the right place for this hook? */
2382 event.message = msg->message;
2383 event.time = msg->time;
2384 event.hwnd = msg->hwnd;
2385 event.paramL = msg->pt.x;
2386 event.paramH = msg->pt.y;
2387 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
2388
2389 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
2390
2391 pt = msg->pt;
2392 message = msg->message;
2393 /* Note: windows has no concept of a non-client wheel message */
2394 if (message != WM_MOUSEWHEEL)
2395 {
2396 if (hittest != HTCLIENT)
2397 {
2398 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
2399 msg->wParam = hittest;
2400 }
2401 else
2402 {
2403 /* coordinates don't get translated while tracking a menu */
2404 /* FIXME: should differentiate popups and top-level menus */
2405 if (!(info.flags & GUI_INMENUMODE))
2406 ScreenToClient( msg->hwnd, &pt );
2407 }
2408 }
2409 msg->lParam = MAKELONG( pt.x, pt.y );
2410
2411 /* translate double clicks */
2412
2413 if ((msg->message == WM_LBUTTONDOWN) ||
2414 (msg->message == WM_RBUTTONDOWN) ||
2415 (msg->message == WM_MBUTTONDOWN) ||
2416 (msg->message == WM_XBUTTONDOWN))
2417 {
2418 BOOL update = remove;
2419
2420 /* translate double clicks -
2421 * note that ...MOUSEMOVEs can slip in between
2422 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
2423
2424 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
2425 hittest != HTCLIENT ||
2426 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
2427 {
2428 if ((msg->message == clk_msg.message) &&
2429 (msg->hwnd == clk_msg.hwnd) &&
2430 (msg->wParam == clk_msg.wParam) &&
2431 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
2432 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
2433 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
2434 {
2435 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
2436 if (update)
2437 {
2438 clk_msg.message = 0; /* clear the double click conditions */
2439 update = FALSE;
2440 }
2441 }
2442 }
2443 if (message < first || message > last) return FALSE;
2444 /* update static double click conditions */
2445 if (update) clk_msg = *msg;
2446 }
2447 else
2448 {
2449 if (message < first || message > last) return FALSE;
2450 }
2451
2452 /* message is accepted now (but may still get dropped) */
2453
2454 hook.pt = msg->pt;
2455 hook.hwnd = msg->hwnd;
2456 hook.wHitTestCode = hittest;
2457 hook.dwExtraInfo = extra_info;
2458 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
2459 message, (LPARAM)&hook, TRUE ))
2460 {
2461 hook.pt = msg->pt;
2462 hook.hwnd = msg->hwnd;
2463 hook.wHitTestCode = hittest;
2464 hook.dwExtraInfo = extra_info;
2465 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
2466 accept_hardware_message( hw_id, TRUE, 0 );
2467 return FALSE;
2468 }
2469
2470 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
2471 {
2472 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
2473 MAKELONG( hittest, msg->message ));
2474 accept_hardware_message( hw_id, TRUE, 0 );
2475 return FALSE;
2476 }
2477
2478 accept_hardware_message( hw_id, remove, 0 );
2479
2480 if (!remove || info.hwndCapture)
2481 {
2482 msg->message = message;
2483 return TRUE;
2484 }
2485
2486 eatMsg = FALSE;
2487
2488 if ((msg->message == WM_LBUTTONDOWN) ||
2489 (msg->message == WM_RBUTTONDOWN) ||
2490 (msg->message == WM_MBUTTONDOWN) ||
2491 (msg->message == WM_XBUTTONDOWN))
2492 {
2493 /* Send the WM_PARENTNOTIFY,
2494 * note that even for double/nonclient clicks
2495 * notification message is still WM_L/M/RBUTTONDOWN.
2496 */
2497 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
2498
2499 /* Activate the window if needed */
2500
2501 if (msg->hwnd != info.hwndActive)
2502 {
2503 HWND hwndTop = msg->hwnd;
2504 while (hwndTop)
2505 {
2506 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
2507 hwndTop = GetParent( hwndTop );
2508 }
2509
2510 if (hwndTop && hwndTop != GetDesktopWindow())
2511 {
2512 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
2513 MAKELONG( hittest, msg->message ) );
2514 switch(ret)
2515 {
2516 case MA_NOACTIVATEANDEAT:
2517 eatMsg = TRUE;
2518 /* fall through */
2519 case MA_NOACTIVATE:
2520 break;
2521 case MA_ACTIVATEANDEAT:
2522 eatMsg = TRUE;
2523 /* fall through */
2524 case MA_ACTIVATE:
2525 case 0:
2526 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
2527 break;
2528 default:
2529 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
2530 break;
2531 }
2532 }
2533 }
2534 }
2535
2536 /* send the WM_SETCURSOR message */
2537
2538 /* Windows sends the normal mouse message as the message parameter
2539 in the WM_SETCURSOR message even if it's non-client mouse message */
2540 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
2541
2542 msg->message = message;
2543 return !eatMsg;
2544 }
2545
2546
2547 /***********************************************************************
2548 * process_hardware_message
2549 *
2550 * Process a hardware message; return TRUE if message should be passed on to the app
2551 */
2552 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
2553 UINT first, UINT last, BOOL remove )
2554 {
2555 if (is_keyboard_message( msg->message ))
2556 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
2557
2558 if (is_mouse_message( msg->message ))
2559 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
2560
2561 ERR( "unknown message type %x\n", msg->message );
2562 return FALSE;
2563 }
2564
2565
2566 /***********************************************************************
2567 * call_sendmsg_callback
2568 *
2569 * Call the callback function of SendMessageCallback.
2570 */
2571 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
2572 ULONG_PTR data, LRESULT result )
2573 {
2574 if (!callback) return;
2575
2576 if (TRACE_ON(relay))
2577 DPRINTF( "%04x:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2578 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2579 data, result );
2580 callback( hwnd, msg, data, result );
2581 if (TRACE_ON(relay))
2582 DPRINTF( "%04x:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
2583 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
2584 data, result );
2585 }
2586
2587
2588 /***********************************************************************
2589 * peek_message
2590 *
2591 * Peek for a message matching the given parameters. Return FALSE if none available.
2592 * All pending sent messages are processed before returning.
