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
22 #include "wine/port.h"
33 #define WIN32_NO_STATUS
47 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
48 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
50 enum message_kind
{ SEND_MESSAGE
, POST_MESSAGE
};
51 #define NB_MSG_KINDS (POST_MESSAGE+1)
56 struct list sender_entry
; /* entry in sender list */
57 struct message
*msg
; /* message the result is for */
58 struct message_result
*recv_next
; /* next in receiver list */
59 struct msg_queue
*sender
; /* sender queue */
60 struct msg_queue
*receiver
; /* receiver queue */
61 int replied
; /* has it been replied to? */
62 unsigned int error
; /* error code to pass back to sender */
63 lparam_t result
; /* reply result */
64 struct message
*hardware_msg
; /* hardware message if low-level hook result */
65 struct desktop
*desktop
; /* desktop for hardware message */
66 struct message
*callback_msg
; /* message to queue for callback */
67 void *data
; /* message reply data */
68 unsigned int data_size
; /* size of message reply data */
69 struct timeout_user
*timeout
; /* result timeout */
74 struct list entry
; /* entry in message list */
75 enum message_type type
; /* message type */
76 user_handle_t win
; /* window handle */
77 unsigned int msg
; /* message code */
78 lparam_t wparam
; /* parameters */
79 lparam_t lparam
; /* parameters */
80 int x
; /* message position */
82 unsigned int time
; /* message time */
83 void *data
; /* message data for sent messages */
84 unsigned int data_size
; /* size of message data */
85 unsigned int unique_id
; /* unique id for nested hw message waits */
86 struct message_result
*result
; /* result in sender queue */
91 struct list entry
; /* entry in timer list */
92 abstime_t when
; /* next expiration */
93 unsigned int rate
; /* timer rate in ms */
94 user_handle_t win
; /* window handle */
95 unsigned int msg
; /* message to post */
96 lparam_t id
; /* timer id */
97 lparam_t lparam
; /* lparam for message */
102 struct object obj
; /* object header */
103 struct desktop
*desktop
; /* desktop that this thread input belongs to */
104 user_handle_t focus
; /* focus window */
105 user_handle_t capture
; /* capture window */
106 user_handle_t active
; /* active window */
107 user_handle_t menu_owner
; /* current menu owner window */
108 user_handle_t move_size
; /* current moving/resizing window */
109 user_handle_t caret
; /* caret window */
110 rectangle_t caret_rect
; /* caret rectangle */
111 int caret_hide
; /* caret hide count */
112 int caret_state
; /* caret on/off state */
113 user_handle_t cursor
; /* current cursor */
114 int cursor_count
; /* cursor show count */
115 struct list msg_list
; /* list of hardware messages */
116 unsigned char keystate
[256]; /* state of each key */
121 struct object obj
; /* object header */
122 struct fd
*fd
; /* optional file descriptor to poll */
123 unsigned int wake_bits
; /* wakeup bits */
124 unsigned int wake_mask
; /* wakeup mask */
125 unsigned int changed_bits
; /* changed wakeup bits */
126 unsigned int changed_mask
; /* changed wakeup mask */
127 int paint_count
; /* pending paint messages count */
128 int hotkey_count
; /* pending hotkey messages count */
129 int quit_message
; /* is there a pending quit message? */
130 int exit_code
; /* exit code of pending quit message */
131 int cursor_count
; /* per-queue cursor show count */
132 struct list msg_list
[NB_MSG_KINDS
]; /* lists of messages */
133 struct list send_result
; /* stack of sent messages waiting for result */
134 struct list callback_result
; /* list of callback messages waiting for result */
135 struct message_result
*recv_result
; /* stack of received messages waiting for result */
136 struct list pending_timers
