2 * Server-side message queues
4 * Copyright (C) 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
31 #define WIN32_NO_STATUS
48 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
49 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
51 enum message_kind
{ SEND_MESSAGE
, POST_MESSAGE
};
52 #define NB_MSG_KINDS (POST_MESSAGE+1)
54 /* list of processes registered for rawinput in the input desktop */
55 static struct list rawinput_processes
= LIST_INIT(rawinput_processes
);
59 struct list sender_entry
; /* entry in sender list */
60 struct message
*msg
; /* message the result is for */
61 struct message_result
*recv_next
; /* next in receiver list */
62 struct msg_queue
*sender
; /* sender queue */
63 struct msg_queue
*receiver
; /* receiver queue */
64 int replied
; /* has it been replied to? */
65 unsigned int error
; /* error code to pass back to sender */
66 lparam_t result
; /* reply result */
67 struct message
*hardware_msg
; /* hardware message if low-level hook result */
68 struct desktop
*desktop
; /* desktop for hardware message */
69 struct message
*callback_msg
; /* message to queue for callback */
70 void *data
; /* message reply data */
71 unsigned int data_size
; /* size of message reply data */
72 struct timeout_user
*timeout
; /* result timeout */
77 struct list entry
; /* entry in message list */
78 enum message_type type
; /* message type */
79 user_handle_t win
; /* window handle */
80 unsigned int msg
; /* message code */
81 lparam_t wparam
; /* parameters */
82 lparam_t lparam
; /* parameters */
83 int x
; /* message position */
85 unsigned int time
; /* message time */
86 void *data
; /* message data for sent messages */
87 unsigned int data_size
; /* size of message data */
88 unsigned int unique_id
; /* unique id for nested hw message waits */
89 struct message_result
*result
; /* result in sender queue */
94 struct list entry
; /* entry in timer list */
95 abstime_t when
; /* next expiration */
96 unsigned int rate
; /* timer rate in ms */
97 user_handle_t win
; /* window handle */
98 unsigned int msg
; /* message to post */
99 lparam_t id
; /* timer id */
100 lparam_t lparam
; /* lparam for message */
105 struct object obj
; /* object header */
106 struct desktop
*desktop
; /* desktop that this thread input belongs to */
107 int caret_hide
; /* caret hide count */
108 int caret_state
; /* caret on/off state */
109 struct list msg_list
; /* list of hardware messages */
110 unsigned char keystate
[256]; /* state of each key */
111 unsigned char desktop_keystate
[256]; /* desktop keystate when keystate was synced */
112 int keystate_lock
; /* keystate is locked */
113 const input_shm_t
*shared
; /* thread input in session shared memory */
118 struct object obj
; /* object header */
119 struct fd
*fd
; /* optional file descriptor to poll */
120 int paint_count
; /* pending paint messages count */
121 int hotkey_count
; /* pending hotkey messages count */
122 int quit_message
; /* is there a pending quit message? */
123 int exit_code
; /* exit code of pending quit message */
124 int cursor_count
; /* per-queue cursor show count */
125 struct list msg_list
[NB_MSG_KINDS
]; /* lists of messages */
126 struct list send_result
; /* stack of sent messages waiting for result */
127 struct list callback_result
; /* list of callback messages waiting for result */
128 struct message_result
*recv_result
; /* stack of received messages waiting for result */
129 struct list pending_timers
; /* list of pending timers */
130 struct list expired_timers
; /* list of expired timers */
131 lparam_t next_timer_id
; /* id for the next timer with a 0 window */
132 struct timeout_user
*timeout
; /* timeout for next timer to expire */
133 struct thread_input
*input
; /* thread input descriptor */
134 struct hook_table
*hooks
; /* hook table */
135 timeout_t last_get_msg
; /* time of last get message call */
136 int keystate_lock
; /* owns an input keystate lock */
137 const queue_shm_t
*shared
; /* queue in session shared memory */
142 struct list entry
; /* entry in desktop hotkey list */
143 struct msg_queue
*queue
; /* queue owning this hotkey */
144 user_handle_t win
; /* window handle */
145 int id
; /* hotkey id */
146 unsigned int vkey
; /* virtual key code */
147 unsigned int flags
; /* key modifiers */
150 static void msg_queue_dump( struct object
*obj
, int verbose
);
151 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
152 static void msg_queue_remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
153 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
154 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
);
155 static void msg_queue_destroy( struct object
*obj
);
156 static void msg_queue_poll_event( struct fd
*fd
, int event
);
157 static void thread_input_dump( struct object
*obj
, int verbose
);
158 static void thread_input_destroy( struct object
*obj
);
159 static void timer_callback( void *private );
161 static const struct object_ops msg_queue_ops
=
163 sizeof(struct msg_queue
), /* size */
165 msg_queue_dump
, /* dump */
166 msg_queue_add_queue
, /* add_queue */
167 msg_queue_remove_queue
, /* remove_queue */
168 msg_queue_signaled
, /* signaled */
169 msg_queue_satisfied
, /* satisfied */
170 no_signal
, /* signal */
171 no_get_fd
, /* get_fd */
172 default_map_access
, /* map_access */
173 default_get_sd
, /* get_sd */
174 default_set_sd
, /* set_sd */
175 no_get_full_name
, /* get_full_name */
176 no_lookup_name
, /* lookup_name */
177 no_link_name
, /* link_name */
178 NULL
, /* unlink_name */
179 no_open_file
, /* open_file */
180 no_kernel_obj_list
, /* get_kernel_obj_list */
181 no_close_handle
, /* close_handle */
182 msg_queue_destroy
/* destroy */
185 static const struct fd_ops msg_queue_fd_ops
=
187 NULL
, /* get_poll_events */
188 msg_queue_poll_event
, /* poll_event */
190 NULL
, /* get_fd_type */
192 NULL
, /* queue_async */
193 NULL
, /* reselect_async */
194 NULL
/* cancel async */
198 static const struct object_ops thread_input_ops
=
200 sizeof(struct thread_input
), /* size */
202 thread_input_dump
, /* dump */
203 no_add_queue
, /* add_queue */
204 NULL
, /* remove_queue */
206 NULL
, /* satisfied */
207 no_signal
, /* signal */
208 no_get_fd
, /* get_fd */
209 default_map_access
, /* map_access */
210 default_get_sd
, /* get_sd */
211 default_set_sd
, /* set_sd */
212 no_get_full_name
, /* get_full_name */
213 no_lookup_name
, /* lookup_name */
214 no_link_name
, /* link_name */
215 NULL
, /* unlink_name */
216 no_open_file
, /* open_file */
217 no_kernel_obj_list
, /* get_kernel_obj_list */
218 no_close_handle
, /* close_handle */
219 thread_input_destroy
/* destroy */
222 /* pointer to input structure of foreground thread */
223 static unsigned int last_input_time
;
225 static cursor_pos_t cursor_history
[64];
226 static unsigned int cursor_history_latest
;
228 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
);
229 static void free_message( struct message
*msg
);
231 /* set the caret window in a given thread input, requires write lock on the thread input shared member */
232 static void set_caret_window( struct thread_input
*input
, input_shm_t
*shared
, user_handle_t win
)
234 if (!win
|| win
!= shared
->caret
)
236 shared
->caret_rect
.left
= 0;
237 shared
->caret_rect
.top
= 0;
238 shared
->caret_rect
.right
= 0;
239 shared
->caret_rect
.bottom
= 0;
242 input
->caret_hide
= 1;
243 input
->caret_state
= 0;
246 /* create a thread input object */
247 static struct thread_input
*create_thread_input( struct thread
*thread
)
249 struct thread_input
*input
;
251 if ((input
= alloc_object( &thread_input_ops
)))
253 list_init( &input
->msg_list
);
254 memset( input
->keystate
, 0, sizeof(input
->keystate
) );
255 input
->keystate_lock
= 0;
256 input
->shared
= NULL
;
258 if (!(input
->desktop
= get_thread_desktop( thread
, 0 /* FIXME: access rights */ )))
260 release_object( input
);
263 memcpy( input
->desktop_keystate
, (const void *)input
->desktop
->shared
->keystate
,
264 sizeof(input
->desktop_keystate
) );
266 if (!(input
->shared
= alloc_shared_object()))
268 release_object( input
);
272 SHARED_WRITE_BEGIN( input
->shared
, input_shm_t
)
274 shared
->foreground
= 0;
278 shared
->menu_owner
= 0;
279 shared
->move_size
= 0;
280 set_caret_window( input
, shared
, 0 );
282 shared
->cursor_count
= 0;
289 /* create a message queue object */
290 static struct msg_queue
*create_msg_queue( struct thread
*thread
, struct thread_input
*input
)
292 struct thread_input
*new_input
= NULL
;
293 struct msg_queue
*queue
;
294 struct desktop
*desktop
;
299 if (!(new_input
= create_thread_input( thread
))) return NULL
;
303 if ((queue
= alloc_object( &msg_queue_ops
)))
306 queue
->paint_count
= 0;
307 queue
->hotkey_count
= 0;
308 queue
->quit_message
= 0;
309 queue
->cursor_count
= 0;
310 queue
->recv_result
= NULL
;
311 queue
->next_timer_id
= 0x7fff;
312 queue
->timeout
= NULL
;
313 queue
->input
= (struct thread_input
*)grab_object( input
);
315 queue
->last_get_msg
= current_time
;
316 queue
->keystate_lock
= 0;
317 list_init( &queue
->send_result
);
318 list_init( &queue
->callback_result
);
319 list_init( &queue
->pending_timers
);
320 list_init( &queue
->expired_timers
);
321 for (i
= 0; i
< NB_MSG_KINDS
; i
++) list_init( &queue
->msg_list
[i
] );
323 if (!(queue
->shared
= alloc_shared_object()))
325 release_object( queue
);
329 SHARED_WRITE_BEGIN( queue
->shared
, queue_shm_t
)
331 memset( (void *)shared
->hooks_count
, 0, sizeof(shared
->hooks_count
) );
332 shared
->wake_mask
= 0;
333 shared
->wake_bits
= 0;
334 shared
->changed_mask
= 0;
335 shared
->changed_bits
= 0;
339 thread
->queue
= queue
;
341 if ((desktop
= get_thread_desktop( thread
, 0 )))
343 add_desktop_hook_count( desktop
, thread
, 1 );
344 release_object( desktop
);
347 if (new_input
) release_object( new_input
);
351 /* free the message queue of a thread at thread exit */
352 void free_msg_queue( struct thread
*thread
)
354 remove_thread_hooks( thread
);
355 if (!thread
->queue
) return;
356 release_object( thread
->queue
);
357 thread
->queue
= NULL
;
360 /* synchronize thread input keystate with the desktop */
361 static void sync_input_keystate( struct thread_input
*input
)
363 const desktop_shm_t
*desktop_shm
;
366 if (!input
->desktop
|| input
->keystate_lock
) return;
367 desktop_shm
= input
->desktop
->shared
;
369 for (i
= 0; i
< sizeof(input
->keystate
); ++i
)
371 if (input
->desktop_keystate
[i
] == desktop_shm
->keystate
[i
]) continue;
372 input
->keystate
[i
] = input
->desktop_keystate
[i
] = desktop_shm
->keystate
[i
];
376 /* locks thread input keystate to prevent synchronization */
377 static void lock_input_keystate( struct thread_input
*input
)
379 input
->keystate_lock
++;
382 /* unlock the thread input keystate and synchronize it again */
383 static void unlock_input_keystate( struct thread_input
*input
)
385 input
->keystate_lock
--;
386 if (!input
->keystate_lock
) sync_input_keystate( input
);
389 /* change the thread input data of a given thread */
390 static int assign_thread_input( struct thread
*thread
, struct thread_input
*new_input
)
392 struct msg_queue
*queue
= thread
->queue
;
393 const input_shm_t
*input_shm
;
397 thread
->queue
= create_msg_queue( thread
, new_input
);
398 return thread
->queue
!= NULL
;
402 input_shm
= queue
->input
->shared
;
404 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
406 shared
->cursor_count
-= queue
->cursor_count
;
410 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
412 /* invalidate the old object to force clients to refresh their cached thread input */
413 invalidate_shared_object( queue
->input
->shared
);
414 release_object( queue
->input
);
416 queue
->input
= (struct thread_input
*)grab_object( new_input
);
417 if (queue
->keystate_lock
) lock_input_keystate( queue
->input
);
419 input_shm
= new_input
->shared
;
420 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
422 shared
->cursor_count
+= queue
->cursor_count
;
429 /* allocate a hardware message and its data */
430 static struct message
*alloc_hardware_message( lparam_t info
, struct hw_msg_source source
,
431 unsigned int time
, data_size_t extra_size
)
433 struct hardware_msg_data
*msg_data
;
436 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return NULL
;
437 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) + extra_size
)))
442 memset( msg
, 0, sizeof(*msg
) );
443 msg
->type
= MSG_HARDWARE
;
445 msg
->data
= msg_data
;
446 msg
->data_size
= sizeof(*msg_data
) + extra_size
;
448 memset( msg_data
, 0, sizeof(*msg_data
) + extra_size
);
449 msg_data
->info
= info
;
450 msg_data
->size
= msg
->data_size
;
451 msg_data
->source
= source
;
455 static int is_cursor_clipped( struct desktop
*desktop
)
457 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
458 rectangle_t top_rect
, clip_rect
= desktop_shm
->cursor
.clip
;
459 get_top_window_rectangle( desktop
, &top_rect
);
460 return !is_rect_equal( &clip_rect
, &top_rect
);
463 static void queue_cursor_message( struct desktop
*desktop
, user_handle_t win
, unsigned int message
,
464 lparam_t wparam
, lparam_t lparam
)
466 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
467 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
468 struct thread_input
*input
;
471 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
474 msg
->wparam
= wparam
;
475 msg
->lparam
= lparam
;
476 msg
->x
= desktop_shm
->cursor
.x
;
477 msg
->y
= desktop_shm
->cursor
.y
;
478 if (!(msg
->win
= win
) && (input
= desktop
->foreground_input
)) msg
->win
= input
->shared
->active
;
479 queue_hardware_message( desktop
, msg
, 1 );
482 static struct thread_input
*get_desktop_cursor_thread_input( struct desktop
*desktop
)
484 struct thread_input
*input
= NULL
;
485 struct thread
*thread
;
487 if ((thread
= get_window_thread( desktop
->cursor_win
)))
489 if (thread
->queue
) input
= thread
->queue
->input
;
490 release_object( thread
);
496 static int update_desktop_cursor_window( struct desktop
*desktop
, user_handle_t win
)
498 int updated
= win
!= desktop
->cursor_win
;
499 struct thread_input
*input
;
500 desktop
->cursor_win
= win
;
502 if (updated
&& (input
= get_desktop_cursor_thread_input( desktop
)))
504 const input_shm_t
*input_shm
= input
->shared
;
505 user_handle_t handle
= input_shm
->cursor_count
< 0 ? 0 : input_shm
->cursor
;
506 /* when clipping send the message to the foreground window as well, as some driver have an artificial overlay window */
507 if (is_cursor_clipped( desktop
)) queue_cursor_message( desktop
, 0, WM_WINE_SETCURSOR
, win
, handle
);
508 queue_cursor_message( desktop
, win
, WM_WINE_SETCURSOR
, win
, handle
);