2593 */
2594 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags, UINT changed_mask )
2595 {
2596 LRESULT result;
2597 struct user_thread_info *thread_info = get_user_thread_info();
2598 struct received_message_info info, *old_info;
2599 unsigned int hw_id = 0; /* id of previous hardware message */
2600 void *buffer;
2601 size_t buffer_size = 256;
2602
2603 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2604
2605 if (!first && !last) last = ~0;
2606 if (hwnd == HWND_BROADCAST) hwnd = HWND_TOPMOST;
2607
2608 for (;;)
2609 {
2610 NTSTATUS res;
2611 size_t size = 0;
2612 const message_data_t *msg_data = buffer;
2613
2614 SERVER_START_REQ( get_message )
2615 {
2616 req->flags = flags;
2617 req->get_win = wine_server_user_handle( hwnd );
2618 req->get_first = first;
2619 req->get_last = last;
2620 req->hw_id = hw_id;
2621 req->wake_mask = changed_mask & (QS_SENDMESSAGE | QS_SMRESULT);
2622 req->changed_mask = changed_mask;
2623 wine_server_set_reply( req, buffer, buffer_size );
2624 if (!(res = wine_server_call( req )))
2625 {
2626 size = wine_server_reply_size( reply );
2627 info.type = reply->type;
2628 info.msg.hwnd = wine_server_ptr_handle( reply->win );
2629 info.msg.message = reply->msg;
2630 info.msg.wParam = reply->wparam;
2631 info.msg.lParam = reply->lparam;
2632 info.msg.time = reply->time;
2633 info.msg.pt.x = 0;
2634 info.msg.pt.y = 0;
2635 hw_id = 0;
2636 thread_info->active_hooks = reply->active_hooks;
2637 }
2638 else buffer_size = reply->total;
2639 }
2640 SERVER_END_REQ;
2641
2642 if (res)
2643 {
2644 HeapFree( GetProcessHeap(), 0, buffer );
2645 if (res != STATUS_BUFFER_OVERFLOW) return FALSE;
2646 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
2647 continue;
2648 }
2649
2650 TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
2651 info.type, info.msg.message,
2652 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2653 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
2654
2655 switch(info.type)
2656 {
2657 case MSG_ASCII:
2658 case MSG_UNICODE:
2659 info.flags = ISMEX_SEND;
2660 break;
2661 case MSG_NOTIFY:
2662 info.flags = ISMEX_NOTIFY;
2663 break;
2664 case MSG_CALLBACK:
2665 info.flags = ISMEX_CALLBACK;
2666 break;
2667 case MSG_CALLBACK_RESULT:
2668 if (size >= sizeof(msg_data->callback))
2669 call_sendmsg_callback( wine_server_get_ptr(msg_data->callback.callback),
2670 info.msg.hwnd, info.msg.message,
2671 msg_data->callback.data, msg_data->callback.result );
2672 continue;
2673 case MSG_WINEVENT:
2674 if (size >= sizeof(msg_data->winevent))
2675 {
2676 WINEVENTPROC hook_proc;
2677
2678 hook_proc = wine_server_get_ptr( msg_data->winevent.hook_proc );
2679 size -= sizeof(msg_data->winevent);
2680 if (size)
2681 {
2682 WCHAR module[MAX_PATH];
2683
2684 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
2685 memcpy( module, &msg_data->winevent + 1, size );
2686 module[size / sizeof(WCHAR)] = 0;
2687 if (!(hook_proc = get_hook_proc( hook_proc, module )))
2688 {
2689 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2690 continue;
2691 }
2692 }
2693
2694 if (TRACE_ON(relay))
2695 DPRINTF( "%04x:Call winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2696 GetCurrentThreadId(), hook_proc,
2697 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2698 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2699
2700 hook_proc( wine_server_ptr_handle( msg_data->winevent.hook ), info.msg.message,
2701 info.msg.hwnd, info.msg.wParam, info.msg.lParam,
2702 msg_data->winevent.tid, info.msg.time );
2703
2704 if (TRACE_ON(relay))
2705 DPRINTF( "%04x:Ret winevent proc %p (hook=%04x,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2706 GetCurrentThreadId(), hook_proc,
2707 msg_data->winevent.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2708 info.msg.lParam, msg_data->winevent.tid, info.msg.time);
2709 }
2710 continue;
2711 case MSG_OTHER_PROCESS:
2712 info.flags = ISMEX_SEND;
2713 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2714 &info.msg.lParam, &buffer, size ))
2715 {
2716 /* ignore it */
2717 reply_message( &info, 0, TRUE );
2718 continue;
2719 }
2720 break;
2721 case MSG_HARDWARE:
2722 if (size >= sizeof(msg_data->hardware))
2723 {
2724 info.msg.pt.x = msg_data->hardware.x;
2725 info.msg.pt.y = msg_data->hardware.y;
2726 hw_id = msg_data->hardware.hw_id;
2727 if (!process_hardware_message( &info.msg, hw_id, msg_data->hardware.info,
2728 hwnd, first, last, flags & PM_REMOVE ))
2729 {
2730 TRACE("dropping msg %x\n", info.msg.message );
2731 continue; /* ignore it */
2732 }
2733 *msg = info.msg;
2734 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2735 thread_info->GetMessageTimeVal = info.msg.time;
2736 thread_info->GetMessageExtraInfoVal = msg_data->hardware.info;
2737 HeapFree( GetProcessHeap(), 0, buffer );
2738 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2739 return TRUE;
2740 }
2741 continue;
2742 case MSG_POSTED:
2743 if (info.msg.message & 0x80000000) /* internal message */
2744 {
2745 if (flags & PM_REMOVE)
2746 {
2747 handle_internal_message( info.msg.hwnd, info.msg.message,
2748 info.msg.wParam, info.msg.lParam );
2749 /* if this is a nested call return right away */
2750 if (first == info.msg.message && last == info.msg.message) return FALSE;
2751 }
2752 else
2753 peek_message( msg, info.msg.hwnd, info.msg.message,
2754 info.msg.message, flags | PM_REMOVE, changed_mask );
2755 continue;
2756 }
2757 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2758 {
2759 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2760 &info.msg.lParam, &buffer, size ))
2761 continue; /* ignore it */
2762 }
2763 *msg = info.msg;
2764 msg->pt.x = (short)LOWORD( thread_info->GetMessagePosVal );
2765 msg->pt.y = (short)HIWORD( thread_info->GetMessagePosVal );
2766 thread_info->GetMessageTimeVal = info.msg.time;
2767 thread_info->GetMessageExtraInfoVal = 0;
2768 HeapFree( GetProcessHeap(), 0, buffer );
2769 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
2770 return TRUE;
2771 }
2772
2773 /* if we get here, we have a sent message; call the window procedure */
2774 old_info = thread_info->receive_info;
2775 thread_info->receive_info = &info;
2776 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2777 info.msg.lParam, (info.type != MSG_ASCII), FALSE,
2778 WMCHAR_MAP_RECVMESSAGE );
2779 reply_message( &info, result, TRUE );
2780 thread_info->receive_info = old_info;
2781
2782 /* if some PM_QS* flags were specified, only handle sent messages from now on */
2783 if (HIWORD(flags) && !changed_mask) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
2784 }
2785 }
2786
2787
2788 /***********************************************************************
2789 * process_sent_messages
2790 *
2791 * Process all pending sent messages.
2792 */
2793 static inline void process_sent_messages(void)
2794 {
2795 MSG msg;
2796 peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE, 0 );
2797 }
2798
2799
2800 /***********************************************************************
2801 * get_server_queue_handle
2802 *
2803 * Get a handle to the server message queue for the current thread.
2804 */
2805 static HANDLE get_server_queue_handle(void)
2806 {
2807 struct user_thread_info *thread_info = get_user_thread_info();
2808 HANDLE ret;
2809
2810 if (!(ret = thread_info->server_queue))
2811 {
2812 SERVER_START_REQ( get_msg_queue )
2813 {
2814 wine_server_call( req );
2815 ret = wine_server_ptr_handle( reply->handle );
2816 }
2817 SERVER_END_REQ;
2818 thread_info->server_queue = ret;
2819 if (!ret) ERR( "Cannot get server thread queue\n" );
2820 }
2821 return ret;
2822 }
2823
2824
2825 /***********************************************************************
2826 * wait_message_reply
2827 *
2828 * Wait until a sent message gets replied to.
