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
46 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
47 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
49 enum message_kind
{ SEND_MESSAGE
, POST_MESSAGE
};
50 #define NB_MSG_KINDS (POST_MESSAGE+1)
55 struct list sender_entry
; /* entry in sender list */
56 struct message
*msg
; /* message the result is for */
57 struct message_result
*recv_next
; /* next in receiver list */
58 struct msg_queue
*sender
; /* sender queue */
59 struct msg_queue
*receiver
; /* receiver queue */
60 int replied
; /* has it been replied to? */
61 unsigned int error
; /* error code to pass back to sender */
62 lparam_t result
; /* reply result */
63 struct message
*hardware_msg
; /* hardware message if low-level hook result */
64 struct desktop
*desktop
; /* desktop for hardware message */
65 struct message
*callback_msg
; /* message to queue for callback */
66 void *data
; /* message reply data */
67 unsigned int data_size
; /* size of message reply data */
68 struct timeout_user
*timeout
; /* result timeout */
73 struct list entry
; /* entry in message list */
74 enum message_type type
; /* message type */
75 user_handle_t win
; /* window handle */
76 unsigned int msg
; /* message code */
77 lparam_t wparam
; /* parameters */
78 lparam_t lparam
; /* parameters */
79 int x
; /* message position */
81 unsigned int time
; /* message time */
82 void *data
; /* message data for sent messages */
83 unsigned int data_size
; /* size of message data */
84 unsigned int unique_id
; /* unique id for nested hw message waits */
85 struct message_result
*result
; /* result in sender queue */
90 struct list entry
; /* entry in timer list */
91 abstime_t when
; /* next expiration */
92 unsigned int rate
; /* timer rate in ms */
93 user_handle_t win
; /* window handle */
94 unsigned int msg
; /* message to post */
95 lparam_t id
; /* timer id */
96 lparam_t lparam
; /* lparam for message */
101 struct object obj
; /* object header */
102 struct desktop
*desktop
; /* desktop that this thread input belongs to */
103 user_handle_t focus
; /* focus window */
104 user_handle_t capture
; /* capture window */
105 user_handle_t active
; /* active window */
106 user_handle_t menu_owner
; /* current menu owner window */
107 user_handle_t move_size
; /* current moving/resizing window */
108 user_handle_t caret
; /* caret window */
109 rectangle_t caret_rect
; /* caret rectangle */
110 int caret_hide
; /* caret hide count */
111 int caret_state
; /* caret on/off state */
112 user_handle_t cursor
; /* current cursor */
113 int cursor_count
; /* cursor show count */
114 struct list msg_list
; /* list of hardware messages */
115 unsigned char keystate
[256]; /* state of each key */
116 unsigned char desktop_keystate
[256]; /* desktop keystate when keystate was synced */
117 int keystate_lock
; /* keystate is locked */
122 struct object obj
; /* object header */
123 struct fd
*fd
; /* optional file descriptor to poll */
124 unsigned int wake_bits
; /* wakeup bits */
125 unsigned int wake_mask
; /* wakeup mask */
126 unsigned int changed_bits
; /* changed wakeup bits */
127 unsigned int changed_mask
; /* changed wakeup mask */
128 int paint_count
; /* pending paint messages count */
129 int hotkey_count
; /* pending hotkey messages count */
130 int quit_message
; /* is there a pending quit message? */
131 int exit_code
; /* exit code of pending quit message */
132 int cursor_count
; /* per-queue cursor show count */
133 struct list msg_list
[NB_MSG_KINDS
]; /* lists of messages */
134 struct list send_result
; /* stack of sent messages waiting for result */
135 struct list callback_result
; /* list of callback messages waiting for result */
136 struct message_result
*recv_result
; /* stack of received messages waiting for result */
137 struct list pending_timers
; /* list of pending timers */
138 struct list expired_timers
; /* list of expired timers */
139 lparam_t next_timer_id
; /* id for the next timer with a 0 window */
140 struct timeout_user
*timeout
; /* timeout for next timer to expire */
141 struct thread_input
*input
; /* thread input descriptor */
142 struct hook_table
*hooks
; /* hook table */
143 timeout_t last_get_msg
; /* time of last get message call */
144 int keystate_lock
; /* owns an input keystate lock */
149 struct list entry
; /* entry in desktop hotkey list */
150 struct msg_queue
*queue
; /* queue owning this hotkey */
151 user_handle_t win
; /* window handle */
152 int id
; /* hotkey id */
153 unsigned int vkey
; /* virtual key code */
154 unsigned int flags
; /* key modifiers */
157 static void msg_queue_dump( struct object
*obj
, int verbose
);
158 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
159 static void msg_queue_remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
160 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
161 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
);
162 static void msg_queue_destroy( struct object
*obj
);
163 static void msg_queue_poll_event( struct fd
*fd
, int event
);
164 static void thread_input_dump( struct object
*obj
, int verbose
);
165 static void thread_input_destroy( struct object
*obj
);
166 static void timer_callback( void *private );
168 static const struct object_ops msg_queue_ops
=
170 sizeof(struct msg_queue
), /* size */
172 msg_queue_dump
, /* dump */
173 msg_queue_add_queue
, /* add_queue */
174 msg_queue_remove_queue
, /* remove_queue */
175 msg_queue_signaled
, /* signaled */
176 msg_queue_satisfied
, /* satisfied */
177 no_signal
, /* signal */
178 no_get_fd
, /* get_fd */
179 default_map_access
, /* map_access */
180 default_get_sd
, /* get_sd */
181 default_set_sd
, /* set_sd */
182 no_get_full_name
, /* get_full_name */
183 no_lookup_name
, /* lookup_name */
184 no_link_name
, /* link_name */
185 NULL
, /* unlink_name */
186 no_open_file
, /* open_file */
187 no_kernel_obj_list
, /* get_kernel_obj_list */
188 no_close_handle
, /* close_handle */
189 msg_queue_destroy
/* destroy */
192 static const struct fd_ops msg_queue_fd_ops
=
194 NULL
, /* get_poll_events */
195 msg_queue_poll_event
, /* poll_event */
197 NULL
, /* get_fd_type */
199 NULL
, /* queue_async */
200 NULL
, /* reselect_async */
201 NULL
/* cancel async */
205 static const struct object_ops thread_input_ops
=
207 sizeof(struct thread_input
), /* size */
209 thread_input_dump
, /* dump */
210 no_add_queue
, /* add_queue */
211 NULL
, /* remove_queue */
213 NULL
, /* satisfied */
214 no_signal
, /* signal */
215 no_get_fd
, /* get_fd */
216 default_map_access
, /* map_access */
217 default_get_sd
, /* get_sd */
218 default_set_sd
, /* set_sd */
219 no_get_full_name
, /* get_full_name */
220 no_lookup_name
, /* lookup_name */
221 no_link_name
, /* link_name */
222 NULL
, /* unlink_name */
223 no_open_file
, /* open_file */
224 no_kernel_obj_list
, /* get_kernel_obj_list */
225 no_close_handle
, /* close_handle */
226 thread_input_destroy
/* destroy */
229 /* pointer to input structure of foreground thread */
230 static unsigned int last_input_time
;
232 static cursor_pos_t cursor_history
[64];
233 static unsigned int cursor_history_latest
;
235 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
);
236 static void free_message( struct message
*msg
);
238 /* set the caret window in a given thread input */
239 static void set_caret_window( struct thread_input
*input
, user_handle_t win
)
241 if (!win
|| win
!= input
->caret
)
243 input
->caret_rect
.left
= 0;
244 input
->caret_rect
.top
= 0;
245 input
->caret_rect
.right
= 0;
246 input
->caret_rect
.bottom
= 0;
249 input
->caret_hide
= 1;
250 input
->caret_state
= 0;
253 /* create a thread input object */
254 static struct thread_input
*create_thread_input( struct thread
*thread
)
256 struct thread_input
*input
;
258 if ((input
= alloc_object( &thread_input_ops
)))
263 input
->menu_owner
= 0;
264 input
->move_size
= 0;
266 input
->cursor_count
= 0;
267 list_init( &input
->msg_list
);
268 set_caret_window( input
, 0 );
269 memset( input
->keystate
, 0, sizeof(input
->keystate
) );
270 input
->keystate_lock
= 0;
272 if (!(input
->desktop
= get_thread_desktop( thread
, 0 /* FIXME: access rights */ )))
274 release_object( input
);
277 memcpy( input
->desktop_keystate
, input
->desktop
->keystate
, sizeof(input
->desktop_keystate
) );
282 /* create a message queue object */
283 static struct msg_queue
*create_msg_queue( struct thread
*thread
, struct thread_input
*input
)
285 struct thread_input
*new_input
= NULL
;
286 struct msg_queue
*queue
;
291 if (!(new_input
= create_thread_input( thread
))) return NULL
;
295 if ((queue
= alloc_object( &msg_queue_ops
)))
298 queue
->wake_bits
= 0;
299 queue
->wake_mask
= 0;
300 queue
->changed_bits
= 0;
301 queue
->changed_mask
= 0;
302 queue
->paint_count
= 0;
303 queue
->hotkey_count
= 0;
304 queue
->quit_message
= 0;
305 queue
->cursor_count
= 0;
306 queue
->recv_result
= NULL
;
307 queue
->next_timer_id
= 0x7fff;
308 queue
->timeout
= NULL
;
309 queue
->input
= (struct thread_input
*)grab_object( input
);
311 queue
->last_get_msg
= current_time
;
312 queue
->keystate_lock
= 0;
313 list_init( &queue
->send_result
);
314 list_init( &queue
->callback_result
);
315 list_init( &queue
->pending_timers
);
316 list_init( &queue
->expired_timers
);
317 for (i
= 0; i
< NB_MSG_KINDS
; i
++) list_init( &queue
->msg_list
[i
] );
319 thread
->queue
= queue
;
321 if (new_input
) release_object( new_input
);
325 /* free the message queue of a thread at thread exit */
326 void free_msg_queue( struct thread
*thread
)
328 remove_thread_hooks( thread
);
329 if (!thread
->queue
) return;
330 release_object( thread
->queue
);
331 thread
->queue
= NULL
;
334 /* synchronize thread input keystate with the desktop */
335 static void sync_input_keystate( struct thread_input
*input
)
338 if (!input
->desktop
|| input
->keystate_lock
) return;
339 for (i
= 0; i
< sizeof(input
->keystate
); ++i
)
341 if (input
->desktop_keystate
[i
] == input
->desktop
->keystate
[i
]) continue;
342 input
->keystate
[i
] = input
->desktop_keystate
[i
] = input
->desktop
->keystate
[i
];
346 /* locks thread input keystate to prevent synchronization */
347 static void lock_input_keystate( struct thread_input
*input
)
349 input
->keystate_lock
++;
352 /* unlock the thread input keystate and synchronize it again */
353 static void unlock_input_keystate( struct thread_input
*input
)
355 input
->keystate_lock
--;
356 if (!input
->keystate_lock
) sync_input_keystate( input
);
359 /* change the thread input data of a given thread */
360 static int assign_thread_input( struct thread
*thread
, struct thread_input
*new_input
)
362 struct msg_queue
*queue
= thread
->queue
;
366 thread
->queue
= create_msg_queue( thread
, new_input
);
367 return thread
->queue
!= NULL
;
371 queue
->input
->cursor_count
-= queue
->cursor_count
;
372 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
373 release_object( queue
->input
);
375 queue
->input
= (struct thread_input
*)grab_object( new_input
);
376 if (queue
->keystate_lock
) lock_input_keystate( queue
->input
);
377 new_input
->cursor_count
+= queue
->cursor_count
;
381 /* allocate a hardware message and its data */
382 static struct message
*alloc_hardware_message( lparam_t info
, struct hw_msg_source source
,
383 unsigned int time
, data_size_t extra_size
)
385 struct hardware_msg_data
*msg_data
;
388 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return NULL
;
389 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) + extra_size
)))
394 memset( msg
, 0, sizeof(*msg
) );
395 msg
->type
= MSG_HARDWARE
;
397 msg
->data
= msg_data
;
398 msg
->data_size
= sizeof(*msg_data
) + extra_size
;
400 memset( msg_data
, 0, sizeof(*msg_data
) + extra_size
);
401 msg_data
->info
= info
;
402 msg_data
->size
= msg
->data_size
;
403 msg_data
->source
= source
;
407 static int update_desktop_cursor_pos( struct desktop
