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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
35 #include "wine/unicode.h"
36 #include "wine/server.h"
37 #include "user_private.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(msg);
45 WINE_DECLARE_DEBUG_CHANNEL(relay);
46 WINE_DECLARE_DEBUG_CHANNEL(key);
48 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
49 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
51 #define MAX_PACK_COUNT 4
52 #define MAX_SENDMSG_RECURSION 64
54 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
56 /* description of the data fields that need to be packed along with a sent message */
60 const void *data[MAX_PACK_COUNT];
61 size_t size[MAX_PACK_COUNT];
64 /* info about the message currently being received by the current thread */
65 struct received_message_info
67 enum message_type type;
69 UINT flags; /* InSendMessageEx return flags */
70 HWINEVENTHOOK hook; /* winevent hook handle */
71 WINEVENTPROC hook_proc; /* winevent hook proc address */
74 /* structure to group all parameters for sent messages of the various kinds */
75 struct send_message_info
77 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_WINE_SETWINDOWPOS:
606 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
608 case WM_WINE_KEYBOARD_LL_HOOK:
609 push_data( data, (KBDLLHOOKSTRUCT *)lparam, sizeof(KBDLLHOOKSTRUCT) );
611 case WM_WINE_MOUSE_LL_HOOK:
612 push_data( data, (MSLLHOOKSTRUCT *)lparam, sizeof(MSLLHOOKSTRUCT) );
615 if (!wparam) return 0;
618 /* these contain an HFONT */
621 /* these contain an HDC */
623 case WM_ICONERASEBKGND:
625 case WM_CTLCOLORMSGBOX:
626 case WM_CTLCOLOREDIT:
627 case WM_CTLCOLORLISTBOX:
630 case WM_CTLCOLORSCROLLBAR:
631 case WM_CTLCOLORSTATIC:
634 /* these contain an HGLOBAL */
635 case WM_PAINTCLIPBOARD:
636 case WM_SIZECLIPBOARD:
637 /* these contain HICON */
640 case WM_QUERYDRAGICON:
641 case WM_QUERYPARKICON:
642 /* these contain pointers */
644 case WM_QUERYDROPOBJECT:
648 case WM_DEVICECHANGE:
649 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
657 /***********************************************************************
660 * Unpack a message received from another process.
662 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
663 void **buffer, size_t size )
672 CREATESTRUCTW *cs = *buffer;
673 WCHAR *str = (WCHAR *)(cs + 1);
674 if (size < sizeof(*cs)) return FALSE;
676 if (HIWORD(cs->lpszName))
678 if (!check_string( str, size )) return FALSE;
680 size -= (strlenW(str) + 1) * sizeof(WCHAR);
681 str += strlenW(str) + 1;
683 if (HIWORD(cs->lpszClass))
685 if (!check_string( str, size )) return FALSE;
691 case WM_ASKCBFORMATNAME:
692 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
694 case WM_WININICHANGE:
695 if (!*lparam) return TRUE;
698 case WM_DEVMODECHANGE:
703 if (!check_string( *buffer, size )) return FALSE;
705 case WM_GETMINMAXINFO:
706 minsize = sizeof(MINMAXINFO);
709 minsize = sizeof(DRAWITEMSTRUCT);
712 minsize = sizeof(MEASUREITEMSTRUCT);
715 minsize = sizeof(DELETEITEMSTRUCT);
718 minsize = sizeof(COMPAREITEMSTRUCT);
720 case WM_WINDOWPOSCHANGING:
721 case WM_WINDOWPOSCHANGED:
722 case WM_WINE_SETWINDOWPOS:
723 minsize = sizeof(WINDOWPOS);
727 COPYDATASTRUCT *cp = *buffer;
728 if (size < sizeof(*cp)) return FALSE;
731 minsize = sizeof(*cp) + cp->cbData;
737 /* WM_NOTIFY cannot be sent across processes (MSDN) */
740 minsize = sizeof(HELPINFO);
742 case WM_STYLECHANGING:
743 case WM_STYLECHANGED:
744 minsize = sizeof(STYLESTRUCT);
747 if (!*wparam) minsize = sizeof(RECT);
750 NCCALCSIZE_PARAMS *nc = *buffer;
751 if (size < sizeof(*nc) + sizeof(*nc->lppos)) return FALSE;
752 nc->lppos = (WINDOWPOS *)(nc + 1);
756 if (!*lparam) return TRUE;
757 minsize = sizeof(MSG);
759 case SBM_SETSCROLLINFO:
760 minsize = sizeof(SCROLLINFO);
762 case SBM_GETSCROLLINFO:
763 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
765 case SBM_GETSCROLLBARINFO:
766 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
771 if (*wparam || *lparam)
773 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
774 if (*wparam) *wparam = (WPARAM)*buffer;
775 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
780 case CB_GETDROPPEDCONTROLRECT:
781 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
785 minsize = sizeof(RECT);
790 if (size < sizeof(WORD)) return FALSE;
791 len = *(WORD *)*buffer;
792 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
793 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
798 if (!*wparam) return TRUE;
799 minsize = *wparam * sizeof(UINT);
802 case CB_INSERTSTRING:
804 case CB_FINDSTRINGEXACT:
805 case CB_SELECTSTRING:
807 case LB_INSERTSTRING:
809 case LB_FINDSTRINGEXACT:
810 case LB_SELECTSTRING:
811 if (!*buffer) return TRUE;
812 if (!check_string( *buffer, size )) return FALSE;
816 size = sizeof(ULONG_PTR);
817 if (combobox_has_strings( hwnd ))
818 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
819 if (!get_buffer_space( buffer, size )) return FALSE;
824 size = sizeof(ULONG_PTR);
825 if (listbox_has_strings( hwnd ))
826 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
827 if (!get_buffer_space( buffer, size )) return FALSE;
831 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
834 minsize = sizeof(MDINEXTMENU);
835 if (!get_buffer_space( buffer, sizeof(MDINEXTMENU) )) return FALSE;
839 minsize = sizeof(RECT);
840 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
844 MDICREATESTRUCTW *cs = *buffer;
845 WCHAR *str = (WCHAR *)(cs + 1);
846 if (size < sizeof(*cs)) return FALSE;
848 if (HIWORD(cs->szTitle))
850 if (!check_string( str, size )) return FALSE;
852 size -= (strlenW(str) + 1) * sizeof(WCHAR);
853 str += strlenW(str) + 1;
855 if (HIWORD(cs->szClass))
857 if (!check_string( str, size )) return FALSE;
862 case WM_MDIGETACTIVE:
863 if (!*lparam) return TRUE;
864 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
866 case WM_WINE_KEYBOARD_LL_HOOK:
867 minsize = sizeof(KBDLLHOOKSTRUCT);
869 case WM_WINE_MOUSE_LL_HOOK:
870 minsize = sizeof(MSLLHOOKSTRUCT);
873 if (!*wparam) return TRUE;
876 /* these contain an HFONT */
879 /* these contain an HDC */
881 case WM_ICONERASEBKGND:
883 case WM_CTLCOLORMSGBOX:
884 case WM_CTLCOLOREDIT:
885 case WM_CTLCOLORLISTBOX:
888 case WM_CTLCOLORSCROLLBAR:
889 case WM_CTLCOLORSTATIC:
892 /* these contain an HGLOBAL */
893 case WM_PAINTCLIPBOARD:
894 case WM_SIZECLIPBOARD:
895 /* these contain HICON */
898 case WM_QUERYDRAGICON:
899 case WM_QUERYPARKICON:
900 /* these contain pointers */
902 case WM_QUERYDROPOBJECT:
906 case WM_DEVICECHANGE:
907 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
911 return TRUE; /* message doesn't need any unpacking */
914 /* default exit for most messages: check minsize and store buffer in lparam */
915 if (size < minsize) return FALSE;
916 *lparam = (LPARAM)*buffer;
921 /***********************************************************************
924 * Pack a reply to a message for sending to another process.