2829 */
2830 static void wait_message_reply( UINT flags )
2831 {
2832 HANDLE server_queue = get_server_queue_handle();
2833
2834 for (;;)
2835 {
2836 unsigned int wake_bits = 0;
2837
2838 SERVER_START_REQ( set_queue_mask )
2839 {
2840 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2841 req->changed_mask = req->wake_mask;
2842 req->skip_wait = 1;
2843 if (!wine_server_call( req ))
2844 wake_bits = reply->wake_bits;
2845 }
2846 SERVER_END_REQ;
2847
2848 if (wake_bits & QS_SMRESULT) return; /* got a result */
2849 if (wake_bits & QS_SENDMESSAGE)
2850 {
2851 /* Process the sent message immediately */
2852 process_sent_messages();
2853 continue;
2854 }
2855
2856 wow_handlers.wait_message( 1, &server_queue, INFINITE, QS_SENDMESSAGE, 0 );
2857 }
2858 }
2859
2860 /***********************************************************************
2861 * put_message_in_queue
2862 *
2863 * Put a sent message into the destination queue.
2864 * For inter-process message, reply_size is set to expected size of reply data.
2865 */
2866 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
2867 {
2868 struct packed_message data;
2869 message_data_t msg_data;
2870 unsigned int res;
2871 int i;
2872 timeout_t timeout = TIMEOUT_INFINITE;
2873
2874 /* Check for INFINITE timeout for compatibility with Win9x,
2875 * although Windows >= NT does not do so
2876 */
2877 if (info->type != MSG_NOTIFY &&
2878 info->type != MSG_CALLBACK &&
2879 info->type != MSG_POSTED &&
2880 info->timeout &&
2881 info->timeout != INFINITE)
2882 {
2883 /* timeout is signed despite the prototype */
2884 timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
2885 }
2886
2887 memset( &data, 0, sizeof(data) );
2888 if (info->type == MSG_OTHER_PROCESS)
2889 {
2890 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2891 if (data.count == -1)
2892 {
2893 WARN( "cannot pack message %x\n", info->msg );
2894 return FALSE;
2895 }
2896 }
2897 else if (info->type == MSG_CALLBACK)
2898 {
2899 msg_data.callback.callback = wine_server_client_ptr( info->callback );
2900 msg_data.callback.data = info->data;
2901 msg_data.callback.result = 0;
2902 data.data[0] = &msg_data;
2903 data.size[0] = sizeof(msg_data.callback);
2904 data.count = 1;
2905 }
2906 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2907 {
2908 return post_dde_message( &data, info );
2909 }
2910
2911 SERVER_START_REQ( send_message )
2912 {
2913 req->id = info->dest_tid;
2914 req->type = info->type;
2915 req->flags = 0;
2916 req->win = wine_server_user_handle( info->hwnd );
2917 req->msg = info->msg;
2918 req->wparam = info->wparam;
2919 req->lparam = info->lparam;
2920 req->timeout = timeout;
2921
2922 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2923 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2924 if ((res = wine_server_call( req )))
2925 {
2926 if (res == STATUS_INVALID_PARAMETER)
2927 /* FIXME: find a STATUS_ value for this one */
2928 SetLastError( ERROR_INVALID_THREAD_ID );
2929 else
2930 SetLastError( RtlNtStatusToDosError(res) );
2931 }
2932 }
2933 SERVER_END_REQ;
2934 return !res;
2935 }
2936
2937
2938 /***********************************************************************
2939 * retrieve_reply
2940 *
2941 * Retrieve a message reply from the server.
2942 */
2943 static LRESULT retrieve_reply( const struct send_message_info *info,
2944 size_t reply_size, LRESULT *result )
2945 {
2946 NTSTATUS status;
2947 void *reply_data = NULL;
2948
2949 if (reply_size)
2950 {
2951 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2952 {
2953 WARN( "no memory for reply, will be truncated\n" );
2954 reply_size = 0;
2955 }
2956 }
2957 SERVER_START_REQ( get_message_reply )
2958 {
2959 req->cancel = 1;
2960 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2961 if (!(status = wine_server_call( req ))) *result = reply->result;
2962 reply_size = wine_server_reply_size( reply );
2963 }
2964 SERVER_END_REQ;
2965 if (!status && reply_size)
2966 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2967
2968 HeapFree( GetProcessHeap(), 0, reply_data );
2969
2970 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
2971 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
2972 info->lparam, *result, status );
2973
2974 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2975 if (status) SetLastError( RtlNtStatusToDosError(status) );
2976 return !status;
2977 }
2978
2979
2980 /***********************************************************************
2981 * send_inter_thread_message
2982 */
2983 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
2984 {
2985 size_t reply_size = 0;
2986
2987 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
2988 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
2989
2990 USER_CheckNotLock();
2991
2992 if (!put_message_in_queue( info, &reply_size )) return 0;
2993
2994 /* there's no reply to wait for on notify/callback messages */
2995 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2996
2997 wait_message_reply( info->flags );
2998 return retrieve_reply( info, reply_size, res_ptr );
2999 }
3000
3001
3002 /***********************************************************************
3003 * send_inter_thread_callback
3004 */
3005 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
3006 LRESULT *result, void *arg )
3007 {
3008 struct send_message_info *info = arg;
3009 info->hwnd = hwnd;
3010 info->msg = msg;
3011 info->wparam = wp;
3012 info->lparam = lp;
3013 return send_inter_thread_message( info, result );
3014 }
3015
3016
3017 /***********************************************************************
3018 * send_message
3019 *
3020 * Backend implementation of the various SendMessage functions.
3021 */
3022 static BOOL send_message( struct send_message_info *info, DWORD_PTR *res_ptr, BOOL unicode )
3023 {
3024 DWORD dest_pid;
3025 BOOL ret;
3026 LRESULT result;
3027
3028 if (is_broadcast(info->hwnd))
3029 {
3030 EnumWindows( broadcast_message_callback, (LPARAM)info );
3031 if (res_ptr) *res_ptr = 1;
3032 return TRUE;
3033 }
3034
3035 if (!(info->dest_tid = GetWindowThreadProcessId( info->hwnd, &dest_pid ))) return FALSE;
3036
3037 if (USER_IsExitingThread( info->dest_tid )) return FALSE;
3038
3039 SPY_EnterMessage( SPY_SENDMESSAGE, info->hwnd, info->msg, info->wparam, info->lparam );
3040
3041 if (info->dest_tid == GetCurrentThreadId())
3042 {
3043 result = call_window_proc( info->hwnd, info->msg, info->wparam, info->lparam,
3044 unicode, TRUE, info->wm_char );
3045 if (info->type == MSG_CALLBACK)
3046 call_sendmsg_callback( info->callback, info->hwnd, info->msg, info->data, result );
3047 ret = TRUE;
3048 }
3049 else
3050 {
3051 if (dest_pid != GetCurrentProcessId() && (info->type == MSG_ASCII || info->type == MSG_UNICODE))
3052 info->type = MSG_OTHER_PROCESS;
3053
3054 /* MSG_ASCII can be sent unconverted except for WM_CHAR; everything else needs to be Unicode */
3055 if (!unicode && is_unicode_message( info->msg ) &&
3056 (info->type != MSG_ASCII || info->msg == WM_CHAR))
3057 ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info->hwnd, info->msg,
3058 info->wparam, info->lparam, &result, info, info->wm_char );
3059 else
3060 ret = send_inter_thread_message( info, &result );
3061 }
3062
3063 SPY_ExitMessage( SPY_RESULT_OK, info->hwnd, info->msg, result, info->wparam, info->lparam );
3064 if (ret && res_ptr) *res_ptr = result;
3065 return ret;
3066 }
3067
3068
3069 /***********************************************************************
3070 * MSG_SendInternalMessageTimeout
3071 *
3072 * Same as SendMessageTimeoutW but sends the message to a specific thread
3073 * without requiring a window handle. Only works for internal Wine messages.
