2 * Window messaging support
4 * Copyright 2001 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
28 #define WIN32_NO_STATUS
37 #include "wine/unicode.h"
38 #include "wine/server.h"
39 #include "user_private.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(msg);
46 WINE_DECLARE_DEBUG_CHANNEL(relay);
47 WINE_DECLARE_DEBUG_CHANNEL(key);
49 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
50 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
52 #define MAX_PACK_COUNT 4
53 #define MAX_SENDMSG_RECURSION 64
55 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
57 /* description of the data fields that need to be packed along with a sent message */
61 const void *data[MAX_PACK_COUNT];
62 size_t size[MAX_PACK_COUNT];
65 /* info about the message currently being received by the current thread */
66 struct received_message_info
68 enum message_type type;
70 UINT flags; /* InSendMessageEx return flags */
73 /* structure to group all parameters for sent messages of the various kinds */
74 struct send_message_info
76 enum message_type type;
82 UINT flags; /* flags for SendMessageTimeout */
83 UINT timeout; /* timeout for SendMessageTimeout */
84 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
85 ULONG_PTR data; /* callback data */
89 /* flag for messages that contain pointers */
90 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
92 #define SET(msg) (1 << ((msg) & 31))
94 static const unsigned int message_pointer_flags[] =
97 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
98 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
100 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
103 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
104 SET(WM_NOTIFY) | SET(WM_HELP),
106 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
108 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
110 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
112 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
114 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
120 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
121 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
122 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
126 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
127 SET(LB_DIR) | SET(LB_FINDSTRING) |
128 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
130 SET(LB_FINDSTRINGEXACT),
136 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
138 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
139 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
153 SET(WM_ASKCBFORMATNAME)
156 /* flags for messages that contain Unicode strings */
157 static const unsigned int message_unicode_flags[] =
160 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
161 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
173 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
177 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
181 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
182 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
186 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
187 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
189 SET(LB_FINDSTRINGEXACT),
211 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
214 /* check whether a given message type includes pointers */
215 inline static int is_pointer_message( UINT message )
217 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
218 return (message_pointer_flags[message / 32] & SET(message)) != 0;
221 /* check whether a given message type contains Unicode (or ASCII) chars */
222 inline static int is_unicode_message( UINT message )
224 if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
225 return (message_unicode_flags[message / 32] & SET(message)) != 0;
230 /* add a data field to a packed message */
231 inline static void push_data( struct packed_message *data, const void *ptr, size_t size )
233 data->data[data->count] = ptr;
234 data->size[data->count] = size;
238 /* add a string to a packed message */
239 inline static void push_string( struct packed_message *data, LPCWSTR str )
241 push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
244 /* retrieve a pointer to data from a packed message and increment the buffer pointer */
245 inline static void *get_data( void **buffer, size_t size )
248 *buffer = (char *)*buffer + size;
252 /* make sure that the buffer contains a valid null-terminated Unicode string */
253 inline static BOOL check_string( LPCWSTR str, size_t size )
255 for (size /= sizeof(WCHAR); size; size--, str++)
256 if (!*str) return TRUE;
260 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
261 inline static void *get_buffer_space( void **buffer, size_t size )
267 if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
268 HeapFree( GetProcessHeap(), 0, *buffer );
270 else ret = HeapAlloc( GetProcessHeap(), 0, size );
276 /* retrieve a string pointer from packed data */
277 inline static LPWSTR get_string( void **buffer )
279 return get_data( buffer, (strlenW( (LPWSTR)*buffer ) + 1) * sizeof(WCHAR) );
282 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
283 inline static BOOL combobox_has_strings( HWND hwnd )
285 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
286 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
289 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
290 inline static BOOL listbox_has_strings( HWND hwnd )
292 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
293 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
296 /* check whether message is in the range of keyboard messages */
297 inline static BOOL is_keyboard_message( UINT message )
299 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
302 /* check whether message is in the range of mouse messages */
303 inline static BOOL is_mouse_message( UINT message )
305 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
306 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
309 /* check whether message matches the specified hwnd filter */
310 inline static BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
312 if (!hwnd_filter) return TRUE;
313 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
317 /***********************************************************************
318 * broadcast_message_callback
320 * Helper callback for broadcasting messages.
322 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
324 struct send_message_info *info = (struct send_message_info *)lparam;
325 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
329 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
330 info->flags, info->timeout, NULL );
333 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
334 info->flags, info->timeout, NULL );
337 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
340 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
341 info->callback, info->data );
344 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
347 ERR( "bad type %d\n", info->type );
354 /***********************************************************************
357 * Convert the wparam of an ASCII message to Unicode.
359 static WPARAM map_wparam_AtoW( UINT message, WPARAM wparam )
364 case EM_SETPASSWORDCHAR:
373 ch[0] = (wparam & 0xff);
374 ch[1] = (wparam >> 8);
375 MultiByteToWideChar(CP_ACP, 0, ch, 2, wch, 2);
376 wparam = MAKEWPARAM(wch[0], wch[1]);
383 ch[0] = (wparam >> 8);
384 ch[1] = (wparam & 0xff);
385 if (ch[0]) MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
386 else MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
387 wparam = MAKEWPARAM( wch, HIWORD(wparam) );
395 /***********************************************************************
398 * Convert the wparam of a Unicode message to ASCII.
400 static WPARAM map_wparam_WtoA( UINT message, WPARAM wparam )
405 case EM_SETPASSWORDCHAR:
414 wch[0] = LOWORD(wparam);
415 wch[1] = HIWORD(wparam);
416 WideCharToMultiByte( CP_ACP, 0, wch, 2, (LPSTR)ch, 2, NULL, NULL );
417 wparam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
422 WCHAR wch = LOWORD(wparam);
425 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, (LPSTR)ch, 2, NULL, NULL ) == 2)
426 wparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wparam) );
428 wparam = MAKEWPARAM( ch[0], HIWORD(wparam) );
436 /***********************************************************************
439 * Pack a message for sending to another process.
440 * Return the size of the data we expect in the message reply.
441 * Set data->count to -1 if there is an error.
443 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
444 struct packed_message *data )
452 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
453 push_data( data, cs, sizeof(*cs) );
454 if (HIWORD(cs->lpszName)) push_string( data, cs->lpszName );
455 if (HIWORD(cs->lpszClass)) push_string( data, cs->lpszClass );
459 case WM_ASKCBFORMATNAME:
460 return wparam * sizeof(WCHAR);
461 case WM_WININICHANGE:
462 if (lparam) push_string(data, (LPWSTR)lparam );
465 case WM_DEVMODECHANGE:
470 push_string( data, (LPWSTR)lparam );
472 case WM_GETMINMAXINFO:
473 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
474 return sizeof(MINMAXINFO);
476 push_data( data, (DRAWITEMSTRUCT *)lparam, sizeof(DRAWITEMSTRUCT) );
479 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
480 return sizeof(MEASUREITEMSTRUCT);
482 push_data( data, (DELETEITEMSTRUCT *)lparam, sizeof(DELETEITEMSTRUCT) );
485 push_data( data, (COMPAREITEMSTRUCT *)lparam, sizeof(COMPAREITEMSTRUCT) );
487 case WM_WINDOWPOSCHANGING:
488 case WM_WINDOWPOSCHANGED:
489 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
490 return sizeof(WINDOWPOS);
493 COPYDATASTRUCT *cp = (COPYDATASTRUCT *)lparam;
494 push_data( data, cp, sizeof(*cp) );
495 if (cp->lpData) push_data( data, cp->lpData, cp->cbData );
499 /* WM_NOTIFY cannot be sent across processes (MSDN) */
503 push_data( data, (HELPINFO *)lparam, sizeof(HELPINFO) );
505 case WM_STYLECHANGING:
506 case WM_STYLECHANGED:
507 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
512 push_data( data, (RECT *)lparam, sizeof(RECT) );
517 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
518 push_data( data, nc, sizeof(*nc) );
519 push_data( data, nc->lppos, sizeof(*nc->lppos) );
520 return sizeof(*nc) + sizeof(*nc->lppos);
523 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
525 case SBM_SETSCROLLINFO:
526 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
528 case SBM_GETSCROLLINFO:
529 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
530 return sizeof(SCROLLINFO);
531 case SBM_GETSCROLLBARINFO:
533 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
534 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
535 push_data( data, info, size );
543 if (wparam) size += sizeof(DWORD);
544 if (lparam) size += sizeof(DWORD);
549 case CB_GETDROPPEDCONTROLRECT:
553 push_data( data, (RECT *)lparam, sizeof(RECT) );
557 WORD *pw = (WORD *)lparam;
558 push_data( data, pw, sizeof(*pw) );
559 return *pw * sizeof(WCHAR);
563 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
566 case CB_INSERTSTRING:
568 case CB_FINDSTRINGEXACT:
569 case CB_SELECTSTRING:
570 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
573 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
574 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
576 case LB_INSERTSTRING:
578 case LB_FINDSTRINGEXACT:
579 case LB_SELECTSTRING:
580 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
583 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
584 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
586 return wparam * sizeof(UINT);
588 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
589 return sizeof(MDINEXTMENU);
592 push_data( data, (RECT *)lparam, sizeof(RECT) );
596 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
597 push_data( data, cs, sizeof(*cs) );
598 if (HIWORD(cs->szTitle)) push_string( data, cs->szTitle );
599 if (HIWORD(cs->szClass)) push_string( data, cs->szClass );
602 case WM_MDIGETACTIVE:
603 if (lparam) return sizeof(BOOL);
605 case WM_DEVICECHANGE:
607 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
608 push_data( data, header, header->dbch_size );
611 case WM_WINE_SETWINDOWPOS:
612 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
614 case WM_WINE_KEYBOARD_LL_HOOK:
616 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
617 push_data( data, h_extra, sizeof(*h_extra) );
618 push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
621 case WM_WINE_MOUSE_LL_HOOK:
623 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
624 push_data( data, h_extra, sizeof(*h_extra) );
625 push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
629 if (wparam <= 1) return 0;
630 FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
634 if (!wparam) return 0;
637 /* these contain an HFONT */
640 /* these contain an HDC */
642 case WM_ICONERASEBKGND:
643 case WM_CTLCOLORMSGBOX:
644 case WM_CTLCOLOREDIT:
645 case WM_CTLCOLORLISTBOX:
648 case WM_CTLCOLORSCROLLBAR:
649 case WM_CTLCOLORSTATIC:
652 /* these contain an HGLOBAL */
653 case WM_PAINTCLIPBOARD:
654 case WM_SIZECLIPBOARD:
655 /* these contain HICON */
658 case WM_QUERYDRAGICON:
659 case WM_QUERYPARKICON:
660 /* these contain pointers */
662 case WM_QUERYDROPOBJECT:
666 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
674 /***********************************************************************
677 * Unpack a message received from another process.
