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"
28 #define WIN32_NO_STATUS
36 #include "wine/unicode.h"
37 #include "wine/server.h"
38 #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 */
71 HWINEVENTHOOK hook; /* winevent hook handle */
72 WINEVENTPROC hook_proc; /* winevent hook proc address */
75 /* structure to group all parameters for sent messages of the various kinds */
76 struct send_message_info
78 enum message_type type;
83 UINT flags; /* flags for SendMessageTimeout */
84 UINT timeout; /* timeout for SendMessageTimeout */
85 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
86 ULONG_PTR data; /* callback data */
90 /* flag for messages that contain pointers */
91 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
93 #define SET(msg) (1 << ((msg) & 31))
95 static const unsigned int message_pointer_flags[] =
98 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
99 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
101 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
104 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
105 SET(WM_NOTIFY) | SET(WM_HELP),
107 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
109 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
111 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
113 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
115 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
121 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
122 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
123 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
127 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
128 SET(LB_DIR) | SET(LB_FINDSTRING) |
129 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
131 SET(LB_FINDSTRINGEXACT),
137 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
139 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
140 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
154 SET(WM_ASKCBFORMATNAME)
157 /* flags for messages that contain Unicode strings */
158 static const unsigned int message_unicode_flags[] =
161 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
162 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
174 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
178 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
182 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
183 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
187 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
188 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
190 SET(LB_FINDSTRINGEXACT),
212 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
215 /* check whether a given message type includes pointers */
216 inline static int is_pointer_message( UINT message )
218 if (message >= 8*sizeof(message_pointer_flags)) return FALSE;
219 return (message_pointer_flags[message / 32] & SET(message)) != 0;
222 /* check whether a given message type contains Unicode (or ASCII) chars */
223 inline static int is_unicode_message( UINT message )
225 if (message >= 8*sizeof(message_unicode_flags)) return FALSE;
226 return (message_unicode_flags[message / 32] & SET(message)) != 0;
231 /* add a data field to a packed message */
232 inline static void push_data( struct packed_message *data, const void *ptr, size_t size )
234 data->data[data->count] = ptr;
235 data->size[data->count] = size;
239 /* add a string to a packed message */
240 inline static void push_string( struct packed_message *data, LPCWSTR str )
242 push_data( data, str, (strlenW(str) + 1) * sizeof(WCHAR) );
245 /* retrieve a pointer to data from a packed message and increment the buffer pointer */
246 inline static void *get_data( void **buffer, size_t size )
249 *buffer = (char *)*buffer + size;
253 /* make sure that the buffer contains a valid null-terminated Unicode string */
254 inline static BOOL check_string( LPCWSTR str, size_t size )
256 for (size /= sizeof(WCHAR); size; size--, str++)
257 if (!*str) return TRUE;
261 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
262 inline static void *get_buffer_space( void **buffer, size_t size )
268 if (!(ret = HeapReAlloc( GetProcessHeap(), 0, *buffer, size )))
269 HeapFree( GetProcessHeap(), 0, *buffer );
271 else ret = HeapAlloc( GetProcessHeap(), 0, size );
277 /* retrieve a string pointer from packed data */
278 inline static LPWSTR get_string( void **buffer )
280 return get_data( buffer, (strlenW( (LPWSTR)*buffer ) + 1) * sizeof(WCHAR) );
283 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
284 inline static BOOL combobox_has_strings( HWND hwnd )
286 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
287 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
290 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
291 inline static BOOL listbox_has_strings( HWND hwnd )
293 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
294 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
297 /* check whether message is in the range of keyboard messages */
298 inline static BOOL is_keyboard_message( UINT message )
300 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
303 /* check whether message is in the range of mouse messages */
304 inline static BOOL is_mouse_message( UINT message )
306 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
307 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
310 /* check whether message matches the specified hwnd filter */
311 inline static BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
313 if (!hwnd_filter) return TRUE;
314 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
318 /***********************************************************************
319 * broadcast_message_callback
321 * Helper callback for broadcasting messages.
323 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
325 struct send_message_info *info = (struct send_message_info *)lparam;
326 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
330 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
331 info->flags, info->timeout, NULL );
334 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
335 info->flags, info->timeout, NULL );
338 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
341 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
342 info->callback, info->data );
345 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
348 ERR( "bad type %d\n", info->type );
355 /***********************************************************************
358 * Convert the wparam of an ASCII message to Unicode.
360 static WPARAM map_wparam_AtoW( UINT message, WPARAM wparam )
365 case EM_SETPASSWORDCHAR:
374 ch[0] = (wparam & 0xff);
375 ch[1] = (wparam >> 8);
376 MultiByteToWideChar(CP_ACP, 0, ch, 2, wch, 2);
377 wparam = MAKEWPARAM(wch[0], wch[1]);
384 ch[0] = (wparam >> 8);
385 ch[1] = (wparam & 0xff);
386 if (ch[0]) MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
387 else MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
388 wparam = MAKEWPARAM( wch, HIWORD(wparam) );
396 /***********************************************************************
399 * Convert the wparam of a Unicode message to ASCII.
401 static WPARAM map_wparam_WtoA( UINT message, WPARAM wparam )
406 case EM_SETPASSWORDCHAR:
415 wch[0] = LOWORD(wparam);
416 wch[1] = HIWORD(wparam);
417 WideCharToMultiByte( CP_ACP, 0, wch, 2, (LPSTR)ch, 2, NULL, NULL );
418 wparam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
423 WCHAR wch = LOWORD(wparam);
426 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, (LPSTR)ch, 2, NULL, NULL ) == 2)
427 wparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wparam) );
429 wparam = MAKEWPARAM( ch[0], HIWORD(wparam) );
437 /***********************************************************************
440 * Pack a message for sending to another process.
441 * Return the size of the data we expect in the message reply.
442 * Set data->count to -1 if there is an error.
444 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
445 struct packed_message *data )
453 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
454 push_data( data, cs, sizeof(*cs) );
455 if (HIWORD(cs->lpszName)) push_string( data, cs->lpszName );
456 if (HIWORD(cs->lpszClass)) push_string( data, cs->lpszClass );
460 case WM_ASKCBFORMATNAME:
461 return wparam * sizeof(WCHAR);
462 case WM_WININICHANGE:
463 if (lparam) push_string(data, (LPWSTR)lparam );
466 case WM_DEVMODECHANGE:
471 push_string( data, (LPWSTR)lparam );
473 case WM_GETMINMAXINFO:
474 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
475 return sizeof(MINMAXINFO);
477 push_data( data, (DRAWITEMSTRUCT *)lparam, sizeof(DRAWITEMSTRUCT) );
480 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
481 return sizeof(MEASUREITEMSTRUCT);
483 push_data( data, (DELETEITEMSTRUCT *)lparam, sizeof(DELETEITEMSTRUCT) );
486 push_data( data, (COMPAREITEMSTRUCT *)lparam, sizeof(COMPAREITEMSTRUCT) );
488 case WM_WINDOWPOSCHANGING:
489 case WM_WINDOWPOSCHANGED:
490 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
491 return sizeof(WINDOWPOS);
494 COPYDATASTRUCT *cp = (COPYDATASTRUCT *)lparam;
495 push_data( data, cp, sizeof(*cp) );
496 if (cp->lpData) push_data( data, cp->lpData, cp->cbData );
500 /* WM_NOTIFY cannot be sent across processes (MSDN) */
504 push_data( data, (HELPINFO *)lparam, sizeof(HELPINFO) );
506 case WM_STYLECHANGING:
507 case WM_STYLECHANGED:
508 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
513 push_data( data, (RECT *)lparam, sizeof(RECT) );
518 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
519 push_data( data, nc, sizeof(*nc) );
520 push_data( data, nc->lppos, sizeof(*nc->lppos) );
521 return sizeof(*nc) + sizeof(*nc->lppos);
524 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
526 case SBM_SETSCROLLINFO:
527 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
529 case SBM_GETSCROLLINFO:
530 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
531 return sizeof(SCROLLINFO);
532 case SBM_GETSCROLLBARINFO:
534 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
535 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
536 push_data( data, info, size );
544 if (wparam) size += sizeof(DWORD);
545 if (lparam) size += sizeof(DWORD);
550 case CB_GETDROPPEDCONTROLRECT:
554 push_data( data, (RECT *)lparam, sizeof(RECT) );
558 WORD *pw = (WORD *)lparam;
559 push_data( data, pw, sizeof(*pw) );
560 return *pw * sizeof(WCHAR);
564 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
567 case CB_INSERTSTRING:
569 case CB_FINDSTRINGEXACT:
570 case CB_SELECTSTRING:
571 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
574 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
575 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
577 case LB_INSERTSTRING:
579 case LB_FINDSTRINGEXACT:
580 case LB_SELECTSTRING:
581 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
584 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
585 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
587 return wparam * sizeof(UINT);
589 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
590 return sizeof(MDINEXTMENU);
593 push_data( data, (RECT *)lparam, sizeof(RECT) );
597 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
598 push_data( data, cs, sizeof(*cs) );
599 if (HIWORD(cs->szTitle)) push_string( data, cs->szTitle );
600 if (HIWORD(cs->szClass)) push_string( data, cs->szClass );
603 case WM_MDIGETACTIVE:
604 if (lparam) return sizeof(BOOL);
606 case WM_WINE_SETWINDOWPOS:
607 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
609 case WM_WINE_KEYBOARD_LL_HOOK:
610 push_data( data, (KBDLLHOOKSTRUCT *)lparam, sizeof(KBDLLHOOKSTRUCT) );
612 case WM_WINE_MOUSE_LL_HOOK:
613 push_data( data, (MSLLHOOKSTRUCT *)lparam, sizeof(MSLLHOOKSTRUCT) );
616 if (!wparam) return 0;
619 /* these contain an HFONT */
622 /* these contain an HDC */
624 case WM_ICONERASEBKGND:
626 case WM_CTLCOLORMSGBOX:
627 case WM_CTLCOLOREDIT:
628 case WM_CTLCOLORLISTBOX:
631 case WM_CTLCOLORSCROLLBAR:
632 case WM_CTLCOLORSTATIC:
635 /* these contain an HGLOBAL */
636 case WM_PAINTCLIPBOARD:
637 case WM_SIZECLIPBOARD:
638 /* these contain HICON */
641 case WM_QUERYDRAGICON:
642 case WM_QUERYPARKICON:
643 /* these contain pointers */
645 case WM_QUERYDROPOBJECT:
649 case WM_DEVICECHANGE:
650 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
658 /***********************************************************************
661 * Unpack a message received from another process.
