2 * Window messaging support
4 * Copyright 2001 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
35 #include "wine/unicode.h"
36 #include "wine/server.h"
41 #include "wine/debug.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(msg
);
44 WINE_DECLARE_DEBUG_CHANNEL(relay
);
46 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
47 #define WM_NCMOUSELAST WM_NCMBUTTONDBLCLK
49 #define MAX_PACK_COUNT 4
51 /* description of the data fields that need to be packed along with a sent message */
55 const void *data
[MAX_PACK_COUNT
];
56 size_t size
[MAX_PACK_COUNT
];
59 /* info about the message currently being received by the current thread */
60 struct received_message_info
62 enum message_type type
;
64 UINT flags
; /* InSendMessageEx return flags */
67 /* structure to group all parameters for sent messages of the various kinds */
68 struct send_message_info
70 enum message_type type
;
75 UINT flags
; /* flags for SendMessageTimeout */
76 UINT timeout
; /* timeout for SendMessageTimeout */
77 SENDASYNCPROC callback
; /* callback function for SendMessageCallback */
78 ULONG_PTR data
; /* callback data */
82 /* flag for messages that contain pointers */
83 /* 32 messages per entry, messages 0..31 map to bits 0..31 */
85 #define SET(msg) (1 << ((msg) & 31))
87 static const unsigned int message_pointer_flags
[] =
90 SET(WM_CREATE
) | SET(WM_SETTEXT
) | SET(WM_GETTEXT
) |
91 SET(WM_WININICHANGE
) | SET(WM_DEVMODECHANGE
),
93 SET(WM_GETMINMAXINFO
) | SET(WM_DRAWITEM
) | SET(WM_MEASUREITEM
) | SET(WM_DELETEITEM
) |
96 SET(WM_WINDOWPOSCHANGING
) | SET(WM_WINDOWPOSCHANGED
) | SET(WM_COPYDATA
) |
97 SET(WM_NOTIFY
) | SET(WM_HELP
),
99 SET(WM_STYLECHANGING
) | SET(WM_STYLECHANGED
),
101 SET(WM_NCCREATE
) | SET(WM_NCCALCSIZE
) | SET(WM_GETDLGCODE
),
103 SET(EM_GETSEL
) | SET(EM_GETRECT
) | SET(EM_SETRECT
) | SET(EM_SETRECTNP
),
105 SET(EM_REPLACESEL
) | SET(EM_GETLINE
) | SET(EM_SETTABSTOPS
),
107 SET(SBM_GETRANGE
) | SET(SBM_SETSCROLLINFO
) | SET(SBM_GETSCROLLINFO
),
113 SET(CB_GETEDITSEL
) | SET(CB_ADDSTRING
) | SET(CB_DIR
) | SET(CB_GETLBTEXT
) |
114 SET(CB_INSERTSTRING
) | SET(CB_FINDSTRING
) | SET(CB_SELECTSTRING
) |
115 SET(CB_GETDROPPEDCONTROLRECT
) | SET(CB_FINDSTRINGEXACT
),
119 SET(LB_ADDSTRING
) | SET(LB_INSERTSTRING
) | SET(LB_GETTEXT
) | SET(LB_SELECTSTRING
) |
120 SET(LB_DIR
) | SET(LB_FINDSTRING
) |
121 SET(LB_GETSELITEMS
) | SET(LB_SETTABSTOPS
) | SET(LB_ADDFILE
) | SET(LB_GETITEMRECT
),
123 SET(LB_FINDSTRINGEXACT
),
129 SET(WM_NEXTMENU
) | SET(WM_SIZING
) | SET(WM_MOVING
) | SET(WM_DEVICECHANGE
),
131 SET(WM_MDICREATE
) | SET(WM_MDIGETACTIVE
) | SET(WM_DROPOBJECT
) |
132 SET(WM_QUERYDROPOBJECT
) | SET(WM_DRAGLOOP
) | SET(WM_DRAGSELECT
) | SET(WM_DRAGMOVE
),
146 SET(WM_ASKCBFORMATNAME
)
149 /* flags for messages that contain Unicode strings */
150 static const unsigned int message_unicode_flags
[] =
153 SET(WM_CREATE
) | SET(WM_SETTEXT
) | SET(WM_GETTEXT
) | SET(WM_GETTEXTLENGTH
) |
154 SET(WM_WININICHANGE
) | SET(WM_DEVMODECHANGE
),
166 SET(EM_REPLACESEL
) | SET(EM_GETLINE
) | SET(EM_SETPASSWORDCHAR
),
170 SET(WM_CHAR
) | SET(WM_DEADCHAR
) | SET(WM_SYSCHAR
) | SET(WM_SYSDEADCHAR
),
174 SET(CB_ADDSTRING
) | SET(CB_DIR
) | SET(CB_GETLBTEXT
) | SET(CB_GETLBTEXTLEN
) |
175 SET(CB_INSERTSTRING
) | SET(CB_FINDSTRING
) | SET(CB_SELECTSTRING
) | SET(CB_FINDSTRINGEXACT
),
179 SET(LB_ADDSTRING
) | SET(LB_INSERTSTRING
) | SET(LB_GETTEXT
) | SET(LB_GETTEXTLEN
) |
180 SET(LB_SELECTSTRING
) | SET(LB_DIR
) | SET(LB_FINDSTRING
) | SET(LB_ADDFILE
),
182 SET(LB_FINDSTRINGEXACT
),
204 SET(WM_PAINTCLIPBOARD
) | SET(WM_SIZECLIPBOARD
) | SET(WM_ASKCBFORMATNAME
)
207 /* check whether a given message type includes pointers */
208 inline static int is_pointer_message( UINT message
)
210 if (message
>= 8*sizeof(message_pointer_flags
)) return FALSE
;
211 return (message_pointer_flags
[message
/ 32] & SET(message
)) != 0;
214 /* check whether a given message type contains Unicode (or ASCII) chars */
215 inline static int is_unicode_message( UINT message
)
217 if (message
>= 8*sizeof(message_unicode_flags
)) return FALSE
;
218 return (message_unicode_flags
[message
/ 32] & SET(message
)) != 0;
223 /* add a data field to a packed message */
224 inline static void push_data( struct packed_message
*data
, const void *ptr
, size_t size
)
226 data
->data
[data
->count
] = ptr
;
227 data
->size
[data
->count
] = size
;
231 /* add a string to a packed message */
232 inline static void push_string( struct packed_message
*data
, LPCWSTR str
)
234 push_data( data
, str
, (strlenW(str
) + 1) * sizeof(WCHAR
) );
237 /* retrieve a pointer to data from a packed message and increment the buffer pointer */
238 inline static void *get_data( void **buffer
, size_t size
)
241 *buffer
= (char *)*buffer
+ size
;
245 /* make sure that the buffer contains a valid null-terminated Unicode string */
246 inline static BOOL
check_string( LPCWSTR str
, size_t size
)
248 for (size
/= sizeof(WCHAR
); size
; size
--, str
++)
249 if (!*str
) return TRUE
;
253 /* make sure that there is space for 'size' bytes in buffer, growing it if needed */
254 inline static void *get_buffer_space( void **buffer
, size_t size
)
260 if (!(ret
= HeapReAlloc( GetProcessHeap(), 0, *buffer
, size
)))
261 HeapFree( GetProcessHeap(), 0, *buffer
);
263 else ret
= HeapAlloc( GetProcessHeap(), 0, size
);
269 /* retrieve a string pointer from packed data */
270 inline static LPWSTR
get_string( void **buffer
)
272 return get_data( buffer
, (strlenW( (LPWSTR
)*buffer
) + 1) * sizeof(WCHAR
) );
275 /* check whether a combobox expects strings or ids in CB_ADDSTRING/CB_INSERTSTRING */
276 inline static BOOL
combobox_has_strings( HWND hwnd
)
278 DWORD style
= GetWindowLongA( hwnd
, GWL_STYLE
);
279 return (!(style
& (CBS_OWNERDRAWFIXED
| CBS_OWNERDRAWVARIABLE
)) || (style
& CBS_HASSTRINGS
));
282 /* check whether a listbox expects strings or ids in LB_ADDSTRING/LB_INSERTSTRING */
283 inline static BOOL
listbox_has_strings( HWND hwnd
)
285 DWORD style
= GetWindowLongA( hwnd
, GWL_STYLE
);
286 return (!(style
& (LBS_OWNERDRAWFIXED
| LBS_OWNERDRAWVARIABLE
)) || (style
& LBS_HASSTRINGS
));
290 /***********************************************************************
291 * broadcast_message_callback
293 * Helper callback for broadcasting messages.
295 static BOOL CALLBACK
broadcast_message_callback( HWND hwnd
, LPARAM lparam
)
297 struct send_message_info
*info
= (struct send_message_info
*)lparam
;
298 if (!(GetWindowLongW( hwnd
, GWL_STYLE
) & (WS_POPUP
|WS_CAPTION
))) return TRUE
;
302 SendMessageTimeoutW( hwnd
, info
->msg
, info
->wparam
, info
->lparam
,
303 info
->flags
, info
->timeout
, NULL
);
306 SendMessageTimeoutA( hwnd
, info
->msg
, info
->wparam
, info
->lparam
,
307 info
->flags
, info
->timeout
, NULL
);
310 SendNotifyMessageW( hwnd
, info
->msg
, info
->wparam
, info
->lparam
);
313 SendMessageCallbackW( hwnd
, info
->msg
, info
->wparam
, info
->lparam
,
314 info
->callback
, info
->data
);
317 PostMessageW( hwnd
, info
->msg
, info
->wparam
, info
->lparam
);
320 ERR( "bad type %d\n", info
->type
);
327 /***********************************************************************
330 * Convert the wparam of an ASCII message to Unicode.