679 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
680 void **buffer, size_t size )
689 CREATESTRUCTW *cs = *buffer;
690 WCHAR *str = (WCHAR *)(cs + 1);
691 if (size < sizeof(*cs)) return FALSE;
693 if (HIWORD(cs->lpszName))
695 if (!check_string( str, size )) return FALSE;
697 size -= (strlenW(str) + 1) * sizeof(WCHAR);
698 str += strlenW(str) + 1;
700 if (HIWORD(cs->lpszClass))
702 if (!check_string( str, size )) return FALSE;
708 case WM_ASKCBFORMATNAME:
709 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
711 case WM_WININICHANGE:
712 if (!*lparam) return TRUE;
715 case WM_DEVMODECHANGE:
720 if (!check_string( *buffer, size )) return FALSE;
722 case WM_GETMINMAXINFO:
723 minsize = sizeof(MINMAXINFO);
726 minsize = sizeof(DRAWITEMSTRUCT);
729 minsize = sizeof(MEASUREITEMSTRUCT);
732 minsize = sizeof(DELETEITEMSTRUCT);
735 minsize = sizeof(COMPAREITEMSTRUCT);
737 case WM_WINDOWPOSCHANGING:
738 case WM_WINDOWPOSCHANGED:
739 case WM_WINE_SETWINDOWPOS:
740 minsize = sizeof(WINDOWPOS);
744 COPYDATASTRUCT *cp = *buffer;
745 if (size < sizeof(*cp)) return FALSE;
748 minsize = sizeof(*cp) + cp->cbData;
754 /* WM_NOTIFY cannot be sent across processes (MSDN) */
757 minsize = sizeof(HELPINFO);
759 case WM_STYLECHANGING:
760 case WM_STYLECHANGED:
761 minsize = sizeof(STYLESTRUCT);
764 if (!*wparam) minsize = sizeof(RECT);
767 NCCALCSIZE_PARAMS *nc = *buffer;
768 if (size < sizeof(*nc) + sizeof(*nc->lppos)) return FALSE;
769 nc->lppos = (WINDOWPOS *)(nc + 1);
773 if (!*lparam) return TRUE;
774 minsize = sizeof(MSG);
776 case SBM_SETSCROLLINFO:
777 minsize = sizeof(SCROLLINFO);
779 case SBM_GETSCROLLINFO:
780 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
782 case SBM_GETSCROLLBARINFO:
783 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
788 if (*wparam || *lparam)
790 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
791 if (*wparam) *wparam = (WPARAM)*buffer;
792 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
797 case CB_GETDROPPEDCONTROLRECT:
798 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
802 minsize = sizeof(RECT);
807 if (size < sizeof(WORD)) return FALSE;
808 len = *(WORD *)*buffer;
809 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
810 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
815 if (!*wparam) return TRUE;
816 minsize = *wparam * sizeof(UINT);
819 case CB_INSERTSTRING:
821 case CB_FINDSTRINGEXACT:
822 case CB_SELECTSTRING:
824 case LB_INSERTSTRING:
826 case LB_FINDSTRINGEXACT:
827 case LB_SELECTSTRING:
828 if (!*buffer) return TRUE;
829 if (!check_string( *buffer, size )) return FALSE;
833 size = sizeof(ULONG_PTR);
834 if (combobox_has_strings( hwnd ))
835 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
836 if (!get_buffer_space( buffer, size )) return FALSE;
841 size = sizeof(ULONG_PTR);
842 if (listbox_has_strings( hwnd ))
843 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
844 if (!get_buffer_space( buffer, size )) return FALSE;
848 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
851 minsize = sizeof(MDINEXTMENU);
852 if (!get_buffer_space( buffer, sizeof(MDINEXTMENU) )) return FALSE;
856 minsize = sizeof(RECT);
857 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
861 MDICREATESTRUCTW *cs = *buffer;
862 WCHAR *str = (WCHAR *)(cs + 1);
863 if (size < sizeof(*cs)) return FALSE;
865 if (HIWORD(cs->szTitle))
867 if (!check_string( str, size )) return FALSE;
869 size -= (strlenW(str) + 1) * sizeof(WCHAR);
870 str += strlenW(str) + 1;
872 if (HIWORD(cs->szClass))
874 if (!check_string( str, size )) return FALSE;
879 case WM_MDIGETACTIVE:
880 if (!*lparam) return TRUE;
881 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
883 case WM_DEVICECHANGE:
884 minsize = sizeof(DEV_BROADCAST_HDR);
886 case WM_WINE_KEYBOARD_LL_HOOK:
887 case WM_WINE_MOUSE_LL_HOOK:
889 struct hook_extra_info *h_extra = (struct hook_extra_info *)*buffer;
891 minsize = sizeof(struct hook_extra_info) +
892 (message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
893 : sizeof(MSLLHOOKSTRUCT));
894 if (size < minsize) return FALSE;
895 h_extra->lparam = (LPARAM)(h_extra + 1);
899 if (*wparam <= 1) return TRUE;
900 FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
903 if (!*wparam) return TRUE;
906 /* these contain an HFONT */
909 /* these contain an HDC */
911 case WM_ICONERASEBKGND:
912 case WM_CTLCOLORMSGBOX:
913 case WM_CTLCOLOREDIT:
914 case WM_CTLCOLORLISTBOX:
917 case WM_CTLCOLORSCROLLBAR:
918 case WM_CTLCOLORSTATIC:
921 /* these contain an HGLOBAL */
922 case WM_PAINTCLIPBOARD:
923 case WM_SIZECLIPBOARD:
924 /* these contain HICON */
927 case WM_QUERYDRAGICON:
928 case WM_QUERYPARKICON:
929 /* these contain pointers */
931 case WM_QUERYDROPOBJECT:
935 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
939 return TRUE; /* message doesn't need any unpacking */
942 /* default exit for most messages: check minsize and store buffer in lparam */
943 if (size < minsize) return FALSE;
944 *lparam = (LPARAM)*buffer;
949 /***********************************************************************
952 * Pack a reply to a message for sending to another process.