3074 */
3075 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
3076 UINT msg, WPARAM wparam, LPARAM lparam,
3077 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3078 {
3079 struct send_message_info info;
3080 LRESULT ret, result;
3081
3082 assert( msg & 0x80000000 ); /* must be an internal Wine message */
3083
3084 info.type = MSG_UNICODE;
3085 info.dest_tid = dest_tid;
3086 info.hwnd = 0;
3087 info.msg = msg;
3088 info.wparam = wparam;
3089 info.lparam = lparam;
3090 info.flags = flags;
3091 info.timeout = timeout;
3092
3093 if (USER_IsExitingThread( dest_tid )) return 0;
3094
3095 if (dest_tid == GetCurrentThreadId())
3096 {
3097 result = handle_internal_message( 0, msg, wparam, lparam );
3098 ret = 1;
3099 }
3100 else
3101 {
3102 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
3103 ret = send_inter_thread_message( &info, &result );
3104 }
3105 if (ret && res_ptr) *res_ptr = result;
3106 return ret;
3107 }
3108
3109
3110 /***********************************************************************
3111 * SendMessageTimeoutW (USER32.@)
3112 */
3113 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3114 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3115 {
3116 struct send_message_info info;
3117
3118 info.type = MSG_UNICODE;
3119 info.hwnd = hwnd;
3120 info.msg = msg;
3121 info.wparam = wparam;
3122 info.lparam = lparam;
3123 info.flags = flags;
3124 info.timeout = timeout;
3125
3126 return send_message( &info, res_ptr, TRUE );
3127 }
3128
3129 /***********************************************************************
3130 * SendMessageTimeoutA (USER32.@)
3131 */
3132 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3133 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
3134 {
3135 struct send_message_info info;
3136
3137 info.type = MSG_ASCII;
3138 info.hwnd = hwnd;
3139 info.msg = msg;
3140 info.wparam = wparam;
3141 info.lparam = lparam;
3142 info.flags = flags;
3143 info.timeout = timeout;
3144 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3145
3146 return send_message( &info, res_ptr, FALSE );
3147 }
3148
3149
3150 /***********************************************************************
3151 * SendMessageW (USER32.@)
3152 */
3153 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3154 {
3155 DWORD_PTR res = 0;
3156 struct send_message_info info;
3157
3158 info.type = MSG_UNICODE;
3159 info.hwnd = hwnd;
3160 info.msg = msg;
3161 info.wparam = wparam;
3162 info.lparam = lparam;
3163 info.flags = SMTO_NORMAL;
3164 info.timeout = 0;
3165
3166 send_message( &info, &res, TRUE );
3167 return res;
3168 }
3169
3170
3171 /***********************************************************************
3172 * SendMessageA (USER32.@)
3173 */
3174 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3175 {
3176 DWORD_PTR res = 0;
3177 struct send_message_info info;
3178
3179 info.type = MSG_ASCII;
3180 info.hwnd = hwnd;
3181 info.msg = msg;
3182 info.wparam = wparam;
3183 info.lparam = lparam;
3184 info.flags = SMTO_NORMAL;
3185 info.timeout = 0;
3186 info.wm_char = WMCHAR_MAP_SENDMESSAGE;
3187
3188 send_message( &info, &res, FALSE );
3189 return res;
3190 }
3191
3192
3193 /***********************************************************************
3194 * SendNotifyMessageA (USER32.@)
3195 */
3196 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3197 {
3198 struct send_message_info info;
3199
3200 if (is_pointer_message(msg))
3201 {
3202 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3203 return FALSE;
3204 }
3205
3206 info.type = MSG_NOTIFY;
3207 info.hwnd = hwnd;
3208 info.msg = msg;
3209 info.wparam = wparam;
3210 info.lparam = lparam;
3211 info.flags = 0;
3212 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3213
3214 return send_message( &info, NULL, FALSE );
3215 }
3216
3217
3218 /***********************************************************************
3219 * SendNotifyMessageW (USER32.@)
3220 */
3221 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3222 {
3223 struct send_message_info info;
3224
3225 if (is_pointer_message(msg))
3226 {
3227 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3228 return FALSE;
3229 }
3230
3231 info.type = MSG_NOTIFY;
3232 info.hwnd = hwnd;
3233 info.msg = msg;
3234 info.wparam = wparam;
3235 info.lparam = lparam;
3236 info.flags = 0;
3237
3238 return send_message( &info, NULL, TRUE );
3239 }
3240
3241
3242 /***********************************************************************
3243 * SendMessageCallbackA (USER32.@)
3244 */
3245 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3246 SENDASYNCPROC callback, ULONG_PTR data )
3247 {
3248 struct send_message_info info;
3249
3250 if (is_pointer_message(msg))
3251 {
3252 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3253 return FALSE;
3254 }
3255
3256 info.type = MSG_CALLBACK;
3257 info.hwnd = hwnd;
3258 info.msg = msg;
3259 info.wparam = wparam;
3260 info.lparam = lparam;
3261 info.callback = callback;
3262 info.data = data;
3263 info.flags = 0;
3264 info.wm_char = WMCHAR_MAP_SENDMESSAGETIMEOUT;
3265
3266 return send_message( &info, NULL, FALSE );
3267 }
3268
3269
3270 /***********************************************************************
3271 * SendMessageCallbackW (USER32.@)
3272 */
3273 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
3274 SENDASYNCPROC callback, ULONG_PTR data )
3275 {
3276 struct send_message_info info;
3277
3278 if (is_pointer_message(msg))
3279 {
3280 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3281 return FALSE;
3282 }
3283
3284 info.type = MSG_CALLBACK;
3285 info.hwnd = hwnd;
3286 info.msg = msg;
3287 info.wparam = wparam;
3288 info.lparam = lparam;
3289 info.callback = callback;
3290 info.data = data;
3291 info.flags = 0;
3292
3293 return send_message( &info, NULL, TRUE );
3294 }
3295
3296
3297 /***********************************************************************
3298 * ReplyMessage (USER32.@)
3299 */
3300 BOOL WINAPI ReplyMessage( LRESULT result )
3301 {
3302 struct received_message_info *info = get_user_thread_info()->receive_info;
3303
3304 if (!info) return FALSE;
3305 reply_message( info, result, FALSE );
3306 return TRUE;
3307 }
3308
3309
3310 /***********************************************************************
3311 * InSendMessage (USER32.@)
3312 */
3313 BOOL WINAPI InSendMessage(void)
3314 {
3315 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
3316 }
3317
3318
3319 /***********************************************************************
3320 * InSendMessageEx (USER32.@)
3321 */
3322 DWORD WINAPI InSendMessageEx( LPVOID reserved )
3323 {
3324 struct received_message_info *info = get_user_thread_info()->receive_info;
3325
3326 if (info) return info->flags;
3327 return ISMEX_NOSEND;
3328 }
3329
3330
3331 /***********************************************************************
3332 * PostMessageA (USER32.@)
3333 */
3334 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3335 {
3336 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3337 return PostMessageW( hwnd, msg, wparam, lparam );
3338 }
3339
3340
3341 /***********************************************************************
3342 * PostMessageW (USER32.@)
3343 */
3344 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
3345 {
3346 struct send_message_info info;
3347
3348 if (is_pointer_message( msg ))
3349 {
3350 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3351 return FALSE;
3352 }
3353
3354 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
3355 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
3356
3357 info.type = MSG_POSTED;
3358 info.hwnd = hwnd;
3359 info.msg = msg;
3360 info.wparam = wparam;
3361 info.lparam = lparam;
3362 info.flags = 0;
3363
3364 if (is_broadcast(hwnd))
3365 {
3366 EnumWindows( broadcast_message_callback, (LPARAM)&info );
3367 return TRUE;
3368 }
3369
3370 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
3371
3372 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
3373
3374 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
3375
3376 return put_message_in_queue( &info, NULL );
3377 }
3378
3379
3380 /**********************************************************************
3381 * PostThreadMessageA (USER32.@)
3382 */
3383 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3384 {
3385 if (!map_wparam_AtoW( msg, &wparam, WMCHAR_MAP_POSTMESSAGE )) return TRUE;
3386 return PostThreadMessageW( thread, msg, wparam, lparam );
3387 }
3388
3389
3390 /**********************************************************************
3391 * PostThreadMessageW (USER32.@)
3392 */
3393 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
3394 {
3395 struct send_message_info info;
3396
3397 if (is_pointer_message( msg ))
3398 {
3399 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3400 return FALSE;
3401 }
3402 if (USER_IsExitingThread( thread )) return TRUE;
3403
3404 info.type = MSG_POSTED;
3405 info.dest_tid = thread;
3406 info.hwnd = 0;
3407 info.msg = msg;
3408 info.wparam = wparam;
3409 info.lparam = lparam;
3410 info.flags = 0;
3411 return put_message_in_queue( &info, NULL );
3412 }
3413
3414
3415 /***********************************************************************
3416 * PostQuitMessage (USER32.@)
3417 *
3418 * Posts a quit message to the current thread's message queue.