332 static WPARAM
map_wparam_AtoW( UINT message
, WPARAM wparam
)
337 case EM_SETPASSWORDCHAR
:
344 char ch
= LOWORD(wparam
);
346 MultiByteToWideChar(CP_ACP
, 0, &ch
, 1, &wch
, 1);
347 wparam
= MAKEWPARAM( wch
, HIWORD(wparam
) );
354 ch
[0] = (wparam
>> 8);
355 ch
[1] = (wparam
& 0xff);
356 if (ch
[0]) MultiByteToWideChar(CP_ACP
, 0, ch
, 2, &wch
, 1);
357 else MultiByteToWideChar(CP_ACP
, 0, &ch
[1], 1, &wch
, 1);
358 wparam
= MAKEWPARAM( wch
, HIWORD(wparam
) );
366 /***********************************************************************
369 * Convert the wparam of a Unicode message to ASCII.
371 static WPARAM
map_wparam_WtoA( UINT message
, WPARAM wparam
)
376 case EM_SETPASSWORDCHAR
:
383 WCHAR wch
= LOWORD(wparam
);
385 WideCharToMultiByte( CP_ACP
, 0, &wch
, 1, &ch
, 1, NULL
, NULL
);
386 wparam
= MAKEWPARAM( ch
, HIWORD(wparam
) );
391 WCHAR wch
= LOWORD(wparam
);
394 if (WideCharToMultiByte( CP_ACP
, 0, &wch
, 1, ch
, 2, NULL
, NULL
) == 2)
395 wparam
= MAKEWPARAM( (ch
[0] << 8) | ch
[1], HIWORD(wparam
) );
397 wparam
= MAKEWPARAM( ch
[0], HIWORD(wparam
) );
405 /***********************************************************************
408 * Pack a message for sending to another process.
409 * Return the size of the data we expect in the message reply.
410 * Set data->count to -1 if there is an error.
412 static size_t pack_message( HWND hwnd
, UINT message
, WPARAM wparam
, LPARAM lparam
,
413 struct packed_message
*data
)
421 CREATESTRUCTW
*cs
= (CREATESTRUCTW
*)lparam
;
422 push_data( data
, cs
, sizeof(*cs
) );
423 if (HIWORD(cs
->lpszName
)) push_string( data
, cs
->lpszName
);
424 if (HIWORD(cs
->lpszClass
)) push_string( data
, cs
->lpszClass
);
428 case WM_ASKCBFORMATNAME
:
429 return wparam
* sizeof(WCHAR
);
430 case WM_WININICHANGE
:
431 if (lparam
) push_string(data
, (LPWSTR
)lparam
);
434 case WM_DEVMODECHANGE
:
439 push_string( data
, (LPWSTR
)lparam
);
441 case WM_GETMINMAXINFO
:
442 push_data( data
, (MINMAXINFO
*)lparam
, sizeof(MINMAXINFO
) );
443 return sizeof(MINMAXINFO
);
445 push_data( data
, (DRAWITEMSTRUCT
*)lparam
, sizeof(DRAWITEMSTRUCT
) );
448 push_data( data
, (MEASUREITEMSTRUCT
*)lparam
, sizeof(MEASUREITEMSTRUCT
) );
449 return sizeof(MEASUREITEMSTRUCT
);
451 push_data( data
, (DELETEITEMSTRUCT
*)lparam
, sizeof(DELETEITEMSTRUCT
) );
454 push_data( data
, (COMPAREITEMSTRUCT
*)lparam
, sizeof(COMPAREITEMSTRUCT
) );
456 case WM_WINDOWPOSCHANGING
:
457 case WM_WINDOWPOSCHANGED
:
458 push_data( data
, (WINDOWPOS
*)lparam
, sizeof(WINDOWPOS
) );
459 return sizeof(WINDOWPOS
);
462 COPYDATASTRUCT
*cp
= (COPYDATASTRUCT
*)lparam
;
463 push_data( data
, cp
, sizeof(*cp
) );
464 if (cp
->lpData
) push_data( data
, cp
->lpData
, cp
->cbData
);
468 /* WM_NOTIFY cannot be sent across processes (MSDN) */
472 push_data( data
, (HELPINFO
*)lparam
, sizeof(HELPINFO
) );
474 case WM_STYLECHANGING
:
475 case WM_STYLECHANGED
:
476 push_data( data
, (STYLESTRUCT
*)lparam
, sizeof(STYLESTRUCT
) );
481 push_data( data
, (RECT
*)lparam
, sizeof(RECT
) );
486 NCCALCSIZE_PARAMS
*nc
= (NCCALCSIZE_PARAMS
*)lparam
;
487 push_data( data
, nc
, sizeof(*nc
) );
488 push_data( data
, nc
->lppos
, sizeof(*nc
->lppos
) );
489 return sizeof(*nc
) + sizeof(*nc
->lppos
);
492 if (lparam
) push_data( data
, (MSG
*)lparam
, sizeof(MSG
) );
494 case SBM_SETSCROLLINFO
:
495 push_data( data
, (SCROLLINFO
*)lparam
, sizeof(SCROLLINFO
) );
497 case SBM_GETSCROLLINFO
:
498 push_data( data
, (SCROLLINFO
*)lparam
, sizeof(SCROLLINFO
) );
499 return sizeof(SCROLLINFO
);
505 if (wparam
) size
+= sizeof(DWORD
);
506 if (lparam
) size
+= sizeof(DWORD
);
511 case CB_GETDROPPEDCONTROLRECT
:
515 push_data( data
, (RECT
*)lparam
, sizeof(RECT
) );
519 WORD
*pw
= (WORD
*)lparam
;
520 push_data( data
, pw
, sizeof(*pw
) );
521 return *pw
* sizeof(WCHAR
);
525 if (wparam
) push_data( data
, (UINT
*)lparam
, sizeof(UINT
) * wparam
);
528 case CB_INSERTSTRING
:
530 case CB_FINDSTRINGEXACT
:
531 case CB_SELECTSTRING
:
532 if (combobox_has_strings( hwnd
)) push_string( data
, (LPWSTR
)lparam
);
535 if (!combobox_has_strings( hwnd
)) return sizeof(ULONG_PTR
);
536 return (SendMessageW( hwnd
, CB_GETLBTEXTLEN
, wparam
, 0 ) + 1) * sizeof(WCHAR
);
538 case LB_INSERTSTRING
:
540 case LB_FINDSTRINGEXACT
:
541 case LB_SELECTSTRING
:
542 if (listbox_has_strings( hwnd
)) push_string( data
, (LPWSTR
)lparam
);
545 if (!listbox_has_strings( hwnd
)) return sizeof(ULONG_PTR
);
546 return (SendMessageW( hwnd
, LB_GETTEXTLEN
, wparam
, 0 ) + 1) * sizeof(WCHAR
);
548 return wparam
* sizeof(UINT
);
550 push_data( data
, (MDINEXTMENU
*)lparam
, sizeof(MDINEXTMENU
) );
551 return sizeof(MDINEXTMENU
);
554 push_data( data
, (RECT
*)lparam
, sizeof(RECT
) );
558 MDICREATESTRUCTW
*cs
= (MDICREATESTRUCTW
*)lparam
;
559 push_data( data
, cs
, sizeof(*cs
) );
560 if (HIWORD(cs
->szTitle
)) push_string( data
, cs
->szTitle
);
561 if (HIWORD(cs
->szClass
)) push_string( data
, cs
->szClass
);
564 case WM_MDIGETACTIVE
:
565 if (lparam
) return sizeof(BOOL
);
567 case WM_WINE_SETWINDOWPOS
:
568 push_data( data
, (WINDOWPOS
*)lparam
, sizeof(WINDOWPOS
) );
570 case WM_WINE_KEYBOARD_LL_HOOK
:
571 push_data( data
, (KBDLLHOOKSTRUCT
*)lparam
, sizeof(KBDLLHOOKSTRUCT
) );
573 case WM_WINE_MOUSE_LL_HOOK
:
574 push_data( data
, (MSLLHOOKSTRUCT
*)lparam
, sizeof(MSLLHOOKSTRUCT
) );
577 /* these contain an HFONT */
580 /* these contain an HDC */
583 case WM_ICONERASEBKGND
:
585 case WM_CTLCOLORMSGBOX
:
586 case WM_CTLCOLOREDIT
:
587 case WM_CTLCOLORLISTBOX
:
590 case WM_CTLCOLORSCROLLBAR
:
591 case WM_CTLCOLORSTATIC
:
594 /* these contain an HGLOBAL */
595 case WM_PAINTCLIPBOARD
:
596 case WM_SIZECLIPBOARD
:
597 /* these contain HICON */
600 case WM_QUERYDRAGICON
:
601 case WM_QUERYPARKICON
:
602 /* these contain pointers */
604 case WM_QUERYDROPOBJECT
:
608 case WM_DEVICECHANGE
:
609 FIXME( "msg %x (%s) not supported yet\n", message
, SPY_GetMsgName(message
, hwnd
) );
617 /***********************************************************************
620 * Unpack a message received from another process.