954 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
955 LRESULT res, struct packed_message *data )
962 push_data( data, (CREATESTRUCTW *)lparam, sizeof(CREATESTRUCTW) );
967 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
969 case WM_GETMINMAXINFO:
970 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
973 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
975 case WM_WINDOWPOSCHANGING:
976 case WM_WINDOWPOSCHANGED:
977 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
980 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
982 case SBM_GETSCROLLINFO:
983 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
987 case CB_GETDROPPEDCONTROLRECT:
990 push_data( data, (RECT *)lparam, sizeof(RECT) );
994 WORD *ptr = (WORD *)lparam;
995 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
999 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
1001 case WM_MDIGETACTIVE:
1002 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
1006 push_data( data, (RECT *)lparam, sizeof(RECT) );
1009 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1010 push_data( data, nc, sizeof(*nc) );
1011 push_data( data, nc->lppos, sizeof(*nc->lppos) );
1017 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
1018 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
1021 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
1024 push_data( data, (MDICREATESTRUCTW *)lparam, sizeof(MDICREATESTRUCTW) );
1026 case WM_ASKCBFORMATNAME:
1027 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1033 /***********************************************************************
1036 * Unpack a message reply received from another process.
1038 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1039 void *buffer, size_t size )
1046 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1047 LPCWSTR name = cs->lpszName, class = cs->lpszClass;
1048 memcpy( cs, buffer, min( sizeof(*cs), size ));
1049 cs->lpszName = name; /* restore the original pointers */
1050 cs->lpszClass = class;
1054 case WM_ASKCBFORMATNAME:
1055 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1057 case WM_GETMINMAXINFO:
1058 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1060 case WM_MEASUREITEM:
1061 memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size ));
1063 case WM_WINDOWPOSCHANGING:
1064 case WM_WINDOWPOSCHANGED:
1065 memcpy( (WINDOWPOS *)lparam, buffer, min( sizeof(WINDOWPOS), size ));
1068 if (lparam) memcpy( (MSG *)lparam, buffer, min( sizeof(MSG), size ));
1070 case SBM_GETSCROLLINFO:
1071 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1073 case SBM_GETSCROLLBARINFO:
1074 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1077 case CB_GETDROPPEDCONTROLRECT:
1078 case LB_GETITEMRECT:
1081 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1084 size = min( size, (size_t)*(WORD *)lparam );
1085 memcpy( (WCHAR *)lparam, buffer, size );
1087 case LB_GETSELITEMS:
1088 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1092 memcpy( (WCHAR *)lparam, buffer, size );
1095 memcpy( (MDINEXTMENU *)lparam, buffer, min( sizeof(MDINEXTMENU), size ));
1097 case WM_MDIGETACTIVE:
1098 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1102 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1105 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1106 WINDOWPOS *wp = nc->lppos;
1107 memcpy( nc, buffer, min( sizeof(*nc), size ));
1108 if (size > sizeof(*nc))
1110 size -= sizeof(*nc);
1111 memcpy( wp, (NCCALCSIZE_PARAMS*)buffer + 1, min( sizeof(*wp), size ));
1113 nc->lppos = wp; /* restore the original pointer */
1121 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1122 if (size <= sizeof(DWORD)) break;
1123 size -= sizeof(DWORD);
1124 buffer = (DWORD *)buffer + 1;
1126 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1130 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
1131 LPCWSTR title = cs->szTitle, class = cs->szClass;
1132 memcpy( cs, buffer, min( sizeof(*cs), size ));
1133 cs->szTitle = title; /* restore the original pointers */
1134 cs->szClass = class;
1138 ERR( "should not happen: unexpected message %x\n", message );
1144 /***********************************************************************
1147 * Send a reply to a sent message.
1149 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1151 struct packed_message data;
1152 int i, replied = info->flags & ISMEX_REPLIED;
1154 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1155 if (!remove && replied) return; /* replied already */
1158 info->flags |= ISMEX_REPLIED;
1160 if (info->type == MSG_OTHER_PROCESS && !replied)
1162 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1163 info->msg.lParam, result, &data );
1166 SERVER_START_REQ( reply_message )
1168 req->result = result;
1169 req->remove = remove;
1170 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1171 wine_server_call( req );
1177 /***********************************************************************
1178 * handle_internal_message
1180 * Handle an internal Wine message instead of calling the window proc.
1182 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1186 case WM_WINE_DESTROYWINDOW:
1187 return WIN_DestroyWindow( hwnd );
1188 case WM_WINE_SETWINDOWPOS:
1189 if (hwnd == GetDesktopWindow()) return 0;
1190 return USER_Driver->pSetWindowPos( (WINDOWPOS *)lparam );
1191 case WM_WINE_SHOWWINDOW:
1192 if (hwnd == GetDesktopWindow()) return 0;
1193 return ShowWindow( hwnd, wparam );
1194 case WM_WINE_SETPARENT:
1195 if (hwnd == GetDesktopWindow()) return 0;
1196 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1197 case WM_WINE_SETWINDOWLONG:
1198 return WIN_SetWindowLong( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, TRUE );
1199 case WM_WINE_ENABLEWINDOW:
1200 if (hwnd == GetDesktopWindow()) return 0;
1201 return EnableWindow( hwnd, wparam );
1202 case WM_WINE_SETACTIVEWINDOW:
1203 if (hwnd == GetDesktopWindow()) return 0;
1204 return (LRESULT)SetActiveWindow( (HWND)wparam );
1205 case WM_WINE_KEYBOARD_LL_HOOK:
1206 case WM_WINE_MOUSE_LL_HOOK:
1208 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1210 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1213 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1214 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1215 FIXME( "unknown internal message %x\n", msg );
1220 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1221 * to the memory handle, we keep track (in the server side) of all pairs of handle
1222 * used (the client passes its value and the content of the memory handle), and
1223 * the server stored both values (the client, and the local one, created after the
1224 * content). When a ACK message is generated, the list of pair is searched for a
1225 * matching pair, so that the client memory handle can be returned.
1228 HGLOBAL client_hMem;
1229 HGLOBAL server_hMem;
1232 static struct DDE_pair* dde_pairs;
1233 static int dde_num_alloc;
1234 static int dde_num_used;
1236 static CRITICAL_SECTION dde_crst;
1237 static CRITICAL_SECTION_DEBUG critsect_debug =
1240 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1241 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1243 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1245 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1250 EnterCriticalSection(&dde_crst);
1252 /* now remember the pair of hMem on both sides */
1253 if (dde_num_used == dde_num_alloc)
1255 struct DDE_pair* tmp;
1257 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1258 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1260 tmp = HeapAlloc( GetProcessHeap(), 0,
1261 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1265 LeaveCriticalSection(&dde_crst);
1269 /* zero out newly allocated part */
1270 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1271 dde_num_alloc += GROWBY;
1274 for (i = 0; i < dde_num_alloc; i++)
1276 if (dde_pairs[i].server_hMem == 0)
1278 dde_pairs[i].client_hMem = chm;
1279 dde_pairs[i].server_hMem = shm;
1284 LeaveCriticalSection(&dde_crst);
1288 static HGLOBAL dde_get_pair(HGLOBAL shm)
1293 EnterCriticalSection(&dde_crst);
1294 for (i = 0; i < dde_num_alloc; i++)
1296 if (dde_pairs[i].server_hMem == shm)
1298 /* free this pair */
1299 dde_pairs[i].server_hMem = 0;
1301 ret = dde_pairs[i].client_hMem;
1305 LeaveCriticalSection(&dde_crst);
1309 /***********************************************************************
1312 * Post a DDE message
1314 static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
1318 UINT_PTR uiLo, uiHi;
1320 HGLOBAL hunlock = 0;
1324 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1330 /* DDE messages which don't require packing are:
1339 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
1340 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
1343 /* send back the value of h on the other side */
1344 push_data( data, &h, sizeof(HGLOBAL) );
1346 TRACE( "send dde-ack %x %08x => %p\n", uiLo, uiHi, h );
1351 /* uiHi should contain either an atom or 0 */
1352 TRACE( "send dde-ack %x atom=%x\n", uiLo, uiHi );
1353 lp = MAKELONG( uiLo, uiHi );
1362 size = GlobalSize( (HGLOBAL)uiLo ) ;
1363 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
1364 (info->msg == WM_DDE_DATA && size < sizeof(DDEDATA)) ||
1365 (info->msg == WM_DDE_POKE && size < sizeof(DDEPOKE))
1369 else if (info->msg != WM_DDE_DATA) return FALSE;
1374 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
1376 DDEDATA *dde_data = (DDEDATA *)ptr;
1377 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
1378 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
1379 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
1380 push_data( data, ptr, size );
1381 hunlock = (HGLOBAL)uiLo;
1384 TRACE( "send ddepack %u %x\n", size, uiHi );
1386 case WM_DDE_EXECUTE:
1389 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
1391 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
1392 /* so that the other side can send it back on ACK */
1394 hunlock = (HGLOBAL)info->lparam;
1399 SERVER_START_REQ( send_message )
1401 req->id = info->dest_tid;
1402 req->type = info->type;
1404 req->win = info->hwnd;
1405 req->msg = info->msg;
1406 req->wparam = info->wparam;
1409 for (i = 0; i < data->count; i++)
1410 wine_server_add_data( req, data->data[i], data->size[i] );
1411 if ((res = wine_server_call( req )))
1413 if (res == STATUS_INVALID_PARAMETER)
1414 /* FIXME: find a STATUS_ value for this one */
1415 SetLastError( ERROR_INVALID_THREAD_ID );
1417 SetLastError( RtlNtStatusToDosError(res) );
1420 FreeDDElParam(info->msg, info->lparam);
1423 if (hunlock) GlobalUnlock(hunlock);
1428 /***********************************************************************
1429 * unpack_dde_message
1431 * Unpack a posted DDE message received from another process.