514 static int update_desktop_cursor_pos( struct desktop
*desktop
, user_handle_t win
, int x
, int y
)
516 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
518 unsigned int time
= get_tick_count();
520 x
= max( min( x
, desktop_shm
->cursor
.clip
.right
- 1 ), desktop_shm
->cursor
.clip
.left
);
521 y
= max( min( y
, desktop_shm
->cursor
.clip
.bottom
- 1 ), desktop_shm
->cursor
.clip
.top
);
523 SHARED_WRITE_BEGIN( desktop_shm
, desktop_shm_t
)
525 updated
= shared
->cursor
.x
!= x
|| shared
->cursor
.y
!= y
;
526 shared
->cursor
.x
= x
;
527 shared
->cursor
.y
= y
;
528 shared
->cursor
.last_change
= time
;
532 if (!win
|| !is_window_visible( win
) || is_window_transparent( win
))
533 win
= shallow_window_from_point( desktop
, x
, y
);
534 if (update_desktop_cursor_window( desktop
, win
)) updated
= 1;
539 static void update_desktop_cursor_handle( struct desktop
*desktop
, struct thread_input
*input
, user_handle_t handle
)
541 if (input
== get_desktop_cursor_thread_input( desktop
))
543 user_handle_t win
= desktop
->cursor_win
;
544 /* when clipping send the message to the foreground window as well, as some driver have an artificial overlay window */
545 if (is_cursor_clipped( desktop
)) queue_cursor_message( desktop
, 0, WM_WINE_SETCURSOR
, win
, handle
);
546 queue_cursor_message( desktop
, win
, WM_WINE_SETCURSOR
, win
, handle
);
550 /* set the cursor position and queue the corresponding mouse message */
551 static void set_cursor_pos( struct desktop
*desktop
, int x
, int y
)
553 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
554 const struct rawinput_device
*device
;
557 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
559 update_desktop_cursor_pos( desktop
, 0, x
, y
);
563 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
565 msg
->msg
= WM_MOUSEMOVE
;
568 queue_hardware_message( desktop
, msg
, 1 );
571 /* retrieve default position and time for synthesized messages */
572 static void get_message_defaults( struct msg_queue
*queue
, int *x
, int *y
, unsigned int *time
)
574 struct desktop
*desktop
= queue
->input
->desktop
;
575 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
577 *x
= desktop_shm
->cursor
.x
;
578 *y
= desktop_shm
->cursor
.y
;
579 *time
= get_tick_count();
582 /* set the cursor clip rectangle */
583 void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
, unsigned int flags
, int reset
)
585 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
586 rectangle_t top_rect
, new_rect
;
587 unsigned int old_flags
;
590 get_top_window_rectangle( desktop
, &top_rect
);
594 if (new_rect
.left
< top_rect
.left
) new_rect
.left
= top_rect
.left
;
595 if (new_rect
.right
> top_rect
.right
) new_rect
.right
= top_rect
.right
;
596 if (new_rect
.top
< top_rect
.top
) new_rect
.top
= top_rect
.top
;
597 if (new_rect
.bottom
> top_rect
.bottom
) new_rect
.bottom
= top_rect
.bottom
;
598 if (new_rect
.left
> new_rect
.right
|| new_rect
.top
> new_rect
.bottom
) new_rect
= top_rect
;
600 else new_rect
= top_rect
;
602 SHARED_WRITE_BEGIN( desktop_shm
, desktop_shm_t
)
604 shared
->cursor
.clip
= new_rect
;
608 old_flags
= desktop
->clip_flags
;
609 desktop
->clip_flags
= flags
;
611 /* warp the mouse to be inside the clip rect */
612 x
= max( min( desktop_shm
->cursor
.x
, new_rect
.right
- 1 ), new_rect
.left
);
613 y
= max( min( desktop_shm
->cursor
.y
, new_rect
.bottom
- 1 ), new_rect
.top
);
614 if (x
!= desktop_shm
->cursor
.x
|| y
!= desktop_shm
->cursor
.y
) set_cursor_pos( desktop
, x
, y
);
616 /* request clip cursor rectangle reset to the desktop thread */
617 if (reset
) post_desktop_message( desktop
, WM_WINE_CLIPCURSOR
, flags
, FALSE
);
619 /* notify foreground thread of reset, clipped, or released cursor rect */
620 if (reset
|| flags
!= SET_CURSOR_NOCLIP
|| old_flags
!= SET_CURSOR_NOCLIP
)
621 queue_cursor_message( desktop
, 0, WM_WINE_CLIPCURSOR
, flags
, reset
);
624 /* change the foreground input and reset the cursor clip rect */
625 static void set_foreground_input( struct desktop
*desktop
, struct thread_input
*input
)
627 const input_shm_t
*input_shm
, *old_input_shm
;
628 shared_object_t dummy_obj
= {0};
630 if (desktop
->foreground_input
== input
) return;
631 input_shm
= input
? input
->shared
: &dummy_obj
.shm
.input
;
632 old_input_shm
= desktop
->foreground_input
? desktop
->foreground_input
->shared
: &dummy_obj
.shm
.input
;
634 set_clip_rectangle( desktop
, NULL
, SET_CURSOR_NOCLIP
, 1 );
635 desktop
->foreground_input
= input
;
637 SHARED_WRITE_BEGIN( old_input_shm
, input_shm_t
)
639 input_shm_t
*old_shared
= shared
;
640 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
642 old_shared
->foreground
= 0;
643 shared
->foreground
= 1;
650 /* get the hook table for a given thread */
651 struct hook_table
*get_queue_hooks( struct thread
*thread
)
653 if (!thread
->queue
) return NULL
;
654 return thread
->queue
->hooks
;
657 /* set the hook table for a given thread, allocating the queue if needed */
658 void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
)
660 struct msg_queue
*queue
= thread
->queue
;
661 if (!queue
&& !(queue
= create_msg_queue( thread
, NULL
))) return;
662 if (queue
->hooks
) release_object( queue
->hooks
);
663 queue
->hooks
= hooks
;
666 /* update the thread message queue hooks counters */
667 void add_queue_hook_count( struct thread
*thread
, unsigned int index
, int count
)
669 if (!thread
->queue
) return;
671 SHARED_WRITE_BEGIN( thread
->queue
->shared
, queue_shm_t
)
673 shared
->hooks_count
[index
] += count
;
677 assert( thread
->queue
->shared
->hooks_count
[index
] >= 0 );
680 /* check the queue status */
681 static inline int is_signaled( struct msg_queue
*queue
)
683 const queue_shm_t
*queue_shm
= queue
->shared
;
684 return (queue_shm
->wake_bits
& queue_shm
->wake_mask
) ||
685 (queue_shm
->changed_bits
& queue_shm
->changed_mask
);
688 /* set some queue bits */
689 static inline void set_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
691 const queue_shm_t
*queue_shm
= queue
->shared
;
693 if (bits
& (QS_KEY
| QS_MOUSEBUTTON
))
695 if (!queue
->keystate_lock
) lock_input_keystate( queue
->input
);
696 queue
->keystate_lock
= 1;
699 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
701 shared
->wake_bits
|= bits
;
702 shared
->changed_bits
|= bits
;
706 if (is_signaled( queue
)) wake_up( &queue
->obj
, 0 );
709 /* clear some queue bits */
710 static inline void clear_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
712 const queue_shm_t
*queue_shm
= queue
->shared
;
714 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
716 shared
->wake_bits
&= ~bits
;
717 shared
->changed_bits
&= ~bits
;
721 if (!(queue_shm
->wake_bits
& (QS_KEY
| QS_MOUSEBUTTON
)))
723 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
724 queue
->keystate_lock
= 0;
728 /* check if message is matched by the filter */
729 static inline int check_msg_filter( unsigned int msg
, unsigned int first
, unsigned int last
)
731 return (msg
>= first
&& msg
<= last
);
734 /* check whether a message filter contains at least one potential hardware message */
735 static inline int filter_contains_hw_range( unsigned int first
, unsigned int last
)
737 /* hardware message ranges are (in numerical order):
738 * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
739 * WM_INPUT_DEVICE_CHANGE .. WM_KEYLAST
740 * WM_MOUSEFIRST .. WM_MOUSELAST
742 if (last
< WM_NCMOUSEFIRST
) return 0;
743 if (first
> WM_NCMOUSELAST
&& last
< WM_INPUT_DEVICE_CHANGE
) return 0;
744 if (first
> WM_KEYLAST
&& last
< WM_MOUSEFIRST
) return 0;
745 if (first
> WM_MOUSELAST
) return 0;
749 /* get the QS_* bit corresponding to a given hardware message */
750 static inline int get_hardware_msg_bit( unsigned int message
)
752 if (message
>= WM_POINTERUPDATE
&& message
<= WM_POINTERLEAVE
) return QS_POINTER
;
753 if (message
== WM_INPUT_DEVICE_CHANGE
|| message
== WM_INPUT
) return QS_RAWINPUT
;
754 if (message
== WM_MOUSEMOVE
|| message
== WM_NCMOUSEMOVE
) return QS_MOUSEMOVE
;
755 if (message
>= WM_KEYFIRST
&& message
<= WM_KEYLAST
) return QS_KEY
;
756 if (message
== WM_WINE_CLIPCURSOR
) return QS_RAWINPUT
;
757 if (message
== WM_WINE_SETCURSOR
) return QS_RAWINPUT
;
758 return QS_MOUSEBUTTON
;
761 /* get the current thread queue, creating it if needed */
762 static inline struct msg_queue
*get_current_queue(void)
764 struct msg_queue
*queue
= current
->queue
;
765 if (!queue
) queue
= create_msg_queue( current
, NULL
);
769 /* get a (pseudo-)unique id to tag hardware messages */
770 static inline unsigned int get_unique_id(void)
772 static unsigned int id
;
773 if (!++id
) id
= 1; /* avoid an id of 0 */
777 /* try to merge a WM_MOUSEMOVE message with the last in the list; return 1 if successful */
778 static int merge_mousemove( struct thread_input
*input
, const struct message
*msg
)
780 struct message
*prev
;
783 for (ptr
= list_tail( &input
->msg_list
); ptr
; ptr
= list_prev( &input
->msg_list
, ptr
))
785 prev
= LIST_ENTRY( ptr
, struct message
, entry
);
786 if (prev
->msg
!= WM_INPUT
) break;
789 if (prev
->result
) return 0;
790 if (prev
->win
&& msg
->win
&& prev
->win
!= msg
->win
) return 0;
791 if (prev
->msg
!= msg
->msg
) return 0;
792 if (prev
->type
!= msg
->type
) return 0;
793 /* now we can merge it */
794 prev
->wparam
= msg
->wparam
;
795 prev
->lparam
= msg
->lparam
;
798 prev
->time
= msg
->time
;
799 if (msg
->type
== MSG_HARDWARE
&& prev
->data
&& msg
->data
)
801 struct hardware_msg_data
*prev_data
= prev
->data
;
802 struct hardware_msg_data
*msg_data
= msg
->data
;
803 prev_data
->info
= msg_data
->info
;
806 list_add_tail( &input
->msg_list
, ptr
);
810 /* try to merge a unique message with the last in the list; return 1 if successful */
811 static int merge_unique_message( struct thread_input
*input
, unsigned int message
, const struct message
*msg
)
813 struct message
*prev
;
815 LIST_FOR_EACH_ENTRY_REV( prev
, &input
->msg_list
, struct message
, entry
)
816 if (prev
->msg
== message
) break;
817 if (&prev
->entry
== &input
->msg_list
) return 0;
819 if (prev
->result
) return 0;
820 if (prev
->win
!= msg
->win
) return 0;
821 if (prev
->type
!= msg
->type
) return 0;
823 /* now we can merge it */
824 prev
->wparam
= msg
->wparam
;
825 prev
->lparam
= msg
->lparam
;
828 prev
->time
= msg
->time
;
829 list_remove( &prev
->entry
);
830 list_add_tail( &input
->msg_list
, &prev
->entry
);
835 /* try to merge a message with the messages in the list; return 1 if successful */
836 static int merge_message( struct thread_input
*input
, const struct message
*msg
)
838 if (msg
->msg
== WM_MOUSEMOVE
) return merge_mousemove( input
, msg
);
839 if (msg
->msg
== WM_WINE_CLIPCURSOR
) return merge_unique_message( input
, WM_WINE_CLIPCURSOR
, msg
);
840 if (msg
->msg
== WM_WINE_SETCURSOR
) return merge_unique_message( input
, WM_WINE_SETCURSOR
, msg
);
844 /* free a result structure */
845 static void free_result( struct message_result
*result
)
847 if (result
->timeout
) remove_timeout_user( result
->timeout
);
848 free( result
->data
);
849 if (result
->callback_msg
) free_message( result
->callback_msg
);
850 if (result
->hardware_msg
) free_message( result
->hardware_msg
);
851 if (result
->desktop
) release_object( result
->desktop
);
855 /* remove the result from the sender list it is on */
856 static inline void remove_result_from_sender( struct message_result
*result
)
858 assert( result
->sender
);
860 list_remove( &result
->sender_entry
);
861 result
->sender
= NULL
;
862 if (!result
->receiver
) free_result( result
);
865 /* store the message result in the appropriate structure */
866 static void store_message_result( struct message_result
*res
, lparam_t result
, unsigned int error
)
868 res
->result
= result
;
873 remove_timeout_user( res
->timeout
);
877 if (res
->hardware_msg
)
879 if (!error
&& result
) /* rejected by the hook */
880 free_message( res
->hardware_msg
);
882 queue_hardware_message( res
->desktop
, res
->hardware_msg
, 0 );
884 res
->hardware_msg
= NULL
;
889 if (res
->callback_msg
)
891 /* queue the callback message in the sender queue */
892 struct callback_msg_data
*data
= res
->callback_msg
->data
;
893 data
->result
= result
;
894 list_add_tail( &res
->sender
->msg_list
[SEND_MESSAGE
], &res
->callback_msg
->entry
);
895 set_queue_bits( res
->sender
, QS_SENDMESSAGE
);
896 res
->callback_msg
= NULL
;
897 remove_result_from_sender( res
);
901 /* wake sender queue if waiting on this result */
902 if (list_head(&res
->sender
->send_result
) == &res
->sender_entry
)
903 set_queue_bits( res
->sender
, QS_SMRESULT
);
906 else if (!res
->receiver
) free_result( res
);
909 /* free a message when deleting a queue or window */
910 static void free_message( struct message
*msg
)
912 struct message_result
*result
= msg
->result
;
916 result
->receiver
= NULL
;
917 store_message_result( result
, 0, STATUS_ACCESS_DENIED
/*FIXME*/ );
923 /* remove (and free) a message from a message list */
924 static void remove_queue_message( struct msg_queue
*queue
, struct message
*msg
,
925 enum message_kind kind
)
927 list_remove( &msg
->entry
);
931 if (list_empty( &queue
->msg_list
[kind
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
934 if (list_empty( &queue
->msg_list
[kind
] ) && !queue
->quit_message
)
935 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
936 if (msg
->msg
== WM_HOTKEY
&& --queue
->hotkey_count
== 0)
937 clear_queue_bits( queue
, QS_HOTKEY
);
943 /* message timed out without getting a reply */
944 static void result_timeout( void *private )
946 struct message_result
*result
= private;
948 assert( !result
->replied
);
950 result
->timeout
= NULL
;
952 if (result
->msg
) /* not received yet */
954 struct message
*msg
= result
->msg
;
958 remove_queue_message( result
->receiver
, msg
, SEND_MESSAGE
);
959 result
->receiver
= NULL
;
961 store_message_result( result
, 0, STATUS_TIMEOUT
);
964 /* allocate and fill a message result structure */
965 static struct message_result
*alloc_message_result( struct msg_queue
*send_queue
,
966 struct msg_queue
*recv_queue
,
967 struct message
*msg
, timeout_t timeout
)
969 struct message_result
*result
= mem_alloc( sizeof(*result
) );
973 result
->sender
= send_queue
;
974 result
->receiver
= recv_queue
;
977 result
->data_size
= 0;
978 result
->timeout
= NULL
;
979 result
->hardware_msg
= NULL
;
980 result
->desktop
= NULL
;
981 result
->callback_msg
= NULL
;
983 if (msg
->type
== MSG_CALLBACK
)
985 struct message
*callback_msg
= mem_alloc( sizeof(*callback_msg
) );
992 callback_msg
->type
= MSG_CALLBACK_RESULT
;
993 callback_msg
->win
= msg
->win
;
994 callback_msg
->msg
= msg
->msg
;
995 callback_msg