926 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
927 LRESULT res, struct packed_message *data )
934 push_data( data, (CREATESTRUCTW *)lparam, sizeof(CREATESTRUCTW) );
939 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
941 case WM_GETMINMAXINFO:
942 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
945 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
947 case WM_WINDOWPOSCHANGING:
948 case WM_WINDOWPOSCHANGED:
949 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
952 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
954 case SBM_GETSCROLLINFO:
955 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
959 case CB_GETDROPPEDCONTROLRECT:
962 push_data( data, (RECT *)lparam, sizeof(RECT) );
966 WORD *ptr = (WORD *)lparam;
967 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
971 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
973 case WM_MDIGETACTIVE:
974 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
978 push_data( data, (RECT *)lparam, sizeof(RECT) );
981 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
982 push_data( data, nc, sizeof(*nc) );
983 push_data( data, nc->lppos, sizeof(*nc->lppos) );
989 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
990 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
993 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
996 push_data( data, (MDICREATESTRUCTW *)lparam, sizeof(MDICREATESTRUCTW) );
998 case WM_ASKCBFORMATNAME:
999 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1005 /***********************************************************************
1008 * Unpack a message reply received from another process.
1010 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1011 void *buffer, size_t size )
1018 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1019 LPCWSTR name = cs->lpszName, class = cs->lpszClass;
1020 memcpy( cs, buffer, min( sizeof(*cs), size ));
1021 cs->lpszName = name; /* restore the original pointers */
1022 cs->lpszClass = class;
1026 case WM_ASKCBFORMATNAME:
1027 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1029 case WM_GETMINMAXINFO:
1030 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1032 case WM_MEASUREITEM:
1033 memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size ));
1035 case WM_WINDOWPOSCHANGING:
1036 case WM_WINDOWPOSCHANGED:
1037 memcpy( (WINDOWPOS *)lparam, buffer, min( sizeof(WINDOWPOS), size ));
1040 if (lparam) memcpy( (MSG *)lparam, buffer, min( sizeof(MSG), size ));
1042 case SBM_GETSCROLLINFO:
1043 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1045 case SBM_GETSCROLLBARINFO:
1046 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1049 case CB_GETDROPPEDCONTROLRECT:
1050 case LB_GETITEMRECT:
1053 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1056 size = min( size, (size_t)*(WORD *)lparam );
1057 memcpy( (WCHAR *)lparam, buffer, size );
1059 case LB_GETSELITEMS:
1060 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1064 memcpy( (WCHAR *)lparam, buffer, size );
1067 memcpy( (MDINEXTMENU *)lparam, buffer, min( sizeof(MDINEXTMENU), size ));
1069 case WM_MDIGETACTIVE:
1070 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1074 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1077 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1078 WINDOWPOS *wp = nc->lppos;
1079 memcpy( nc, buffer, min( sizeof(*nc), size ));
1080 if (size > sizeof(*nc))
1082 size -= sizeof(*nc);
1083 memcpy( wp, (NCCALCSIZE_PARAMS*)buffer + 1, min( sizeof(*wp), size ));
1085 nc->lppos = wp; /* restore the original pointer */
1093 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1094 if (size <= sizeof(DWORD)) break;
1095 size -= sizeof(DWORD);
1096 buffer = (DWORD *)buffer + 1;
1098 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1102 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
1103 LPCWSTR title = cs->szTitle, class = cs->szClass;
1104 memcpy( cs, buffer, min( sizeof(*cs), size ));
1105 cs->szTitle = title; /* restore the original pointers */
1106 cs->szClass = class;
1110 ERR( "should not happen: unexpected message %x\n", message );
1116 /***********************************************************************
1119 * Send a reply to a sent message.
1121 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1123 struct packed_message data;
1124 int i, replied = info->flags & ISMEX_REPLIED;
1126 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1127 if (!remove && replied) return; /* replied already */
1130 info->flags |= ISMEX_REPLIED;
1132 if (info->type == MSG_OTHER_PROCESS && !replied)
1134 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1135 info->msg.lParam, result, &data );
1138 SERVER_START_REQ( reply_message )
1140 req->result = result;
1141 req->remove = remove;
1142 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1143 wine_server_call( req );
1149 /***********************************************************************
1150 * handle_internal_message
1152 * Handle an internal Wine message instead of calling the window proc.
1154 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1156 if (hwnd == GetDesktopWindow()) return 0;
1159 case WM_WINE_DESTROYWINDOW:
1160 return WIN_DestroyWindow( hwnd );
1161 case WM_WINE_SETWINDOWPOS:
1162 return USER_Driver->pSetWindowPos( (WINDOWPOS *)lparam );
1163 case WM_WINE_SHOWWINDOW:
1164 return ShowWindow( hwnd, wparam );
1165 case WM_WINE_SETPARENT:
1166 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1167 case WM_WINE_SETWINDOWLONG:
1168 return (LRESULT)SetWindowLongW( hwnd, wparam, lparam );
1169 case WM_WINE_ENABLEWINDOW:
1170 return EnableWindow( hwnd, wparam );
1171 case WM_WINE_SETACTIVEWINDOW:
1172 return (LRESULT)SetActiveWindow( (HWND)wparam );
1173 case WM_WINE_KEYBOARD_LL_HOOK:
1174 return HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, wparam, lparam, TRUE );
1175 case WM_WINE_MOUSE_LL_HOOK:
1176 return HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, wparam, lparam, TRUE );
1178 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1179 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1180 FIXME( "unknown internal message %x\n", msg );
1185 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1186 * to the memory handle, we keep track (in the server side) of all pairs of handle
1187 * used (the client passes its value and the content of the memory handle), and
1188 * the server stored both values (the client, and the local one, created after the
1189 * content). When a ACK message is generated, the list of pair is searched for a
1190 * matching pair, so that the client memory handle can be returned.