622 static BOOL
unpack_message( HWND hwnd
, UINT message
, WPARAM
*wparam
, LPARAM
*lparam
,
623 void **buffer
, size_t size
)
632 CREATESTRUCTW
*cs
= *buffer
;
633 WCHAR
*str
= (WCHAR
*)(cs
+ 1);
634 if (size
< sizeof(*cs
)) return FALSE
;
636 if (HIWORD(cs
->lpszName
))
638 if (!check_string( str
, size
)) return FALSE
;
640 size
-= (strlenW(str
) + 1) * sizeof(WCHAR
);
641 str
+= strlenW(str
) + 1;
643 if (HIWORD(cs
->lpszClass
))
645 if (!check_string( str
, size
)) return FALSE
;
651 case WM_ASKCBFORMATNAME
:
652 if (!get_buffer_space( buffer
, (*wparam
* sizeof(WCHAR
)) )) return FALSE
;
654 case WM_WININICHANGE
:
655 if (!*lparam
) return TRUE
;
658 case WM_DEVMODECHANGE
:
663 if (!check_string( *buffer
, size
)) return FALSE
;
665 case WM_GETMINMAXINFO
:
666 minsize
= sizeof(MINMAXINFO
);
669 minsize
= sizeof(DRAWITEMSTRUCT
);
672 minsize
= sizeof(MEASUREITEMSTRUCT
);
675 minsize
= sizeof(DELETEITEMSTRUCT
);
678 minsize
= sizeof(COMPAREITEMSTRUCT
);
680 case WM_WINDOWPOSCHANGING
:
681 case WM_WINDOWPOSCHANGED
:
682 case WM_WINE_SETWINDOWPOS
:
683 minsize
= sizeof(WINDOWPOS
);
687 COPYDATASTRUCT
*cp
= *buffer
;
688 if (size
< sizeof(*cp
)) return FALSE
;
691 minsize
= sizeof(*cp
) + cp
->cbData
;
697 /* WM_NOTIFY cannot be sent across processes (MSDN) */
700 minsize
= sizeof(HELPINFO
);
702 case WM_STYLECHANGING
:
703 case WM_STYLECHANGED
:
704 minsize
= sizeof(STYLESTRUCT
);
707 if (!*wparam
) minsize
= sizeof(RECT
);
710 NCCALCSIZE_PARAMS
*nc
= *buffer
;
711 if (size
< sizeof(*nc
) + sizeof(*nc
->lppos
)) return FALSE
;
712 nc
->lppos
= (WINDOWPOS
*)(nc
+ 1);
716 if (!*lparam
) return TRUE
;
717 minsize
= sizeof(MSG
);
719 case SBM_SETSCROLLINFO
:
720 minsize
= sizeof(SCROLLINFO
);
722 case SBM_GETSCROLLINFO
:
723 if (!get_buffer_space( buffer
, sizeof(SCROLLINFO
))) return FALSE
;
728 if (*wparam
|| *lparam
)
730 if (!get_buffer_space( buffer
, 2*sizeof(DWORD
) )) return FALSE
;
731 if (*wparam
) *wparam
= (WPARAM
)*buffer
;
732 if (*lparam
) *lparam
= (LPARAM
)((DWORD
*)*buffer
+ 1);
737 case CB_GETDROPPEDCONTROLRECT
:
738 if (!get_buffer_space( buffer
, sizeof(RECT
) )) return FALSE
;
742 minsize
= sizeof(RECT
);
747 if (size
< sizeof(WORD
)) return FALSE
;
748 len
= *(WORD
*)*buffer
;
749 if (!get_buffer_space( buffer
, (len
+ 1) * sizeof(WCHAR
) )) return FALSE
;
750 *lparam
= (LPARAM
)*buffer
+ sizeof(WORD
); /* don't erase WORD at start of buffer */
755 if (!*wparam
) return TRUE
;
756 minsize
= *wparam
* sizeof(UINT
);
759 case CB_INSERTSTRING
:
761 case CB_FINDSTRINGEXACT
:
762 case CB_SELECTSTRING
:
764 case LB_INSERTSTRING
:
766 case LB_FINDSTRINGEXACT
:
767 case LB_SELECTSTRING
:
768 if (!*buffer
) return TRUE
;
769 if (!check_string( *buffer
, size
)) return FALSE
;
773 size
= sizeof(ULONG_PTR
);
774 if (combobox_has_strings( hwnd
))
775 size
= (SendMessageW( hwnd
, CB_GETLBTEXTLEN
, *wparam
, 0 ) + 1) * sizeof(WCHAR
);
776 if (!get_buffer_space( buffer
, size
)) return FALSE
;
781 size
= sizeof(ULONG_PTR
);
782 if (listbox_has_strings( hwnd
))
783 size
= (SendMessageW( hwnd
, LB_GETTEXTLEN
, *wparam
, 0 ) + 1) * sizeof(WCHAR
);
784 if (!get_buffer_space( buffer
, size
)) return FALSE
;
788 if (!get_buffer_space( buffer
, *wparam
* sizeof(UINT
) )) return FALSE
;
791 minsize
= sizeof(MDINEXTMENU
);
792 if (!get_buffer_space( buffer
, sizeof(MDINEXTMENU
) )) return FALSE
;
796 minsize
= sizeof(RECT
);
797 if (!get_buffer_space( buffer
, sizeof(RECT
) )) return FALSE
;
801 MDICREATESTRUCTW
*cs
= *buffer
;
802 WCHAR
*str
= (WCHAR
*)(cs
+ 1);
803 if (size
< sizeof(*cs
)) return FALSE
;
805 if (HIWORD(cs
->szTitle
))
807 if (!check_string( str
, size
)) return FALSE
;
809 size
-= (strlenW(str
) + 1) * sizeof(WCHAR
);
810 str
+= strlenW(str
) + 1;
812 if (HIWORD(cs
->szClass
))
814 if (!check_string( str
, size
)) return FALSE
;
819 case WM_MDIGETACTIVE
:
820 if (!*lparam
) return TRUE
;
821 if (!get_buffer_space( buffer
, sizeof(BOOL
) )) return FALSE
;
823 case WM_WINE_KEYBOARD_LL_HOOK
:
824 minsize
= sizeof(KBDLLHOOKSTRUCT
);
826 case WM_WINE_MOUSE_LL_HOOK
:
827 minsize
= sizeof(MSLLHOOKSTRUCT
);
830 /* these contain an HFONT */
833 /* these contain an HDC */
836 case WM_ICONERASEBKGND
:
838 case WM_CTLCOLORMSGBOX
:
839 case WM_CTLCOLOREDIT
:
840 case WM_CTLCOLORLISTBOX
:
843 case WM_CTLCOLORSCROLLBAR
:
844 case WM_CTLCOLORSTATIC
:
847 /* these contain an HGLOBAL */
848 case WM_PAINTCLIPBOARD
:
849 case WM_SIZECLIPBOARD
:
850 /* these contain HICON */
853 case WM_QUERYDRAGICON
:
854 case WM_QUERYPARKICON
:
855 /* these contain pointers */
857 case WM_QUERYDROPOBJECT
:
861 case WM_DEVICECHANGE
:
862 FIXME( "msg %x (%s) not supported yet\n", message
, SPY_GetMsgName(message
, hwnd
) );
866 return TRUE
; /* message doesn't need any unpacking */
869 /* default exit for most messages: check minsize and store buffer in lparam */
870 if (size
< minsize
) return FALSE
;
871 *lparam
= (LPARAM
)*buffer
;
876 /***********************************************************************
879 * Pack a reply to a message for sending to another process.
881 static void pack_reply( HWND hwnd
, UINT message
, WPARAM wparam
, LPARAM lparam
,
882 LRESULT res
, struct packed_message
*data
)
889 push_data( data
, (CREATESTRUCTW
*)lparam
, sizeof(CREATESTRUCTW
) );
894 push_data( data
, (WCHAR
*)lparam
, (res
+ 1) * sizeof(WCHAR
) );
896 case WM_GETMINMAXINFO
:
897 push_data( data
, (MINMAXINFO
*)lparam
, sizeof(MINMAXINFO
) );
900 push_data( data
, (MEASUREITEMSTRUCT
*)lparam
, sizeof(MEASUREITEMSTRUCT
) );
902 case WM_WINDOWPOSCHANGING
:
903 case WM_WINDOWPOSCHANGED
:
904 push_data( data
, (WINDOWPOS
*)lparam
, sizeof(WINDOWPOS
) );
907 if (lparam
) push_data( data
, (MSG
*)lparam
, sizeof(MSG
) );
909 case SBM_GETSCROLLINFO
:
910 push_data( data
, (SCROLLINFO
*)lparam
, sizeof(SCROLLINFO
) );
914 case CB_GETDROPPEDCONTROLRECT
:
917 push_data( data
, (RECT
*)lparam
, sizeof(RECT
) );
921 WORD
*ptr
= (WORD
*)lparam
;
922 push_data( data
, ptr
, ptr
[-1] * sizeof(WCHAR
) );
926 push_data( data
, (UINT
*)lparam
, wparam
* sizeof(UINT
) );
928 case WM_MDIGETACTIVE
:
929 if (lparam
) push_data( data
, (BOOL
*)lparam
, sizeof(BOOL
) );
933 push_data( data
, (RECT
*)lparam
, sizeof(RECT
) );
936 NCCALCSIZE_PARAMS
*nc
= (NCCALCSIZE_PARAMS
*)lparam
;
937 push_data( data
, nc
, sizeof(*nc
) );
938 push_data( data
, nc
->lppos
, sizeof(*nc
->lppos
) );
944 if (wparam
) push_data( data
, (DWORD
*)wparam
, sizeof(DWORD
) );
945 if (lparam
) push_data( data
, (DWORD
*)lparam
, sizeof(DWORD
) );
948 push_data( data
, (MDINEXTMENU
*)lparam
, sizeof(MDINEXTMENU
) );
951 push_data( data
, (MDICREATESTRUCTW
*)lparam
, sizeof(MDICREATESTRUCTW
) );
953 case WM_ASKCBFORMATNAME
:
954 push_data( data
, (WCHAR
*)lparam
, (strlenW((WCHAR
*)lparam
) + 1) * sizeof(WCHAR
) );
960 /***********************************************************************
963 * Unpack a message reply received from another process.