; /* list of pending timers */
137 struct list expired_timers
; /* list of expired timers */
138 lparam_t next_timer_id
; /* id for the next timer with a 0 window */
139 struct timeout_user
*timeout
; /* timeout for next timer to expire */
140 struct thread_input
*input
; /* thread input descriptor */
141 struct hook_table
*hooks
; /* hook table */
142 timeout_t last_get_msg
; /* time of last get message call */
147 struct list entry
; /* entry in desktop hotkey list */
148 struct msg_queue
*queue
; /* queue owning this hotkey */
149 user_handle_t win
; /* window handle */
150 int id
; /* hotkey id */
151 unsigned int vkey
; /* virtual key code */
152 unsigned int flags
; /* key modifiers */
155 static void msg_queue_dump( struct object
*obj
, int verbose
);
156 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
157 static void msg_queue_remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
158 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
159 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
);
160 static void msg_queue_destroy( struct object
*obj
);
161 static void msg_queue_poll_event( struct fd
*fd
, int event
);
162 static void thread_input_dump( struct object
*obj
, int verbose
);
163 static void thread_input_destroy( struct object
*obj
);
164 static void timer_callback( void *private );
166 static const struct object_ops msg_queue_ops
=
168 sizeof(struct msg_queue
), /* size */
170 msg_queue_dump
, /* dump */
171 msg_queue_add_queue
, /* add_queue */
172 msg_queue_remove_queue
, /* remove_queue */
173 msg_queue_signaled
, /* signaled */
174 msg_queue_satisfied
, /* satisfied */
175 no_signal
, /* signal */
176 no_get_fd
, /* get_fd */
177 default_map_access
, /* map_access */
178 default_get_sd
, /* get_sd */
179 default_set_sd
, /* set_sd */
180 no_get_full_name
, /* get_full_name */
181 no_lookup_name
, /* lookup_name */
182 no_link_name
, /* link_name */
183 NULL
, /* unlink_name */
184 no_open_file
, /* open_file */
185 no_kernel_obj_list
, /* get_kernel_obj_list */
186 no_close_handle
, /* close_handle */
187 msg_queue_destroy
/* destroy */
190 static const struct fd_ops msg_queue_fd_ops
=
192 NULL
, /* get_poll_events */
193 msg_queue_poll_event
, /* poll_event */
195 NULL
, /* get_fd_type */
197 NULL
, /* queue_async */
198 NULL
, /* reselect_async */
199 NULL
/* cancel async */
203 static const struct object_ops thread_input_ops
=
205 sizeof(struct thread_input
), /* size */
207 thread_input_dump
, /* dump */
208 no_add_queue
, /* add_queue */
209 NULL
, /* remove_queue */
211 NULL
, /* satisfied */
212 no_signal
, /* signal */
213 no_get_fd
, /* get_fd */
214 default_map_access
, /* map_access */
215 default_get_sd
, /* get_sd */
216 default_set_sd
, /* set_sd */
217 no_get_full_name
, /* get_full_name */
218 no_lookup_name
, /* lookup_name */
219 no_link_name
, /* link_name */
220 NULL
, /* unlink_name */
221 no_open_file
, /* open_file */
222 no_kernel_obj_list
, /* get_kernel_obj_list */
223 no_close_handle
, /* close_handle */
224 thread_input_destroy
/* destroy */
227 /* pointer to input structure of foreground thread */
228 static unsigned int last_input_time
;
230 static cursor_pos_t cursor_history
[64];
231 static unsigned int cursor_history_latest
;
233 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
);
234 static void free_message( struct message
*msg
);
236 /* set the caret window in a given thread input */
237 static void set_caret_window( struct thread_input
*input
, user_handle_t win
)
239 if (!win
|| win
!= input
->caret
)
241 input
->caret_rect
.left
= 0;
242 input
->caret_rect
.top
= 0;
243 input
->caret_rect
.right
= 0;
244 input
->caret_rect
.bottom
= 0;
247 input
->caret_hide
= 1;
248 input