663 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
664 void **buffer, size_t size )
673 CREATESTRUCTW *cs = *buffer;
674 WCHAR *str = (WCHAR *)(cs + 1);
675 if (size < sizeof(*cs)) return FALSE;
677 if (HIWORD(cs->lpszName))
679 if (!check_string( str, size )) return FALSE;
681 size -= (strlenW(str) + 1) * sizeof(WCHAR);
682 str += strlenW(str) + 1;
684 if (HIWORD(cs->lpszClass))
686 if (!check_string( str, size )) return FALSE;
692 case WM_ASKCBFORMATNAME:
693 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
695 case WM_WININICHANGE:
696 if (!*lparam) return TRUE;
699 case WM_DEVMODECHANGE:
704 if (!check_string( *buffer, size )) return FALSE;
706 case WM_GETMINMAXINFO:
707 minsize = sizeof(MINMAXINFO);
710 minsize = sizeof(DRAWITEMSTRUCT);
713 minsize = sizeof(MEASUREITEMSTRUCT);
716 minsize = sizeof(DELETEITEMSTRUCT);
719 minsize = sizeof(COMPAREITEMSTRUCT);
721 case WM_WINDOWPOSCHANGING:
722 case WM_WINDOWPOSCHANGED:
723 case WM_WINE_SETWINDOWPOS:
724 minsize = sizeof(WINDOWPOS);
728 COPYDATASTRUCT *cp = *buffer;
729 if (size < sizeof(*cp)) return FALSE;
732 minsize = sizeof(*cp) + cp->cbData;
738 /* WM_NOTIFY cannot be sent across processes (MSDN) */
741 minsize = sizeof(HELPINFO);
743 case WM_STYLECHANGING:
744 case WM_STYLECHANGED:
745 minsize = sizeof(STYLESTRUCT);
748 if (!*wparam) minsize = sizeof(RECT);
751 NCCALCSIZE_PARAMS *nc = *buffer;
752 if (size < sizeof(*nc) + sizeof(*nc->lppos)) return FALSE;
753 nc->lppos = (WINDOWPOS *)(nc + 1);
757 if (!*lparam) return TRUE;
758 minsize = sizeof(MSG);
760 case SBM_SETSCROLLINFO:
761 minsize = sizeof(SCROLLINFO);
763 case SBM_GETSCROLLINFO:
764 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
766 case SBM_GETSCROLLBARINFO:
767 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
772 if (*wparam || *lparam)
774 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
775 if (*wparam) *wparam = (WPARAM)*buffer;
776 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
781 case CB_GETDROPPEDCONTROLRECT:
782 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
786 minsize = sizeof(RECT);
791 if (size < sizeof(WORD)) return FALSE;
792 len = *(WORD *)*buffer;
793 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
794 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
799 if (!*wparam) return TRUE;
800 minsize = *wparam * sizeof(UINT);
803 case CB_INSERTSTRING:
805 case CB_FINDSTRINGEXACT:
806 case CB_SELECTSTRING:
808 case LB_INSERTSTRING:
810 case LB_FINDSTRINGEXACT:
811 case LB_SELECTSTRING:
812 if (!*buffer) return TRUE;
813 if (!check_string( *buffer, size )) return FALSE;
817 size = sizeof(ULONG_PTR);
818 if (combobox_has_strings( hwnd ))
819 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
820 if (!get_buffer_space( buffer, size )) return FALSE;
825 size = sizeof(ULONG_PTR);
826 if (listbox_has_strings( hwnd ))
827 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
828 if (!get_buffer_space( buffer, size )) return FALSE;
832 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
835 minsize = sizeof(MDINEXTMENU);
836 if (!get_buffer_space( buffer, sizeof(MDINEXTMENU) )) return FALSE;
840 minsize = sizeof(RECT);
841 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
845 MDICREATESTRUCTW *cs = *buffer;
846 WCHAR *str = (WCHAR *)(cs + 1);
847 if (size < sizeof(*cs)) return FALSE;
849 if (HIWORD(cs->szTitle))
851 if (!check_string( str, size )) return FALSE;
853 size -= (strlenW(str) + 1) * sizeof(WCHAR);
854 str += strlenW(str) + 1;
856 if (HIWORD(cs->szClass))
858 if (!check_string( str, size )) return FALSE;
863 case WM_MDIGETACTIVE:
864 if (!*lparam) return TRUE;
865 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
867 case WM_WINE_KEYBOARD_LL_HOOK:
868 minsize = sizeof(KBDLLHOOKSTRUCT);
870 case WM_WINE_MOUSE_LL_HOOK:
871 minsize = sizeof(MSLLHOOKSTRUCT);
874 if (!*wparam) return TRUE;
877 /* these contain an HFONT */
880 /* these contain an HDC */
882 case WM_ICONERASEBKGND:
884 case WM_CTLCOLORMSGBOX:
885 case WM_CTLCOLOREDIT:
886 case WM_CTLCOLORLISTBOX:
889 case WM_CTLCOLORSCROLLBAR:
890 case WM_CTLCOLORSTATIC:
893 /* these contain an HGLOBAL */
894 case WM_PAINTCLIPBOARD:
895 case WM_SIZECLIPBOARD:
896 /* these contain HICON */
899 case WM_QUERYDRAGICON:
900 case WM_QUERYPARKICON:
901 /* these contain pointers */
903 case WM_QUERYDROPOBJECT:
907 case WM_DEVICECHANGE:
908 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
912 return TRUE; /* message doesn't need any unpacking */
915 /* default exit for most messages: check minsize and store buffer in lparam */
916 if (size < minsize) return FALSE;
917 *lparam = (LPARAM)*buffer;
922 /***********************************************************************
925 * Pack a reply to a message for sending to another process.
927 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
928 LRESULT res, struct packed_message *data )
935 push_data( data, (CREATESTRUCTW *)lparam, sizeof(CREATESTRUCTW) );
940 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
942 case WM_GETMINMAXINFO:
943 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
946 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
948 case WM_WINDOWPOSCHANGING:
949 case WM_WINDOWPOSCHANGED:
950 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
953 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
955 case SBM_GETSCROLLINFO:
956 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
960 case CB_GETDROPPEDCONTROLRECT:
963 push_data( data, (RECT *)lparam, sizeof(RECT) );
967 WORD *ptr = (WORD *)lparam;
968 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
972 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
974 case WM_MDIGETACTIVE:
975 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
979 push_data( data, (RECT *)lparam, sizeof(RECT) );
982 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
983 push_data( data, nc, sizeof(*nc) );
984 push_data( data, nc->lppos, sizeof(*nc->lppos) );
990 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
991 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
994 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
997 push_data( data, (MDICREATESTRUCTW *)lparam, sizeof(MDICREATESTRUCTW) );
999 case WM_ASKCBFORMATNAME:
1000 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1006 /***********************************************************************
1009 * Unpack a message reply received from another process.