1193 HGLOBAL client_hMem;
1194 HGLOBAL server_hMem;
1197 static struct DDE_pair* dde_pairs;
1198 static int dde_num_alloc;
1199 static int dde_num_used;
1201 static CRITICAL_SECTION dde_crst;
1202 static CRITICAL_SECTION_DEBUG critsect_debug =
1205 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1206 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1208 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1210 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1215 EnterCriticalSection(&dde_crst);
1217 /* now remember the pair of hMem on both sides */
1218 if (dde_num_used == dde_num_alloc)
1220 struct DDE_pair* tmp;
1222 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1223 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1225 tmp = HeapAlloc( GetProcessHeap(), 0,
1226 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1230 LeaveCriticalSection(&dde_crst);
1234 /* zero out newly allocated part */
1235 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1236 dde_num_alloc += GROWBY;
1239 for (i = 0; i < dde_num_alloc; i++)
1241 if (dde_pairs[i].server_hMem == 0)
1243 dde_pairs[i].client_hMem = chm;
1244 dde_pairs[i].server_hMem = shm;
1249 LeaveCriticalSection(&dde_crst);
1253 static HGLOBAL dde_get_pair(HGLOBAL shm)
1258 EnterCriticalSection(&dde_crst);
1259 for (i = 0; i < dde_num_alloc; i++)
1261 if (dde_pairs[i].server_hMem == shm)
1263 /* free this pair */
1264 dde_pairs[i].server_hMem = 0;
1266 ret = dde_pairs[i].client_hMem;
1270 LeaveCriticalSection(&dde_crst);
1274 /***********************************************************************
1277 * Post a DDE message
1279 static BOOL post_dde_message( DWORD dest_tid, struct packed_message *data, const struct send_message_info *info )
1283 UINT_PTR uiLo, uiHi;
1285 HGLOBAL hunlock = 0;
1289 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1295 /* DDE messages which don't require packing are:
1304 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
1305 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
1308 /* send back the value of h on the other side */
1309 push_data( data, &h, sizeof(HGLOBAL) );
1311 TRACE( "send dde-ack %x %08x => %p\n", uiLo, uiHi, h );
1316 /* uiHi should contain either an atom or 0 */
1317 TRACE( "send dde-ack %x atom=%x\n", uiLo, uiHi );
1318 lp = MAKELONG( uiLo, uiHi );
1327 size = GlobalSize( (HGLOBAL)uiLo ) ;
1328 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
1329 (info->msg == WM_DDE_DATA && size < sizeof(DDEDATA)) ||
1330 (info->msg == WM_DDE_POKE && size < sizeof(DDEPOKE))
1334 else if (info->msg != WM_DDE_DATA) return FALSE;
1339 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
1341 DDEDATA *dde_data = (DDEDATA *)ptr;
1342 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
1343 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
1344 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
1345 push_data( data, ptr, size );
1346 hunlock = (HGLOBAL)uiLo;
1349 TRACE( "send ddepack %u %x\n", size, uiHi );
1351 case WM_DDE_EXECUTE:
1354 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
1356 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
1357 /* so that the other side can send it back on ACK */
1359 hunlock = (HGLOBAL)info->lparam;
1364 SERVER_START_REQ( send_message )
1367 req->type = info->type;
1369 req->win = info->hwnd;
1370 req->msg = info->msg;
1371 req->wparam = info->wparam;
1373 req->time = GetCurrentTime();
1375 for (i = 0; i < data->count; i++)
1376 wine_server_add_data( req, data->data[i], data->size[i] );
1377 if ((res = wine_server_call( req )))
1379 if (res == STATUS_INVALID_PARAMETER)
1380 /* FIXME: find a STATUS_ value for this one */
1381 SetLastError( ERROR_INVALID_THREAD_ID );
1383 SetLastError( RtlNtStatusToDosError(res) );
1386 FreeDDElParam(info->msg, info->lparam);
1389 if (hunlock) GlobalUnlock(hunlock);
1394 /***********************************************************************
1395 * unpack_dde_message
1397 * Unpack a posted DDE message received from another process.
1399 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1400 void **buffer, size_t size )
1402 UINT_PTR uiLo, uiHi;
1411 /* hMem is being passed */
1412 if (size != sizeof(HGLOBAL)) return FALSE;
1413 if (!buffer || !*buffer) return FALSE;
1415 memcpy( &hMem, *buffer, size );
1416 uiHi = (UINT_PTR)hMem;
1417 TRACE("recv dde-ack %x mem=%x[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
1421 uiLo = LOWORD( *lparam );
1422 uiHi = HIWORD( *lparam );
1423 TRACE("recv dde-ack %x atom=%x\n", uiLo, uiHi);
1425 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
1430 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
1432 TRACE( "recv ddepack %u %x\n", size, uiHi );
1435 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
1437 if ((ptr = GlobalLock( hMem )))
1439 memcpy( ptr, *buffer, size );
1440 GlobalUnlock( hMem );
1448 uiLo = (UINT_PTR)hMem;
1450 *lparam = PackDDElParam( message, uiLo, uiHi );
1452 case WM_DDE_EXECUTE:
1455 if (!buffer || !*buffer) return FALSE;
1456 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
1457 if ((ptr = GlobalLock( hMem )))
1459 memcpy( ptr, *buffer, size );
1460 GlobalUnlock( hMem );
1461 TRACE( "exec: pairing c=%08lx s=%08lx\n", *lparam, (DWORD)hMem );
1462 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
1473 } else return FALSE;
1474 *lparam = (LPARAM)hMem;
1480 /***********************************************************************
1483 * Call a window procedure and the corresponding hooks.
1485 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
1486 BOOL unicode, BOOL same_thread )
1488 struct user_thread_info *thread_info = get_user_thread_info();
1492 CWPRETSTRUCT cwpret;
1494 if (thread_info->recursion_count > MAX_SENDMSG_RECURSION) return 0;
1495 thread_info->recursion_count++;
1497 if (msg & 0x80000000)
1499 result = handle_internal_message( hwnd, msg, wparam, lparam );
1503 /* first the WH_CALLWNDPROC hook */
1504 hwnd = WIN_GetFullHandle( hwnd );
1505 cwp.lParam = lparam;
1506 cwp.wParam = wparam;
1509 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
1511 /* now call the window procedure */
1514 if (!(winproc = (WNDPROC)GetWindowLongPtrW( hwnd, GWLP_WNDPROC ))) goto done;
1515 result = CallWindowProcW( winproc, hwnd, msg, wparam, lparam );
1519 if (!(winproc = (WNDPROC)GetWindowLongPtrA( hwnd, GWLP_WNDPROC ))) goto done;
1520 result = CallWindowProcA( winproc, hwnd, msg, wparam, lparam );
1523 /* and finally the WH_CALLWNDPROCRET hook */
1524 cwpret.lResult = result;
1525 cwpret.lParam = lparam;
1526 cwpret.wParam = wparam;
1527 cwpret.message = msg;
1529 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
1531 thread_info->recursion_count--;
1536 /***********************************************************************
1537 * send_parent_notify
1539 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
1540 * the window has the WS_EX_NOPARENTNOTIFY style.