->caret_state
= 0;
251 /* create a thread input object */
252 static struct thread_input
*create_thread_input( struct thread
*thread
)
254 struct thread_input
*input
;
256 if ((input
= alloc_object( &thread_input_ops
)))
261 input
->menu_owner
= 0;
262 input
->move_size
= 0;
264 input
->cursor_count
= 0;
265 list_init( &input
->msg_list
);
266 set_caret_window( input
, 0 );
267 memset( input
->keystate
, 0, sizeof(input
->keystate
) );
269 if (!(input
->desktop
= get_thread_desktop( thread
, 0 /* FIXME: access rights */ )))
271 release_object( input
);
278 /* create a message queue object */
279 static struct msg_queue
*create_msg_queue( struct thread
*thread
, struct thread_input
*input
)
281 struct thread_input
*new_input
= NULL
;
282 struct msg_queue
*queue
;
287 if (!(new_input
= create_thread_input( thread
))) return NULL
;
291 if ((queue
= alloc_object( &msg_queue_ops
)))
294 queue
->wake_bits
= 0;
295 queue
->wake_mask
= 0;
296 queue
->changed_bits
= 0;
297 queue
->changed_mask
= 0;
298 queue
->paint_count
= 0;
299 queue
->hotkey_count
= 0;
300 queue
->quit_message
= 0;
301 queue
->cursor_count
= 0;
302 queue
->recv_result
= NULL
;
303 queue
->next_timer_id
= 0x7fff;
304 queue
->timeout
= NULL
;
305 queue
->input
= (struct thread_input
*)grab_object( input
);
307 queue
->last_get_msg
= current_time
;
308 list_init( &queue
->send_result
);
309 list_init( &queue
->callback_result
);
310 list_init( &queue
->pending_timers
);
311 list_init( &queue
->expired_timers
);
312 for (i
= 0; i
< NB_MSG_KINDS
; i
++) list_init( &queue
->msg_list
[i
] );
314 thread
->queue
= queue
;
316 if (new_input
) release_object( new_input
);
320 /* free the message queue of a thread at thread exit */
321 void free_msg_queue( struct thread
*thread
)
323 remove_thread_hooks( thread
);
324 if (!thread
->queue
) return;
325 release_object( thread
->queue
);
326 thread
->queue
= NULL
;
329 /* change the thread input data of a given thread */
330 static int assign_thread_input( struct thread
*thread
, struct thread_input
*new_input
)
332 struct msg_queue
*queue
= thread
->queue
;
336 thread
->queue
= create_msg_queue( thread
, new_input
);
337 return thread
->queue
!= NULL
;
341 queue
->input
->cursor_count
-= queue
->cursor_count
;
342 release_object( queue
->input
);
344 queue
->input
= (struct thread_input
*)grab_object( new_input
);
345 new_input
->cursor_count
+= queue
->cursor_count
;
349 /* allocate a hardware message and its data */
350 static struct message
*alloc_hardware_message( lparam_t info
, struct hw_msg_source source
,
351 unsigned int time
, data_size_t extra_size
)
353 struct hardware_msg_data
*msg_data
;
356 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return NULL
;
357 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) + extra_size
)))
362 memset( msg
, 0, sizeof(*msg
) );
363 msg
->type
= MSG_HARDWARE
;
365 msg
->data
= msg_data
;
366 msg
->data_size
= sizeof(*msg_data
) + extra_size
;
368 memset( msg_data
, 0, sizeof(*msg_data
) + extra_size
);
369 msg_data
->info
= info
;
370 msg_data
->size
= msg
->data_size
;
371 msg_data
->source
= source
;
375 static int update_desktop_cursor_pos( struct desktop
*desktop
, int x
, int y
)
379 x
= max( min( x
, desktop
->cursor
.clip
.right
- 1 ), desktop
->cursor
.clip
.left
);
380 y
= max( min( y
, desktop
->cursor
.clip
.bottom
- 1 ), desktop
->cursor
.clip
.top
);
381 updated
= (desktop
->cursor
.x
!= x
|| desktop
->cursor
.y
!= y
);
382 desktop
->cursor
.x
= x
;
383 desktop
->cursor
.y
= y
;
384 desktop
->cursor
.last_change
= get_tick_count();
389 /* set the cursor position and queue the corresponding mouse message */
390 static void set_cursor_pos( struct desktop
*desktop
, int x
, int y
)
392 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
