2 * Message queues related functions
4 * Copyright 1993, 1994 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
26 #ifdef HAVE_SYS_TIME_H
27 # include <sys/time.h>
29 #include <sys/types.h>
36 #include "wine/server.h"
50 #include "wine/debug.h"
52 WINE_DEFAULT_DEBUG_CHANNEL(msg
);
53 WINE_DECLARE_DEBUG_CHANNEL(key
);
55 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
56 #define WM_NCMOUSELAST WM_NCMBUTTONDBLCLK
58 static BYTE QueueKeyStateTable
[256];
61 /***********************************************************************
64 inline static BOOL
is_keyboard_message( UINT message
)
66 return (message
>= WM_KEYFIRST
&& message
<= WM_KEYLAST
);
70 /***********************************************************************
73 inline static BOOL
is_mouse_message( UINT message
)
75 return ((message
>= WM_NCMOUSEFIRST
&& message
<= WM_NCMOUSELAST
) ||
76 (message
>= WM_MOUSEFIRST
&& message
<= WM_MOUSELAST
));
80 /***********************************************************************
81 * check_message_filter
83 inline static BOOL
check_message_filter( const MSG
*msg
, HWND hwnd
, UINT first
, UINT last
)
87 if (msg
->hwnd
!= hwnd
&& !IsChild( hwnd
, msg
->hwnd
)) return FALSE
;
91 return (msg
->message
>= first
&& msg
->message
<= last
);
97 /***********************************************************************
98 * process_sent_messages
100 * Process all pending sent messages.
102 inline static void process_sent_messages(void)
105 MSG_peek_message( &msg
, 0, 0, 0, GET_MSG_REMOVE
| GET_MSG_SENT_ONLY
);
109 /***********************************************************************
110 * queue_hardware_message
112 * store a hardware message in the thread queue
114 static void queue_hardware_message( MSG
*msg
, ULONG_PTR extra_info
, enum message_type type
)
116 SERVER_START_REQ( send_message
)
119 req
->id
= (void *)GetWindowThreadProcessId( msg
->hwnd
, NULL
);
120 req
->win
= msg
->hwnd
;
121 req
->msg
= msg
->message
;
122 req
->wparam
= msg
->wParam
;
123 req
->lparam
= msg
->lParam
;
126 req
->time
= msg
->time
;
127 req
->info
= extra_info
;
129 wine_server_call( req
);
135 /***********************************************************************
136 * update_queue_key_state
138 static void update_queue_key_state( UINT msg
, WPARAM wp
)
173 BYTE
*p
= &QueueKeyStateTable
[wp
];
174 if (!(*p
& 0x80)) *p
^= 0x01;
177 else QueueKeyStateTable
[wp
] &= ~0x80;
181 /***********************************************************************
182 * MSG_SendParentNotify
184 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
185 * the window has the WS_EX_NOPARENTNOTIFY style.
187 static void MSG_SendParentNotify( HWND hwnd
, WORD event
, WORD idChild
, POINT pt
)
189 /* pt has to be in the client coordinates of the parent window */
190 MapWindowPoints( 0, hwnd
, &pt
, 1 );
195 if (!(GetWindowLongA( hwnd
, GWL_STYLE
) & WS_CHILD
)) break;
196 if (GetWindowLongA( hwnd
, GWL_EXSTYLE
) & WS_EX_NOPARENTNOTIFY
) break;
197 if (!(parent
= GetParent(hwnd
))) break;
198 MapWindowPoints( hwnd
, parent
, &pt
, 1 );
200 SendMessageA( hwnd
, WM_PARENTNOTIFY
,
201 MAKEWPARAM( event
, idChild
), MAKELPARAM( pt
.x
, pt
.y
) );
206 /***********************************************************************
207 * MSG_JournalPlayBackMsg
209 * Get an EVENTMSG struct via call JOURNALPLAYBACK hook function
211 void MSG_JournalPlayBackMsg(void)
218 if (!HOOK_IsHooked( WH_JOURNALPLAYBACK
)) return;
220 wtime
=HOOK_CallHooksA( WH_JOURNALPLAYBACK
, HC_GETNEXT
, 0, (LPARAM
)&tmpMsg
);
221 /* TRACE(msg,"Playback wait time =%ld\n",wtime); */
225 msg
.message
= tmpMsg
.message
;
226 msg
.hwnd
= tmpMsg
.hwnd
;
227 msg
.time
= tmpMsg
.time
;
228 if ((tmpMsg
.message
>= WM_KEYFIRST
) && (tmpMsg
.message
<= WM_KEYLAST
))
230 msg
.wParam
= tmpMsg
.paramL
& 0xFF;
231 msg
.lParam
= MAKELONG(tmpMsg
.paramH
&0x7ffff,tmpMsg
.paramL
>>8);
232 if (tmpMsg
.message
== WM_KEYDOWN
|| tmpMsg
.message
== WM_SYSKEYDOWN
)
234 for (keyDown
=i
=0; i
<256 && !keyDown
; i
++)
235 if (InputKeyStateTable
[i
] & 0x80)
238 msg
.lParam
|= 0x40000000;
239 InputKeyStateTable
[msg
.wParam
] |= 0x80;
240 AsyncKeyStateTable
[msg
.wParam
] |= 0x80;
242 else /* WM_KEYUP, WM_SYSKEYUP */
244 msg
.lParam