->wparam
= 0;
996 callback_msg
->lparam
= 0;
997 callback_msg
->time
= get_tick_count();
998 callback_msg
->result
= NULL
;
999 /* steal the data from the original message */
1000 callback_msg
->data
= msg
->data
;
1001 callback_msg
->data_size
= msg
->data_size
;
1005 result
->callback_msg
= callback_msg
;
1006 list_add_head( &send_queue
->callback_result
, &result
->sender_entry
);
1008 else if (send_queue
)
1010 list_add_head( &send_queue
->send_result
, &result
->sender_entry
);
1011 clear_queue_bits( send_queue
, QS_SMRESULT
);
1014 if (timeout
!= TIMEOUT_INFINITE
)
1015 result
->timeout
= add_timeout_user( timeout
, result_timeout
, result
);
1020 /* receive a message, removing it from the sent queue */
1021 static void receive_message( struct msg_queue
*queue
, struct message
*msg
,
1022 struct get_message_reply
*reply
)
1024 struct message_result
*result
= msg
->result
;
1026 reply
->total
= msg
->data_size
;
1027 if (msg
->data_size
> get_reply_max_size())
1029 set_error( STATUS_BUFFER_OVERFLOW
);
1032 reply
->type
= msg
->type
;
1033 reply
->win
= msg
->win
;
1034 reply
->msg
= msg
->msg
;
1035 reply
->wparam
= msg
->wparam
;
1036 reply
->lparam
= msg
->lparam
;
1039 reply
->time
= msg
->time
;
1041 if (msg
->data
) set_reply_data_ptr( msg
->data
, msg
->data_size
);
1043 list_remove( &msg
->entry
);
1044 /* put the result on the receiver result stack */
1048 result
->recv_next
= queue
->recv_result
;
1049 queue
->recv_result
= result
;
1052 if (list_empty( &queue
->msg_list
[SEND_MESSAGE
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
1055 /* set the result of the current received message */
1056 static void reply_message( struct msg_queue
*queue
, lparam_t result
,
1057 unsigned int error
, int remove
, const void *data
, data_size_t len
)
1059 struct message_result
*res
= queue
->recv_result
;
1063 queue
->recv_result
= res
->recv_next
;
1064 res
->receiver
= NULL
;
1065 if (!res
->sender
&& !res
->hardware_msg
) /* no one waiting for it */
1073 if (len
&& (res
->data
= memdup( data
, len
))) res
->data_size
= len
;
1074 store_message_result( res
, result
, error
);
1078 static int match_window( user_handle_t win
, user_handle_t msg_win
)
1081 if (win
== -1 || win
== 1) return !msg_win
;
1082 if (msg_win
== win
) return 1;
1083 return is_child_window( win
, msg_win
);
1086 /* retrieve a posted message */
1087 static int get_posted_message( struct msg_queue
*queue
, user_handle_t win
,
1088 unsigned int first
, unsigned int last
, unsigned int flags
,
1089 struct get_message_reply
*reply
)
1091 struct message
*msg
;
1093 /* check against the filters */
1094 LIST_FOR_EACH_ENTRY( msg
, &queue
->msg_list
[POST_MESSAGE
], struct message
, entry
)
1096 if (!match_window( win
, msg
->win
)) continue;
1097 if (!check_msg_filter( msg
->msg
, first
, last
)) continue;
1098 goto found
; /* found one */
1102 /* return it to the app */
1104 reply
->total
= msg
->data_size
;
1105 if (msg
->data_size
> get_reply_max_size())
1107 set_error( STATUS_BUFFER_OVERFLOW
);
1110 reply
->type
= msg
->type
;
1111 reply
->win
= msg
->win
;
1112 reply
->msg
= msg
->msg
;
1113 reply
->wparam
= msg
->wparam
;
1114 reply
->lparam
= msg
->lparam
;
1117 reply
->time
= msg
->time
;
1119 if (flags
& PM_REMOVE
)
1123 set_reply_data_ptr( msg
->data
, msg
->data_size
);
1127 remove_queue_message( queue
, msg
, POST_MESSAGE
);
1129 else if (msg
->data
) set_reply_data( msg
->data
, msg
->data_size
);
1134 static int get_quit_message( struct msg_queue
*queue
, unsigned int flags
,
1135 struct get_message_reply
*reply
)
1137 if (queue
->quit_message
)
1140 reply
->type
= MSG_POSTED
;
1142 reply
->msg
= WM_QUIT
;
1143 reply
->wparam
= queue
->exit_code
;
1146 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
1148 if (flags
& PM_REMOVE
)
1150 queue
->quit_message
= 0;
1151 if (list_empty( &queue
->msg_list
[POST_MESSAGE
] ))
1152 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
1160 /* empty a message list and free all the messages */
1161 static void empty_msg_list( struct list
*list
)
1165 while ((ptr
= list_head( list
)) != NULL
)
1167 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
1168 list_remove( &msg
->entry
);
1169 free_message( msg
);
1173 /* cleanup all pending results when deleting a queue */
1174 static void cleanup_results( struct msg_queue
*queue
)
1178 while ((entry
= list_head( &queue
->send_result
)) != NULL
)
1180 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
1183 while ((entry
= list_head( &queue
->callback_result
)) != NULL
)
1185 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
1188 while (queue
->recv_result
)
1189 reply_message( queue
, 0, STATUS_ACCESS_DENIED
/*FIXME*/, 1, NULL
, 0 );
1192 /* check if the thread owning the queue is hung (not checking for messages) */
1193 static int is_queue_hung( struct msg_queue
*queue
)
1195 struct wait_queue_entry
*entry
;
1197 if (current_time
- queue
->last_get_msg
<= 5 * TICKS_PER_SEC
)
1198 return 0; /* less than 5 seconds since last get message -> not hung */
1200 LIST_FOR_EACH_ENTRY( entry
, &queue
->obj
.wait_queue
, struct wait_queue_entry
, entry
)
1202 if (get_wait_queue_thread(entry
)->queue
== queue
)
1203 return 0; /* thread is waiting on queue -> not hung */
1208 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
)
1210 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1212 /* a thread can only wait on its own queue */
1213 if (get_wait_queue_thread(entry
)->queue
!= queue
)
1215 set_error( STATUS_ACCESS_DENIED
);
1219 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* first on the queue */
1220 set_fd_events( queue
->fd
, POLLIN
);
1221 add_queue( obj
, entry
);
1225 static void msg_queue_remove_queue(struct object
*obj
, struct wait_queue_entry
*entry
)
1227 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1229 remove_queue( obj
, entry
);
1230 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* last on the queue is gone */
1231 set_fd_events( queue
->fd
, 0 );
1234 static void msg_queue_dump( struct object
*obj
, int verbose
)
1236 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1237 const queue_shm_t
*queue_shm
= queue
->shared
;
1238 fprintf( stderr
, "Msg queue bits=%x mask=%x\n",
1239 queue_shm
->wake_bits
, queue_shm
->wake_mask
);
1242 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
1244 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1249 if ((ret
= check_fd_events( queue
->fd
, POLLIN
)))
1250 /* stop waiting on select() if we are signaled */
1251 set_fd_events( queue
->fd
, 0 );
1252 else if (!list_empty( &obj
->wait_queue
))
1253 /* restart waiting on poll() if we are no longer signaled */
1254 set_fd_events( queue
->fd
, POLLIN
);
1256 return ret
|| is_signaled( queue
);
1259 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
)
1261 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1262 const queue_shm_t
*queue_shm
= queue
->shared
;
1264 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
1266 shared
->wake_mask
= 0;
1267 shared
->changed_mask
= 0;
1272 static void msg_queue_destroy( struct object
*obj
)
1274 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1276 struct hotkey
*hotkey
, *hotkey2
;
1277 const input_shm_t
*input_shm
= queue
->input
->shared
;
1280 cleanup_results( queue
);
1281 for (i
= 0; i
< NB_MSG_KINDS
; i
++) empty_msg_list( &queue
->msg_list
[i
] );
1283 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &queue
->input
->desktop
->hotkeys
, struct hotkey
, entry
)
1285 if (hotkey
->queue
== queue
)
1287 list_remove( &hotkey
->entry
);
1292 while ((ptr
= list_head( &queue
->pending_timers
)))
1294 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1295 list_remove( &timer
->entry
);
1298 while ((ptr
= list_head( &queue
->expired_timers
)))
1300 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1301 list_remove( &timer
->entry
);
1304 if (queue
->timeout
) remove_timeout_user( queue
->timeout
);
1305 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
1307 shared
->cursor_count
-= queue
->cursor_count
;
1310 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
1311 release_object( queue
->input
);
1312 if (queue
->hooks
) release_object( queue
->hooks
);
1313 if (queue
->fd
) release_object( queue
->fd
);
1314 if (queue
->shared
) free_shared_object( queue
->shared
);
1317 static void msg_queue_poll_event( struct fd
*fd
, int event
)
1319 struct msg_queue
*queue
= get_fd_user( fd
);
1320 assert( queue
->obj
.ops
== &msg_queue_ops
);
1322 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
1323 else set_fd_events( queue
->fd
, 0 );
1324 wake_up( &queue
->obj
, 0 );
1327 static void thread_input_dump( struct object
*obj
, int verbose
)
1329 struct thread_input
*input
= (struct thread_input
*)obj
;
1330 const input_shm_t
*input_shm
= input
->shared
;
1331 fprintf( stderr
, "Thread input focus=%08x capture=%08x active=%08x\n",
1332 input_shm
->focus
, input_shm
->capture
, input_shm
->active
);
1335 static void thread_input_destroy( struct object
*obj
)
1337 struct thread_input
*input
= (struct thread_input
*)obj
;
1338 struct desktop
*desktop
;
1340 empty_msg_list( &input
->msg_list
);
1341 if ((desktop
= input
->desktop
))
1343 if (desktop
->foreground_input
== input
) desktop
->foreground_input
= NULL
;
1344 release_object( desktop
);
1346 if (input
->shared
) free_shared_object( input
->shared
);
1349 /* fix the thread input data when a window is destroyed */
1350 static inline void thread_input_cleanup_window( struct msg_queue
*queue
, user_handle_t window
)
1352 struct thread_input
*input
= queue
->input
;
1353 const input_shm_t
*input_shm
= input
->shared
;
1355 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
1357 if (window
== shared
->focus
) shared
->focus
= 0;
1358 if (window
== shared
->capture
) shared
->capture
= 0;
1359 if (window
== shared
->active
) shared
->active
= 0;
1360 if (window
== shared
->menu_owner
) shared
->menu_owner
= 0;
1361 if (window
== shared
->move_size
) shared
->move_size
= 0;
1362 if (window
== shared
->caret
) set_caret_window( input
, shared
, 0 );
1368 /* check if the specified window can be set in the input data of a given queue */
1369 static int check_queue_input_window( struct msg_queue
*queue
, user_handle_t window
)
1371 struct thread
*thread
;
1374 if (!window
) return 1; /* we can always clear the data */
1376 if ((thread
= get_window_thread( window
)))
1378 ret
= (queue
->input
== thread
->queue
->input
);
1379 if (!ret
) set_error( STATUS_ACCESS_DENIED
);
1380 release_object( thread
);
1382 else set_error( STATUS_INVALID_HANDLE
);
1387 /* check if the thread queue is idle and set the process idle event if so */
1388 void check_thread_queue_idle( struct thread
*thread
)
1390 struct msg_queue
*queue
= thread
->queue
;
1391 const queue_shm_t
*queue_shm
= queue
->shared
;
1393 if ((queue_shm
->wake_mask
& QS_SMRESULT
)) return;
1394 if (thread
->process
->idle_event
) set_event( thread
->process
->idle_event
);
1397 /* make sure the specified thread has a queue */
1398 int init_thread_queue( struct thread
*thread
)
1400 if (thread
->queue
) return 1;
1401 return (create_msg_queue( thread
, NULL
) != NULL
);
1404 /* attach two thread input data structures */
1405 int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
)
1407 struct desktop
*desktop
;
1408 struct thread_input
*input
, *old_input
;
1411 if (!thread_to
->queue
&& !(thread_to
->queue
= create_msg_queue( thread_to
, NULL
))) return 0;
1412 if (!(desktop
= get_thread_desktop( thread_from
, 0 ))) return 0;
1413 input
= (struct thread_input
*)grab_object( thread_to
->queue
->input
);
1414 if (input
->desktop
!= desktop
)
1416 set_error( STATUS_ACCESS_DENIED
);
1417 release_object( input
);
1418 release_object( desktop
);
1421 release_object( desktop
);
1423 if (thread_from
->queue
)
1425 const input_shm_t
*old_input_shm
, *input_shm
;
1426 old_input
= thread_from
->queue
->input
;
1427 old_input_shm
= old_input
->shared
;
1428 input_shm
= input
->shared
;
1430 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
1432 if (!shared
->active
) shared
->active
= old_input_shm
->active
;
1433 if (!shared
->focus
) shared
->focus
= old_input_shm
->focus
;
1438 ret
= assign_thread_input( thread_from
, input
);
1439 if (ret
) memset( input
->keystate
, 0, sizeof(input
->keystate
) );
1440 release_object( input
);
1444 /* detach two thread input data structures */
1445 void detach_thread_input( struct thread
*thread_from
)
1447 struct thread
*thread
;
1448 struct thread_input
*input
, *old_input
= thread_from
->queue
->input
;
1450 if ((input
= create_thread_input( thread_from
)))
1452 const input_shm_t
*old_input_shm
, *input_shm
;
1453 old_input_shm
= old_input
->shared
;
1454 input_shm
= input
->shared
;
1456 if (old_input_shm
->focus
&& (thread
= get_window_thread( old_input_shm
->focus
)))
1458 if (thread
== thread_from
)
1460 SHARED_WRITE_BEGIN( old_input_shm
, input_shm_t
)
1462 input_shm_t
*old_shared
= shared
;
1463 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
1465 shared
->focus
= old_shared
->focus
;
1466 old_shared
->focus
= 0;
1472 release_object( thread
);
1474 if (old_input_shm
->active
&& (thread
= get_window_thread( old_input_shm
->active
)))
1476 if (thread
== thread_from
)
1478 SHARED_WRITE_BEGIN( old_input_shm
, input_shm_t
)
1480 input_shm_t
*old_shared
= shared
;
1481 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
1483 shared
->active
= old_shared
->active
;
1484 old_shared
->active
= 0;
1490 release_object( thread
);
1492 assign_thread_input( thread_from
, input
);
1493 release_object( input
);
1498 /* set the next timer to expire */
1499 static void set_next_timer( struct msg_queue
*queue
)
1505 remove_timeout_user( queue
->timeout
);
1506 queue
->timeout
= NULL
;
1508 if ((ptr
= list_head( &queue
->pending_timers
)))
1510 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1511 queue
->timeout
= add_timeout_user( abstime_to_timeout(timer
->when
), timer_callback
, queue
);
1513 /* set/clear QS_TIMER bit */
1514 if (list_empty( &queue
->expired_timers
))
1515 clear_queue_bits( queue
, QS_TIMER
);
1517 set_queue_bits( queue
, QS_TIMER
);
1520 /* find a timer from its window and id */
1521 static struct timer
*find_timer( struct msg_queue
*queue
, user_handle_t win
,
1522 unsigned int msg
, lparam_t id
)
1526 /* we need to search both lists */
1528 LIST_FOR_EACH( ptr
, &queue
->pending_timers
)
1530 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1531 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1533 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1535 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1536 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1541 /* callback for the next timer expiration */
