2 * Window messaging support
4 * Copyright 2001 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
28 #define WIN32_NO_STATUS
37 #include "wine/unicode.h"
38 #include "wine/server.h"
39 #include "user_private.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(msg);
46 WINE_DECLARE_DEBUG_CHANNEL(relay);
47 WINE_DECLARE_DEBUG_CHANNEL(key);
49 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
50 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
52 #define MAX_PACK_COUNT 4
53 #define MAX_SENDMSG_RECURSION 64
55 #define SYS_TIMER_RATE 55 /* min. timer rate in ms (actually 54.925)*/
57 /* description of the data fields that need to be packed along with a sent message */
61 const void *data[MAX_PACK_COUNT];
62 size_t size[MAX_PACK_COUNT];
65 /* info about the message currently being received by the current thread */
66 struct received_message_info
68 enum message_type type;
70 UINT flags; /* InSendMessageEx return flags */
73 /* structure to group all parameters for sent messages of the various kinds */
74 struct send_message_info
76 enum message_type type;
82 UINT flags; /* flags for SendMessageTimeout */
83 UINT timeout; /* timeout for SendMessageTimeout */
84 SENDASYNCPROC callback; /* callback function for SendMessageCallback */
85 ULONG_PTR data; /* callback data */
89 /* flag for messages that contain pointers */
90 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
92 #define SET(msg) (1 << ((msg) & 31))
94 static const unsigned int message_pointer_flags[] =
97 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) |
98 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
100 SET(WM_GETMINMAXINFO) | SET(WM_DRAWITEM) | SET(WM_MEASUREITEM) | SET(WM_DELETEITEM) |
103 SET(WM_WINDOWPOSCHANGING) | SET(WM_WINDOWPOSCHANGED) | SET(WM_COPYDATA) |
104 SET(WM_NOTIFY) | SET(WM_HELP),
106 SET(WM_STYLECHANGING) | SET(WM_STYLECHANGED),
108 SET(WM_NCCREATE) | SET(WM_NCCALCSIZE) | SET(WM_GETDLGCODE),
110 SET(EM_GETSEL) | SET(EM_GETRECT) | SET(EM_SETRECT) | SET(EM_SETRECTNP),
112 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
114 SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
120 SET(CB_GETEDITSEL) | SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) |
121 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) |
122 SET(CB_GETDROPPEDCONTROLRECT) | SET(CB_FINDSTRINGEXACT),
126 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_SELECTSTRING) |
127 SET(LB_DIR) | SET(LB_FINDSTRING) |
128 SET(LB_GETSELITEMS) | SET(LB_SETTABSTOPS) | SET(LB_ADDFILE) | SET(LB_GETITEMRECT),
130 SET(LB_FINDSTRINGEXACT),
136 SET(WM_NEXTMENU) | SET(WM_SIZING) | SET(WM_MOVING) | SET(WM_DEVICECHANGE),
138 SET(WM_MDICREATE) | SET(WM_MDIGETACTIVE) | SET(WM_DROPOBJECT) |
139 SET(WM_QUERYDROPOBJECT) | SET(WM_DRAGLOOP) | SET(WM_DRAGSELECT) | SET(WM_DRAGMOVE),
153 SET(WM_ASKCBFORMATNAME)
156 /* flags for messages that contain Unicode strings */
157 static const unsigned int message_unicode_flags[] =
160 SET(WM_CREATE) | SET(WM_SETTEXT) | SET(WM_GETTEXT) | SET(WM_GETTEXTLENGTH) |
161 SET(WM_WININICHANGE) | SET(WM_DEVMODECHANGE),
173 SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETPASSWORDCHAR),
177 SET(WM_CHAR) | SET(WM_DEADCHAR) | SET(WM_SYSCHAR) | SET(WM_SYSDEADCHAR),
181 SET(CB_ADDSTRING) | SET(CB_DIR) | SET(CB_GETLBTEXT) | SET(CB_GETLBTEXTLEN) |
182 SET(CB_INSERTSTRING) | SET(CB_FINDSTRING) | SET(CB_SELECTSTRING) | SET(CB_FINDSTRINGEXACT),
186 SET(LB_ADDSTRING) | SET(LB_INSERTSTRING) | SET(LB_GETTEXT) | SET(LB_GETTEXTLEN) |
187 SET(LB_SELECTSTRING) | SET(LB_DIR) | SET(LB_FINDSTRING) | SET(LB_ADDFILE),
189 SET(LB_FINDSTRINGEXACT),
211 SET(WM_PAINTCLIPBOARD) | SET(WM_SIZECLIPBOARD) | SET(WM_ASKCBFORMATNAME)
214 /* check whether a given message type includes pointers */
215 static inline 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 static inline 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 static inline 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 static inline 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 static inline 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 static inline 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 static inline 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 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
277 static inline BOOL combobox_has_strings( HWND hwnd )
279 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
280 return (!(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) || (style & CBS_HASSTRINGS));
283 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
284 static inline BOOL listbox_has_strings( HWND hwnd )
286 DWORD style = GetWindowLongA( hwnd, GWL_STYLE );
287 return (!(style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE)) || (style & LBS_HASSTRINGS));
290 /* check whether message is in the range of keyboard messages */
291 static inline BOOL is_keyboard_message( UINT message )
293 return (message >= WM_KEYFIRST && message <= WM_KEYLAST);
296 /* check whether message is in the range of mouse messages */
297 static inline BOOL is_mouse_message( UINT message )
299 return ((message >= WM_NCMOUSEFIRST && message <= WM_NCMOUSELAST) ||
300 (message >= WM_MOUSEFIRST && message <= WM_MOUSELAST));
303 /* check whether message matches the specified hwnd filter */
304 static inline BOOL check_hwnd_filter( const MSG *msg, HWND hwnd_filter )
306 if (!hwnd_filter) return TRUE;
307 return (msg->hwnd == hwnd_filter || IsChild( hwnd_filter, msg->hwnd ));
311 /***********************************************************************
312 * broadcast_message_callback
314 * Helper callback for broadcasting messages.
316 static BOOL CALLBACK broadcast_message_callback( HWND hwnd, LPARAM lparam )
318 struct send_message_info *info = (struct send_message_info *)lparam;
319 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & (WS_POPUP|WS_CAPTION))) return TRUE;
323 SendMessageTimeoutW( hwnd, info->msg, info->wparam, info->lparam,
324 info->flags, info->timeout, NULL );
327 SendMessageTimeoutA( hwnd, info->msg, info->wparam, info->lparam,
328 info->flags, info->timeout, NULL );
331 SendNotifyMessageW( hwnd, info->msg, info->wparam, info->lparam );
334 SendMessageCallbackW( hwnd, info->msg, info->wparam, info->lparam,
335 info->callback, info->data );
338 PostMessageW( hwnd, info->msg, info->wparam, info->lparam );
341 ERR( "bad type %d\n", info->type );
348 /***********************************************************************
351 * Convert the wparam of an ASCII message to Unicode.
353 static WPARAM map_wparam_AtoW( UINT message, WPARAM wparam )
358 case EM_SETPASSWORDCHAR:
367 ch[0] = (wparam & 0xff);
368 ch[1] = (wparam >> 8);
369 MultiByteToWideChar(CP_ACP, 0, ch, 2, wch, 2);
370 wparam = MAKEWPARAM(wch[0], wch[1]);
377 ch[0] = (wparam >> 8);
378 ch[1] = (wparam & 0xff);
379 if (ch[0]) MultiByteToWideChar(CP_ACP, 0, ch, 2, &wch, 1);
380 else MultiByteToWideChar(CP_ACP, 0, &ch[1], 1, &wch, 1);
381 wparam = MAKEWPARAM( wch, HIWORD(wparam) );
389 /***********************************************************************
392 * Convert the wparam of a Unicode message to ASCII.
394 static WPARAM map_wparam_WtoA( UINT message, WPARAM wparam )
399 case EM_SETPASSWORDCHAR:
408 wch[0] = LOWORD(wparam);
409 wch[1] = HIWORD(wparam);
410 WideCharToMultiByte( CP_ACP, 0, wch, 2, (LPSTR)ch, 2, NULL, NULL );
411 wparam = MAKEWPARAM( ch[0] | (ch[1] << 8), 0 );
416 WCHAR wch = LOWORD(wparam);
419 if (WideCharToMultiByte( CP_ACP, 0, &wch, 1, (LPSTR)ch, 2, NULL, NULL ) == 2)
420 wparam = MAKEWPARAM( (ch[0] << 8) | ch[1], HIWORD(wparam) );
422 wparam = MAKEWPARAM( ch[0], HIWORD(wparam) );
430 /***********************************************************************
433 * Pack a message for sending to another process.
434 * Return the size of the data we expect in the message reply.
435 * Set data->count to -1 if there is an error.