965 static void unpack_reply( HWND hwnd
, UINT message
, WPARAM wparam
, LPARAM lparam
,
966 void *buffer
, size_t size
)
973 CREATESTRUCTW
*cs
= (CREATESTRUCTW
*)lparam
;
974 LPCWSTR name
= cs
->lpszName
, class = cs
->lpszClass
;
975 memcpy( cs
, buffer
, min( sizeof(*cs
), size
));
976 cs
->lpszName
= name
; /* restore the original pointers */
977 cs
->lpszClass
= class;
981 case WM_ASKCBFORMATNAME
:
982 memcpy( (WCHAR
*)lparam
, buffer
, min( wparam
*sizeof(WCHAR
), size
));
984 case WM_GETMINMAXINFO
:
985 memcpy( (MINMAXINFO
*)lparam
, buffer
, min( sizeof(MINMAXINFO
), size
));
988 memcpy( (MEASUREITEMSTRUCT
*)lparam
, buffer
, min( sizeof(MEASUREITEMSTRUCT
), size
));
990 case WM_WINDOWPOSCHANGING
:
991 case WM_WINDOWPOSCHANGED
:
992 memcpy( (WINDOWPOS
*)lparam
, buffer
, min( sizeof(WINDOWPOS
), size
));
995 if (lparam
) memcpy( (MSG
*)lparam
, buffer
, min( sizeof(MSG
), size
));
997 case SBM_GETSCROLLINFO
:
998 memcpy( (SCROLLINFO
*)lparam
, buffer
, min( sizeof(SCROLLINFO
), size
));
1001 case CB_GETDROPPEDCONTROLRECT
:
1002 case LB_GETITEMRECT
:
1005 memcpy( (RECT
*)lparam
, buffer
, min( sizeof(RECT
), size
));
1008 size
= min( size
, (size_t)*(WORD
*)lparam
);
1009 memcpy( (WCHAR
*)lparam
, buffer
, size
);
1011 case LB_GETSELITEMS
:
1012 memcpy( (UINT
*)lparam
, buffer
, min( wparam
*sizeof(UINT
), size
));
1016 memcpy( (WCHAR
*)lparam
, buffer
, size
);
1019 memcpy( (MDINEXTMENU
*)lparam
, buffer
, min( sizeof(MDINEXTMENU
), size
));
1021 case WM_MDIGETACTIVE
:
1022 if (lparam
) memcpy( (BOOL
*)lparam
, buffer
, min( sizeof(BOOL
), size
));
1026 memcpy( (RECT
*)lparam
, buffer
, min( sizeof(RECT
), size
));
1029 NCCALCSIZE_PARAMS
*nc
= (NCCALCSIZE_PARAMS
*)lparam
;
1030 WINDOWPOS
*wp
= nc
->lppos
;
1031 memcpy( nc
, buffer
, min( sizeof(*nc
), size
));
1032 if (size
> sizeof(*nc
))
1034 size
-= sizeof(*nc
);
1035 memcpy( wp
, (NCCALCSIZE_PARAMS
*)buffer
+ 1, min( sizeof(*wp
), size
));
1037 nc
->lppos
= wp
; /* restore the original pointer */
1045 memcpy( (DWORD
*)wparam
, buffer
, min( sizeof(DWORD
), size
));
1046 if (size
<= sizeof(DWORD
)) break;
1047 size
-= sizeof(DWORD
);
1048 buffer
= (DWORD
*)buffer
+ 1;
1050 if (lparam
) memcpy( (DWORD
*)lparam
, buffer
, min( sizeof(DWORD
), size
));
1054 MDICREATESTRUCTW
*cs
= (MDICREATESTRUCTW
*)lparam
;
1055 LPCWSTR title
= cs
->szTitle
, class = cs
->szClass
;
1056 memcpy( cs
, buffer
, min( sizeof(*cs
), size
));
1057 cs
->szTitle
= title
; /* restore the original pointers */
1058 cs
->szClass
= class;
1062 ERR( "should not happen: unexpected message %x\n", message
);
1068 /***********************************************************************
1071 * Send a reply to a sent message.
1073 static void reply_message( struct received_message_info
*info
, LRESULT result
, BOOL remove
)
1075 struct packed_message data
;
1076 int i
, replied
= info
->flags
& ISMEX_REPLIED
;
1078 if (info
->flags
& ISMEX_NOTIFY
) return; /* notify messages don't get replies */
1079 if (!remove
&& replied
) return; /* replied already */
1082 info
->flags
|= ISMEX_REPLIED
;
1084 if (info
->type
== MSG_OTHER_PROCESS
&& !replied
)
1086 pack_reply( info
->msg
.hwnd
, info
->msg
.message
, info
->msg
.wParam
,
1087 info
->msg
.lParam
, result
, &data
);
1090 SERVER_START_REQ( reply_message
)
1092 req
->type
= info
->type
;
1093 req
->result
= result
;
1094 req
->remove
= remove
;
1095 for (i
= 0; i
< data
.count
; i
++) wine_server_add_data( req
, data
.data
[i
], data
.size
[i
] );
1096 wine_server_call( req
);
1102 /***********************************************************************
1103 * handle_internal_message
1105 * Handle an internal Wine message instead of calling the window proc.
1107 static LRESULT
handle_internal_message( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
1109 if (hwnd
== GetDesktopWindow()) return 0;
1112 case WM_WINE_DESTROYWINDOW
:
1113 return WIN_DestroyWindow( hwnd
);
1114 case WM_WINE_SETWINDOWPOS
:
1115 return USER_Driver
.pSetWindowPos( (WINDOWPOS
*)lparam
);
1116 case WM_WINE_SHOWWINDOW
:
1117 return ShowWindow( hwnd
, wparam
);
1118 case WM_WINE_SETPARENT
:
1119 return (LRESULT
)SetParent( hwnd
, (HWND
)wparam
);
1120 case WM_WINE_SETWINDOWLONG
:
1121 return (LRESULT
)SetWindowLongW( hwnd
, wparam
, lparam
);
1122 case WM_WINE_ENABLEWINDOW
:
1123 return EnableWindow( hwnd
, wparam
);
1124 case WM_WINE_SETACTIVEWINDOW
:
1125 return (LRESULT
)SetActiveWindow( (HWND
)wparam
);
1126 case WM_WINE_KEYBOARD_LL_HOOK
:
1127 return HOOK_CallHooks( WH_KEYBOARD_LL
, HC_ACTION
, wparam
, lparam
, TRUE
);
1128 case WM_WINE_MOUSE_LL_HOOK
:
1129 return HOOK_CallHooks( WH_MOUSE_LL
, HC_ACTION
, wparam
, lparam
, TRUE
);
1131 FIXME( "unknown internal message %x\n", msg
);
1136 /* since the WM_DDE_ACK response to a WM_DDE_EXECUTE message should contain the handle
1137 * to the memory handle, we keep track (in the server side) of all pairs of handle
1138 * used (the client passes its value and the content of the memory handle), and
1139 * the server stored both values (the client, and the local one, created after the
1140 * content). When a ACK message is generated, the list of pair is searched for a
1141 * matching pair, so that the client memory handle can be returned.
1144 HGLOBAL client_hMem
;
1145 HGLOBAL server_hMem
;
1148 static struct DDE_pair
* dde_pairs
;
1149 static int dde_num_alloc
;
1150 static int dde_num_used
;
1152 static CRITICAL_SECTION dde_crst
;
1153 static CRITICAL_SECTION_DEBUG critsect_debug
=
1156 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
1157 0, 0, { 0, (DWORD
)(__FILE__
": dde_crst") }
1159 static CRITICAL_SECTION dde_crst
= { &critsect_debug
, -1, 0, 0, 0, 0 };
1161 static BOOL
dde_add_pair(HGLOBAL chm
, HGLOBAL shm
)
1166 EnterCriticalSection(&dde_crst
);
1168 /* now remember the pair of hMem on both sides */
1169 if (dde_num_used
== dde_num_alloc
)
1171 struct DDE_pair
* tmp
;
1173 tmp
= HeapReAlloc( GetProcessHeap(), 0, dde_pairs
,
1174 (dde_num_alloc
+ GROWBY
) * sizeof(struct DDE_pair
));
1176 tmp
= HeapAlloc( GetProcessHeap(), 0,
1177 (dde_num_alloc
+ GROWBY
) * sizeof(struct DDE_pair
));
1181 LeaveCriticalSection(&dde_crst
);
1185 /* zero out newly allocated part */
1186 memset(&dde_pairs
[dde_num_alloc
], 0, GROWBY
* sizeof(struct DDE_pair
));
1187 dde_num_alloc
+= GROWBY
;
1190 for (i
= 0; i
< dde_num_alloc
; i
++)
1192 if (dde_pairs
[i
].server_hMem
== 0)
1194 dde_pairs
[i
].client_hMem
= chm
;
1195 dde_pairs
[i
].server_hMem
= shm
;
1200 LeaveCriticalSection(&dde_crst
);
1204 static HGLOBAL
dde_get_pair(HGLOBAL shm
)
1209 EnterCriticalSection(&dde_crst
);
1210 for (i
= 0; i
< dde_num_alloc
; i
++)
1212 if (dde_pairs
[i
].server_hMem
== shm
)
1214 /* free this pair */
1215 dde_pairs
[i
].server_hMem
= 0;
1217 ret
= dde_pairs
[i
].client_hMem
;
1221 LeaveCriticalSection(&dde_crst
);
1225 /***********************************************************************
1228 * Post a DDE message
1230 static BOOL
post_dde_message( DWORD dest_tid
, struct packed_message
*data
, const struct send_message_info
*info
)
1236 HGLOBAL hunlock
= 0;
1240 if (!UnpackDDElParam( info
->msg
, info
->lparam
, &uiLo
, &uiHi
))
1246 /* DDE messages which don't require packing are:
1255 /* uiHi should contain a hMem from WM_DDE_EXECUTE */
1256 HGLOBAL h
= dde_get_pair( (HANDLE
)uiHi
);
1259 /* send back the value of h on the other side */
1260 push_data( data
, &h
, sizeof(HGLOBAL
) );
1262 TRACE( "send dde-ack %x %08x => %08lx\n", uiLo
, uiHi
, (DWORD
)h
);
1267 /* uiHi should contain either an atom or 0 */
1268 TRACE( "send dde-ack %x atom=%x\n", uiLo
, uiHi
);
1269 lp
= MAKELONG( uiLo
, uiHi
);
1278 size
= GlobalSize( (HGLOBAL
)uiLo
) ;
1279 if ((info
->msg
== WM_DDE_ADVISE
&& size
< sizeof(DDEADVISE
)) ||
1280 (info
->msg
== WM_DDE_DATA
&& size
< sizeof(DDEDATA
)) ||
1281 (info
->msg
== WM_DDE_POKE
&& size
< sizeof(DDEPOKE
))
1285 else if (info
->msg
!= WM_DDE_DATA
) return FALSE
;
1290 if ((ptr
= GlobalLock( (HGLOBAL
)uiLo
) ))
1292 DDEDATA
*dde_data
= (DDEDATA
*)ptr
;
1293 TRACE("unused %d, fResponse %d, fRelease %d, fDeferUpd %d, fAckReq %d, cfFormat %d\n",
1294 dde_data
->unused
, dde_data
->fResponse
, dde_data
->fRelease
,
1295 dde_data
->reserved
, dde_data
->fAckReq
, dde_data
->cfFormat
);
1296 push_data( data
, ptr
, size
);
1297 hunlock
= (HGLOBAL
)uiLo
;
1300 TRACE( "send ddepack %u %x\n", size
, uiHi
);
1302 case WM_DDE_EXECUTE
:
1305 if ((ptr
= GlobalLock( (HGLOBAL
)info
->lparam
) ))
1307 push_data(data
, ptr
, GlobalSize( (HGLOBAL
)info
->lparam
));
1308 /* so that the other side can send it back on ACK */
1310 hunlock
= (HGLOBAL
)info
->lparam
;
1315 SERVER_START_REQ( send_message
)
1318 req
->type
= info
->type
;
1320 req
->win
= info
->hwnd
;
1321 req
->msg
= info
->msg
;
1322 req
->wparam
= info
->wparam
;
1324 req
->time
= GetCurrentTime();
1326 for (i
= 0; i
< data
->count
; i
++)
1327 wine_server_add_data( req
, data
->data
[i
], data
->size
[i
] );
1328 if ((res
= wine_server_call( req
)))
1330 if (res
== STATUS_INVALID_PARAMETER
)
1331 /* FIXME: find a STATUS_ value for this one */
1332 SetLastError( ERROR_INVALID_THREAD_ID
);
1334 SetLastError( RtlNtStatusToDosError(res
) );
1337 FreeDDElParam(info
->msg
, info
->lparam
);
1340 if (hunlock
) GlobalUnlock(hunlock
);
1345 /***********************************************************************
1346 * unpack_dde_message
1348 * Unpack a posted DDE message received from another process.