1542 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
1544 /* pt has to be in the client coordinates of the parent window */
1545 MapWindowPoints( 0, hwnd, &pt, 1 );
1550 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
1551 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
1552 if (!(parent = GetParent(hwnd))) break;
1553 MapWindowPoints( hwnd, parent, &pt, 1 );
1555 SendMessageW( hwnd, WM_PARENTNOTIFY,
1556 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1561 /***********************************************************************
1562 * accept_hardware_message
1564 * Tell the server we have passed the message to the app
1565 * (even though we may end up dropping it later on)
1567 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
1569 SERVER_START_REQ( accept_hardware_message )
1572 req->remove = remove;
1573 req->new_win = new_hwnd;
1574 if (wine_server_call( req ))
1575 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
1581 /***********************************************************************
1582 * process_keyboard_message
1584 * returns TRUE if the contents of 'msg' should be passed to the application
1586 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
1587 UINT first, UINT last, BOOL remove )
1591 /* FIXME: is this really the right place for this hook? */
1592 event.message = msg->message;
1593 event.hwnd = msg->hwnd;
1594 event.time = msg->time;
1595 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
1596 event.paramH = msg->lParam & 0x7FFF;
1597 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
1598 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1600 /* check message filters */
1601 if (msg->message < first || msg->message > last) return FALSE;
1602 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1606 /* Handle F1 key by sending out WM_HELP message */
1607 if ((msg->message == WM_KEYUP) &&
1608 (msg->wParam == VK_F1) &&
1609 (msg->hwnd != GetDesktopWindow()) &&
1610 !MENU_IsMenuActive())
1613 hi.cbSize = sizeof(HELPINFO);
1614 hi.iContextType = HELPINFO_WINDOW;
1615 hi.iCtrlId = GetWindowLongPtrA( msg->hwnd, GWLP_ID );
1616 hi.hItemHandle = msg->hwnd;
1617 hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
1618 hi.MousePos = msg->pt;
1619 SendMessageW( msg->hwnd, WM_HELP, 0, (LPARAM)&hi );
1623 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
1624 LOWORD(msg->wParam), msg->lParam, TRUE ))
1626 /* skip this message */
1627 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
1628 accept_hardware_message( hw_id, TRUE, 0 );
1631 accept_hardware_message( hw_id, remove, 0 );
1636 /***********************************************************************
1637 * process_mouse_message
1639 * returns TRUE if the contents of 'msg' should be passed to the application
1641 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1642 UINT first, UINT last, BOOL remove )
1651 MOUSEHOOKSTRUCT hook;
1654 /* find the window to dispatch this mouse message to */
1656 GetGUIThreadInfo( GetCurrentThreadId(), &info );
1657 if (info.hwndCapture)
1660 msg->hwnd = info.hwndCapture;
1664 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
1667 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
1669 accept_hardware_message( hw_id, TRUE, msg->hwnd );
1673 /* FIXME: is this really the right place for this hook? */
1674 event.message = msg->message;
1675 event.time = msg->time;
1676 event.hwnd = msg->hwnd;
1677 event.paramL = msg->pt.x;
1678 event.paramH = msg->pt.y;
1679 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1681 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1684 message = msg->message;
1685 /* Note: windows has no concept of a non-client wheel message */
1686 if (message != WM_MOUSEWHEEL)
1688 if (hittest != HTCLIENT)
1690 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
1691 msg->wParam = hittest;
1695 /* coordinates don't get translated while tracking a menu */
1696 /* FIXME: should differentiate popups and top-level menus */
1697 if (!(info.flags & GUI_INMENUMODE))
1698 ScreenToClient( msg->hwnd, &pt );
1701 msg->lParam = MAKELONG( pt.x, pt.y );
1703 /* translate double clicks */
1705 if ((msg->message == WM_LBUTTONDOWN) ||
1706 (msg->message == WM_RBUTTONDOWN) ||
1707 (msg->message == WM_MBUTTONDOWN) ||
1708 (msg->message == WM_XBUTTONDOWN))
1710 BOOL update = remove;
1712 /* translate double clicks -
1713 * note that ...MOUSEMOVEs can slip in between
1714 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1716 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
1717 hittest != HTCLIENT ||
1718 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
1720 if ((msg->message == clk_msg.message) &&
1721 (msg->hwnd == clk_msg.hwnd) &&
1722 (msg->wParam == clk_msg.wParam) &&
1723 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
1724 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
1725 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
1727 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
1730 clk_msg.message = 0; /* clear the double click conditions */
1735 if (message < first || message > last) return FALSE;
1736 /* update static double click conditions */
1737 if (update) clk_msg = *msg;
1741 if (message < first || message > last) return FALSE;
1744 /* message is accepted now (but may still get dropped) */
1747 hook.hwnd = msg->hwnd;
1748 hook.wHitTestCode = hittest;
1749 hook.dwExtraInfo = extra_info;
1750 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
1751 message, (LPARAM)&hook, TRUE ))
1754 hook.hwnd = msg->hwnd;
1755 hook.wHitTestCode = hittest;
1756 hook.dwExtraInfo = extra_info;
1757 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
1758 accept_hardware_message( hw_id, TRUE, 0 );
1762 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
1764 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
1765 MAKELONG( hittest, msg->message ));
1766 accept_hardware_message( hw_id, TRUE, 0 );
1770 accept_hardware_message( hw_id, remove, 0 );
1772 if (!remove || info.hwndCapture)
1774 msg->message = message;
1780 if ((msg->message == WM_LBUTTONDOWN) ||
1781 (msg->message == WM_RBUTTONDOWN) ||
1782 (msg->message == WM_MBUTTONDOWN) ||
1783 (msg->message == WM_XBUTTONDOWN))
1785 /* Send the WM_PARENTNOTIFY,
1786 * note that even for double/nonclient clicks
1787 * notification message is still WM_L/M/RBUTTONDOWN.
1789 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
1791 /* Activate the window if needed */
1793 if (msg->hwnd != info.hwndActive)
1795 HWND hwndTop = msg->hwnd;
1798 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
1799 hwndTop = GetParent( hwndTop );
1802 if (hwndTop && hwndTop != GetDesktopWindow())
1804 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
1805 MAKELONG( hittest, msg->message ) );
1808 case MA_NOACTIVATEANDEAT:
1813 case MA_ACTIVATEANDEAT:
1818 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
1821 WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret );
1828 /* send the WM_SETCURSOR message */
1830 /* Windows sends the normal mouse message as the message parameter
1831 in the WM_SETCURSOR message even if it's non-client mouse message */
1832 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1834 msg->message = message;
1839 /***********************************************************************
1840 * process_hardware_message
1842 * Process a hardware message; return TRUE if message should be passed on to the app
1844 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1845 UINT first, UINT last, BOOL remove )
1847 if (is_keyboard_message( msg->message ))
1848 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
1850 if (is_mouse_message( msg->message ))
1851 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
1853 ERR( "unknown message type %x\n", msg->message );
1858 /***********************************************************************
1859 * call_sendmsg_callback
1861 * Call the callback function of SendMessageCallback.
1863 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
1864 ULONG_PTR data, LRESULT result )
1866 if (TRACE_ON(relay))
1867 DPRINTF( "%04lx:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1868 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1870 callback( hwnd, msg, data, result );
1871 if (TRACE_ON(relay))
1872 DPRINTF( "%04lx:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1873 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1878 /***********************************************************************
1881 * Retrieve the hook procedure real value for a module-relative proc
1883 static void *get_hook_proc( void *proc, const WCHAR *module )
1887 if (!(mod = GetModuleHandleW(module)))
1889 TRACE( "loading %s\n", debugstr_w(module) );
1890 /* FIXME: the library will never be freed */
1891 if (!(mod = LoadLibraryW(module))) return NULL;
1893 return (char *)mod + (ULONG_PTR)proc;
1897 /***********************************************************************
1900 * Peek for a message matching the given parameters. Return FALSE if none available.
1901 * All pending sent messages are processed before returning.