1433 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1434 void **buffer, size_t size )
1436 UINT_PTR uiLo, uiHi;
1445 /* hMem is being passed */
1446 if (size != sizeof(HGLOBAL)) return FALSE;
1447 if (!buffer || !*buffer) return FALSE;
1449 memcpy( &hMem, *buffer, size );
1450 uiHi = (UINT_PTR)hMem;
1451 TRACE("recv dde-ack %x mem=%x[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
1455 uiLo = LOWORD( *lparam );
1456 uiHi = HIWORD( *lparam );
1457 TRACE("recv dde-ack %x atom=%x\n", uiLo, uiHi);
1459 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
1464 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
1468 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
1470 if ((ptr = GlobalLock( hMem )))
1472 memcpy( ptr, *buffer, size );
1473 GlobalUnlock( hMem );
1481 uiLo = (UINT_PTR)hMem;
1483 *lparam = PackDDElParam( message, uiLo, uiHi );
1485 case WM_DDE_EXECUTE:
1488 if (!buffer || !*buffer) return FALSE;
1489 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
1490 if ((ptr = GlobalLock( hMem )))
1492 memcpy( ptr, *buffer, size );
1493 GlobalUnlock( hMem );
1494 TRACE( "exec: pairing c=%08lx s=%08x\n", *lparam, (DWORD)hMem );
1495 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
1506 } else return FALSE;
1507 *lparam = (LPARAM)hMem;
1513 /***********************************************************************
1516 * Call a window procedure and the corresponding hooks.
1518 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
1519 BOOL unicode, BOOL same_thread )
1521 struct user_thread_info *thread_info = get_user_thread_info();
1525 CWPRETSTRUCT cwpret;
1527 if (thread_info->recursion_count > MAX_SENDMSG_RECURSION) return 0;
1528 thread_info->recursion_count++;
1530 if (msg & 0x80000000)
1532 result = handle_internal_message( hwnd, msg, wparam, lparam );
1536 /* first the WH_CALLWNDPROC hook */
1537 hwnd = WIN_GetFullHandle( hwnd );
1538 cwp.lParam = lparam;
1539 cwp.wParam = wparam;
1542 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
1544 /* now call the window procedure */
1547 if (!(winproc = (WNDPROC)GetWindowLongPtrW( hwnd, GWLP_WNDPROC ))) goto done;
1548 result = CallWindowProcW( winproc, hwnd, msg, wparam, lparam );
1552 if (!(winproc = (WNDPROC)GetWindowLongPtrA( hwnd, GWLP_WNDPROC ))) goto done;
1553 result = CallWindowProcA( winproc, hwnd, msg, wparam, lparam );
1556 /* and finally the WH_CALLWNDPROCRET hook */
1557 cwpret.lResult = result;
1558 cwpret.lParam = lparam;
1559 cwpret.wParam = wparam;
1560 cwpret.message = msg;
1562 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
1564 thread_info->recursion_count--;
1569 /***********************************************************************
1570 * send_parent_notify
1572 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
1573 * the window has the WS_EX_NOPARENTNOTIFY style.
1575 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
1577 /* pt has to be in the client coordinates of the parent window */
1578 MapWindowPoints( 0, hwnd, &pt, 1 );
1583 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
1584 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
1585 if (!(parent = GetParent(hwnd))) break;
1586 if (parent == GetDesktopWindow()) break;
1587 MapWindowPoints( hwnd, parent, &pt, 1 );
1589 SendMessageW( hwnd, WM_PARENTNOTIFY,
1590 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1595 /***********************************************************************
1596 * accept_hardware_message
1598 * Tell the server we have passed the message to the app
1599 * (even though we may end up dropping it later on)
1601 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
1603 SERVER_START_REQ( accept_hardware_message )
1606 req->remove = remove;
1607 req->new_win = new_hwnd;
1608 if (wine_server_call( req ))
1609 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
1615 /***********************************************************************
1616 * process_keyboard_message
1618 * returns TRUE if the contents of 'msg' should be passed to the application
1620 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
1621 UINT first, UINT last, BOOL remove )
1625 /* FIXME: is this really the right place for this hook? */
1626 event.message = msg->message;
1627 event.hwnd = msg->hwnd;
1628 event.time = msg->time;
1629 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
1630 event.paramH = msg->lParam & 0x7FFF;
1631 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
1632 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1634 /* check message filters */
1635 if (msg->message < first || msg->message > last) return FALSE;
1636 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1640 /* Handle F1 key by sending out WM_HELP message */
1641 if ((msg->message == WM_KEYUP) &&
1642 (msg->wParam == VK_F1) &&
1643 (msg->hwnd != GetDesktopWindow()) &&
1644 !MENU_IsMenuActive())
1647 hi.cbSize = sizeof(HELPINFO);
1648 hi.iContextType = HELPINFO_WINDOW;
1649 hi.iCtrlId = GetWindowLongPtrA( msg->hwnd, GWLP_ID );
1650 hi.hItemHandle = msg->hwnd;
1651 hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
1652 hi.MousePos = msg->pt;
1653 SendMessageW( msg->hwnd, WM_HELP, 0, (LPARAM)&hi );
1657 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
1658 LOWORD(msg->wParam), msg->lParam, TRUE ))
1660 /* skip this message */
1661 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
1662 accept_hardware_message( hw_id, TRUE, 0 );
1665 accept_hardware_message( hw_id, remove, 0 );
1670 /***********************************************************************
1671 * process_mouse_message
1673 * returns TRUE if the contents of 'msg' should be passed to the application
1675 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1676 UINT first, UINT last, BOOL remove )
1685 MOUSEHOOKSTRUCT hook;
1688 /* find the window to dispatch this mouse message to */
1690 GetGUIThreadInfo( GetCurrentThreadId(), &info );
1691 if (info.hwndCapture)
1694 msg->hwnd = info.hwndCapture;
1698 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
1701 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
1703 accept_hardware_message( hw_id, TRUE, msg->hwnd );
1707 /* FIXME: is this really the right place for this hook? */
1708 event.message = msg->message;
1709 event.time = msg->time;
1710 event.hwnd = msg->hwnd;
1711 event.paramL = msg->pt.x;
1712 event.paramH = msg->pt.y;
1713 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1715 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1718 message = msg->message;
1719 /* Note: windows has no concept of a non-client wheel message */
1720 if (message != WM_MOUSEWHEEL)
1722 if (hittest != HTCLIENT)
1724 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
1725 msg->wParam = hittest;
1729 /* coordinates don't get translated while tracking a menu */
1730 /* FIXME: should differentiate popups and top-level menus */
1731 if (!(info.flags & GUI_INMENUMODE))
1732 ScreenToClient( msg->hwnd, &pt );
1735 msg->lParam = MAKELONG( pt.x, pt.y );
1737 /* translate double clicks */
1739 if ((msg->message == WM_LBUTTONDOWN) ||
1740 (msg->message == WM_RBUTTONDOWN) ||
1741 (msg->message == WM_MBUTTONDOWN) ||
1742 (msg->message == WM_XBUTTONDOWN))
1744 BOOL update = remove;
1746 /* translate double clicks -
1747 * note that ...MOUSEMOVEs can slip in between
1748 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1750 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
1751 hittest != HTCLIENT ||
1752 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
1754 if ((msg->message == clk_msg.message) &&
1755 (msg->hwnd == clk_msg.hwnd) &&
1756 (msg->wParam == clk_msg.wParam) &&
1757 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
1758 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
1759 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
1761 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
1764 clk_msg.message = 0; /* clear the double click conditions */
1769 if (message < first || message > last) return FALSE;
1770 /* update static double click conditions */
1771 if (update) clk_msg = *msg;
1775 if (message < first || message > last) return FALSE;
1778 /* message is accepted now (but may still get dropped) */
1781 hook.hwnd = msg->hwnd;
1782 hook.wHitTestCode = hittest;
1783 hook.dwExtraInfo = extra_info;
1784 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
1785 message, (LPARAM)&hook, TRUE ))
1788 hook.hwnd = msg->hwnd;
1789 hook.wHitTestCode = hittest;
1790 hook.dwExtraInfo = extra_info;
1791 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
1792 accept_hardware_message( hw_id, TRUE, 0 );
1796 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
1798 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
1799 MAKELONG( hittest, msg->message ));
1800 accept_hardware_message( hw_id, TRUE, 0 );
1804 accept_hardware_message( hw_id, remove, 0 );
1806 if (!remove || info.hwndCapture)
1808 msg->message = message;
1814 if ((msg->message == WM_LBUTTONDOWN) ||
1815 (msg->message == WM_RBUTTONDOWN) ||
1816 (msg->message == WM_MBUTTONDOWN) ||
1817 (msg->message == WM_XBUTTONDOWN))
1819 /* Send the WM_PARENTNOTIFY,
1820 * note that even for double/nonclient clicks
1821 * notification message is still WM_L/M/RBUTTONDOWN.