1350 static BOOL
unpack_dde_message( HWND hwnd
, UINT message
, WPARAM
*wparam
, LPARAM
*lparam
,
1351 void **buffer
, size_t size
)
1362 /* hMem is being passed */
1363 if (size
!= sizeof(HGLOBAL
)) return FALSE
;
1364 if (!buffer
|| !*buffer
) return FALSE
;
1366 memcpy( &hMem
, *buffer
, size
);
1368 TRACE("recv dde-ack %x mem=%x[%lx]\n", uiLo
, uiHi
, GlobalSize( hMem
));
1372 uiLo
= LOWORD( *lparam
);
1373 uiHi
= HIWORD( *lparam
);
1374 TRACE("recv dde-ack %x atom=%x\n", uiLo
, uiHi
);
1376 *lparam
= PackDDElParam( WM_DDE_ACK
, uiLo
, uiHi
);
1381 if ((!buffer
|| !*buffer
) && message
!= WM_DDE_DATA
) return FALSE
;
1383 TRACE( "recv ddepack %u %x\n", size
, uiHi
);
1386 hMem
= GlobalAlloc( GMEM_MOVEABLE
|GMEM_DDESHARE
, size
);
1387 if (hMem
&& (ptr
= GlobalLock( hMem
)))
1389 memcpy( ptr
, *buffer
, size
);
1390 GlobalUnlock( hMem
);
1396 *lparam
= PackDDElParam( message
, uiLo
, uiHi
);
1398 case WM_DDE_EXECUTE
:
1401 if (!buffer
|| !*buffer
) return FALSE
;
1402 hMem
= GlobalAlloc( GMEM_MOVEABLE
|GMEM_DDESHARE
, size
);
1403 if (hMem
&& (ptr
= GlobalLock( hMem
)))
1405 memcpy( ptr
, *buffer
, size
);
1406 GlobalUnlock( hMem
);
1407 TRACE( "exec: pairing c=%08lx s=%08lx\n", *lparam
, (DWORD
)hMem
);
1408 if (!dde_add_pair( (HGLOBAL
)*lparam
, hMem
))
1414 } else return FALSE
;
1415 *lparam
= (LPARAM
)hMem
;
1421 /***********************************************************************
1424 * Call a window procedure and the corresponding hooks.
1426 static LRESULT
call_window_proc( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
,
1427 BOOL unicode
, BOOL same_thread
)
1432 CWPRETSTRUCT cwpret
;
1433 MESSAGEQUEUE
*queue
= QUEUE_Current();
1435 if (queue
->recursion_count
> MAX_SENDMSG_RECURSION
) return 0;
1436 queue
->recursion_count
++;
1438 if (msg
& 0x80000000)
1440 result
= handle_internal_message( hwnd
, msg
, wparam
, lparam
);
1444 /* first the WH_CALLWNDPROC hook */
1445 hwnd
= WIN_GetFullHandle( hwnd
);
1446 cwp
.lParam
= lparam
;
1447 cwp
.wParam
= wparam
;
1450 HOOK_CallHooks( WH_CALLWNDPROC
, HC_ACTION
, same_thread
, (LPARAM
)&cwp
, unicode
);
1452 /* now call the window procedure */
1455 if (!(winproc
= (WNDPROC
)GetWindowLongPtrW( hwnd
, GWLP_WNDPROC
))) goto done
;
1456 result
= CallWindowProcW( winproc
, hwnd
, msg
, wparam
, lparam
);
1460 if (!(winproc
= (WNDPROC
)GetWindowLongPtrA( hwnd
, GWLP_WNDPROC
))) goto done
;
1461 result
= CallWindowProcA( winproc
, hwnd
, msg
, wparam
, lparam
);
1464 /* and finally the WH_CALLWNDPROCRET hook */
1465 cwpret
.lResult
= result
;
1466 cwpret
.lParam
= lparam
;
1467 cwpret
.wParam
= wparam
;
1468 cwpret
.message
= msg
;
1470 HOOK_CallHooks( WH_CALLWNDPROCRET
, HC_ACTION
, same_thread
, (LPARAM
)&cwpret
, unicode
);
1472 queue
->recursion_count
--;
1477 /***********************************************************************
1478 * process_hardware_message
1480 * Process a hardware message; return TRUE if message should be passed on to the app
1482 static BOOL
process_hardware_message( MSG
*msg
, ULONG_PTR extra_info
, HWND hwnd
,
1483 UINT first
, UINT last
, BOOL remove
)
1487 if (!MSG_process_raw_hardware_message( msg
, extra_info
, hwnd
, first
, last
, remove
))
1490 ret
= MSG_process_cooked_hardware_message( msg
, extra_info
, remove
);
1492 /* tell the server we have passed it to the app
1493 * (even though we may end up dropping it later on)
1495 SERVER_START_REQ( reply_message
)
1497 req
->type
= MSG_HARDWARE
;
1499 req
->remove
= remove
|| !ret
;
1500 wine_server_call( req
);
1507 /***********************************************************************
1508 * call_sendmsg_callback
1510 * Call the callback function of SendMessageCallback.
1512 static inline void call_sendmsg_callback( SENDASYNCPROC callback
, HWND hwnd
, UINT msg
,
1513 ULONG_PTR data
, LRESULT result
)
1515 if (TRACE_ON(relay
))
1516 DPRINTF( "%04lx:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1517 GetCurrentThreadId(), callback
, hwnd
, SPY_GetMsgName( msg
, hwnd
),
1519 callback( hwnd
, msg
, data
, result
);
1520 if (TRACE_ON(relay
))
1521 DPRINTF( "%04lx:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
1522 GetCurrentThreadId(), callback
, hwnd
, SPY_GetMsgName( msg
, hwnd
),
1527 /***********************************************************************
1530 * Peek for a message matching the given parameters. Return FALSE if none available.
1531 * All pending sent messages are processed before returning.
1533 BOOL
MSG_peek_message( MSG
*msg
, HWND hwnd
, UINT first
, UINT last
, int flags
)
1536 ULONG_PTR extra_info
= 0;
1537 MESSAGEQUEUE
*queue
= QUEUE_Current();
1538 struct received_message_info info
, *old_info
;
1540 if (!first
&& !last
) last
= ~0;
1545 void *buffer
= NULL
;
1546 size_t size
= 0, buffer_size
= 0;
1548 do /* loop while buffer is too small */
1550 if (buffer_size
&& !(buffer
= HeapAlloc( GetProcessHeap(), 0, buffer_size
)))
1552 SERVER_START_REQ( get_message
)
1555 req
->get_win
= hwnd
;
1556 req
->get_first
= first
;
1557 req
->get_last
= last
;
1558 if (buffer_size
) wine_server_set_reply( req
, buffer
, buffer_size
);
1559 if (!(res
= wine_server_call( req
)))
1561 size
= wine_server_reply_size( reply
);
1562 info
.type
= reply
->type
;
1563 info
.msg
.hwnd
= reply
->win
;
1564 info
.msg
.message
= reply
->msg
;
1565 info
.msg
.wParam
= reply
->wparam
;
1566 info
.msg
.lParam
= reply
->lparam
;
1567 info
.msg
.time
= reply
->time
;
1568 info
.msg
.pt
.x
= reply
->x
;
1569 info
.msg
.pt
.y
= reply
->y
;
1570 extra_info
= reply
->info
;
1574 if (buffer
) HeapFree( GetProcessHeap(), 0, buffer
);
1575 buffer_size
= reply
->total
;
1579 } while (res
== STATUS_BUFFER_OVERFLOW
);
1581 if (res
) return FALSE
;
1583 TRACE( "got type %d msg %x (%s) hwnd %p wp %x lp %lx\n",
1584 info
.type
, info
.msg
.message
, SPY_GetMsgName(info
.msg
.message
, info
.msg
.hwnd
),
1585 info
.msg
.hwnd
, info
.msg
.wParam
, info
.msg
.lParam
);
1591 info
.flags
= ISMEX_SEND
;
1594 info
.flags
= ISMEX_NOTIFY
;
1597 info
.flags
= ISMEX_CALLBACK
;
1599 case MSG_CALLBACK_RESULT
:
1600 call_sendmsg_callback( (SENDASYNCPROC
)info
.msg
.wParam
, info
.msg
.hwnd
,
1601 info
.msg
.message
, extra_info
, info
.msg
.lParam
);
1603 case MSG_OTHER_PROCESS
:
1604 info
.flags
= ISMEX_SEND
;
1605 if (!unpack_message( info
.msg
.hwnd
, info
.msg
.message
, &info
.msg
.wParam
,
1606 &info
.msg
.lParam
, &buffer
, size
))
1608 ERR( "invalid packed message %x (%s) hwnd %p wp %x lp %lx size %d\n",
1609 info
.msg
.message
, SPY_GetMsgName(info
.msg
.message
, info
.msg
.hwnd
), info
.msg
.hwnd
,
1610 info
.msg
.wParam
, info
.msg
.lParam
, size
);
1612 reply_message( &info
, 0, TRUE
);
1617 if (!process_hardware_message( &info
.msg
, extra_info
,
1618 hwnd
, first
, last
, flags
& GET_MSG_REMOVE
))
1620 TRACE("dropping msg %x\n", info
.msg
.message
);
1621 goto next
; /* ignore it */
1623 queue
->GetMessagePosVal
= MAKELONG( info
.msg
.pt
.x
, info
.msg
.pt
.y
);
1626 queue
->GetMessageExtraInfoVal
= extra_info
;
1627 if (info
.msg
.message
>= WM_DDE_FIRST
&& info
.msg
.message
<= WM_DDE_LAST
)
1629 if (!unpack_dde_message( info
.msg
.hwnd
, info
.msg
.message
, &info
.msg
.wParam
,
1630 &info
.msg
.lParam
, &buffer
, size
))
1632 ERR( "invalid packed dde-message %x (%s) hwnd %p wp %x lp %lx size %d\n",
1633 info
.msg
.message
, SPY_GetMsgName(info
.msg
.message
, info
.msg
.hwnd
),
1634 info
.msg
.hwnd
, info
.msg
.wParam
, info
.msg
.lParam
, size
);
1635 goto next
; /* ignore it */
1639 if (buffer
) HeapFree( GetProcessHeap(), 0, buffer
);
1643 /* if we get here, we have a sent message; call the window procedure */
1644 old_info
= queue
->receive_info
;
1645 queue
->receive_info
= &info
;
1646 result
= call_window_proc( info
.msg
.hwnd
, info
.msg
.message
, info
.msg
.wParam
,
1647 info
.msg
.lParam
, (info
.type
!= MSG_ASCII
), FALSE
);
1648 reply_message( &info
, result
, TRUE
);
1649 queue
->receive_info
= old_info
;
1651 if (buffer
) HeapFree( GetProcessHeap(), 0, buffer
);
1656 /***********************************************************************
1657 * wait_message_reply
1659 * Wait until a sent message gets replied to.