1903 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, int flags )
1906 ULONG_PTR extra_info = 0;
1907 struct user_thread_info *thread_info = get_user_thread_info();
1908 struct received_message_info info, *old_info;
1909 unsigned int hw_id = 0; /* id of previous hardware message */
1911 if (!first && !last) last = ~0;
1916 void *buffer = NULL;
1917 size_t size = 0, buffer_size = 0;
1919 do /* loop while buffer is too small */
1921 if (buffer_size && !(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
1923 SERVER_START_REQ( get_message )
1926 req->get_win = hwnd;
1927 req->get_first = first;
1928 req->get_last = last;
1930 if (buffer_size) wine_server_set_reply( req, buffer, buffer_size );
1931 if (!(res = wine_server_call( req )))
1933 size = wine_server_reply_size( reply );
1934 info.type = reply->type;
1935 info.msg.hwnd = reply->win;
1936 info.msg.message = reply->msg;
1937 info.msg.wParam = reply->wparam;
1938 info.msg.lParam = reply->lparam;
1939 info.msg.time = reply->time;
1940 info.msg.pt.x = reply->x;
1941 info.msg.pt.y = reply->y;
1942 info.hook = reply->hook;
1943 info.hook_proc = reply->hook_proc;
1944 hw_id = reply->hw_id;
1945 extra_info = reply->info;
1946 thread_info->active_hooks = reply->active_hooks;
1950 HeapFree( GetProcessHeap(), 0, buffer );
1951 buffer_size = reply->total;
1955 } while (res == STATUS_BUFFER_OVERFLOW);
1957 if (res) return FALSE;
1959 TRACE( "got type %d msg %x (%s) hwnd %p wp %x lp %lx\n",
1960 info.type, info.msg.message,
1961 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
1962 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
1968 info.flags = ISMEX_SEND;
1971 info.flags = ISMEX_NOTIFY;
1974 info.flags = ISMEX_CALLBACK;
1976 case MSG_CALLBACK_RESULT:
1977 call_sendmsg_callback( (SENDASYNCPROC)info.msg.wParam, info.msg.hwnd,
1978 info.msg.message, extra_info, info.msg.lParam );
1983 WCHAR module[MAX_PATH];
1984 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
1985 memcpy( module, buffer, size );
1986 module[size / sizeof(WCHAR)] = 0;
1987 if (!(info.hook_proc = get_hook_proc( info.hook_proc, module )))
1989 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
1993 if (TRACE_ON(relay))
1994 DPRINTF( "%04lx:Call winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04lx,time=%lx)\n",
1995 GetCurrentThreadId(), info.hook_proc,
1996 info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
1997 info.msg.lParam, extra_info, info.msg.time);
1999 info.hook_proc( info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2000 info.msg.lParam, extra_info, info.msg.time );
2002 if (TRACE_ON(relay))
2003 DPRINTF( "%04lx:Ret winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04lx,time=%lx)\n",
2004 GetCurrentThreadId(), info.hook_proc,
2005 info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2006 info.msg.lParam, extra_info, info.msg.time);
2008 case MSG_OTHER_PROCESS:
2009 info.flags = ISMEX_SEND;
2010 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2011 &info.msg.lParam, &buffer, size ))
2013 ERR( "invalid packed message %x (%s) hwnd %p wp %x lp %lx size %d\n",
2014 info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd), info.msg.hwnd,
2015 info.msg.wParam, info.msg.lParam, size );
2017 reply_message( &info, 0, TRUE );
2022 if (!process_hardware_message( &info.msg, hw_id, extra_info,
2023 hwnd, first, last, flags & GET_MSG_REMOVE ))
2025 TRACE("dropping msg %x\n", info.msg.message );
2026 goto next; /* ignore it */
2028 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2031 thread_info->GetMessageExtraInfoVal = extra_info;
2032 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2034 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2035 &info.msg.lParam, &buffer, size ))
2037 ERR( "invalid packed dde-message %x (%s) hwnd %p wp %x lp %lx size %d\n",
2038 info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2039 info.msg.hwnd, info.msg.wParam, info.msg.lParam, size );
2040 goto next; /* ignore it */
2044 HeapFree( GetProcessHeap(), 0, buffer );
2048 /* if we get here, we have a sent message; call the window procedure */
2049 old_info = thread_info->receive_info;
2050 thread_info->receive_info = &info;
2051 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2052 info.msg.lParam, (info.type != MSG_ASCII), FALSE );
2053 reply_message( &info, result, TRUE );
2054 thread_info->receive_info = old_info;
2056 HeapFree( GetProcessHeap(), 0, buffer );
2061 /***********************************************************************
2062 * process_sent_messages
2064 * Process all pending sent messages.
2066 inline static void process_sent_messages(void)
2069 peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
2073 /***********************************************************************
2074 * get_server_queue_handle
2076 * Get a handle to the server message queue for the current thread.
2078 static HANDLE get_server_queue_handle(void)
2080 struct user_thread_info *thread_info = get_user_thread_info();
2083 if (!(ret = thread_info->server_queue))
2085 SERVER_START_REQ( get_msg_queue )
2087 wine_server_call( req );
2088 ret = reply->handle;
2091 thread_info->server_queue = ret;
2092 if (!ret) ERR( "Cannot get server thread queue\n" );
2098 /***********************************************************************
2099 * wait_message_reply
2101 * Wait until a sent message gets replied to.
2103 static void wait_message_reply( UINT flags )
2105 HANDLE server_queue = get_server_queue_handle();
2109 unsigned int wake_bits = 0, changed_bits = 0;
2112 SERVER_START_REQ( set_queue_mask )
2114 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2115 req->changed_mask = req->wake_mask;
2117 if (!wine_server_call( req ))
2119 wake_bits = reply->wake_bits;
2120 changed_bits = reply->changed_bits;
2125 if (wake_bits & QS_SMRESULT) return; /* got a result */
2126 if (wake_bits & QS_SENDMESSAGE)
2128 /* Process the sent message immediately */
2129 process_sent_messages();
2133 /* now wait for it */
2135 ReleaseThunkLock( &dwlc );
2136 res = USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue,
2137 INFINITE, QS_ALLINPUT, 0 );
2138 if (dwlc) RestoreThunkLock( dwlc );
2142 /***********************************************************************
2143 * put_message_in_queue
2145 * Put a sent message into the destination queue.
2146 * For inter-process message, reply_size is set to expected size of reply data.
2148 static BOOL put_message_in_queue( DWORD dest_tid, const struct send_message_info *info,
2149 size_t *reply_size )
2151 struct packed_message data;
2153 int i, timeout = -1;
2155 if (info->type != MSG_NOTIFY &&
2156 info->type != MSG_CALLBACK &&
2157 info->type != MSG_POSTED &&
2158 info->timeout != INFINITE)
2159 timeout = info->timeout;
2162 if (info->type == MSG_OTHER_PROCESS)
2164 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2165 if (data.count == -1)
2167 WARN( "cannot pack message %x\n", info->msg );
2171 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2173 return post_dde_message( dest_tid, &data, info );
2176 SERVER_START_REQ( send_message )
2179 req->type = info->type;
2181 req->win = info->hwnd;
2182 req->msg = info->msg;
2183 req->wparam = info->wparam;
2184 req->lparam = info->lparam;
2185 req->time = GetCurrentTime();
2186 req->timeout = timeout;
2188 if (info->type == MSG_CALLBACK)
2190 req->callback = info->callback;
2191 req->info = info->data;
2194 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2195 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2196 if ((res = wine_server_call( req )))
2198 if (res == STATUS_INVALID_PARAMETER)
2199 /* FIXME: find a STATUS_ value for this one */
2200 SetLastError( ERROR_INVALID_THREAD_ID );
2202 SetLastError( RtlNtStatusToDosError(res) );
2210 /***********************************************************************
2213 * Retrieve a message reply from the server.
2215 static LRESULT retrieve_reply( const struct send_message_info *info,
2216 size_t reply_size, LRESULT *result )
2219 void *reply_data = NULL;
2223 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2225 WARN( "no memory for reply %d bytes, will be truncated\n", reply_size );
2229 SERVER_START_REQ( get_message_reply )
2232 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2233 if (!(status = wine_server_call( req ))) *result = reply->result;
2234 reply_size = wine_server_reply_size( reply );
2237 if (!status && reply_size)
2238 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2240 HeapFree( GetProcessHeap(), 0, reply_data );
2242 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx got reply %lx (err=%ld)\n",
2243 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
2244 info->lparam, *result, status );
2246 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2247 if (status) SetLastError( RtlNtStatusToDosError(status) );
2252 /***********************************************************************
2253 * send_inter_thread_message
2255 static LRESULT send_inter_thread_message( DWORD dest_tid, const struct send_message_info *info,
2258 size_t reply_size = 0;
2260 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2261 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
2263 USER_CheckNotLock();
2265 if (!put_message_in_queue( dest_tid, info, &reply_size )) return 0;
2267 /* there's no reply to wait for on notify/callback messages */
2268 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2270 wait_message_reply( info->flags );
2271 return retrieve_reply( info, reply_size, res_ptr );
2275 /***********************************************************************
2276 * MSG_SendInternalMessageTimeout
2278 * Same as SendMessageTimeoutW but sends the message to a specific thread
2279 * without requiring a window handle. Only works for internal Wine messages.