|= 0xC0000000;
245 InputKeyStateTable
[msg
.wParam
] &= ~0x80;
247 if (InputKeyStateTable
[VK_MENU
] & 0x80)
248 msg
.lParam
|= 0x20000000;
249 if (tmpMsg
.paramH
& 0x8000) /*special_key bit*/
250 msg
.lParam
|= 0x01000000;
252 msg
.pt
.x
= msg
.pt
.y
= 0;
253 queue_hardware_message( &msg
, 0, MSG_HARDWARE_RAW
);
255 else if ((tmpMsg
.message
>= WM_MOUSEFIRST
) && (tmpMsg
.message
<= WM_MOUSELAST
))
257 switch (tmpMsg
.message
)
260 InputKeyStateTable
[VK_LBUTTON
] |= 0x80;
261 AsyncKeyStateTable
[VK_LBUTTON
] |= 0x80;
264 InputKeyStateTable
[VK_LBUTTON
] &= ~0x80;
267 InputKeyStateTable
[VK_MBUTTON
] |= 0x80;
268 AsyncKeyStateTable
[VK_MBUTTON
] |= 0x80;
271 InputKeyStateTable
[VK_MBUTTON
] &= ~0x80;
274 InputKeyStateTable
[VK_RBUTTON
] |= 0x80;
275 AsyncKeyStateTable
[VK_RBUTTON
] |= 0x80;
278 InputKeyStateTable
[VK_RBUTTON
] &= ~0x80;
281 SetCursorPos(tmpMsg
.paramL
,tmpMsg
.paramH
);
282 msg
.lParam
=MAKELONG(tmpMsg
.paramL
,tmpMsg
.paramH
);
284 if (InputKeyStateTable
[VK_LBUTTON
] & 0x80) msg
.wParam
|= MK_LBUTTON
;
285 if (InputKeyStateTable
[VK_MBUTTON
] & 0x80) msg
.wParam
|= MK_MBUTTON
;
286 if (InputKeyStateTable
[VK_RBUTTON
] & 0x80) msg
.wParam
|= MK_RBUTTON
;
288 msg
.pt
.x
= tmpMsg
.paramL
;
289 msg
.pt
.y
= tmpMsg
.paramH
;
290 queue_hardware_message( &msg
, 0, MSG_HARDWARE_RAW
);
292 HOOK_CallHooksA( WH_JOURNALPLAYBACK
, HC_SKIP
, 0, (LPARAM
)&tmpMsg
);
296 if( tmpMsg
.message
== WM_QUEUESYNC
)
297 if (HOOK_IsHooked( WH_CBT
))
298 HOOK_CallHooksA( WH_CBT
, HCBT_QS
, 0, 0L);
303 /***********************************************************************
304 * process_raw_keyboard_message
306 * returns TRUE if the contents of 'msg' should be passed to the application
308 static BOOL
process_raw_keyboard_message( MSG
*msg
, ULONG_PTR extra_info
)
310 if (!(msg
->hwnd
= GetFocus()))
312 /* Send the message to the active window instead, */
313 /* translating messages to their WM_SYS equivalent */
314 msg
->hwnd
= GetActiveWindow();
315 if (msg
->message
< WM_SYSKEYDOWN
) msg
->message
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
318 if (HOOK_IsHooked( WH_JOURNALRECORD
))
322 event
.message
= msg
->message
;
323 event
.hwnd
= msg
->hwnd
;
324 event
.time
= msg
->time
;
325 event
.paramL
= (msg
->wParam
& 0xFF) | (HIWORD(msg
->lParam
) << 8);
326 event
.paramH
= msg
->lParam
& 0x7FFF;
327 if (HIWORD(msg
->lParam
) & 0x0100) event
.paramH
|= 0x8000; /* special_key - bit */
328 HOOK_CallHooksA( WH_JOURNALRECORD
, HC_ACTION
, 0, (LPARAM
)&event
);
331 /* if we are going to throw away the message, update the queue state now */
332 if (!msg
->hwnd
) update_queue_key_state( msg
->message
, msg
->wParam
);
334 return (msg
->hwnd
!= 0);
338 /***********************************************************************
339 * process_cooked_keyboard_message
341 * returns TRUE if the contents of 'msg' should be passed to the application
343 static BOOL
process_cooked_keyboard_message( MSG
*msg
, BOOL remove
)
347 update_queue_key_state( msg
->message
, msg
->wParam
);
349 /* Handle F1 key by sending out WM_HELP message */
350 if ((msg
->message
== WM_KEYUP
) &&
351 (msg
->wParam
== VK_F1
) &&
352 (msg
->hwnd
!= GetDesktopWindow()) &&
353 !MENU_IsMenuActive())
356 hi
.cbSize
= sizeof(HELPINFO
);
357 hi
.iContextType
= HELPINFO_WINDOW
;
358 hi
.iCtrlId
= GetWindowLongA( msg
->hwnd
, GWL_ID
);
359 hi
.hItemHandle
= msg
->hwnd
;
360 hi
.dwContextId
= GetWindowContextHelpId( msg
->hwnd
);
361 hi
.MousePos
= msg
->pt
;
362 SendMessageA(msg
->hwnd
, WM_HELP
, 0, (LPARAM
)&hi
);
366 if (HOOK_CallHooksA( WH_KEYBOARD
, remove
? HC_ACTION
: HC_NOREMOVE
,
367 LOWORD(msg
->wParam
), msg
->lParam
))
369 /* skip this message */
370 HOOK_CallHooksA( WH_CBT
, HCBT_KEYSKIPPED
, LOWORD(msg
->wParam
), msg
->lParam
);
377 /***********************************************************************
378 * process_raw_mouse_message
380 * returns TRUE if the contents of 'msg' should be passed to the application
382 static BOOL
process_raw_mouse_message( MSG
*msg
, ULONG_PTR extra_info
)
389 /* find the window to dispatch this mouse message to */
392 if (!(msg
->hwnd
= PERQDATA_GetCaptureWnd( &ht
)))
394 /* If no capture HWND, find window which contains the mouse position.