1011 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1012 void *buffer, size_t size )
1019 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1020 LPCWSTR name = cs->lpszName, class = cs->lpszClass;
1021 memcpy( cs, buffer, min( sizeof(*cs), size ));
1022 cs->lpszName = name; /* restore the original pointers */
1023 cs->lpszClass = class;
1027 case WM_ASKCBFORMATNAME:
1028 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1030 case WM_GETMINMAXINFO:
1031 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1033 case WM_MEASUREITEM:
1034 memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size ));
1036 case WM_WINDOWPOSCHANGING:
1037 case WM_WINDOWPOSCHANGED:
1038 memcpy( (WINDOWPOS *)lparam, buffer, min( sizeof(WINDOWPOS), size ));
1041 if (lparam) memcpy( (MSG *)lparam, buffer, min( sizeof(MSG), size ));
1043 case SBM_GETSCROLLINFO:
1044 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1046 case SBM_GETSCROLLBARINFO:
1047 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1050 case CB_GETDROPPEDCONTROLRECT:
1051 case LB_GETITEMRECT:
1054 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1057 size = min( size, (size_t)*(WORD *)lparam );
1058 memcpy( (WCHAR *)lparam, buffer, size );
1060 case LB_GETSELITEMS:
1061 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1065 memcpy( (WCHAR *)lparam, buffer, size );
1068 memcpy( (MDINEXTMENU *)lparam, buffer, min( sizeof(MDINEXTMENU), size ));
1070 case WM_MDIGETACTIVE:
1071 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1075 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1078 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1079 WINDOWPOS *wp = nc->lppos;
1080 memcpy( nc, buffer, min( sizeof(*nc), size ));
1081 if (size > sizeof(*nc))
1083 size -= sizeof(*nc);
1084 memcpy( wp, (NCCALCSIZE_PARAMS*)buffer + 1, min( sizeof(*wp), size ));
1086 nc->lppos = wp; /* restore the original pointer */
1094 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1095 if (size <= sizeof(DWORD)) break;
1096 size -= sizeof(DWORD);
1097 buffer = (DWORD *)buffer + 1;
1099 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1103 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
1104 LPCWSTR title = cs->szTitle, class = cs->szClass;
1105 memcpy( cs, buffer, min( sizeof(*cs), size ));
1106 cs->szTitle = title; /* restore the original pointers */
1107 cs->szClass = class;
1111 ERR( "should not happen: unexpected message %x\n", message );
1117 /***********************************************************************
1120 * Send a reply to a sent message.
1122 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1124 struct packed_message data;
1125 int i, replied = info->flags & ISMEX_REPLIED;
1127 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1128 if (!remove && replied) return; /* replied already */
1131 info->flags |= ISMEX_REPLIED;
1133 if (info->type == MSG_OTHER_PROCESS && !replied)
1135 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1136 info->msg.lParam, result, &data );
1139 SERVER_START_REQ( reply_message )
1141 req->result = result;
1142 req->remove = remove;
1143 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1144 wine_server_call( req );
1150 /***********************************************************************
1151 * handle_internal_message
1153 * Handle an internal Wine message instead of calling the window proc.
1155 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1157 if (hwnd == GetDesktopWindow()) return 0;
1160 case WM_WINE_DESTROYWINDOW:
1161 return WIN_DestroyWindow( hwnd );
1162 case WM_WINE_SETWINDOWPOS:
1163 return USER_Driver->pSetWindowPos( (WINDOWPOS *)lparam );
1164 case WM_WINE_SHOWWINDOW:
1165 return ShowWindow( hwnd, wparam );
1166 case WM_WINE_SETPARENT:
1167 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1168 case WM_WINE_SETWINDOWLONG:
1169 return (LRESULT)SetWindowLongW( hwnd, wparam, lparam );
1170 case WM_WINE_ENABLEWINDOW:
1171 return EnableWindow( hwnd, wparam );
1172 case WM_WINE_SETACTIVEWINDOW:
1173 return (LRESULT)SetActiveWindow( (HWND)wparam );
1174 case WM_WINE_KEYBOARD_LL_HOOK:
1175 return HOOK_CallHooks( WH_KEYBOARD_LL, HC_ACTION, wparam, lparam, TRUE );
1176 case WM_WINE_MOUSE_LL_HOOK:
1177 return HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, wparam, lparam, TRUE );
1179 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1180 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1181 FIXME( "unknown internal message %x\n", msg );
1186 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1187 * to the memory handle, we keep track (in the server side) of all pairs of handle
1188 * used (the client passes its value and the content of the memory handle), and
1189 * the server stored both values (the client, and the local one, created after the
1190 * content). When a ACK message is generated, the list of pair is searched for a
1191 * matching pair, so that the client memory handle can be returned.
1194 HGLOBAL client_hMem;
1195 HGLOBAL server_hMem;
1198 static struct DDE_pair* dde_pairs;
1199 static int dde_num_alloc;
1200 static int dde_num_used;
1202 static CRITICAL_SECTION dde_crst;
1203 static CRITICAL_SECTION_DEBUG critsect_debug =
1206 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1207 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1209 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1211 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1216 EnterCriticalSection(&dde_crst);
1218 /* now remember the pair of hMem on both sides */
1219 if (dde_num_used == dde_num_alloc)
1221 struct DDE_pair* tmp;
1223 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1224 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1226 tmp = HeapAlloc( GetProcessHeap(), 0,
1227 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1231 LeaveCriticalSection(&dde_crst);
1235 /* zero out newly allocated part */
1236 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1237 dde_num_alloc += GROWBY;
1240 for (i = 0; i < dde_num_alloc; i++)
1242 if (dde_pairs[i].server_hMem == 0)
1244 dde_pairs[i].client_hMem = chm;
1245 dde_pairs[i].server_hMem = shm;
1250 LeaveCriticalSection(&dde_crst);
1254 static HGLOBAL dde_get_pair(HGLOBAL shm)
1259 EnterCriticalSection(&dde_crst);
1260 for (i = 0; i < dde_num_alloc; i++)
1262 if (dde_pairs[i].server_hMem == shm)
1264 /* free this pair */
1265 dde_pairs[i].server_hMem = 0;
1267 ret = dde_pairs[i].client_hMem;
1271 LeaveCriticalSection(&dde_crst);
1275 /***********************************************************************
1278 * Post a DDE message
1280 static BOOL post_dde_message( DWORD dest_tid, struct packed_message *data, const struct send_message_info *info )
1284 UINT_PTR uiLo, uiHi;
1286 HGLOBAL hunlock = 0;
1290 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1296 /* DDE messages which don't require packing are:
1305 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
1306 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
1309 /* send back the value of h on the other side */
1310 push_data( data, &h, sizeof(HGLOBAL) );
1312 TRACE( "send dde-ack %x %08x => %p\n", uiLo, uiHi, h );
1317 /* uiHi should contain either an atom or 0 */
1318 TRACE( "send dde-ack %x atom=%x\n", uiLo, uiHi );
1319 lp = MAKELONG( uiLo, uiHi );
1328 size = GlobalSize( (HGLOBAL)uiLo ) ;
1329 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
1330 (info->msg == WM_DDE_DATA && size < sizeof(DDEDATA)) ||
1331 (info->msg == WM_DDE_POKE && size < sizeof(DDEPOKE))
1335 else if (info->msg != WM_DDE_DATA) return FALSE;
1340 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
1342 DDEDATA *dde_data = (DDEDATA *)ptr;
1343 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
1344 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
1345 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
1346 push_data( data, ptr, size );
1347 hunlock = (HGLOBAL)uiLo;
1350 TRACE( "send ddepack %u %x\n", size, uiHi );
1352 case WM_DDE_EXECUTE:
1355 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
1357 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
1358 /* so that the other side can send it back on ACK */
1360 hunlock = (HGLOBAL)info->lparam;
1365 SERVER_START_REQ( send_message )
1368 req->type = info->type;
1370 req->win = info->hwnd;
1371 req->msg = info->msg;
1372 req->wparam = info->wparam;
1374 req->time = GetCurrentTime();
1376 for (i = 0; i < data->count; i++)
1377 wine_server_add_data( req, data->data[i], data->size[i] );
1378 if ((res = wine_server_call( req )))
1380 if (res == STATUS_INVALID_PARAMETER)
1381 /* FIXME: find a STATUS_ value for this one */
1382 SetLastError( ERROR_INVALID_THREAD_ID );
1384 SetLastError( RtlNtStatusToDosError(res) );
1387 FreeDDElParam(info->msg, info->lparam);
1390 if (hunlock) GlobalUnlock(hunlock);
1395 /***********************************************************************
1396 * unpack_dde_message
1398 * Unpack a posted DDE message received from another process.