437 static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
438 struct packed_message *data )
446 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
447 push_data( data, cs, sizeof(*cs) );
448 if (HIWORD(cs->lpszName)) push_string( data, cs->lpszName );
449 if (HIWORD(cs->lpszClass)) push_string( data, cs->lpszClass );
453 case WM_ASKCBFORMATNAME:
454 return wparam * sizeof(WCHAR);
455 case WM_WININICHANGE:
456 if (lparam) push_string(data, (LPWSTR)lparam );
459 case WM_DEVMODECHANGE:
464 push_string( data, (LPWSTR)lparam );
466 case WM_GETMINMAXINFO:
467 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
468 return sizeof(MINMAXINFO);
470 push_data( data, (DRAWITEMSTRUCT *)lparam, sizeof(DRAWITEMSTRUCT) );
473 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
474 return sizeof(MEASUREITEMSTRUCT);
476 push_data( data, (DELETEITEMSTRUCT *)lparam, sizeof(DELETEITEMSTRUCT) );
479 push_data( data, (COMPAREITEMSTRUCT *)lparam, sizeof(COMPAREITEMSTRUCT) );
481 case WM_WINDOWPOSCHANGING:
482 case WM_WINDOWPOSCHANGED:
483 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
484 return sizeof(WINDOWPOS);
487 COPYDATASTRUCT *cp = (COPYDATASTRUCT *)lparam;
488 push_data( data, cp, sizeof(*cp) );
489 if (cp->lpData) push_data( data, cp->lpData, cp->cbData );
493 /* WM_NOTIFY cannot be sent across processes (MSDN) */
497 push_data( data, (HELPINFO *)lparam, sizeof(HELPINFO) );
499 case WM_STYLECHANGING:
500 case WM_STYLECHANGED:
501 push_data( data, (STYLESTRUCT *)lparam, sizeof(STYLESTRUCT) );
506 push_data( data, (RECT *)lparam, sizeof(RECT) );
511 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
512 push_data( data, nc, sizeof(*nc) );
513 push_data( data, nc->lppos, sizeof(*nc->lppos) );
514 return sizeof(*nc) + sizeof(*nc->lppos);
517 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
519 case SBM_SETSCROLLINFO:
520 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
522 case SBM_GETSCROLLINFO:
523 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
524 return sizeof(SCROLLINFO);
525 case SBM_GETSCROLLBARINFO:
527 const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
528 size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
529 push_data( data, info, size );
537 if (wparam) size += sizeof(DWORD);
538 if (lparam) size += sizeof(DWORD);
543 case CB_GETDROPPEDCONTROLRECT:
547 push_data( data, (RECT *)lparam, sizeof(RECT) );
551 WORD *pw = (WORD *)lparam;
552 push_data( data, pw, sizeof(*pw) );
553 return *pw * sizeof(WCHAR);
557 if (wparam) push_data( data, (UINT *)lparam, sizeof(UINT) * wparam );
560 case CB_INSERTSTRING:
562 case CB_FINDSTRINGEXACT:
563 case CB_SELECTSTRING:
564 if (combobox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
567 if (!combobox_has_strings( hwnd )) return sizeof(ULONG_PTR);
568 return (SendMessageW( hwnd, CB_GETLBTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
570 case LB_INSERTSTRING:
572 case LB_FINDSTRINGEXACT:
573 case LB_SELECTSTRING:
574 if (listbox_has_strings( hwnd )) push_string( data, (LPWSTR)lparam );
577 if (!listbox_has_strings( hwnd )) return sizeof(ULONG_PTR);
578 return (SendMessageW( hwnd, LB_GETTEXTLEN, wparam, 0 ) + 1) * sizeof(WCHAR);
580 return wparam * sizeof(UINT);
582 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
583 return sizeof(MDINEXTMENU);
586 push_data( data, (RECT *)lparam, sizeof(RECT) );
590 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
591 push_data( data, cs, sizeof(*cs) );
592 if (HIWORD(cs->szTitle)) push_string( data, cs->szTitle );
593 if (HIWORD(cs->szClass)) push_string( data, cs->szClass );
596 case WM_MDIGETACTIVE:
597 if (lparam) return sizeof(BOOL);
599 case WM_DEVICECHANGE:
601 DEV_BROADCAST_HDR *header = (DEV_BROADCAST_HDR *)lparam;
602 push_data( data, header, header->dbch_size );
605 case WM_WINE_SETWINDOWPOS:
606 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
608 case WM_WINE_KEYBOARD_LL_HOOK:
610 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
611 push_data( data, h_extra, sizeof(*h_extra) );
612 push_data( data, (LPVOID)h_extra->lparam, sizeof(KBDLLHOOKSTRUCT) );
615 case WM_WINE_MOUSE_LL_HOOK:
617 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
618 push_data( data, h_extra, sizeof(*h_extra) );
619 push_data( data, (LPVOID)h_extra->lparam, sizeof(MSLLHOOKSTRUCT) );
623 if (wparam <= 1) return 0;
624 FIXME( "WM_NCPAINT hdc packing not supported yet\n" );
628 if (!wparam) return 0;
631 /* these contain an HFONT */
634 /* these contain an HDC */
636 case WM_ICONERASEBKGND:
637 case WM_CTLCOLORMSGBOX:
638 case WM_CTLCOLOREDIT:
639 case WM_CTLCOLORLISTBOX:
642 case WM_CTLCOLORSCROLLBAR:
643 case WM_CTLCOLORSTATIC:
646 /* these contain an HGLOBAL */
647 case WM_PAINTCLIPBOARD:
648 case WM_SIZECLIPBOARD:
649 /* these contain HICON */
652 case WM_QUERYDRAGICON:
653 case WM_QUERYPARKICON:
654 /* these contain pointers */
656 case WM_QUERYDROPOBJECT:
660 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
668 /***********************************************************************
671 * Unpack a message received from another process.
673 static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
674 void **buffer, size_t size )
683 CREATESTRUCTW *cs = *buffer;
684 WCHAR *str = (WCHAR *)(cs + 1);
685 if (size < sizeof(*cs)) return FALSE;
687 if (HIWORD(cs->lpszName))
689 if (!check_string( str, size )) return FALSE;
691 size -= (strlenW(str) + 1) * sizeof(WCHAR);
692 str += strlenW(str) + 1;
694 if (HIWORD(cs->lpszClass))
696 if (!check_string( str, size )) return FALSE;
702 case WM_ASKCBFORMATNAME:
703 if (!get_buffer_space( buffer, (*wparam * sizeof(WCHAR)) )) return FALSE;
705 case WM_WININICHANGE:
706 if (!*lparam) return TRUE;
709 case WM_DEVMODECHANGE:
714 if (!check_string( *buffer, size )) return FALSE;
716 case WM_GETMINMAXINFO:
717 minsize = sizeof(MINMAXINFO);
720 minsize = sizeof(DRAWITEMSTRUCT);
723 minsize = sizeof(MEASUREITEMSTRUCT);
726 minsize = sizeof(DELETEITEMSTRUCT);
729 minsize = sizeof(COMPAREITEMSTRUCT);
731 case WM_WINDOWPOSCHANGING:
732 case WM_WINDOWPOSCHANGED:
733 case WM_WINE_SETWINDOWPOS:
734 minsize = sizeof(WINDOWPOS);
738 COPYDATASTRUCT *cp = *buffer;
739 if (size < sizeof(*cp)) return FALSE;
742 minsize = sizeof(*cp) + cp->cbData;
748 /* WM_NOTIFY cannot be sent across processes (MSDN) */
751 minsize = sizeof(HELPINFO);
753 case WM_STYLECHANGING:
754 case WM_STYLECHANGED:
755 minsize = sizeof(STYLESTRUCT);
758 if (!*wparam) minsize = sizeof(RECT);
761 NCCALCSIZE_PARAMS *nc = *buffer;
762 if (size < sizeof(*nc) + sizeof(*nc->lppos)) return FALSE;
763 nc->lppos = (WINDOWPOS *)(nc + 1);
767 if (!*lparam) return TRUE;
768 minsize = sizeof(MSG);
770 case SBM_SETSCROLLINFO:
771 minsize = sizeof(SCROLLINFO);
773 case SBM_GETSCROLLINFO:
774 if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
776 case SBM_GETSCROLLBARINFO:
777 if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
782 if (*wparam || *lparam)
784 if (!get_buffer_space( buffer, 2*sizeof(DWORD) )) return FALSE;
785 if (*wparam) *wparam = (WPARAM)*buffer;
786 if (*lparam) *lparam = (LPARAM)((DWORD *)*buffer + 1);
791 case CB_GETDROPPEDCONTROLRECT:
792 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
796 minsize = sizeof(RECT);
801 if (size < sizeof(WORD)) return FALSE;
802 len = *(WORD *)*buffer;
803 if (!get_buffer_space( buffer, (len + 1) * sizeof(WCHAR) )) return FALSE;
804 *lparam = (LPARAM)*buffer + sizeof(WORD); /* don't erase WORD at start of buffer */
809 if (!*wparam) return TRUE;
810 minsize = *wparam * sizeof(UINT);
813 case CB_INSERTSTRING:
815 case CB_FINDSTRINGEXACT:
816 case CB_SELECTSTRING:
818 case LB_INSERTSTRING:
820 case LB_FINDSTRINGEXACT:
821 case LB_SELECTSTRING:
822 if (!*buffer) return TRUE;
823 if (!check_string( *buffer, size )) return FALSE;
827 size = sizeof(ULONG_PTR);
828 if (combobox_has_strings( hwnd ))
829 size = (SendMessageW( hwnd, CB_GETLBTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
830 if (!get_buffer_space( buffer, size )) return FALSE;
835 size = sizeof(ULONG_PTR);
836 if (listbox_has_strings( hwnd ))
837 size = (SendMessageW( hwnd, LB_GETTEXTLEN, *wparam, 0 ) + 1) * sizeof(WCHAR);
838 if (!get_buffer_space( buffer, size )) return FALSE;
842 if (!get_buffer_space( buffer, *wparam * sizeof(UINT) )) return FALSE;
845 minsize = sizeof(MDINEXTMENU);
846 if (!get_buffer_space( buffer, sizeof(MDINEXTMENU) )) return FALSE;
850 minsize = sizeof(RECT);
851 if (!get_buffer_space( buffer, sizeof(RECT) )) return FALSE;
855 MDICREATESTRUCTW *cs = *buffer;
856 WCHAR *str = (WCHAR *)(cs + 1);
857 if (size < sizeof(*cs)) return FALSE;
859 if (HIWORD(cs->szTitle))
861 if (!check_string( str, size )) return FALSE;
863 size -= (strlenW(str) + 1) * sizeof(WCHAR);
864 str += strlenW(str) + 1;
866 if (HIWORD(cs->szClass))
868 if (!check_string( str, size )) return FALSE;
873 case WM_MDIGETACTIVE:
874 if (!*lparam) return TRUE;
875 if (!get_buffer_space( buffer, sizeof(BOOL) )) return FALSE;
877 case WM_DEVICECHANGE:
878 minsize = sizeof(DEV_BROADCAST_HDR);
880 case WM_WINE_KEYBOARD_LL_HOOK:
881 case WM_WINE_MOUSE_LL_HOOK:
883 struct hook_extra_info *h_extra = (struct hook_extra_info *)*buffer;
885 minsize = sizeof(struct hook_extra_info) +
886 (message == WM_WINE_KEYBOARD_LL_HOOK ? sizeof(KBDLLHOOKSTRUCT)
887 : sizeof(MSLLHOOKSTRUCT));
888 if (size < minsize) return FALSE;
889 h_extra->lparam = (LPARAM)(h_extra + 1);
893 if (*wparam <= 1) return TRUE;
894 FIXME( "WM_NCPAINT hdc unpacking not supported\n" );
897 if (!*wparam) return TRUE;
900 /* these contain an HFONT */
903 /* these contain an HDC */
905 case WM_ICONERASEBKGND:
906 case WM_CTLCOLORMSGBOX:
907 case WM_CTLCOLOREDIT:
908 case WM_CTLCOLORLISTBOX:
911 case WM_CTLCOLORSCROLLBAR:
912 case WM_CTLCOLORSTATIC:
915 /* these contain an HGLOBAL */
916 case WM_PAINTCLIPBOARD:
917 case WM_SIZECLIPBOARD:
918 /* these contain HICON */
921 case WM_QUERYDRAGICON:
922 case WM_QUERYPARKICON:
923 /* these contain pointers */
925 case WM_QUERYDROPOBJECT:
929 FIXME( "msg %x (%s) not supported yet\n", message, SPY_GetMsgName(message, hwnd) );
933 return TRUE; /* message doesn't need any unpacking */
936 /* default exit for most messages: check minsize and store buffer in lparam */
937 if (size < minsize) return FALSE;
938 *lparam = (LPARAM)*buffer;
943 /***********************************************************************
946 * Pack a reply to a message for sending to another process.
948 static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
949 LRESULT res, struct packed_message *data )
956 push_data( data, (CREATESTRUCTW *)lparam, sizeof(CREATESTRUCTW) );
961 push_data( data, (WCHAR *)lparam, (res + 1) * sizeof(WCHAR) );
963 case WM_GETMINMAXINFO:
964 push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) );
967 push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) );
969 case WM_WINDOWPOSCHANGING:
970 case WM_WINDOWPOSCHANGED:
971 push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) );
974 if (lparam) push_data( data, (MSG *)lparam, sizeof(MSG) );
976 case SBM_GETSCROLLINFO:
977 push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
981 case CB_GETDROPPEDCONTROLRECT:
984 push_data( data, (RECT *)lparam, sizeof(RECT) );
988 WORD *ptr = (WORD *)lparam;
989 push_data( data, ptr, ptr[-1] * sizeof(WCHAR) );
993 push_data( data, (UINT *)lparam, wparam * sizeof(UINT) );
995 case WM_MDIGETACTIVE:
996 if (lparam) push_data( data, (BOOL *)lparam, sizeof(BOOL) );
1000 push_data( data, (RECT *)lparam, sizeof(RECT) );
1003 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1004 push_data( data, nc, sizeof(*nc) );
1005 push_data( data, nc->lppos, sizeof(*nc->lppos) );
1011 if (wparam) push_data( data, (DWORD *)wparam, sizeof(DWORD) );
1012 if (lparam) push_data( data, (DWORD *)lparam, sizeof(DWORD) );
1015 push_data( data, (MDINEXTMENU *)lparam, sizeof(MDINEXTMENU) );
1018 push_data( data, (MDICREATESTRUCTW *)lparam, sizeof(MDICREATESTRUCTW) );
1020 case WM_ASKCBFORMATNAME:
1021 push_data( data, (WCHAR *)lparam, (strlenW((WCHAR *)lparam) + 1) * sizeof(WCHAR) );
1027 /***********************************************************************
1030 * Unpack a message reply received from another process.