1542 static void timer_callback( void *private )
1544 struct msg_queue
*queue
= private;
1547 queue
->timeout
= NULL
;
1548 /* move on to the next timer */
1549 ptr
= list_head( &queue
->pending_timers
);
1551 list_add_tail( &queue
->expired_timers
, ptr
);
1552 set_next_timer( queue
);
1555 /* link a timer at its rightful place in the queue list */
1556 static void link_timer( struct msg_queue
*queue
, struct timer
*timer
)
1560 for (ptr
= queue
->pending_timers
.next
; ptr
!= &queue
->pending_timers
; ptr
= ptr
->next
)
1562 struct timer
*t
= LIST_ENTRY( ptr
, struct timer
, entry
);
1563 if (t
->when
<= timer
->when
) break;
1565 list_add_before( ptr
, &timer
->entry
);
1568 /* remove a timer from the queue timer list and free it */
1569 static void free_timer( struct msg_queue
*queue
, struct timer
*timer
)
1571 list_remove( &timer
->entry
);
1573 set_next_timer( queue
);
1576 /* restart an expired timer */
1577 static void restart_timer( struct msg_queue
*queue
, struct timer
*timer
)
1579 list_remove( &timer
->entry
);
1580 while (-timer
->when
<= monotonic_time
) timer
->when
-= (timeout_t
)timer
->rate
* 10000;
1581 link_timer( queue
, timer
);
1582 set_next_timer( queue
);
1585 /* find an expired timer matching the filtering parameters */
1586 static struct timer
*find_expired_timer( struct msg_queue
*queue
, user_handle_t win
,
1587 unsigned int get_first
, unsigned int get_last
,
1592 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1594 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1595 if (win
&& timer
->win
!= win
) continue;
1596 if (check_msg_filter( timer
->msg
, get_first
, get_last
))
1598 if (remove
) restart_timer( queue
, timer
);
1606 static struct timer
*set_timer( struct msg_queue
*queue
, unsigned int rate
)
1608 struct timer
*timer
= mem_alloc( sizeof(*timer
) );
1611 timer
->rate
= max( rate
, 1 );
1612 timer
->when
= -monotonic_time
- (timeout_t
)timer
->rate
* 10000;
1613 link_timer( queue
, timer
);
1614 /* check if we replaced the next timer */
1615 if (list_head( &queue
->pending_timers
) == &timer
->entry
) set_next_timer( queue
);
1620 /* change the input key state for a given key */
1621 static void set_input_key_state( volatile unsigned char *keystate
, unsigned char key
, unsigned char down
)
1625 if (!(keystate
[key
] & 0x80)) keystate
[key
] ^= 0x01;
1626 keystate
[key
] |= down
;
1628 else keystate
[key
] &= ~0x80;
1631 /* update the input key state for a keyboard message */
1632 static void update_key_state( volatile unsigned char *keystate
, unsigned int msg
,
1633 lparam_t wparam
, int desktop
)
1635 unsigned char key
, down
= 0, down_val
= desktop
? 0xc0 : 0x80;
1639 case WM_LBUTTONDOWN
:
1643 set_input_key_state( keystate
, VK_LBUTTON
, down
);
1645 case WM_MBUTTONDOWN
:
1649 set_input_key_state( keystate
, VK_MBUTTON
, down
);
1651 case WM_RBUTTONDOWN
:
1655 set_input_key_state( keystate
, VK_RBUTTON
, down
);
1657 case WM_XBUTTONDOWN
:
1661 if (wparam
>> 16 == XBUTTON1
) set_input_key_state( keystate
, VK_XBUTTON1
, down
);
1662 else if (wparam
>> 16 == XBUTTON2
) set_input_key_state( keystate
, VK_XBUTTON2
, down
);
1670 key
= (unsigned char)wparam
;
1671 set_input_key_state( keystate
, key
, down
);
1676 down
= (keystate
[VK_LCONTROL
] | keystate
[VK_RCONTROL
]) & 0x80;
1677 set_input_key_state( keystate
, VK_CONTROL
, down
);
1681 down
= (keystate
[VK_LMENU
] | keystate
[VK_RMENU
]) & 0x80;
1682 set_input_key_state( keystate
, VK_MENU
, down
);
1686 down
= (keystate
[VK_LSHIFT
] | keystate
[VK_RSHIFT
]) & 0x80;
1687 set_input_key_state( keystate
, VK_SHIFT
, down
);
1694 static void update_thread_input_key_state( struct thread_input
*input
, unsigned int msg
, lparam_t wparam
)
1696 update_key_state( input
->keystate
, msg
, wparam
, 0 );
1699 static void update_desktop_key_state( struct desktop
*desktop
, unsigned int msg
, lparam_t wparam
)
1701 SHARED_WRITE_BEGIN( desktop
->shared
, desktop_shm_t
)
1703 update_key_state( shared
->keystate
, msg
, wparam
, 1 );
1708 /* release the hardware message currently being processed by the given thread */
1709 static void release_hardware_message( struct msg_queue
*queue
, unsigned int hw_id
)
1711 struct thread_input
*input
= queue
->input
;
1712 struct message
*msg
, *other
;
1715 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
1717 if (msg
->unique_id
== hw_id
) break;
1719 if (&msg
->entry
== &input
->msg_list
) return; /* not found */
1721 /* clear the queue bit for that message */
1722 clr_bit
= get_hardware_msg_bit( msg
->msg
);
1723 LIST_FOR_EACH_ENTRY( other
, &input
->msg_list
, struct message
, entry
)
1725 if (other
!= msg
&& get_hardware_msg_bit( other
->msg
) == clr_bit
)
1731 if (clr_bit
) clear_queue_bits( queue
, clr_bit
);
1733 update_thread_input_key_state( input
, msg
->msg
, msg
->wparam
);
1734 list_remove( &msg
->entry
);
1735 free_message( msg
);
1738 static int queue_hotkey_message( struct desktop
*desktop
, struct message
*msg
)
1740 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
1741 struct hotkey
*hotkey
;
1742 unsigned int modifiers
= 0;
1744 if (msg
->msg
!= WM_KEYDOWN
&& msg
->msg
!= WM_SYSKEYDOWN
) return 0;
1746 if (desktop_shm
->keystate
[VK_MENU
] & 0x80) modifiers
|= MOD_ALT
;
1747 if (desktop_shm
->keystate
[VK_CONTROL
] & 0x80) modifiers
|= MOD_CONTROL
;
1748 if (desktop_shm
->keystate
[VK_SHIFT
] & 0x80) modifiers
|= MOD_SHIFT
;
1749 if ((desktop_shm
->keystate
[VK_LWIN
] & 0x80) || (desktop_shm
->keystate
[VK_RWIN
] & 0x80)) modifiers
|= MOD_WIN
;
1751 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
1753 if (hotkey
->vkey
!= msg
->wparam
) continue;
1754 if ((hotkey
->flags
& (MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
)) == modifiers
) goto found
;
1760 msg
->type
= MSG_POSTED
;
1761 msg
->win
= hotkey
->win
;
1762 msg
->msg
= WM_HOTKEY
;
1763 msg
->wparam
= hotkey
->id
;
1764 msg
->lparam
= ((hotkey
->vkey
& 0xffff) << 16) | modifiers
;
1770 list_add_tail( &hotkey
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
1771 set_queue_bits( hotkey
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
|QS_HOTKEY
);
1772 hotkey
->queue
->hotkey_count
++;
1776 /* find the window that should receive a given hardware message */
1777 static user_handle_t
find_hardware_message_window( struct desktop
*desktop
, struct thread_input
*input
,
1778 struct message
*msg
, unsigned int *msg_code
,
1779 struct thread
**thread
)
1781 const input_shm_t
*input_shm
= input
? input
->shared
: NULL
;
1782 user_handle_t win
= 0;
1785 *msg_code
= msg
->msg
;
1786 switch (get_hardware_msg_bit( msg
->msg
))
1790 if (!(win
= msg
->win
) && input
) win
= input_shm
->focus
;
1793 if (input
&& !(win
= input_shm
->focus
))
1795 win
= input_shm
->active
;
1796 if (*msg_code
< WM_SYSKEYDOWN
) *msg_code
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
1800 case QS_MOUSEBUTTON
:
1801 if (!input
|| !(win
= input_shm
->capture
))
1803 if (is_window_visible( msg
->win
) && !is_window_transparent( msg
->win
)) win
= msg
->win
;
1804 else win
= shallow_window_from_point( desktop
, msg
->x
, msg
->y
);
1805 *thread
= window_thread_from_point( win
, msg
->x
, msg
->y
);
1811 *thread
= get_window_thread( win
);
1815 static struct rawinput_device
*find_rawinput_device( struct process
*process
, unsigned int usage
)
1817 struct rawinput_device
*device
, *end
;
1819 for (device
= process
->rawinput_devices
, end
= device
+ process
->rawinput_device_count
; device
!= end
; device
++)
1821 if (device
->usage
!= usage
) continue;
1828 static void prepend_cursor_history( int x
, int y
, unsigned int time
, lparam_t info
)
1830 cursor_pos_t
*pos
= &cursor_history
[--cursor_history_latest
% ARRAY_SIZE(cursor_history
)];
1838 static unsigned int get_rawinput_device_flags( struct process
*process
, struct message
*msg
)
1840 switch (get_hardware_msg_bit( msg
->msg
))
1843 return process
->rawinput_kbd
? process
->rawinput_kbd
->flags
: 0;
1845 case QS_MOUSEBUTTON
:
1846 return process
->rawinput_mouse
? process
->rawinput_mouse
->flags
: 0;
1851 /* queue a hardware message into a given thread input */
1852 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
)
1854 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
1856 struct thread
*thread
;
1857 struct thread_input
*input
;
1858 struct hardware_msg_data
*msg_data
= msg
->data
;
1859 unsigned int msg_code
;
1862 update_desktop_key_state( desktop
, msg
->msg
, msg
->wparam
);
1863 last_input_time
= get_tick_count();
1864 if (msg
->msg
!= WM_MOUSEMOVE
) always_queue
= 1;
1866 switch (get_hardware_msg_bit( msg
->msg
))
1869 if (queue_hotkey_message( desktop
, msg
)) return;
1870 if (desktop_shm
->keystate
[VK_MENU
] & 0x80) msg
->lparam
|= KF_ALTDOWN
<< 16;
1871 if (msg
->wparam
== VK_SHIFT
|| msg
->wparam
== VK_LSHIFT
|| msg
->wparam
== VK_RSHIFT
)
1872 msg
->lparam
&= ~(KF_EXTENDED
<< 16);
1875 prepend_cursor_history( msg
->x
, msg
->y
, msg
->time
, msg_data
->info
);
1877 case QS_MOUSEBUTTON
:
1878 if (update_desktop_cursor_pos( desktop
, msg
->win
, msg
->x
, msg
->y
)) always_queue
= 1;
1879 if (desktop_shm
->keystate
[VK_LBUTTON
] & 0x80) msg
->wparam
|= MK_LBUTTON
;
1880 if (desktop_shm
->keystate
[VK_MBUTTON
] & 0x80) msg
->wparam
|= MK_MBUTTON
;
1881 if (desktop_shm
->keystate
[VK_RBUTTON
] & 0x80) msg
->wparam
|= MK_RBUTTON
;
1882 if (desktop_shm
->keystate
[VK_SHIFT
] & 0x80) msg
->wparam
|= MK_SHIFT
;
1883 if (desktop_shm
->keystate
[VK_CONTROL
] & 0x80) msg
->wparam
|= MK_CONTROL
;
1884 if (desktop_shm
->keystate
[VK_XBUTTON1
] & 0x80) msg
->wparam
|= MK_XBUTTON1
;
1885 if (desktop_shm
->keystate
[VK_XBUTTON2
] & 0x80) msg
->wparam
|= MK_XBUTTON2
;
1888 msg
->x
= desktop_shm
->cursor
.x
;
1889 msg
->y
= desktop_shm
->cursor
.y
;
1891 if (msg
->win
&& (thread
= get_window_thread( msg
->win
)))
1893 input
= thread
->queue
->input
;
1894 release_object( thread
);
1896 else input
= desktop
->foreground_input
;
1898 win
= find_hardware_message_window( desktop
, input
, msg
, &msg_code
, &thread
);
1899 flags
= thread
? get_rawinput_device_flags( thread
->process
, msg
) : 0;
1900 if (!win
|| !thread
|| (flags
& RIDEV_NOLEGACY
))
1902 if (input
&& !(flags
& RIDEV_NOLEGACY
)) update_thread_input_key_state( input
, msg
->msg
, msg
->wparam
);
1903 free_message( msg
);
1907 input
= thread
->queue
->input
;
1909 if (win
!= msg
->win
) always_queue
= 1;
1910 if (!always_queue
|| merge_message( input
, msg
)) free_message( msg
);
1913 msg
->unique_id
= 0; /* will be set once we return it to the app */
1914 list_add_tail( &input
->msg_list
, &msg
->entry
);
1915 set_queue_bits( thread
->queue
, get_hardware_msg_bit( msg
->msg
) );
1917 release_object( thread
);
1920 /* send the low-level hook message for a given hardware message */
1921 static int send_hook_ll_message( struct desktop
*desktop
, struct message
*hardware_msg
,
1922 int id
, lparam_t lparam
, struct msg_queue
*sender
)
1924 struct thread
*hook_thread
;
1925 struct msg_queue
*queue
;
1926 struct message
*msg
;
1927 timeout_t timeout
= 2000 * -10000; /* FIXME: load from registry */
1929 if (!(hook_thread
= get_first_global_hook( desktop
, id
))) return 0;
1930 if (!(queue
= hook_thread
->queue
)) return 0;
1931 if (is_queue_hung( queue
)) return 0;
1933 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1935 msg
->type
= MSG_HOOK_LL
;
1938 msg
->wparam
= hardware_msg
->msg
;
1939 msg
->lparam
= lparam
;
1940 msg
->x
= hardware_msg
->x
;
1941 msg
->y
= hardware_msg
->y
;
1942 msg
->time
= hardware_msg
->time
;
1943 msg
->data_size
= hardware_msg
->data_size
;
1946 if (!(msg
->data
= memdup( hardware_msg
->data
, hardware_msg
->data_size
)) ||
1947 !(msg
->result
= alloc_message_result( sender
, queue
, msg
, timeout
)))
1949 free_message( msg
);
1952 msg
->result
->hardware_msg
= hardware_msg
;
1953 msg
->result
->desktop
= (struct desktop
*)grab_object( desktop
);
1954 list_add_tail( &queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
1955 set_queue_bits( queue
, QS_SENDMESSAGE
);
1959 /* get the foreground thread for a desktop and a window receiving input */
1960 static struct thread
*get_foreground_thread( struct desktop
*desktop
, user_handle_t window
)
1962 /* if desktop has no foreground process, assume the receiving window is */
1963 if (desktop
->foreground_input
)
1965 const input_shm_t
*input_shm
= desktop
->foreground_input
->shared
;
1966 return get_window_thread( input_shm
->focus
);
1968 if (window
) return get_window_thread( window
);
1972 /* user32 reserves 1 & 2 for winemouse and winekeyboard,
1973 * keep this in sync with user_private.h */
1974 #define WINE_MOUSE_HANDLE 1
1975 #define WINE_KEYBOARD_HANDLE 2
1977 static void rawmouse_init( struct rawinput
*header
, RAWMOUSE
*rawmouse
, int x
, int y
, unsigned int flags
,
1978 unsigned int buttons
, lparam_t info
)
1980 static const unsigned int button_flags
[] =
1982 0, /* MOUSEEVENTF_MOVE */
1983 RI_MOUSE_LEFT_BUTTON_DOWN
, /* MOUSEEVENTF_LEFTDOWN */
1984 RI_MOUSE_LEFT_BUTTON_UP
, /* MOUSEEVENTF_LEFTUP */
1985 RI_MOUSE_RIGHT_BUTTON_DOWN
, /* MOUSEEVENTF_RIGHTDOWN */
1986 RI_MOUSE_RIGHT_BUTTON_UP
, /* MOUSEEVENTF_RIGHTUP */
1987 RI_MOUSE_MIDDLE_BUTTON_DOWN
, /* MOUSEEVENTF_MIDDLEDOWN */
1988 RI_MOUSE_MIDDLE_BUTTON_UP
, /* MOUSEEVENTF_MIDDLEUP */
1992 header
->type
= RIM_TYPEMOUSE
;
1993 header
->device
= WINE_MOUSE_HANDLE
;
1995 header
->usage
= MAKELONG(HID_USAGE_GENERIC_MOUSE
, HID_USAGE_PAGE_GENERIC
);
1997 rawmouse
->usFlags
= MOUSE_MOVE_RELATIVE
;
1998 rawmouse
->usButtonFlags
= 0;
1999 rawmouse
->usButtonData
= 0;
2000 for (i
= 1; i
< ARRAY_SIZE(button_flags
); ++i
)
2002 if (flags
& (1 << i
)) rawmouse
->usButtonFlags
|= button_flags
[i
];
2004 if (flags
& MOUSEEVENTF_WHEEL
)
2006 rawmouse
->usButtonFlags
|= RI_MOUSE_WHEEL
;
2007 rawmouse
->usButtonData
= buttons
;
2009 if (flags
& MOUSEEVENTF_HWHEEL
)
2011 rawmouse
->usButtonFlags
|= RI_MOUSE_HORIZONTAL_WHEEL
;
2012 rawmouse
->usButtonData
= buttons
;
2014 if (flags
& MOUSEEVENTF_XDOWN
)
2016 if (buttons
== XBUTTON1
) rawmouse
->usButtonFlags
|= RI_MOUSE_BUTTON_4_DOWN
;
2017 if (buttons
== XBUTTON2
) rawmouse
->usButtonFlags
|= RI_MOUSE_BUTTON_5_DOWN
;
2019 if (flags
& MOUSEEVENTF_XUP
)
2021 if (buttons
== XBUTTON1
) rawmouse
->usButtonFlags
|= RI_MOUSE_BUTTON_4_UP
;
2022 if (buttons
== XBUTTON2
) rawmouse
->usButtonFlags
|= RI_MOUSE_BUTTON_5_UP
;
2025 rawmouse
->ulRawButtons
= 0;
2026 rawmouse
->lLastX
= x
;
2027 rawmouse
->lLastY
= y
;
2028 rawmouse
->ulExtraInformation
= info
;
2031 static void rawkeyboard_init( struct rawinput
*rawinput
, RAWKEYBOARD
*keyboard
, unsigned short scan
, unsigned short vkey