3419 *
3420 * PARAMS
3421 * exit_code [I] Exit code to return from message loop.
3422 *
3423 * RETURNS
3424 * Nothing.
3425 *
3426 * NOTES
3427 * This function is not the same as calling:
3428 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
3429 * It instead sets a flag in the message queue that signals it to generate
3430 * a WM_QUIT message when there are no other pending sent or posted messages
3431 * in the queue.
3432 */
3433 void WINAPI PostQuitMessage( INT exit_code )
3434 {
3435 SERVER_START_REQ( post_quit_message )
3436 {
3437 req->exit_code = exit_code;
3438 wine_server_call( req );
3439 }
3440 SERVER_END_REQ;
3441 }
3442
3443
3444 /***********************************************************************
3445 * PeekMessageW (USER32.@)
3446 */
3447 BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
3448 {
3449 MSG msg;
3450
3451 USER_CheckNotLock();
3452
3453 /* check for graphics events */
3454 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
3455
3456 if (!peek_message( &msg, hwnd, first, last, flags, 0 ))
3457 {
3458 if (!(flags & PM_NOYIELD)) wow_handlers.wait_message( 0, NULL, 0, 0, 0 );
3459 return FALSE;
3460 }
3461
3462 /* copy back our internal safe copy of message data to msg_out.
3463 * msg_out is a variable from the *program*, so it can't be used
3464 * internally as it can get "corrupted" by our use of SendMessage()
3465 * (back to the program) inside the message handling itself. */
3466 if (!msg_out)
3467 {
3468 SetLastError( ERROR_NOACCESS );
3469 return FALSE;
3470 }
3471 *msg_out = msg;
3472 return TRUE;
3473 }
3474
3475
3476 /***********************************************************************
3477 * PeekMessageA (USER32.@)
3478 */
3479 BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
3480 {
3481 if (get_pending_wmchar( msg, first, last, (flags & PM_REMOVE) )) return TRUE;
3482 if (!PeekMessageW( msg, hwnd, first, last, flags )) return FALSE;
3483 map_wparam_WtoA( msg, (flags & PM_REMOVE) );
3484 return TRUE;
3485 }
3486
3487
3488 /***********************************************************************
3489 * GetMessageW (USER32.@)
3490 */
3491 BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
3492 {
3493 HANDLE server_queue = get_server_queue_handle();
3494 unsigned int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
3495
3496 USER_CheckNotLock();
3497
3498 /* check for graphics events */
3499 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
3500
3501 if (first || last)
3502 {
3503 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
3504 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
3505 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
3506 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
3507 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
3508 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
3509 }
3510 else mask = QS_ALLINPUT;
3511
3512 while (!peek_message( msg, hwnd, first, last, PM_REMOVE | (mask << 16), mask ))
3513 {
3514 wow_handlers.wait_message( 1, &server_queue, INFINITE, mask, 0 );
3515 }
3516
3517 return (msg->message != WM_QUIT);
3518 }
3519
3520
3521 /***********************************************************************
3522 * GetMessageA (USER32.@)
3523 */
3524 BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
3525 {
3526 if (get_pending_wmchar( msg, first, last, TRUE )) return TRUE;
3527 GetMessageW( msg, hwnd, first, last );
3528 map_wparam_WtoA( msg, TRUE );
3529 return (msg->message != WM_QUIT);
3530 }
3531
3532
3533 /***********************************************************************
3534 * IsDialogMessageA (USER32.@)
3535 * IsDialogMessage (USER32.@)
3536 */
3537 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
3538 {
3539 MSG msg = *pmsg;
3540 map_wparam_AtoW( msg.message, &msg.wParam, WMCHAR_MAP_NOMAPPING );
3541 return IsDialogMessageW( hwndDlg, &msg );
3542 }
3543
3544
3545 /***********************************************************************
3546 * TranslateMessage (USER32.@)
3547 *
3548 * Implementation of TranslateMessage.
3549 *
3550 * TranslateMessage translates virtual-key messages into character-messages,
3551 * as follows :
3552 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
3553 * ditto replacing WM_* with WM_SYS*
3554 * This produces WM_CHAR messages only for keys mapped to ASCII characters
3555 * by the keyboard driver.
3556 *
3557 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
3558 * return value is nonzero, regardless of the translation.
3559 *
3560 */
3561 BOOL WINAPI TranslateMessage( const MSG *msg )
3562 {
3563 UINT message;
3564 WCHAR wp[2];
3565 BYTE state[256];
3566
3567 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
3568 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
3569
3570 TRACE_(key)("Translating key %s (%04lX), scancode %04x\n",
3571 SPY_GetVKeyName(msg->wParam), msg->wParam, HIWORD(msg->lParam));
3572
3573 switch (msg->wParam)
3574 {
3575 case VK_PACKET:
3576 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3577 TRACE_(key)("PostMessageW(%p,%s,%04x,%08x)\n",
3578 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), HIWORD(msg->lParam), LOWORD(msg->lParam));
3579 PostMessageW( msg->hwnd, message, HIWORD(msg->lParam), LOWORD(msg->lParam));
3580 return TRUE;
3581
3582 case VK_PROCESSKEY:
3583 return ImmTranslateMessage(msg->hwnd, msg->message, msg->wParam, msg->lParam);
3584 }
3585
3586 GetKeyboardState( state );
3587 /* FIXME : should handle ToUnicode yielding 2 */
3588 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
3589 {
3590 case 1:
3591 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
3592 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3593 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
3594 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
3595 break;
3596
3597 case -1:
3598 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
3599 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
3600 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
3601 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
3602 break;
3603 }
3604 return TRUE;
3605 }
3606
3607
3608 /***********************************************************************
3609 * DispatchMessageA (USER32.@)
3610 *
3611 * See DispatchMessageW.