*desktop
, int x
, int y
)
411 x
= max( min( x
, desktop
->cursor
.clip
.right
- 1 ), desktop
->cursor
.clip
.left
);
412 y
= max( min( y
, desktop
->cursor
.clip
.bottom
- 1 ), desktop
->cursor
.clip
.top
);
413 updated
= (desktop
->cursor
.x
!= x
|| desktop
->cursor
.y
!= y
);
414 desktop
->cursor
.x
= x
;
415 desktop
->cursor
.y
= y
;
416 desktop
->cursor
.last_change
= get_tick_count();
421 /* set the cursor position and queue the corresponding mouse message */
422 static void set_cursor_pos( struct desktop
*desktop
, int x
, int y
)
424 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
425 const struct rawinput_device
*device
;
428 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
430 update_desktop_cursor_pos( desktop
, x
, y
);
434 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
436 msg
->msg
= WM_MOUSEMOVE
;
439 queue_hardware_message( desktop
, msg
, 1 );
442 /* retrieve default position and time for synthesized messages */
443 static void get_message_defaults( struct msg_queue
*queue
, int *x
, int *y
, unsigned int *time
)
445 struct desktop
*desktop
= queue
->input
->desktop
;
447 *x
= desktop
->cursor
.x
;
448 *y
= desktop
->cursor
.y
;
449 *time
= get_tick_count();
452 /* set the cursor clip rectangle */
453 static void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
, int send_clip_msg
)
455 rectangle_t top_rect
;
458 get_top_window_rectangle( desktop
, &top_rect
);
461 rectangle_t new_rect
= *rect
;
462 if (new_rect
.left
< top_rect
.left
) new_rect
.left
= top_rect
.left
;
463 if (new_rect
.right
> top_rect
.right
) new_rect
.right
= top_rect
.right
;
464 if (new_rect
.top
< top_rect
.top
) new_rect
.top
= top_rect
.top
;
465 if (new_rect
.bottom
> top_rect
.bottom
) new_rect
.bottom
= top_rect
.bottom
;
466 if (new_rect
.left
> new_rect
.right
|| new_rect
.top
> new_rect
.bottom
) new_rect
= top_rect
;
467 desktop
->cursor
.clip
= new_rect
;
469 else desktop
->cursor
.clip
= top_rect
;
471 if (send_clip_msg
) post_desktop_message( desktop
, WM_WINE_CLIPCURSOR
, rect
!= NULL
, 0 );
473 /* warp the mouse to be inside the clip rect */
474 x
= max( min( desktop
->cursor
.x
, desktop
->cursor
.clip
.right
- 1 ), desktop
->cursor
.clip
.left
);
475 y
= max( min( desktop
->cursor
.y
, desktop
->cursor
.clip
.bottom
- 1 ), desktop
->cursor
.clip
.top
);
476 if (x
!= desktop
->cursor
.x
|| y
!= desktop
->cursor
.y
) set_cursor_pos( desktop
, x
, y
);
479 /* change the foreground input and reset the cursor clip rect */
480 static void set_foreground_input( struct desktop
*desktop
, struct thread_input
*input
)
482 if (desktop
->foreground_input
== input
) return;
483 set_clip_rectangle( desktop
, NULL
, 1 );
484 desktop
->foreground_input
= input
;
487 /* get the hook table for a given thread */
488 struct hook_table
*get_queue_hooks( struct thread
*thread
)
490 if (!thread
->queue
) return NULL
;
491 return thread
->queue
->hooks
;
494 /* set the hook table for a given thread, allocating the queue if needed */
495 void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
)
497 struct msg_queue
*queue
= thread
->queue
;
498 if (!queue
&& !(queue
= create_msg_queue( thread
, NULL
))) return;
499 if (queue
->hooks
) release_object( queue
->hooks
);
500 queue
->hooks
= hooks
;
503 /* check the queue status */
504 static inline int is_signaled( struct msg_queue
*queue
)
506 return ((queue
->wake_bits
& queue
->wake_mask
) || (queue
->changed_bits
& queue
->changed_mask
));
509 /* set some queue bits */
510 static inline void set_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
512 if (bits
& (QS_KEY
| QS_MOUSEBUTTON
))
514 if (!queue
->keystate_lock
) lock_input_keystate( queue
->input
);
515 queue
->keystate_lock
= 1;
517 queue
->wake_bits
|= bits
;
518 queue
->changed_bits
|= bits
;
519 if (is_signaled( queue
)) wake_up( &queue
->obj
, 0 );
522 /* clear some queue bits */
523 static inline void clear_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
525 queue
->wake_bits
&= ~bits
;
526 queue
->changed_bits
&= ~bits
;
527 if (!(queue
->wake_bits
& (QS_KEY
| QS_MOUSEBUTTON
)))
529 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
530 queue
->keystate_lock
= 0;
534 /* check if message is matched by the filter */
535 static inline int check_msg_filter( unsigned int msg
, unsigned int first
, unsigned int last
)
537 return (msg
>= first
&& msg
<= last
);
540 /* check whether a message filter contains at least one potential hardware message */
541 static inline int filter_contains_hw_range( unsigned int first
, unsigned int last
)
543 /* hardware message ranges are (in numerical order):
544 * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
545 * WM_INPUT_DEVICE_CHANGE .. WM_KEYLAST
546 * WM_MOUSEFIRST .. WM_MOUSELAST
548 if (last
< WM_NCMOUSEFIRST
) return 0;
549 if (first
> WM_NCMOUSELAST
&& last
< WM_INPUT_DEVICE_CHANGE
) return 0;
550 if (first
> WM_KEYLAST
&& last
< WM_MOUSEFIRST
) return 0;
551 if (first
> WM_MOUSELAST
) return 0;
555 /* get the QS_* bit corresponding to a given hardware message */
556 static inline int get_hardware_msg_bit( struct message
*msg
)
558 if (msg
->msg
== WM_INPUT_DEVICE_CHANGE
|| msg
->msg
== WM_INPUT
) return QS_RAWINPUT
;
559 if (msg
->msg
== WM_MOUSEMOVE
|| msg
->msg
== WM_NCMOUSEMOVE
) return QS_MOUSEMOVE
;
560 if (msg
->msg
>= WM_KEYFIRST
&& msg
->msg
<= WM_KEYLAST
) return QS_KEY
;
561 return QS_MOUSEBUTTON
;
564 /* get the current thread queue, creating it if needed */
565 static inline struct msg_queue
*get_current_queue(void)
567 struct msg_queue
*queue
= current
->queue
;
568 if (!queue
) queue
= create_msg_queue( current
, NULL
);
572 /* get a (pseudo-)unique id to tag hardware messages */
573 static inline unsigned int get_unique_id(void)
575 static unsigned int id
;
576 if (!++id
) id
= 1; /* avoid an id of 0 */
580 /* try to merge a message with the last in the list; return 1 if successful */
581 static int merge_message( struct thread_input
*input
, const struct message
*msg
)
583 struct message
*prev
;
586 if (msg
->msg
!= WM_MOUSEMOVE
) return 0;
587 for (ptr
= list_tail( &input
->msg_list
); ptr
; ptr
= list_prev( &input
->msg_list
, ptr
))
589 prev
= LIST_ENTRY( ptr
, struct message
, entry
);
590 if (prev
->msg
!= WM_INPUT
) break;
593 if (prev
->result
) return 0;
594 if (prev
->win
&& msg
->win
&& prev
->win
!= msg
->win
) return 0;
595 if (prev
->msg
!= msg
->msg
) return 0;
596 if (prev
->type
!= msg
->type
) return 0;
597 /* now we can merge it */
598 prev
->wparam
= msg
->wparam
;
599 prev
->lparam
= msg
->lparam
;
602 prev
->time
= msg
->time
;
603 if (msg
->type
== MSG_HARDWARE
&& prev
->data
&& msg
->data
)
605 struct hardware_msg_data
*prev_data
= prev
->data
;
606 struct hardware_msg_data
*msg_data
= msg
->data
;
607 prev_data
->info
= msg_data
->info
;
610 list_add_tail( &input
->msg_list
, ptr
);
614 /* free a result structure */
615 static void free_result( struct message_result
*result
)
617 if (result
->timeout
) remove_timeout_user( result
->timeout
);
618 free( result
->data
);
619 if (result
->callback_msg
) free_message( result
->callback_msg
);
620 if (result
->hardware_msg
) free_message( result
->hardware_msg
);
621 if (result
->desktop
) release_object( result
->desktop
);
625 /* remove the result from the sender list it is on */
626 static inline void remove_result_from_sender( struct message_result
*result
)
628 assert( result
->sender
);
630 list_remove( &result
->sender_entry
);
631 result
->sender
= NULL
;
632 if (!result
->receiver
) free_result( result
);
635 /* store the message result in the appropriate structure */
636 static void store_message_result( struct message_result
*res
, lparam_t result
, unsigned int error
)
638 res
->result
= result
;
643 remove_timeout_user( res
->timeout
);
647 if (res
->hardware_msg
)
649 if (!error
&& result
) /* rejected by the hook */
650 free_message( res
->hardware_msg
);
652 queue_hardware_message( res
->desktop
, res
->hardware_msg
, 0 );
654 res
->hardware_msg
= NULL
;
659 if (res
->callback_msg
)
661 /* queue the callback message in the sender queue */
662 struct callback_msg_data
*data
= res
->callback_msg
->data
;
663 data
->result
= result
;
664 list_add_tail( &res
->sender
->msg_list
[SEND_MESSAGE
], &res
->callback_msg
->entry
);
665 set_queue_bits( res
->sender
, QS_SENDMESSAGE
);
666 res
->callback_msg
= NULL
;
667 remove_result_from_sender( res
);
671 /* wake sender queue if waiting on this result */
672 if (list_head(&res
->sender
->send_result
) == &res
->sender_entry
)
673 set_queue_bits( res
->sender
, QS_SMRESULT
);
676 else if (!res
->receiver
) free_result( res
);
679 /* free a message when deleting a queue or window */
680 static void free_message( struct message
*msg
)
682 struct message_result
*result
= msg
->result
;
686 result
->receiver
= NULL
;
687 store_message_result( result
, 0, STATUS_ACCESS_DENIED
/*FIXME*/ );
693 /* remove (and free) a message from a message list */
694 static void remove_queue_message( struct msg_queue
*queue
, struct message
*msg
,
695 enum message_kind kind
)
697 list_remove( &msg
->entry
);
701 if (list_empty( &queue
->msg_list
[kind
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
704 if (list_empty( &queue
->msg_list
[kind
] ) && !queue
->quit_message
)
705 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
706 if (msg
->msg
== WM_HOTKEY
&& --queue
->hotkey_count
== 0)
707 clear_queue_bits( queue
, QS_HOTKEY
);
713 /* message timed out without getting a reply */
714 static void result_timeout( void *private )
716 struct message_result
*result
= private;
718 assert( !result
->replied
);
720 result
->timeout
= NULL
;
722 if (result
->msg
) /* not received yet */
724 struct message
*msg
= result
->msg
;
728 remove_queue_message( result
->receiver
, msg
, SEND_MESSAGE
);
729 result
->receiver
= NULL
;
731 store_message_result( result
, 0, STATUS_TIMEOUT
);
734 /* allocate and fill a message result structure */
735 static struct message_result
*alloc_message_result( struct msg_queue
*send_queue
,
736 struct msg_queue
*recv_queue
,
737 struct message
*msg
, timeout_t timeout
)
739 struct message_result
*result
= mem_alloc( sizeof(*result
) );
743 result
->sender
= send_queue
;
744 result
->receiver
= recv_queue
;
747 result
->data_size
= 0;
748 result
->timeout
= NULL
;
749 result
->hardware_msg
= NULL
;
750 result
->desktop
= NULL
;
751 result
->callback_msg
= NULL
;
753 if (msg
->type
== MSG_CALLBACK
)
755 struct message
*callback_msg
= mem_alloc( sizeof(*callback_msg
) );
762 callback_msg
->type
= MSG_CALLBACK_RESULT
;
763 callback_msg
->win
= msg
->win
;
764 callback_msg
->msg
= msg
->msg
;
765 callback_msg
->wparam
= 0;
766 callback_msg
->lparam
= 0;
767 callback_msg
->time
= get_tick_count();
768 callback_msg
->result
= NULL
;
769 /* steal the data from the original message */
770 callback_msg
->data
= msg
->data
;
771 callback_msg
->data_size
= msg
->data_size
;
775 result
->callback_msg
= callback_msg
;
776 list_add_head( &send_queue
->callback_result
, &result
->sender_entry
);
780 list_add_head( &send_queue
->send_result
, &result
->sender_entry
);
781 clear_queue_bits( send_queue
, QS_SMRESULT
);
784 if (timeout
!= TIMEOUT_INFINITE
)
785 result
->timeout
= add_timeout_user( timeout
, result_timeout
, result
);
790 /* receive a message, removing it from the sent queue */
791 static void receive_message( struct msg_queue
*queue
, struct message
*msg
,
792 struct get_message_reply
*reply
)
794 struct message_result
*result
= msg
->result
;
796 reply
->total
= msg
->data_size
;
797 if (msg
->data_size
> get_reply_max_size())
799 set_error( STATUS_BUFFER_OVERFLOW
);
802 reply
->type
= msg
->type
;
803 reply
->win
= msg
->win
;
804 reply
->msg
= msg
->msg
;
805 reply
->wparam
= msg
->wparam
;
806 reply
->lparam
= msg
->lparam
;
809 reply
->time
= msg
->time
;
811 if (msg
->data
) set_reply_data_ptr( msg