1400 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1401 void **buffer, size_t size )
1403 UINT_PTR uiLo, uiHi;
1412 /* hMem is being passed */
1413 if (size != sizeof(HGLOBAL)) return FALSE;
1414 if (!buffer || !*buffer) return FALSE;
1416 memcpy( &hMem, *buffer, size );
1417 uiHi = (UINT_PTR)hMem;
1418 TRACE("recv dde-ack %x mem=%x[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
1422 uiLo = LOWORD( *lparam );
1423 uiHi = HIWORD( *lparam );
1424 TRACE("recv dde-ack %x atom=%x\n", uiLo, uiHi);
1426 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
1431 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
1433 TRACE( "recv ddepack %u %x\n", size, uiHi );
1436 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
1438 if ((ptr = GlobalLock( hMem )))
1440 memcpy( ptr, *buffer, size );
1441 GlobalUnlock( hMem );
1449 uiLo = (UINT_PTR)hMem;
1451 *lparam = PackDDElParam( message, uiLo, uiHi );
1453 case WM_DDE_EXECUTE:
1456 if (!buffer || !*buffer) return FALSE;
1457 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
1458 if ((ptr = GlobalLock( hMem )))
1460 memcpy( ptr, *buffer, size );
1461 GlobalUnlock( hMem );
1462 TRACE( "exec: pairing c=%08lx s=%08lx\n", *lparam, (DWORD)hMem );
1463 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
1474 } else return FALSE;
1475 *lparam = (LPARAM)hMem;
1481 /***********************************************************************
1484 * Call a window procedure and the corresponding hooks.
1486 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
1487 BOOL unicode, BOOL same_thread )
1489 struct user_thread_info *thread_info = get_user_thread_info();
1493 CWPRETSTRUCT cwpret;
1495 if (thread_info->recursion_count > MAX_SENDMSG_RECURSION) return 0;
1496 thread_info->recursion_count++;
1498 if (msg & 0x80000000)
1500 result = handle_internal_message( hwnd, msg, wparam, lparam );
1504 /* first the WH_CALLWNDPROC hook */
1505 hwnd = WIN_GetFullHandle( hwnd );
1506 cwp.lParam = lparam;
1507 cwp.wParam = wparam;
1510 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
1512 /* now call the window procedure */
1515 if (!(winproc = (WNDPROC)GetWindowLongPtrW( hwnd, GWLP_WNDPROC ))) goto done;
1516 result = CallWindowProcW( winproc, hwnd, msg, wparam, lparam );
1520 if (!(winproc = (WNDPROC)GetWindowLongPtrA( hwnd, GWLP_WNDPROC ))) goto done;
1521 result = CallWindowProcA( winproc, hwnd, msg, wparam, lparam );
1524 /* and finally the WH_CALLWNDPROCRET hook */
1525 cwpret.lResult = result;
1526 cwpret.lParam = lparam;
1527 cwpret.wParam = wparam;
1528 cwpret.message = msg;
1530 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
1532 thread_info->recursion_count--;
1537 /***********************************************************************
1538 * send_parent_notify
1540 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
1541 * the window has the WS_EX_NOPARENTNOTIFY style.
1543 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
1545 /* pt has to be in the client coordinates of the parent window */
1546 MapWindowPoints( 0, hwnd, &pt, 1 );
1551 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
1552 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
1553 if (!(parent = GetParent(hwnd))) break;
1554 MapWindowPoints( hwnd, parent, &pt, 1 );
1556 SendMessageW( hwnd, WM_PARENTNOTIFY,
1557 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1562 /***********************************************************************
1563 * accept_hardware_message
1565 * Tell the server we have passed the message to the app
1566 * (even though we may end up dropping it later on)
1568 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
1570 SERVER_START_REQ( accept_hardware_message )
1573 req->remove = remove;
1574 req->new_win = new_hwnd;
1575 if (wine_server_call( req ))
1576 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
1582 /***********************************************************************
1583 * process_keyboard_message
1585 * returns TRUE if the contents of 'msg' should be passed to the application
1587 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
1588 UINT first, UINT last, BOOL remove )
1592 /* FIXME: is this really the right place for this hook? */
1593 event.message = msg->message;
1594 event.hwnd = msg->hwnd;
1595 event.time = msg->time;
1596 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
1597 event.paramH = msg->lParam & 0x7FFF;
1598 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
1599 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1601 /* check message filters */
1602 if (msg->message < first || msg->message > last) return FALSE;
1603 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1607 /* Handle F1 key by sending out WM_HELP message */
1608 if ((msg->message == WM_KEYUP) &&
1609 (msg->wParam == VK_F1) &&
1610 (msg->hwnd != GetDesktopWindow()) &&
1611 !MENU_IsMenuActive())
1614 hi.cbSize = sizeof(HELPINFO);
1615 hi.iContextType = HELPINFO_WINDOW;
1616 hi.iCtrlId = GetWindowLongPtrA( msg->hwnd, GWLP_ID );
1617 hi.hItemHandle = msg->hwnd;
1618 hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
1619 hi.MousePos = msg->pt;
1620 SendMessageW( msg->hwnd, WM_HELP, 0, (LPARAM)&hi );
1624 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
1625 LOWORD(msg->wParam), msg->lParam, TRUE ))
1627 /* skip this message */
1628 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
1629 accept_hardware_message( hw_id, TRUE, 0 );
1632 accept_hardware_message( hw_id, remove, 0 );
1637 /***********************************************************************
1638 * process_mouse_message
1640 * returns TRUE if the contents of 'msg' should be passed to the application
1642 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1643 UINT first, UINT last, BOOL remove )
1652 MOUSEHOOKSTRUCT hook;
1655 /* find the window to dispatch this mouse message to */
1657 GetGUIThreadInfo( GetCurrentThreadId(), &info );
1658 if (info.hwndCapture)
1661 msg->hwnd = info.hwndCapture;
1665 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
1668 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
1670 accept_hardware_message( hw_id, TRUE, msg->hwnd );
1674 /* FIXME: is this really the right place for this hook? */
1675 event.message = msg->message;
1676 event.time = msg->time;
1677 event.hwnd = msg->hwnd;
1678 event.paramL = msg->pt.x;
1679 event.paramH = msg->pt.y;
1680 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1682 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1685 message = msg->message;
1686 /* Note: windows has no concept of a non-client wheel message */
1687 if (message != WM_MOUSEWHEEL)
1689 if (hittest != HTCLIENT)
1691 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
1692 msg->wParam = hittest;
1696 /* coordinates don't get translated while tracking a menu */
1697 /* FIXME: should differentiate popups and top-level menus */
1698 if (!(info.flags & GUI_INMENUMODE))
1699 ScreenToClient( msg->hwnd, &pt );
1702 msg->lParam = MAKELONG( pt.x, pt.y );
1704 /* translate double clicks */
1706 if ((msg->message == WM_LBUTTONDOWN) ||
1707 (msg->message == WM_RBUTTONDOWN) ||
1708 (msg->message == WM_MBUTTONDOWN) ||
1709 (msg->message == WM_XBUTTONDOWN))
1711 BOOL update = remove;
1713 /* translate double clicks -
1714 * note that ...MOUSEMOVEs can slip in between
1715 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1717 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
1718 hittest != HTCLIENT ||
1719 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
1721 if ((msg->message == clk_msg.message) &&
1722 (msg->hwnd == clk_msg.hwnd) &&
1723 (msg->wParam == clk_msg.wParam) &&
1724 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
1725 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
1726 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
1728 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
1731 clk_msg.message = 0; /* clear the double click conditions */
1736 if (message < first || message > last) return FALSE;
1737 /* update static double click conditions */
1738 if (update) clk_msg = *msg;
1742 if (message < first || message > last) return FALSE;
1745 /* message is accepted now (but may still get dropped) */
1748 hook.hwnd = msg->hwnd;
1749 hook.wHitTestCode = hittest;
1750 hook.dwExtraInfo = extra_info;
1751 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
1752 message, (LPARAM)&hook, TRUE ))
1755 hook.hwnd = msg->hwnd;
1756 hook.wHitTestCode = hittest;
1757 hook.dwExtraInfo = extra_info;
1758 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
1759 accept_hardware_message( hw_id, TRUE, 0 );
1763 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
1765 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
1766 MAKELONG( hittest, msg->message ));
1767 accept_hardware_message( hw_id, TRUE, 0 );
1771 accept_hardware_message( hw_id, remove, 0 );
1773 if (!remove || info.hwndCapture)
1775 msg->message = message;
1781 if ((msg->message == WM_LBUTTONDOWN) ||
1782 (msg->message == WM_RBUTTONDOWN) ||
1783 (msg->message == WM_MBUTTONDOWN) ||
1784 (msg->message == WM_XBUTTONDOWN))
1786 /* Send the WM_PARENTNOTIFY,
1787 * note that even for double/nonclient clicks
1788 * notification message is still WM_L/M/RBUTTONDOWN.