3612 */
3613 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageA( const MSG* msg )
3614 {
3615 LRESULT retval;
3616
3617 /* Process timer messages */
3618 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3619 {
3620 if (msg->lParam)
3621 {
3622 __TRY
3623 {
3624 retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
3625 msg->message, msg->wParam, GetTickCount() );
3626 }
3627 __EXCEPT_PAGE_FAULT
3628 {
3629 retval = 0;
3630 }
3631 __ENDTRY
3632 return retval;
3633 }
3634 }
3635 if (!msg->hwnd) return 0;
3636
3637 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3638 msg->wParam, msg->lParam );
3639
3640 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3641 &retval, FALSE, WMCHAR_MAP_DISPATCHMESSAGE ))
3642 {
3643 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3644 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3645 retval = 0;
3646 }
3647
3648 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3649 msg->wParam, msg->lParam );
3650
3651 if (msg->message == WM_PAINT)
3652 {
3653 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3654 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3655 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3656 DeleteObject( hrgn );
3657 }
3658 return retval;
3659 }
3660
3661
3662 /***********************************************************************
3663 * DispatchMessageW (USER32.@) Process a message
3664 *
3665 * Process the message specified in the structure *_msg_.
3666 *
3667 * If the lpMsg parameter points to a WM_TIMER message and the
3668 * parameter of the WM_TIMER message is not NULL, the lParam parameter
3669 * points to the function that is called instead of the window
3670 * procedure. The function stored in lParam (timer callback) is protected
3671 * from causing page-faults.
3672 *
3673 * The message must be valid.
3674 *
3675 * RETURNS
3676 *
3677 * DispatchMessage() returns the result of the window procedure invoked.
3678 *
3679 * CONFORMANCE
3680 *
3681 * ECMA-234, Win32
3682 *
3683 */
3684 LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageW( const MSG* msg )
3685 {
3686 LRESULT retval;
3687
3688 /* Process timer messages */
3689 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3690 {
3691 if (msg->lParam)
3692 {
3693 __TRY
3694 {
3695 retval = CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
3696 msg->message, msg->wParam, GetTickCount() );
3697 }
3698 __EXCEPT_PAGE_FAULT
3699 {
3700 retval = 0;
3701 }
3702 __ENDTRY
3703 return retval;
3704 }
3705 }
3706 if (!msg->hwnd) return 0;
3707
3708 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3709 msg->wParam, msg->lParam );
3710
3711 if (!WINPROC_call_window( msg->hwnd, msg->message, msg->wParam, msg->lParam,
3712 &retval, TRUE, WMCHAR_MAP_DISPATCHMESSAGE ))
3713 {
3714 if (!IsWindow( msg->hwnd )) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3715 else SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3716 retval = 0;
3717 }
3718
3719 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3720 msg->wParam, msg->lParam );
3721
3722 if (msg->message == WM_PAINT)
3723 {
3724 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3725 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3726 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3727 DeleteObject( hrgn );
3728 }
3729 return retval;
3730 }
3731
3732
3733 /***********************************************************************
3734 * GetMessagePos (USER.119)
3735 * GetMessagePos (USER32.@)
3736 *
3737 * The GetMessagePos() function returns a long value representing a
3738 * cursor position, in screen coordinates, when the last message
3739 * retrieved by the GetMessage() function occurs. The x-coordinate is
3740 * in the low-order word of the return value, the y-coordinate is in
3741 * the high-order word. The application can use the MAKEPOINT()
3742 * macro to obtain a POINT structure from the return value.
3743 *
3744 * For the current cursor position, use GetCursorPos().
3745 *
3746 * RETURNS
3747 *
3748 * Cursor position of last message on success, zero on failure.
3749 *
3750 * CONFORMANCE
3751 *
3752 * ECMA-234, Win32
3753 *
3754 */
3755 DWORD WINAPI GetMessagePos(void)
3756 {
3757 return get_user_thread_info()->GetMessagePosVal;
3758 }
3759
3760
3761 /***********************************************************************
3762 * GetMessageTime (USER.120)
3763 * GetMessageTime (USER32.@)
3764 *
3765 * GetMessageTime() returns the message time for the last message
3766 * retrieved by the function. The time is measured in milliseconds with
3767 * the same offset as GetTickCount().
3768 *
3769 * Since the tick count wraps, this is only useful for moderately short
3770 * relative time comparisons.
3771 *
3772 * RETURNS
3773 *
3774 * Time of last message on success, zero on failure.
3775 */
3776 LONG WINAPI GetMessageTime(void)
3777 {
3778 return get_user_thread_info()->GetMessageTimeVal;
3779 }
3780
3781
3782 /***********************************************************************
3783 * GetMessageExtraInfo (USER.288)
3784 * GetMessageExtraInfo (USER32.@)
3785 */
3786 LPARAM WINAPI GetMessageExtraInfo(void)
3787 {
3788 return get_user_thread_info()->GetMessageExtraInfoVal;
3789 }
3790
3791
3792 /***********************************************************************
3793 * SetMessageExtraInfo (USER32.@)
3794 */
3795 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3796 {
3797 struct user_thread_info *thread_info = get_user_thread_info();
3798 LONG old_value = thread_info->GetMessageExtraInfoVal;
3799 thread_info->GetMessageExtraInfoVal = lParam;
3800 return old_value;
3801 }
3802
3803
3804 /***********************************************************************
3805 * WaitMessage (USER.112) Suspend thread pending messages
3806 * WaitMessage (USER32.@) Suspend thread pending messages
3807 *
3808 * WaitMessage() suspends a thread until events appear in the thread's
3809 * queue.