->data
, msg
->data_size
);
813 list_remove( &msg
->entry
);
814 /* put the result on the receiver result stack */
818 result
->recv_next
= queue
->recv_result
;
819 queue
->recv_result
= result
;
822 if (list_empty( &queue
->msg_list
[SEND_MESSAGE
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
825 /* set the result of the current received message */
826 static void reply_message( struct msg_queue
*queue
, lparam_t result
,
827 unsigned int error
, int remove
, const void *data
, data_size_t len
)
829 struct message_result
*res
= queue
->recv_result
;
833 queue
->recv_result
= res
->recv_next
;
834 res
->receiver
= NULL
;
835 if (!res
->sender
&& !res
->hardware_msg
) /* no one waiting for it */
843 if (len
&& (res
->data
= memdup( data
, len
))) res
->data_size
= len
;
844 store_message_result( res
, result
, error
);
848 static int match_window( user_handle_t win
, user_handle_t msg_win
)
851 if (win
== -1 || win
== 1) return !msg_win
;
852 if (msg_win
== win
) return 1;
853 return is_child_window( win
, msg_win
);
856 /* retrieve a posted message */
857 static int get_posted_message( struct msg_queue
*queue
, user_handle_t win
,
858 unsigned int first
, unsigned int last
, unsigned int flags
,
859 struct get_message_reply
*reply
)
863 /* check against the filters */
864 LIST_FOR_EACH_ENTRY( msg
, &queue
->msg_list
[POST_MESSAGE
], struct message
, entry
)
866 if (!match_window( win
, msg
->win
)) continue;
867 if (!check_msg_filter( msg
->msg
, first
, last
)) continue;
868 goto found
; /* found one */
872 /* return it to the app */
874 reply
->total
= msg
->data_size
;
875 if (msg
->data_size
> get_reply_max_size())
877 set_error( STATUS_BUFFER_OVERFLOW
);
880 reply
->type
= msg
->type
;
881 reply
->win
= msg
->win
;
882 reply
->msg
= msg
->msg
;
883 reply
->wparam
= msg
->wparam
;
884 reply
->lparam
= msg
->lparam
;
887 reply
->time
= msg
->time
;
889 if (flags
& PM_REMOVE
)
893 set_reply_data_ptr( msg
->data
, msg
->data_size
);
897 remove_queue_message( queue
, msg
, POST_MESSAGE
);
899 else if (msg
->data
) set_reply_data( msg
->data
, msg
->data_size
);
904 static int get_quit_message( struct msg_queue
*queue
, unsigned int flags
,
905 struct get_message_reply
*reply
)
907 if (queue
->quit_message
)
910 reply
->type
= MSG_POSTED
;
912 reply
->msg
= WM_QUIT
;
913 reply
->wparam
= queue
->exit_code
;
916 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
918 if (flags
& PM_REMOVE
)
920 queue
->quit_message
= 0;
921 if (list_empty( &queue
->msg_list
[POST_MESSAGE
] ))
922 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
930 /* empty a message list and free all the messages */
931 static void empty_msg_list( struct list
*list
)
935 while ((ptr
= list_head( list
)) != NULL
)
937 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
938 list_remove( &msg
->entry
);
943 /* cleanup all pending results when deleting a queue */
944 static void cleanup_results( struct msg_queue
*queue
)
948 while ((entry
= list_head( &queue
->send_result
)) != NULL
)
950 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
953 while ((entry
= list_head( &queue
->callback_result
)) != NULL
)
955 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
958 while (queue
->recv_result
)
959 reply_message( queue
, 0, STATUS_ACCESS_DENIED
/*FIXME*/, 1, NULL
, 0 );
962 /* check if the thread owning the queue is hung (not checking for messages) */
963 static int is_queue_hung( struct msg_queue
*queue
)
965 struct wait_queue_entry
*entry
;
967 if (current_time
- queue
->last_get_msg
<= 5 * TICKS_PER_SEC
)
968 return 0; /* less than 5 seconds since last get message -> not hung */
970 LIST_FOR_EACH_ENTRY( entry
, &queue
->obj
.wait_queue
, struct wait_queue_entry
, entry
)
972 if (get_wait_queue_thread(entry
)->queue
== queue
)
973 return 0; /* thread is waiting on queue -> not hung */
978 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
)
980 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
981 struct process
*process
= get_wait_queue_thread(entry
)->process
;
983 /* a thread can only wait on its own queue */
984 if (get_wait_queue_thread(entry
)->queue
!= queue
)
986 set_error( STATUS_ACCESS_DENIED
);
989 if (process
->idle_event
&& !(queue
->wake_mask
& QS_SMRESULT
)) set_event( process
->idle_event
);
991 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* first on the queue */
992 set_fd_events( queue
->fd
, POLLIN
);
993 add_queue( obj
, entry
);
997 static void msg_queue_remove_queue(struct object
*obj
, struct wait_queue_entry
*entry
)
999 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1001 remove_queue( obj
, entry
);
1002 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* last on the queue is gone */
1003 set_fd_events( queue
->fd
, 0 );
1006 static void msg_queue_dump( struct object
*obj
, int verbose
)
1008 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1009 fprintf( stderr
, "Msg queue bits=%x mask=%x\n",
1010 queue
->wake_bits
, queue
->wake_mask
);
1013 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
1015 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1020 if ((ret
= check_fd_events( queue
->fd
, POLLIN
)))
1021 /* stop waiting on select() if we are signaled */
1022 set_fd_events( queue
->fd
, 0 );
1023 else if (!list_empty( &obj
->wait_queue
))
1024 /* restart waiting on poll() if we are no longer signaled */
1025 set_fd_events( queue
->fd
, POLLIN
);
1027 return ret
|| is_signaled( queue
);
1030 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
)
1032 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1033 queue
->wake_mask
= 0;
1034 queue
->changed_mask
= 0;
1037 static void msg_queue_destroy( struct object
*obj
)
1039 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1041 struct hotkey
*hotkey
, *hotkey2
;
1044 cleanup_results( queue
);
1045 for (i
= 0; i
< NB_MSG_KINDS
; i
++) empty_msg_list( &queue
->msg_list
[i
] );
1047 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &queue
->input
->desktop
->hotkeys
, struct hotkey
, entry
)
1049 if (hotkey
->queue
== queue
)
1051 list_remove( &hotkey
->entry
);
1056 while ((ptr
= list_head( &queue
->pending_timers
)))
1058 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1059 list_remove( &timer
->entry
);
1062 while ((ptr
= list_head( &queue
->expired_timers
)))
1064 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1065 list_remove( &timer
->entry
);
1068 if (queue
->timeout
) remove_timeout_user( queue
->timeout
);
1069 queue
->input
->cursor_count
-= queue
->cursor_count
;
1070 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
1071 release_object( queue
->input
);
1072 if (queue
->hooks
) release_object( queue
->hooks
);
1073 if (queue
->fd
) release_object( queue
->fd
);
1076 static void msg_queue_poll_event( struct fd
*fd
, int event
)
1078 struct msg_queue
*queue
= get_fd_user( fd
);
1079 assert( queue
->obj
.ops
== &msg_queue_ops
);
1081 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
1082 else set_fd_events( queue
->fd
, 0 );
1083 wake_up( &queue
->obj
, 0 );
1086 static void thread_input_dump( struct object
*obj
, int verbose
)
1088 struct thread_input
*input
= (struct thread_input
*)obj
;
1089 fprintf( stderr
, "Thread input focus=%08x capture=%08x active=%08x\n",
1090 input
->focus
, input
->capture
, input
->active
);
1093 static void thread_input_destroy( struct object
*obj
)
1095 struct thread_input
*input
= (struct thread_input
*)obj
;
1097 empty_msg_list( &input
->msg_list
);
1100 if (input
->desktop
->foreground_input
== input
) set_foreground_input( input
->desktop
, NULL
);
1101 release_object( input
->desktop
);
1105 /* fix the thread input data when a window is destroyed */
1106 static inline void thread_input_cleanup_window( struct msg_queue
*queue
, user_handle_t window
)
1108 struct thread_input
*input
= queue
->input
;
1110 if (window
== input
->focus
) input
->focus
= 0;
1111 if (window
== input
->capture
) input
->capture
= 0;
1112 if (window
== input
->active
) input
->active
= 0;
1113 if (window
== input
->menu_owner
) input
->menu_owner
= 0;
1114 if (window
== input
->move_size
) input
->move_size
= 0;
1115 if (window
== input
->caret
) set_caret_window( input
, 0 );
1118 /* check if the specified window can be set in the input data of a given queue */
1119 static int check_queue_input_window( struct msg_queue
*queue
, user_handle_t window
)
1121 struct thread
*thread
;
1124 if (!window
) return 1; /* we can always clear the data */
1126 if ((thread
= get_window_thread( window
)))
1128 ret
= (queue
->input
== thread
->queue
->input
);
1129 if (!ret
) set_error( STATUS_ACCESS_DENIED
);
1130 release_object( thread
);
1132 else set_error( STATUS_INVALID_HANDLE
);
1137 /* make sure the specified thread has a queue */
1138 int init_thread_queue( struct thread
*thread
)
1140 if (thread
->queue
) return 1;
1141 return (create_msg_queue( thread
, NULL
) != NULL
);
1144 /* attach two thread input data structures */
1145 int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
)
1147 struct desktop
*desktop
;
1148 struct thread_input
*input
;
1151 if (!thread_to
->queue
&& !(thread_to
->queue
= create_msg_queue( thread_to
, NULL
))) return 0;
1152 if (!(desktop
= get_thread_desktop( thread_from
, 0 ))) return 0;
1153 input
= (struct thread_input
*)grab_object( thread_to
->queue
->input
);
1154 if (input
->desktop
!= desktop
)
1156 set_error( STATUS_ACCESS_DENIED
);
1157 release_object( input
);
1158 release_object( desktop
);
1161 release_object( desktop
);
1163 if (thread_from
->queue
)
1165 if (!input
->focus
) input
->focus
= thread_from
->queue
->input
->focus
;
1166 if (!input
->active
) input
->active
= thread_from
->queue
->input
->active
;
1169 ret
= assign_thread_input( thread_from
, input
);
1170 if (ret
) memset( input
->keystate
, 0, sizeof(input
->keystate
) );
1171 release_object( input
);
1175 /* detach two thread input data structures */
1176 void detach_thread_input( struct thread
*thread_from
)
1178 struct thread
*thread
;
1179 struct thread_input
*input
, *old_input
= thread_from
->queue
->input
;
1181 if ((input
= create_thread_input( thread_from
)))
1183 if (old_input
->focus
&& (thread
= get_window_thread( old_input
->focus
)))
1185 if (thread
== thread_from
)
1187 input
->focus
= old_input
->focus
;
1188 old_input
->focus
= 0;
1190 release_object( thread
);
1192 if (old_input
->active
&& (thread
= get_window_thread( old_input
->active
)))
1194 if (thread
== thread_from
)
1196 input
->active
= old_input
->active
;
1197 old_input
->active
= 0;
1199 release_object( thread
);
1201 assign_thread_input( thread_from
, input
);
1202 release_object( input
);
1207 /* set the next timer to expire */
1208 static void set_next_timer( struct msg_queue
*queue
)
1214 remove_timeout_user( queue
->timeout
);
1215 queue
->timeout
= NULL
;
1217 if ((ptr
= list_head( &queue
->pending_timers
)))
1219 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1220 queue
->timeout
= add_timeout_user( abstime_to_timeout(timer
->when
), timer_callback
, queue
);
1222 /* set/clear QS_TIMER bit */
1223 if (list_empty( &queue
->expired_timers
))
1224 clear_queue_bits( queue
, QS_TIMER
);
1226 set_queue_bits( queue
, QS_TIMER
);
1229 /* find a timer from its window and id */
1230 static struct timer
*find_timer( struct msg_queue
*queue
, user_handle_t win
,
1231 unsigned int msg
, lparam_t id
)
1235 /* we need to search both lists */
1237 LIST_FOR_EACH( ptr
, &queue
->pending_timers
)
1239 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1240 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1242 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1244 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1245 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1250 /* callback for the next timer expiration */
1251 static void timer_callback( void *private )
1253 struct msg_queue
*queue
= private;
1256 queue
->timeout