1790 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
1792 /* Activate the window if needed */
1794 if (msg->hwnd != info.hwndActive)
1796 HWND hwndTop = msg->hwnd;
1799 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
1800 hwndTop = GetParent( hwndTop );
1803 if (hwndTop && hwndTop != GetDesktopWindow())
1805 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
1806 MAKELONG( hittest, msg->message ) );
1809 case MA_NOACTIVATEANDEAT:
1814 case MA_ACTIVATEANDEAT:
1819 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
1822 WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret );
1829 /* send the WM_SETCURSOR message */
1831 /* Windows sends the normal mouse message as the message parameter
1832 in the WM_SETCURSOR message even if it's non-client mouse message */
1833 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1835 msg->message = message;
1840 /***********************************************************************
1841 * process_hardware_message
1843 * Process a hardware message; return TRUE if message should be passed on to the app
1845 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1846 UINT first, UINT last, BOOL remove )
1848 if (is_keyboard_message( msg->message ))
1849 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
1851 if (is_mouse_message( msg->message ))
1852 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
1854 ERR( "unknown message type %x\n", msg->message );
1859 /***********************************************************************
1860 * call_sendmsg_callback
1862 * Call the callback function of SendMessageCallback.
1864 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
1865 ULONG_PTR data, LRESULT result )
1867 if (TRACE_ON(relay))
1868 DPRINTF( "%04lx:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1869 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1871 callback( hwnd, msg, data, result );
1872 if (TRACE_ON(relay))
1873 DPRINTF( "%04lx:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1874 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1879 /***********************************************************************
1882 * Retrieve the hook procedure real value for a module-relative proc
1884 static void *get_hook_proc( void *proc, const WCHAR *module )
1888 if (!(mod = GetModuleHandleW(module)))
1890 TRACE( "loading %s\n", debugstr_w(module) );
1891 /* FIXME: the library will never be freed */
1892 if (!(mod = LoadLibraryW(module))) return NULL;
1894 return (char *)mod + (ULONG_PTR)proc;
1898 /***********************************************************************
1901 * Peek for a message matching the given parameters. Return FALSE if none available.
1902 * All pending sent messages are processed before returning.
1904 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, int flags )
1907 ULONG_PTR extra_info = 0;
1908 struct user_thread_info *thread_info = get_user_thread_info();
1909 struct received_message_info info, *old_info;
1910 unsigned int hw_id = 0; /* id of previous hardware message */
1912 if (!first && !last) last = ~0;
1917 void *buffer = NULL;
1918 size_t size = 0, buffer_size = 0;
1920 do /* loop while buffer is too small */
1922 if (buffer_size && !(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
1924 SERVER_START_REQ( get_message )
1927 req->get_win = hwnd;
1928 req->get_first = first;
1929 req->get_last = last;
1931 if (buffer_size) wine_server_set_reply( req, buffer, buffer_size );
1932 if (!(res = wine_server_call( req )))
1934 size = wine_server_reply_size( reply );
1935 info.type = reply->type;
1936 info.msg.hwnd = reply->win;
1937 info.msg.message = reply->msg;
1938 info.msg.wParam = reply->wparam;
1939 info.msg.lParam = reply->lparam;
1940 info.msg.time = reply->time;
1941 info.msg.pt.x = reply->x;
1942 info.msg.pt.y = reply->y;
1943 info.hook = reply->hook;
1944 info.hook_proc = reply->hook_proc;
1945 hw_id = reply->hw_id;
1946 extra_info = reply->info;
1947 thread_info->active_hooks = reply->active_hooks;
1951 HeapFree( GetProcessHeap(), 0, buffer );
1952 buffer_size = reply->total;
1956 } while (res == STATUS_BUFFER_OVERFLOW);
1958 if (res) return FALSE;
1960 TRACE( "got type %d msg %x (%s) hwnd %p wp %x lp %lx\n",
1961 info.type, info.msg.message,
1962 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
1963 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
1969 info.flags = ISMEX_SEND;
1972 info.flags = ISMEX_NOTIFY;
1975 info.flags = ISMEX_CALLBACK;
1977 case MSG_CALLBACK_RESULT:
1978 call_sendmsg_callback( (SENDASYNCPROC)info.msg.wParam, info.msg.hwnd,
1979 info.msg.message, extra_info, info.msg.lParam );
1984 WCHAR module[MAX_PATH];
1985 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
1986 memcpy( module, buffer, size );
1987 module[size / sizeof(WCHAR)] = 0;
1988 if (!(info.hook_proc = get_hook_proc( info.hook_proc, module )))
1990 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
1994 if (TRACE_ON(relay))
1995 DPRINTF( "%04lx:Call winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04lx,time=%lx)\n",
1996 GetCurrentThreadId(), info.hook_proc,
1997 info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
1998 info.msg.lParam, extra_info, info.msg.time);
2000 info.hook_proc( info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2001 info.msg.lParam, extra_info, info.msg.time );
2003 if (TRACE_ON(relay))
2004 DPRINTF( "%04lx:Ret winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%x,child_id=%lx,tid=%04lx,time=%lx)\n",
2005 GetCurrentThreadId(), info.hook_proc,
2006 info.hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2007 info.msg.lParam, extra_info, info.msg.time);
2009 case MSG_OTHER_PROCESS:
2010 info.flags = ISMEX_SEND;
2011 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2012 &info.msg.lParam, &buffer, size ))
2014 ERR( "invalid packed message %x (%s) hwnd %p wp %x lp %lx size %d\n",
2015 info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd), info.msg.hwnd,
2016 info.msg.wParam, info.msg.lParam, size );
2018 reply_message( &info, 0, TRUE );
2023 if (!process_hardware_message( &info.msg, hw_id, extra_info,
2024 hwnd, first, last, flags & GET_MSG_REMOVE ))
2026 TRACE("dropping msg %x\n", info.msg.message );
2027 goto next; /* ignore it */
2029 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2032 thread_info->GetMessageExtraInfoVal = extra_info;
2033 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2035 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2036 &info.msg.lParam, &buffer, size ))
2038 ERR( "invalid packed dde-message %x (%s) hwnd %p wp %x lp %lx size %d\n",
2039 info.msg.message, SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2040 info.msg.hwnd, info.msg.wParam, info.msg.lParam, size );
2041 goto next; /* ignore it */
2045 HeapFree( GetProcessHeap(), 0, buffer );
2049 /* if we get here, we have a sent message; call the window procedure */
2050 old_info = thread_info->receive_info;
2051 thread_info->receive_info = &info;
2052 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2053 info.msg.lParam, (info.type != MSG_ASCII), FALSE );
2054 reply_message( &info, result, TRUE );
2055 thread_info->receive_info = old_info;
2057 HeapFree( GetProcessHeap(), 0, buffer );
2062 /***********************************************************************
2063 * process_sent_messages
2065 * Process all pending sent messages.
2067 inline static void process_sent_messages(void)
2070 peek_message( &msg, 0, 0, 0, GET_MSG_REMOVE | GET_MSG_SENT_ONLY );
2074 /***********************************************************************
2075 * get_server_queue_handle
2077 * Get a handle to the server message queue for the current thread.
2079 static HANDLE get_server_queue_handle(void)
2081 struct user_thread_info *thread_info = get_user_thread_info();
2084 if (!(ret = thread_info->server_queue))
2086 SERVER_START_REQ( get_msg_queue )
2088 wine_server_call( req );
2089 ret = reply->handle;
2092 thread_info->server_queue = ret;
2093 if (!ret) ERR( "Cannot get server thread queue\n" );
2099 /***********************************************************************
2100 * wait_message_reply
2102 * Wait until a sent message gets replied to.
2104 static void wait_message_reply( UINT flags )
2106 HANDLE server_queue = get_server_queue_handle();
2110 unsigned int wake_bits = 0, changed_bits = 0;
2113 SERVER_START_REQ( set_queue_mask )
2115 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2116 req->changed_mask = req->wake_mask;
2118 if (!wine_server_call( req ))
2120 wake_bits = reply->wake_bits;
2121 changed_bits = reply->changed_bits;
2126 if (wake_bits & QS_SMRESULT) return; /* got a result */
2127 if (wake_bits & QS_SENDMESSAGE)
2129 /* Process the sent message immediately */
2130 process_sent_messages();
2134 /* now wait for it */
2136 ReleaseThunkLock( &dwlc );
2137 res = USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue,
2138 INFINITE, QS_ALLINPUT, 0 );
2139 if (dwlc) RestoreThunkLock( dwlc );
2143 /***********************************************************************
2144 * put_message_in_queue
2146 * Put a sent message into the destination queue.