,
2032 unsigned int flags
, unsigned int message
, lparam_t info
)
2034 rawinput
->type
= RIM_TYPEKEYBOARD
;
2035 rawinput
->device
= WINE_KEYBOARD_HANDLE
;
2036 rawinput
->wparam
= 0;
2037 rawinput
->usage
= MAKELONG(HID_USAGE_GENERIC_KEYBOARD
, HID_USAGE_PAGE_GENERIC
);
2039 keyboard
->MakeCode
= scan
;
2040 keyboard
->Flags
= (flags
& KEYEVENTF_KEYUP
) ? RI_KEY_BREAK
: RI_KEY_MAKE
;
2041 if (flags
& KEYEVENTF_EXTENDEDKEY
) keyboard
->Flags
|= RI_KEY_E0
;
2042 keyboard
->Reserved
= 0;
2048 keyboard
->VKey
= VK_SHIFT
;
2049 keyboard
->Flags
&= ~RI_KEY_E0
;
2054 keyboard
->VKey
= VK_CONTROL
;
2058 keyboard
->VKey
= VK_MENU
;
2062 keyboard
->VKey
= vkey
;
2066 keyboard
->Message
= message
;
2067 keyboard
->ExtraInformation
= info
;
2070 static void rawhid_init( struct rawinput
*rawinput
, RAWHID
*hid
, const hw_input_t
*input
)
2072 rawinput
->type
= RIM_TYPEHID
;
2073 rawinput
->device
= input
->hw
.hid
.device
;
2074 rawinput
->wparam
= input
->hw
.wparam
;
2075 rawinput
->usage
= input
->hw
.hid
.usage
;
2077 hid
->dwCount
= input
->hw
.hid
.count
;
2078 hid
->dwSizeHid
= input
->hw
.hid
.length
;
2081 struct rawinput_message
2083 struct thread
*foreground
;
2084 struct hw_msg_source source
;
2086 unsigned int message
;
2088 struct rawinput rawinput
;
2091 RAWKEYBOARD keyboard
;
2095 const void *hid_report
;
2098 /* check if process is supposed to receive a WM_INPUT message and eventually queue it */
2099 static void queue_rawinput_message( struct desktop
*desktop
, struct process
*process
, void *args
)
2101 const struct rawinput_message
*raw_msg
= args
;
2102 const struct rawinput_device
*device
;
2103 struct hardware_msg_data
*msg_data
;
2104 struct message
*msg
;
2105 data_size_t report_size
= 0, data_size
= 0;
2106 int wparam
= RIM_INPUT
;
2109 if (raw_msg
->rawinput
.type
== RIM_TYPEMOUSE
)
2111 device
= process
->rawinput_mouse
;
2112 data_size
= sizeof(raw_msg
->data
.mouse
);
2113 info
= raw_msg
->data
.mouse
.ulExtraInformation
;
2115 else if (raw_msg
->rawinput
.type
== RIM_TYPEKEYBOARD
)
2117 device
= process
->rawinput_kbd
;
2118 data_size
= sizeof(raw_msg
->data
.keyboard
);
2119 info
= raw_msg
->data
.keyboard
.ExtraInformation
;
2123 device
= find_rawinput_device( process
, raw_msg
->rawinput
.usage
);
2124 data_size
= offsetof(RAWHID
, bRawData
[0]);
2125 report_size
= raw_msg
->data
.hid
.dwCount
* raw_msg
->data
.hid
.dwSizeHid
;
2127 if (!device
) return;
2129 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& !(device
->flags
& RIDEV_DEVNOTIFY
)) return;
2130 if (process
!= raw_msg
->foreground
->process
)
2132 if (raw_msg
->message
== WM_INPUT
&& !(device
->flags
& RIDEV_INPUTSINK
)) return;
2133 wparam
= RIM_INPUTSINK
;
2136 if (!(msg
= alloc_hardware_message( info
, raw_msg
->source
, raw_msg
->time
, data_size
+ report_size
))) return;
2137 msg
->win
= device
->target
;
2138 msg
->msg
= raw_msg
->message
;
2139 msg
->wparam
= wparam
;
2142 msg_data
= msg
->data
;
2143 msg_data
->flags
= raw_msg
->flags
;
2144 msg_data
->rawinput
= raw_msg
->rawinput
;
2145 memcpy( msg_data
+ 1, &raw_msg
->data
, data_size
);
2146 if (report_size
) memcpy( (char *)(msg_data
+ 1) + data_size
, raw_msg
->hid_report
, report_size
);
2148 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& raw_msg
->rawinput
.type
== RIM_TYPEHID
)
2150 msg
->wparam
= raw_msg
->rawinput
.wparam
;
2151 msg
->lparam
= raw_msg
->rawinput
.device
;
2154 queue_hardware_message( desktop
, msg
, 1 );
2157 static void dispatch_rawinput_message( struct desktop
*desktop
, struct rawinput_message
*raw_msg
)
2159 struct process
*process
;
2161 LIST_FOR_EACH_ENTRY( process
, &rawinput_processes
, struct process
, rawinput_entry
)
2162 queue_rawinput_message( desktop
, process
, raw_msg
);
2165 /* queue a hardware message for a mouse event */
2166 static int queue_mouse_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
2167 unsigned int origin
, struct msg_queue
*sender
)
2169 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
2170 struct hardware_msg_data
*msg_data
;
2171 struct rawinput_message raw_msg
;
2172 struct message
*msg
;
2173 struct thread
*foreground
;
2174 unsigned int i
, time
= get_tick_count(), flags
;
2175 struct hw_msg_source source
= { IMDT_MOUSE
, origin
};
2176 lparam_t wparam
= input
->mouse
.data
<< 16;
2179 static const unsigned int messages
[] =
2181 WM_MOUSEMOVE
, /* 0x0001 = MOUSEEVENTF_MOVE */
2182 WM_LBUTTONDOWN
, /* 0x0002 = MOUSEEVENTF_LEFTDOWN */
2183 WM_LBUTTONUP
, /* 0x0004 = MOUSEEVENTF_LEFTUP */
2184 WM_RBUTTONDOWN
, /* 0x0008 = MOUSEEVENTF_RIGHTDOWN */
2185 WM_RBUTTONUP
, /* 0x0010 = MOUSEEVENTF_RIGHTUP */
2186 WM_MBUTTONDOWN
, /* 0x0020 = MOUSEEVENTF_MIDDLEDOWN */
2187 WM_MBUTTONUP
, /* 0x0040 = MOUSEEVENTF_MIDDLEUP */
2188 WM_XBUTTONDOWN
, /* 0x0080 = MOUSEEVENTF_XDOWN */
2189 WM_XBUTTONUP
, /* 0x0100 = MOUSEEVENTF_XUP */
2190 0, /* 0x0200 = unused */
2191 0, /* 0x0400 = unused */
2192 WM_MOUSEWHEEL
, /* 0x0800 = MOUSEEVENTF_WHEEL */
2193 WM_MOUSEHWHEEL
/* 0x1000 = MOUSEEVENTF_HWHEEL */
2196 SHARED_WRITE_BEGIN( desktop_shm
, desktop_shm_t
)
2198 shared
->cursor
.last_change
= time
;
2202 flags
= input
->mouse
.flags
;
2203 time
= input
->mouse
.time
;
2204 if (!time
) time
= desktop_shm
->cursor
.last_change
;
2206 if (flags
& MOUSEEVENTF_MOVE
)
2208 if (flags
& MOUSEEVENTF_ABSOLUTE
)
2212 if (flags
& ~(MOUSEEVENTF_MOVE
| MOUSEEVENTF_ABSOLUTE
) &&
2213 x
== desktop_shm
->cursor
.x
&& y
== desktop_shm
->cursor
.y
)
2214 flags
&= ~MOUSEEVENTF_MOVE
;
2218 x
= desktop_shm
->cursor
.x
+ input
->mouse
.x
;
2219 y
= desktop_shm
->cursor
.y
+ input
->mouse
.y
;
2224 x
= desktop_shm
->cursor
.x
;
2225 y
= desktop_shm
->cursor
.y
;
2228 if ((foreground
= get_foreground_thread( desktop
, win
)))
2230 memset( &raw_msg
, 0, sizeof(raw_msg
) );
2231 raw_msg
.foreground
= foreground
;
2232 raw_msg
.source
= source
;
2233 raw_msg
.time
= time
;
2234 raw_msg
.message
= WM_INPUT
;
2235 raw_msg
.flags
= flags
;
2236 rawmouse_init( &raw_msg
.rawinput
, &raw_msg
.data
.mouse
, x
- desktop_shm
->cursor
.x
, y
- desktop_shm
->cursor
.y
,
2237 raw_msg
.flags
, input
->mouse
.data
, input
->mouse
.info
);
2239 dispatch_rawinput_message( desktop
, &raw_msg
);
2240 release_object( foreground
);
2243 for (i
= 0; i
< ARRAY_SIZE( messages
); i
++)
2245 if (!messages
[i
]) continue;
2246 if (!(flags
& (1 << i
))) continue;
2249 if (!(msg
= alloc_hardware_message( input
->mouse
.info
, source
, time
, 0 ))) return 0;
2250 msg_data
= msg
->data
;
2252 msg
->win
= get_user_full_handle( win
);
2253 msg
->msg
= messages
[i
];
2254 msg
->wparam
= wparam
;
2258 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLMHF_INJECTED
;
2260 /* specify a sender only when sending the last message */
2261 if (!(flags
& ((1 << ARRAY_SIZE( messages
)) - 1)))
2263 if (!(wait
= send_hook_ll_message( desktop
, msg
, WH_MOUSE_LL
, wparam
, sender
)))
2264 queue_hardware_message( desktop
, msg
, 0 );
2266 else if (!send_hook_ll_message( desktop
, msg
, WH_MOUSE_LL
, wparam
, NULL
))
2267 queue_hardware_message( desktop
, msg
, 0 );
2272 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
2273 unsigned int origin
, struct msg_queue
*sender
, int repeat
);
2275 static void key_repeat_timeout( void *private )
2277 struct desktop
*desktop
= private;
2279 desktop
->key_repeat
.timeout
= NULL
;
2280 queue_keyboard_message( desktop
, desktop
->key_repeat
.win
, &desktop
->key_repeat
.input
, IMO_HARDWARE
, NULL
, 1 );
2283 static void stop_key_repeat( struct desktop
*desktop
)
2285 if (desktop
->key_repeat
.timeout
) remove_timeout_user( desktop
->key_repeat
.timeout
);
2286 desktop
->key_repeat
.timeout
= NULL
;
2287 desktop
->key_repeat
.win
= 0;
2288 memset( &desktop
->key_repeat
.input
, 0, sizeof(desktop
->key_repeat
.input
) );
2291 /* queue a hardware message for a keyboard event */
2292 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
2293 unsigned int origin
, struct msg_queue
*sender
, int repeat
)
2295 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
2296 struct hw_msg_source source
= { IMDT_KEYBOARD
, origin
};
2297 struct hardware_msg_data
*msg_data
;
2298 struct message
*msg
;
2299 struct thread
*foreground
;
2300 unsigned char vkey
= input
->kbd
.vkey
, hook_vkey
= vkey
;
2301 unsigned int message_code
, time
;
2302 lparam_t lparam
= input
->kbd
.scan
<< 16;
2303 unsigned int flags
= 0;
2304 BOOL unicode
= input
->kbd
.flags
& KEYEVENTF_UNICODE
;
2307 if (!(time
= input
->kbd
.time
)) time
= get_tick_count();
2312 if (unicode
) vkey
= hook_vkey
= VK_PACKET
;
2317 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RMENU
: VK_LMENU
;
2318 if ((input
->kbd
.vkey
& 0xff) == VK_MENU
) hook_vkey
= vkey
;
2323 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RCONTROL
: VK_LCONTROL
;
2324 if ((input
->kbd
.vkey
& 0xff) == VK_CONTROL
) hook_vkey
= vkey
;
2329 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RSHIFT
: VK_LSHIFT
;
2330 if ((input
->kbd
.vkey
& 0xff) == VK_SHIFT
) hook_vkey
= vkey
;
2334 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_KEYUP
: WM_KEYDOWN
;
2339 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
)
2341 /* send WM_SYSKEYUP if Alt still pressed and no other key in between */
2342 if (!(desktop_shm
->keystate
[VK_MENU
] & 0x80) || !desktop
->alt_pressed
) break;
2343 message_code
= WM_SYSKEYUP
;
2344 desktop
->alt_pressed
= 0;
2348 /* send WM_SYSKEYDOWN for Alt except with Ctrl */
2349 if (desktop_shm
->keystate
[VK_CONTROL
] & 0x80) break;
2350 message_code
= WM_SYSKEYDOWN
;
2351 desktop
->alt_pressed
= 1;
2357 /* send WM_SYSKEYUP on release if Alt still pressed */
2358 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
)) break;
2359 if (!(desktop_shm
->keystate
[VK_MENU
] & 0x80)) break;
2360 message_code
= WM_SYSKEYUP
;
2361 desktop
->alt_pressed
= 0;
2365 /* send WM_SYSKEY for Alt-anykey and for F10 */
2366 if (desktop_shm
->keystate
[VK_CONTROL
] & 0x80) break;
2367 if (!(desktop_shm
->keystate
[VK_MENU
] & 0x80)) break;
2370 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_SYSKEYUP
: WM_SYSKEYDOWN
;
2371 desktop
->alt_pressed
= 0;
2375 /* send numpad vkeys if NumLock is active */
2376 if ((input
->kbd
.vkey
& KBDNUMPAD
) && (desktop
->keystate
[VK_NUMLOCK
] & 0x01) &&
2377 !(desktop
->keystate
[VK_SHIFT
] & 0x80))
2381 case VK_INSERT
: hook_vkey
= vkey
= VK_NUMPAD0
; break;
2382 case VK_END
: hook_vkey
= vkey
= VK_NUMPAD1
; break;
2383 case VK_DOWN
: hook_vkey
= vkey
= VK_NUMPAD2
; break;
2384 case VK_NEXT
: hook_vkey
= vkey
= VK_NUMPAD3
; break;
2385 case VK_LEFT
: hook_vkey
= vkey
= VK_NUMPAD4
; break;
2386 case VK_CLEAR
: hook_vkey
= vkey
= VK_NUMPAD5
; break;
2387 case VK_RIGHT
: hook_vkey
= vkey
= VK_NUMPAD6
; break;
2388 case VK_HOME
: hook_vkey
= vkey
= VK_NUMPAD7
; break;
2389 case VK_UP
: hook_vkey
= vkey
= VK_NUMPAD8
; break;
2390 case VK_PRIOR
: hook_vkey
= vkey
= VK_NUMPAD9
; break;
2391 case VK_DELETE
: hook_vkey
= vkey
= VK_DECIMAL
; break;
2396 if (origin
== IMO_HARDWARE
)
2398 /* if the repeat key is released, stop auto-repeating */
2399 if (((input
->kbd
.flags
& KEYEVENTF_KEYUP
) &&
2400 (input
->kbd
.scan
== desktop
->key_repeat
.input
.kbd
.scan
)))
2402 stop_key_repeat( desktop
);
2404 /* if a key is down, start or continue auto-repeating */
2405 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
) && desktop
->key_repeat
.enable
)
2407 timeout_t timeout
= repeat
? desktop
->key_repeat
.period
: desktop
->key_repeat
.delay
;
2408 desktop
->key_repeat
.input
= *input
;
2409 desktop
->key_repeat
.input
.kbd
.time
= 0;
2410 desktop
->key_repeat
.win
= win
;
2411 if (desktop
->key_repeat
.timeout
) remove_timeout_user( desktop
->key_repeat
.timeout
);
2412 desktop
->key_repeat
.timeout
= add_timeout_user( timeout
, key_repeat_timeout
, desktop
);
2416 if (!unicode
&& (foreground
= get_foreground_thread( desktop
, win
)))
2418 struct rawinput_message raw_msg
= {0};
2419 raw_msg
.foreground
= foreground
;
2420 raw_msg
.source
= source
;
2421 raw_msg
.time
= time
;
2422 raw_msg
.message
= WM_INPUT
;
2423 raw_msg
.flags
= input
->kbd
.flags
;
2424 rawkeyboard_init( &raw_msg
.rawinput
, &raw_msg
.data
.keyboard
, input
->kbd
.scan
, vkey
,
2425 raw_msg
.flags
, message_code
, input
->kbd
.info
);
2427 dispatch_rawinput_message( desktop
, &raw_msg
);
2428 release_object( foreground
);
2431 if (!(msg
= alloc_hardware_message( input
->kbd
.info
, source
, time
, 0 ))) return 0;
2432 msg_data
= msg
->data
;
2434 msg
->win
= get_user_full_handle( win
);
2435 msg
->msg
= message_code
;
2436 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLKHF_INJECTED
;
2438 if (!unicode
|| input
->kbd
.vkey
)
2440 if (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) flags
|= KF_EXTENDED
;
2441 /* FIXME: set KF_DLGMODE and KF_MENUMODE when needed */
2442 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
) flags
|= KF_REPEAT
| KF_UP
;
2443 else if (desktop_shm
->keystate
[vkey
] & 0x80) flags
|= KF_REPEAT
;
2445 lparam
&= 0xff0000; /* mask off scan code high bits for non-unicode input */
2446 msg_data
->flags
|= (flags
& (KF_EXTENDED
| KF_ALTDOWN
| KF_UP
)) >> 8;
2450 msg
->lparam
= (flags
<< 16) | lparam
| 1u /* repeat count */;
2452 if (!(wait
= send_hook_ll_message( desktop
, msg
, WH_KEYBOARD_LL
, lparam
| hook_vkey
, sender
)))
2453 queue_hardware_message( desktop
, msg
, 1 );
2461 struct timeout_user
*timeout
;
2462 struct desktop
*desktop
;
2468 static void queue_pointer_message( struct pointer
*pointer
, int repeated
);
2470 static void pointer_message_timeout( void *private )
2472 struct pointer
*pointer
= private;
2473 queue_pointer_message( pointer
, 1 );
2476 static void queue_pointer_message( struct pointer
*pointer
, int repeated
)
2478 static const unsigned int messages
[][2] =
2480 {WM_POINTERUPDATE
, 0},
2481 {WM_POINTERENTER
, WM_POINTERDOWN
},
2482 {WM_POINTERUP
, WM_POINTERLEAVE
},
2484 struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMDT_TOUCH
};
2485 struct desktop
*desktop
= pointer
->desktop
;
2486 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
2487 const hw_input_t
*input
= &pointer
->input
;
2488 unsigned int i
, wparam
= input
->hw
.wparam
;
2489 timeout_t time
= get_tick_count();
2490 user_handle_t win
= pointer
->win
;
2491 rectangle_t top_rect
;
2492 struct message
*msg
;
2495 get_top_window_rectangle( desktop
, &top_rect
);
2496 x
= LOWORD(input
->hw
.lparam
) * (top_rect
.right
- top_rect
.left
) / 65535;
2497 y
= HIWORD(input
->hw
.lparam
) * (top_rect
.bottom
- top_rect
.top
) / 65535;
2499 if (pointer
->primary
) wparam
|= POINTER_MESSAGE_FLAG_PRIMARY
<< 16;
2501 for (i
= 0; i
< 2 && messages
[input
->hw
.msg
- WM_POINTERUPDATE
][i
]; i
++)
2503 if (!(msg