= NULL
;
1257 /* move on to the next timer */
1258 ptr
= list_head( &queue
->pending_timers
);
1260 list_add_tail( &queue
->expired_timers
, ptr
);
1261 set_next_timer( queue
);
1264 /* link a timer at its rightful place in the queue list */
1265 static void link_timer( struct msg_queue
*queue
, struct timer
*timer
)
1269 for (ptr
= queue
->pending_timers
.next
; ptr
!= &queue
->pending_timers
; ptr
= ptr
->next
)
1271 struct timer
*t
= LIST_ENTRY( ptr
, struct timer
, entry
);
1272 if (t
->when
<= timer
->when
) break;
1274 list_add_before( ptr
, &timer
->entry
);
1277 /* remove a timer from the queue timer list and free it */
1278 static void free_timer( struct msg_queue
*queue
, struct timer
*timer
)
1280 list_remove( &timer
->entry
);
1282 set_next_timer( queue
);
1285 /* restart an expired timer */
1286 static void restart_timer( struct msg_queue
*queue
, struct timer
*timer
)
1288 list_remove( &timer
->entry
);
1289 while (-timer
->when
<= monotonic_time
) timer
->when
-= (timeout_t
)timer
->rate
* 10000;
1290 link_timer( queue
, timer
);
1291 set_next_timer( queue
);
1294 /* find an expired timer matching the filtering parameters */
1295 static struct timer
*find_expired_timer( struct msg_queue
*queue
, user_handle_t win
,
1296 unsigned int get_first
, unsigned int get_last
,
1301 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1303 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1304 if (win
&& timer
->win
!= win
) continue;
1305 if (check_msg_filter( timer
->msg
, get_first
, get_last
))
1307 if (remove
) restart_timer( queue
, timer
);
1315 static struct timer
*set_timer( struct msg_queue
*queue
, unsigned int rate
)
1317 struct timer
*timer
= mem_alloc( sizeof(*timer
) );
1320 timer
->rate
= max( rate
, 1 );
1321 timer
->when
= -monotonic_time
- (timeout_t
)timer
->rate
* 10000;
1322 link_timer( queue
, timer
);
1323 /* check if we replaced the next timer */
1324 if (list_head( &queue
->pending_timers
) == &timer
->entry
) set_next_timer( queue
);
1329 /* change the input key state for a given key */
1330 static void set_input_key_state( unsigned char *keystate
, unsigned char key
, int down
)
1334 if (!(keystate
[key
] & 0x80)) keystate
[key
] ^= 0x01;
1335 keystate
[key
] |= down
;
1337 else keystate
[key
] &= ~0x80;
1340 /* update the input key state for a keyboard message */
1341 static void update_input_key_state( struct desktop
*desktop
, unsigned char *keystate
,
1342 unsigned int msg
, lparam_t wparam
)
1349 case WM_LBUTTONDOWN
:
1350 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1353 set_input_key_state( keystate
, VK_LBUTTON
, down
);
1355 case WM_MBUTTONDOWN
:
1356 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1359 set_input_key_state( keystate
, VK_MBUTTON
, down
);
1361 case WM_RBUTTONDOWN
:
1362 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1365 set_input_key_state( keystate
, VK_RBUTTON
, down
);
1367 case WM_XBUTTONDOWN
:
1368 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1371 if (wparam
>> 16 == XBUTTON1
) set_input_key_state( keystate
, VK_XBUTTON1
, down
);
1372 else if (wparam
>> 16 == XBUTTON2
) set_input_key_state( keystate
, VK_XBUTTON2
, down
);
1376 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1380 key
= (unsigned char)wparam
;
1381 set_input_key_state( keystate
, key
, down
);
1386 down
= (keystate
[VK_LCONTROL
] | keystate
[VK_RCONTROL
]) & 0x80;
1387 set_input_key_state( keystate
, VK_CONTROL
, down
);
1391 down
= (keystate
[VK_LMENU
] | keystate
[VK_RMENU
]) & 0x80;
1392 set_input_key_state( keystate
, VK_MENU
, down
);
1396 down
= (keystate
[VK_LSHIFT
] | keystate
[VK_RSHIFT
]) & 0x80;
1397 set_input_key_state( keystate
, VK_SHIFT
, down
);
1404 /* update the desktop key state according to a mouse message flags */
1405 static void update_desktop_mouse_state( struct desktop
*desktop
, unsigned int flags
,
1406 int x
, int y
, lparam_t wparam
)
1408 if (flags
& MOUSEEVENTF_MOVE
)
1409 update_desktop_cursor_pos( desktop
, x
, y
);
1410 if (flags
& MOUSEEVENTF_LEFTDOWN
)
1411 update_input_key_state( desktop
, desktop
->keystate
, WM_LBUTTONDOWN
, wparam
);
1412 if (flags
& MOUSEEVENTF_LEFTUP
)
1413 update_input_key_state( desktop
, desktop
->keystate
, WM_LBUTTONUP
, wparam
);
1414 if (flags
& MOUSEEVENTF_RIGHTDOWN
)
1415 update_input_key_state( desktop
, desktop
->keystate
, WM_RBUTTONDOWN
, wparam
);
1416 if (flags
& MOUSEEVENTF_RIGHTUP
)
1417 update_input_key_state( desktop
, desktop
->keystate
, WM_RBUTTONUP
, wparam
);
1418 if (flags
& MOUSEEVENTF_MIDDLEDOWN
)
1419 update_input_key_state( desktop
, desktop
->keystate
, WM_MBUTTONDOWN
, wparam
);
1420 if (flags
& MOUSEEVENTF_MIDDLEUP
)
1421 update_input_key_state( desktop
, desktop
->keystate
, WM_MBUTTONUP
, wparam
);
1422 if (flags
& MOUSEEVENTF_XDOWN
)
1423 update_input_key_state( desktop
, desktop
->keystate
, WM_XBUTTONDOWN
, wparam
);
1424 if (flags
& MOUSEEVENTF_XUP
)
1425 update_input_key_state( desktop
, desktop
->keystate
, WM_XBUTTONUP
, wparam
);
1428 /* release the hardware message currently being processed by the given thread */
1429 static void release_hardware_message( struct msg_queue
*queue
, unsigned int hw_id
)
1431 struct thread_input
*input
= queue
->input
;
1432 struct message
*msg
, *other
;
1435 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
1437 if (msg
->unique_id
== hw_id
) break;
1439 if (&msg
->entry
== &input
->msg_list
) return; /* not found */
1441 /* clear the queue bit for that message */
1442 clr_bit
= get_hardware_msg_bit( msg
);
1443 LIST_FOR_EACH_ENTRY( other
, &input
->msg_list
, struct message
, entry
)
1445 if (other
!= msg
&& get_hardware_msg_bit( other
) == clr_bit
)
1451 if (clr_bit
) clear_queue_bits( queue
, clr_bit
);
1453 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
1454 list_remove( &msg
->entry
);
1455 free_message( msg
);
1458 static int queue_hotkey_message( struct desktop
*desktop
, struct message
*msg
)
1460 struct hotkey
*hotkey
;
1461 unsigned int modifiers
= 0;
1463 if (msg
->msg
!= WM_KEYDOWN
&& msg
->msg
!= WM_SYSKEYDOWN
) return 0;
1465 if (desktop
->keystate
[VK_MENU
] & 0x80) modifiers
|= MOD_ALT
;
1466 if (desktop
->keystate
[VK_CONTROL
] & 0x80) modifiers
|= MOD_CONTROL
;
1467 if (desktop
->keystate
[VK_SHIFT
] & 0x80) modifiers
|= MOD_SHIFT
;
1468 if ((desktop
->keystate
[VK_LWIN
] & 0x80) || (desktop
->keystate
[VK_RWIN
] & 0x80)) modifiers
|= MOD_WIN
;
1470 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
1472 if (hotkey
->vkey
!= msg
->wparam
) continue;
1473 if ((hotkey
->flags
& (MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
)) == modifiers
) goto found
;
1479 msg
->type
= MSG_POSTED
;
1480 msg
->win
= hotkey
->win
;
1481 msg
->msg
= WM_HOTKEY
;
1482 msg
->wparam
= hotkey
->id
;
1483 msg
->lparam
= ((hotkey
->vkey
& 0xffff) << 16) | modifiers
;
1489 list_add_tail( &hotkey
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
1490 set_queue_bits( hotkey
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
|QS_HOTKEY
);
1491 hotkey
->queue
->hotkey_count
++;
1495 /* find the window that should receive a given hardware message */
1496 static user_handle_t
find_hardware_message_window( struct desktop
*desktop
, struct thread_input
*input
,
1497 struct message
*msg
, unsigned int *msg_code
,
1498 struct thread
**thread
)
1500 user_handle_t win
= 0;
1503 *msg_code
= msg
->msg
;
1504 switch (get_hardware_msg_bit( msg
))
1507 if (!(win
= msg
->win
) && input
) win
= input
->focus
;
1510 if (input
&& !(win
= input
->focus
))
1512 win
= input
->active
;
1513 if (*msg_code
< WM_SYSKEYDOWN
) *msg_code
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
1517 case QS_MOUSEBUTTON
:
1518 if (!input
|| !(win
= input
->capture
))
1520 if (is_window_visible( msg
->win
) && !is_window_transparent( msg
->win
)) win
= msg
->win
;
1521 else win
= shallow_window_from_point( desktop
, msg
->x
, msg
->y
);
1522 *thread
= window_thread_from_point( win
, msg
->x
, msg
->y
);
1528 *thread
= get_window_thread( win
);
1532 static struct rawinput_device
*find_rawinput_device( struct process
*process
, unsigned short usage_page
, unsigned short usage
)
1534 struct rawinput_device
*device
, *end
;
1536 for (device
= process
->rawinput_devices
, end
= device
+ process
->rawinput_device_count
; device
!= end
; device
++)
1538 if (device
->usage_page
!= usage_page
|| device
->usage
!= usage
) continue;
1545 static void prepend_cursor_history( int x
, int y
, unsigned int time
, lparam_t info
)
1547 cursor_pos_t
*pos
= &cursor_history
[--cursor_history_latest
% ARRAY_SIZE(cursor_history
)];
1555 /* queue a hardware message into a given thread input */
1556 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
)
1559 struct thread
*thread
;
1560 struct thread_input
*input
;
1561 struct hardware_msg_data
*msg_data
= msg
->data
;
1562 unsigned int msg_code
;
1564 update_input_key_state( desktop
, desktop
->keystate
, msg
->msg
, msg
->wparam
);
1565 last_input_time
= get_tick_count();
1566 if (msg
->msg
!= WM_MOUSEMOVE
) always_queue
= 1;
1568 switch (get_hardware_msg_bit( msg
))
1571 if (queue_hotkey_message( desktop
, msg
)) return;
1572 if (desktop
->keystate
[VK_MENU
] & 0x80) msg
->lparam
|= KF_ALTDOWN
<< 16;
1573 if (msg
->wparam
== VK_SHIFT
|| msg
->wparam
== VK_LSHIFT
|| msg
->wparam
== VK_RSHIFT
)
1574 msg
->lparam
&= ~(KF_EXTENDED
<< 16);
1577 prepend_cursor_history( msg
->x
, msg
->y
, msg
->time
, msg_data
->info
);
1578 if (update_desktop_cursor_pos( desktop
, msg
->x
, msg
->y
)) always_queue
= 1;
1580 case QS_MOUSEBUTTON
:
1581 if (desktop
->keystate
[VK_LBUTTON
] & 0x80) msg
->wparam
|= MK_LBUTTON
;
1582 if (desktop
->keystate
[VK_MBUTTON
] & 0x80) msg
->wparam
|= MK_MBUTTON
;
1583 if (desktop
->keystate
[VK_RBUTTON
] & 0x80) msg
->wparam
|= MK_RBUTTON
;
1584 if (desktop
->keystate
[VK_SHIFT
] & 0x80) msg
->wparam
|= MK_SHIFT
;
1585 if (desktop
->keystate
[VK_CONTROL
] & 0x80) msg
->wparam
|= MK_CONTROL
;
1586 if (desktop
->keystate
[VK_XBUTTON1
] & 0x80) msg
->wparam
|= MK_XBUTTON1
;
1587 if (desktop
->keystate
[VK_XBUTTON2
] & 0x80) msg
->wparam
|= MK_XBUTTON2
;
1590 msg
->x
= desktop
->cursor
.x
;
1591 msg
->y
= desktop
->cursor
.y
;
1593 if (msg
->win
&& (thread
= get_window_thread( msg
->win
)))
1595 input
= thread
->queue
->input
;
1596 release_object( thread
);
1598 else input
= desktop
->foreground_input
;
1600 win
= find_hardware_message_window( desktop
, input
, msg
, &msg_code
, &thread
);
1601 if (!win
|| !thread
)
1603 if (input
) update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
1604 free_message( msg
);
1607 input
= thread
->queue
->input
;
1609 if (win
!= desktop
->cursor
.win
) always_queue
= 1;
1610 desktop
->cursor
.win
= win
;
1612 if (!always_queue
|| merge_message( input
, msg
)) free_message( msg
);
1615 msg
->unique_id
= 0; /* will be set once we return it to the app */
1616 list_add_tail( &input
->msg_list
, &msg
->entry
);
1617 set_queue_bits( thread
->queue
, get_hardware_msg_bit(msg
) );
1619 release_object( thread
);
1622 /* send the low-level hook message for a given hardware message */
1623 static int send_hook_ll_message( struct desktop
*desktop
, struct message
*hardware_msg
,
1624 const hw_input_t
*input
, struct msg_queue
*sender
)
1626 struct thread
*hook_thread
;
1627 struct msg_queue
*queue
;
1628 struct message
*msg
;
1629 timeout_t timeout
= 2000 * -10000; /* FIXME: load from registry */
1630 int id
= (input
->type
== INPUT_MOUSE
) ? WH_MOUSE_LL
: WH_KEYBOARD_LL
;
1632 if (!(hook_thread
= get_first_global_hook( id
))) return 0;
1633 if (!(queue
= hook_thread
->queue
)) return 0;
1634 if (is_queue_hung( queue
)) return 0;
1636 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1638 msg
->type
= MSG_HOOK_LL
;
1641 msg
->wparam
= hardware_msg
->msg
;
1642 msg
->x
= hardware_msg
->x
;
1643 msg
->y
= hardware_msg
->y
;
1644 msg
->time
= hardware_msg
->time
;
1645 msg
->data_size