2147 * For inter-process message, reply_size is set to expected size of reply data.
2149 static BOOL put_message_in_queue( DWORD dest_tid, const struct send_message_info *info,
2150 size_t *reply_size )
2152 struct packed_message data;
2154 int i, timeout = -1;
2156 if (info->type != MSG_NOTIFY &&
2157 info->type != MSG_CALLBACK &&
2158 info->type != MSG_POSTED &&
2159 info->timeout != INFINITE)
2160 timeout = info->timeout;
2163 if (info->type == MSG_OTHER_PROCESS)
2165 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2166 if (data.count == -1)
2168 WARN( "cannot pack message %x\n", info->msg );
2172 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2174 return post_dde_message( dest_tid, &data, info );
2177 SERVER_START_REQ( send_message )
2180 req->type = info->type;
2182 req->win = info->hwnd;
2183 req->msg = info->msg;
2184 req->wparam = info->wparam;
2185 req->lparam = info->lparam;
2186 req->time = GetCurrentTime();
2187 req->timeout = timeout;
2189 if (info->type == MSG_CALLBACK)
2191 req->callback = info->callback;
2192 req->info = info->data;
2195 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2196 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2197 if ((res = wine_server_call( req )))
2199 if (res == STATUS_INVALID_PARAMETER)
2200 /* FIXME: find a STATUS_ value for this one */
2201 SetLastError( ERROR_INVALID_THREAD_ID );
2203 SetLastError( RtlNtStatusToDosError(res) );
2211 /***********************************************************************
2214 * Retrieve a message reply from the server.
2216 static LRESULT retrieve_reply( const struct send_message_info *info,
2217 size_t reply_size, LRESULT *result )
2220 void *reply_data = NULL;
2224 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2226 WARN( "no memory for reply %d bytes, will be truncated\n", reply_size );
2230 SERVER_START_REQ( get_message_reply )
2233 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2234 if (!(status = wine_server_call( req ))) *result = reply->result;
2235 reply_size = wine_server_reply_size( reply );
2238 if (!status && reply_size)
2239 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2241 HeapFree( GetProcessHeap(), 0, reply_data );
2243 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx got reply %lx (err=%ld)\n",
2244 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
2245 info->lparam, *result, status );
2247 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2248 if (status) SetLastError( RtlNtStatusToDosError(status) );
2253 /***********************************************************************
2254 * send_inter_thread_message
2256 static LRESULT send_inter_thread_message( DWORD dest_tid, const struct send_message_info *info,
2259 size_t reply_size = 0;
2261 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2262 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
2264 USER_CheckNotLock();
2266 if (!put_message_in_queue( dest_tid, info, &reply_size )) return 0;
2268 /* there's no reply to wait for on notify/callback messages */
2269 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2271 wait_message_reply( info->flags );
2272 return retrieve_reply( info, reply_size, res_ptr );
2276 /***********************************************************************
2277 * MSG_SendInternalMessageTimeout
2279 * Same as SendMessageTimeoutW but sends the message to a specific thread
2280 * without requiring a window handle. Only works for internal Wine messages.
2282 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
2283 UINT msg, WPARAM wparam, LPARAM lparam,
2284 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2286 struct send_message_info info;
2287 LRESULT ret, result;
2289 assert( msg & 0x80000000 ); /* must be an internal Wine message */
2291 info.type = MSG_UNICODE;
2294 info.wparam = wparam;
2295 info.lparam = lparam;
2297 info.timeout = timeout;
2299 if (USER_IsExitingThread( dest_tid )) return 0;
2301 if (dest_tid == GetCurrentThreadId())
2303 result = handle_internal_message( 0, msg, wparam, lparam );
2308 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2309 ret = send_inter_thread_message( dest_tid, &info, &result );
2311 if (ret && res_ptr) *res_ptr = result;
2316 /***********************************************************************
2317 * SendMessageTimeoutW (USER32.@)
2319 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2320 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2322 struct send_message_info info;
2323 DWORD dest_tid, dest_pid;
2324 LRESULT ret, result;
2326 info.type = MSG_UNICODE;
2329 info.wparam = wparam;
2330 info.lparam = lparam;
2332 info.timeout = timeout;
2334 if (is_broadcast(hwnd))
2336 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2337 if (res_ptr) *res_ptr = 1;
2341 if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2343 if (USER_IsExitingThread( dest_tid )) return 0;
2345 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2347 if (dest_tid == GetCurrentThreadId())
2349 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2354 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2355 ret = send_inter_thread_message( dest_tid, &info, &result );
2358 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2359 if (ret && res_ptr) *res_ptr = result;
2364 /***********************************************************************
2365 * SendMessageTimeoutA (USER32.@)
2367 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2368 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2370 struct send_message_info info;
2371 DWORD dest_tid, dest_pid;
2372 LRESULT ret, result;
2374 info.type = MSG_ASCII;
2377 info.wparam = wparam;
2378 info.lparam = lparam;
2380 info.timeout = timeout;
2382 if (is_broadcast(hwnd))
2384 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2385 if (res_ptr) *res_ptr = 1;
2389 if (!(dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2391 if (USER_IsExitingThread( dest_tid )) return 0;
2393 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2395 if (dest_tid == GetCurrentThreadId())
2397 result = call_window_proc( hwnd, msg, wparam, lparam, FALSE, TRUE );
2400 else if (dest_pid == GetCurrentProcessId())
2402 ret = send_inter_thread_message( dest_tid, &info, &result );
2406 /* inter-process message: need to map to Unicode */
2407 info.type = MSG_OTHER_PROCESS;
2408 if (is_unicode_message( info.msg ))
2410 if (WINPROC_MapMsg32ATo32W( info.hwnd, info.msg, &info.wparam, &info.lparam ) == -1)
2412 ret = send_inter_thread_message( dest_tid, &info, &result );
2413 result = WINPROC_UnmapMsg32ATo32W( info.hwnd, info.msg, info.wparam,
2414 info.lparam, result, NULL );
2416 else ret = send_inter_thread_message( dest_tid, &info, &result );
2418 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2419 if (ret && res_ptr) *res_ptr = result;
2424 /***********************************************************************
2425 * SendMessageW (USER32.@)
2427 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2430 SendMessageTimeoutW( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2435 /***********************************************************************
2436 * SendMessageA (USER32.@)
2438 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2441 SendMessageTimeoutA( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2446 /***********************************************************************
2447 * SendNotifyMessageA (USER32.@)
2449 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2451 return SendNotifyMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2455 /***********************************************************************
2456 * SendNotifyMessageW (USER32.@)
2458 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2460 struct send_message_info info;
2464 if (is_pointer_message(msg))
2466 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2470 info.type = MSG_NOTIFY;
2473 info.wparam = wparam;
2474 info.lparam = lparam;
2477 if (is_broadcast(hwnd))
2479 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2483 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2485 if (USER_IsExitingThread( dest_tid )) return TRUE;
2487 if (dest_tid == GetCurrentThreadId())
2489 call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2492 return send_inter_thread_message( dest_tid, &info, &result );
2496 /***********************************************************************
2497 * SendMessageCallbackA (USER32.@)
2499 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2500 SENDASYNCPROC callback, ULONG_PTR data )
2502 return SendMessageCallbackW( hwnd, msg, map_wparam_AtoW( msg, wparam ),
2503 lparam, callback, data );
2507 /***********************************************************************
2508 * SendMessageCallbackW (USER32.@)
2510 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2511 SENDASYNCPROC callback, ULONG_PTR data )
2513 struct send_message_info info;
2517 if (is_pointer_message(msg))
2519 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2523 info.type = MSG_CALLBACK;
2526 info.wparam = wparam;
2527 info.lparam = lparam;
2528 info.callback = callback;
2532 if (is_broadcast(hwnd))
2534 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2538 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2540 if (USER_IsExitingThread( dest_tid )) return TRUE;
2542 if (dest_tid == GetCurrentThreadId())
2544 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2545 call_sendmsg_callback( callback, hwnd, msg, data, result );
2548 FIXME( "callback will not be called\n" );
2549 return send_inter_thread_message( dest_tid, &info, &result );
2553 /***********************************************************************
2554 * ReplyMessage (USER32.@)
2556 BOOL WINAPI ReplyMessage( LRESULT result )
2558 struct received_message_info *info = get_user_thread_info()->receive_info;
2560 if (!info) return FALSE;
2561 reply_message( info, result, FALSE );
2566 /***********************************************************************
2567 * InSendMessage (USER32.@)
2569 BOOL WINAPI InSendMessage(void)
2571 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
2575 /***********************************************************************
2576 * InSendMessageEx (USER32.@)
2578 DWORD WINAPI InSendMessageEx( LPVOID reserved )
2580 struct received_message_info *info = get_user_thread_info()->receive_info;
2582 if (info) return info->flags;
2583 return ISMEX_NOSEND;
2587 /***********************************************************************
2588 * PostMessageA (USER32.@)
2590 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2592 return PostMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2596 /***********************************************************************
2597 * PostMessageW (USER32.@)
2599 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2601 struct send_message_info info;
2604 if (is_pointer_message( msg ))
2606 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2610 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2611 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
2613 info.type = MSG_POSTED;
2616 info.wparam = wparam;
2617 info.lparam = lparam;
2620 if (is_broadcast(hwnd))
2622 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2626 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
2628 if (!(dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2630 if (USER_IsExitingThread( dest_tid )) return TRUE;
2632 return put_message_in_queue( dest_tid, &info, NULL );
2636 /**********************************************************************
2637 * PostThreadMessageA (USER32.@)
2639 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2641 return PostThreadMessageW( thread, msg, map_wparam_AtoW( msg, wparam ), lparam );
2645 /**********************************************************************
2646 * PostThreadMessageW (USER32.@)
2648 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2650 struct send_message_info info;
2652 if (is_pointer_message( msg ))
2654 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2657 if (USER_IsExitingThread( thread )) return TRUE;
2659 info.type = MSG_POSTED;
2662 info.wparam = wparam;
2663 info.lparam = lparam;
2665 return put_message_in_queue( thread, &info, NULL );
2669 /***********************************************************************
2670 * PostQuitMessage (USER32.@)
2672 * Posts a quit message to the current thread's message queue.