395 * Also find the position of the cursor hot spot (hittest) */
396 HWND hWndScope
= (HWND
)extra_info
;
398 if (!IsWindow(hWndScope
)) hWndScope
= 0;
399 if (!(msg
->hwnd
= WINPOS_WindowFromPoint( hWndScope
, msg
->pt
, &hittest
)))
400 msg
->hwnd
= GetDesktopWindow();
404 if (HOOK_IsHooked( WH_JOURNALRECORD
))
407 event
.message
= msg
->message
;
408 event
.time
= msg
->time
;
409 event
.hwnd
= msg
->hwnd
;
410 event
.paramL
= msg
->pt
.x
;
411 event
.paramH
= msg
->pt
.y
;
412 HOOK_CallHooksA( WH_JOURNALRECORD
, HC_ACTION
, 0, (LPARAM
)&event
);
415 /* translate double clicks */
417 if ((msg
->message
== WM_LBUTTONDOWN
) ||
418 (msg
->message
== WM_RBUTTONDOWN
) ||
419 (msg
->message
== WM_MBUTTONDOWN
))
422 /* translate double clicks -
423 * note that ...MOUSEMOVEs can slip in between
424 * ...BUTTONDOWN and ...BUTTONDBLCLK messages */
426 if (GetClassLongA( msg
->hwnd
, GCL_STYLE
) & CS_DBLCLKS
|| ht
!= HTCLIENT
)
428 if ((msg
->message
== clk_msg
.message
) &&
429 (msg
->hwnd
== clk_msg
.hwnd
) &&
430 (msg
->time
- clk_msg
.time
< GetDoubleClickTime()) &&
431 (abs(msg
->pt
.x
- clk_msg
.pt
.x
) < GetSystemMetrics(SM_CXDOUBLECLK
)/2) &&
432 (abs(msg
->pt
.y
- clk_msg
.pt
.y
) < GetSystemMetrics(SM_CYDOUBLECLK
)/2))
434 msg
->message
+= (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
);
439 /* update static double click conditions */
440 if (update
) clk_msg
= *msg
;
444 /* Note: windows has no concept of a non-client wheel message */
445 if (hittest
!= HTCLIENT
&& msg
->message
!= WM_MOUSEWHEEL
)
447 msg
->message
+= WM_NCMOUSEMOVE
- WM_MOUSEMOVE
;
448 msg
->wParam
= hittest
;
450 else ScreenToClient( msg
->hwnd
, &pt
);
451 msg
->lParam
= MAKELONG( pt
.x
, pt
.y
);
456 /***********************************************************************
457 * process_cooked_mouse_message
459 * returns TRUE if the contents of 'msg' should be passed to the application
461 static BOOL
process_cooked_mouse_message( MSG
*msg
, ULONG_PTR extra_info
, BOOL remove
)
463 INT hittest
= HTCLIENT
;
464 UINT raw_message
= msg
->message
;
467 if (msg
->message
>= WM_NCMOUSEFIRST
&& msg
->message
<= WM_NCMOUSELAST
)
469 raw_message
+= WM_MOUSEFIRST
- WM_NCMOUSEFIRST
;
470 hittest
= msg
->wParam
;
472 if (raw_message
== WM_LBUTTONDBLCLK
||
473 raw_message
== WM_RBUTTONDBLCLK
||
474 raw_message
== WM_MBUTTONDBLCLK
)
476 raw_message
+= WM_LBUTTONDOWN
- WM_LBUTTONDBLCLK
;
479 if (remove
) update_queue_key_state( raw_message
, 0 );
481 if (HOOK_IsHooked( WH_MOUSE
))
483 MOUSEHOOKSTRUCT hook
;
485 hook
.hwnd
= msg
->hwnd
;
486 hook
.wHitTestCode
= hittest
;
487 hook
.dwExtraInfo
= extra_info
;
488 if (HOOK_CallHooksA( WH_MOUSE
, remove
? HC_ACTION
: HC_NOREMOVE
,
489 msg
->message
, (LPARAM
)&hook
))
492 hook
.hwnd
= msg
->hwnd
;
493 hook
.wHitTestCode
= hittest
;
494 hook
.dwExtraInfo
= extra_info
;
495 HOOK_CallHooksA( WH_CBT
, HCBT_CLICKSKIPPED
, msg
->message
, (LPARAM
)&hook
);
500 if ((hittest
== HTERROR
) || (hittest
== HTNOWHERE
))
502 SendMessageA( msg
->hwnd
, WM_SETCURSOR
, (WPARAM
)msg
->hwnd
,
503 MAKELONG( hittest
, raw_message
));
507 if (!remove
|| GetCapture()) return TRUE
;
511 if ((raw_message
== WM_LBUTTONDOWN
) ||
512 (raw_message
== WM_RBUTTONDOWN
) ||
513 (raw_message
== WM_MBUTTONDOWN
))
515 HWND hwndTop
= GetAncestor( msg
->hwnd
, GA_ROOT
);
517 /* Send the WM_PARENTNOTIFY,
518 * note that even for double/nonclient clicks
519 * notification message is still WM_L/M/RBUTTONDOWN.