= hardware_msg
->data_size
;
1648 if (input
->type
== INPUT_KEYBOARD
)
1650 unsigned short vkey
= input
->kbd
.vkey
;
1651 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
) vkey
= VK_PACKET
;
1652 msg
->lparam
= (input
->kbd
.scan
<< 16) | vkey
;
1654 else msg
->lparam
= input
->mouse
.data
<< 16;
1656 if (!(msg
->data
= memdup( hardware_msg
->data
, hardware_msg
->data_size
)) ||
1657 !(msg
->result
= alloc_message_result( sender
, queue
, msg
, timeout
)))
1659 free_message( msg
);
1662 msg
->result
->hardware_msg
= hardware_msg
;
1663 msg
->result
->desktop
= (struct desktop
*)grab_object( desktop
);
1664 list_add_tail( &queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
1665 set_queue_bits( queue
, QS_SENDMESSAGE
);
1669 /* get the foreground thread for a desktop and a window receiving input */
1670 static struct thread
*get_foreground_thread( struct desktop
*desktop
, user_handle_t window
)
1672 /* if desktop has no foreground process, assume the receiving window is */
1673 if (desktop
->foreground_input
) return get_window_thread( desktop
->foreground_input
->focus
);
1674 if (window
) return get_window_thread( window
);
1678 struct rawinput_message
1680 struct thread
*foreground
;
1681 struct desktop
*desktop
;
1682 struct hw_msg_source source
;
1684 unsigned int message
;
1685 struct hardware_msg_data data
;
1686 const void *hid_report
;
1689 /* check if process is supposed to receive a WM_INPUT message and eventually queue it */
1690 static int queue_rawinput_message( struct process
* process
, void *arg
)
1692 const struct rawinput_message
* raw_msg
= arg
;
1693 const struct rawinput_device
*device
= NULL
;
1694 struct desktop
*target_desktop
= NULL
, *desktop
= NULL
;
1695 struct thread
*target_thread
= NULL
, *foreground
= NULL
;
1696 struct message
*msg
;
1697 data_size_t report_size
;
1698 int wparam
= RIM_INPUT
;
1700 if (raw_msg
->data
.rawinput
.type
== RIM_TYPEMOUSE
)
1701 device
= process
->rawinput_mouse
;
1702 else if (raw_msg
->data
.rawinput
.type
== RIM_TYPEKEYBOARD
)
1703 device
= process
->rawinput_kbd
;
1705 device
= find_rawinput_device( process
, raw_msg
->data
.rawinput
.hid
.usage_page
, raw_msg
->data
.rawinput
.hid
.usage
);
1706 if (!device
) return 0;
1708 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& !(device
->flags
& RIDEV_DEVNOTIFY
)) return 0;
1710 if (raw_msg
->desktop
) desktop
= (struct desktop
*)grab_object( raw_msg
->desktop
);
1711 else if (!(desktop
= get_desktop_obj( process
, process
->desktop
, 0 ))) goto done
;
1713 if (raw_msg
->foreground
) foreground
= (struct thread
*)grab_object( raw_msg
->foreground
);
1714 else if (!(foreground
= get_foreground_thread( desktop
, 0 ))) goto done
;
1716 if (process
!= foreground
->process
)
1718 if (raw_msg
->message
== WM_INPUT
&& !(device
->flags
& RIDEV_INPUTSINK
)) goto done
;
1719 if (!(target_thread
= get_window_thread( device
->target
))) goto done
;
1720 if (!(target_desktop
= get_thread_desktop( target_thread
, 0 ))) goto done
;
1721 if (target_desktop
!= desktop
) goto done
;
1722 wparam
= RIM_INPUTSINK
;
1725 if (raw_msg
->data
.rawinput
.type
!= RIM_TYPEHID
|| !raw_msg
->hid_report
) report_size
= 0;
1726 else report_size
= raw_msg
->data
.size
- sizeof(raw_msg
->data
);
1728 if (!(msg
= alloc_hardware_message( raw_msg
->data
.info
, raw_msg
->source
, raw_msg
->time
, report_size
)))
1731 msg
->win
= device
->target
;
1732 msg
->msg
= raw_msg
->message
;
1733 msg
->wparam
= wparam
;
1735 memcpy( msg
->data
, &raw_msg
->data
, sizeof(raw_msg
->data
) );
1736 if (report_size
) memcpy( (struct hardware_msg_data
*)msg
->data
+ 1, raw_msg
->hid_report
, report_size
);
1738 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& raw_msg
->data
.rawinput
.type
== RIM_TYPEHID
)
1740 msg
->wparam
= raw_msg
->data
.rawinput
.hid
.param
;
1741 msg
->lparam
= raw_msg
->data
.rawinput
.hid
.device
;
1744 queue_hardware_message( desktop
, msg
, 1 );
1747 if (target_thread
) release_object( target_thread
);
1748 if (target_desktop
) release_object( target_desktop
);
1749 if (foreground
) release_object( foreground
);
1750 if (desktop
) release_object( desktop
);
1754 /* queue a hardware message for a mouse event */
1755 static int queue_mouse_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1756 unsigned int origin
, struct msg_queue
*sender
)
1758 const struct rawinput_device
*device
;
1759 struct hardware_msg_data
*msg_data
;
1760 struct rawinput_message raw_msg
;
1761 struct message
*msg
;
1762 struct thread
*foreground
;
1763 unsigned int i
, time
, flags
;
1764 struct hw_msg_source source
= { IMDT_MOUSE
, origin
};
1767 static const unsigned int messages
[] =
1769 WM_MOUSEMOVE
, /* 0x0001 = MOUSEEVENTF_MOVE */
1770 WM_LBUTTONDOWN
, /* 0x0002 = MOUSEEVENTF_LEFTDOWN */
1771 WM_LBUTTONUP
, /* 0x0004 = MOUSEEVENTF_LEFTUP */
1772 WM_RBUTTONDOWN
, /* 0x0008 = MOUSEEVENTF_RIGHTDOWN */
1773 WM_RBUTTONUP
, /* 0x0010 = MOUSEEVENTF_RIGHTUP */
1774 WM_MBUTTONDOWN
, /* 0x0020 = MOUSEEVENTF_MIDDLEDOWN */
1775 WM_MBUTTONUP
, /* 0x0040 = MOUSEEVENTF_MIDDLEUP */
1776 WM_XBUTTONDOWN
, /* 0x0080 = MOUSEEVENTF_XDOWN */
1777 WM_XBUTTONUP
, /* 0x0100 = MOUSEEVENTF_XUP */
1778 0, /* 0x0200 = unused */
1779 0, /* 0x0400 = unused */
1780 WM_MOUSEWHEEL
, /* 0x0800 = MOUSEEVENTF_WHEEL */
1781 WM_MOUSEHWHEEL
/* 0x1000 = MOUSEEVENTF_HWHEEL */
1784 desktop
->cursor
.last_change
= get_tick_count();
1785 flags
= input
->mouse
.flags
;
1786 time
= input
->mouse
.time
;
1787 if (!time
) time
= desktop
->cursor
.last_change
;
1789 if (flags
& MOUSEEVENTF_MOVE
)
1791 if (flags
& MOUSEEVENTF_ABSOLUTE
)
1795 if (flags
& ~(MOUSEEVENTF_MOVE
| MOUSEEVENTF_ABSOLUTE
) &&
1796 x
== desktop
->cursor
.x
&& y
== desktop
->cursor
.y
)
1797 flags
&= ~MOUSEEVENTF_MOVE
;
1801 x
= desktop
->cursor
.x
+ input
->mouse
.x
;
1802 y
= desktop
->cursor
.y
+ input
->mouse
.y
;
1807 x
= desktop
->cursor
.x
;
1808 y
= desktop
->cursor
.y
;
1811 if ((foreground
= get_foreground_thread( desktop
, win
)))
1813 memset( &raw_msg
, 0, sizeof(raw_msg
) );
1814 raw_msg
.foreground
= foreground
;
1815 raw_msg
.desktop
= desktop
;
1816 raw_msg
.source
= source
;
1817 raw_msg
.time
= time
;
1818 raw_msg
.message
= WM_INPUT
;
1820 msg_data
= &raw_msg
.data
;
1821 msg_data
->info
= input
->mouse
.info
;
1822 msg_data
->size
= sizeof(*msg_data
);
1823 msg_data
->flags
= flags
;
1824 msg_data
->rawinput
.type
= RIM_TYPEMOUSE
;
1825 msg_data
->rawinput
.mouse
.x
= x
- desktop
->cursor
.x
;
1826 msg_data
->rawinput
.mouse
.y
= y
- desktop
->cursor
.y
;
1827 msg_data
->rawinput
.mouse
.data
= input
->mouse
.data
;
1829 enum_processes( queue_rawinput_message
, &raw_msg
);
1830 release_object( foreground
);
1833 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
1835 update_desktop_mouse_state( desktop
, flags
, x
, y
, input
->mouse
.data
<< 16 );
1839 for (i
= 0; i
< ARRAY_SIZE( messages
); i
++)
1841 if (!messages
[i
]) continue;
1842 if (!(flags
& (1 << i
))) continue;
1845 if (!(msg
= alloc_hardware_message( input
->mouse
.info
, source
, time
, 0 ))) return 0;
1846 msg_data
= msg
->data
;
1848 msg
->win
= get_user_full_handle( win
);
1849 msg
->msg
= messages
[i
];
1850 msg
->wparam
= input
->mouse
.data
<< 16;
1854 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLMHF_INJECTED
;
1856 /* specify a sender only when sending the last message */
1857 if (!(flags
& ((1 << ARRAY_SIZE( messages
)) - 1)))
1859 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1860 queue_hardware_message( desktop
, msg
, 0 );
1862 else if (!send_hook_ll_message( desktop
, msg
, input
, NULL
))
1863 queue_hardware_message( desktop
, msg
, 0 );
1868 /* queue a hardware message for a keyboard event */
1869 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1870 unsigned int origin
, struct msg_queue
*sender
)
1872 struct hw_msg_source source
= { IMDT_KEYBOARD
, origin
};
1873 const struct rawinput_device
*device
;
1874 struct hardware_msg_data
*msg_data
;
1875 struct rawinput_message raw_msg
;
1876 struct message
*msg
;
1877 struct thread
*foreground
;
1878 unsigned char vkey
= input
->kbd
.vkey
;
1879 unsigned int message_code
, time
;
1882 if (!(time
= input
->kbd
.time
)) time
= get_tick_count();
1884 if (!(input
->kbd
.flags
& KEYEVENTF_UNICODE
))
1891 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RMENU
: VK_LMENU
;
1896 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RCONTROL
: VK_LCONTROL
;
1901 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RSHIFT
: VK_LSHIFT
;
1906 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_KEYUP
: WM_KEYDOWN
;
1911 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
)
1913 /* send WM_SYSKEYUP if Alt still pressed and no other key in between */
1914 /* we use 0x02 as a flag to track if some other SYSKEYUP was sent already */
1915 if ((desktop
->keystate
[VK_MENU
] & 0x82) != 0x82) break;
1916 message_code
= WM_SYSKEYUP
;
1917 desktop
->keystate
[VK_MENU
] &= ~0x02;
1921 /* send WM_SYSKEYDOWN for Alt except with Ctrl */
1922 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1923 message_code
= WM_SYSKEYDOWN
;
1924 desktop
->keystate
[VK_MENU
] |= 0x02;
1930 /* send WM_SYSKEYUP on release if Alt still pressed */
1931 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
)) break;
1932 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1933 message_code
= WM_SYSKEYUP
;
1934 desktop
->keystate
[VK_MENU
] &= ~0x02;
1938 /* send WM_SYSKEY for Alt-anykey and for F10 */
1939 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1940 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1943 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_SYSKEYUP
: WM_SYSKEYDOWN
;
1944 desktop
->keystate
[VK_MENU
] &= ~0x02;
1948 if ((foreground
= get_foreground_thread( desktop
, win
)))
1950 memset( &raw_msg
, 0, sizeof(raw_msg
) );
1951 raw_msg
.foreground
= foreground
;
1952 raw_msg
.desktop
= desktop
;
1953 raw_msg
.source
= source
;
1954 raw_msg
.time
= time
;
1955 raw_msg
.message
= WM_INPUT
;
1957 msg_data
= &raw_msg
.data
;
1958 msg_data
->info
= input
->kbd
.info
;
1959 msg_data
->size
= sizeof(*msg_data
);
1960 msg_data
->flags
= input
->kbd
.flags
;
1961 msg_data
->rawinput
.type
= RIM_TYPEKEYBOARD
;
1962 msg_data
->rawinput
.kbd
.message
= message_code
;
1963 msg_data
->rawinput
.kbd
.vkey
= vkey
;
1964 msg_data
->rawinput
.kbd
.scan
= input
->kbd
.scan
;
1966 enum_processes( queue_rawinput_message
, &raw_msg
);
1967 release_object( foreground
);
1970 if ((device
= current
->process
->rawinput_kbd
) && (device
->flags
& RIDEV_NOLEGACY
))
1972 update_input_key_state( desktop
, desktop
->keystate
, message_code
, vkey
);
1976 if (!(msg
= alloc_hardware_message( input
->kbd
.info
, source
, time
, 0 ))) return 0;
1977 msg_data
= msg
->data
;
1979 msg
->win
= get_user_full_handle( win
);
1980 msg
->msg
= message_code
;
1981 msg
->lparam
= (input
->kbd
.scan
<< 16) | 1u; /* repeat count */
1982 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLKHF_INJECTED
;
1984 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
&& !vkey
)
1986 msg
->wparam
= VK_PACKET
;
1990 unsigned int flags
= 0;
1991 if (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) flags
|= KF_EXTENDED
;
1992 /* FIXME: set KF_DLGMODE and KF_MENUMODE when needed */
1993 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
) flags
|= KF_REPEAT
| KF_UP
;
1994 else if (desktop
->keystate
[vkey
] & 0x80) flags
|= KF_REPEAT
;
1997 msg
->lparam
|= flags
<< 16;
1998 msg_data
->flags
|= (flags
& (KF_EXTENDED
| KF_ALTDOWN
| KF_UP
)) >> 8;
2001 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
2002 queue_hardware_message( desktop
, msg
, 1 );
2007 /* queue a hardware message for a custom type of event */
2008 static void queue_custom_hardware_message( struct desktop
*desktop
, user_handle_t win
,
2009 unsigned int origin
, const hw_input_t
*input
)
2011 struct hw_msg_source source
= { IMDT_UNAVAILABLE
, origin