1823 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
1825 /* Activate the window if needed */
1827 if (msg->hwnd != info.hwndActive)
1829 HWND hwndTop = msg->hwnd;
1832 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
1833 hwndTop = GetParent( hwndTop );
1836 if (hwndTop && hwndTop != GetDesktopWindow())
1838 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
1839 MAKELONG( hittest, msg->message ) );
1842 case MA_NOACTIVATEANDEAT:
1847 case MA_ACTIVATEANDEAT:
1852 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
1855 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
1862 /* send the WM_SETCURSOR message */
1864 /* Windows sends the normal mouse message as the message parameter
1865 in the WM_SETCURSOR message even if it's non-client mouse message */
1866 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1868 msg->message = message;
1873 /***********************************************************************
1874 * process_hardware_message
1876 * Process a hardware message; return TRUE if message should be passed on to the app
1878 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1879 UINT first, UINT last, BOOL remove )
1881 if (is_keyboard_message( msg->message ))
1882 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
1884 if (is_mouse_message( msg->message ))
1885 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
1887 ERR( "unknown message type %x\n", msg->message );
1892 /***********************************************************************
1893 * call_sendmsg_callback
1895 * Call the callback function of SendMessageCallback.
1897 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
1898 ULONG_PTR data, LRESULT result )
1900 if (TRACE_ON(relay))
1901 DPRINTF( "%04x:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1902 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1904 callback( hwnd, msg, data, result );
1905 if (TRACE_ON(relay))
1906 DPRINTF( "%04x:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1907 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1912 /***********************************************************************
1915 * Retrieve the hook procedure real value for a module-relative proc
1917 static void *get_hook_proc( void *proc, const WCHAR *module )
1921 if (!(mod = GetModuleHandleW(module)))
1923 TRACE( "loading %s\n", debugstr_w(module) );
1924 /* FIXME: the library will never be freed */
1925 if (!(mod = LoadLibraryW(module))) return NULL;
1927 return (char *)mod + (ULONG_PTR)proc;
1931 /***********************************************************************
1934 * Peek for a message matching the given parameters. Return FALSE if none available.
1935 * All pending sent messages are processed before returning.
1937 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, int flags )
1940 ULONG_PTR extra_info = 0;
1941 struct user_thread_info *thread_info = get_user_thread_info();
1942 struct received_message_info info, *old_info;
1943 unsigned int hw_id = 0; /* id of previous hardware message */
1945 if (!first && !last) last = ~0;
1950 void *buffer = NULL;
1951 size_t size = 0, buffer_size = 0;
1953 do /* loop while buffer is too small */
1955 if (buffer_size && !(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
1957 SERVER_START_REQ( get_message )
1960 req->get_win = hwnd;
1961 req->get_first = first;
1962 req->get_last = last;
1964 if (buffer_size) wine_server_set_reply( req, buffer, buffer_size );
1965 if (!(res = wine_server_call( req )))
1967 size = wine_server_reply_size( reply );
1968 info.type = reply->type;
1969 info.msg.hwnd = reply->win;
1970 info.msg.message = reply->msg;
1971 info.msg.wParam = reply->wparam;
1972 info.msg.lParam = reply->lparam;
1973 info.msg.time = reply->time;
1974 info.msg.pt.x = reply->x;
1975 info.msg.pt.y = reply->y;
1976 hw_id = reply->hw_id;
1977 extra_info = reply->info;
1978 thread_info->active_hooks = reply->active_hooks;
1982 HeapFree( GetProcessHeap(), 0, buffer );
1983 buffer_size = reply->total;
1987 } while (res == STATUS_BUFFER_OVERFLOW);
1989 if (res) return FALSE;
1991 TRACE( "got type %d msg %x (%s) hwnd %p wp %x lp %lx\n",
1992 info.type, info.msg.message,
1993 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
1994 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
2000 info.flags = ISMEX_SEND;
2003 info.flags = ISMEX_NOTIFY;
2006 info.flags = ISMEX_CALLBACK;
2008 case MSG_CALLBACK_RESULT:
2009 if (size >= sizeof(struct callback_msg_data))
2011 const struct callback_msg_data *data = (const struct callback_msg_data *)buffer;
2012 call_sendmsg_callback( data->callback, info.msg.hwnd,
2013 info.msg.message, data->data, data->result );
2017 if (size >= sizeof(struct winevent_msg_data))
2019 WINEVENTPROC hook_proc;
2020 const struct winevent_msg_data *data = (const struct winevent_msg_data *)buffer;
2022 hook_proc = data->hook_proc;
2023 size -= sizeof(*data);
2026 WCHAR module[MAX_PATH];
2028 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
2029 memcpy( module, buffer, size );
2030 module[size / sizeof(WCHAR)] = 0;
2031 if (!(hook_proc = get_hook_proc( hook_proc, module )))
2033 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2038 if (TRACE_ON(relay))
2039 DPRINTF( "%04x:Call winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04x,time=%x)\n",
2040 GetCurrentThreadId(), hook_proc,
2041 data->hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2042 info.msg.lParam, data->tid, info.msg.time);
2044 hook_proc( data->hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2045 info.msg.lParam, data->tid, info.msg.time );
2047 if (TRACE_ON(relay))
2048 DPRINTF( "%04x:Ret winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04x,time=%x)\n",
2049 GetCurrentThreadId(), hook_proc,
2050 data->hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2051 info.msg.lParam, data->tid, info.msg.time);
2054 case MSG_OTHER_PROCESS:
2055 info.flags = ISMEX_SEND;
2056 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2057 &info.msg.lParam, &buffer, size ))
2060 reply_message( &info, 0, TRUE );
2065 if (!process_hardware_message( &info.msg, hw_id, extra_info,
2066 hwnd, first, last, flags & GET_MSG_REMOVE ))
2068 TRACE("dropping msg %x\n", info.msg.message );
2069 goto next; /* ignore it */
2071 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2074 thread_info->GetMessageExtraInfoVal = extra_info;
2075 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2077 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2078 &info.msg.lParam, &buffer, size ))
2079 goto next; /* ignore it */
2082 HeapFree( GetProcessHeap(), 0, buffer );
2086 /* if we get here, we have a sent message; call the window procedure */
2087 old_info = thread_info->receive_info;
2088 thread_info->receive_info = &info;
2089 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2090 info.msg.lParam, (info.type != MSG_ASCII), FALSE );
2091 reply_message( &info, result, TRUE );
2092 thread_info->receive_info = old_info;
2094 HeapFree( GetProcessHeap(), 0, buffer );
2099 /***********************************************************************
2100 * process_sent_messages
2102 * Process all pending sent messages.
2104 inline static void process_sent_messages(void)
2107 peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
2111 /***********************************************************************
2112 * get_server_queue_handle
2114 * Get a handle to the server message queue for the current thread.
2116 static HANDLE get_server_queue_handle(void)
2118 struct user_thread_info *thread_info = get_user_thread_info();
2121 if (!(ret = thread_info->server_queue))
2123 SERVER_START_REQ( get_msg_queue )
2125 wine_server_call( req );
2126 ret = reply->handle;
2129 thread_info->server_queue = ret;
2130 if (!ret) ERR( "Cannot get server thread queue\n" );
2136 /***********************************************************************
2137 * wait_message_reply
2139 * Wait until a sent message gets replied to.
2141 static void wait_message_reply( UINT flags )
2143 HANDLE server_queue = get_server_queue_handle();
2147 unsigned int wake_bits = 0, changed_bits = 0;
2150 SERVER_START_REQ( set_queue_mask )
2152 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2153 req->changed_mask = req->wake_mask;
2155 if (!wine_server_call( req ))
2157 wake_bits = reply->wake_bits;
2158 changed_bits = reply->changed_bits;
2163 if (wake_bits & QS_SMRESULT) return; /* got a result */
2164 if (wake_bits & QS_SENDMESSAGE)
2166 /* Process the sent message immediately */
2167 process_sent_messages();
2171 /* now wait for it */
2173 ReleaseThunkLock( &dwlc );
2174 res = USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue,
2175 INFINITE, QS_SENDMESSAGE, 0 );
2176 if (dwlc) RestoreThunkLock( dwlc );
2180 /***********************************************************************
2181 * put_message_in_queue
2183 * Put a sent message into the destination queue.