521 MSG_SendParentNotify( msg
->hwnd
, raw_message
, 0, msg
->pt
);
523 /* Activate the window if needed */
525 if (msg
->hwnd
!= GetActiveWindow() && hwndTop
!= GetDesktopWindow())
527 LONG ret
= SendMessageA( msg
->hwnd
, WM_MOUSEACTIVATE
, (WPARAM
)hwndTop
,
528 MAKELONG( hittest
, raw_message
) );
532 case MA_NOACTIVATEANDEAT
:
537 case MA_ACTIVATEANDEAT
:
542 if (hwndTop
!= GetForegroundWindow() )
544 if (!WINPOS_SetActiveWindow( hwndTop
, TRUE
, TRUE
))
549 WARN( "unknown WM_MOUSEACTIVATE code %ld\n", ret
);
555 /* send the WM_SETCURSOR message */
557 /* Windows sends the normal mouse message as the message parameter
558 in the WM_SETCURSOR message even if it's non-client mouse message */
559 SendMessageA( msg
->hwnd
, WM_SETCURSOR
, (WPARAM
)msg
->hwnd
,
560 MAKELONG( hittest
, raw_message
));
566 /***********************************************************************
567 * process_hardware_message
569 * returns TRUE if the contents of 'msg' should be passed to the application
571 BOOL
MSG_process_raw_hardware_message( MSG
*msg
, ULONG_PTR extra_info
, HWND hwnd_filter
,
572 UINT first
, UINT last
, BOOL remove
)
574 if (is_keyboard_message( msg
->message
))
576 if (!process_raw_keyboard_message( msg
, extra_info
)) return FALSE
;
578 else if (is_mouse_message( msg
->message
))
580 if (!process_raw_mouse_message( msg
, extra_info
)) return FALSE
;
584 ERR( "unknown message type %x\n", msg
->message
);
588 /* check destination thread and filters */
589 if (!check_message_filter( msg
, hwnd_filter
, first
, last
) ||
590 !WIN_IsCurrentThread( msg
->hwnd
))
592 /* queue it for later, or for another thread */
593 queue_hardware_message( msg
, extra_info
, MSG_HARDWARE_COOKED
);
597 /* save the message in the cooked queue if we didn't want to remove it */
598 if (!remove
) queue_hardware_message( msg
, extra_info
, MSG_HARDWARE_COOKED
);
603 /***********************************************************************
604 * MSG_process_cooked_hardware_message
606 * returns TRUE if the contents of 'msg' should be passed to the application
608 BOOL
MSG_process_cooked_hardware_message( MSG
*msg
, ULONG_PTR extra_info
, BOOL remove
)
610 if (is_keyboard_message( msg
->message
))
611 return process_cooked_keyboard_message( msg
, remove
);
613 if (is_mouse_message( msg
->message
))
614 return process_cooked_mouse_message( msg
, extra_info
, remove
);
616 ERR( "unknown message type %x\n", msg
->message
);
621 /**********************************************************************
622 * GetKeyState (USER.106)
624 INT16 WINAPI
GetKeyState16(INT16 vkey
)
626 return GetKeyState(vkey
);
630 /**********************************************************************
631 * GetKeyState (USER32.@)
633 * An application calls the GetKeyState function in response to a
634 * keyboard-input message. This function retrieves the state of the key
635 * at the time the input message was generated. (SDK 3.1 Vol 2. p 390)
637 SHORT WINAPI
GetKeyState(INT vkey
)
641 if (vkey
>= 'a' && vkey
<= 'z') vkey
+= 'A' - 'a';
642 retval
= ((WORD
)(QueueKeyStateTable
[vkey
] & 0x80) << 8 ) |
643 (QueueKeyStateTable
[vkey
] & 0x80) |
644 (QueueKeyStateTable
[vkey
] & 0x01);
645 TRACE("key (0x%x) -> %x\n", vkey
, retval
);
650 /**********************************************************************
651 * GetKeyboardState (USER.222)
652 * GetKeyboardState (USER32.@)
654 * An application calls the GetKeyboardState function in response to a
655 * keyboard-input message. This function retrieves the state of the keyboard
656 * at the time the input message was generated. (SDK 3.1 Vol 2. p 387)
658 BOOL WINAPI
GetKeyboardState(LPBYTE lpKeyState
)
660 TRACE_(key
)("(%p)\n", lpKeyState
);
661 if (lpKeyState
) memcpy(lpKeyState
, QueueKeyStateTable
, 256);
666 /**********************************************************************
667 * SetKeyboardState (USER.223)
668 * SetKeyboardState (USER32.@)
670 BOOL WINAPI
SetKeyboardState(LPBYTE lpKeyState
)
672 TRACE_(key
)("(%p)\n", lpKeyState
);
673 if (lpKeyState
) memcpy(QueueKeyStateTable
, lpKeyState
, 256);
678 /***********************************************************************
679 * WaitMessage (USER.112) Suspend thread pending messages