};
2012 struct hardware_msg_data
*msg_data
;
2013 struct rawinput_message raw_msg
;
2014 struct message
*msg
;
2015 data_size_t report_size
= 0;
2017 switch (input
->hw
.msg
)
2020 case WM_INPUT_DEVICE_CHANGE
:
2021 memset( &raw_msg
, 0, sizeof(raw_msg
) );
2022 raw_msg
.source
= source
;
2023 raw_msg
.time
= get_tick_count();
2024 raw_msg
.message
= input
->hw
.msg
;
2026 if (input
->hw
.rawinput
.type
== RIM_TYPEHID
)
2028 raw_msg
.hid_report
= get_req_data();
2029 report_size
= input
->hw
.rawinput
.hid
.length
* input
->hw
.rawinput
.hid
.count
;
2032 if (report_size
!= get_req_data_size())
2034 set_error( STATUS_INVALID_PARAMETER
);
2038 msg_data
= &raw_msg
.data
;
2039 msg_data
->size
= sizeof(*msg_data
) + report_size
;
2040 msg_data
->rawinput
= input
->hw
.rawinput
;
2042 enum_processes( queue_rawinput_message
, &raw_msg
);
2046 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
2048 msg
->win
= get_user_full_handle( win
);
2049 msg
->msg
= input
->hw
.msg
;
2051 msg
->lparam
= input
->hw
.lparam
;
2052 msg
->x
= desktop
->cursor
.x
;
2053 msg
->y
= desktop
->cursor
.y
;
2055 queue_hardware_message( desktop
, msg
, 1 );
2058 /* check message filter for a hardware message */
2059 static int check_hw_message_filter( user_handle_t win
, unsigned int msg_code
,
2060 user_handle_t filter_win
, unsigned int first
, unsigned int last
)
2062 if (msg_code
>= WM_KEYFIRST
&& msg_code
<= WM_KEYLAST
)
2064 /* we can only test the window for a keyboard message since the
2065 * dest window for a mouse message depends on hittest */
2066 if (filter_win
&& win
!= filter_win
&& !is_child_window( filter_win
, win
))
2068 /* the message code is final for a keyboard message, we can simply check it */
2069 return check_msg_filter( msg_code
, first
, last
);
2071 else /* mouse message */
2073 /* we need to check all possible values that the message can have in the end */
2075 if (check_msg_filter( msg_code
, first
, last
)) return 1;
2076 if (msg_code
== WM_MOUSEWHEEL
) return 0; /* no other possible value for this one */
2078 /* all other messages can become non-client messages */
2079 if (check_msg_filter( msg_code
+ (WM_NCMOUSEFIRST
- WM_MOUSEFIRST
), first
, last
)) return 1;
2081 /* clicks can become double-clicks or non-client double-clicks */
2082 if (msg_code
== WM_LBUTTONDOWN
|| msg_code
== WM_MBUTTONDOWN
||
2083 msg_code
== WM_RBUTTONDOWN
|| msg_code
== WM_XBUTTONDOWN
)
2085 if (check_msg_filter( msg_code
+ (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2086 if (check_msg_filter( msg_code
+ (WM_NCLBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2093 /* find a hardware message for the given queue */
2094 static int get_hardware_message( struct thread
*thread
, unsigned int hw_id
, user_handle_t filter_win
,
2095 unsigned int first
, unsigned int last
, unsigned int flags
,
2096 struct get_message_reply
*reply
)
2098 struct thread_input
*input
= thread
->queue
->input
;
2099 struct thread
*win_thread
;
2102 int clear_bits
, got_one
= 0;
2103 unsigned int msg_code
;
2105 ptr
= list_head( &input
->msg_list
);
2110 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2111 if (msg
->unique_id
== hw_id
) break;
2112 ptr
= list_next( &input
->msg_list
, ptr
);
2114 if (!ptr
) ptr
= list_head( &input
->msg_list
);
2115 else ptr
= list_next( &input
->msg_list
, ptr
); /* start from the next one */
2118 if (ptr
== list_head( &input
->msg_list
))
2119 clear_bits
= QS_INPUT
;
2121 clear_bits
= 0; /* don't clear bits if we don't go through the whole list */
2125 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2126 struct hardware_msg_data
*data
= msg
->data
;
2128 ptr
= list_next( &input
->msg_list
, ptr
);
2129 win
= find_hardware_message_window( input
->desktop
, input
, msg
, &msg_code
, &win_thread
);
2130 if (!win
|| !win_thread
)
2132 /* no window at all, remove it */
2133 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
2134 list_remove( &msg
->entry
);
2135 free_message( msg
);
2138 if (win_thread
!= thread
)
2140 if (win_thread
->queue
->input
== input
)
2142 /* wake the other thread */
2143 set_queue_bits( win_thread
->queue
, get_hardware_msg_bit(msg
) );
2148 /* for another thread input, drop it */
2149 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
2150 list_remove( &msg
->entry
);
2151 free_message( msg
);
2153 release_object( win_thread
);
2156 release_object( win_thread
);
2158 /* if we already got a message for another thread, or if it doesn't
2159 * match the filter we skip it */
2160 if (got_one
|| !check_hw_message_filter( win
, msg_code
, filter_win
, first
, last
))
2162 clear_bits
&= ~get_hardware_msg_bit( msg
);
2166 reply
->total
= msg
->data_size
;
2167 if (msg
->data_size
> get_reply_max_size())
2169 set_error( STATUS_BUFFER_OVERFLOW
);
2173 /* now we can return it */
2174 if (!msg
->unique_id
) msg
->unique_id
= get_unique_id();
2175 reply
->type
= MSG_HARDWARE
;
2177 reply
->msg
= msg_code
;
2178 reply
->wparam
= msg
->wparam
;
2179 reply
->lparam
= msg
->lparam
;
2182 reply
->time
= msg
->time
;
2184 data
->hw_id
= msg
->unique_id
;
2185 set_reply_data( msg
->data
, msg
->data_size
);
2186 if (get_hardware_msg_bit( msg
) == QS_RAWINPUT
&& (flags
& PM_REMOVE
))
2187 release_hardware_message( current
->queue
, data
->hw_id
);
2190 /* nothing found, clear the hardware queue bits */
2191 clear_queue_bits( thread
->queue
, clear_bits
);
2195 /* increment (or decrement if 'incr' is negative) the queue paint count */
2196 void inc_queue_paint_count( struct thread
*thread
, int incr
)
2198 struct msg_queue
*queue
= thread
->queue
;
2202 if ((queue
->paint_count
+= incr
) < 0) queue
->paint_count
= 0;
2204 if (queue
->paint_count
)
2205 set_queue_bits( queue
, QS_PAINT
);
2207 clear_queue_bits( queue
, QS_PAINT
);
2211 /* remove all messages and timers belonging to a certain window */
2212 void queue_cleanup_window( struct thread
*thread
, user_handle_t win
)
2214 struct msg_queue
*queue
= thread
->queue
;
2222 ptr
= list_head( &queue
->pending_timers
);
2225 struct list
*next
= list_next( &queue
->pending_timers
, ptr
);
2226 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2227 if (timer
->win
== win
) free_timer( queue
, timer
);
2230 ptr
= list_head( &queue
->expired_timers
);
2233 struct list
*next
= list_next( &queue
->expired_timers
, ptr
);
2234 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2235 if (timer
->win
== win
) free_timer( queue
, timer
);
2239 /* remove messages */
2240 for (i
= 0; i
< NB_MSG_KINDS
; i
++)
2242 struct list
*ptr
, *next
;
2244 LIST_FOR_EACH_SAFE( ptr
, next
, &queue
->msg_list
[i
] )
2246 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2247 if (msg
->win
== win
)
2249 if (msg
->msg
== WM_QUIT
&& !queue
->quit_message
)
2251 queue
->quit_message
= 1;
2252 queue
->exit_code
= msg
->wparam
;
2254 remove_queue_message( queue
, msg
, i
);
2259 thread_input_cleanup_window( queue
, win
);
2262 /* post a message to a window */
2263 void post_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2265 struct message
*msg
;
2266 struct thread
*thread
= get_window_thread( win
);
2268 if (!thread
) return;
2270 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2272 msg
->type
= MSG_POSTED
;
2273 msg
->win
= get_user_full_handle( win
);
2275 msg
->wparam
= wparam
;
2276 msg
->lparam
= lparam
;
2281 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2283 list_add_tail( &thread
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2284 set_queue_bits( thread
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2285 if (message
== WM_HOTKEY
)
2287 set_queue_bits( thread
->queue
, QS_HOTKEY
);
2288 thread
->queue
->hotkey_count
++;
2291 release_object( thread
);
2294 /* send a notify message to a window */
2295 void send_notify_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2297 struct message
*msg
;
2298 struct thread
*thread
= get_window_thread( win
);
2300 if (!thread
) return;
2302 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2304 msg
->type
= MSG_NOTIFY
;
2305 msg
->win
= get_user_full_handle( win
);
2307 msg
->wparam
= wparam
;
2308 msg
->lparam
= lparam
;
2313 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2315 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2316 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2318 release_object( thread
);
2321 /* post a win event */
2322 void post_win_event( struct thread
*thread
, unsigned int event
,
2323 user_handle_t win
, unsigned int object_id
,
2324 unsigned int child_id
, client_ptr_t hook_proc
,
2325 const WCHAR
*module
, data_size_t module_size
,
2328 struct message
*msg
;
2330 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2332 struct winevent_msg_data
*data
;
2334 msg
->type
= MSG_WINEVENT
;
2335 msg
->win
= get_user_full_handle( win
);
2337 msg
->wparam
= object_id
;
2338 msg
->lparam
= child_id
;
2339 msg
->time
= get_tick_count();
2342 if ((data
= malloc( sizeof(*data
) + module_size
)))
2345 data
->tid
= get_thread_id( current
);
2346 data
->hook_proc
= hook_proc
;
2347 memcpy( data
+ 1, module
, module_size
);
2350 msg
->data_size
= sizeof(*data
) + module_size
;
2352 if (debug_level
> 1)
2353 fprintf( stderr
, "post_win_event: tid %04x event %04x win %08x object_id %d child_id %d\n",
2354 get_thread_id(thread
), event
, win
, object_id
, child_id
);
2355 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2356 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2363 /* free all hotkeys on a desktop, optionally filtering by window */
2364 void free_hotkeys( struct desktop
*desktop
, user_handle_t window
)
2366 struct hotkey
*hotkey
, *hotkey2
;
2368 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &desktop
->hotkeys
, struct hotkey
, entry
)
2370 if (!window
|| hotkey
->win
== window
)
2372 list_remove( &hotkey
->entry
);
2379 /* check if the thread owning the window is hung */
2380 DECL_HANDLER(is_window_hung
)
2382 struct thread
*thread
;
2384 thread
= get_window_thread( req
->win
);
2387 reply
->is_hung
= is_queue_hung( thread
->queue
);
2388 release_object( thread
);
2390 else reply
->is_hung
= 0;
2394 /* get the message queue of the current thread */
2395 DECL_HANDLER(get_msg_queue
)
2397 struct msg_queue
*queue
= get_current_queue();
2400 if (queue
) reply
->handle
= alloc_handle( current
->process
, queue
, SYNCHRONIZE
, 0 );
2404 /* set the file descriptor associated to the current thread queue */
2405 DECL_HANDLER(set_queue_fd
)
2407 struct msg_queue
*queue
= get_current_queue();
2411 if (queue
->fd
) /* fd can only be set once */
2413 set_error( STATUS_ACCESS_DENIED
);
2416 if (!(file
= get_file_obj( current
->process
, req
->handle
, SYNCHRONIZE
))) return;
2418 if ((unix_fd
= get_file_unix_fd( file
)) != -1)
2420 if ((unix_fd
= dup( unix_fd
)) != -1)
2421 queue
->fd
= create_anonymous_fd( &msg_queue_fd_ops
, unix_fd
, &queue
->obj
, 0 );
2425 release_object( file
);
2429 /* set the current message queue wakeup mask */
2430 DECL_HANDLER(set_queue_mask
)
2432 struct msg_queue
*queue
= get_current_queue();
2436 queue
->wake_mask
= req
->wake_mask
;
2437 queue
->changed_mask
= req
->changed_mask
;
2438 reply
->wake_bits
= queue
->wake_bits
;
2439 reply
->changed_bits
= queue
->changed_bits
;
2440 if (is_signaled( queue
))
2442 /* if skip wait is set, do what would have been done in the subsequent wait */
2443 if (req
->skip_wait
) queue
->wake_mask
= queue
->changed_mask
= 0;
2444 else wake_up( &queue
->obj
, 0 );
2450 /* get the current message queue status */
2451 DECL_HANDLER(get_queue_status
)
2453 struct msg_queue
*queue
= current
->queue
;
2456 reply
->wake_bits
= queue
->wake_bits
;
2457 reply
->changed_bits
= queue
->changed_bits
;
2458 queue
->changed_bits
&= ~req
->clear_bits
;
2460 else reply
->wake_bits
= reply
->changed_bits
= 0;
2464 /* send a message to a thread queue */
2465 DECL_HANDLER(send_message
)
2467 struct message
*msg
;
2468 struct msg_queue