1032 static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
1033 void *buffer, size_t size )
1040 CREATESTRUCTW *cs = (CREATESTRUCTW *)lparam;
1041 LPCWSTR name = cs->lpszName, class = cs->lpszClass;
1042 memcpy( cs, buffer, min( sizeof(*cs), size ));
1043 cs->lpszName = name; /* restore the original pointers */
1044 cs->lpszClass = class;
1048 case WM_ASKCBFORMATNAME:
1049 memcpy( (WCHAR *)lparam, buffer, min( wparam*sizeof(WCHAR), size ));
1051 case WM_GETMINMAXINFO:
1052 memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size ));
1054 case WM_MEASUREITEM:
1055 memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size ));
1057 case WM_WINDOWPOSCHANGING:
1058 case WM_WINDOWPOSCHANGED:
1059 memcpy( (WINDOWPOS *)lparam, buffer, min( sizeof(WINDOWPOS), size ));
1062 if (lparam) memcpy( (MSG *)lparam, buffer, min( sizeof(MSG), size ));
1064 case SBM_GETSCROLLINFO:
1065 memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
1067 case SBM_GETSCROLLBARINFO:
1068 memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
1071 case CB_GETDROPPEDCONTROLRECT:
1072 case LB_GETITEMRECT:
1075 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1078 size = min( size, (size_t)*(WORD *)lparam );
1079 memcpy( (WCHAR *)lparam, buffer, size );
1081 case LB_GETSELITEMS:
1082 memcpy( (UINT *)lparam, buffer, min( wparam*sizeof(UINT), size ));
1086 memcpy( (WCHAR *)lparam, buffer, size );
1089 memcpy( (MDINEXTMENU *)lparam, buffer, min( sizeof(MDINEXTMENU), size ));
1091 case WM_MDIGETACTIVE:
1092 if (lparam) memcpy( (BOOL *)lparam, buffer, min( sizeof(BOOL), size ));
1096 memcpy( (RECT *)lparam, buffer, min( sizeof(RECT), size ));
1099 NCCALCSIZE_PARAMS *nc = (NCCALCSIZE_PARAMS *)lparam;
1100 WINDOWPOS *wp = nc->lppos;
1101 memcpy( nc, buffer, min( sizeof(*nc), size ));
1102 if (size > sizeof(*nc))
1104 size -= sizeof(*nc);
1105 memcpy( wp, (NCCALCSIZE_PARAMS*)buffer + 1, min( sizeof(*wp), size ));
1107 nc->lppos = wp; /* restore the original pointer */
1115 memcpy( (DWORD *)wparam, buffer, min( sizeof(DWORD), size ));
1116 if (size <= sizeof(DWORD)) break;
1117 size -= sizeof(DWORD);
1118 buffer = (DWORD *)buffer + 1;
1120 if (lparam) memcpy( (DWORD *)lparam, buffer, min( sizeof(DWORD), size ));
1124 MDICREATESTRUCTW *cs = (MDICREATESTRUCTW *)lparam;
1125 LPCWSTR title = cs->szTitle, class = cs->szClass;
1126 memcpy( cs, buffer, min( sizeof(*cs), size ));
1127 cs->szTitle = title; /* restore the original pointers */
1128 cs->szClass = class;
1132 ERR( "should not happen: unexpected message %x\n", message );
1138 /***********************************************************************
1141 * Send a reply to a sent message.
1143 static void reply_message( struct received_message_info *info, LRESULT result, BOOL remove )
1145 struct packed_message data;
1146 int i, replied = info->flags & ISMEX_REPLIED;
1148 if (info->flags & ISMEX_NOTIFY) return; /* notify messages don't get replies */
1149 if (!remove && replied) return; /* replied already */
1152 info->flags |= ISMEX_REPLIED;
1154 if (info->type == MSG_OTHER_PROCESS && !replied)
1156 pack_reply( info->msg.hwnd, info->msg.message, info->msg.wParam,
1157 info->msg.lParam, result, &data );
1160 SERVER_START_REQ( reply_message )
1162 req->result = result;
1163 req->remove = remove;
1164 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
1165 wine_server_call( req );
1171 /***********************************************************************
1172 * handle_internal_message
1174 * Handle an internal Wine message instead of calling the window proc.
1176 static LRESULT handle_internal_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
1180 case WM_WINE_DESTROYWINDOW:
1181 return WIN_DestroyWindow( hwnd );
1182 case WM_WINE_SETWINDOWPOS:
1183 if (hwnd == GetDesktopWindow()) return 0;
1184 return USER_SetWindowPos( (WINDOWPOS *)lparam );
1185 case WM_WINE_SHOWWINDOW:
1186 if (hwnd == GetDesktopWindow()) return 0;
1187 return ShowWindow( hwnd, wparam );
1188 case WM_WINE_SETPARENT:
1189 if (hwnd == GetDesktopWindow()) return 0;
1190 return (LRESULT)SetParent( hwnd, (HWND)wparam );
1191 case WM_WINE_SETWINDOWLONG:
1192 return WIN_SetWindowLong( hwnd, (short)LOWORD(wparam), HIWORD(wparam), lparam, TRUE );
1193 case WM_WINE_ENABLEWINDOW:
1194 if (hwnd == GetDesktopWindow()) return 0;
1195 return EnableWindow( hwnd, wparam );
1196 case WM_WINE_SETACTIVEWINDOW:
1197 if (hwnd == GetDesktopWindow()) return 0;
1198 return (LRESULT)SetActiveWindow( (HWND)wparam );
1199 case WM_WINE_KEYBOARD_LL_HOOK:
1200 case WM_WINE_MOUSE_LL_HOOK:
1202 struct hook_extra_info *h_extra = (struct hook_extra_info *)lparam;
1204 return call_current_hook( h_extra->handle, HC_ACTION, wparam, h_extra->lparam );
1207 if (msg >= WM_WINE_FIRST_DRIVER_MSG && msg <= WM_WINE_LAST_DRIVER_MSG)
1208 return USER_Driver->pWindowMessage( hwnd, msg, wparam, lparam );
1209 FIXME( "unknown internal message %x\n", msg );
1214 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1215 * to the memory handle, we keep track (in the server side) of all pairs of handle
1216 * used (the client passes its value and the content of the memory handle), and
1217 * the server stored both values (the client, and the local one, created after the
1218 * content). When a ACK message is generated, the list of pair is searched for a
1219 * matching pair, so that the client memory handle can be returned.
1222 HGLOBAL client_hMem;
1223 HGLOBAL server_hMem;
1226 static struct DDE_pair* dde_pairs;
1227 static int dde_num_alloc;
1228 static int dde_num_used;
1230 static CRITICAL_SECTION dde_crst;
1231 static CRITICAL_SECTION_DEBUG critsect_debug =
1234 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
1235 0, 0, { (DWORD_PTR)(__FILE__ ": dde_crst") }
1237 static CRITICAL_SECTION dde_crst = { &critsect_debug, -1, 0, 0, 0, 0 };
1239 static BOOL dde_add_pair(HGLOBAL chm, HGLOBAL shm)
1244 EnterCriticalSection(&dde_crst);
1246 /* now remember the pair of hMem on both sides */
1247 if (dde_num_used == dde_num_alloc)
1249 struct DDE_pair* tmp;
1251 tmp = HeapReAlloc( GetProcessHeap(), 0, dde_pairs,
1252 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1254 tmp = HeapAlloc( GetProcessHeap(), 0,
1255 (dde_num_alloc + GROWBY) * sizeof(struct DDE_pair));
1259 LeaveCriticalSection(&dde_crst);
1263 /* zero out newly allocated part */
1264 memset(&dde_pairs[dde_num_alloc], 0, GROWBY * sizeof(struct DDE_pair));
1265 dde_num_alloc += GROWBY;
1268 for (i = 0; i < dde_num_alloc; i++)
1270 if (dde_pairs[i].server_hMem == 0)
1272 dde_pairs[i].client_hMem = chm;
1273 dde_pairs[i].server_hMem = shm;
1278 LeaveCriticalSection(&dde_crst);
1282 static HGLOBAL dde_get_pair(HGLOBAL shm)
1287 EnterCriticalSection(&dde_crst);
1288 for (i = 0; i < dde_num_alloc; i++)
1290 if (dde_pairs[i].server_hMem == shm)
1292 /* free this pair */
1293 dde_pairs[i].server_hMem = 0;
1295 ret = dde_pairs[i].client_hMem;
1299 LeaveCriticalSection(&dde_crst);
1303 /***********************************************************************
1306 * Post a DDE message
1308 static BOOL post_dde_message( struct packed_message *data, const struct send_message_info *info )
1312 UINT_PTR uiLo, uiHi;
1314 HGLOBAL hunlock = 0;
1318 if (!UnpackDDElParam( info->msg, info->lparam, &uiLo, &uiHi ))
1324 /* DDE messages which don't require packing are:
1333 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
1334 HGLOBAL h = dde_get_pair( (HANDLE)uiHi );
1337 /* send back the value of h on the other side */
1338 push_data( data, &h, sizeof(HGLOBAL) );
1340 TRACE( "send dde-ack %lx %08lx => %p\n", uiLo, uiHi, h );
1345 /* uiHi should contain either an atom or 0 */
1346 TRACE( "send dde-ack %lx atom=%lx\n", uiLo, uiHi );
1347 lp = MAKELONG( uiLo, uiHi );
1356 size = GlobalSize( (HGLOBAL)uiLo ) ;
1357 if ((info->msg == WM_DDE_ADVISE && size < sizeof(DDEADVISE)) ||
1358 (info->msg == WM_DDE_DATA && size < sizeof(DDEDATA)) ||
1359 (info->msg == WM_DDE_POKE && size < sizeof(DDEPOKE))
1363 else if (info->msg != WM_DDE_DATA) return FALSE;
1368 if ((ptr = GlobalLock( (HGLOBAL)uiLo) ))
1370 DDEDATA *dde_data = (DDEDATA *)ptr;
1371 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
1372 dde_data->unused, dde_data->fResponse, dde_data->fRelease,
1373 dde_data->reserved, dde_data->fAckReq, dde_data->cfFormat);
1374 push_data( data, ptr, size );
1375 hunlock = (HGLOBAL)uiLo;
1378 TRACE( "send ddepack %u %lx\n", size, uiHi );
1380 case WM_DDE_EXECUTE:
1383 if ((ptr = GlobalLock( (HGLOBAL)info->lparam) ))
1385 push_data(data, ptr, GlobalSize( (HGLOBAL)info->lparam ));
1386 /* so that the other side can send it back on ACK */
1388 hunlock = (HGLOBAL)info->lparam;
1393 SERVER_START_REQ( send_message )
1395 req->id = info->dest_tid;
1396 req->type = info->type;
1398 req->win = info->hwnd;
1399 req->msg = info->msg;
1400 req->wparam = info->wparam;
1402 req->timeout = TIMEOUT_INFINITE;
1403 for (i = 0; i < data->count; i++)
1404 wine_server_add_data( req, data->data[i], data->size[i] );
1405 if ((res = wine_server_call( req )))
1407 if (res == STATUS_INVALID_PARAMETER)
1408 /* FIXME: find a STATUS_ value for this one */
1409 SetLastError( ERROR_INVALID_THREAD_ID );
1411 SetLastError( RtlNtStatusToDosError(res) );
1414 FreeDDElParam(info->msg, info->lparam);
1417 if (hunlock) GlobalUnlock(hunlock);
1422 /***********************************************************************
1423 * unpack_dde_message
1425 * Unpack a posted DDE message received from another process.