2184 * For inter-process message, reply_size is set to expected size of reply data.
2186 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
2188 struct packed_message data;
2189 message_data_t msg_data;
2193 /* Check for INFINITE timeout for compatibility with Win9x,
2194 * although Windows >= NT does not do so
2196 if (info->type != MSG_NOTIFY &&
2197 info->type != MSG_CALLBACK &&
2198 info->type != MSG_POSTED &&
2199 info->timeout != INFINITE)
2200 timeout = info->timeout;
2203 if (info->type == MSG_OTHER_PROCESS)
2205 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2206 if (data.count == -1)
2208 WARN( "cannot pack message %x\n", info->msg );
2212 else if (info->type == MSG_CALLBACK)
2214 msg_data.callback.callback = info->callback;
2215 msg_data.callback.data = info->data;
2216 msg_data.callback.result = 0;
2217 data.data[0] = &msg_data;
2218 data.size[0] = sizeof(msg_data.callback);
2221 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2223 return post_dde_message( &data, info );
2226 SERVER_START_REQ( send_message )
2228 req->id = info->dest_tid;
2229 req->type = info->type;
2231 req->win = info->hwnd;
2232 req->msg = info->msg;
2233 req->wparam = info->wparam;
2234 req->lparam = info->lparam;
2235 req->timeout = timeout;
2237 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2238 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2239 if ((res = wine_server_call( req )))
2241 if (res == STATUS_INVALID_PARAMETER)
2242 /* FIXME: find a STATUS_ value for this one */
2243 SetLastError( ERROR_INVALID_THREAD_ID );
2245 SetLastError( RtlNtStatusToDosError(res) );
2253 /***********************************************************************
2256 * Retrieve a message reply from the server.
2258 static LRESULT retrieve_reply( const struct send_message_info *info,
2259 size_t reply_size, LRESULT *result )
2262 void *reply_data = NULL;
2266 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2268 WARN( "no memory for reply, will be truncated\n" );
2272 SERVER_START_REQ( get_message_reply )
2275 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2276 if (!(status = wine_server_call( req ))) *result = reply->result;
2277 reply_size = wine_server_reply_size( reply );
2280 if (!status && reply_size)
2281 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2283 HeapFree( GetProcessHeap(), 0, reply_data );
2285 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx got reply %lx (err=%d)\n",
2286 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
2287 info->lparam, *result, status );
2289 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2290 if (status) SetLastError( RtlNtStatusToDosError(status) );
2295 /***********************************************************************
2296 * send_inter_thread_message
2298 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
2300 size_t reply_size = 0;
2302 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2303 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
2305 USER_CheckNotLock();
2307 if (!put_message_in_queue( info, &reply_size )) return 0;
2309 /* there's no reply to wait for on notify/callback messages */
2310 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2312 wait_message_reply( info->flags );
2313 return retrieve_reply( info, reply_size, res_ptr );
2317 /***********************************************************************
2318 * MSG_SendInternalMessageTimeout
2320 * Same as SendMessageTimeoutW but sends the message to a specific thread
2321 * without requiring a window handle. Only works for internal Wine messages.
2323 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
2324 UINT msg, WPARAM wparam, LPARAM lparam,
2325 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2327 struct send_message_info info;
2328 LRESULT ret, result;
2330 assert( msg & 0x80000000 ); /* must be an internal Wine message */
2332 info.type = MSG_UNICODE;
2333 info.dest_tid = dest_tid;
2336 info.wparam = wparam;
2337 info.lparam = lparam;
2339 info.timeout = timeout;
2341 if (USER_IsExitingThread( dest_tid )) return 0;
2343 if (dest_tid == GetCurrentThreadId())
2345 result = handle_internal_message( 0, msg, wparam, lparam );
2350 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2351 ret = send_inter_thread_message( &info, &result );
2353 if (ret && res_ptr) *res_ptr = result;
2358 /***********************************************************************
2359 * SendMessageTimeoutW (USER32.@)
2361 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2362 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2364 struct send_message_info info;
2366 LRESULT ret, result;
2368 info.type = MSG_UNICODE;
2371 info.wparam = wparam;
2372 info.lparam = lparam;
2374 info.timeout = timeout;
2376 if (is_broadcast(hwnd))
2378 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2379 if (res_ptr) *res_ptr = 1;
2383 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2385 if (USER_IsExitingThread( info.dest_tid )) return 0;
2387 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2389 if (info.dest_tid == GetCurrentThreadId())
2391 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2396 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2397 ret = send_inter_thread_message( &info, &result );
2400 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2401 if (ret && res_ptr) *res_ptr = result;
2405 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
2406 LRESULT *result, void *arg )
2408 struct send_message_info *info = arg;
2413 return send_inter_thread_message( info, result );
2416 /***********************************************************************
2417 * SendMessageTimeoutA (USER32.@)
2419 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2420 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2422 struct send_message_info info;
2424 LRESULT ret, result;
2426 info.type = MSG_ASCII;
2429 info.wparam = wparam;
2430 info.lparam = lparam;
2432 info.timeout = timeout;
2434 if (is_broadcast(hwnd))
2436 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2437 if (res_ptr) *res_ptr = 1;
2441 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2443 if (USER_IsExitingThread( info.dest_tid )) return 0;
2445 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2447 if (info.dest_tid == GetCurrentThreadId())
2449 result = call_window_proc( hwnd, msg, wparam, lparam, FALSE, TRUE );
2452 else if (dest_pid == GetCurrentProcessId())
2454 ret = send_inter_thread_message( &info, &result );
2458 /* inter-process message: need to map to Unicode */
2459 info.type = MSG_OTHER_PROCESS;
2460 if (is_unicode_message( info.msg ))
2461 ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info.hwnd, info.msg,
2462 info.wparam, info.lparam, &result, &info );
2463 else ret = send_inter_thread_message( &info, &result );
2465 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2466 if (ret && res_ptr) *res_ptr = result;
2471 /***********************************************************************
2472 * SendMessageW (USER32.@)
2474 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2477 SendMessageTimeoutW( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2482 /***********************************************************************
2483 * SendMessageA (USER32.@)
2485 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2488 SendMessageTimeoutA( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2493 /***********************************************************************
2494 * SendNotifyMessageA (USER32.@)
2496 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2498 return SendNotifyMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2502 /***********************************************************************
2503 * SendNotifyMessageW (USER32.@)
2505 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2507 struct send_message_info info;
2510 if (is_pointer_message(msg))
2512 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2516 info.type = MSG_NOTIFY;
2519 info.wparam = wparam;
2520 info.lparam = lparam;
2523 if (is_broadcast(hwnd))
2525 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2529 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2531 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
2533 if (info.dest_tid == GetCurrentThreadId())
2535 call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2538 return send_inter_thread_message( &info, &result );
2542 /***********************************************************************
2543 * SendMessageCallbackA (USER32.@)
2545 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2546 SENDASYNCPROC callback, ULONG_PTR data )
2548 return SendMessageCallbackW( hwnd, msg, map_wparam_AtoW( msg, wparam ),
2549 lparam, callback, data );
2553 /***********************************************************************
2554 * SendMessageCallbackW (USER32.@)
2556 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2557 SENDASYNCPROC callback, ULONG_PTR data )
2559 struct send_message_info info;
2562 if (is_pointer_message(msg))
2564 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2568 info.type = MSG_CALLBACK;
2571 info.wparam = wparam;
2572 info.lparam = lparam;
2573 info.callback = callback;
2577 if (is_broadcast(hwnd))
2579 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2583 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2585 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
2587 if (info.dest_tid == GetCurrentThreadId())
2589 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2590 call_sendmsg_callback( callback, hwnd, msg, data, result );
2593 return send_inter_thread_message( &info, &result );
2597 /***********************************************************************
2598 * ReplyMessage (USER32.@)
2600 BOOL WINAPI ReplyMessage( LRESULT result )
2602 struct received_message_info *info = get_user_thread_info()->receive_info;
2604 if (!info) return FALSE;
2605 reply_message( info, result, FALSE );
2610 /***********************************************************************
2611 * InSendMessage (USER32.@)
2613 BOOL WINAPI InSendMessage(void)
2615 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
2619 /***********************************************************************
2620 * InSendMessageEx (USER32.@)
2622 DWORD WINAPI InSendMessageEx( LPVOID reserved )
2624 struct received_message_info *info = get_user_thread_info()->receive_info;
2626 if (info) return info->flags;
2627 return ISMEX_NOSEND;
2631 /***********************************************************************
2632 * PostMessageA (USER32.@)
2634 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2636 return PostMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2640 /***********************************************************************
2641 * PostMessageW (USER32.@)
2643 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2645 struct send_message_info info;
2647 if (is_pointer_message( msg ))
2649 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2653 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2654 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
2656 info.type = MSG_POSTED;
2659 info.wparam = wparam;
2660 info.lparam = lparam;
2663 if (is_broadcast(hwnd))
2665 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2669 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
2671 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2673 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
2675 return put_message_in_queue( &info, NULL );
2679 /**********************************************************************
2680 * PostThreadMessageA (USER32.@)
2682 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2684 return PostThreadMessageW( thread, msg, map_wparam_AtoW( msg, wparam ), lparam );
2688 /**********************************************************************
2689 * PostThreadMessageW (USER32.@)
2691 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2693 struct send_message_info info;
2695 if (is_pointer_message( msg ))
2697 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2700 if (USER_IsExitingThread( thread )) return TRUE;
2702 info.type = MSG_POSTED;
2703 info.dest_tid = thread;
2706 info.wparam = wparam;
2707 info.lparam = lparam;
2709 return put_message_in_queue( &info, NULL );
2713 /***********************************************************************
2714 * PostQuitMessage (USER32.@)
2716 * Posts a quit message to the current thread's message queue.