3810 */
3811 BOOL WINAPI WaitMessage(void)
3812 {
3813 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3814 }
3815
3816
3817 /***********************************************************************
3818 * MsgWaitForMultipleObjectsEx (USER32.@)
3819 */
3820 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3821 DWORD timeout, DWORD mask, DWORD flags )
3822 {
3823 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3824 DWORD i;
3825
3826 if (count > MAXIMUM_WAIT_OBJECTS-1)
3827 {
3828 SetLastError( ERROR_INVALID_PARAMETER );
3829 return WAIT_FAILED;
3830 }
3831
3832 /* set the queue mask */
3833 SERVER_START_REQ( set_queue_mask )
3834 {
3835 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3836 req->changed_mask = mask;
3837 req->skip_wait = 0;
3838 wine_server_call( req );
3839 }
3840 SERVER_END_REQ;
3841
3842 /* add the queue to the handle list */
3843 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3844 handles[count] = get_server_queue_handle();
3845
3846 return wow_handlers.wait_message( count+1, handles, timeout, mask, flags );
3847 }
3848
3849
3850 /***********************************************************************
3851 * MsgWaitForMultipleObjects (USER32.@)
3852 */
3853 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3854 BOOL wait_all, DWORD timeout, DWORD mask )
3855 {
3856 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3857 wait_all ? MWMO_WAITALL : 0 );
3858 }
3859
3860
3861 /***********************************************************************
3862 * WaitForInputIdle (USER32.@)
3863 */
3864 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3865 {
3866 DWORD start_time, elapsed, ret;
3867 HANDLE handles[2];
3868
3869 handles[0] = hProcess;
3870 SERVER_START_REQ( get_process_idle_event )
3871 {
3872 req->handle = wine_server_obj_handle( hProcess );
3873 wine_server_call_err( req );
3874 handles[1] = wine_server_ptr_handle( reply->event );
3875 }
3876 SERVER_END_REQ;
3877 if (!handles[1]) return WAIT_FAILED; /* no event to wait on */
3878
3879 start_time = GetTickCount();
3880 elapsed = 0;
3881
3882 TRACE("waiting for %p\n", handles[1] );
3883 do
3884 {
3885 ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3886 switch (ret)
3887 {
3888 case WAIT_OBJECT_0:
3889 return 0;
3890 case WAIT_OBJECT_0+2:
3891 process_sent_messages();
3892 break;
3893 case WAIT_TIMEOUT:
3894 case WAIT_FAILED:
3895 TRACE("timeout or error\n");
3896 return ret;
3897 default:
3898 TRACE("finished\n");
3899 return 0;
3900 }
3901 if (dwTimeOut != INFINITE)
3902 {
3903 elapsed = GetTickCount() - start_time;
3904 if (elapsed > dwTimeOut)
3905 break;
3906 }
3907 }
3908 while (1);
3909
3910 return WAIT_TIMEOUT;
3911 }
3912
3913
3914 /***********************************************************************
3915 * RegisterWindowMessageA (USER32.@)
3916 * RegisterWindowMessage (USER.118)
3917 */
3918 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
3919 {
3920 UINT ret = GlobalAddAtomA(str);
3921 TRACE("%s, ret=%x\n", str, ret);
3922 return ret;
3923 }
3924
3925
3926 /***********************************************************************
3927 * RegisterWindowMessageW (USER32.@)
3928 */
3929 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
3930 {
3931 UINT ret = GlobalAddAtomW(str);
3932 TRACE("%s ret=%x\n", debugstr_w(str), ret);
3933 return ret;
3934 }
3935
3936 typedef struct BroadcastParm
3937 {
3938 DWORD flags;
3939 LPDWORD recipients;
3940 UINT msg;
3941 WPARAM wp;
3942 LPARAM lp;
3943 DWORD success;
3944 HWINSTA winsta;
3945 } BroadcastParm;
3946
3947 static BOOL CALLBACK bcast_childwindow( HWND hw, LPARAM lp )
3948 {
3949 BroadcastParm *parm = (BroadcastParm*)lp;
3950 DWORD_PTR retval = 0;
3951 LRESULT lresult;
3952
3953 if (parm->flags & BSF_IGNORECURRENTTASK && WIN_IsCurrentProcess(hw))
3954 {
3955 TRACE("Not telling myself %p\n", hw);
3956 return TRUE;
3957 }
3958
3959 /* I don't know 100% for sure if this is what Windows does, but it fits the tests */
3960 if (parm->flags & BSF_QUERY)
3961 {
3962 TRACE("Telling window %p using SendMessageTimeout\n", hw);
3963
3964 /* Not tested for conflicting flags */
3965 if (parm->flags & BSF_FORCEIFHUNG || parm->flags & BSF_NOHANG)
3966 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_ABORTIFHUNG, 2000, &retval );
3967 else if (parm->flags & BSF_NOTIMEOUTIFNOTHUNG)
3968 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NOTIMEOUTIFNOTHUNG, 2000, &retval );
3969 else
3970 lresult = SendMessageTimeoutW( hw, parm->msg, parm->wp, parm->lp, SMTO_NORMAL, 2000, &retval );
3971
3972 if (!lresult && GetLastError() == ERROR_TIMEOUT)
3973 {
3974 WARN("Timed out!\n");
3975 if (!(parm->flags & BSF_FORCEIFHUNG))
3976 goto fail;
3977 }
3978 if (retval == BROADCAST_QUERY_DENY)
3979 goto fail;
3980
3981 return TRUE;
3982
3983 fail:
3984 parm->success = 0;
3985 return FALSE;
3986 }
3987 else if (parm->flags & BSF_POSTMESSAGE)
3988 {
3989 TRACE("Telling window %p using PostMessage\n", hw);
3990 PostMessageW( hw, parm->msg, parm->wp, parm->lp );
3991 }
3992 else
3993 {
3994 TRACE("Telling window %p using SendNotifyMessage\n", hw);
3995 SendNotifyMessageW( hw, parm->msg, parm->wp, parm->lp );
3996 }
3997
3998 return TRUE;
3999 }
4000
4001 static BOOL CALLBACK bcast_desktop( LPWSTR desktop, LPARAM lp )
4002 {
4003 BOOL ret;
4004 HDESK hdesktop;
4005 BroadcastParm *parm = (BroadcastParm*)lp;
4006
4007 TRACE("desktop: %s\n", debugstr_w( desktop ));
4008
4009 hdesktop = open_winstation_desktop( parm->winsta, desktop, 0, FALSE, DESKTOP_ENUMERATE|DESKTOP_WRITEOBJECTS|STANDARD_RIGHTS_WRITE );
4010 if (!hdesktop)
4011 {
4012 FIXME("Could not open desktop %s\n", debugstr_w(desktop));
4013 return TRUE;
4014 }
4015
4016 ret = EnumDesktopWindows( hdesktop, bcast_childwindow, lp );
4017 CloseDesktop(hdesktop);
4018 TRACE("-->%d\n", ret);
4019 return parm->success;
4020 }
4021
4022 static BOOL CALLBACK bcast_winsta( LPWSTR winsta, LPARAM lp )
4023 {
4024 BOOL ret;
4025 HWINSTA hwinsta = OpenWindowStationW( winsta, FALSE, WINSTA_ENUMDESKTOPS );
4026 TRACE("hwinsta: %p/%s/%08x\n", hwinsta, debugstr_w( winsta ), GetLastError());
4027 if (!hwinsta)
4028 return TRUE;
4029 ((BroadcastParm *)lp)->winsta = hwinsta;
4030 ret = EnumDesktopsW( hwinsta, bcast_desktop, lp );
4031 CloseWindowStation( hwinsta );
4032 TRACE("-->%d\n", ret);
4033 return ret;
4034 }
4035
4036 /***********************************************************************
4037 * BroadcastSystemMessageA (USER32.@)
4038 * BroadcastSystemMessage (USER32.@)
4039 */
4040 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4041 {
4042 return BroadcastSystemMessageExA( flags, recipients, msg, wp, lp, NULL );
4043 }
4044
4045
4046 /***********************************************************************
4047 * BroadcastSystemMessageW (USER32.@)
4048 */
4049 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
4050 {
4051 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4052 }
4053