*send_queue
= get_current_queue();
2469 struct msg_queue
*recv_queue
= NULL
;
2470 struct thread
*thread
= NULL
;
2472 if (!(thread
= get_thread_from_id( req
->id
))) return;
2474 if (!(recv_queue
= thread
->queue
))
2476 set_error( STATUS_INVALID_PARAMETER
);
2477 release_object( thread
);
2480 if ((req
->flags
& SEND_MSG_ABORT_IF_HUNG
) && is_queue_hung(recv_queue
))
2482 set_error( STATUS_TIMEOUT
);
2483 release_object( thread
);
2487 if ((msg
= mem_alloc( sizeof(*msg
) )))
2489 msg
->type
= req
->type
;
2490 msg
->win
= get_user_full_handle( req
->win
);
2491 msg
->msg
= req
->msg
;
2492 msg
->wparam
= req
->wparam
;
2493 msg
->lparam
= req
->lparam
;
2496 msg
->data_size
= get_req_data_size();
2498 get_message_defaults( recv_queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2500 if (msg
->data_size
&& !(msg
->data
= memdup( get_req_data(), msg
->data_size
)))
2503 release_object( thread
);
2509 case MSG_OTHER_PROCESS
:
2513 if (!(msg
->result
= alloc_message_result( send_queue
, recv_queue
, msg
, req
->timeout
)))
2515 free_message( msg
);
2520 list_add_tail( &recv_queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2521 set_queue_bits( recv_queue
, QS_SENDMESSAGE
);
2524 list_add_tail( &recv_queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2525 set_queue_bits( recv_queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2526 if (msg
->msg
== WM_HOTKEY
)
2528 set_queue_bits( recv_queue
, QS_HOTKEY
);
2529 recv_queue
->hotkey_count
++;
2532 case MSG_HARDWARE
: /* should use send_hardware_message instead */
2533 case MSG_CALLBACK_RESULT
: /* cannot send this one */
2534 case MSG_HOOK_LL
: /* generated internally */
2536 set_error( STATUS_INVALID_PARAMETER
);
2541 release_object( thread
);
2544 /* send a hardware message to a thread queue */
2545 DECL_HANDLER(send_hardware_message
)
2547 struct thread
*thread
= NULL
;
2548 struct desktop
*desktop
;
2549 unsigned int origin
= (req
->flags
& SEND_HWMSG_INJECTED
? IMO_INJECTED
: IMO_HARDWARE
);
2550 struct msg_queue
*sender
= get_current_queue();
2552 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2556 if (!(thread
= get_window_thread( req
->win
))) return;
2557 if (desktop
!= thread
->queue
->input
->desktop
)
2559 /* don't allow queuing events to a different desktop */
2560 release_object( desktop
);
2565 reply
->prev_x
= desktop
->cursor
.x
;
2566 reply
->prev_y
= desktop
->cursor
.y
;
2568 switch (req
->input
.type
)
2571 reply
->wait
= queue_mouse_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2573 case INPUT_KEYBOARD
:
2574 reply
->wait
= queue_keyboard_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2576 case INPUT_HARDWARE
:
2577 queue_custom_hardware_message( desktop
, req
->win
, origin
, &req
->input
);
2580 set_error( STATUS_INVALID_PARAMETER
);
2582 if (thread
) release_object( thread
);
2584 reply
->new_x
= desktop
->cursor
.x
;
2585 reply
->new_y
= desktop
->cursor
.y
;
2586 release_object( desktop
);
2589 /* post a quit message to the current queue */
2590 DECL_HANDLER(post_quit_message
)
2592 struct msg_queue
*queue
= get_current_queue();
2597 queue
->quit_message
= 1;
2598 queue
->exit_code
= req
->exit_code
;
2599 set_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2602 /* get a message from the current queue */
2603 DECL_HANDLER(get_message
)
2605 struct timer
*timer
;
2607 struct msg_queue
*queue
= get_current_queue();
2608 user_handle_t get_win
= get_user_full_handle( req
->get_win
);
2609 unsigned int filter
= req
->flags
>> 16;
2611 reply
->active_hooks
= get_active_hooks();
2613 if (get_win
&& get_win
!= 1 && get_win
!= -1 && !get_user_object( get_win
, USER_WINDOW
))
2615 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2620 queue
->last_get_msg
= current_time
;
2621 if (!filter
) filter
= QS_ALLINPUT
;
2623 /* first check for sent messages */
2624 if ((ptr
= list_head( &queue
->msg_list
[SEND_MESSAGE
] )))
2626 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2627 receive_message( queue
, msg
, reply
);
2631 /* clear changed bits so we can wait on them if we don't find a message */
2632 if (filter
& QS_POSTMESSAGE
)
2634 queue
->changed_bits
&= ~(QS_POSTMESSAGE
| QS_HOTKEY
| QS_TIMER
);
2635 if (req
->get_first
== 0 && req
->get_last
== ~0U) queue
->changed_bits
&= ~QS_ALLPOSTMESSAGE
;
2637 if (filter
& QS_INPUT
) queue
->changed_bits
&= ~QS_INPUT
;
2638 if (filter
& QS_PAINT
) queue
->changed_bits
&= ~QS_PAINT
;
2640 /* then check for posted messages */
2641 if ((filter
& QS_POSTMESSAGE
) &&
2642 get_posted_message( queue
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2645 if ((filter
& QS_HOTKEY
) && queue
->hotkey_count
&&
2646 req
->get_first
<= WM_HOTKEY
&& req
->get_last
>= WM_HOTKEY
&&
2647 get_posted_message( queue
, get_win
, WM_HOTKEY
, WM_HOTKEY
, req
->flags
, reply
))
2650 /* only check for quit messages if not posted messages pending */
2651 if ((filter
& QS_POSTMESSAGE
) && get_quit_message( queue
, req
->flags
, reply
))
2654 /* then check for any raw hardware message */
2655 if ((filter
& QS_INPUT
) &&
2656 filter_contains_hw_range( req
->get_first
, req
->get_last
) &&
2657 get_hardware_message( current
, req
->hw_id
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2660 /* now check for WM_PAINT */
2661 if ((filter
& QS_PAINT
) &&
2662 queue
->paint_count
&&
2663 check_msg_filter( WM_PAINT
, req
->get_first
, req
->get_last
) &&
2664 (reply
->win
= find_window_to_repaint( get_win
, current
)))
2666 reply
->type
= MSG_POSTED
;
2667 reply
->msg
= WM_PAINT
;
2670 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2674 /* now check for timer */
2675 if ((filter
& QS_TIMER
) &&
2676 (timer
= find_expired_timer( queue
, get_win
, req
->get_first
,
2677 req
->get_last
, (req
->flags
& PM_REMOVE
) )))
2679 reply
->type
= MSG_POSTED
;
2680 reply
->win
= timer
->win
;
2681 reply
->msg
= timer
->msg
;
2682 reply
->wparam
= timer
->id
;
2683 reply
->lparam
= timer
->lparam
;
2684 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2685 if (!(req
->flags
& PM_NOYIELD
) && current
->process
->idle_event
)
2686 set_event( current
->process
->idle_event
);
2690 if (get_win
== -1 && current
->process
->idle_event
) set_event( current
->process
->idle_event
);
2691 queue
->wake_mask
= req
->wake_mask
;
2692 queue
->changed_mask
= req
->changed_mask
;
2693 set_error( STATUS_PENDING
); /* FIXME */
2697 /* reply to a sent message */
2698 DECL_HANDLER(reply_message
)
2700 if (!current
->queue
) set_error( STATUS_ACCESS_DENIED
);
2701 else if (current
->queue
->recv_result
)
2702 reply_message( current
->queue
, req
->result
, 0, req
->remove
,
2703 get_req_data(), get_req_data_size() );
2707 /* accept the current hardware message */
2708 DECL_HANDLER(accept_hardware_message
)
2711 release_hardware_message( current
->queue
, req
->hw_id
);
2713 set_error( STATUS_ACCESS_DENIED
);
2717 /* retrieve the reply for the last message sent */
2718 DECL_HANDLER(get_message_reply
)
2720 struct message_result
*result
;
2722 struct msg_queue
*queue
= current
->queue
;
2726 set_error( STATUS_PENDING
);
2729 if (!(entry
= list_head( &queue
->send_result
))) return; /* no reply ready */
2731 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2732 if (result
->replied
|| req
->cancel
)
2734 if (result
->replied
)
2736 reply
->result
= result
->result
;
2737 set_error( result
->error
);
2740 data_size_t data_len
= min( result
->data_size
, get_reply_max_size() );
2741 set_reply_data_ptr( result
->data
, data_len
);
2742 result
->data
= NULL
;
2743 result
->data_size
= 0;
2746 remove_result_from_sender( result
);
2748 entry
= list_head( &queue
->send_result
);
2749 if (!entry
) clear_queue_bits( queue
, QS_SMRESULT
);
2752 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2753 if (result
->replied
) set_queue_bits( queue
, QS_SMRESULT
);
2754 else clear_queue_bits( queue
, QS_SMRESULT
);
2758 else set_error( STATUS_ACCESS_DENIED
);
2762 /* set a window timer */
2763 DECL_HANDLER(set_win_timer
)
2765 struct timer
*timer
;
2766 struct msg_queue
*queue
;
2767 struct thread
*thread
= NULL
;
2768 user_handle_t win
= 0;
2769 lparam_t id
= req
->id
;
2773 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2775 set_error( STATUS_INVALID_HANDLE
);
2778 if (thread
->process
!= current
->process
)
2780 release_object( thread
);
2781 set_error( STATUS_ACCESS_DENIED
);
2784 queue
= thread
->queue
;
2785 /* remove it if it existed already */
2786 if ((timer
= find_timer( queue
, win
, req
->msg
, id
))) free_timer( queue
, timer
);
2790 queue
= get_current_queue();
2791 /* look for a timer with this id */
2792 if (id
&& (timer
= find_timer( queue
, 0, req
->msg
, id
)))
2794 /* free and reuse id */
2795 free_timer( queue
, timer
);
2799 lparam_t end_id
= queue
->next_timer_id
;
2801 /* find a free id for it */
2804 id
= queue
->next_timer_id
;
2805 if (--queue
->next_timer_id
<= 0x100) queue
->next_timer_id
= 0x7fff;
2807 if (!find_timer( queue
, 0, req
->msg
, id
)) break;
2808 if (queue
->next_timer_id
== end_id
)
2810 set_win32_error( ERROR_NO_MORE_USER_HANDLES
);
2817 if ((timer
= set_timer( queue
, req
->rate
)))
2820 timer
->msg
= req
->msg
;
2822 timer
->lparam
= req
->lparam
;
2825 if (thread
) release_object( thread
);
2828 /* kill a window timer */
2829 DECL_HANDLER(kill_win_timer
)
2831 struct timer
*timer
;
2832 struct thread
*thread
;
2833 user_handle_t win
= 0;
2837 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2839 set_error( STATUS_INVALID_HANDLE
);
2842 if (thread
->process
!= current
->process
)
2844 release_object( thread
);
2845 set_error( STATUS_ACCESS_DENIED
);
2849 else thread
= (struct thread
*)grab_object( current
);
2851 if (thread
->queue
&& (timer
= find_timer( thread
->queue
, win
, req
->msg
, req
->id
)))
2852 free_timer( thread
->queue
, timer
);
2854 set_error( STATUS_INVALID_PARAMETER
);
2856 release_object( thread
);
2859 DECL_HANDLER(register_hotkey
)
2861 struct desktop
*desktop
;
2862 user_handle_t win_handle
= req
->window
;
2863 struct hotkey
*hotkey
;
2864 struct hotkey
*new_hotkey
= NULL
;
2865 struct thread
*thread
;
2866 const int modifier_flags
= MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
;
2868 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2872 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2874 release_object( desktop
);
2878 thread
= get_window_thread( win_handle
);
2879 if (thread
) release_object( thread
);
2881 if (thread
!= current
)
2883 release_object( desktop
);
2884 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2889 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2891 if (req
->vkey
== hotkey
->vkey
&&
2892 (req
->flags
& modifier_flags
) == (hotkey
->flags
& modifier_flags
))
2894 release_object( desktop
);
2895 set_win32_error( ERROR_HOTKEY_ALREADY_REGISTERED
);
2898 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2899 new_hotkey
= hotkey
;
2904 reply
->replaced
= 1;
2905 reply
->flags
= new_hotkey
->flags
;
2906 reply
->vkey
= new_hotkey
->vkey
;
2910 new_hotkey
= mem_alloc( sizeof(*new_hotkey
) );
2913 list_add_tail( &desktop
->hotkeys
, &new_hotkey
->entry
);
2914 new_hotkey
->queue
= current
->queue
;
2915 new_hotkey
->win
= win_handle
;
2916 new_hotkey
->id
= req
->id
;
2922 new_hotkey
->flags
= req
->flags
;
2923 new_hotkey
->vkey
= req
->vkey
;
2926 release_object( desktop
);
2929 DECL_HANDLER(unregister_hotkey
)
2931 struct desktop
*desktop
;
2932 user_handle_t win_handle
= req
->window
;
2933 struct hotkey
*hotkey
;
2934 struct thread
*thread
;
2936 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2940 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2942 release_object( desktop
);
2946 thread
= get_window_thread( win_handle
);
2947 if (thread
) release_object( thread
);
2949 if (thread
!= current
)
2951 release_object( desktop
);