2675 * exit_code [I] Exit code to return from message loop.
2681 * This function is not the same as calling:
2682 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
2683 * It instead sets a flag in the message queue that signals it to generate
2684 * a WM_QUIT message when there are no other pending sent or posted messages
2687 void WINAPI PostQuitMessage( INT exit_code )
2689 SERVER_START_REQ( post_quit_message )
2691 req->exit_code = exit_code;
2692 wine_server_call( req );
2698 /***********************************************************************
2699 * PeekMessageW (USER32.@)
2701 BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
2703 struct user_thread_info *thread_info = get_user_thread_info();
2707 FIXME("PM_QS_xxxx flags (%04x) are not handled\n", flags >> 16);
2709 USER_CheckNotLock();
2711 /* check for graphics events */
2712 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
2714 hwnd = WIN_GetFullHandle( hwnd );
2718 if (!peek_message( &msg, hwnd, first, last, (flags & PM_REMOVE) ? GET_MSG_REMOVE : 0 ))
2720 if (!(flags & PM_NOYIELD))
2723 ReleaseThunkLock(&count);
2725 if (count) RestoreThunkLock(count);
2729 if (msg.message & 0x80000000)
2731 handle_internal_message( msg.hwnd, msg.message, msg.wParam, msg.lParam );
2732 if (!(flags & PM_REMOVE)) /* have to remove it explicitly */
2733 peek_message( &msg, msg.hwnd, msg.message, msg.message, GET_MSG_REMOVE );
2738 thread_info->GetMessageTimeVal = msg.time;
2739 msg.pt.x = LOWORD( thread_info->GetMessagePosVal );
2740 msg.pt.y = HIWORD( thread_info->GetMessagePosVal );
2742 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)&msg, TRUE );
2744 /* copy back our internal safe copy of message data to msg_out.
2745 * msg_out is a variable from the *program*, so it can't be used
2746 * internally as it can get "corrupted" by our use of SendMessage()
2747 * (back to the program) inside the message handling itself. */
2750 SetLastError( ERROR_NOACCESS );
2758 /***********************************************************************
2759 * PeekMessageA (USER32.@)
2761 BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
2763 BOOL ret = PeekMessageW( msg, hwnd, first, last, flags );
2764 if (ret) msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2769 /***********************************************************************
2770 * GetMessageW (USER32.@)
2772 BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
2774 HANDLE server_queue = get_server_queue_handle();
2775 int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
2779 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
2780 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
2781 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
2782 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
2783 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
2784 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
2786 else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
2788 while (!PeekMessageW( msg, hwnd, first, last, PM_REMOVE ))
2790 /* wait until one of the bits is set */
2791 unsigned int wake_bits = 0, changed_bits = 0;
2794 SERVER_START_REQ( set_queue_mask )
2796 req->wake_mask = QS_SENDMESSAGE;
2797 req->changed_mask = mask;
2799 if (!wine_server_call( req ))
2801 wake_bits = reply->wake_bits;
2802 changed_bits = reply->changed_bits;
2807 if (changed_bits & mask) continue;
2808 if (wake_bits & QS_SENDMESSAGE) continue;
2810 TRACE( "(%04lx) mask=%08x, bits=%08x, changed=%08x, waiting\n",
2811 GetCurrentThreadId(), mask, wake_bits, changed_bits );
2813 ReleaseThunkLock( &dwlc );
2814 USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue, INFINITE, QS_ALLINPUT, 0 );
2815 if (dwlc) RestoreThunkLock( dwlc );
2818 return (msg->message != WM_QUIT);
2822 /***********************************************************************
2823 * GetMessageA (USER32.@)
2825 BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
2827 GetMessageW( msg, hwnd, first, last );
2828 msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2829 return (msg->message != WM_QUIT);
2833 /***********************************************************************
2834 * IsDialogMessageA (USER32.@)
2835 * IsDialogMessage (USER32.@)
2837 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
2840 msg.wParam = map_wparam_AtoW( msg.message, msg.wParam );
2841 return IsDialogMessageW( hwndDlg, &msg );
2845 /***********************************************************************
2846 * TranslateMessage (USER32.@)
2848 * Implementation of TranslateMessage.
2850 * TranslateMessage translates virtual-key messages into character-messages,
2852 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2853 * ditto replacing WM_* with WM_SYS*
2854 * This produces WM_CHAR messages only for keys mapped to ASCII characters
2855 * by the keyboard driver.
2857 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
2858 * return value is nonzero, regardless of the translation.
2861 BOOL WINAPI TranslateMessage( const MSG *msg )
2867 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
2868 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
2870 TRACE_(key)("Translating key %s (%04x), scancode %02x\n",
2871 SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
2873 GetKeyboardState( state );
2874 /* FIXME : should handle ToUnicode yielding 2 */
2875 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
2878 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2879 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2880 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2881 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2885 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2886 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2887 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2888 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2895 /***********************************************************************
2896 * DispatchMessageA (USER32.@)
2898 * See DispatchMessageW.
2900 LONG WINAPI DispatchMessageA( const MSG* msg )
2906 /* Process timer messages */
2907 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2909 if (msg->lParam) return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2910 msg->message, msg->wParam, GetTickCount() );
2913 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2915 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2918 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2920 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2921 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2924 if (wndPtr->tid != GetCurrentThreadId())
2926 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2927 WIN_ReleasePtr( wndPtr );
2930 winproc = wndPtr->winproc;
2931 WIN_ReleasePtr( wndPtr );
2933 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2934 msg->wParam, msg->lParam );
2935 retval = CallWindowProcA( winproc, msg->hwnd, msg->message,
2936 msg->wParam, msg->lParam );
2937 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
2938 msg->wParam, msg->lParam );
2940 if (msg->message == WM_PAINT)
2942 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
2943 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
2944 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
2945 DeleteObject( hrgn );
2951 /***********************************************************************
2952 * DispatchMessageW (USER32.@) Process a message
2954 * Process the message specified in the structure *_msg_.
2956 * If the lpMsg parameter points to a WM_TIMER message and the
2957 * parameter of the WM_TIMER message is not NULL, the lParam parameter
2958 * points to the function that is called instead of the window
2961 * The message must be valid.
2965 * DispatchMessage() returns the result of the window procedure invoked.
2972 LONG WINAPI DispatchMessageW( const MSG* msg )
2978 /* Process timer messages */
2979 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2981 if (msg->lParam) return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
2982 msg->message, msg->wParam, GetTickCount() );
2985 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2987 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2990 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2992 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2993 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2996 if (wndPtr->tid != GetCurrentThreadId())
2998 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2999 WIN_ReleasePtr( wndPtr );
3002 winproc = wndPtr->winproc;
3003 WIN_ReleasePtr( wndPtr );
3005 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3006 msg->wParam, msg->lParam );
3007 retval = CallWindowProcW( winproc, msg->hwnd, msg->message,
3008 msg->wParam, msg->lParam );
3009 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3010 msg->wParam, msg->lParam );
3012 if (msg->message == WM_PAINT)
3014 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3015 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3016 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3017 DeleteObject( hrgn );
3023 /***********************************************************************
3024 * GetMessagePos (USER.119)
3025 * GetMessagePos (USER32.@)
3027 * The GetMessagePos() function returns a long value representing a
3028 * cursor position, in screen coordinates, when the last message
3029 * retrieved by the GetMessage() function occurs. The x-coordinate is
3030 * in the low-order word of the return value, the y-coordinate is in
3031 * the high-order word. The application can use the MAKEPOINT()
3032 * macro to obtain a POINT structure from the return value.