2719 * exit_code [I] Exit code to return from message loop.
2725 * This function is not the same as calling:
2726 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
2727 * It instead sets a flag in the message queue that signals it to generate
2728 * a WM_QUIT message when there are no other pending sent or posted messages
2731 void WINAPI PostQuitMessage( INT exit_code )
2733 SERVER_START_REQ( post_quit_message )
2735 req->exit_code = exit_code;
2736 wine_server_call( req );
2742 /***********************************************************************
2743 * PeekMessageW (USER32.@)
2745 BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
2747 struct user_thread_info *thread_info = get_user_thread_info();
2751 FIXME("PM_QS_xxxx flags (%04x) are not handled\n", flags >> 16);
2753 USER_CheckNotLock();
2755 /* check for graphics events */
2756 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
2758 hwnd = WIN_GetFullHandle( hwnd );
2762 if (!peek_message( &msg, hwnd, first, last, (flags & PM_REMOVE) ? GET_MSG_REMOVE : 0 ))
2764 if (!(flags & PM_NOYIELD))
2767 ReleaseThunkLock(&count);
2769 if (count) RestoreThunkLock(count);
2773 if (msg.message & 0x80000000)
2775 if (!(flags & PM_REMOVE))
2777 /* Have to remove the message explicitly.
2778 Do this before handling it, because the message handler may
2779 call PeekMessage again */
2780 peek_message( &msg, msg.hwnd, msg.message, msg.message, GET_MSG_REMOVE );
2782 handle_internal_message( msg.hwnd, msg.message, msg.wParam, msg.lParam );
2787 thread_info->GetMessageTimeVal = msg.time;
2788 msg.pt.x = (short)LOWORD( thread_info->GetMessagePosVal );
2789 msg.pt.y = (short)HIWORD( thread_info->GetMessagePosVal );
2791 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)&msg, TRUE );
2793 /* copy back our internal safe copy of message data to msg_out.
2794 * msg_out is a variable from the *program*, so it can't be used
2795 * internally as it can get "corrupted" by our use of SendMessage()
2796 * (back to the program) inside the message handling itself. */
2799 SetLastError( ERROR_NOACCESS );
2807 /***********************************************************************
2808 * PeekMessageA (USER32.@)
2810 BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
2812 BOOL ret = PeekMessageW( msg, hwnd, first, last, flags );
2813 if (ret) msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2818 /***********************************************************************
2819 * GetMessageW (USER32.@)
2821 BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
2823 HANDLE server_queue = get_server_queue_handle();
2824 int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
2828 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
2829 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
2830 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
2831 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
2832 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
2833 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
2835 else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
2837 while (!PeekMessageW( msg, hwnd, first, last, PM_REMOVE ))
2839 /* wait until one of the bits is set */
2840 unsigned int wake_bits = 0, changed_bits = 0;
2843 SERVER_START_REQ( set_queue_mask )
2845 req->wake_mask = QS_SENDMESSAGE;
2846 req->changed_mask = mask;
2848 if (!wine_server_call( req ))
2850 wake_bits = reply->wake_bits;
2851 changed_bits = reply->changed_bits;
2856 if (changed_bits & mask) continue;
2857 if (wake_bits & QS_SENDMESSAGE) continue;
2859 TRACE( "(%04x) mask=%08x, bits=%08x, changed=%08x, waiting\n",
2860 GetCurrentThreadId(), mask, wake_bits, changed_bits );
2862 ReleaseThunkLock( &dwlc );
2863 USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue, INFINITE, QS_ALLINPUT, 0 );
2864 if (dwlc) RestoreThunkLock( dwlc );
2867 return (msg->message != WM_QUIT);
2871 /***********************************************************************
2872 * GetMessageA (USER32.@)
2874 BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
2876 GetMessageW( msg, hwnd, first, last );
2877 msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2878 return (msg->message != WM_QUIT);
2882 /***********************************************************************
2883 * IsDialogMessageA (USER32.@)
2884 * IsDialogMessage (USER32.@)
2886 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
2889 msg.wParam = map_wparam_AtoW( msg.message, msg.wParam );
2890 return IsDialogMessageW( hwndDlg, &msg );
2894 /***********************************************************************
2895 * TranslateMessage (USER32.@)
2897 * Implementation of TranslateMessage.
2899 * TranslateMessage translates virtual-key messages into character-messages,
2901 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2902 * ditto replacing WM_* with WM_SYS*
2903 * This produces WM_CHAR messages only for keys mapped to ASCII characters
2904 * by the keyboard driver.
2906 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
2907 * return value is nonzero, regardless of the translation.
2910 BOOL WINAPI TranslateMessage( const MSG *msg )
2916 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
2917 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
2919 TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
2920 SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
2922 GetKeyboardState( state );
2923 /* FIXME : should handle ToUnicode yielding 2 */
2924 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
2927 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2928 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2929 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2930 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2934 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2935 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2936 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2937 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2944 /***********************************************************************
2945 * DispatchMessageA (USER32.@)
2947 * See DispatchMessageW.
2949 LONG WINAPI DispatchMessageA( const MSG* msg )
2955 /* Process timer messages */
2956 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2958 if (msg->lParam) return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2959 msg->message, msg->wParam, GetTickCount() );
2962 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2964 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2967 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2969 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2970 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2973 if (wndPtr->tid != GetCurrentThreadId())
2975 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2976 WIN_ReleasePtr( wndPtr );
2979 winproc = wndPtr->winproc;
2980 WIN_ReleasePtr( wndPtr );
2982 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2983 msg->wParam, msg->lParam );
2984 retval = CallWindowProcA( winproc, msg->hwnd, msg->message,
2985 msg->wParam, msg->lParam );
2986 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2987 msg->wParam, msg->lParam );
2989 if (msg->message == WM_PAINT)
2991 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
2992 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
2993 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
2994 DeleteObject( hrgn );
3000 /***********************************************************************
3001 * DispatchMessageW (USER32.@) Process a message
3003 * Process the message specified in the structure *_msg_.
3005 * If the lpMsg parameter points to a WM_TIMER message and the
3006 * parameter of the WM_TIMER message is not NULL, the lParam parameter
3007 * points to the function that is called instead of the window
3010 * The message must be valid.
3014 * DispatchMessage() returns the result of the window procedure invoked.
3021 LONG WINAPI DispatchMessageW( const MSG* msg )
3027 /* Process timer messages */
3028 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3030 if (msg->lParam) return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
3031 msg->message, msg->wParam, GetTickCount() );
3034 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
3036 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3039 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
3041 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3042 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3045 if (wndPtr->tid != GetCurrentThreadId())
3047 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3048 WIN_ReleasePtr( wndPtr );
3051 winproc = wndPtr->winproc;
3052 WIN_ReleasePtr( wndPtr );
3054 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3055 msg->wParam, msg->lParam );
3056 retval = CallWindowProcW( winproc, msg->hwnd, msg->message,
3057 msg->wParam, msg->lParam );
3058 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3059 msg->wParam, msg->lParam );
3061 if (msg->message == WM_PAINT)
3063 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3064 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3065 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3066 DeleteObject( hrgn );
3072 /***********************************************************************
3073 * GetMessagePos (USER.119)
3074 * GetMessagePos (USER32.@)
3076 * The GetMessagePos() function returns a long value representing a
3077 * cursor position, in screen coordinates, when the last message
3078 * retrieved by the GetMessage() function occurs. The x-coordinate is
3079 * in the low-order word of the return value, the y-coordinate is in
3080 * the high-order word. The application can use the MAKEPOINT()
3081 * macro to obtain a POINT structure from the return value.