2281 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
2282 UINT msg, WPARAM wparam, LPARAM lparam,
2283 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2285 struct send_message_info info;
2286 LRESULT ret, result;
2288 assert( msg & 0x80000000 ); /* must be an internal Wine message */
2290 info.type = MSG_UNICODE;
2293 info.wparam = wparam;
2294 info.lparam = lparam;
2296 info.timeout = timeout;
2298 if (USER_IsExitingThread( dest_tid )) return 0;
2300 if (dest_tid == GetCurrentThreadId())
2302 result = handle_internal_message( 0, msg, wparam, lparam );
2307 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2308 ret = send_inter_thread_message( dest_tid, &info, &result );
2310 if (ret && res_ptr) *res_ptr = result;
2315 /***********************************************************************
2316 * SendMessageTimeoutW (USER32.@)
2318 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2319 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2321 struct send_message_info info;
2322 DWORD dest_tid, dest_pid;
2323 LRESULT ret, result;
2325 info.type = MSG_UNICODE;
2328 info.wparam = wparam;
2329 info.lparam = lparam;
2331 info.timeout = timeout;
2333 if (is_broadcast(hwnd))
2335 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2336 if (res_ptr) *res_ptr = 1;
2340 if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2342 if (USER_IsExitingThread( dest_tid )) return 0;
2344 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2346 if (dest_tid == GetCurrentThreadId())
2348 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2353 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2354 ret = send_inter_thread_message( dest_tid, &info, &result );
2357 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2358 if (ret && res_ptr) *res_ptr = result;
2363 /***********************************************************************
2364 * SendMessageTimeoutA (USER32.@)
2366 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2367 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2369 struct send_message_info info;
2370 DWORD dest_tid, dest_pid;
2371 LRESULT ret, result;
2373 info.type = MSG_ASCII;
2376 info.wparam = wparam;
2377 info.lparam = lparam;
2379 info.timeout = timeout;
2381 if (is_broadcast(hwnd))
2383 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2384 if (res_ptr) *res_ptr = 1;
2388 if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2390 if (USER_IsExitingThread( dest_tid )) return 0;
2392 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2394 if (dest_tid == GetCurrentThreadId())
2396 result = call_window_proc( hwnd, msg, wparam, lparam, FALSE, TRUE );
2399 else if (dest_pid == GetCurrentProcessId())
2401 ret = send_inter_thread_message( dest_tid, &info, &result );
2405 /* inter-process message: need to map to Unicode */
2406 info.type = MSG_OTHER_PROCESS;
2407 if (is_unicode_message( info.msg ))
2409 if (WINPROC_MapMsg32ATo32W( info.hwnd, info.msg, &info.wparam, &info.lparam ) == -1)
2411 ret = send_inter_thread_message( dest_tid, &info, &result );
2412 result = WINPROC_UnmapMsg32ATo32W( info.hwnd, info.msg, info.wparam,
2413 info.lparam, result, NULL );
2415 else ret = send_inter_thread_message( dest_tid, &info, &result );
2417 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2418 if (ret && res_ptr) *res_ptr = result;
2423 /***********************************************************************
2424 * SendMessageW (USER32.@)
2426 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2429 SendMessageTimeoutW( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2434 /***********************************************************************
2435 * SendMessageA (USER32.@)
2437 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2440 SendMessageTimeoutA( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2445 /***********************************************************************
2446 * SendNotifyMessageA (USER32.@)
2448 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2450 return SendNotifyMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2454 /***********************************************************************
2455 * SendNotifyMessageW (USER32.@)
2457 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2459 struct send_message_info info;
2463 if (is_pointer_message(msg))
2465 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2469 info.type = MSG_NOTIFY;
2472 info.wparam = wparam;
2473 info.lparam = lparam;
2476 if (is_broadcast(hwnd))
2478 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2482 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2484 if (USER_IsExitingThread( dest_tid )) return TRUE;
2486 if (dest_tid == GetCurrentThreadId())
2488 call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2491 return send_inter_thread_message( dest_tid, &info, &result );
2495 /***********************************************************************
2496 * SendMessageCallbackA (USER32.@)
2498 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2499 SENDASYNCPROC callback, ULONG_PTR data )
2501 return SendMessageCallbackW( hwnd, msg, map_wparam_AtoW( msg, wparam ),
2502 lparam, callback, data );
2506 /***********************************************************************
2507 * SendMessageCallbackW (USER32.@)
2509 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2510 SENDASYNCPROC callback, ULONG_PTR data )
2512 struct send_message_info info;
2516 if (is_pointer_message(msg))
2518 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2522 info.type = MSG_CALLBACK;
2525 info.wparam = wparam;
2526 info.lparam = lparam;
2527 info.callback = callback;
2531 if (is_broadcast(hwnd))
2533 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2537 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2539 if (USER_IsExitingThread( dest_tid )) return TRUE;
2541 if (dest_tid == GetCurrentThreadId())
2543 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2544 call_sendmsg_callback( callback, hwnd, msg, data, result );
2547 FIXME( "callback will not be called\n" );
2548 return send_inter_thread_message( dest_tid, &info, &result );
2552 /***********************************************************************
2553 * ReplyMessage (USER32.@)
2555 BOOL WINAPI ReplyMessage( LRESULT result )
2557 struct received_message_info *info = get_user_thread_info()->receive_info;
2559 if (!info) return FALSE;
2560 reply_message( info, result, FALSE );
2565 /***********************************************************************
2566 * InSendMessage (USER32.@)
2568 BOOL WINAPI InSendMessage(void)
2570 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
2574 /***********************************************************************
2575 * InSendMessageEx (USER32.@)
2577 DWORD WINAPI InSendMessageEx( LPVOID reserved )
2579 struct received_message_info *info = get_user_thread_info()->receive_info;
2581 if (info) return info->flags;
2582 return ISMEX_NOSEND;
2586 /***********************************************************************
2587 * PostMessageA (USER32.@)
2589 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2591 return PostMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2595 /***********************************************************************
2596 * PostMessageW (USER32.@)
2598 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2600 struct send_message_info info;
2603 if (is_pointer_message( msg ))
2605 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2609 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2610 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
2612 info.type = MSG_POSTED;
2615 info.wparam = wparam;
2616 info.lparam = lparam;
2619 if (is_broadcast(hwnd))
2621 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2625 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
2627 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2629 if (USER_IsExitingThread( dest_tid )) return TRUE;
2631 return put_message_in_queue( dest_tid, &info, NULL );
2635 /**********************************************************************
2636 * PostThreadMessageA (USER32.@)
2638 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2640 return PostThreadMessageW( thread, msg, map_wparam_AtoW( msg, wparam ), lparam );
2644 /**********************************************************************
2645 * PostThreadMessageW (USER32.@)
2647 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2649 struct send_message_info info;
2651 if (is_pointer_message( msg ))
2653 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2656 if (USER_IsExitingThread( thread )) return TRUE;
2658 info.type = MSG_POSTED;
2661 info.wparam = wparam;
2662 info.lparam = lparam;
2664 return put_message_in_queue( thread, &info, NULL );
2668 /***********************************************************************
2669 * PostQuitMessage (USER32.@)
2671 void WINAPI PostQuitMessage( INT exitCode )
2673 PostThreadMessageW( GetCurrentThreadId(), WM_QUIT, exitCode, 0 );
2677 /***********************************************************************
2678 * PeekMessageW (USER32.@)
2680 BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
2682 struct user_thread_info *thread_info = get_user_thread_info();
2686 FIXME("PM_QS_xxxx flags (%04x) are not handled\n", flags >> 16);
2688 USER_CheckNotLock();
2690 /* check for graphics events */
2691 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
2693 hwnd = WIN_GetFullHandle( hwnd );
2697 if (!peek_message( &msg, hwnd, first, last, (flags & PM_REMOVE) ? GET_MSG_REMOVE : 0 ))
2699 if (!(flags & PM_NOYIELD))
2702 ReleaseThunkLock(&count);
2704 if (count) RestoreThunkLock(count);
2708 if (msg.message & 0x80000000)
2710 handle_internal_message( msg.hwnd, msg.message, msg.wParam, msg.lParam );
2711 if (!(flags & PM_REMOVE)) /* have to remove it explicitly */
2712 peek_message( &msg, msg.hwnd, msg.message, msg.message, GET_MSG_REMOVE );
2717 thread_info->GetMessageTimeVal = msg.time;
2718 msg.pt.x = LOWORD( thread_info->GetMessagePosVal );
2719 msg.pt.y = HIWORD( thread_info->GetMessagePosVal );
2721 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)&msg, TRUE );
2723 /* copy back our internal safe copy of message data to msg_out.