393 const struct rawinput_device
*device
;
396 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
398 update_desktop_cursor_pos( desktop
, x
, y
);
402 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
404 msg
->msg
= WM_MOUSEMOVE
;
407 queue_hardware_message( desktop
, msg
, 1 );
410 /* retrieve default position and time for synthesized messages */
411 static void get_message_defaults( struct msg_queue
*queue
, int *x
, int *y
, unsigned int *time
)
413 struct desktop
*desktop
= queue
->input
->desktop
;
415 *x
= desktop
->cursor
.x
;
416 *y
= desktop
->cursor
.y
;
417 *time
= get_tick_count();
420 /* set the cursor clip rectangle */
421 static void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
, int send_clip_msg
)
423 rectangle_t top_rect
;
426 get_top_window_rectangle( desktop
, &top_rect
);
429 rectangle_t new_rect
= *rect
;
430 if (new_rect
.left
< top_rect
.left
) new_rect
.left
= top_rect
.left
;
431 if (new_rect
.right
> top_rect
.right
) new_rect
.right
= top_rect
.right
;
432 if (new_rect
.top
< top_rect
.top
) new_rect
.top
= top_rect
.top
;
433 if (new_rect
.bottom
> top_rect
.bottom
) new_rect
.bottom
= top_rect
.bottom
;
434 if (new_rect
.left
> new_rect
.right
|| new_rect
.top
> new_rect
.bottom
) new_rect
= top_rect
;
435 desktop
->cursor
.clip
= new_rect
;
437 else desktop
->cursor
.clip
= top_rect
;
439 if (desktop
->cursor
.clip_msg
&& send_clip_msg
)
440 post_desktop_message( desktop
, desktop
->cursor
.clip_msg
, rect
!= NULL
, 0 );
442 /* warp the mouse to be inside the clip rect */
443 x
= max( min( desktop
->cursor
.x
, desktop
->cursor
.clip
.right
- 1 ), desktop
->cursor
.clip
.left
);
444 y
= max( min( desktop
->cursor
.y
, desktop
->cursor
.clip
.bottom
- 1 ), desktop
->cursor
.clip
.top
);
445 if (x
!= desktop
->cursor
.x
|| y
!= desktop
->cursor
.y
) set_cursor_pos( desktop
, x
, y
);
448 /* change the foreground input and reset the cursor clip rect */
449 static void set_foreground_input( struct desktop
*desktop
, struct thread_input
*input
)
451 if (desktop
->foreground_input
== input
) return;
452 set_clip_rectangle( desktop
, NULL
, 1 );
453 desktop
->foreground_input
= input
;
456 /* get the hook table for a given thread */
457 struct hook_table
*get_queue_hooks( struct thread
*thread
)
459 if (!thread
->queue
) return NULL
;
460 return thread
->queue
->hooks
;
463 /* set the hook table for a given thread, allocating the queue if needed */
464 void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
)
466 struct msg_queue
*queue
= thread
->queue
;
467 if (!queue
&& !(queue
= create_msg_queue( thread
, NULL
))) return;
468 if (queue
->hooks
) release_object( queue
->hooks
);
469 queue
->hooks
= hooks
;
472 /* check the queue status */
473 static inline int is_signaled( struct msg_queue
*queue
)
475 return ((queue
->wake_bits
& queue
->wake_mask
) || (queue
->changed_bits
& queue
->changed_mask
));
478 /* set some queue bits */
479 static inline void set_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
481 queue
->wake_bits
|= bits
;
482 queue
->changed_bits
|= bits
;
483 if (is_signaled( queue
)) wake_up( &queue
->obj
, 0 );
486 /* clear some queue bits */
487 static inline void clear_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
489 queue
->wake_bits
&= ~bits
;
490 queue
->changed_bits
&= ~bits
;
493 /* check whether msg is a keyboard message */
494 static inline int is_keyboard_msg( struct message
*msg
)
496 return (msg
->msg
>= WM_KEYFIRST
&& msg
->msg
<= WM_KEYLAST
);
499 /* check if message is matched by the filter */
500 static inline int check_msg_filter( unsigned int msg
, unsigned int first
, unsigned int last
)
502 return (msg
>= first
&& msg
<= last
);