4054 /***********************************************************************
4055 * BroadcastSystemMessageExA (USER32.@)
4056 */
4057 LONG WINAPI BroadcastSystemMessageExA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4058 {
4059 map_wparam_AtoW( msg, &wp, WMCHAR_MAP_NOMAPPING );
4060 return BroadcastSystemMessageExW( flags, recipients, msg, wp, lp, NULL );
4061 }
4062
4063
4064 /***********************************************************************
4065 * BroadcastSystemMessageExW (USER32.@)
4066 */
4067 LONG WINAPI BroadcastSystemMessageExW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp, PBSMINFO pinfo )
4068 {
4069 BroadcastParm parm;
4070 DWORD recips = BSM_ALLCOMPONENTS;
4071 BOOL ret = TRUE;
4072 static const DWORD all_flags = ( BSF_QUERY | BSF_IGNORECURRENTTASK | BSF_FLUSHDISK | BSF_NOHANG
4073 | BSF_POSTMESSAGE | BSF_FORCEIFHUNG | BSF_NOTIMEOUTIFNOTHUNG
4074 | BSF_ALLOWSFW | BSF_SENDNOTIFYMESSAGE | BSF_RETURNHDESK | BSF_LUID );
4075
4076 TRACE("Flags: %08x, recipients: %p(0x%x), msg: %04x, wparam: %08lx, lparam: %08lx\n", flags, recipients,
4077 (recipients ? *recipients : recips), msg, wp, lp);
4078
4079 if (flags & ~all_flags)
4080 {
4081 SetLastError(ERROR_INVALID_PARAMETER);
4082 return 0;
4083 }
4084
4085 if (!recipients)
4086 recipients = &recips;
4087
4088 if ( pinfo && flags & BSF_QUERY )
4089 FIXME("Not returning PBSMINFO information yet\n");
4090
4091 parm.flags = flags;
4092 parm.recipients = recipients;
4093 parm.msg = msg;
4094 parm.wp = wp;
4095 parm.lp = lp;
4096 parm.success = TRUE;
4097
4098 if (*recipients & BSM_ALLDESKTOPS || *recipients == BSM_ALLCOMPONENTS)
4099 ret = EnumWindowStationsW(bcast_winsta, (LONG_PTR)&parm);
4100 else if (*recipients & BSM_APPLICATIONS)
4101 {
4102 EnumWindows(bcast_childwindow, (LONG_PTR)&parm);
4103 ret = parm.success;
4104 }
4105 else
4106 FIXME("Recipients %08x not supported!\n", *recipients);
4107
4108 return ret;
4109 }
4110
4111 /***********************************************************************
4112 * SetMessageQueue (USER32.@)
4113 */
4114 BOOL WINAPI SetMessageQueue( INT size )
4115 {
4116 /* now obsolete the message queue will be expanded dynamically as necessary */
4117 return TRUE;
4118 }
4119
4120
4121 /***********************************************************************
4122 * MessageBeep (USER32.@)
4123 */
4124 BOOL WINAPI MessageBeep( UINT i )
4125 {
4126 BOOL active = TRUE;
4127 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
4128 if (active) USER_Driver->pBeep();
4129 return TRUE;
4130 }
4131
4132
4133 /***********************************************************************
4134 * SetTimer (USER32.@)
4135 */
4136 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4137 {
4138 UINT_PTR ret;
4139 WNDPROC winproc = 0;
4140
4141 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4142
4143 SERVER_START_REQ( set_win_timer )
4144 {
4145 req->win = wine_server_user_handle( hwnd );
4146 req->msg = WM_TIMER;
4147 req->id = id;
4148 req->rate = max( timeout, SYS_TIMER_RATE );
4149 req->lparam = (ULONG_PTR)winproc;
4150 if (!wine_server_call_err( req ))
4151 {
4152 ret = reply->id;
4153 if (!ret) ret = TRUE;
4154 }
4155 else ret = 0;
4156 }
4157 SERVER_END_REQ;
4158
4159 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4160 return ret;
4161 }
4162
4163
4164 /***********************************************************************
4165 * SetSystemTimer (USER32.@)
4166 */
4167 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
4168 {
4169 UINT_PTR ret;
4170 WNDPROC winproc = 0;
4171
4172 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, FALSE );
4173
4174 SERVER_START_REQ( set_win_timer )
4175 {
4176 req->win = wine_server_user_handle( hwnd );
4177 req->msg = WM_SYSTIMER;
4178 req->id = id;
4179 req->rate = max( timeout, SYS_TIMER_RATE );
4180 req->lparam = (ULONG_PTR)winproc;
4181 if (!wine_server_call_err( req ))
4182 {
4183 ret = reply->id;
4184 if (!ret) ret = TRUE;
4185 }
4186 else ret = 0;
4187 }
4188 SERVER_END_REQ;
4189
4190 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
4191 return ret;
4192 }
4193
4194
4195 /***********************************************************************
4196 * KillTimer (USER32.@)
4197 */
4198 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
4199 {
4200 BOOL ret;
4201
4202 SERVER_START_REQ( kill_win_timer )
4203 {
4204 req->win = wine_server_user_handle( hwnd );
4205 req->msg = WM_TIMER;
4206 req->id = id;
4207 ret = !wine_server_call_err( req );
4208 }
4209 SERVER_END_REQ;
4210 return ret;
4211 }
4212
4213
4214 /***********************************************************************
4215 * KillSystemTimer (USER32.@)
4216 */
4217 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
4218 {
4219 BOOL ret;
4220
4221 SERVER_START_REQ( kill_win_timer )
4222 {
4223 req->win = wine_server_user_handle( hwnd );
4224 req->msg = WM_SYSTIMER;
4225 req->id = id;
4226 ret = !wine_server_call_err( req );
4227 }
4228 SERVER_END_REQ;
4229 return ret;
4230 }
4231
4232
4233 /**********************************************************************
4234 * GetGUIThreadInfo (USER32.@)
4235 */
4236 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
4237 {
4238 BOOL ret;
4239
4240 SERVER_START_REQ( get_thread_input )
4241 {
4242 req->tid = id;
4243 if ((ret = !wine_server_call_err( req )))
4244 {
4245 info->flags = 0;
4246 info->hwndActive = wine_server_ptr_handle( reply->active );
4247 info->hwndFocus = wine_server_ptr_handle( reply->focus );
4248 info->hwndCapture = wine_server_ptr_handle( reply->capture );
4249 info->hwndMenuOwner = wine_server_ptr_handle( reply->menu_owner );
4250 info->hwndMoveSize = wine_server_ptr_handle( reply->move_size );
4251 info->hwndCaret = wine_server_ptr_handle( reply->caret );
4252 info->rcCaret.left = reply->rect.left;
4253 info->rcCaret.top = reply->rect.top;
4254 info->rcCaret.right = reply->rect.right;
4255 info->rcCaret.bottom = reply->rect.bottom;
4256 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
4257 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
4258 if (reply->caret) info->flags |= GUI_CARETBLINKING;
4259 }
4260 }
4261 SERVER_END_REQ;
4262 return ret;
4263 }
4264
4265
4266 /******************************************************************
4267 * IsHungAppWindow (USER32.@)
4268 *
4269 */
4270 BOOL WINAPI IsHungAppWindow( HWND hWnd )
4271 {
4272 BOOL ret;
4273
4274 SERVER_START_REQ( is_window_hung )
4275 {
4276 req->win = wine_server_user_handle( hWnd );
4277 ret = !wine_server_call_err( req ) && reply->is_hung;
4278 }
4279 SERVER_END_REQ;
4280 return ret;
4281 }
4282
4283 /******************************************************************
4284 * ChangeWindowMessageFilter (USER32.@)
4285 */
4286 BOOL WINAPI ChangeWindowMessageFilter( UINT message, DWORD flag )
4287 {
4288 FIXME( "%x %08x\n", message, flag );
4289 return TRUE;
4290 }
useful hacks and other patches not (yet) suitable for mainline