680 * WaitMessage (USER32.@) Suspend thread pending messages
682 * WaitMessage() suspends a thread until events appear in the thread's
685 BOOL WINAPI
WaitMessage(void)
687 return (MsgWaitForMultipleObjectsEx( 0, NULL
, INFINITE
, QS_ALLINPUT
, 0 ) != WAIT_FAILED
);
691 /***********************************************************************
692 * MsgWaitForMultipleObjectsEx (USER32.@)
694 DWORD WINAPI
MsgWaitForMultipleObjectsEx( DWORD count
, CONST HANDLE
*pHandles
,
695 DWORD timeout
, DWORD mask
, DWORD flags
)
697 HANDLE handles
[MAXIMUM_WAIT_OBJECTS
];
699 MESSAGEQUEUE
*msgQueue
;
701 if (count
> MAXIMUM_WAIT_OBJECTS
-1)
703 SetLastError( ERROR_INVALID_PARAMETER
);
707 if (!(msgQueue
= QUEUE_Current())) return WAIT_FAILED
;
709 /* set the queue mask */
710 SERVER_START_REQ( set_queue_mask
)
712 req
->wake_mask
= (flags
& MWMO_INPUTAVAILABLE
) ? mask
: 0;
713 req
->changed_mask
= mask
;
715 wine_server_call( req
);
719 /* Add the thread event to the handle list */
720 for (i
= 0; i
< count
; i
++) handles
[i
] = pHandles
[i
];
721 handles
[count
] = msgQueue
->server_queue
;
723 ReleaseThunkLock( &lock
);
724 if (USER_Driver
.pMsgWaitForMultipleObjectsEx
)
726 ret
= USER_Driver
.pMsgWaitForMultipleObjectsEx( count
+1, handles
, timeout
, mask
, flags
);
727 if (ret
== count
+1) ret
= count
; /* pretend the msg queue is ready */
730 ret
= WaitForMultipleObjectsEx( count
+1, handles
, flags
& MWMO_WAITALL
,
731 timeout
, flags
& MWMO_ALERTABLE
);
732 if (lock
) RestoreThunkLock( lock
);
737 /***********************************************************************
738 * MsgWaitForMultipleObjects (USER32.@)
740 DWORD WINAPI
MsgWaitForMultipleObjects( DWORD count
, CONST HANDLE
*handles
,
741 BOOL wait_all
, DWORD timeout
, DWORD mask
)
743 return MsgWaitForMultipleObjectsEx( count
, handles
, timeout
, mask
,
744 wait_all
? MWMO_WAITALL
: 0 );
748 /***********************************************************************
749 * WaitForInputIdle (USER32.@)
751 DWORD WINAPI
WaitForInputIdle( HANDLE hProcess
, DWORD dwTimeOut
)
753 DWORD start_time
, elapsed
, ret
;
754 HANDLE idle_event
= -1;
756 SERVER_START_REQ( wait_input_idle
)
758 req
->handle
= hProcess
;
759 req
->timeout
= dwTimeOut
;
760 if (!(ret
= wine_server_call_err( req
))) idle_event
= reply
->event
;
763 if (ret
) return WAIT_FAILED
; /* error */
764 if (!idle_event
) return 0; /* no event to wait on */
766 start_time
= GetTickCount();
769 TRACE("waiting for %x\n", idle_event
);
772 ret
= MsgWaitForMultipleObjects ( 1, &idle_event
, FALSE
, dwTimeOut
- elapsed
, QS_SENDMESSAGE
);
775 case WAIT_OBJECT_0
+1:
776 process_sent_messages();
780 TRACE("timeout or error\n");
786 if (dwTimeOut
!= INFINITE
)
788 elapsed
= GetTickCount() - start_time
;
789 if (elapsed
> dwTimeOut
)
799 /***********************************************************************
800 * UserYield (USER.332)
801 * UserYield16 (USER32.@)
803 void WINAPI
UserYield16(void)
807 /* Handle sent messages */
808 process_sent_messages();
811 ReleaseThunkLock(&count
);
814 RestoreThunkLock(count
);
815 /* Handle sent messages again */
816 process_sent_messages();
828 static const struct accent_char accent_chars
[] =
830 /* A good idea should be to read /usr/X11/lib/X11/locale/iso8859-x/Compose */
831 {'`', 'A', '\300'}, {'`', 'a', '\340'},
832 {'\'', 'A', '\301'}, {'\'', 'a', '\341'},
833 {'^', 'A', '\302'}, {'^', 'a', '\342'},
834 {'~', 'A', '\303'}, {'~', 'a', '\343'},
835 {'"', 'A', '\304'}, {'"', 'a', '\344'},
836 {'O', 'A', '\305'}, {'o', 'a', '\345'},
837 {'0', 'A', '\305'}, {'0', 'a', '\345'},
838 {'A', 'A', '\305'}, {'a', 'a', '\345'},
839 {'A', 'E', '\306'}, {'a', 'e', '\346'},
840 {',', 'C', '\307'}, {',', 'c', '\347'},
841 {'`', 'E', '\310'}, {'`', 'e', '\350'},
842 {'\'', 'E', '\311'}, {'\'', 'e', '\351'},
843 {'^', 'E', '\312'}, {'^', 'e', '\352'},
844 {'"', 'E', '\313'}, {'"', 'e', '\353'},
845 {'`', 'I', '\314'}, {'`', 'i', '\354'},
846 {'\'', 'I', '\315'}, {'\'', 'i', '\355'},
847 {'^', 'I', '\316'}, {'^', 'i', '\356'},
848 {'"', 'I', '\317'}, {'"', 'i', '\357'},
849 {'-', 'D', '\320'}, {'-', 'd', '\360'},
850 {'~', 'N', '\321'}, {'~', 'n', '\361'},
851 {'`', 'O', '\322'}, {'`', 'o', '\362'},
852 {'\'', 'O', '\323'}, {'\'', 'o', '\363'},