2952 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2957 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2959 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2963 release_object( desktop
);
2964 set_win32_error( ERROR_HOTKEY_NOT_REGISTERED
);
2968 reply
->flags
= hotkey
->flags
;
2969 reply
->vkey
= hotkey
->vkey
;
2970 list_remove( &hotkey
->entry
);
2972 release_object( desktop
);
2975 /* attach (or detach) thread inputs */
2976 DECL_HANDLER(attach_thread_input
)
2978 struct thread
*thread_from
= get_thread_from_id( req
->tid_from
);
2979 struct thread
*thread_to
= get_thread_from_id( req
->tid_to
);
2981 if (!thread_from
|| !thread_to
)
2983 if (thread_from
) release_object( thread_from
);
2984 if (thread_to
) release_object( thread_to
);
2987 if (thread_from
!= thread_to
)
2991 if ((thread_to
->queue
|| thread_to
== current
) &&
2992 (thread_from
->queue
|| thread_from
== current
))
2993 attach_thread_input( thread_from
, thread_to
);
2995 set_error( STATUS_INVALID_PARAMETER
);
2999 if (thread_from
->queue
&& thread_to
->queue
&&
3000 thread_from
->queue
->input
== thread_to
->queue
->input
)
3001 detach_thread_input( thread_from
);
3003 set_error( STATUS_ACCESS_DENIED
);
3006 else set_error( STATUS_ACCESS_DENIED
);
3007 release_object( thread_from
);
3008 release_object( thread_to
);
3012 /* get thread input data */
3013 DECL_HANDLER(get_thread_input
)
3015 struct thread
*thread
= NULL
;
3016 struct desktop
*desktop
;
3017 struct thread_input
*input
;
3021 if (!(thread
= get_thread_from_id( req
->tid
))) return;
3022 if (!(desktop
= get_thread_desktop( thread
, 0 )))
3024 release_object( thread
);
3027 input
= thread
->queue
? thread
->queue
->input
: NULL
;
3031 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3032 input
= desktop
->foreground_input
; /* get the foreground thread info */
3037 reply
->focus
= input
->focus
;
3038 reply
->capture
= input
->capture
;
3039 reply
->active
= input
->active
;
3040 reply
->menu_owner
= input
->menu_owner
;
3041 reply
->move_size
= input
->move_size
;
3042 reply
->caret
= input
->caret
;
3043 reply
->cursor
= input
->cursor
;
3044 reply
->show_count
= input
->cursor_count
;
3045 reply
->rect
= input
->caret_rect
;
3048 /* foreground window is active window of foreground thread */
3049 reply
->foreground
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
3050 if (thread
) release_object( thread
);
3051 release_object( desktop
);
3055 /* retrieve queue keyboard state for current thread or global async state */
3056 DECL_HANDLER(get_key_state
)
3058 struct desktop
*desktop
;
3059 data_size_t size
= min( 256, get_reply_max_size() );
3061 if (req
->async
) /* get global async key state */
3063 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3066 reply
->state
= desktop
->keystate
[req
->key
& 0xff];
3067 desktop
->keystate
[req
->key
& 0xff] &= ~0x40;
3069 set_reply_data( desktop
->keystate
, size
);
3070 release_object( desktop
);
3074 struct msg_queue
*queue
= get_current_queue();
3075 unsigned char *keystate
= queue
->input
->keystate
;
3078 sync_input_keystate( queue
->input
);
3079 reply
->state
= keystate
[req
->key
& 0xff];
3081 set_reply_data( keystate
, size
);
3086 /* set queue keyboard state for current thread */
3087 DECL_HANDLER(set_key_state
)
3089 struct desktop
*desktop
;
3090 struct msg_queue
*queue
= get_current_queue();
3091 data_size_t size
= min( 256, get_req_data_size() );
3093 memcpy( queue
->input
->keystate
, get_req_data(), size
);
3094 memcpy( queue
->input
->desktop_keystate
, queue
->input
->desktop
->keystate
, 256 );
3095 if (req
->async
&& (desktop
= get_thread_desktop( current
, 0 )))
3097 memcpy( desktop
->keystate
, get_req_data(), size
);
3098 release_object( desktop
);
3103 /* set the system foreground window */
3104 DECL_HANDLER(set_foreground_window
)
3106 struct thread
*thread
= NULL
;
3107 struct desktop
*desktop
;
3108 struct msg_queue
*queue
= get_current_queue();
3110 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3111 reply
->previous
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
3112 reply
->send_msg_old
= (reply
->previous
&& desktop
->foreground_input
!= queue
->input
);
3113 reply
->send_msg_new
= FALSE
;
3115 if (is_valid_foreground_window( req
->handle
) &&
3116 (thread
= get_window_thread( req
->handle
)) &&
3117 thread
->queue
->input
->desktop
== desktop
)
3119 set_foreground_input( desktop
, thread
->queue
->input
);
3120 reply
->send_msg_new
= (desktop
->foreground_input
!= queue
->input
);
3122 else set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
3124 if (thread
) release_object( thread
);
3125 release_object( desktop
);
3129 /* set the current thread focus window */
3130 DECL_HANDLER(set_focus_window
)
3132 struct msg_queue
*queue
= get_current_queue();
3134 reply
->previous
= 0;
3135 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3137 reply
->previous
= queue
->input
->focus
;
3138 queue
->input
->focus
= get_user_full_handle( req
->handle
);
3143 /* set the current thread active window */
3144 DECL_HANDLER(set_active_window
)
3146 struct msg_queue
*queue
= get_current_queue();
3148 reply
->previous
= 0;
3149 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3151 if (!req
->handle
|| make_window_active( req
->handle
))
3153 reply
->previous
= queue
->input
->active
;
3154 queue
->input
->active
= get_user_full_handle( req
->handle
);
3156 else set_error( STATUS_INVALID_HANDLE
);
3161 /* set the current thread capture window */
3162 DECL_HANDLER(set_capture_window
)
3164 struct msg_queue
*queue
= get_current_queue();
3166 reply
->previous
= reply
->full_handle
= 0;
3167 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3169 struct thread_input
*input
= queue
->input
;
3171 /* if in menu mode, reject all requests to change focus, except if the menu bit is set */
3172 if (input
->menu_owner
&& !(req
->flags
& CAPTURE_MENU
))
3174 set_error(STATUS_ACCESS_DENIED
);
3177 reply
->previous
= input
->capture
;
3178 input
->capture
= get_user_full_handle( req
->handle
);
3179 input
->menu_owner
= (req
->flags
& CAPTURE_MENU
) ? input
->capture
: 0;
3180 input
->move_size
= (req
->flags
& CAPTURE_MOVESIZE
) ? input
->capture
: 0;
3181 reply
->full_handle
= input
->capture
;
3186 /* Set the current thread caret window */
3187 DECL_HANDLER(set_caret_window
)
3189 struct msg_queue
*queue
= get_current_queue();
3191 reply
->previous
= 0;
3192 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3194 struct thread_input
*input
= queue
->input
;
3196 reply
->previous
= input
->caret
;
3197 reply
->old_rect
= input
->caret_rect
;
3198 reply
->old_hide
= input
->caret_hide
;
3199 reply
->old_state
= input
->caret_state
;
3201 set_caret_window( input
, get_user_full_handle(req
->handle
) );
3202 input
->caret_rect
.right
= input
->caret_rect
.left
+ req
->width
;
3203 input
->caret_rect
.bottom
= input
->caret_rect
.top
+ req
->height
;
3208 /* Set the current thread caret information */
3209 DECL_HANDLER(set_caret_info
)
3211 struct msg_queue
*queue
= get_current_queue();
3212 struct thread_input
*input
;
3215 input
= queue
->input
;
3216 reply
->full_handle
= input
->caret
;
3217 reply
->old_rect
= input
->caret_rect
;
3218 reply
->old_hide
= input
->caret_hide
;
3219 reply
->old_state
= input
->caret_state
;
3221 if (req
->handle
&& get_user_full_handle(req
->handle
) != input
->caret
)
3223 set_error( STATUS_ACCESS_DENIED
);
3226 if (req
->flags
& SET_CARET_POS
)
3228 input
->caret_rect
.right
+= req
->x
- input
->caret_rect
.left
;
3229 input
->caret_rect
.bottom
+= req
->y
- input
->caret_rect
.top
;
3230 input
->caret_rect
.left
= req
->x
;
3231 input
->caret_rect
.top
= req
->y
;
3233 if (req
->flags
& SET_CARET_HIDE
)
3235 input
->caret_hide
+= req
->hide
;
3236 if (input
->caret_hide
< 0) input
->caret_hide
= 0;
3238 if (req
->flags
& SET_CARET_STATE
)
3242 case CARET_STATE_OFF
: input
->caret_state
= 0; break;
3243 case CARET_STATE_ON
: input
->caret_state
= 1; break;
3244 case CARET_STATE_TOGGLE
: input
->caret_state
= !input
->caret_state
; break;
3245 case CARET_STATE_ON_IF_MOVED
:
3246 if (req
->x
!= reply
->old_rect
.left
|| req
->y
!= reply
->old_rect
.top
) input
->caret_state
= 1;
3253 /* get the time of the last input event */
3254 DECL_HANDLER(get_last_input_time
)
3256 reply
->time
= last_input_time
;
3259 /* set/get the current cursor */
3260 DECL_HANDLER(set_cursor
)
3262 struct msg_queue
*queue
= get_current_queue();
3263 struct thread_input
*input
;
3264 struct desktop
*desktop
;
3267 input
= queue
->input
;
3268 desktop
= input
->desktop
;
3270 reply
->prev_handle
= input
->cursor
;
3271 reply
->prev_count
= input
->cursor_count
;
3272 reply
->prev_x
= desktop
->cursor
.x
;
3273 reply
->prev_y
= desktop
->cursor
.y
;
3275 if (req
->flags
& SET_CURSOR_HANDLE
)
3277 if (req
->handle
&& !get_user_object( req
->handle
, USER_CLIENT
))
3279 set_win32_error( ERROR_INVALID_CURSOR_HANDLE
);
3282 input
->cursor
= req
->handle
;
3284 if (req
->flags
& SET_CURSOR_COUNT
)
3286 queue
->cursor_count
+= req
->show_count
;
3287 input
->cursor_count
+= req
->show_count
;
3289 if (req
->flags
& SET_CURSOR_POS
) set_cursor_pos( desktop
, req
->x
, req
->y
);
3290 if (req
->flags
& SET_CURSOR_CLIP
) set_clip_rectangle( desktop
, &req
->clip
, 0 );
3291 if (req
->flags
& SET_CURSOR_NOCLIP
) set_clip_rectangle( desktop
, NULL
, 0 );
3293 reply
->new_x
= desktop
->cursor
.x
;
3294 reply
->new_y
= desktop
->cursor
.y
;
3295 reply
->new_clip
= desktop
->cursor
.clip
;
3296 reply
->last_change
= desktop
->cursor
.last_change
;
3299 /* Get the history of the 64 last cursor positions */
3300 DECL_HANDLER(get_cursor_history
)
3303 unsigned int i
, count
= min( 64, get_reply_max_size() / sizeof(*pos
) );
3305 if ((pos
= set_reply_data_size( count
* sizeof(*pos
) )))
3306 for (i
= 0; i
< count
; i
++)
3307 pos
[i
] = cursor_history
[(i
+ cursor_history_latest
) % ARRAY_SIZE(cursor_history
)];
3310 DECL_HANDLER(get_rawinput_buffer
)
3312 struct thread_input
*input
= current
->queue
->input
;
3313 data_size_t size
= 0, next_size
= 0, pos
= 0;
3316 int count
= 0, buf_size
= 16 * sizeof(struct hardware_msg_data
);
3318 if (!req
->buffer_size
) buf
= NULL
;
3319 else if (!(buf
= mem_alloc( buf_size
))) return;
3321 ptr
= list_head( &input
->msg_list
);
3324 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
3325 struct hardware_msg_data
*data
= msg
->data
;
3326 data_size_t extra_size
= data
->size
- sizeof(*data
);
3328 ptr
= list_next( &input
->msg_list
, ptr
);
3329 if (msg
->msg
!= WM_INPUT
) continue;
3331 next_size
= req
->rawinput_size
+ extra_size
;
3332 if (size
+ next_size
> req
->buffer_size
) break;
3333 if (pos
+ data
->size
> get_reply_max_size()) break;
3334 if (pos
+ data
->size
> buf_size
)
3336 buf_size
+= buf_size
/ 2 + extra_size
;
3337 if (!(tmp
= realloc( buf
, buf_size
)))
3340 set_error( STATUS_NO_MEMORY
);
3346 memcpy( buf
+ pos
, data
, data
->size
);
3347 list_remove( &msg
->entry
);
3348 free_message( msg
);
3351 pos
+= sizeof(*data
) + extra_size
;
3355 reply
->next_size
= next_size
;
3356 reply
->count
= count
;
3357 set_reply_data_ptr( buf
, pos
);
3360 DECL_HANDLER(update_rawinput_devices
)
3362 const struct rawinput_device
*tmp
, *devices
= get_req_data();
3363 unsigned int device_count
= get_req_data_size() / sizeof (*devices
);
3364 size_t size
= device_count
* sizeof(*devices
);
3365 struct process
*process
= current
->process
;
3369 process
->rawinput_device_count
= 0;
3370 process
->rawinput_mouse
= NULL
;
3371 process
->rawinput_kbd
= NULL
;
3375 if (!(tmp
= realloc( process
->rawinput_devices
, size
)))
3377 set_error( STATUS_NO_MEMORY
);
3380 process
->rawinput_devices
= (struct rawinput_device
*)tmp
;
3381 process
->rawinput_device_count
= device_count
;
3382 memcpy( process
->rawinput_devices
, devices
, size
);
3384 process
->rawinput_mouse
= find_rawinput_device( process
, 1, 2 );
3385 process
->rawinput_kbd
= find_rawinput_device( process
, 1, 6 );