1427 static BOOL unpack_dde_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lparam,
1428 void **buffer, size_t size )
1430 UINT_PTR uiLo, uiHi;
1439 /* hMem is being passed */
1440 if (size != sizeof(HGLOBAL)) return FALSE;
1441 if (!buffer || !*buffer) return FALSE;
1443 memcpy( &hMem, *buffer, size );
1444 uiHi = (UINT_PTR)hMem;
1445 TRACE("recv dde-ack %lx mem=%lx[%lx]\n", uiLo, uiHi, GlobalSize( hMem ));
1449 uiLo = LOWORD( *lparam );
1450 uiHi = HIWORD( *lparam );
1451 TRACE("recv dde-ack %lx atom=%lx\n", uiLo, uiHi);
1453 *lparam = PackDDElParam( WM_DDE_ACK, uiLo, uiHi );
1458 if ((!buffer || !*buffer) && message != WM_DDE_DATA) return FALSE;
1462 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size )))
1464 if ((ptr = GlobalLock( hMem )))
1466 memcpy( ptr, *buffer, size );
1467 GlobalUnlock( hMem );
1475 uiLo = (UINT_PTR)hMem;
1477 *lparam = PackDDElParam( message, uiLo, uiHi );
1479 case WM_DDE_EXECUTE:
1482 if (!buffer || !*buffer) return FALSE;
1483 if (!(hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_DDESHARE, size ))) return FALSE;
1484 if ((ptr = GlobalLock( hMem )))
1486 memcpy( ptr, *buffer, size );
1487 GlobalUnlock( hMem );
1488 TRACE( "exec: pairing c=%08lx s=%p\n", *lparam, hMem );
1489 if (!dde_add_pair( (HGLOBAL)*lparam, hMem ))
1500 } else return FALSE;
1501 *lparam = (LPARAM)hMem;
1507 /***********************************************************************
1510 * Call a window procedure and the corresponding hooks.
1512 static LRESULT call_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
1513 BOOL unicode, BOOL same_thread )
1515 struct user_thread_info *thread_info = get_user_thread_info();
1519 CWPRETSTRUCT cwpret;
1521 if (thread_info->recursion_count > MAX_SENDMSG_RECURSION) return 0;
1522 thread_info->recursion_count++;
1524 if (msg & 0x80000000)
1526 result = handle_internal_message( hwnd, msg, wparam, lparam );
1530 /* first the WH_CALLWNDPROC hook */
1531 hwnd = WIN_GetFullHandle( hwnd );
1532 cwp.lParam = lparam;
1533 cwp.wParam = wparam;
1536 HOOK_CallHooks( WH_CALLWNDPROC, HC_ACTION, same_thread, (LPARAM)&cwp, unicode );
1538 /* now call the window procedure */
1541 if (!(winproc = (WNDPROC)GetWindowLongPtrW( hwnd, GWLP_WNDPROC ))) goto done;
1542 result = CallWindowProcW( winproc, hwnd, msg, wparam, lparam );
1546 if (!(winproc = (WNDPROC)GetWindowLongPtrA( hwnd, GWLP_WNDPROC ))) goto done;
1547 result = CallWindowProcA( winproc, hwnd, msg, wparam, lparam );
1550 /* and finally the WH_CALLWNDPROCRET hook */
1551 cwpret.lResult = result;
1552 cwpret.lParam = lparam;
1553 cwpret.wParam = wparam;
1554 cwpret.message = msg;
1556 HOOK_CallHooks( WH_CALLWNDPROCRET, HC_ACTION, same_thread, (LPARAM)&cwpret, unicode );
1558 thread_info->recursion_count--;
1563 /***********************************************************************
1564 * send_parent_notify
1566 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
1567 * the window has the WS_EX_NOPARENTNOTIFY style.
1569 static void send_parent_notify( HWND hwnd, WORD event, WORD idChild, POINT pt )
1571 /* pt has to be in the client coordinates of the parent window */
1572 MapWindowPoints( 0, hwnd, &pt, 1 );
1577 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) break;
1578 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) break;
1579 if (!(parent = GetParent(hwnd))) break;
1580 if (parent == GetDesktopWindow()) break;
1581 MapWindowPoints( hwnd, parent, &pt, 1 );
1583 SendMessageW( hwnd, WM_PARENTNOTIFY,
1584 MAKEWPARAM( event, idChild ), MAKELPARAM( pt.x, pt.y ) );
1589 /***********************************************************************
1590 * accept_hardware_message
1592 * Tell the server we have passed the message to the app
1593 * (even though we may end up dropping it later on)
1595 static void accept_hardware_message( UINT hw_id, BOOL remove, HWND new_hwnd )
1597 SERVER_START_REQ( accept_hardware_message )
1600 req->remove = remove;
1601 req->new_win = new_hwnd;
1602 if (wine_server_call( req ))
1603 FIXME("Failed to reply to MSG_HARDWARE message. Message may not be removed from queue.\n");
1609 /***********************************************************************
1610 * process_keyboard_message
1612 * returns TRUE if the contents of 'msg' should be passed to the application
1614 static BOOL process_keyboard_message( MSG *msg, UINT hw_id, HWND hwnd_filter,
1615 UINT first, UINT last, BOOL remove )
1619 /* FIXME: is this really the right place for this hook? */
1620 event.message = msg->message;
1621 event.hwnd = msg->hwnd;
1622 event.time = msg->time;
1623 event.paramL = (msg->wParam & 0xFF) | (HIWORD(msg->lParam) << 8);
1624 event.paramH = msg->lParam & 0x7FFF;
1625 if (HIWORD(msg->lParam) & 0x0100) event.paramH |= 0x8000; /* special_key - bit */
1626 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1628 /* check message filters */
1629 if (msg->message < first || msg->message > last) return FALSE;
1630 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1634 if((msg->message == WM_KEYDOWN) &&
1635 (msg->hwnd != GetDesktopWindow()))
1637 /* Handle F1 key by sending out WM_HELP message */
1638 if(msg->wParam == VK_F1 &&
1639 !MENU_IsMenuActive())
1642 hi.cbSize = sizeof(HELPINFO);
1643 hi.iContextType = HELPINFO_WINDOW;
1644 hi.iCtrlId = GetWindowLongPtrA( msg->hwnd, GWLP_ID );
1645 hi.hItemHandle = msg->hwnd;
1646 hi.dwContextId = GetWindowContextHelpId( msg->hwnd );
1647 hi.MousePos = msg->pt;
1648 SendMessageW( msg->hwnd, WM_HELP, 0, (LPARAM)&hi );
1650 else if(msg->wParam >= VK_BROWSER_BACK &&
1651 msg->wParam <= VK_LAUNCH_APP2)
1653 /* FIXME: Process keystate */
1654 SendMessageW(msg->hwnd, WM_APPCOMMAND, (WPARAM)msg->hwnd, MAKELPARAM(0, (FAPPCOMMAND_KEY | (msg->wParam - VK_BROWSER_BACK + 1))));
1657 else if (msg->message == WM_KEYUP)
1659 /* Handle VK_APPS key by posting a WM_CONTEXTMENU message */
1660 if (msg->wParam == VK_APPS && !MENU_IsMenuActive())
1661 PostMessageW(msg->hwnd, WM_CONTEXTMENU, (WPARAM)msg->hwnd, (LPARAM)-1);
1665 if (HOOK_CallHooks( WH_KEYBOARD, remove ? HC_ACTION : HC_NOREMOVE,
1666 LOWORD(msg->wParam), msg->lParam, TRUE ))
1668 /* skip this message */
1669 HOOK_CallHooks( WH_CBT, HCBT_KEYSKIPPED, LOWORD(msg->wParam), msg->lParam, TRUE );
1670 accept_hardware_message( hw_id, TRUE, 0 );
1673 accept_hardware_message( hw_id, remove, 0 );
1678 /***********************************************************************
1679 * process_mouse_message
1681 * returns TRUE if the contents of 'msg' should be passed to the application
1683 static BOOL process_mouse_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1684 UINT first, UINT last, BOOL remove )
1693 MOUSEHOOKSTRUCT hook;
1696 /* find the window to dispatch this mouse message to */
1698 GetGUIThreadInfo( GetCurrentThreadId(), &info );
1699 if (info.hwndCapture)
1702 msg->hwnd = info.hwndCapture;
1706 msg->hwnd = WINPOS_WindowFromPoint( msg->hwnd, msg->pt, &hittest );
1709 if (!msg->hwnd || !WIN_IsCurrentThread( msg->hwnd ))
1711 accept_hardware_message( hw_id, TRUE, msg->hwnd );
1715 /* FIXME: is this really the right place for this hook? */
1716 event.message = msg->message;
1717 event.time = msg->time;
1718 event.hwnd = msg->hwnd;
1719 event.paramL = msg->pt.x;
1720 event.paramH = msg->pt.y;
1721 HOOK_CallHooks( WH_JOURNALRECORD, HC_ACTION, 0, (LPARAM)&event, TRUE );
1723 if (!check_hwnd_filter( msg, hwnd_filter )) return FALSE;
1726 message = msg->message;
1727 /* Note: windows has no concept of a non-client wheel message */
1728 if (message != WM_MOUSEWHEEL)
1730 if (hittest != HTCLIENT)
1732 message += WM_NCMOUSEMOVE - WM_MOUSEMOVE;
1733 msg->wParam = hittest;
1737 /* coordinates don't get translated while tracking a menu */
1738 /* FIXME: should differentiate popups and top-level menus */
1739 if (!(info.flags & GUI_INMENUMODE))
1740 ScreenToClient( msg->hwnd, &pt );
1743 msg->lParam = MAKELONG( pt.x, pt.y );
1745 /* translate double clicks */
1747 if ((msg->message == WM_LBUTTONDOWN) ||
1748 (msg->message == WM_RBUTTONDOWN) ||
1749 (msg->message == WM_MBUTTONDOWN) ||
1750 (msg->message == WM_XBUTTONDOWN))
1752 BOOL update = remove;
1754 /* translate double clicks -
1755 * note that ...MOUSEMOVEs can slip in between
1756 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
1758 if ((info.flags & (GUI_INMENUMODE|GUI_INMOVESIZE)) ||
1759 hittest != HTCLIENT ||
1760 (GetClassLongA( msg->hwnd, GCL_STYLE ) & CS_DBLCLKS))
1762 if ((msg->message == clk_msg.message) &&
1763 (msg->hwnd == clk_msg.hwnd) &&
1764 (msg->wParam == clk_msg.wParam) &&
1765 (msg->time - clk_msg.time < GetDoubleClickTime()) &&
1766 (abs(msg->pt.x - clk_msg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
1767 (abs(msg->pt.y - clk_msg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
1769 message += (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
1772 clk_msg.message = 0; /* clear the double click conditions */
1777 if (message < first || message > last) return FALSE;
1778 /* update static double click conditions */
1779 if (update) clk_msg = *msg;
1783 if (message < first || message > last) return FALSE;
1786 /* message is accepted now (but may still get dropped) */
1789 hook.hwnd = msg->hwnd;
1790 hook.wHitTestCode = hittest;
1791 hook.dwExtraInfo = extra_info;
1792 if (HOOK_CallHooks( WH_MOUSE, remove ? HC_ACTION : HC_NOREMOVE,
1793 message, (LPARAM)&hook, TRUE ))
1796 hook.hwnd = msg->hwnd;
1797 hook.wHitTestCode = hittest;
1798 hook.dwExtraInfo = extra_info;
1799 HOOK_CallHooks( WH_CBT, HCBT_CLICKSKIPPED, message, (LPARAM)&hook, TRUE );
1800 accept_hardware_message( hw_id, TRUE, 0 );
1804 if ((hittest == HTERROR) || (hittest == HTNOWHERE))
1806 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd,
1807 MAKELONG( hittest, msg->message ));
1808 accept_hardware_message( hw_id, TRUE, 0 );
1812 accept_hardware_message( hw_id, remove, 0 );
1814 if (!remove || info.hwndCapture)
1816 msg->message = message;
1822 if ((msg->message == WM_LBUTTONDOWN) ||
1823 (msg->message == WM_RBUTTONDOWN) ||
1824 (msg->message == WM_MBUTTONDOWN) ||
1825 (msg->message == WM_XBUTTONDOWN))
1827 /* Send the WM_PARENTNOTIFY,
1828 * note that even for double/nonclient clicks
1829 * notification message is still WM_L/M/RBUTTONDOWN.