853 {'^', 'O', '\324'}, {'^', 'o', '\364'},
854 {'~', 'O', '\325'}, {'~', 'o', '\365'},
855 {'"', 'O', '\326'}, {'"', 'o', '\366'},
856 {'/', 'O', '\330'}, {'/', 'o', '\370'},
857 {'`', 'U', '\331'}, {'`', 'u', '\371'},
858 {'\'', 'U', '\332'}, {'\'', 'u', '\372'},
859 {'^', 'U', '\333'}, {'^', 'u', '\373'},
860 {'"', 'U', '\334'}, {'"', 'u', '\374'},
861 {'\'', 'Y', '\335'}, {'\'', 'y', '\375'},
862 {'T', 'H', '\336'}, {'t', 'h', '\376'},
863 {'s', 's', '\337'}, {'"', 'y', '\377'},
864 {'s', 'z', '\337'}, {'i', 'j', '\377'},
865 /* iso-8859-2 uses this */
866 {'<', 'L', '\245'}, {'<', 'l', '\265'}, /* caron */
867 {'<', 'S', '\251'}, {'<', 's', '\271'},
868 {'<', 'T', '\253'}, {'<', 't', '\273'},
869 {'<', 'Z', '\256'}, {'<', 'z', '\276'},
870 {'<', 'C', '\310'}, {'<', 'c', '\350'},
871 {'<', 'E', '\314'}, {'<', 'e', '\354'},
872 {'<', 'D', '\317'}, {'<', 'd', '\357'},
873 {'<', 'N', '\322'}, {'<', 'n', '\362'},
874 {'<', 'R', '\330'}, {'<', 'r', '\370'},
875 {';', 'A', '\241'}, {';', 'a', '\261'}, /* ogonek */
876 {';', 'E', '\312'}, {';', 'e', '\332'},
877 {'\'', 'Z', '\254'}, {'\'', 'z', '\274'}, /* acute */
878 {'\'', 'R', '\300'}, {'\'', 'r', '\340'},
879 {'\'', 'L', '\305'}, {'\'', 'l', '\345'},
880 {'\'', 'C', '\306'}, {'\'', 'c', '\346'},
881 {'\'', 'N', '\321'}, {'\'', 'n', '\361'},
882 /* collision whith S, from iso-8859-9 !!! */
883 {',', 'S', '\252'}, {',', 's', '\272'}, /* cedilla */
884 {',', 'T', '\336'}, {',', 't', '\376'},
885 {'.', 'Z', '\257'}, {'.', 'z', '\277'}, /* dot above */
886 {'/', 'L', '\243'}, {'/', 'l', '\263'}, /* slash */
887 {'/', 'D', '\320'}, {'/', 'd', '\360'},
888 {'(', 'A', '\303'}, {'(', 'a', '\343'}, /* breve */
889 {'\275', 'O', '\325'}, {'\275', 'o', '\365'}, /* double acute */
890 {'\275', 'U', '\334'}, {'\275', 'u', '\374'},
891 {'0', 'U', '\332'}, {'0', 'u', '\372'}, /* ring above */
892 /* iso-8859-3 uses this */
893 {'/', 'H', '\241'}, {'/', 'h', '\261'}, /* slash */
894 {'>', 'H', '\246'}, {'>', 'h', '\266'}, /* circumflex */
895 {'>', 'J', '\254'}, {'>', 'j', '\274'},
896 {'>', 'C', '\306'}, {'>', 'c', '\346'},
897 {'>', 'G', '\330'}, {'>', 'g', '\370'},
898 {'>', 'S', '\336'}, {'>', 's', '\376'},
899 /* collision whith G( from iso-8859-9 !!! */
900 {'(', 'G', '\253'}, {'(', 'g', '\273'}, /* breve */
901 {'(', 'U', '\335'}, {'(', 'u', '\375'},
902 /* collision whith I. from iso-8859-3 !!! */
903 {'.', 'I', '\251'}, {'.', 'i', '\271'}, /* dot above */
904 {'.', 'C', '\305'}, {'.', 'c', '\345'},
905 {'.', 'G', '\325'}, {'.', 'g', '\365'},
906 /* iso-8859-4 uses this */
907 {',', 'R', '\243'}, {',', 'r', '\263'}, /* cedilla */
908 {',', 'L', '\246'}, {',', 'l', '\266'},
909 {',', 'G', '\253'}, {',', 'g', '\273'},
910 {',', 'N', '\321'}, {',', 'n', '\361'},
911 {',', 'K', '\323'}, {',', 'k', '\363'},
912 {'~', 'I', '\245'}, {'~', 'i', '\265'}, /* tilde */
913 {'-', 'E', '\252'}, {'-', 'e', '\272'}, /* macron */
914 {'-', 'A', '\300'}, {'-', 'a', '\340'},
915 {'-', 'I', '\317'}, {'-', 'i', '\357'},
916 {'-', 'O', '\322'}, {'-', 'o', '\362'},
917 {'-', 'U', '\336'}, {'-', 'u', '\376'},
918 {'/', 'T', '\254'}, {'/', 't', '\274'}, /* slash */
919 {'.', 'E', '\314'}, {'.', 'e', '\344'}, /* dot above */
920 {';', 'I', '\307'}, {';', 'i', '\347'}, /* ogonek */
921 {';', 'U', '\331'}, {';', 'u', '\371'},
922 /* iso-8859-9 uses this */
923 /* iso-8859-9 has really bad choosen G( S, and I. as they collide
924 * whith the same letters on other iso-8859-x (that is they are on
925 * different places :-( ), if you use turkish uncomment these and
926 * comment out the lines in iso-8859-2 and iso-8859-3 sections
927 * FIXME: should be dynamic according to chosen language
928 * if/when Wine has turkish support.
930 /* collision whith G( from iso-8859-3 !!! */
931 /* {'(', 'G', '\320'}, {'(', 'g', '\360'}, */ /* breve */
932 /* collision whith S, from iso-8859-2 !!! */
933 /* {',', 'S', '\336'}, {',', 's', '\376'}, */ /* cedilla */
934 /* collision whith I. from iso-8859-3 !!! */
935 /* {'.', 'I', '\335'}, {'.', 'i', '\375'}, */ /* dot above */
939 /***********************************************************************
940 * TranslateMessage (USER32.@)
942 * Implementation of TranslateMessage.