= alloc_hardware_message( 0, source
, time
, 0 ))) return;
2505 msg
->win
= get_user_full_handle( win
);
2506 msg
->msg
= messages
[input
->hw
.msg
- WM_POINTERUPDATE
][i
];
2507 msg
->wparam
= wparam
;
2508 msg
->lparam
= MAKELONG(x
, y
);
2509 msg
->x
= desktop_shm
->cursor
.x
;
2510 msg
->y
= desktop_shm
->cursor
.y
;
2512 queue_hardware_message( desktop
, msg
, 1 );
2515 if (!repeated
&& pointer
->primary
&& (msg
= alloc_hardware_message( 0xff515700, source
, time
, 0 )))
2517 unsigned int message
= WM_MOUSEMOVE
;
2518 if (input
->hw
.msg
== WM_POINTERDOWN
) message
= WM_LBUTTONDOWN
;
2519 else if (input
->hw
.msg
== WM_POINTERUP
) message
= WM_LBUTTONUP
;
2521 msg
->win
= get_user_full_handle( win
);
2528 if (!send_hook_ll_message( desktop
, msg
, WH_MOUSE_LL
, 0, NULL
))
2529 queue_hardware_message( desktop
, msg
, 0 );
2532 if (input
->hw
.msg
!= WM_POINTERUP
)
2534 pointer
->input
.hw
.msg
= WM_POINTERUPDATE
;
2535 pointer
->input
.hw
.wparam
&= ~(POINTER_MESSAGE_FLAG_NEW
<< 16);
2536 pointer
->timeout
= add_timeout_user( -160000, pointer_message_timeout
, pointer
);
2540 list_remove( &pointer
->entry
);
2545 static struct pointer
*find_pointer_from_id( struct desktop
*desktop
, unsigned int id
)
2547 struct pointer
*pointer
;
2549 LIST_FOR_EACH_ENTRY( pointer
, &desktop
->pointers
, struct pointer
, entry
)
2550 if (LOWORD(pointer
->input
.hw
.wparam
) == id
) return pointer
;
2552 pointer
= mem_alloc( sizeof(struct pointer
) );
2553 pointer
->timeout
= NULL
;
2554 pointer
->desktop
= desktop
;
2555 pointer
->primary
= list_empty( &desktop
->pointers
);
2556 list_add_tail( &desktop
->pointers
, &pointer
->entry
);
2561 /* queue a hardware message for a custom type of event */
2562 static void queue_custom_hardware_message( struct desktop
*desktop
, user_handle_t win
,
2563 unsigned int origin
, const hw_input_t
*input
)
2565 const desktop_shm_t
*desktop_shm
= desktop
->shared
;
2566 struct hw_msg_source source
= { IMDT_UNAVAILABLE
, origin
};
2567 struct thread
*foreground
;
2568 struct pointer
*pointer
;
2569 struct message
*msg
;
2571 switch (input
->hw
.msg
)
2574 case WM_INPUT_DEVICE_CHANGE
:
2575 if (input
->hw
.hid
.length
* input
->hw
.hid
.count
!= get_req_data_size())
2576 set_error( STATUS_INVALID_PARAMETER
);
2577 else if ((foreground
= get_foreground_thread( desktop
, win
)))
2579 struct rawinput_message raw_msg
= {0};
2580 raw_msg
.foreground
= foreground
;
2581 raw_msg
.source
= source
;
2582 raw_msg
.time
= get_tick_count();
2583 raw_msg
.message
= input
->hw
.msg
;
2584 raw_msg
.hid_report
= get_req_data();
2585 rawhid_init( &raw_msg
.rawinput
, &raw_msg
.data
.hid
, input
);
2587 dispatch_rawinput_message( desktop
, &raw_msg
);
2588 release_object( foreground
);
2593 if (input
->hw
.msg
== WM_POINTERDOWN
|| input
->hw
.msg
== WM_POINTERUP
|| input
->hw
.msg
== WM_POINTERUPDATE
)
2595 pointer
= find_pointer_from_id( desktop
, LOWORD(input
->hw
.wparam
) );
2596 if (pointer
->timeout
) remove_timeout_user( pointer
->timeout
);
2597 pointer
->input
= *input
;
2600 queue_pointer_message( pointer
, 0 );
2604 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
2606 msg
->win
= get_user_full_handle( win
);
2607 msg
->msg
= input
->hw
.msg
;
2608 msg
->wparam
= input
->hw
.wparam
;
2609 msg
->lparam
= input
->hw
.lparam
;
2610 msg
->x
= desktop_shm
->cursor
.x
;
2611 msg
->y
= desktop_shm
->cursor
.y
;
2613 queue_hardware_message( desktop
, msg
, 1 );
2616 /* check message filter for a hardware message */
2617 static int check_hw_message_filter( user_handle_t win
, unsigned int msg_code
,
2618 user_handle_t filter_win
, unsigned int first
, unsigned int last
)
2620 switch (get_hardware_msg_bit( msg_code
))
2623 /* we can only test the window for a keyboard message since the
2624 * dest window for a mouse message depends on hittest */
2625 if (filter_win
&& win
!= filter_win
&& !is_child_window( filter_win
, win
))
2627 /* the message code is final for a keyboard message, we can simply check it */
2628 return check_msg_filter( msg_code
, first
, last
);
2631 case QS_MOUSEBUTTON
:
2632 /* we need to check all possible values that the message can have in the end */
2633 if (check_msg_filter( msg_code
, first
, last
)) return 1;
2634 if (msg_code
== WM_MOUSEWHEEL
) return 0; /* no other possible value for this one */
2636 /* all other messages can become non-client messages */
2637 if (check_msg_filter( msg_code
+ (WM_NCMOUSEFIRST
- WM_MOUSEFIRST
), first
, last
)) return 1;
2639 /* clicks can become double-clicks or non-client double-clicks */
2640 if (msg_code
== WM_LBUTTONDOWN
|| msg_code
== WM_MBUTTONDOWN
||
2641 msg_code
== WM_RBUTTONDOWN
|| msg_code
== WM_XBUTTONDOWN
)
2643 if (check_msg_filter( msg_code
+ (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2644 if (check_msg_filter( msg_code
+ (WM_NCLBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2649 return check_msg_filter( msg_code
, first
, last
);
2653 /* is this message an internal driver notification message */
2654 static inline BOOL
is_internal_hardware_message( unsigned int message
)
2656 return (message
>= WM_WINE_FIRST_DRIVER_MSG
&& message
<= WM_WINE_LAST_DRIVER_MSG
);
2659 /* find a hardware message for the given queue */
2660 static int get_hardware_message( struct thread
*thread
, unsigned int hw_id
, user_handle_t filter_win
,
2661 unsigned int first
, unsigned int last
, unsigned int flags
,
2662 struct get_message_reply
*reply
)
2664 struct thread_input
*input
= thread
->queue
->input
;
2665 struct thread
*win_thread
;
2668 int clear_bits
, got_one
= 0;
2669 unsigned int msg_code
;
2671 ptr
= list_head( &input
->msg_list
);
2676 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2677 if (msg
->unique_id
== hw_id
) break;
2678 ptr
= list_next( &input
->msg_list
, ptr
);
2680 if (!ptr
) ptr
= list_head( &input
->msg_list
);
2681 else ptr
= list_next( &input
->msg_list
, ptr
); /* start from the next one */
2684 if (ptr
== list_head( &input
->msg_list
))
2685 clear_bits
= QS_INPUT
;
2687 clear_bits
= 0; /* don't clear bits if we don't go through the whole list */
2691 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2692 struct hardware_msg_data
*data
= msg
->data
;
2694 ptr
= list_next( &input
->msg_list
, ptr
);
2695 win
= find_hardware_message_window( input
->desktop
, input
, msg
, &msg_code
, &win_thread
);
2696 if (!win
|| !win_thread
)
2698 /* no window at all, remove it */
2699 update_thread_input_key_state( input
, msg
->msg
, msg
->wparam
);
2700 list_remove( &msg
->entry
);
2701 free_message( msg
);
2704 if (win_thread
!= thread
)
2706 if (win_thread
->queue
->input
== input
)
2708 /* wake the other thread */
2709 set_queue_bits( win_thread
->queue
, get_hardware_msg_bit( msg
->msg
) );
2714 /* for another thread input, drop it */
2715 update_thread_input_key_state( input
, msg
->msg
, msg
->wparam
);
2716 list_remove( &msg
->entry
);
2717 free_message( msg
);
2719 release_object( win_thread
);
2722 release_object( win_thread
);
2724 /* if we already got a message for another thread, or if it doesn't
2725 * match the filter we skip it */
2726 if (got_one
|| !check_hw_message_filter( win
, msg_code
, filter_win
, first
, last
))
2728 clear_bits
&= ~get_hardware_msg_bit( msg
->msg
);
2732 reply
->total
= msg
->data_size
;
2733 if (msg
->data_size
> get_reply_max_size())
2735 set_error( STATUS_BUFFER_OVERFLOW
);
2739 /* now we can return it */
2740 if (!msg
->unique_id
) msg
->unique_id
= get_unique_id();
2741 reply
->type
= MSG_HARDWARE
;
2743 reply
->msg
= msg_code
;
2744 reply
->wparam
= msg
->wparam
;
2745 reply
->lparam
= msg
->lparam
;
2748 reply
->time
= msg
->time
;
2750 data
->hw_id
= msg
->unique_id
;
2751 set_reply_data( msg
->data
, msg
->data_size
);
2752 if ((get_hardware_msg_bit( msg
->msg
) & (QS_RAWINPUT
| QS_POINTER
) && (flags
& PM_REMOVE
)) ||
2753 is_internal_hardware_message( msg
->msg
))
2754 release_hardware_message( current
->queue
, data
->hw_id
);
2757 /* nothing found, clear the hardware queue bits */
2758 clear_queue_bits( thread
->queue
, clear_bits
);
2762 /* increment (or decrement if 'incr' is negative) the queue paint count */
2763 void inc_queue_paint_count( struct thread
*thread
, int incr
)
2765 struct msg_queue
*queue
= thread
->queue
;
2769 if ((queue
->paint_count
+= incr
) < 0) queue
->paint_count
= 0;
2771 if (queue
->paint_count
)
2772 set_queue_bits( queue
, QS_PAINT
);
2774 clear_queue_bits( queue
, QS_PAINT
);
2778 /* remove all messages and timers belonging to a certain window */
2779 void queue_cleanup_window( struct thread
*thread
, user_handle_t win
)
2781 struct msg_queue
*queue
= thread
->queue
;
2789 ptr
= list_head( &queue
->pending_timers
);
2792 struct list
*next
= list_next( &queue
->pending_timers
, ptr
);
2793 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2794 if (timer
->win
== win
) free_timer( queue
, timer
);
2797 ptr
= list_head( &queue
->expired_timers
);
2800 struct list
*next
= list_next( &queue
->expired_timers
, ptr
);
2801 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2802 if (timer
->win
== win
) free_timer( queue
, timer
);
2806 /* remove messages */
2807 for (i
= 0; i
< NB_MSG_KINDS
; i
++)
2809 struct list
*ptr
, *next
;
2811 LIST_FOR_EACH_SAFE( ptr
, next
, &queue
->msg_list
[i
] )
2813 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2814 if (msg
->win
== win
)
2816 if (msg
->msg
== WM_QUIT
&& !queue
->quit_message
)
2818 queue
->quit_message
= 1;
2819 queue
->exit_code
= msg
->wparam
;
2821 remove_queue_message( queue
, msg
, i
);
2826 thread_input_cleanup_window( queue
, win
);
2829 /* post a message to a window */
2830 void post_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2832 struct message
*msg
;
2833 struct thread
*thread
= get_window_thread( win
);
2835 if (!thread
) return;
2837 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2839 msg
->type
= MSG_POSTED
;
2840 msg
->win
= get_user_full_handle( win
);
2842 msg
->wparam
= wparam
;
2843 msg
->lparam
= lparam
;
2848 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2850 list_add_tail( &thread
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2851 set_queue_bits( thread
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2852 if (message
== WM_HOTKEY
)
2854 set_queue_bits( thread
->queue
, QS_HOTKEY
);
2855 thread
->queue
->hotkey_count
++;
2858 release_object( thread
);
2861 /* send a notify message to a window */
2862 void send_notify_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2864 struct message
*msg
;
2865 struct thread
*thread
= get_window_thread( win
);
2867 if (!thread
) return;
2869 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2871 msg
->type
= MSG_NOTIFY
;
2872 msg
->win
= get_user_full_handle( win
);
2874 msg
->wparam
= wparam
;
2875 msg
->lparam
= lparam
;
2880 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2882 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2883 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2885 release_object( thread
);
2888 /* post a win event */
2889 void post_win_event( struct thread
*thread
, unsigned int event
,
2890 user_handle_t win
, unsigned int object_id
,
2891 unsigned int child_id
, client_ptr_t hook_proc
,
2892 const WCHAR
*module
, data_size_t module_size
,
2895 struct message
*msg
;
2897 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2899 struct winevent_msg_data
*data
;
2901 msg
->type
= MSG_WINEVENT
;
2902 msg
->win
= get_user_full_handle( win
);
2904 msg
->wparam
= object_id
;
2905 msg
->lparam
= child_id
;
2906 msg
->time
= get_tick_count();
2909 if ((data
= malloc( sizeof(*data
) + module_size
)))
2912 data
->tid
= get_thread_id( current
);
2913 data
->hook_proc
= hook_proc
;
2914 memcpy( data
+ 1, module
, module_size
);
2917 msg
->data_size
= sizeof(*data
) + module_size
;
2919 if (debug_level
> 1)
2920 fprintf( stderr
, "post_win_event: tid %04x event %04x win %08x object_id %d child_id %d\n",
2921 get_thread_id(thread
), event
, win
, object_id
, child_id
);
2922 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2923 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2930 void free_pointers( struct desktop
*desktop
)
2932 struct pointer
*pointer
, *next
;
2934 LIST_FOR_EACH_ENTRY_SAFE( pointer
, next
, &desktop
->pointers
, struct pointer
, entry
)
2936 list_remove( &pointer
->entry
);
2937 if (pointer
->timeout
) remove_timeout_user( pointer
->timeout
);
2942 /* free all hotkeys on a desktop, optionally filtering by window */
2943 void free_hotkeys( struct desktop
*desktop
, user_handle_t window
)
2945 struct hotkey
*hotkey
, *hotkey2
;
2947 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &desktop
->hotkeys
, struct hotkey
, entry
)
2949 if (!window
|| hotkey
->win
== window
)
2951 list_remove( &hotkey
->entry
);
2957 /* retrieve the desktop which should receive some hardware input event */
2958 static struct desktop
*get_hardware_input_desktop( user_handle_t win
)
2960 struct winstation
*winstation
;
2961 struct desktop
*desktop
;
2962 struct thread
*thread
;
2964 if (!win
|| !(thread
= get_window_thread( win
)))
2966 if (!(winstation
= get_visible_winstation())) return NULL
;
2967 return get_input_desktop( winstation
);
2971 /* if window is specified, use its desktop to make it the input desktop */
2972 desktop
= (struct desktop
*)grab_object( thread
->queue
->input
->desktop
);
2973 release_object( thread
);
2979 /* enable or disable rawinput for a given process */
2980 void set_rawinput_process( struct process
*process
, int enable
)
2982 list_remove( &process
->rawinput_entry
); /* remove it first, it might already be in the list */
2983 if (!process
->rawinput_device_count
|| !enable
) list_init( &process
->rawinput_entry
);
2984 else list_add_tail( &rawinput_processes
, &process
->rawinput_entry
);
2988 /* check if the thread owning the window is hung */
2989 DECL_HANDLER(is_window_hung
)
2991 struct thread
*thread
;
2993 thread
= get_window_thread( req
->win
);
2996 reply
->is_hung
= is_queue_hung( thread
->queue
);
2997 release_object( thread
);
2999 else reply
->is_hung
= 0;
3003 /* get a handle for the current thread message queue */
3004 DECL_HANDLER(get_msg_queue_handle
)
3006 struct msg_queue
*queue
= get_current_queue();
3009 if (queue
) reply
->handle
= alloc_handle( current
->process
, queue
, SYNCHRONIZE
, 0 );
3013 /* get the message queue of the current thread */
3014 DECL_HANDLER(get_msg_queue
)
3016 struct msg_queue
*queue
= get_current_queue();
3017 if (queue
) reply
->locator
= get_shared_object_locator( queue
->shared
);
3021 /* set the file descriptor associated to the current thread queue */
3022 DECL_HANDLER(set_queue_fd
)
3024 struct msg_queue