1831 send_parent_notify( msg->hwnd, msg->message, 0, msg->pt );
1833 /* Activate the window if needed */
1835 if (msg->hwnd != info.hwndActive)
1837 HWND hwndTop = msg->hwnd;
1840 if ((GetWindowLongW( hwndTop, GWL_STYLE ) & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
1841 hwndTop = GetParent( hwndTop );
1844 if (hwndTop && hwndTop != GetDesktopWindow())
1846 LONG ret = SendMessageW( msg->hwnd, WM_MOUSEACTIVATE, (WPARAM)hwndTop,
1847 MAKELONG( hittest, msg->message ) );
1850 case MA_NOACTIVATEANDEAT:
1855 case MA_ACTIVATEANDEAT:
1860 if (!FOCUS_MouseActivate( hwndTop )) eatMsg = TRUE;
1863 WARN( "unknown WM_MOUSEACTIVATE code %d\n", ret );
1870 /* send the WM_SETCURSOR message */
1872 /* Windows sends the normal mouse message as the message parameter
1873 in the WM_SETCURSOR message even if it's non-client mouse message */
1874 SendMessageW( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
1876 msg->message = message;
1881 /***********************************************************************
1882 * process_hardware_message
1884 * Process a hardware message; return TRUE if message should be passed on to the app
1886 static BOOL process_hardware_message( MSG *msg, UINT hw_id, ULONG_PTR extra_info, HWND hwnd_filter,
1887 UINT first, UINT last, BOOL remove )
1889 if (is_keyboard_message( msg->message ))
1890 return process_keyboard_message( msg, hw_id, hwnd_filter, first, last, remove );
1892 if (is_mouse_message( msg->message ))
1893 return process_mouse_message( msg, hw_id, extra_info, hwnd_filter, first, last, remove );
1895 ERR( "unknown message type %x\n", msg->message );
1900 /***********************************************************************
1901 * call_sendmsg_callback
1903 * Call the callback function of SendMessageCallback.
1905 static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
1906 ULONG_PTR data, LRESULT result )
1908 if (!callback) return;
1910 if (TRACE_ON(relay))
1911 DPRINTF( "%04x:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1912 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1914 callback( hwnd, msg, data, result );
1915 if (TRACE_ON(relay))
1916 DPRINTF( "%04x:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1917 GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
1922 /***********************************************************************
1925 * Retrieve the hook procedure real value for a module-relative proc
1927 static void *get_hook_proc( void *proc, const WCHAR *module )
1931 if (!(mod = GetModuleHandleW(module)))
1933 TRACE( "loading %s\n", debugstr_w(module) );
1934 /* FIXME: the library will never be freed */
1935 if (!(mod = LoadLibraryW(module))) return NULL;
1937 return (char *)mod + (ULONG_PTR)proc;
1941 /***********************************************************************
1944 * Peek for a message matching the given parameters. Return FALSE if none available.
1945 * All pending sent messages are processed before returning.
1947 static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
1950 ULONG_PTR extra_info = 0;
1951 struct user_thread_info *thread_info = get_user_thread_info();
1952 struct received_message_info info, *old_info;
1953 unsigned int hw_id = 0; /* id of previous hardware message */
1955 if (!first && !last) last = ~0;
1960 void *buffer = NULL;
1961 size_t size = 0, buffer_size = 0;
1963 do /* loop while buffer is too small */
1965 if (buffer_size && !(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
1967 SERVER_START_REQ( get_message )
1970 req->get_win = hwnd;
1971 req->get_first = first;
1972 req->get_last = last;
1974 if (buffer_size) wine_server_set_reply( req, buffer, buffer_size );
1975 if (!(res = wine_server_call( req )))
1977 size = wine_server_reply_size( reply );
1978 info.type = reply->type;
1979 info.msg.hwnd = reply->win;
1980 info.msg.message = reply->msg;
1981 info.msg.wParam = reply->wparam;
1982 info.msg.lParam = reply->lparam;
1983 info.msg.time = reply->time;
1984 info.msg.pt.x = reply->x;
1985 info.msg.pt.y = reply->y;
1986 hw_id = reply->hw_id;
1987 extra_info = reply->info;
1988 thread_info->active_hooks = reply->active_hooks;
1992 HeapFree( GetProcessHeap(), 0, buffer );
1993 buffer_size = reply->total;
1997 } while (res == STATUS_BUFFER_OVERFLOW);
1999 if (res) return FALSE;
2001 TRACE( "got type %d msg %x (%s) hwnd %p wp %lx lp %lx\n",
2002 info.type, info.msg.message,
2003 (info.type == MSG_WINEVENT) ? "MSG_WINEVENT" : SPY_GetMsgName(info.msg.message, info.msg.hwnd),
2004 info.msg.hwnd, info.msg.wParam, info.msg.lParam );
2010 info.flags = ISMEX_SEND;
2013 info.flags = ISMEX_NOTIFY;
2016 info.flags = ISMEX_CALLBACK;
2018 case MSG_CALLBACK_RESULT:
2019 if (size >= sizeof(struct callback_msg_data))
2021 const struct callback_msg_data *data = (const struct callback_msg_data *)buffer;
2022 call_sendmsg_callback( data->callback, info.msg.hwnd,
2023 info.msg.message, data->data, data->result );
2027 if (size >= sizeof(struct winevent_msg_data))
2029 WINEVENTPROC hook_proc;
2030 const struct winevent_msg_data *data = (const struct winevent_msg_data *)buffer;
2032 hook_proc = data->hook_proc;
2033 size -= sizeof(*data);
2036 WCHAR module[MAX_PATH];
2038 size = min( size, (MAX_PATH - 1) * sizeof(WCHAR) );
2039 memcpy( module, buffer, size );
2040 module[size / sizeof(WCHAR)] = 0;
2041 if (!(hook_proc = get_hook_proc( hook_proc, module )))
2043 ERR( "invalid winevent hook module name %s\n", debugstr_w(module) );
2048 if (TRACE_ON(relay))
2049 DPRINTF( "%04x:Call winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2050 GetCurrentThreadId(), hook_proc,
2051 data->hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2052 info.msg.lParam, data->tid, info.msg.time);
2054 hook_proc( data->hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2055 info.msg.lParam, data->tid, info.msg.time );
2057 if (TRACE_ON(relay))
2058 DPRINTF( "%04x:Ret winevent proc %p (hook=%p,event=%x,hwnd=%p,object_id=%lx,child_id=%lx,tid=%04x,time=%x)\n",
2059 GetCurrentThreadId(), hook_proc,
2060 data->hook, info.msg.message, info.msg.hwnd, info.msg.wParam,
2061 info.msg.lParam, data->tid, info.msg.time);
2064 case MSG_OTHER_PROCESS:
2065 info.flags = ISMEX_SEND;
2066 if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2067 &info.msg.lParam, &buffer, size ))
2070 reply_message( &info, 0, TRUE );
2075 if (!process_hardware_message( &info.msg, hw_id, extra_info,
2076 hwnd, first, last, flags & PM_REMOVE ))
2078 TRACE("dropping msg %x\n", info.msg.message );
2079 goto next; /* ignore it */
2081 thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
2084 thread_info->GetMessageExtraInfoVal = extra_info;
2085 if (info.msg.message >= WM_DDE_FIRST && info.msg.message <= WM_DDE_LAST)
2087 if (!unpack_dde_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
2088 &info.msg.lParam, &buffer, size ))
2089 goto next; /* ignore it */
2092 HeapFree( GetProcessHeap(), 0, buffer );
2096 /* if we get here, we have a sent message; call the window procedure */
2097 old_info = thread_info->receive_info;
2098 thread_info->receive_info = &info;
2099 result = call_window_proc( info.msg.hwnd, info.msg.message, info.msg.wParam,
2100 info.msg.lParam, (info.type != MSG_ASCII), FALSE );
2101 reply_message( &info, result, TRUE );
2102 thread_info->receive_info = old_info;
2104 HeapFree( GetProcessHeap(), 0, buffer );
2106 /* if some PM_QS* flags were specified, only handle sent messages from now on */
2107 if (HIWORD(flags)) flags = PM_QS_SENDMESSAGE | LOWORD(flags);
2112 /***********************************************************************
2113 * process_sent_messages
2115 * Process all pending sent messages.
2117 static inline void process_sent_messages(void)
2120 peek_message( &msg, 0, 0, 0, PM_REMOVE | PM_QS_SENDMESSAGE );
2124 /***********************************************************************
2125 * get_server_queue_handle
2127 * Get a handle to the server message queue for the current thread.
2129 static HANDLE get_server_queue_handle(void)
2131 struct user_thread_info *thread_info = get_user_thread_info();
2134 if (!(ret = thread_info->server_queue))
2136 SERVER_START_REQ( get_msg_queue )
2138 wine_server_call( req );
2139 ret = reply->handle;
2142 thread_info->server_queue = ret;
2143 if (!ret) ERR( "Cannot get server thread queue\n" );
2149 /***********************************************************************
2150 * wait_message_reply
2152 * Wait until a sent message gets replied to.