944 * TranslateMessage translates virtual-key messages into character-messages,
946 * WM_KEYDOWN/WM_KEYUP combinations produce a WM_CHAR or WM_DEADCHAR message.
947 * ditto replacing WM_* with WM_SYS*
948 * This produces WM_CHAR messages only for keys mapped to ASCII characters
949 * by the keyboard driver.
951 * If the message is WM_KEYDOWN, WM_KEYUP, WM_SYSKEYDOWN, or WM_SYSKEYUP, the
952 * return value is nonzero, regardless of the translation.
955 BOOL WINAPI
TranslateMessage( const MSG
*msg
)
957 static int dead_char
;
962 if (msg
->message
>= WM_KEYFIRST
&& msg
->message
<= WM_KEYLAST
)
964 TRACE_(key
)("(%s, %04X, %08lX)\n",
965 SPY_GetMsgName(msg
->message
, msg
->hwnd
), msg
->wParam
, msg
->lParam
);
967 /* Return code must be TRUE no matter what! */
971 if ((msg
->message
!= WM_KEYDOWN
) && (msg
->message
!= WM_SYSKEYDOWN
)) return rc
;
973 TRACE_(key
)("Translating key %s (%04x), scancode %02x\n",
974 SPY_GetVKeyName(msg
->wParam
), msg
->wParam
, LOBYTE(HIWORD(msg
->lParam
)));
976 /* FIXME : should handle ToUnicode yielding 2 */
977 switch (ToUnicode(msg
->wParam
, HIWORD(msg
->lParam
), QueueKeyStateTable
, wp
, 2, 0))
980 message
= (msg
->message
== WM_KEYDOWN
) ? WM_CHAR
: WM_SYSCHAR
;
981 /* Should dead chars handling go in ToAscii ? */
986 if (wp
[0] == ' ') wp
[0] = dead_char
;
987 if (dead_char
== 0xa2) dead_char
= '(';
988 else if (dead_char
== 0xa8) dead_char
= '"';
989 else if (dead_char
== 0xb2) dead_char
= ';';
990 else if (dead_char
== 0xb4) dead_char
= '\'';
991 else if (dead_char
== 0xb7) dead_char
= '<';
992 else if (dead_char
== 0xb8) dead_char
= ',';
993 else if (dead_char
== 0xff) dead_char
= '.';
994 for (i
= 0; i
< sizeof(accent_chars
)/sizeof(accent_chars
[0]); i
++)
995 if ((accent_chars
[i
].ac_accent
== dead_char
) &&
996 (accent_chars
[i
].ac_char
== wp
[0]))
998 wp
[0] = accent_chars
[i
].ac_result
;
1003 TRACE_(key
)("1 -> PostMessage(%s)\n", SPY_GetMsgName(message
, msg
->hwnd
));
1004 PostMessageW( msg
->hwnd
, message
, wp
[0], msg
->lParam
);
1008 message
= (msg
->message
== WM_KEYDOWN
) ? WM_DEADCHAR
: WM_SYSDEADCHAR
;
1010 TRACE_(key
)("-1 -> PostMessage(%s)\n", SPY_GetMsgName(message
, msg
->hwnd
));
1011 PostMessageW( msg
->hwnd
, message
, wp
[0], msg
->lParam
);
1018 /***********************************************************************
1019 * DispatchMessageA (USER32.@)
1021 LONG WINAPI
DispatchMessageA( const MSG
* msg
)
1028 /* Process timer messages */
1029 if ((msg
->message
== WM_TIMER
) || (msg
->message
== WM_SYSTIMER
))
1033 /* HOOK_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1035 /* before calling window proc, verify whether timer is still valid;
1036 there's a slim chance that the application kills the timer
1037 between GetMessage and DispatchMessage API calls */
1038 if (!TIMER_IsTimerValid(msg
->hwnd
, (UINT
) msg
->wParam
, (HWINDOWPROC
) msg
->lParam
))
1039 return 0; /* invalid winproc */
1041 return CallWindowProcA( (WNDPROC
)msg
->lParam
, msg
->hwnd
,
1042 msg
->message
, msg
->wParam
, GetTickCount() );
1046 if (!(wndPtr
= WIN_GetPtr( msg
->hwnd
)))
1048 if (msg
->hwnd
) SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1051 if (wndPtr
== WND_OTHER_PROCESS
)
1053 if (IsWindow( msg
->hwnd
))
1054 ERR( "cannot dispatch msg to other process window %x\n", msg
->hwnd
);
1055 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1058 if (!(winproc
= wndPtr
->winproc
))
1060 WIN_ReleasePtr( wndPtr
);
1063 painting
= (msg
->message
== WM_PAINT
);
1064 if (painting
) wndPtr
->flags
|= WIN_NEEDS_BEGINPAINT
;
1065 WIN_ReleasePtr( wndPtr
);
1066 /* hook_CallHooks32A( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1068 SPY_EnterMessage( SPY_DISPATCHMESSAGE
, msg
->hwnd
, msg
->message
,
1069 msg
->wParam
, msg
->lParam
);
1070 retval
= CallWindowProcA( winproc
, msg
->hwnd
, msg
->message
,
1071 msg
->wParam
, msg
->lParam
);
1072 SPY_ExitMessage( SPY_RESULT_OK
, msg
->hwnd
, msg
->message
, retval
,
1073 msg
->wParam
, msg
->lParam
);
1075 if (painting
&& (wndPtr
= WIN_GetPtr( msg
->hwnd
)) && (wndPtr
!= WND_OTHER_PROCESS
))
1077 BOOL validate
= ((wndPtr
->flags
& WIN_NEEDS_BEGINPAINT
) && wndPtr
->hrgnUpdate
);
1078 wndPtr
->flags
&= ~WIN_NEEDS_BEGINPAINT
;
1079 WIN_ReleasePtr( wndPtr
);
1082 ERR( "BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg
->hwnd
);
1083 /* Validate the update region to avoid infinite WM_PAINT loop */
1084 RedrawWindow( msg
->hwnd
, NULL
, 0,
1085 RDW_NOFRAME
| RDW_VALIDATE
| RDW_NOCHILDREN
| RDW_NOINTERNALPAINT
);
1092 /***********************************************************************
1093 * DispatchMessageW (USER32.@) Process Message
1095 * Process the message specified in the structure *_msg_.