*queue
= get_current_queue();
3028 if (queue
->fd
) /* fd can only be set once */
3030 set_error( STATUS_ACCESS_DENIED
);
3033 if (!(file
= get_file_obj( current
->process
, req
->handle
, SYNCHRONIZE
))) return;
3035 if ((unix_fd
= get_file_unix_fd( file
)) != -1)
3037 if ((unix_fd
= dup( unix_fd
)) != -1)
3038 queue
->fd
= create_anonymous_fd( &msg_queue_fd_ops
, unix_fd
, &queue
->obj
, 0 );
3042 release_object( file
);
3046 /* set the current message queue wakeup mask */
3047 DECL_HANDLER(set_queue_mask
)
3049 struct msg_queue
*queue
= get_current_queue();
3053 const queue_shm_t
*queue_shm
= queue
->shared
;
3055 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
3057 shared
->wake_mask
= req
->wake_mask
;
3058 shared
->changed_mask
= req
->changed_mask
;
3062 reply
->wake_bits
= queue_shm
->wake_bits
;
3063 reply
->changed_bits
= queue_shm
->changed_bits
;
3065 if (is_signaled( queue
))
3067 /* if skip wait is set, do what would have been done in the subsequent wait */
3070 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
3072 shared
->wake_mask
= 0;
3073 shared
->changed_mask
= 0;
3077 else wake_up( &queue
->obj
, 0 );
3083 /* get the current message queue status */
3084 DECL_HANDLER(get_queue_status
)
3086 struct msg_queue
*queue
= current
->queue
;
3089 const queue_shm_t
*queue_shm
= queue
->shared
;
3091 reply
->wake_bits
= queue_shm
->wake_bits
;
3092 reply
->changed_bits
= queue_shm
->changed_bits
;
3094 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
3096 shared
->changed_bits
&= ~req
->clear_bits
;
3100 else reply
->wake_bits
= reply
->changed_bits
= 0;
3104 /* send a message to a thread queue */
3105 DECL_HANDLER(send_message
)
3107 struct message
*msg
;
3108 struct msg_queue
*send_queue
= get_current_queue();
3109 struct msg_queue
*recv_queue
= NULL
;
3110 struct thread
*thread
= NULL
;
3112 if (!(thread
= get_thread_from_id( req
->id
))) return;
3114 if (!(recv_queue
= thread
->queue
))
3116 set_error( STATUS_INVALID_PARAMETER
);
3117 release_object( thread
);
3120 if ((req
->flags
& SEND_MSG_ABORT_IF_HUNG
) && is_queue_hung(recv_queue
))
3122 set_error( STATUS_TIMEOUT
);
3123 release_object( thread
);
3127 if ((msg
= mem_alloc( sizeof(*msg
) )))
3129 msg
->type
= req
->type
;
3130 msg
->win
= get_user_full_handle( req
->win
);
3131 msg
->msg
= req
->msg
;
3132 msg
->wparam
= req
->wparam
;
3133 msg
->lparam
= req
->lparam
;
3136 msg
->data_size
= get_req_data_size();
3138 get_message_defaults( recv_queue
, &msg
->x
, &msg
->y
, &msg
->time
);
3140 if (msg
->data_size
&& !(msg
->data
= memdup( get_req_data(), msg
->data_size
)))
3143 release_object( thread
);
3149 case MSG_OTHER_PROCESS
:
3153 if (!(msg
->result
= alloc_message_result( send_queue
, recv_queue
, msg
, req
->timeout
)))
3155 free_message( msg
);
3160 list_add_tail( &recv_queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
3161 set_queue_bits( recv_queue
, QS_SENDMESSAGE
);
3164 list_add_tail( &recv_queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
3165 set_queue_bits( recv_queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
3166 if (msg
->msg
== WM_HOTKEY
)
3168 set_queue_bits( recv_queue
, QS_HOTKEY
);
3169 recv_queue
->hotkey_count
++;
3172 case MSG_HARDWARE
: /* should use send_hardware_message instead */
3173 case MSG_CALLBACK_RESULT
: /* cannot send this one */
3174 case MSG_HOOK_LL
: /* generated internally */
3176 set_error( STATUS_INVALID_PARAMETER
);
3181 release_object( thread
);
3184 /* send a hardware message to a thread queue */
3185 DECL_HANDLER(send_hardware_message
)
3187 struct desktop
*desktop
;
3188 unsigned int origin
= (req
->flags
& SEND_HWMSG_INJECTED
? IMO_INJECTED
: IMO_HARDWARE
);
3189 struct msg_queue
*sender
= req
->flags
& SEND_HWMSG_INJECTED
? get_current_queue() : NULL
;
3190 const desktop_shm_t
*desktop_shm
;
3193 if (!(desktop
= get_hardware_input_desktop( req
->win
))) return;
3194 if ((origin
== IMO_INJECTED
&& desktop
!= current
->queue
->input
->desktop
) ||
3195 !set_input_desktop( desktop
->winstation
, desktop
))
3197 release_object( desktop
);
3198 set_error( STATUS_ACCESS_DENIED
);
3201 desktop_shm
= desktop
->shared
;
3203 reply
->prev_x
= desktop_shm
->cursor
.x
;
3204 reply
->prev_y
= desktop_shm
->cursor
.y
;
3206 switch (req
->input
.type
)
3209 wait
= queue_mouse_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
3211 case INPUT_KEYBOARD
:
3212 wait
= queue_keyboard_message( desktop
, req
->win
, &req
->input
, origin
, sender
, 0 );
3214 case INPUT_HARDWARE
:
3215 queue_custom_hardware_message( desktop
, req
->win
, origin
, &req
->input
);
3218 set_error( STATUS_INVALID_PARAMETER
);
3221 reply
->wait
= sender
? wait
: 0;
3222 reply
->new_x
= desktop_shm
->cursor
.x
;
3223 reply
->new_y
= desktop_shm
->cursor
.y
;
3224 release_object( desktop
);
3227 /* post a quit message to the current queue */
3228 DECL_HANDLER(post_quit_message
)
3230 struct msg_queue
*queue
= get_current_queue();
3235 queue
->quit_message
= 1;
3236 queue
->exit_code
= req
->exit_code
;
3237 set_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
3240 /* get a message from the current queue */
3241 DECL_HANDLER(get_message
)
3243 struct timer
*timer
;
3245 struct msg_queue
*queue
= get_current_queue();
3246 user_handle_t get_win
= get_user_full_handle( req
->get_win
);
3247 const queue_shm_t
*queue_shm
;
3248 unsigned int filter
;
3250 if (get_win
&& get_win
!= 1 && get_win
!= -1 && !get_user_object( get_win
, USER_WINDOW
))
3252 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
3257 queue_shm
= queue
->shared
;
3259 /* check for any hardware internal message */
3260 if (get_hardware_message( current
, req
->hw_id
, get_win
, WM_WINE_FIRST_DRIVER_MSG
,
3261 WM_WINE_LAST_DRIVER_MSG
, req
->flags
, reply
))
3264 if (req
->internal
) /* check for internal messages only, leave queue flags unchanged */
3266 set_error( STATUS_PENDING
);
3270 queue
->last_get_msg
= current_time
;
3272 /* first check for sent messages */
3273 if ((ptr
= list_head( &queue
->msg_list
[SEND_MESSAGE
] )))
3275 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
3276 receive_message( queue
, msg
, reply
);
3280 /* use the same logic as in win32u/message.c peek_message */
3281 if (!(filter
= req
->flags
>> 16)) filter
= QS_ALLINPUT
;
3283 /* clear changed bits so we can wait on them if we don't find a message */
3284 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
3286 if (filter
& QS_POSTMESSAGE
)
3288 shared
->changed_bits
&= ~(QS_POSTMESSAGE
| QS_HOTKEY
| QS_TIMER
);
3289 if (req
->get_first
== 0 && req
->get_last
== ~0U) shared
->changed_bits
&= ~QS_ALLPOSTMESSAGE
;
3291 if (filter
& QS_INPUT
) shared
->changed_bits
&= ~QS_INPUT
;
3292 if (filter
& QS_PAINT
) shared
->changed_bits
&= ~QS_PAINT
;
3296 /* then check for posted messages */
3297 if ((filter
& QS_POSTMESSAGE
) &&
3298 get_posted_message( queue
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
3301 if ((filter
& QS_HOTKEY
) && queue
->hotkey_count
&&
3302 req
->get_first
<= WM_HOTKEY
&& req
->get_last
>= WM_HOTKEY
&&
3303 get_posted_message( queue
, get_win
, WM_HOTKEY
, WM_HOTKEY
, req
->flags
, reply
))
3306 /* only check for quit messages if not posted messages pending */
3307 if ((filter
& QS_POSTMESSAGE
) && get_quit_message( queue
, req
->flags
, reply
))
3310 /* then check for any raw hardware message */
3311 if ((filter
& QS_INPUT
) &&
3312 filter_contains_hw_range( req
->get_first
, req
->get_last
) &&
3313 get_hardware_message( current
, req
->hw_id
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
3316 /* now check for WM_PAINT */
3317 if ((filter
& QS_PAINT
) &&
3318 queue
->paint_count
&&
3319 check_msg_filter( WM_PAINT
, req
->get_first
, req
->get_last
) &&
3320 (reply
->win
= find_window_to_repaint( get_win
, current
)))
3322 reply
->type
= MSG_POSTED
;
3323 reply
->msg
= WM_PAINT
;
3326 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
3330 /* now check for timer */
3331 if ((filter
& QS_TIMER
) &&
3332 (timer
= find_expired_timer( queue
, get_win
, req
->get_first
,
3333 req
->get_last
, (req
->flags
& PM_REMOVE
) )))
3335 reply
->type
= MSG_POSTED
;
3336 reply
->win
= timer
->win
;
3337 reply
->msg
= timer
->msg
;
3338 reply
->wparam
= timer
->id
;
3339 reply
->lparam
= timer
->lparam
;
3340 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
3341 if (!(req
->flags
& PM_NOYIELD
) && current
->process
->idle_event
)
3342 set_event( current
->process
->idle_event
);
3346 if (get_win
== -1 && current
->process
->idle_event
) set_event( current
->process
->idle_event
);
3348 SHARED_WRITE_BEGIN( queue_shm
, queue_shm_t
)
3350 shared
->wake_mask
= req
->wake_mask
;
3351 shared
->changed_mask
= req
->changed_mask
;
3355 set_error( STATUS_PENDING
); /* FIXME */
3359 /* reply to a sent message */
3360 DECL_HANDLER(reply_message
)
3362 if (!current
->queue
) set_error( STATUS_ACCESS_DENIED
);
3363 else if (current
->queue
->recv_result
)
3364 reply_message( current
->queue
, req
->result
, 0, req
->remove
,
3365 get_req_data(), get_req_data_size() );
3369 /* accept the current hardware message */
3370 DECL_HANDLER(accept_hardware_message
)
3373 release_hardware_message( current
->queue
, req
->hw_id
);
3375 set_error( STATUS_ACCESS_DENIED
);
3379 /* retrieve the reply for the last message sent */
3380 DECL_HANDLER(get_message_reply
)
3382 struct message_result
*result
;
3384 struct msg_queue
*queue
= current
->queue
;
3388 set_error( STATUS_PENDING
);
3391 if (!(entry
= list_head( &queue
->send_result
))) return; /* no reply ready */
3393 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
3394 if (result
->replied
|| req
->cancel
)
3396 if (result
->replied
)
3398 reply
->result
= result
->result
;
3399 set_error( result
->error
);
3402 data_size_t data_len
= min( result
->data_size
, get_reply_max_size() );
3403 set_reply_data_ptr( result
->data
, data_len
);
3404 result
->data
= NULL
;
3405 result
->data_size
= 0;
3408 remove_result_from_sender( result
);
3410 entry
= list_head( &queue
->send_result
);
3411 if (!entry
) clear_queue_bits( queue
, QS_SMRESULT
);
3414 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
3415 if (result
->replied
) set_queue_bits( queue
, QS_SMRESULT
);
3416 else clear_queue_bits( queue
, QS_SMRESULT
);
3420 else set_error( STATUS_ACCESS_DENIED
);
3424 /* set a window timer */
3425 DECL_HANDLER(set_win_timer
)
3427 struct timer
*timer
;
3428 struct msg_queue
*queue
;
3429 struct thread
*thread
= NULL
;
3430 user_handle_t win
= 0;
3431 lparam_t id
= req
->id
;
3435 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
3437 set_error( STATUS_INVALID_HANDLE
);
3440 if (thread
->process
!= current
->process
)
3442 release_object( thread
);
3443 set_error( STATUS_ACCESS_DENIED
);
3446 queue
= thread
->queue
;
3447 /* remove it if it existed already */
3448 if ((timer
= find_timer( queue
, win
, req
->msg
, id
))) free_timer( queue
, timer
);
3452 queue
= get_current_queue();
3453 /* look for a timer with this id */
3454 if (id
&& (timer
= find_timer( queue
, 0, req
->msg
, id
)))
3456 /* free and reuse id */
3457 free_timer( queue
, timer
);
3461 lparam_t end_id
= queue
->next_timer_id
;
3463 /* find a free id for it */
3466 id
= queue
->next_timer_id
;
3467 if (--queue
->next_timer_id
<= 0x100) queue
->next_timer_id
= 0x7fff;
3469 if (!find_timer( queue
, 0, req
->msg
, id
)) break;
3470 if (queue
->next_timer_id
== end_id
)
3472 set_win32_error( ERROR_NO_MORE_USER_HANDLES
);
3479 if ((timer
= set_timer( queue
, req
->rate
)))
3482 timer
->msg
= req
->msg
;
3484 timer
->lparam
= req
->lparam
;
3487 if (thread
) release_object( thread
);
3490 /* kill a window timer */
3491 DECL_HANDLER(kill_win_timer
)
3493 struct timer
*timer
;
3494 struct thread
*thread
;
3495 user_handle_t win
= 0;
3499 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
3501 set_error( STATUS_INVALID_HANDLE
);
3504 if (thread
->process
!= current
->process
)
3506 release_object( thread
);
3507 set_error( STATUS_ACCESS_DENIED
);
3511 else thread
= (struct thread
*)grab_object( current
);
3513 if (thread
->queue
&& (timer
= find_timer( thread
->queue
, win
, req
->msg
, req
->id
)))
3514 free_timer( thread
->queue
, timer
);
3516 set_error( STATUS_INVALID_PARAMETER
);
3518 release_object( thread
);
3521 DECL_HANDLER(register_hotkey
)
3523 struct desktop
*desktop
;
3524 user_handle_t win_handle
= req
->window
;
3525 struct hotkey
*hotkey
;
3526 struct hotkey
*new_hotkey
= NULL
;
3527 struct thread
*thread
;
3528 const int modifier_flags
= MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
;
3530 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3534 if (!(win_handle
= get_valid_window_handle( win_handle
)))
3536 release_object( desktop
);
3540 thread
= get_window_thread( win_handle
);
3541 if (thread
) release_object( thread
);
3543 if (thread
!= current
)
3545 release_object( desktop
);
3546 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
3551 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
3553 if (req
->vkey
== hotkey
->vkey
&&
3554 (req
->flags
& modifier_flags
) == (hotkey
->flags
& modifier_flags
))
3556 release_object( desktop
);
3557 set_win32_error( ERROR_HOTKEY_ALREADY_REGISTERED
);
3560 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
3561 new_hotkey
= hotkey
;
3566 reply
->replaced
= 1;
3567 reply
->flags
= new_hotkey
->flags
;
3568 reply
->vkey
= new_hotkey
->vkey
;
3572 new_hotkey
= mem_alloc( sizeof(*new_hotkey
) );
3575 list_add_tail( &desktop
->hotkeys
, &new_hotkey
->entry
);
3576 new_hotkey
->queue
= current
->queue
;
3577 new_hotkey
->win
= win_handle
;
3578 new_hotkey
->id
= req
->id
;
3584 new_hotkey
->flags
= req
->flags
;
3585 new_hotkey
->vkey
= req
->vkey
;
3588 release_object( desktop
);
3591 DECL_HANDLER(unregister_hotkey
)
3593 struct desktop
*desktop
;
3594 user_handle_t win_handle
= req
->window
;
3595 struct hotkey
*hotkey
;
3596 struct thread
*thread
;
3598 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3602 if (!(win_handle
= get_valid_window_handle( win_handle
)))
3604 release_object( desktop
);
3608 thread
= get_window_thread( win_handle
);
3609 if (thread
) release_object( thread
);
3611 if (thread
!= current
)
3613 release_object( desktop
);
3614 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
3619 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
3621 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
3625 release_object( desktop
);
3626 set_win32_error( ERROR_HOTKEY_NOT_REGISTERED
);
3630 reply
->flags
= hotkey
->flags
;
3631 reply
->vkey
= hotkey
->vkey
;
3632 list_remove( &hotkey
->entry
);
3634 release_object( desktop
);
3637 /* attach (or detach) thread inputs */