2154 static void wait_message_reply( UINT flags )
2156 HANDLE server_queue = get_server_queue_handle();
2160 unsigned int wake_bits = 0, changed_bits = 0;
2163 SERVER_START_REQ( set_queue_mask )
2165 req->wake_mask = QS_SMRESULT | ((flags & SMTO_BLOCK) ? 0 : QS_SENDMESSAGE);
2166 req->changed_mask = req->wake_mask;
2168 if (!wine_server_call( req ))
2170 wake_bits = reply->wake_bits;
2171 changed_bits = reply->changed_bits;
2176 if (wake_bits & QS_SMRESULT) return; /* got a result */
2177 if (wake_bits & QS_SENDMESSAGE)
2179 /* Process the sent message immediately */
2180 process_sent_messages();
2184 /* now wait for it */
2186 ReleaseThunkLock( &dwlc );
2187 res = USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue,
2188 INFINITE, QS_SENDMESSAGE, 0 );
2189 if (dwlc) RestoreThunkLock( dwlc );
2193 /***********************************************************************
2194 * put_message_in_queue
2196 * Put a sent message into the destination queue.
2197 * For inter-process message, reply_size is set to expected size of reply data.
2199 static BOOL put_message_in_queue( const struct send_message_info *info, size_t *reply_size )
2201 struct packed_message data;
2202 message_data_t msg_data;
2205 timeout_t timeout = TIMEOUT_INFINITE;
2207 /* Check for INFINITE timeout for compatibility with Win9x,
2208 * although Windows >= NT does not do so
2210 if (info->type != MSG_NOTIFY &&
2211 info->type != MSG_CALLBACK &&
2212 info->type != MSG_POSTED &&
2214 info->timeout != INFINITE)
2216 /* timeout is signed despite the prototype */
2217 timeout = (timeout_t)max( 0, (int)info->timeout ) * -10000;
2221 if (info->type == MSG_OTHER_PROCESS)
2223 *reply_size = pack_message( info->hwnd, info->msg, info->wparam, info->lparam, &data );
2224 if (data.count == -1)
2226 WARN( "cannot pack message %x\n", info->msg );
2230 else if (info->type == MSG_CALLBACK)
2232 msg_data.callback.callback = info->callback;
2233 msg_data.callback.data = info->data;
2234 msg_data.callback.result = 0;
2235 data.data[0] = &msg_data;
2236 data.size[0] = sizeof(msg_data.callback);
2239 else if (info->type == MSG_POSTED && info->msg >= WM_DDE_FIRST && info->msg <= WM_DDE_LAST)
2241 return post_dde_message( &data, info );
2244 SERVER_START_REQ( send_message )
2246 req->id = info->dest_tid;
2247 req->type = info->type;
2249 req->win = info->hwnd;
2250 req->msg = info->msg;
2251 req->wparam = info->wparam;
2252 req->lparam = info->lparam;
2253 req->timeout = timeout;
2255 if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
2256 for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
2257 if ((res = wine_server_call( req )))
2259 if (res == STATUS_INVALID_PARAMETER)
2260 /* FIXME: find a STATUS_ value for this one */
2261 SetLastError( ERROR_INVALID_THREAD_ID );
2263 SetLastError( RtlNtStatusToDosError(res) );
2271 /***********************************************************************
2274 * Retrieve a message reply from the server.
2276 static LRESULT retrieve_reply( const struct send_message_info *info,
2277 size_t reply_size, LRESULT *result )
2280 void *reply_data = NULL;
2284 if (!(reply_data = HeapAlloc( GetProcessHeap(), 0, reply_size )))
2286 WARN( "no memory for reply, will be truncated\n" );
2290 SERVER_START_REQ( get_message_reply )
2293 if (reply_size) wine_server_set_reply( req, reply_data, reply_size );
2294 if (!(status = wine_server_call( req ))) *result = reply->result;
2295 reply_size = wine_server_reply_size( reply );
2298 if (!status && reply_size)
2299 unpack_reply( info->hwnd, info->msg, info->wparam, info->lparam, reply_data, reply_size );
2301 HeapFree( GetProcessHeap(), 0, reply_data );
2303 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx got reply %lx (err=%d)\n",
2304 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam,
2305 info->lparam, *result, status );
2307 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
2308 if (status) SetLastError( RtlNtStatusToDosError(status) );
2313 /***********************************************************************
2314 * send_inter_thread_message
2316 static LRESULT send_inter_thread_message( const struct send_message_info *info, LRESULT *res_ptr )
2318 size_t reply_size = 0;
2320 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
2321 info->hwnd, info->msg, SPY_GetMsgName(info->msg, info->hwnd), info->wparam, info->lparam );
2323 USER_CheckNotLock();
2325 if (!put_message_in_queue( info, &reply_size )) return 0;
2327 /* there's no reply to wait for on notify/callback messages */
2328 if (info->type == MSG_NOTIFY || info->type == MSG_CALLBACK) return 1;
2330 wait_message_reply( info->flags );
2331 return retrieve_reply( info, reply_size, res_ptr );
2335 /***********************************************************************
2336 * MSG_SendInternalMessageTimeout
2338 * Same as SendMessageTimeoutW but sends the message to a specific thread
2339 * without requiring a window handle. Only works for internal Wine messages.
2341 LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
2342 UINT msg, WPARAM wparam, LPARAM lparam,
2343 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2345 struct send_message_info info;
2346 LRESULT ret, result;
2348 assert( msg & 0x80000000 ); /* must be an internal Wine message */
2350 info.type = MSG_UNICODE;
2351 info.dest_tid = dest_tid;
2354 info.wparam = wparam;
2355 info.lparam = lparam;
2357 info.timeout = timeout;
2359 if (USER_IsExitingThread( dest_tid )) return 0;
2361 if (dest_tid == GetCurrentThreadId())
2363 result = handle_internal_message( 0, msg, wparam, lparam );
2368 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2369 ret = send_inter_thread_message( &info, &result );
2371 if (ret && res_ptr) *res_ptr = result;
2376 /***********************************************************************
2377 * SendMessageTimeoutW (USER32.@)
2379 LRESULT WINAPI SendMessageTimeoutW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2380 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2382 struct send_message_info info;
2384 LRESULT ret, result;
2386 info.type = MSG_UNICODE;
2389 info.wparam = wparam;
2390 info.lparam = lparam;
2392 info.timeout = timeout;
2394 if (is_broadcast(hwnd))
2396 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2397 if (res_ptr) *res_ptr = 1;
2401 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2403 if (USER_IsExitingThread( info.dest_tid )) return 0;
2405 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2407 if (info.dest_tid == GetCurrentThreadId())
2409 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2414 if (dest_pid != GetCurrentProcessId()) info.type = MSG_OTHER_PROCESS;
2415 ret = send_inter_thread_message( &info, &result );
2418 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2419 if (ret && res_ptr) *res_ptr = result;
2423 static LRESULT send_inter_thread_callback( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
2424 LRESULT *result, void *arg )
2426 struct send_message_info *info = arg;
2431 return send_inter_thread_message( info, result );
2434 /***********************************************************************
2435 * SendMessageTimeoutA (USER32.@)
2437 LRESULT WINAPI SendMessageTimeoutA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2438 UINT flags, UINT timeout, PDWORD_PTR res_ptr )
2440 struct send_message_info info;
2442 LRESULT ret, result;
2444 info.type = MSG_ASCII;
2447 info.wparam = wparam;
2448 info.lparam = lparam;
2450 info.timeout = timeout;
2452 if (is_broadcast(hwnd))
2454 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2455 if (res_ptr) *res_ptr = 1;
2459 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, &dest_pid ))) return 0;
2461 if (USER_IsExitingThread( info.dest_tid )) return 0;
2463 SPY_EnterMessage( SPY_SENDMESSAGE, hwnd, msg, wparam, lparam );
2465 if (info.dest_tid == GetCurrentThreadId())
2467 result = call_window_proc( hwnd, msg, wparam, lparam, FALSE, TRUE );
2470 else if (dest_pid == GetCurrentProcessId())
2472 ret = send_inter_thread_message( &info, &result );
2476 /* inter-process message: need to map to Unicode */
2477 info.type = MSG_OTHER_PROCESS;
2478 if (is_unicode_message( info.msg ))
2479 ret = WINPROC_CallProcAtoW( send_inter_thread_callback, info.hwnd, info.msg,
2480 info.wparam, info.lparam, &result, &info );
2481 else ret = send_inter_thread_message( &info, &result );
2483 SPY_ExitMessage( SPY_RESULT_OK, hwnd, msg, result, wparam, lparam );
2484 if (ret && res_ptr) *res_ptr = result;
2489 /***********************************************************************
2490 * SendMessageW (USER32.@)
2492 LRESULT WINAPI SendMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2495 SendMessageTimeoutW( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2500 /***********************************************************************
2501 * SendMessageA (USER32.@)
2503 LRESULT WINAPI SendMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2506 SendMessageTimeoutA( hwnd, msg, wparam, lparam, SMTO_NORMAL, 0, &res );
2511 /***********************************************************************
2512 * SendNotifyMessageA (USER32.@)
2514 BOOL WINAPI SendNotifyMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2516 return SendNotifyMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2520 /***********************************************************************
2521 * SendNotifyMessageW (USER32.@)
2523 BOOL WINAPI SendNotifyMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2525 struct send_message_info info;
2528 if (is_pointer_message(msg))
2530 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2534 info.type = MSG_NOTIFY;
2537 info.wparam = wparam;
2538 info.lparam = lparam;
2541 if (is_broadcast(hwnd))
2543 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2547 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2549 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
2551 if (info.dest_tid == GetCurrentThreadId())
2553 call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2556 return send_inter_thread_message( &info, &result );
2560 /***********************************************************************
2561 * SendMessageCallbackA (USER32.@)
2563 BOOL WINAPI SendMessageCallbackA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2564 SENDASYNCPROC callback, ULONG_PTR data )
2566 return SendMessageCallbackW( hwnd, msg, map_wparam_AtoW( msg, wparam ),
2567 lparam, callback, data );
2571 /***********************************************************************
2572 * SendMessageCallbackW (USER32.@)
2574 BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
2575 SENDASYNCPROC callback, ULONG_PTR data )
2577 struct send_message_info info;
2580 if (is_pointer_message(msg))
2582 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2586 info.type = MSG_CALLBACK;
2589 info.wparam = wparam;
2590 info.lparam = lparam;
2591 info.callback = callback;
2595 if (is_broadcast(hwnd))
2597 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2601 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2603 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
2605 if (info.dest_tid == GetCurrentThreadId())
2607 result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
2608 call_sendmsg_callback( callback, hwnd, msg, data, result );
2611 return send_inter_thread_message( &info, &result );
2615 /***********************************************************************
2616 * ReplyMessage (USER32.@)
2618 BOOL WINAPI ReplyMessage( LRESULT result )
2620 struct received_message_info *info = get_user_thread_info()->receive_info;
2622 if (!info) return FALSE;
2623 reply_message( info, result, FALSE );
2628 /***********************************************************************
2629 * InSendMessage (USER32.@)
2631 BOOL WINAPI InSendMessage(void)
2633 return (InSendMessageEx(NULL) & (ISMEX_SEND|ISMEX_REPLIED)) == ISMEX_SEND;
2637 /***********************************************************************
2638 * InSendMessageEx (USER32.@)
2640 DWORD WINAPI InSendMessageEx( LPVOID reserved )
2642 struct received_message_info *info = get_user_thread_info()->receive_info;
2644 if (info) return info->flags;
2645 return ISMEX_NOSEND;
2649 /***********************************************************************
2650 * PostMessageA (USER32.@)
2652 BOOL WINAPI PostMessageA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2654 return PostMessageW( hwnd, msg, map_wparam_AtoW( msg, wparam ), lparam );
2658 /***********************************************************************
2659 * PostMessageW (USER32.@)
2661 BOOL WINAPI PostMessageW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
2663 struct send_message_info info;
2665 if (is_pointer_message( msg ))
2667 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2671 TRACE( "hwnd %p msg %x (%s) wp %lx lp %lx\n",
2672 hwnd, msg, SPY_GetMsgName(msg, hwnd), wparam, lparam );
2674 info.type = MSG_POSTED;
2677 info.wparam = wparam;
2678 info.lparam = lparam;
2681 if (is_broadcast(hwnd))
2683 EnumWindows( broadcast_message_callback, (LPARAM)&info );
2687 if (!hwnd) return PostThreadMessageW( GetCurrentThreadId(), msg, wparam, lparam );
2689 if (!(info.dest_tid = GetWindowThreadProcessId( hwnd, NULL ))) return FALSE;
2691 if (USER_IsExitingThread( info.dest_tid )) return TRUE;
2693 return put_message_in_queue( &info, NULL );
2697 /**********************************************************************
2698 * PostThreadMessageA (USER32.@)
2700 BOOL WINAPI PostThreadMessageA( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2702 return PostThreadMessageW( thread, msg, map_wparam_AtoW( msg, wparam ), lparam );
2706 /**********************************************************************
2707 * PostThreadMessageW (USER32.@)
2709 BOOL WINAPI PostThreadMessageW( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam )
2711 struct send_message_info info;
2713 if (is_pointer_message( msg ))
2715 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2718 if (USER_IsExitingThread( thread )) return TRUE;
2720 info.type = MSG_POSTED;
2721 info.dest_tid = thread;
2724 info.wparam = wparam;
2725 info.lparam = lparam;
2727 return put_message_in_queue( &info, NULL );
2731 /***********************************************************************
2732 * PostQuitMessage (USER32.@)
2734 * Posts a quit message to the current thread's message queue.