1661 static void wait_message_reply( UINT flags
)
1663 MESSAGEQUEUE
*queue
;
1665 if (!(queue
= QUEUE_Current())) return;
1669 unsigned int wake_bits
= 0, changed_bits
= 0;
1672 SERVER_START_REQ( set_queue_mask
)
1674 req
->wake_mask
= QS_SMRESULT
| ((flags
& SMTO_BLOCK
) ? 0 : QS_SENDMESSAGE
);
1675 req
->changed_mask
= req
->wake_mask
;
1677 if (!wine_server_call( req
))
1679 wake_bits
= reply
->wake_bits
;
1680 changed_bits
= reply
->changed_bits
;
1685 if (wake_bits
& QS_SMRESULT
) return; /* got a result */
1686 if (wake_bits
& QS_SENDMESSAGE
)
1688 /* Process the sent message immediately */
1690 MSG_peek_message( &msg
, 0, 0, 0, GET_MSG_REMOVE
| GET_MSG_SENT_ONLY
);
1694 /* now wait for it */
1696 ReleaseThunkLock( &dwlc
);
1698 if (USER_Driver
.pMsgWaitForMultipleObjectsEx
)
1699 res
= USER_Driver
.pMsgWaitForMultipleObjectsEx( 1, &queue
->server_queue
,
1702 res
= WaitForSingleObject( queue
->server_queue
, INFINITE
);
1704 if (dwlc
) RestoreThunkLock( dwlc
);
1708 /***********************************************************************
1709 * put_message_in_queue
1711 * Put a sent message into the destination queue.
1712 * For inter-process message, reply_size is set to expected size of reply data.
1714 static BOOL
put_message_in_queue( DWORD dest_tid
, const struct send_message_info
*info
,
1715 size_t *reply_size
)
1717 struct packed_message data
;
1719 int i
, timeout
= -1;
1721 if (info
->type
!= MSG_NOTIFY
&&
1722 info
->type
!= MSG_CALLBACK
&&
1723 info
->type
!= MSG_POSTED
&&
1724 info
->timeout
!= INFINITE
)
1725 timeout
= info
->timeout
;
1728 if (info
->type
== MSG_OTHER_PROCESS
)
1730 *reply_size
= pack_message( info
->hwnd
, info
->msg
, info
->wparam
, info
->lparam
, &data
);
1731 if (data
.count
== -1)
1733 WARN( "cannot pack message %x\n", info
->msg
);
1737 else if (info
->type
== MSG_POSTED
&& info
->msg
>= WM_DDE_FIRST
&& info
->msg
<= WM_DDE_LAST
)
1739 return post_dde_message( dest_tid
, &data
, info
);
1742 SERVER_START_REQ( send_message
)
1745 req
->type
= info
->type
;
1747 req
->win
= info
->hwnd
;
1748 req
->msg
= info
->msg
;
1749 req
->wparam
= info
->wparam
;
1750 req
->lparam
= info
->lparam
;
1751 req
->time
= GetCurrentTime();
1752 req
->timeout
= timeout
;
1754 if (info
->type
== MSG_CALLBACK
)
1756 req
->callback
= info
->callback
;
1757 req
->info
= info
->data
;
1760 if (info
->flags
& SMTO_ABORTIFHUNG
) req
->flags
|= SEND_MSG_ABORT_IF_HUNG
;
1761 for (i
= 0; i
< data
.count
; i
++) wine_server_add_data( req
, data
.data
[i
], data
.size
[i
] );
1762 if ((res
= wine_server_call( req
)))
1764 if (res
== STATUS_INVALID_PARAMETER
)
1765 /* FIXME: find a STATUS_ value for this one */
1766 SetLastError( ERROR_INVALID_THREAD_ID
);
1768 SetLastError( RtlNtStatusToDosError(res
) );
1776 /***********************************************************************
1779 * Retrieve a message reply from the server.
1781 static LRESULT
retrieve_reply( const struct send_message_info
*info
,
1782 size_t reply_size
, LRESULT
*result
)
1785 void *reply_data
= NULL
;
1789 if (!(reply_data
= HeapAlloc( GetProcessHeap(), 0, reply_size
)))
1791 WARN( "no memory for reply %d bytes, will be truncated\n", reply_size
);
1795 SERVER_START_REQ( get_message_reply
)
1798 if (reply_size
) wine_server_set_reply( req
, reply_data
, reply_size
);
1799 if (!(status
= wine_server_call( req
))) *result
= reply
->result
;
1800 reply_size
= wine_server_reply_size( reply
);
1803 if (!status
&& reply_size
)
1804 unpack_reply( info
->hwnd
, info
->msg
, info
->wparam
, info
->lparam
, reply_data
, reply_size
);
1806 if (reply_data
) HeapFree( GetProcessHeap(), 0, reply_data
);
1808 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx got reply %lx (err=%ld)\n",
1809 info
->hwnd
, info
->msg
, SPY_GetMsgName(info
->msg
, info
->hwnd
), info
->wparam
,
1810 info
->lparam
, *result
, status
);
1812 /* MSDN states that last error is 0 on timeout, but at least NT4 returns ERROR_TIMEOUT */
1813 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1818 /***********************************************************************
1819 * send_inter_thread_message
1821 static LRESULT
send_inter_thread_message( DWORD dest_tid
, const struct send_message_info
*info
,
1826 size_t reply_size
= 0;
1828 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
1829 info
->hwnd
, info
->msg
, SPY_GetMsgName(info
->msg
, info
->hwnd
), info
->wparam
, info
->lparam
);
1831 if (!put_message_in_queue( dest_tid
, info
, &reply_size
)) return 0;
1833 /* there's no reply to wait for on notify/callback messages */
1834 if (info
->type
== MSG_NOTIFY
|| info
->type
== MSG_CALLBACK
) return 1;
1836 locks
= WIN_SuspendWndsLock();
1838 wait_message_reply( info
->flags
);
1839 ret
= retrieve_reply( info
, reply_size
, res_ptr
);
1841 WIN_RestoreWndsLock( locks
);
1846 /***********************************************************************
1847 * MSG_SendInternalMessageTimeout
1849 * Same as SendMessageTimeoutW but sends the message to a specific thread
1850 * without requiring a window handle. Only works for internal Wine messages.