3638 DECL_HANDLER(attach_thread_input
)
3640 struct thread
*thread_from
= get_thread_from_id( req
->tid_from
);
3641 struct thread
*thread_to
= get_thread_from_id( req
->tid_to
);
3643 if (!thread_from
|| !thread_to
)
3645 if (thread_from
) release_object( thread_from
);
3646 if (thread_to
) release_object( thread_to
);
3649 if (thread_from
!= thread_to
)
3653 if ((thread_to
->queue
|| thread_to
== current
) &&
3654 (thread_from
->queue
|| thread_from
== current
))
3655 attach_thread_input( thread_from
, thread_to
);
3657 set_error( STATUS_INVALID_PARAMETER
);
3661 if (thread_from
->queue
&& thread_to
->queue
&&
3662 thread_from
->queue
->input
== thread_to
->queue
->input
)
3663 detach_thread_input( thread_from
);
3665 set_error( STATUS_ACCESS_DENIED
);
3668 else set_error( STATUS_ACCESS_DENIED
);
3669 release_object( thread_from
);
3670 release_object( thread_to
);
3674 /* get the thread input of the given thread */
3675 DECL_HANDLER(get_thread_input
)
3677 struct thread_input
*input
;
3681 struct thread
*thread
;
3682 if (!(thread
= get_thread_from_id( req
->tid
))) return;
3683 input
= thread
->queue
? thread
->queue
->input
: NULL
;
3684 release_object( thread
);
3688 struct desktop
*desktop
;
3689 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3690 input
= desktop
->foreground_input
; /* get the foreground thread info */
3691 release_object( desktop
);
3694 if (input
&& input
->shared
) reply
->locator
= get_shared_object_locator( input
->shared
);
3698 /* retrieve queue keyboard state for current thread or global async state */
3699 DECL_HANDLER(get_key_state
)
3701 struct desktop
*desktop
;
3702 data_size_t size
= min( 256, get_reply_max_size() );
3704 if (req
->async
) /* get global async key state */
3706 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3709 SHARED_WRITE_BEGIN( desktop
->shared
, desktop_shm_t
)
3711 reply
->state
= shared
->keystate
[req
->key
& 0xff];
3712 shared
->keystate
[req
->key
& 0xff] &= ~0x40;
3716 set_reply_data( (const void *)desktop
->shared
->keystate
, size
);
3717 release_object( desktop
);
3721 struct msg_queue
*queue
= get_current_queue();
3722 unsigned char *keystate
= queue
->input
->keystate
;
3725 sync_input_keystate( queue
->input
);
3726 reply
->state
= keystate
[req
->key
& 0xff];
3728 set_reply_data( keystate
, size
);
3733 /* set queue keyboard state for current thread */
3734 DECL_HANDLER(set_key_state
)
3736 struct msg_queue
*queue
= get_current_queue();
3737 struct desktop
*desktop
= queue
->input
->desktop
;
3738 data_size_t size
= min( 256, get_req_data_size() );
3740 memcpy( queue
->input
->keystate
, get_req_data(), size
);
3741 memcpy( queue
->input
->desktop_keystate
, (const void *)desktop
->shared
->keystate
,
3742 sizeof(queue
->input
->desktop_keystate
) );
3744 if (req
->async
&& (desktop
= get_thread_desktop( current
, 0 )))
3746 SHARED_WRITE_BEGIN( desktop
->shared
, desktop_shm_t
)
3748 memcpy( (void *)shared
->keystate
, get_req_data(), size
);
3751 release_object( desktop
);
3756 /* set the system foreground window */
3757 DECL_HANDLER(set_foreground_window
)
3759 struct thread
*thread
= NULL
;
3760 struct desktop
*desktop
;
3761 struct thread_input
*input
;
3762 struct msg_queue
*queue
= get_current_queue();
3764 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3766 if (!(input
= desktop
->foreground_input
)) reply
->previous
= 0;
3767 else reply
->previous
= input
->shared
->active
;
3769 reply
->send_msg_old
= (reply
->previous
&& desktop
->foreground_input
!= queue
->input
);
3770 reply
->send_msg_new
= FALSE
;
3772 if (is_valid_foreground_window( req
->handle
) &&
3773 (thread
= get_window_thread( req
->handle
)) &&
3774 thread
->queue
->input
->desktop
== desktop
)
3776 set_foreground_input( desktop
, thread
->queue
->input
);
3777 reply
->send_msg_new
= (desktop
->foreground_input
!= queue
->input
);
3779 else set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
3781 if (thread
) release_object( thread
);
3782 release_object( desktop
);
3786 /* set the current thread focus window */
3787 DECL_HANDLER(set_focus_window
)
3789 struct msg_queue
*queue
= get_current_queue();
3791 reply
->previous
= 0;
3792 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3794 const input_shm_t
*input_shm
= queue
->input
->shared
;
3795 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
3797 reply
->previous
= shared
->focus
;
3798 shared
->focus
= get_user_full_handle( req
->handle
);
3805 /* set the current thread active window */
3806 DECL_HANDLER(set_active_window
)
3808 struct msg_queue
*queue
= get_current_queue();
3810 reply
->previous
= 0;
3811 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3813 if (!req
->handle
|| make_window_active( req
->handle
))
3815 const input_shm_t
*input_shm
= queue
->input
->shared
;
3816 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
3818 reply
->previous
= shared
->active
;
3819 shared
->active
= get_user_full_handle( req
->handle
);
3823 else set_error( STATUS_INVALID_HANDLE
);
3828 /* set the current thread capture window */
3829 DECL_HANDLER(set_capture_window
)
3831 struct msg_queue
*queue
= get_current_queue();
3833 reply
->previous
= reply
->full_handle
= 0;
3834 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3836 struct thread_input
*input
= queue
->input
;
3837 const input_shm_t
*input_shm
= input
->shared
;
3839 /* if in menu mode, reject all requests to change focus, except if the menu bit is set */
3840 if (input_shm
->menu_owner
&& !(req
->flags
& CAPTURE_MENU
))
3842 set_error(STATUS_ACCESS_DENIED
);
3845 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
3847 reply
->previous
= shared
->capture
;
3848 shared
->capture
= get_user_full_handle( req
->handle
);
3849 shared
->menu_owner
= (req
->flags
& CAPTURE_MENU
) ? shared
->capture
: 0;
3850 shared
->move_size
= (req
->flags
& CAPTURE_MOVESIZE
) ? shared
->capture
: 0;
3851 reply
->full_handle
= shared
->capture
;
3858 /* Set the current thread caret window */
3859 DECL_HANDLER(set_caret_window
)
3861 struct msg_queue
*queue
= get_current_queue();
3863 reply
->previous
= 0;
3864 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3866 struct thread_input
*input
= queue
->input
;
3867 const input_shm_t
*input_shm
= input
->shared
;
3868 user_handle_t caret
= get_user_full_handle(req
->handle
);
3870 reply
->previous
= input_shm
->caret
;
3871 reply
->old_rect
= input_shm
->caret_rect
;
3872 reply
->old_hide
= input
->caret_hide
;
3873 reply
->old_state
= input
->caret_state
;
3875 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
3877 set_caret_window( input
, shared
, caret
);
3878 shared
->caret_rect
.right
= shared
->caret_rect
.left
+ req
->width
;
3879 shared
->caret_rect
.bottom
= shared
->caret_rect
.top
+ req
->height
;
3886 /* Set the current thread caret information */
3887 DECL_HANDLER(set_caret_info
)
3889 struct msg_queue
*queue
= get_current_queue();
3890 const input_shm_t
*input_shm
;
3891 struct thread_input
*input
;
3894 input
= queue
->input
;
3895 input_shm
= input
->shared
;
3896 reply
->full_handle
= input_shm
->caret
;
3897 reply
->old_rect
= input_shm
->caret_rect
;
3898 reply
->old_hide
= input
->caret_hide
;
3899 reply
->old_state
= input
->caret_state
;
3901 if (req
->handle
&& get_user_full_handle(req
->handle
) != input_shm
->caret
)
3903 set_error( STATUS_ACCESS_DENIED
);
3906 if (req
->flags
& SET_CARET_POS
)
3908 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
3910 shared
->caret_rect
.right
+= req
->x
- shared
->caret_rect
.left
;
3911 shared
->caret_rect
.bottom
+= req
->y
- shared
->caret_rect
.top
;
3912 shared
->caret_rect
.left
= req
->x
;
3913 shared
->caret_rect
.top
= req
->y
;
3917 if (req
->flags
& SET_CARET_HIDE
)
3919 input
->caret_hide
+= req
->hide
;
3920 if (input
->caret_hide
< 0) input
->caret_hide
= 0;
3922 if (req
->flags
& SET_CARET_STATE
)
3926 case CARET_STATE_OFF
: input
->caret_state
= 0; break;
3927 case CARET_STATE_ON
: input
->caret_state
= 1; break;
3928 case CARET_STATE_TOGGLE
: input
->caret_state
= !input
->caret_state
; break;
3929 case CARET_STATE_ON_IF_MOVED
:
3930 if (req
->x
!= reply
->old_rect
.left
|| req
->y
!= reply
->old_rect
.top
) input
->caret_state
= 1;
3937 /* get the time of the last input event */
3938 DECL_HANDLER(get_last_input_time
)
3940 reply
->time
= last_input_time
;
3943 /* set/get the current cursor */
3944 DECL_HANDLER(set_cursor
)
3946 struct msg_queue
*queue
= get_current_queue();
3947 user_handle_t prev_cursor
, new_cursor
;
3948 struct thread_input
*input
;
3949 const input_shm_t
*input_shm
;
3950 struct desktop
*desktop
;
3951 const desktop_shm_t
*desktop_shm
;
3954 input
= queue
->input
;
3955 input_shm
= input
->shared
;
3956 desktop
= input
->desktop
;
3957 desktop_shm
= desktop
->shared
;
3958 prev_cursor
= input_shm
->cursor_count
< 0 ? 0 : input_shm
->cursor
;
3960 reply
->prev_handle
= input_shm
->cursor
;
3961 reply
->prev_count
= input_shm
->cursor_count
;
3962 reply
->prev_x
= desktop_shm
->cursor
.x
;
3963 reply
->prev_y
= desktop_shm
->cursor
.y
;
3965 if ((req
->flags
& SET_CURSOR_HANDLE
) && req
->handle
&&
3966 !get_user_object( req
->handle
, USER_CLIENT
))
3968 set_win32_error( ERROR_INVALID_CURSOR_HANDLE
);
3972 SHARED_WRITE_BEGIN( input_shm
, input_shm_t
)
3974 if (req
->flags
& SET_CURSOR_HANDLE
)
3975 shared
->cursor
= req
->handle
;
3976 if (req
->flags
& SET_CURSOR_COUNT
)
3978 queue
->cursor_count
+= req
->show_count
;
3979 shared
->cursor_count
+= req
->show_count
;
3984 if (req
->flags
& SET_CURSOR_POS
) set_cursor_pos( desktop
, req
->x
, req
->y
);
3985 if (req
->flags
& SET_CURSOR_CLIP
) set_clip_rectangle( desktop
, &req
->clip
, req
->flags
, 0 );
3986 if (req
->flags
& SET_CURSOR_NOCLIP
) set_clip_rectangle( desktop
, NULL
, SET_CURSOR_NOCLIP
, 0 );
3988 new_cursor
= input_shm
->cursor_count
< 0 ? 0 : input_shm
->cursor
;
3989 if (prev_cursor
!= new_cursor
) update_desktop_cursor_handle( desktop
, input
, new_cursor
);
3991 reply
->new_x
= desktop_shm
->cursor
.x
;
3992 reply
->new_y
= desktop_shm
->cursor
.y
;
3993 reply
->new_clip
= desktop_shm
->cursor
.clip
;
3994 reply
->last_change
= desktop_shm
->cursor
.last_change
;
3997 /* Get the history of the 64 last cursor positions */
3998 DECL_HANDLER(get_cursor_history
)
4001 unsigned int i
, count
= min( 64, get_reply_max_size() / sizeof(*pos
) );
4003 if ((pos
= set_reply_data_size( count
* sizeof(*pos
) )))
4004 for (i
= 0; i
< count
; i
++)
4005 pos
[i
] = cursor_history
[(i
+ cursor_history_latest
) % ARRAY_SIZE(cursor_history
)];
4008 DECL_HANDLER(get_rawinput_buffer
)
4010 const size_t align
= is_machine_64bit( current
->process
->machine
) ? 7 : 3;
4011 data_size_t buffer_size
= get_reply_max_size() & ~align
;
4012 struct thread_input
*input
= current
->queue
->input
;
4013 struct message
*msg
, *next_msg
;
4017 if (req
->header_size
!= sizeof(RAWINPUTHEADER
))
4019 set_error( STATUS_INVALID_PARAMETER
);
4023 if (!req
->read_data
)
4025 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
4027 if (msg
->msg
== WM_INPUT
)
4029 struct hardware_msg_data
*msg_data
= msg
->data
;
4030 data_size_t size
= msg_data
->size
- sizeof(*msg_data
);
4031 reply
->next_size
= sizeof(RAWINPUTHEADER
) + size
;
4037 else if ((buffer
= mem_alloc( buffer_size
)))
4039 size_t total_size
= 0, next_size
= 0;
4041 reply
->next_size
= get_reply_max_size();
4043 LIST_FOR_EACH_ENTRY_SAFE( msg
, next_msg
, &input
->msg_list
, struct message
, entry
)
4045 if (msg
->msg
== WM_INPUT
)
4047 RAWINPUT
*rawinput
= (RAWINPUT
*)(buffer
+ total_size
);
4048 struct hardware_msg_data
*msg_data
= msg
->data
;
4049 data_size_t data_size
= msg_data
->size
- sizeof(*msg_data
);
4051 if (total_size
+ sizeof(RAWINPUTHEADER
) + data_size
> buffer_size
)
4053 next_size
= sizeof(RAWINPUTHEADER
) + data_size
;
4057 rawinput
->header
.dwSize
= sizeof(RAWINPUTHEADER
) + data_size
;
4058 rawinput
->header
.dwType
= msg_data
->rawinput
.type
;
4059 rawinput
->header
.hDevice
= UlongToHandle(msg_data
->rawinput
.device
);
4060 rawinput
->header
.wParam
= msg_data
->rawinput
.wparam
;
4061 memcpy( &rawinput
->header
+ 1, msg_data
+ 1, data_size
);
4063 total_size
+= (rawinput
->header
.dwSize
+ align
) & ~align
;
4064 reply
->time
= msg
->time
;
4065 list_remove( &msg
->entry
);
4066 free_message( msg
);
4073 if (count
) next_size
= sizeof(RAWINPUT
);
4074 else reply
->next_size
= 0;
4077 if (next_size
&& get_reply_max_size() <= next_size
)
4079 set_error( STATUS_BUFFER_TOO_SMALL
);
4080 reply
->next_size
= next_size
;
4083 reply
->count
= count
;
4084 set_reply_data_ptr( buffer
, total_size
);
4088 DECL_HANDLER(update_rawinput_devices
)
4090 const struct rawinput_device
*tmp
, *devices
= get_req_data();
4091 unsigned int device_count
= get_req_data_size() / sizeof (*devices
);
4092 size_t size
= device_count
* sizeof(*devices
);
4093 struct process
*process
= current
->process
;
4094 struct winstation
*winstation
;
4095 struct desktop
*desktop
;
4099 process
->rawinput_device_count
= 0;
4100 process
->rawinput_mouse
= NULL
;
4101 process
->rawinput_kbd
= NULL
;
4102 set_rawinput_process( process
, 0 );
4106 if (!(tmp
= realloc( process
->rawinput_devices
, size
)))
4108 set_error( STATUS_NO_MEMORY
);
4111 process
->rawinput_devices
= (struct rawinput_device
*)tmp
;
4112 process
->rawinput_device_count
= device_count
;
4113 memcpy( process
->rawinput_devices
, devices
, size
);
4115 process
->rawinput_mouse
= find_rawinput_device( process
, MAKELONG(HID_USAGE_GENERIC_MOUSE
, HID_USAGE_PAGE_GENERIC
) );
4116 process
->rawinput_kbd
= find_rawinput_device( process
, MAKELONG(HID_USAGE_GENERIC_KEYBOARD
, HID_USAGE_PAGE_GENERIC
) );
4118 if ((winstation
= get_visible_winstation()) && (desktop
= get_input_desktop( winstation
)))
4120 struct thread
*thread
;
4122 /* one of the process thread might be connected to the input desktop, update the full list */
4123 LIST_FOR_EACH_ENTRY( thread
, &desktop
->threads
, struct thread
, desktop_entry
)
4124 set_rawinput_process( thread
->process
, 1 );
4126 release_object( desktop
);
4130 DECL_HANDLER(set_keyboard_repeat
)
4132 struct desktop
*desktop
;
4134 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
4136 /* report previous values */
4137 reply
->enable
= desktop
->key_repeat
.enable
;
4139 /* ignore negative values to allow partial updates */
4140 if (req
->enable
>= 0) desktop
->key_repeat
.enable
= req
->enable
;
4141 if (req
->delay
>= 0) desktop
->key_repeat
.delay
= -req
->delay
* 10000;
4142 if (req
->period
>= 0) desktop
->key_repeat
.period
= -req
->period
* 10000;
4144 if (!desktop
->key_repeat
.enable
) stop_key_repeat( desktop
);
4146 release_object( desktop
);