2737 * exit_code [I] Exit code to return from message loop.
2743 * This function is not the same as calling:
2744 *|PostThreadMessage(GetCurrentThreadId(), WM_QUIT, exit_code, 0);
2745 * It instead sets a flag in the message queue that signals it to generate
2746 * a WM_QUIT message when there are no other pending sent or posted messages
2749 void WINAPI PostQuitMessage( INT exit_code )
2751 SERVER_START_REQ( post_quit_message )
2753 req->exit_code = exit_code;
2754 wine_server_call( req );
2760 /***********************************************************************
2761 * PeekMessageW (USER32.@)
2763 BOOL WINAPI PeekMessageW( MSG *msg_out, HWND hwnd, UINT first, UINT last, UINT flags )
2765 struct user_thread_info *thread_info = get_user_thread_info();
2768 USER_CheckNotLock();
2770 /* check for graphics events */
2771 USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_ALLINPUT, 0 );
2773 hwnd = WIN_GetFullHandle( hwnd );
2777 if (!peek_message( &msg, hwnd, first, last, flags ))
2779 if (!(flags & PM_NOYIELD))
2782 ReleaseThunkLock(&count);
2784 if (count) RestoreThunkLock(count);
2788 if (msg.message & 0x80000000)
2790 if (!(flags & PM_REMOVE))
2792 /* Have to remove the message explicitly.
2793 Do this before handling it, because the message handler may
2794 call PeekMessage again */
2795 peek_message( &msg, msg.hwnd, msg.message, msg.message, flags | PM_REMOVE );
2797 handle_internal_message( msg.hwnd, msg.message, msg.wParam, msg.lParam );
2802 thread_info->GetMessageTimeVal = msg.time;
2803 msg.pt.x = (short)LOWORD( thread_info->GetMessagePosVal );
2804 msg.pt.y = (short)HIWORD( thread_info->GetMessagePosVal );
2806 HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)&msg, TRUE );
2808 /* copy back our internal safe copy of message data to msg_out.
2809 * msg_out is a variable from the *program*, so it can't be used
2810 * internally as it can get "corrupted" by our use of SendMessage()
2811 * (back to the program) inside the message handling itself. */
2814 SetLastError( ERROR_NOACCESS );
2822 /***********************************************************************
2823 * PeekMessageA (USER32.@)
2825 BOOL WINAPI PeekMessageA( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags )
2827 BOOL ret = PeekMessageW( msg, hwnd, first, last, flags );
2828 if (ret) msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2833 /***********************************************************************
2834 * GetMessageW (USER32.@)
2836 BOOL WINAPI GetMessageW( MSG *msg, HWND hwnd, UINT first, UINT last )
2838 HANDLE server_queue = get_server_queue_handle();
2839 int mask = QS_POSTMESSAGE | QS_SENDMESSAGE; /* Always selected */
2843 if ((first <= WM_KEYLAST) && (last >= WM_KEYFIRST)) mask |= QS_KEY;
2844 if ( ((first <= WM_MOUSELAST) && (last >= WM_MOUSEFIRST)) ||
2845 ((first <= WM_NCMOUSELAST) && (last >= WM_NCMOUSEFIRST)) ) mask |= QS_MOUSE;
2846 if ((first <= WM_TIMER) && (last >= WM_TIMER)) mask |= QS_TIMER;
2847 if ((first <= WM_SYSTIMER) && (last >= WM_SYSTIMER)) mask |= QS_TIMER;
2848 if ((first <= WM_PAINT) && (last >= WM_PAINT)) mask |= QS_PAINT;
2850 else mask |= QS_MOUSE | QS_KEY | QS_TIMER | QS_PAINT;
2852 while (!PeekMessageW( msg, hwnd, first, last, PM_REMOVE ))
2854 /* wait until one of the bits is set */
2855 unsigned int wake_bits = 0, changed_bits = 0;
2858 SERVER_START_REQ( set_queue_mask )
2860 req->wake_mask = QS_SENDMESSAGE;
2861 req->changed_mask = mask;
2863 if (!wine_server_call( req ))
2865 wake_bits = reply->wake_bits;
2866 changed_bits = reply->changed_bits;
2871 if (changed_bits & mask) continue;
2872 if (wake_bits & QS_SENDMESSAGE) continue;
2874 TRACE( "(%04x) mask=%08x, bits=%08x, changed=%08x, waiting\n",
2875 GetCurrentThreadId(), mask, wake_bits, changed_bits );
2877 ReleaseThunkLock( &dwlc );
2878 USER_Driver->pMsgWaitForMultipleObjectsEx( 1, &server_queue, INFINITE, QS_ALLINPUT, 0 );
2879 if (dwlc) RestoreThunkLock( dwlc );
2882 return (msg->message != WM_QUIT);
2886 /***********************************************************************
2887 * GetMessageA (USER32.@)
2889 BOOL WINAPI GetMessageA( MSG *msg, HWND hwnd, UINT first, UINT last )
2891 GetMessageW( msg, hwnd, first, last );
2892 msg->wParam = map_wparam_WtoA( msg->message, msg->wParam );
2893 return (msg->message != WM_QUIT);
2897 /***********************************************************************
2898 * IsDialogMessageA (USER32.@)
2899 * IsDialogMessage (USER32.@)
2901 BOOL WINAPI IsDialogMessageA( HWND hwndDlg, LPMSG pmsg )
2904 msg.wParam = map_wparam_AtoW( msg.message, msg.wParam );
2905 return IsDialogMessageW( hwndDlg, &msg );
2909 /***********************************************************************
2910 * TranslateMessage (USER32.@)
2912 * Implementation of TranslateMessage.
2914 * TranslateMessage translates virtual-key messages into character-messages,
2916 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
2917 * ditto replacing WM_* with WM_SYS*
2918 * This produces WM_CHAR messages only for keys mapped to ASCII characters
2919 * by the keyboard driver.
2921 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
2922 * return value is nonzero, regardless of the translation.
2925 BOOL WINAPI TranslateMessage( const MSG *msg )
2931 if (msg->message < WM_KEYFIRST || msg->message > WM_KEYLAST) return FALSE;
2932 if (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) return TRUE;
2934 TRACE_(key)("Translating key %s (%04lx), scancode %02x\n",
2935 SPY_GetVKeyName(msg->wParam), msg->wParam, LOBYTE(HIWORD(msg->lParam)));
2937 GetKeyboardState( state );
2938 /* FIXME : should handle ToUnicode yielding 2 */
2939 switch (ToUnicode(msg->wParam, HIWORD(msg->lParam), state, wp, 2, 0))
2942 message = (msg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
2943 TRACE_(key)("1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2944 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2945 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2949 message = (msg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
2950 TRACE_(key)("-1 -> PostMessageW(%p,%s,%04x,%08lx)\n",
2951 msg->hwnd, SPY_GetMsgName(message, msg->hwnd), wp[0], msg->lParam);
2952 PostMessageW( msg->hwnd, message, wp[0], msg->lParam );
2959 /***********************************************************************
2960 * DispatchMessageA (USER32.@)
2962 * See DispatchMessageW.
2964 LONG WINAPI DispatchMessageA( const MSG* msg )
2970 /* Process timer messages */
2971 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
2973 if (msg->lParam) return CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
2974 msg->message, msg->wParam, GetTickCount() );
2977 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
2979 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2982 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2984 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2985 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2988 if (wndPtr->tid != GetCurrentThreadId())
2990 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
2991 WIN_ReleasePtr( wndPtr );
2994 winproc = wndPtr->winproc;
2995 WIN_ReleasePtr( wndPtr );
2997 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
2998 msg->wParam, msg->lParam );
2999 retval = CallWindowProcA( winproc, msg->hwnd, msg->message,
3000 msg->wParam, msg->lParam );
3001 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3002 msg->wParam, msg->lParam );
3004 if (msg->message == WM_PAINT)
3006 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3007 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3008 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3009 DeleteObject( hrgn );
3015 /***********************************************************************
3016 * DispatchMessageW (USER32.@) Process a message
3018 * Process the message specified in the structure *_msg_.
3020 * If the lpMsg parameter points to a WM_TIMER message and the
3021 * parameter of the WM_TIMER message is not NULL, the lParam parameter
3022 * points to the function that is called instead of the window
3025 * The message must be valid.
3029 * DispatchMessage() returns the result of the window procedure invoked.
3036 LONG WINAPI DispatchMessageW( const MSG* msg )
3042 /* Process timer messages */
3043 if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
3045 if (msg->lParam) return CallWindowProcW( (WNDPROC)msg->lParam, msg->hwnd,
3046 msg->message, msg->wParam, GetTickCount() );
3049 if (!(wndPtr = WIN_GetPtr( msg->hwnd )))
3051 if (msg->hwnd) SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3054 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
3056 if (IsWindow( msg->hwnd )) SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3057 else SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3060 if (wndPtr->tid != GetCurrentThreadId())
3062 SetLastError( ERROR_MESSAGE_SYNC_ONLY );
3063 WIN_ReleasePtr( wndPtr );
3066 winproc = wndPtr->winproc;
3067 WIN_ReleasePtr( wndPtr );
3069 SPY_EnterMessage( SPY_DISPATCHMESSAGE, msg->hwnd, msg->message,
3070 msg->wParam, msg->lParam );
3071 retval = CallWindowProcW( winproc, msg->hwnd, msg->message,
3072 msg->wParam, msg->lParam );
3073 SPY_ExitMessage( SPY_RESULT_OK, msg->hwnd, msg->message, retval,
3074 msg->wParam, msg->lParam );
3076 if (msg->message == WM_PAINT)
3078 /* send a WM_NCPAINT and WM_ERASEBKGND if the non-client area is still invalid */
3079 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
3080 GetUpdateRgn( msg->hwnd, hrgn, TRUE );
3081 DeleteObject( hrgn );
3087 /***********************************************************************
3088 * GetMessagePos (USER.119)
3089 * GetMessagePos (USER32.@)
3091 * The GetMessagePos() function returns a long value representing a
3092 * cursor position, in screen coordinates, when the last message
3093 * retrieved by the GetMessage() function occurs. The x-coordinate is
3094 * in the low-order word of the return value, the y-coordinate is in
3095 * the high-order word. The application can use the MAKEPOINT()
3096 * macro to obtain a POINT structure from the return value.