3083 * For the current cursor position, use GetCursorPos().
3087 * Cursor position of last message on success, zero on failure.
3094 DWORD WINAPI GetMessagePos(void)
3096 return get_user_thread_info()->GetMessagePosVal;
3100 /***********************************************************************
3101 * GetMessageTime (USER.120)
3102 * GetMessageTime (USER32.@)
3104 * GetMessageTime() returns the message time for the last message
3105 * retrieved by the function. The time is measured in milliseconds with
3106 * the same offset as GetTickCount().
3108 * Since the tick count wraps, this is only useful for moderately short
3109 * relative time comparisons.
3113 * Time of last message on success, zero on failure.
3115 LONG WINAPI GetMessageTime(void)
3117 return get_user_thread_info()->GetMessageTimeVal;
3121 /***********************************************************************
3122 * GetMessageExtraInfo (USER.288)
3123 * GetMessageExtraInfo (USER32.@)
3125 LPARAM WINAPI GetMessageExtraInfo(void)
3127 return get_user_thread_info()->GetMessageExtraInfoVal;
3131 /***********************************************************************
3132 * SetMessageExtraInfo (USER32.@)
3134 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3136 struct user_thread_info *thread_info = get_user_thread_info();
3137 LONG old_value = thread_info->GetMessageExtraInfoVal;
3138 thread_info->GetMessageExtraInfoVal = lParam;
3143 /***********************************************************************
3144 * WaitMessage (USER.112) Suspend thread pending messages
3145 * WaitMessage (USER32.@) Suspend thread pending messages
3147 * WaitMessage() suspends a thread until events appear in the thread's
3150 BOOL WINAPI WaitMessage(void)
3152 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3156 /***********************************************************************
3157 * MsgWaitForMultipleObjectsEx (USER32.@)
3159 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3160 DWORD timeout, DWORD mask, DWORD flags )
3162 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3165 if (count > MAXIMUM_WAIT_OBJECTS-1)
3167 SetLastError( ERROR_INVALID_PARAMETER );
3171 /* set the queue mask */
3172 SERVER_START_REQ( set_queue_mask )
3174 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3175 req->changed_mask = mask;
3177 wine_server_call( req );
3181 /* Add the thread event to the handle list */
3182 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3183 handles[count] = get_server_queue_handle();
3185 ReleaseThunkLock( &lock );
3186 ret = USER_Driver->pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
3187 if (ret == count+1) ret = count; /* pretend the msg queue is ready */
3188 if (lock) RestoreThunkLock( lock );
3193 /***********************************************************************
3194 * MsgWaitForMultipleObjects (USER32.@)
3196 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3197 BOOL wait_all, DWORD timeout, DWORD mask )
3199 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3200 wait_all ? MWMO_WAITALL : 0 );
3204 /***********************************************************************
3205 * WaitForInputIdle (USER32.@)
3207 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3209 DWORD start_time, elapsed, ret;
3212 handles[0] = hProcess;
3213 SERVER_START_REQ( get_process_idle_event )
3215 req->handle = hProcess;
3216 if (!(ret = wine_server_call_err( req ))) handles[1] = reply->event;
3219 if (ret) return WAIT_FAILED; /* error */
3220 if (!handles[1]) return 0; /* no event to wait on */
3222 start_time = GetTickCount();
3225 TRACE("waiting for %p\n", handles[1] );
3228 ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3233 case WAIT_OBJECT_0+2:
3234 process_sent_messages();
3238 TRACE("timeout or error\n");
3241 TRACE("finished\n");
3244 if (dwTimeOut != INFINITE)
3246 elapsed = GetTickCount() - start_time;
3247 if (elapsed > dwTimeOut)
3253 return WAIT_TIMEOUT;
3257 /***********************************************************************
3258 * UserYield (USER.332)
3260 void WINAPI UserYield16(void)
3264 /* Handle sent messages */
3265 process_sent_messages();
3268 ReleaseThunkLock(&count);
3272 RestoreThunkLock(count);
3273 /* Handle sent messages again */
3274 process_sent_messages();
3279 /***********************************************************************
3280 * RegisterWindowMessageA (USER32.@)
3281 * RegisterWindowMessage (USER.118)
3283 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
3285 UINT ret = GlobalAddAtomA(str);
3286 TRACE("%s, ret=%x\n", str, ret);
3291 /***********************************************************************
3292 * RegisterWindowMessageW (USER32.@)
3294 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
3296 UINT ret = GlobalAddAtomW(str);
3297 TRACE("%s ret=%x\n", debugstr_w(str), ret);
3302 /***********************************************************************
3303 * BroadcastSystemMessageA (USER32.@)
3304 * BroadcastSystemMessage (USER32.@)
3306 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3308 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3310 FIXME( "(%08x,%08x,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3311 PostMessageA( HWND_BROADCAST, msg, wp, lp );
3316 FIXME( "(%08x,%08x,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp);
3322 /***********************************************************************
3323 * BroadcastSystemMessageW (USER32.@)
3325 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3327 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3329 FIXME( "(%08x,%08x,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3330 PostMessageW( HWND_BROADCAST, msg, wp, lp );
3335 FIXME( "(%08x,%08x,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp );
3341 /***********************************************************************
3342 * SetMessageQueue (USER32.@)
3344 BOOL WINAPI SetMessageQueue( INT size )
3346 /* now obsolete the message queue will be expanded dynamically as necessary */
3351 /***********************************************************************
3352 * MessageBeep (USER32.@)
3354 BOOL WINAPI MessageBeep( UINT i )
3357 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
3358 if (active) USER_Driver->pBeep();
3363 /***********************************************************************
3364 * SetTimer (USER32.@)
3366 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3369 WNDPROC winproc = 0;
3371 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, NULL );
3373 SERVER_START_REQ( set_win_timer )
3376 req->msg = WM_TIMER;
3378 req->rate = max( timeout, SYS_TIMER_RATE );
3379 req->lparam = (unsigned long)winproc;
3380 if (!wine_server_call_err( req ))
3383 if (!ret) ret = TRUE;
3389 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3394 /***********************************************************************
3395 * SetSystemTimer (USER32.@)
3397 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3400 WNDPROC winproc = 0;
3402 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, NULL );
3404 SERVER_START_REQ( set_win_timer )
3407 req->msg = WM_SYSTIMER;
3409 req->rate = max( timeout, SYS_TIMER_RATE );
3410 req->lparam = (unsigned long)winproc;
3411 if (!wine_server_call_err( req ))
3414 if (!ret) ret = TRUE;
3420 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3425 /***********************************************************************
3426 * KillTimer (USER32.@)
3428 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
3432 TRACE("%p %d\n", hwnd, id );
3434 SERVER_START_REQ( kill_win_timer )
3437 req->msg = WM_TIMER;
3439 ret = !wine_server_call_err( req );
3446 /***********************************************************************
3447 * KillSystemTimer (USER32.@)
3449 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
3453 TRACE("%p %d\n", hwnd, id );
3455 SERVER_START_REQ( kill_win_timer )
3458 req->msg = WM_SYSTIMER;
3460 ret = !wine_server_call_err( req );
3467 /**********************************************************************
3468 * GetGUIThreadInfo (USER32.@)
3470 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
3474 SERVER_START_REQ( get_thread_input )
3477 if ((ret = !wine_server_call_err( req )))
3480 info->hwndActive = reply->active;
3481 info->hwndFocus = reply->focus;
3482 info->hwndCapture = reply->capture;
3483 info->hwndMenuOwner = reply->menu_owner;
3484 info->hwndMoveSize = reply->move_size;
3485 info->hwndCaret = reply->caret;
3486 info->rcCaret.left = reply->rect.left;
3487 info->rcCaret.top = reply->rect.top;
3488 info->rcCaret.right = reply->rect.right;
3489 info->rcCaret.bottom = reply->rect.bottom;
3490 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
3491 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
3492 if (reply->caret) info->flags |= GUI_CARETBLINKING;
3500 /******************************************************************
3501 * IsHungAppWindow (USER32.@)
3504 BOOL WINAPI IsHungAppWindow( HWND hWnd )
3507 return !SendMessageTimeoutA(hWnd, WM_NULL, 0, 0, SMTO_ABORTIFHUNG, 5000, &dwResult);