505 /* check whether a message filter contains at least one potential hardware message */
506 static inline int filter_contains_hw_range( unsigned int first
, unsigned int last
)
508 /* hardware message ranges are (in numerical order):
509 * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
510 * WM_INPUT_DEVICE_CHANGE .. WM_KEYLAST
511 * WM_MOUSEFIRST .. WM_MOUSELAST
513 if (last
< WM_NCMOUSEFIRST
) return 0;
514 if (first
> WM_NCMOUSELAST
&& last
< WM_INPUT_DEVICE_CHANGE
) return 0;
515 if (first
> WM_KEYLAST
&& last
< WM_MOUSEFIRST
) return 0;
516 if (first
> WM_MOUSELAST
) return 0;
520 /* get the QS_* bit corresponding to a given hardware message */
521 static inline int get_hardware_msg_bit( struct message
*msg
)
523 if (msg
->msg
== WM_INPUT_DEVICE_CHANGE
|| msg
->msg
== WM_INPUT
) return QS_RAWINPUT
;
524 if (msg
->msg
== WM_MOUSEMOVE
|| msg
->msg
== WM_NCMOUSEMOVE
) return QS_MOUSEMOVE
;
525 if (is_keyboard_msg( msg
)) return QS_KEY
;
526 return QS_MOUSEBUTTON
;
529 /* get the current thread queue, creating it if needed */
530 static inline struct msg_queue
*get_current_queue(void)
532 struct msg_queue
*queue
= current
->queue
;
533 if (!queue
) queue
= create_msg_queue( current
, NULL
);
537 /* get a (pseudo-)unique id to tag hardware messages */
538 static inline unsigned int get_unique_id(void)
540 static unsigned int id
;
541 if (!++id
) id
= 1; /* avoid an id of 0 */
545 /* try to merge a message with the last in the list; return 1 if successful */
546 static int merge_message( struct thread_input
*input
, const struct message
*msg
)
548 struct message
*prev
;
551 if (msg
->msg
!= WM_MOUSEMOVE
) return 0;
552 for (ptr
= list_tail( &input
->msg_list
); ptr
; ptr
= list_prev( &input
->msg_list
, ptr
))
554 prev
= LIST_ENTRY( ptr
, struct message
, entry
);
555 if (prev
->msg
!= WM_INPUT
) break;
558 if (prev
->result
) return 0;
559 if (prev
->win
&& msg
->win
&& prev
->win
!= msg
->win
) return 0;
560 if (prev
->msg
!= msg
->msg
) return 0;
561 if (prev
->type
!= msg
->type
) return 0;
562 /* now we can merge it */
563 prev
->wparam
= msg
->wparam
;
564 prev
->lparam
= msg
->lparam
;
567 prev
->time
= msg
->time
;
568 if (msg
->type
== MSG_HARDWARE
&& prev
->data
&& msg
->data
)
570 struct hardware_msg_data
*prev_data
= prev
->data
;
571 struct hardware_msg_data
*msg_data
= msg
->data
;
572 prev_data
->info
= msg_data
->info
;
575 list_add_tail( &input
->msg_list
, ptr
);
579 /* free a result structure */
580 static void free_result( struct message_result
*result
)
582 if (result
->timeout
) remove_timeout_user( result
->timeout
);
583 free( result
->data
);
584 if (result
->callback_msg
) free_message( result
->callback_msg
);
585 if (result
->hardware_msg
) free_message( result
->hardware_msg
);
586 if (result
->desktop
) release_object( result
->desktop
);
590 /* remove the result from the sender list it is on */
591 static inline void remove_result_from_sender( struct message_result
*result
)
593 assert( result
->sender
);
595 list_remove( &result
->sender_entry
);
596 result
->sender
= NULL
;
597 if (!result
->receiver
) free_result( result
);
600 /* store the message result in the appropriate structure */
601 static void store_message_result( struct message_result
*res
, lparam_t result
, unsigned int error
)
603 res
->result
= result
;
608 remove_timeout_user( res
->timeout
);
612 if (res
->hardware_msg
)
614 if (!error
&& result
) /* rejected by the hook */
615 free_message( res
->hardware_msg
);
617 queue_hardware_message( res
->desktop
, res
->hardware_msg
, 0 );
619 res
->hardware_msg
= NULL
;
624 if (res
->callback_msg
)
626 /* queue the callback message in the sender queue */
627 struct callback_msg_data
*data
= res
->callback_msg
->data
;
628 data
->result
= result