2724 * msg_out is a variable from the *program*, so it can't be used
2725 * internally as it can get "corrupted" by our use of SendMessage()
2726 * (back to the program) inside the message handling itself. */
2729 SetLastError( ERROR_NOACCESS );
2737 /***********************************************************************
2738 * PeekMessageA (USER32.@)
2740 BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
2742 BOOL ret = PeekMessageW( msg, hwnd, first, last, flags );
2743 if (ret) msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2748 /***********************************************************************
2749 * GetMessageW (USER32.@)
2751 BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
2753 HANDLE server_queue = get_server_queue_handle();
2754 int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
2758 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
2759 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
2760 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
2761 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
2762 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
2763 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
2765 else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
2767 while (!PeekMessageW( msg, hwnd, first, last, PM_REMOVE ))
2769 /* wait until one of the bits is set */
2770 unsigned int wake_bits = 0, changed_bits = 0;
2773 SERVER_START_REQ( set_queue_mask )
2775 req->wake_mask = QS_SENDMESSAGE;
2776 req->changed_mask = mask;
2778 if (!wine_server_call( req ))
2780 wake_bits = reply->wake_bits;
2781 changed_bits = reply->changed_bits;
2786 if (changed_bits & mask) continue;
2787 if (wake_bits & QS_SENDMESSAGE) continue;
2789 TRACE( "(%04lx) mask=%08x, bits=%08x, changed=%08x, waiting\n",
2790 GetCurrentThreadId(), mask, wake_bits, changed_bits );
2792 ReleaseThunkLock( &dwlc );
2793 USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue, INFINITE, QS_ALLINPUT, 0 );
2794 if (dwlc) RestoreThunkLock( dwlc );
2797 return (msg->message != WM_QUIT);
2801 /***********************************************************************
2802 * GetMessageA (USER32.@)
2804 BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
2806 GetMessageW( msg, hwnd, first, last );
2807 msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2808 return (msg->message != WM_QUIT);
2812 /***********************************************************************
2813 * IsDialogMessageA (USER32.@)
2814 * IsDialogMessage (USER32.@)
2816 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
2819 msg.wParam = map_wparam_AtoW( msg.message, msg.wParam );
2820 return IsDialogMessageW( hwndDlg, &msg );
2824 /***********************************************************************
2825 * TranslateMessage (USER32.@)
2827 * Implementation of TranslateMessage.
2829 * TranslateMessage translates virtual-key messages into character-messages,
2831 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2832 * ditto replacing WM_* with WM_SYS*
2833 * This produces WM_CHAR messages only for keys mapped to ASCII characters
2834 * by the keyboard driver.
2836 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
2837 * return value is nonzero, regardless of the translation.
2840 BOOL WINAPI TranslateMessage( const MSG *msg )
2846 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
2847 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
2849 TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
2850 SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
2852 GetKeyboardState( state );
2853 /* FIXME : should handle ToUnicode yielding 2 */
2854 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
2857 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2858 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2859 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2860 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2864 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2865 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2866 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2867 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2874 /***********************************************************************
2875 * DispatchMessageA (USER32.@)
2877 * See DispatchMessageW.
2879 LONG WINAPI DispatchMessageA( const MSG* msg )
2885 /* Process timer messages */
2886 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2888 if (msg->lParam) return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2889 msg->message, msg->wParam, GetTickCount() );
2892 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2894 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2897 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2899 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2900 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2903 if (wndPtr->tid != GetCurrentThreadId())
2905 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2906 WIN_ReleasePtr( wndPtr );
2909 winproc = wndPtr->winproc;
2910 WIN_ReleasePtr( wndPtr );
2912 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2913 msg->wParam, msg->lParam );
2914 retval = CallWindowProcA( winproc, msg->hwnd, msg->message,
2915 msg->wParam, msg->lParam );
2916 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2917 msg->wParam, msg->lParam );
2919 if (msg->message == WM_PAINT)
2921 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
2922 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
2923 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
2924 DeleteObject( hrgn );
2930 /***********************************************************************
2931 * DispatchMessageW (USER32.@) Process a message
2933 * Process the message specified in the structure *_msg_.
2935 * If the lpMsg parameter points to a WM_TIMER message and the
2936 * parameter of the WM_TIMER message is not NULL, the lParam parameter
2937 * points to the function that is called instead of the window
2940 * The message must be valid.
2944 * DispatchMessage() returns the result of the window procedure invoked.
2951 LONG WINAPI DispatchMessageW( const MSG* msg )
2957 /* Process timer messages */
2958 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2960 if (msg->lParam) return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
2961 msg->message, msg->wParam, GetTickCount() );
2964 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2966 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2969 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2971 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2972 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2975 if (wndPtr->tid != GetCurrentThreadId())
2977 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2978 WIN_ReleasePtr( wndPtr );
2981 winproc = wndPtr->winproc;
2982 WIN_ReleasePtr( wndPtr );
2984 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2985 msg->wParam, msg->lParam );
2986 retval = CallWindowProcW( winproc, msg->hwnd, msg->message,
2987 msg->wParam, msg->lParam );
2988 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2989 msg->wParam, msg->lParam );
2991 if (msg->message == WM_PAINT)
2993 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
2994 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
2995 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
2996 DeleteObject( hrgn );
3002 /***********************************************************************
3003 * GetMessagePos (USER.119)
3004 * GetMessagePos (USER32.@)
3006 * The GetMessagePos() function returns a long value representing a
3007 * cursor position, in screen coordinates, when the last message
3008 * retrieved by the GetMessage() function occurs. The x-coordinate is
3009 * in the low-order word of the return value, the y-coordinate is in
3010 * the high-order word. The application can use the MAKEPOINT()
3011 * macro to obtain a POINT structure from the return value.
3013 * For the current cursor position, use GetCursorPos().
3017 * Cursor position of last message on success, zero on failure.
3024 DWORD WINAPI GetMessagePos(void)
3026 return get_user_thread_info()->GetMessagePosVal;
3030 /***********************************************************************
3031 * GetMessageTime (USER.120)
3032 * GetMessageTime (USER32.@)
3034 * GetMessageTime() returns the message time for the last message
3035 * retrieved by the function. The time is measured in milliseconds with
3036 * the same offset as GetTickCount().
3038 * Since the tick count wraps, this is only useful for moderately short
3039 * relative time comparisons.
3043 * Time of last message on success, zero on failure.