1097 * If the lpMsg parameter points to a WM_TIMER message and the
1098 * parameter of the WM_TIMER message is not NULL, the lParam parameter
1099 * points to the function that is called instead of the window
1102 * The message must be valid.
1106 * DispatchMessage() returns the result of the window procedure invoked.
1113 LONG WINAPI
DispatchMessageW( const MSG
* msg
)
1120 /* Process timer messages */
1121 if ((msg
->message
== WM_TIMER
) || (msg
->message
== WM_SYSTIMER
))
1125 /* HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1127 /* before calling window proc, verify whether timer is still valid;
1128 there's a slim chance that the application kills the timer
1129 between GetMessage and DispatchMessage API calls */
1130 if (!TIMER_IsTimerValid(msg
->hwnd
, (UINT
) msg
->wParam
, (HWINDOWPROC
) msg
->lParam
))
1131 return 0; /* invalid winproc */
1133 return CallWindowProcW( (WNDPROC
)msg
->lParam
, msg
->hwnd
,
1134 msg
->message
, msg
->wParam
, GetTickCount() );
1138 if (!(wndPtr
= WIN_GetPtr( msg
->hwnd
)))
1140 if (msg
->hwnd
) SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1143 if (wndPtr
== WND_OTHER_PROCESS
)
1145 if (IsWindow( msg
->hwnd
))
1146 ERR( "cannot dispatch msg to other process window %x\n", msg
->hwnd
);
1147 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1150 if (!(winproc
= wndPtr
->winproc
))
1152 WIN_ReleasePtr( wndPtr
);
1155 painting
= (msg
->message
== WM_PAINT
);
1156 if (painting
) wndPtr
->flags
|= WIN_NEEDS_BEGINPAINT
;
1157 WIN_ReleasePtr( wndPtr
);
1158 /* HOOK_CallHooks32W( WH_CALLWNDPROC, HC_ACTION, 0, FIXME ); */
1160 SPY_EnterMessage( SPY_DISPATCHMESSAGE
, msg
->hwnd
, msg
->message
,
1161 msg
->wParam
, msg
->lParam
);
1162 retval
= CallWindowProcW( winproc
, msg
->hwnd
, msg
->message
,
1163 msg
->wParam
, msg
->lParam
);
1164 SPY_ExitMessage( SPY_RESULT_OK
, msg
->hwnd
, msg
->message
, retval
,
1165 msg
->wParam
, msg
->lParam
);
1167 if (painting
&& (wndPtr
= WIN_GetPtr( msg
->hwnd
)) && (wndPtr
!= WND_OTHER_PROCESS
))
1169 BOOL validate
= ((wndPtr
->flags
& WIN_NEEDS_BEGINPAINT
) && wndPtr
->hrgnUpdate
);
1170 wndPtr
->flags
&= ~WIN_NEEDS_BEGINPAINT
;
1171 WIN_ReleasePtr( wndPtr
);
1174 ERR( "BeginPaint not called on WM_PAINT for hwnd %04x!\n", msg
->hwnd
);
1175 /* Validate the update region to avoid infinite WM_PAINT loop */
1176 RedrawWindow( msg
->hwnd
, NULL
, 0,
1177 RDW_NOFRAME
| RDW_VALIDATE
| RDW_NOCHILDREN
| RDW_NOINTERNALPAINT
);
1184 /***********************************************************************
1185 * RegisterWindowMessage (USER.118)
1186 * RegisterWindowMessageA (USER32.@)
1188 WORD WINAPI
RegisterWindowMessageA( LPCSTR str
)
1190 TRACE("%s\n", str
);
1191 return GlobalAddAtomA( str
);
1195 /***********************************************************************
1196 * RegisterWindowMessageW (USER32.@)
1198 WORD WINAPI
RegisterWindowMessageW( LPCWSTR str
)
1200 TRACE("%p\n", str
);
1201 return GlobalAddAtomW( str
);
1205 /***********************************************************************
1206 * BroadcastSystemMessage (USER32.@)
1207 * BroadcastSystemMessageA (USER32.@)
1209 LONG WINAPI
BroadcastSystemMessage(
1210 DWORD dwFlags
,LPDWORD recipients
,UINT uMessage
,WPARAM wParam
,
1213 if ((*recipients
& BSM_APPLICATIONS
)||
1214 (*recipients
== BSM_ALLCOMPONENTS
))
1216 FIXME("(%08lx,%08lx,%08x,%08x,%08lx): semi-stub!\n",
1217 dwFlags
,*recipients
,uMessage
,wParam
,lParam
);
1218 PostMessageA(HWND_BROADCAST
,uMessage
,wParam
,lParam
);
1223 FIXME("(%08lx,%08lx,%08x,%08x,%08lx): stub!\n",
1224 dwFlags
,*recipients
,uMessage
,wParam
,lParam
);