3034 * For the current cursor position, use GetCursorPos().
3038 * Cursor position of last message on success, zero on failure.
3045 DWORD WINAPI GetMessagePos(void)
3047 return get_user_thread_info()->GetMessagePosVal;
3051 /***********************************************************************
3052 * GetMessageTime (USER.120)
3053 * GetMessageTime (USER32.@)
3055 * GetMessageTime() returns the message time for the last message
3056 * retrieved by the function. The time is measured in milliseconds with
3057 * the same offset as GetTickCount().
3059 * Since the tick count wraps, this is only useful for moderately short
3060 * relative time comparisons.
3064 * Time of last message on success, zero on failure.
3066 LONG WINAPI GetMessageTime(void)
3068 return get_user_thread_info()->GetMessageTimeVal;
3072 /***********************************************************************
3073 * GetMessageExtraInfo (USER.288)
3074 * GetMessageExtraInfo (USER32.@)
3076 LPARAM WINAPI GetMessageExtraInfo(void)
3078 return get_user_thread_info()->GetMessageExtraInfoVal;
3082 /***********************************************************************
3083 * SetMessageExtraInfo (USER32.@)
3085 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3087 struct user_thread_info *thread_info = get_user_thread_info();
3088 LONG old_value = thread_info->GetMessageExtraInfoVal;
3089 thread_info->GetMessageExtraInfoVal = lParam;
3094 /***********************************************************************
3095 * WaitMessage (USER.112) Suspend thread pending messages
3096 * WaitMessage (USER32.@) Suspend thread pending messages
3098 * WaitMessage() suspends a thread until events appear in the thread's
3101 BOOL WINAPI WaitMessage(void)
3103 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3107 /***********************************************************************
3108 * MsgWaitForMultipleObjectsEx (USER32.@)
3110 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3111 DWORD timeout, DWORD mask, DWORD flags )
3113 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3116 if (count > MAXIMUM_WAIT_OBJECTS-1)
3118 SetLastError( ERROR_INVALID_PARAMETER );
3122 /* set the queue mask */
3123 SERVER_START_REQ( set_queue_mask )
3125 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3126 req->changed_mask = mask;
3128 wine_server_call( req );
3132 /* Add the thread event to the handle list */
3133 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3134 handles[count] = get_server_queue_handle();
3136 ReleaseThunkLock( &lock );
3137 ret = USER_Driver->pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
3138 if (ret == count+1) ret = count; /* pretend the msg queue is ready */
3139 if (lock) RestoreThunkLock( lock );
3144 /***********************************************************************
3145 * MsgWaitForMultipleObjects (USER32.@)
3147 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3148 BOOL wait_all, DWORD timeout, DWORD mask )
3150 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3151 wait_all ? MWMO_WAITALL : 0 );
3155 /***********************************************************************
3156 * WaitForInputIdle (USER32.@)
3158 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3160 DWORD start_time, elapsed, ret;
3161 HANDLE idle_event = (HANDLE)-1;
3163 SERVER_START_REQ( wait_input_idle )
3165 req->handle = hProcess;
3166 req->timeout = dwTimeOut;
3167 if (!(ret = wine_server_call_err( req ))) idle_event = reply->event;
3170 if (ret) return WAIT_FAILED; /* error */
3171 if (!idle_event) return 0; /* no event to wait on */
3173 start_time = GetTickCount();
3176 TRACE("waiting for %p\n", idle_event );
3179 ret = MsgWaitForMultipleObjects ( 1, &idle_event, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3182 case WAIT_OBJECT_0+1:
3183 process_sent_messages();
3187 TRACE("timeout or error\n");
3190 TRACE("finished\n");
3193 if (dwTimeOut != INFINITE)
3195 elapsed = GetTickCount() - start_time;
3196 if (elapsed > dwTimeOut)
3202 return WAIT_TIMEOUT;
3206 /***********************************************************************
3207 * UserYield (USER.332)
3209 void WINAPI UserYield16(void)
3213 /* Handle sent messages */
3214 process_sent_messages();
3217 ReleaseThunkLock(&count);
3221 RestoreThunkLock(count);
3222 /* Handle sent messages again */
3223 process_sent_messages();
3228 /***********************************************************************
3229 * RegisterWindowMessageA (USER32.@)
3230 * RegisterWindowMessage (USER.118)
3232 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
3234 UINT ret = GlobalAddAtomA(str);
3235 TRACE("%s, ret=%x\n", str, ret);
3240 /***********************************************************************
3241 * RegisterWindowMessageW (USER32.@)
3243 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
3245 UINT ret = GlobalAddAtomW(str);
3246 TRACE("%s ret=%x\n", debugstr_w(str), ret);
3251 /***********************************************************************
3252 * BroadcastSystemMessageA (USER32.@)
3253 * BroadcastSystemMessage (USER32.@)
3255 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3257 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3259 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3260 PostMessageA( HWND_BROADCAST, msg, wp, lp );
3265 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp);
3271 /***********************************************************************
3272 * BroadcastSystemMessageW (USER32.@)
3274 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3276 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3278 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3279 PostMessageW( HWND_BROADCAST, msg, wp, lp );
3284 FIXME( "(%08lx,%08lx,%08x,%08x,%08lx): stub!\n", flags, *recipients, msg, wp, lp );
3290 /***********************************************************************
3291 * SetMessageQueue (USER32.@)
3293 BOOL WINAPI SetMessageQueue( INT size )
3295 /* now obsolete the message queue will be expanded dynamically as necessary */
3300 /***********************************************************************
3301 * MessageBeep (USER32.@)
3303 BOOL WINAPI MessageBeep( UINT i )
3306 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
3307 if (active) USER_Driver->pBeep();
3312 /***********************************************************************
3313 * SetTimer (USER32.@)
3315 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3318 WNDPROC winproc = 0;
3320 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, WIN_PROC_32A );
3322 SERVER_START_REQ( set_win_timer )
3325 req->msg = WM_TIMER;
3327 req->rate = max( timeout, SYS_TIMER_RATE );
3328 req->lparam = (unsigned int)winproc;
3329 if (!wine_server_call_err( req ))
3332 if (!ret) ret = TRUE;
3338 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3343 /***********************************************************************
3344 * SetSystemTimer (USER32.@)
3346 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3349 WNDPROC winproc = 0;
3351 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, WIN_PROC_32A );
3353 SERVER_START_REQ( set_win_timer )
3356 req->msg = WM_SYSTIMER;
3358 req->rate = max( timeout, SYS_TIMER_RATE );
3359 req->lparam = (unsigned int)winproc;
3360 if (!wine_server_call_err( req ))
3363 if (!ret) ret = TRUE;
3369 TRACE("Added %p %x %p timeout %d\n", hwnd, id, winproc, timeout );
3374 /***********************************************************************
3375 * KillTimer (USER32.@)
3377 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
3381 TRACE("%p %d\n", hwnd, id );
3383 SERVER_START_REQ( kill_win_timer )
3386 req->msg = WM_TIMER;
3388 ret = !wine_server_call_err( req );
3395 /***********************************************************************
3396 * KillSystemTimer (USER32.@)
3398 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
3402 TRACE("%p %d\n", hwnd, id );
3404 SERVER_START_REQ( kill_win_timer )
3407 req->msg = WM_SYSTIMER;
3409 ret = !wine_server_call_err( req );
3416 /**********************************************************************
3417 * GetGUIThreadInfo (USER32.@)
3419 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
3423 SERVER_START_REQ( get_thread_input )
3426 if ((ret = !wine_server_call_err( req )))
3429 info->hwndActive = reply->active;
3430 info->hwndFocus = reply->focus;
3431 info->hwndCapture = reply->capture;
3432 info->hwndMenuOwner = reply->menu_owner;
3433 info->hwndMoveSize = reply->move_size;
3434 info->hwndCaret = reply->caret;
3435 info->rcCaret.left = reply->rect.left;
3436 info->rcCaret.top = reply->rect.top;
3437 info->rcCaret.right = reply->rect.right;
3438 info->rcCaret.bottom = reply->rect.bottom;
3439 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
3440 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
3441 if (reply->caret) info->flags |= GUI_CARETBLINKING;
3449 /******************************************************************
3450 * IsHungAppWindow (USER32.@)
3453 BOOL WINAPI IsHungAppWindow( HWND hWnd )
3456 return !SendMessageTimeoutA(hWnd, WM_NULL, 0, 0, SMTO_ABORTIFHUNG, 5000, &dwResult);