3045 LONG WINAPI GetMessageTime(void)
3047 return get_user_thread_info()->GetMessageTimeVal;
3051 /***********************************************************************
3052 * GetMessageExtraInfo (USER.288)
3053 * GetMessageExtraInfo (USER32.@)
3055 LPARAM WINAPI GetMessageExtraInfo(void)
3057 return get_user_thread_info()->GetMessageExtraInfoVal;
3061 /***********************************************************************
3062 * SetMessageExtraInfo (USER32.@)
3064 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3066 struct user_thread_info *thread_info = get_user_thread_info();
3067 LONG old_value = thread_info->GetMessageExtraInfoVal;
3068 thread_info->GetMessageExtraInfoVal = lParam;
3073 /***********************************************************************
3074 * WaitMessage (USER.112) Suspend thread pending messages
3075 * WaitMessage (USER32.@) Suspend thread pending messages
3077 * WaitMessage() suspends a thread until events appear in the thread's
3080 BOOL WINAPI WaitMessage(void)
3082 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3086 /***********************************************************************
3087 * MsgWaitForMultipleObjectsEx (USER32.@)
3089 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3090 DWORD timeout, DWORD mask, DWORD flags )
3092 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3095 if (count > MAXIMUM_WAIT_OBJECTS-1)
3097 SetLastError( ERROR_INVALID_PARAMETER );
3101 /* set the queue mask */
3102 SERVER_START_REQ( set_queue_mask )
3104 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3105 req->changed_mask = mask;
3107 wine_server_call( req );
3111 /* Add the thread event to the handle list */
3112 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3113 handles[count] = get_server_queue_handle();
3115 ReleaseThunkLock( &lock );
3116 ret = USER_Driver->pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
3117 if (ret == count+1) ret = count; /* pretend the msg queue is ready */
3118 if (lock) RestoreThunkLock( lock );
3123 /***********************************************************************
3124 * MsgWaitForMultipleObjects (USER32.@)
3126 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3127 BOOL wait_all, DWORD timeout, DWORD mask )
3129 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3130 wait_all ? MWMO_WAITALL : 0 );
3134 /***********************************************************************
3135 * WaitForInputIdle (USER32.@)
3137 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3139 DWORD start_time, elapsed, ret;
3140 HANDLE idle_event = (HANDLE)-1;
3142 SERVER_START_REQ( wait_input_idle )
3144 req->handle = hProcess;
3145 req->timeout = dwTimeOut;
3146 if (!(ret = wine_server_call_err( req ))) idle_event = reply->event;
3149 if (ret) return WAIT_FAILED; /* error */
3150 if (!idle_event) return 0; /* no event to wait on */
3152 start_time = GetTickCount();
3155 TRACE("waiting for %p\n", idle_event );
3158 ret = MsgWaitForMultipleObjects ( 1, &idle_event, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3161 case WAIT_OBJECT_0+1:
3162 process_sent_messages();
3166 TRACE("timeout or error\n");
3169 TRACE("finished\n");
3172 if (dwTimeOut != INFINITE)
3174 elapsed = GetTickCount() - start_time;
3175 if (elapsed > dwTimeOut)
3181 return WAIT_TIMEOUT;
3185 /***********************************************************************
3186 * UserYield (USER.332)
3188 void WINAPI UserYield16(void)
3192 /* Handle sent messages */
3193 process_sent_messages();
3196 ReleaseThunkLock(&count);
3200 RestoreThunkLock(count);
3201 /* Handle sent messages again */
3202 process_sent_messages();
3207 /***********************************************************************
3208 * RegisterWindowMessageA (USER32.@)
3209 * RegisterWindowMessage (USER.118)
3211 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
3213 UINT ret = GlobalAddAtomA(str);
3214 TRACE("%s, ret=%x\n", str, ret);
3219 /***********************************************************************
3220 * RegisterWindowMessageW (USER32.@)
3222 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
3224 UINT ret = GlobalAddAtomW(str);
3225 TRACE("%s ret=%x\n", debugstr_w(str), ret);
3230 /***********************************************************************
3231 * BroadcastSystemMessageA (USER32.@)
3232 * BroadcastSystemMessage (USER32.@)
3234 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3236 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3238 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3239 PostMessageA( HWND_BROADCAST, msg, wp, lp );
3244 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp);
3250 /***********************************************************************
3251 * BroadcastSystemMessageW (USER32.@)
3253 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3255 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3257 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3258 PostMessageW( HWND_BROADCAST, msg, wp, lp );
3263 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp );
3269 /***********************************************************************
3270 * SetMessageQueue (USER32.@)
3272 BOOL WINAPI SetMessageQueue( INT size )
3274 /* now obsolete the message queue will be expanded dynamically as necessary */
3279 /***********************************************************************
3280 * MessageBeep (USER32.@)
3282 BOOL WINAPI MessageBeep( UINT i )
3285 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
3286 if (active) USER_Driver->pBeep();
3291 /***********************************************************************
3292 * SetTimer (USER32.@)
3294 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3297 WNDPROC winproc = 0;
3299 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, WIN_PROC_32A );
3301 SERVER_START_REQ( set_win_timer )
3304 req->msg = WM_TIMER;
3306 req->rate = max( timeout, SYS_TIMER_RATE );
3307 req->lparam = (unsigned int)winproc;
3308 if (!wine_server_call_err( req ))
3311 if (!ret) ret = TRUE;
3317 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3322 /***********************************************************************
3323 * SetSystemTimer (USER32.@)
3325 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3328 WNDPROC winproc = 0;
3330 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, WIN_PROC_32A );
3332 SERVER_START_REQ( set_win_timer )
3335 req->msg = WM_SYSTIMER;
3337 req->rate = max( timeout, SYS_TIMER_RATE );
3338 req->lparam = (unsigned int)winproc;
3339 if (!wine_server_call_err( req ))
3342 if (!ret) ret = TRUE;
3348 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3353 /***********************************************************************
3354 * KillTimer (USER32.@)
3356 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
3360 TRACE("%p %d\n", hwnd, id );
3362 SERVER_START_REQ( kill_win_timer )
3365 req->msg = WM_TIMER;
3367 ret = !wine_server_call_err( req );
3374 /***********************************************************************
3375 * KillSystemTimer (USER32.@)
3377 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
3381 TRACE("%p %d\n", hwnd, id );
3383 SERVER_START_REQ( kill_win_timer )
3386 req->msg = WM_SYSTIMER;
3388 ret = !wine_server_call_err( req );
3395 /**********************************************************************
3396 * GetGUIThreadInfo (USER32.@)
3398 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
3402 SERVER_START_REQ( get_thread_input )
3405 if ((ret = !wine_server_call_err( req )))
3408 info->hwndActive = reply->active;
3409 info->hwndFocus = reply->focus;
3410 info->hwndCapture = reply->capture;
3411 info->hwndMenuOwner = reply->menu_owner;
3412 info->hwndMoveSize = reply->move_size;
3413 info->hwndCaret = reply->caret;
3414 info->rcCaret.left = reply->rect.left;
3415 info->rcCaret.top = reply->rect.top;
3416 info->rcCaret.right = reply->rect.right;
3417 info->rcCaret.bottom = reply->rect.bottom;
3418 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
3419 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
3420 if (reply->caret) info->flags |= GUI_CARETBLINKING;
3428 /******************************************************************
3429 * IsHungAppWindow (USER32.@)
3432 BOOL WINAPI IsHungAppWindow( HWND hWnd )
3435 return !SendMessageTimeoutA(hWnd, WM_NULL, 0, 0, SMTO_ABORTIFHUNG, 5000, &dwResult);