1852 LRESULT
MSG_SendInternalMessageTimeout( DWORD dest_pid
, DWORD dest_tid
,
1853 UINT msg
, WPARAM wparam
, LPARAM lparam
,
1854 UINT flags
, UINT timeout
, PDWORD_PTR res_ptr
)
1856 struct send_message_info info
;
1857 LRESULT ret
, result
;
1859 assert( msg
& 0x80000000 ); /* must be an internal Wine message */
1861 info
.type
= MSG_UNICODE
;
1864 info
.wparam
= wparam
;
1865 info
.lparam
= lparam
;
1867 info
.timeout
= timeout
;
1869 if (USER_IsExitingThread( dest_tid
)) return 0;
1871 if (dest_tid
== GetCurrentThreadId())
1873 result
= handle_internal_message( 0, msg
, wparam
, lparam
);
1878 if (dest_pid
!= GetCurrentProcessId()) info
.type
= MSG_OTHER_PROCESS
;
1879 ret
= send_inter_thread_message( dest_tid
, &info
, &result
);
1881 if (ret
&& res_ptr
) *res_ptr
= result
;
1886 /***********************************************************************
1887 * SendMessageTimeoutW (USER32.@)
1889 LRESULT WINAPI
SendMessageTimeoutW( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
,
1890 UINT flags
, UINT timeout
, PDWORD_PTR res_ptr
)
1892 struct send_message_info info
;
1893 DWORD dest_tid
, dest_pid
;
1894 LRESULT ret
, result
;
1896 info
.type
= MSG_UNICODE
;
1899 info
.wparam
= wparam
;
1900 info
.lparam
= lparam
;
1902 info
.timeout
= timeout
;
1904 if (is_broadcast(hwnd
))
1906 EnumWindows( broadcast_message_callback
, (LPARAM
)&info
);
1907 if (res_ptr
) *res_ptr
= 1;
1911 if (!(dest_tid
= GetWindowThreadProcessId( hwnd
, &dest_pid
))) return 0;
1913 if (USER_IsExitingThread( dest_tid
)) return 0;
1915 SPY_EnterMessage( SPY_SENDMESSAGE
, hwnd
, msg
, wparam
, lparam
);
1917 if (dest_tid
== GetCurrentThreadId())
1919 result
= call_window_proc( hwnd
, msg
, wparam
, lparam
, TRUE
, TRUE
);
1924 if (dest_pid
!= GetCurrentProcessId()) info
.type
= MSG_OTHER_PROCESS
;
1925 ret
= send_inter_thread_message( dest_tid
, &info
, &result
);
1928 SPY_ExitMessage( SPY_RESULT_OK
, hwnd
, msg
, result
, wparam
, lparam
);
1929 if (ret
&& res_ptr
) *res_ptr
= result
;
1934 /***********************************************************************
1935 * SendMessageTimeoutA (USER32.@)
1937 LRESULT WINAPI
SendMessageTimeoutA( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
,
1938 UINT flags
, UINT timeout
, PDWORD_PTR res_ptr
)
1940 struct send_message_info info
;
1941 DWORD dest_tid
, dest_pid
;
1942 LRESULT ret
, result
;
1944 info
.type
= MSG_ASCII
;
1947 info
.wparam
= wparam
;
1948 info
.lparam
= lparam
;
1950 info
.timeout
= timeout
;
1952 if (is_broadcast(hwnd
))
1954 EnumWindows( broadcast_message_callback
, (LPARAM
)&info
);
1955 if (res_ptr
) *res_ptr
= 1;
1959 if (!(dest_tid
= GetWindowThreadProcessId( hwnd
, &dest_pid
))) return 0;
1961 if (USER_IsExitingThread( dest_tid
)) return 0;
1963 SPY_EnterMessage( SPY_SENDMESSAGE
, hwnd
, msg
, wparam
, lparam
);
1965 if (dest_tid
== GetCurrentThreadId())
1967 result
= call_window_proc( hwnd
, msg
, wparam
, lparam
, FALSE
, TRUE
);
1970 else if (dest_pid
== GetCurrentProcessId())
1972 ret
= send_inter_thread_message( dest_tid
, &info
, &result
);
1976 /* inter-process message: need to map to Unicode */
1977 info
.type
= MSG_OTHER_PROCESS
;
1978 if (is_unicode_message( info
.msg
))
1980 if (WINPROC_MapMsg32ATo32W( info
.hwnd
, info
.msg
, &info
.wparam
, &info
.lparam
) == -1)
1982 ret
= send_inter_thread_message( dest_tid
, &info
, &result
);
1983 result
= WINPROC_UnmapMsg32ATo32W( info
.hwnd
, info
.msg
, info
.wparam
,
1984 info
.lparam
, result
);
1986 else ret
= send_inter_thread_message( dest_tid
, &info
, &result
);
1988 SPY_ExitMessage( SPY_RESULT_OK
, hwnd
, msg
, result
, wparam
, lparam
);
1989 if (ret
&& res_ptr
) *res_ptr
= result
;
1994 /***********************************************************************
1995 * SendMessageW (USER32.@)
1997 LRESULT WINAPI
SendMessageW( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2000 SendMessageTimeoutW( hwnd
, msg
, wparam
, lparam
, SMTO_NORMAL
, INFINITE
, &res
);
2005 /***********************************************************************
2006 * SendMessageA (USER32.@)
2008 LRESULT WINAPI
SendMessageA( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2011 SendMessageTimeoutA( hwnd
, msg
, wparam
, lparam
, SMTO_NORMAL
, INFINITE
, &res
);
2016 /***********************************************************************
2017 * SendNotifyMessageA (USER32.@)
2019 BOOL WINAPI
SendNotifyMessageA( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2021 return SendNotifyMessageW( hwnd
, msg
, map_wparam_AtoW( msg
, wparam
), lparam
);
2025 /***********************************************************************
2026 * SendNotifyMessageW (USER32.@)
2028 BOOL WINAPI
SendNotifyMessageW( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2030 struct send_message_info info
;
2034 if (is_pointer_message(msg
))
2036 SetLastError( ERROR_MESSAGE_SYNC_ONLY
);
2040 info
.type
= MSG_NOTIFY
;
2043 info
.wparam
= wparam
;
2044 info
.lparam
= lparam
;
2047 if (is_broadcast(hwnd
))
2049 EnumWindows( broadcast_message_callback
, (LPARAM
)&info
);
2053 if (!(dest_tid
= GetWindowThreadProcessId( hwnd
, NULL
))) return FALSE
;
2055 if (USER_IsExitingThread( dest_tid
)) return TRUE
;
2057 if (dest_tid
== GetCurrentThreadId())
2059 call_window_proc( hwnd
, msg
, wparam
, lparam
, TRUE
, TRUE
);
2062 return send_inter_thread_message( dest_tid
, &info
, &result
);
2066 /***********************************************************************
2067 * SendMessageCallbackA (USER32.@)
2069 BOOL WINAPI
SendMessageCallbackA( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
,
2070 SENDASYNCPROC callback
, ULONG_PTR data
)
2072 return SendMessageCallbackW( hwnd
, msg
, map_wparam_AtoW( msg
, wparam
),
2073 lparam
, callback
, data
);
2077 /***********************************************************************
2078 * SendMessageCallbackW (USER32.@)
2080 BOOL WINAPI
SendMessageCallbackW( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
,
2081 SENDASYNCPROC callback
, ULONG_PTR data
)
2083 struct send_message_info info
;
2087 if (is_pointer_message(msg
))
2089 SetLastError( ERROR_MESSAGE_SYNC_ONLY
);
2093 info
.type
= MSG_CALLBACK
;
2096 info
.wparam
= wparam
;
2097 info
.lparam
= lparam
;
2098 info
.callback
= callback
;
2102 if (is_broadcast(hwnd
))
2104 EnumWindows( broadcast_message_callback
, (LPARAM
)&info
);
2108 if (!(dest_tid
= GetWindowThreadProcessId( hwnd
, NULL
))) return FALSE
;
2110 if (USER_IsExitingThread( dest_tid
)) return TRUE
;
2112 if (dest_tid
== GetCurrentThreadId())
2114 result
= call_window_proc( hwnd
, msg
, wparam
, lparam
, TRUE
, TRUE
);
2115 call_sendmsg_callback( callback
, hwnd
, msg
, data
, result
);
2118 FIXME( "callback will not be called\n" );
2119 return send_inter_thread_message( dest_tid
, &info
, &result
);
2123 /***********************************************************************
2124 * ReplyMessage (USER32.@)
2126 BOOL WINAPI
ReplyMessage( LRESULT result
)
2128 MESSAGEQUEUE
*queue
= QUEUE_Current();
2129 struct received_message_info
*info
= queue
->receive_info
;
2131 if (!info
) return FALSE
;
2132 reply_message( info
, result
, FALSE
);
2137 /***********************************************************************
2138 * InSendMessage (USER32.@)
2140 BOOL WINAPI
InSendMessage(void)
2142 return (InSendMessageEx(NULL
) & (ISMEX_SEND
|ISMEX_REPLIED
)) == ISMEX_SEND
;
2146 /***********************************************************************
2147 * InSendMessageEx (USER32.@)
2149 DWORD WINAPI
InSendMessageEx( LPVOID reserved
)
2151 MESSAGEQUEUE
*queue
= QUEUE_Current();
2152 struct received_message_info
*info
= queue
->receive_info
;
2154 if (info
) return info
->flags
;
2155 return ISMEX_NOSEND
;
2159 /***********************************************************************
2160 * PostMessageA (USER32.@)
2162 BOOL WINAPI
PostMessageA( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2164 return PostMessageW( hwnd
, msg
, map_wparam_AtoW( msg
, wparam
), lparam
);
2168 /***********************************************************************
2169 * PostMessageW (USER32.@)
2171 BOOL WINAPI
PostMessageW( HWND hwnd
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2173 struct send_message_info info
;
2176 if (is_pointer_message( msg
))
2178 SetLastError( ERROR_MESSAGE_SYNC_ONLY
);
2182 TRACE( "hwnd %p msg %x (%s) wp %x lp %lx\n",
2183 hwnd
, msg
, SPY_GetMsgName(msg
, hwnd
), wparam
, lparam
);
2185 info
.type
= MSG_POSTED
;
2188 info
.wparam
= wparam
;
2189 info
.lparam
= lparam
;
2192 if (is_broadcast(hwnd
))
2194 EnumWindows( broadcast_message_callback
, (LPARAM
)&info
);
2198 if (!hwnd
) return PostThreadMessageW( GetCurrentThreadId(), msg
, wparam
, lparam
);
2200 if (!(dest_tid
= GetWindowThreadProcessId( hwnd
, NULL
))) return FALSE
;
2202 if (USER_IsExitingThread( dest_tid
)) return TRUE
;
2204 return put_message_in_queue( dest_tid
, &info
, NULL
);
2208 /**********************************************************************
2209 * PostThreadMessageA (USER32.@)
2211 BOOL WINAPI
PostThreadMessageA( DWORD thread
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2213 return PostThreadMessageW( thread
, msg
, map_wparam_AtoW( msg
, wparam
), lparam
);
2217 /**********************************************************************
2218 * PostThreadMessageW (USER32.@)
2220 BOOL WINAPI
PostThreadMessageW( DWORD thread
, UINT msg
, WPARAM wparam
, LPARAM lparam
)
2222 struct send_message_info info
;
2224 if (is_pointer_message( msg
))
2226 SetLastError( ERROR_MESSAGE_SYNC_ONLY
);
2229 if (USER_IsExitingThread( thread
)) return TRUE
;
2231 info
.type
= MSG_POSTED
;
2234 info
.wparam
= wparam
;
2235 info
.lparam
= lparam
;
2237 return put_message_in_queue( thread
, &info
, NULL
);
2241 /***********************************************************************
2242 * PostQuitMessage (USER32.@)
2244 void WINAPI
PostQuitMessage( INT exitCode
)
2246 PostThreadMessageW( GetCurrentThreadId(), WM_QUIT
, exitCode
, 0 );
2250 /***********************************************************************
2251 * PeekMessageW (USER32.@)
2253 BOOL WINAPI
PeekMessageW( MSG
*msg_out
, HWND hwnd
, UINT first
, UINT last
, UINT flags
)
2255 MESSAGEQUEUE
*queue
;
2259 /* check for graphics events */
2260 if (USER_Driver
.pMsgWaitForMultipleObjectsEx
)
2261 USER_Driver
.pMsgWaitForMultipleObjectsEx( 0, NULL
, 0, 0, 0 );
2263 hwnd
= WIN_GetFullHandle( hwnd
);
2264 locks
= WIN_SuspendWndsLock();
2266 if (!MSG_peek_message( &msg
, hwnd
, first
, last
,
2267 (flags
& PM_REMOVE
) ? GET_MSG_REMOVE
: 0 ))
2269 if (!(flags
& PM_NOYIELD
))
2272 ReleaseThunkLock(&count
);
2273 if (count
) RestoreThunkLock(count
);
2275 WIN_RestoreWndsLock( locks
);
2279 WIN_RestoreWndsLock( locks
);
2281 if (msg
.message
== WM_PAINT
) /* clear internal paint flag */
2282 RedrawWindow( msg
.hwnd
, NULL
, 0, RDW_NOINTERNALPAINT
| RDW_NOCHILDREN
);
2284 if ((queue
= QUEUE_Current()))
2286 queue
->GetMessageTimeVal
= msg
.time
;
2287 msg
.pt
.x
= LOWORD( queue
->GetMessagePosVal
);
2288 msg
.pt
.y
= HIWORD( queue
->GetMessagePosVal
);
2291 HOOK_CallHooks( WH_GETMESSAGE
, HC_ACTION
, flags
& PM_REMOVE
, (LPARAM
)&msg
, TRUE
);
2293 /* copy back our internal safe copy of message data to msg_out.