3098 * For the current cursor position, use GetCursorPos().
3102 * Cursor position of last message on success, zero on failure.
3109 DWORD WINAPI GetMessagePos(void)
3111 return get_user_thread_info()->GetMessagePosVal;
3115 /***********************************************************************
3116 * GetMessageTime (USER.120)
3117 * GetMessageTime (USER32.@)
3119 * GetMessageTime() returns the message time for the last message
3120 * retrieved by the function. The time is measured in milliseconds with
3121 * the same offset as GetTickCount().
3123 * Since the tick count wraps, this is only useful for moderately short
3124 * relative time comparisons.
3128 * Time of last message on success, zero on failure.
3130 LONG WINAPI GetMessageTime(void)
3132 return get_user_thread_info()->GetMessageTimeVal;
3136 /***********************************************************************
3137 * GetMessageExtraInfo (USER.288)
3138 * GetMessageExtraInfo (USER32.@)
3140 LPARAM WINAPI GetMessageExtraInfo(void)
3142 return get_user_thread_info()->GetMessageExtraInfoVal;
3146 /***********************************************************************
3147 * SetMessageExtraInfo (USER32.@)
3149 LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
3151 struct user_thread_info *thread_info = get_user_thread_info();
3152 LONG old_value = thread_info->GetMessageExtraInfoVal;
3153 thread_info->GetMessageExtraInfoVal = lParam;
3158 /***********************************************************************
3159 * WaitMessage (USER.112) Suspend thread pending messages
3160 * WaitMessage (USER32.@) Suspend thread pending messages
3162 * WaitMessage() suspends a thread until events appear in the thread's
3165 BOOL WINAPI WaitMessage(void)
3167 return (MsgWaitForMultipleObjectsEx( 0, NULL, INFINITE, QS_ALLINPUT, 0 ) != WAIT_FAILED);
3171 /***********************************************************************
3172 * MsgWaitForMultipleObjectsEx (USER32.@)
3174 DWORD WINAPI MsgWaitForMultipleObjectsEx( DWORD count, CONST HANDLE *pHandles,
3175 DWORD timeout, DWORD mask, DWORD flags )
3177 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
3180 if (count > MAXIMUM_WAIT_OBJECTS-1)
3182 SetLastError( ERROR_INVALID_PARAMETER );
3186 /* set the queue mask */
3187 SERVER_START_REQ( set_queue_mask )
3189 req->wake_mask = (flags & MWMO_INPUTAVAILABLE) ? mask : 0;
3190 req->changed_mask = mask;
3192 wine_server_call( req );
3196 /* add the queue to the handle list */
3197 for (i = 0; i < count; i++) handles[i] = pHandles[i];
3198 handles[count] = get_server_queue_handle();
3200 ReleaseThunkLock( &lock );
3201 ret = USER_Driver->pMsgWaitForMultipleObjectsEx( count+1, handles, timeout, mask, flags );
3202 if (lock) RestoreThunkLock( lock );
3207 /***********************************************************************
3208 * MsgWaitForMultipleObjects (USER32.@)
3210 DWORD WINAPI MsgWaitForMultipleObjects( DWORD count, CONST HANDLE *handles,
3211 BOOL wait_all, DWORD timeout, DWORD mask )
3213 return MsgWaitForMultipleObjectsEx( count, handles, timeout, mask,
3214 wait_all ? MWMO_WAITALL : 0 );
3218 /***********************************************************************
3219 * WaitForInputIdle (USER32.@)
3221 DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
3223 DWORD start_time, elapsed, ret;
3226 handles[0] = hProcess;
3227 SERVER_START_REQ( get_process_idle_event )
3229 req->handle = hProcess;
3230 if (!(ret = wine_server_call_err( req ))) handles[1] = reply->event;
3233 if (ret) return WAIT_FAILED; /* error */
3234 if (!handles[1]) return 0; /* no event to wait on */
3236 start_time = GetTickCount();
3239 TRACE("waiting for %p\n", handles[1] );
3242 ret = MsgWaitForMultipleObjects ( 2, handles, FALSE, dwTimeOut - elapsed, QS_SENDMESSAGE );
3247 case WAIT_OBJECT_0+2:
3248 process_sent_messages();
3252 TRACE("timeout or error\n");
3255 TRACE("finished\n");
3258 if (dwTimeOut != INFINITE)
3260 elapsed = GetTickCount() - start_time;
3261 if (elapsed > dwTimeOut)
3267 return WAIT_TIMEOUT;
3271 /***********************************************************************
3272 * UserYield (USER.332)
3274 void WINAPI UserYield16(void)
3278 /* Handle sent messages */
3279 process_sent_messages();
3282 ReleaseThunkLock(&count);
3286 RestoreThunkLock(count);
3287 /* Handle sent messages again */
3288 process_sent_messages();
3293 /***********************************************************************
3294 * RegisterWindowMessageA (USER32.@)
3295 * RegisterWindowMessage (USER.118)
3297 UINT WINAPI RegisterWindowMessageA( LPCSTR str )
3299 UINT ret = GlobalAddAtomA(str);
3300 TRACE("%s, ret=%x\n", str, ret);
3305 /***********************************************************************
3306 * RegisterWindowMessageW (USER32.@)
3308 UINT WINAPI RegisterWindowMessageW( LPCWSTR str )
3310 UINT ret = GlobalAddAtomW(str);
3311 TRACE("%s ret=%x\n", debugstr_w(str), ret);
3316 /***********************************************************************
3317 * BroadcastSystemMessageA (USER32.@)
3318 * BroadcastSystemMessage (USER32.@)
3320 LONG WINAPI BroadcastSystemMessageA( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3322 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3324 FIXME( "(%08x,%08x,%08x,%08lx,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3325 PostMessageA( HWND_BROADCAST, msg, wp, lp );
3330 FIXME( "(%08x,%08x,%08x,%08lx,%08lx): stub!\n", flags, *recipients, msg, wp, lp);
3336 /***********************************************************************
3337 * BroadcastSystemMessageW (USER32.@)
3339 LONG WINAPI BroadcastSystemMessageW( DWORD flags, LPDWORD recipients, UINT msg, WPARAM wp, LPARAM lp )
3341 if ((*recipients & BSM_APPLICATIONS) || (*recipients == BSM_ALLCOMPONENTS))
3343 FIXME( "(%08x,%08x,%08x,%08lx,%08lx): semi-stub!\n", flags, *recipients, msg, wp, lp );
3344 PostMessageW( HWND_BROADCAST, msg, wp, lp );
3349 FIXME( "(%08x,%08x,%08x,%08lx,%08lx): stub!\n", flags, *recipients, msg, wp, lp );
3355 /***********************************************************************
3356 * SetMessageQueue (USER32.@)
3358 BOOL WINAPI SetMessageQueue( INT size )
3360 /* now obsolete the message queue will be expanded dynamically as necessary */
3365 /***********************************************************************
3366 * MessageBeep (USER32.@)
3368 BOOL WINAPI MessageBeep( UINT i )
3371 SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
3372 if (active) USER_Driver->pBeep();
3377 /***********************************************************************
3378 * SetTimer (USER32.@)
3380 UINT_PTR WINAPI SetTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3383 WNDPROC winproc = 0;
3385 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, NULL );
3387 SERVER_START_REQ( set_win_timer )
3390 req->msg = WM_TIMER;
3392 req->rate = max( timeout, SYS_TIMER_RATE );
3393 req->lparam = (unsigned long)winproc;
3394 if (!wine_server_call_err( req ))
3397 if (!ret) ret = TRUE;
3403 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
3408 /***********************************************************************
3409 * SetSystemTimer (USER32.@)
3411 UINT_PTR WINAPI SetSystemTimer( HWND hwnd, UINT_PTR id, UINT timeout, TIMERPROC proc )
3414 WNDPROC winproc = 0;
3416 if (proc) winproc = WINPROC_AllocProc( (WNDPROC)proc, NULL );
3418 SERVER_START_REQ( set_win_timer )
3421 req->msg = WM_SYSTIMER;
3423 req->rate = max( timeout, SYS_TIMER_RATE );
3424 req->lparam = (unsigned long)winproc;
3425 if (!wine_server_call_err( req ))
3428 if (!ret) ret = TRUE;
3434 TRACE("Added %p %lx %p timeout %d\n", hwnd, id, winproc, timeout );
3439 /***********************************************************************
3440 * KillTimer (USER32.@)
3442 BOOL WINAPI KillTimer( HWND hwnd, UINT_PTR id )
3446 TRACE("%p %ld\n", hwnd, id );
3448 SERVER_START_REQ( kill_win_timer )
3451 req->msg = WM_TIMER;
3453 ret = !wine_server_call_err( req );
3460 /***********************************************************************
3461 * KillSystemTimer (USER32.@)
3463 BOOL WINAPI KillSystemTimer( HWND hwnd, UINT_PTR id )
3467 TRACE("%p %ld\n", hwnd, id );
3469 SERVER_START_REQ( kill_win_timer )
3472 req->msg = WM_SYSTIMER;
3474 ret = !wine_server_call_err( req );
3481 /**********************************************************************
3482 * GetGUIThreadInfo (USER32.@)
3484 BOOL WINAPI GetGUIThreadInfo( DWORD id, GUITHREADINFO *info )
3488 SERVER_START_REQ( get_thread_input )
3491 if ((ret = !wine_server_call_err( req )))
3494 info->hwndActive = reply->active;
3495 info->hwndFocus = reply->focus;
3496 info->hwndCapture = reply->capture;
3497 info->hwndMenuOwner = reply->menu_owner;
3498 info->hwndMoveSize = reply->move_size;
3499 info->hwndCaret = reply->caret;
3500 info->rcCaret.left = reply->rect.left;
3501 info->rcCaret.top = reply->rect.top;
3502 info->rcCaret.right = reply->rect.right;
3503 info->rcCaret.bottom = reply->rect.bottom;
3504 if (reply->menu_owner) info->flags |= GUI_INMENUMODE;
3505 if (reply->move_size) info->flags |= GUI_INMOVESIZE;
3506 if (reply->caret) info->flags |= GUI_CARETBLINKING;
3514 /******************************************************************
3515 * IsHungAppWindow (USER32.@)
3518 BOOL WINAPI IsHungAppWindow( HWND hWnd )
3521 return !SendMessageTimeoutA(hWnd, WM_NULL, 0, 0, SMTO_ABORTIFHUNG, 5000, &dwResult);