2294 * msg_out is a variable from the *program*, so it can't be used
2295 * internally as it can get "corrupted" by our use of SendMessage()
2296 * (back to the program) inside the message handling itself. */
2302 /***********************************************************************
2303 * PeekMessageA (USER32.@)
2305 BOOL WINAPI
PeekMessageA( MSG
*msg
, HWND hwnd
, UINT first
, UINT last
, UINT flags
)
2307 BOOL ret
= PeekMessageW( msg
, hwnd
, first
, last
, flags
);
2308 if (ret
) msg
->wParam
= map_wparam_WtoA( msg
->message
, msg
->wParam
);
2313 /***********************************************************************
2314 * GetMessageW (USER32.@)
2316 BOOL WINAPI
GetMessageW( MSG
*msg
, HWND hwnd
, UINT first
, UINT last
)
2318 MESSAGEQUEUE
*queue
= QUEUE_Current();
2321 mask
= QS_POSTMESSAGE
| QS_SENDMESSAGE
; /* Always selected */
2324 if ((first
<= WM_KEYLAST
) && (last
>= WM_KEYFIRST
)) mask
|= QS_KEY
;
2325 if ( ((first
<= WM_MOUSELAST
) && (last
>= WM_MOUSEFIRST
)) ||
2326 ((first
<= WM_NCMOUSELAST
) && (last
>= WM_NCMOUSEFIRST
)) ) mask
|= QS_MOUSE
;
2327 if ((first
<= WM_TIMER
) && (last
>= WM_TIMER
)) mask
|= QS_TIMER
;
2328 if ((first
<= WM_SYSTIMER
) && (last
>= WM_SYSTIMER
)) mask
|= QS_TIMER
;
2329 if ((first
<= WM_PAINT
) && (last
>= WM_PAINT
)) mask
|= QS_PAINT
;
2331 else mask
|= QS_MOUSE
| QS_KEY
| QS_TIMER
| QS_PAINT
;
2333 locks
= WIN_SuspendWndsLock();
2335 while (!PeekMessageW( msg
, hwnd
, first
, last
, PM_REMOVE
))
2337 /* wait until one of the bits is set */
2338 unsigned int wake_bits
= 0, changed_bits
= 0;
2341 SERVER_START_REQ( set_queue_mask
)
2343 req
->wake_mask
= QS_SENDMESSAGE
;
2344 req
->changed_mask
= mask
;
2346 if (!wine_server_call( req
))
2348 wake_bits
= reply
->wake_bits
;
2349 changed_bits
= reply
->changed_bits
;
2354 if (changed_bits
& mask
) continue;
2355 if (wake_bits
& QS_SENDMESSAGE
) continue;
2357 TRACE( "(%04x) mask=%08x, bits=%08x, changed=%08x, waiting\n",
2358 queue
->self
, mask
, wake_bits
, changed_bits
);
2360 ReleaseThunkLock( &dwlc
);
2361 if (USER_Driver
.pMsgWaitForMultipleObjectsEx
)
2362 USER_Driver
.pMsgWaitForMultipleObjectsEx( 1, &queue
->server_queue
, INFINITE
, 0, 0 );
2364 WaitForSingleObject( queue
->server_queue
, INFINITE
);
2365 if (dwlc
) RestoreThunkLock( dwlc
);
2368 WIN_RestoreWndsLock( locks
);
2370 return (msg
->message
!= WM_QUIT
);
2374 /***********************************************************************
2375 * GetMessageA (USER32.@)
2377 BOOL WINAPI
GetMessageA( MSG
*msg
, HWND hwnd
, UINT first
, UINT last
)
2379 GetMessageW( msg
, hwnd
, first
, last
);
2380 msg
->wParam
= map_wparam_WtoA( msg
->message
, msg
->wParam
);
2381 return (msg
->message
!= WM_QUIT
);
2385 /***********************************************************************
2386 * IsDialogMessage (USER32.@)
2387 * IsDialogMessageA (USER32.@)
2389 BOOL WINAPI
IsDialogMessageA( HWND hwndDlg
, LPMSG pmsg
)
2392 msg
.wParam
= map_wparam_AtoW( msg
.message
, msg
.wParam
);
2393 return IsDialogMessageW( hwndDlg
, &msg
);
2397 /***********************************************************************
2398 * SetMessageQueue (USER32.@)
2400 BOOL WINAPI
SetMessageQueue( INT size
)
2402 /* now obsolete the message queue will be expanded dynamically as necessary */
2407 /***********************************************************************
2408 * MessageBeep (USER32.@)
2410 BOOL WINAPI
MessageBeep( UINT i
)
2413 SystemParametersInfoA( SPI_GETBEEP
, 0, &active
, FALSE
);
2414 if (active
) USER_Driver
.pBeep();
2419 /**********************************************************************
2420 * AttachThreadInput (USER32.@)
2422 * Attaches the input processing mechanism of one thread to that of
2425 BOOL WINAPI
AttachThreadInput( DWORD from
, DWORD to
, BOOL attach
)
2429 SERVER_START_REQ( attach_thread_input
)
2431 req
->tid_from
= from
;
2433 req
->attach
= attach
;
2434 ret
= !wine_server_call_err( req
);
2441 /**********************************************************************
2442 * GetGUIThreadInfo (USER32.@)
2444 BOOL WINAPI
GetGUIThreadInfo( DWORD id
, GUITHREADINFO
*info
)
2448 SERVER_START_REQ( get_thread_input
)
2451 if ((ret
= !wine_server_call_err( req
)))
2454 info
->hwndActive
= reply
->active
;
2455 info
->hwndFocus
= reply
->focus
;
2456 info
->hwndCapture
= reply
->capture
;
2457 info
->hwndMenuOwner
= reply
->menu_owner
;
2458 info
->hwndMoveSize
= reply
->move_size
;
2459 info
->hwndCaret
= reply
->caret
;
2460 info
->rcCaret
.left
= reply
->rect
.left
;
2461 info
->rcCaret
.top
= reply
->rect
.top
;
2462 info
->rcCaret
.right
= reply
->rect
.right
;
2463 info
->rcCaret
.bottom
= reply
->rect
.bottom
;
2464 if (reply
->menu_owner
) info
->flags
|= GUI_INMENUMODE
;
2465 if (reply
->move_size
) info
->flags
|= GUI_INMOVESIZE
;
2466 if (reply
->caret
) info
->flags
|= GUI_CARETBLINKING
;
2474 /**********************************************************************
2475 * GetKeyState (USER32.@)
2477 * An application calls the GetKeyState function in response to a
2478 * keyboard-input message. This function retrieves the state of the key
2479 * at the time the input message was generated.
2481 SHORT WINAPI
GetKeyState(INT vkey
)
2485 SERVER_START_REQ( get_key_state
)
2487 req
->tid
= GetCurrentThreadId();
2489 if (!wine_server_call( req
)) retval
= (signed char)reply
->state
;
2492 TRACE("key (0x%x) -> %x\n", vkey
, retval
);
2497 /**********************************************************************
2498 * GetKeyboardState (USER32.@)
2500 BOOL WINAPI
GetKeyboardState( LPBYTE state
)
2504 TRACE("(%p)\n", state
);
2506 memset( state
, 0, 256 );
2507 SERVER_START_REQ( get_key_state
)
2509 req
->tid
= GetCurrentThreadId();
2511 wine_server_set_reply( req
, state
, 256 );
2512 ret
= !wine_server_call_err( req
);
2519 /**********************************************************************
2520 * SetKeyboardState (USER32.@)
2522 BOOL WINAPI
SetKeyboardState( LPBYTE state
)
2526 TRACE("(%p)\n", state
);
2528 SERVER_START_REQ( set_key_state
)
2530 req
->tid
= GetCurrentThreadId();
2531 wine_server_add_data( req
, state
, 256 );
2532 ret
= !wine_server_call_err( req
);
2538 /******************************************************************
2539 * IsHungAppWindow (USER32.@)
2542 BOOL WINAPI
IsHungAppWindow( HWND hWnd
)
2545 return !SendMessageTimeoutA(hWnd
, WM_NULL
, 0, 0, SMTO_ABORTIFHUNG
, 5000, &dwResult
);