;
629 list_add_tail( &res
->sender
->msg_list
[SEND_MESSAGE
], &res
->callback_msg
->entry
);
630 set_queue_bits( res
->sender
, QS_SENDMESSAGE
);
631 res
->callback_msg
= NULL
;
632 remove_result_from_sender( res
);
636 /* wake sender queue if waiting on this result */
637 if (list_head(&res
->sender
->send_result
) == &res
->sender_entry
)
638 set_queue_bits( res
->sender
, QS_SMRESULT
);
641 else if (!res
->receiver
) free_result( res
);
644 /* free a message when deleting a queue or window */
645 static void free_message( struct message
*msg
)
647 struct message_result
*result
= msg
->result
;
651 result
->receiver
= NULL
;
652 store_message_result( result
, 0, STATUS_ACCESS_DENIED
/*FIXME*/ );
658 /* remove (and free) a message from a message list */
659 static void remove_queue_message( struct msg_queue
*queue
, struct message
*msg
,
660 enum message_kind kind
)
662 list_remove( &msg
->entry
);
666 if (list_empty( &queue
->msg_list
[kind
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
669 if (list_empty( &queue
->msg_list
[kind
] ) && !queue
->quit_message
)
670 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
671 if (msg
->msg
== WM_HOTKEY
&& --queue
->hotkey_count
== 0)
672 clear_queue_bits( queue
, QS_HOTKEY
);
678 /* message timed out without getting a reply */
679 static void result_timeout( void *private )
681 struct message_result
*result
= private;
683 assert( !result
->replied
);
685 result
->timeout
= NULL
;
687 if (result
->msg
) /* not received yet */
689 struct message
*msg
= result
->msg
;
693 remove_queue_message( result
->receiver
, msg
, SEND_MESSAGE
);
694 result
->receiver
= NULL
;
696 store_message_result( result
, 0, STATUS_TIMEOUT
);
699 /* allocate and fill a message result structure */
700 static struct message_result
*alloc_message_result( struct msg_queue
*send_queue
,
701 struct msg_queue
*recv_queue
,
702 struct message
*msg
, timeout_t timeout
)
704 struct message_result
*result
= mem_alloc( sizeof(*result
) );
708 result
->sender
= send_queue
;
709 result
->receiver
= recv_queue
;
712 result
->data_size
= 0;
713 result
->timeout
= NULL
;
714 result
->hardware_msg
= NULL
;
715 result
->desktop
= NULL
;
716 result
->callback_msg
= NULL
;
718 if (msg
->type
== MSG_CALLBACK
)
720 struct message
*callback_msg
= mem_alloc( sizeof(*callback_msg
) );
727 callback_msg
->type
= MSG_CALLBACK_RESULT
;
728 callback_msg
->win
= msg
->win
;
729 callback_msg
->msg
= msg
->msg
;
730 callback_msg
->wparam
= 0;
731 callback_msg
->lparam
= 0;
732 callback_msg
->time
= get_tick_count();
733 callback_msg
->result
= NULL
;
734 /* steal the data from the original message */
735 callback_msg
->data
= msg
->data
;
736 callback_msg
->data_size
= msg
->data_size
;
740 result
->callback_msg
= callback_msg
;
741 list_add_head( &send_queue
->callback_result
, &result
->sender_entry
);
745 list_add_head( &send_queue
->send_result
, &result
->sender_entry
);
746 clear_queue_bits( send_queue
, QS_SMRESULT
);
749 if (timeout
!= TIMEOUT_INFINITE
)
750 result
->timeout
= add_timeout_user( timeout
, result_timeout
, result
);
755 /* receive a message, removing it from the sent queue */
756 static void receive_message( struct msg_queue
*queue
, struct message
*msg
,
757 struct get_message_reply
*reply
)
759 struct message_result
*result
= msg
->result
;
761 reply
->total
= msg
->data_size
;
762 if (msg
->data_size
> get_reply_max_size())
764 set_error( STATUS_BUFFER_OVERFLOW
);
767 reply
->type
= msg
->type
;
768 reply
->win
= msg
->win
;
769 reply
->msg
= msg
->msg
;
770 reply
->wparam
= msg
->wparam
;
771 reply
->lparam
= msg
->lparam
;
774 reply
->time
= msg
->time
;
776 if (msg
->data
) set_reply_data_ptr( msg
->data
, msg
->data_size
);
778 list_remove( &msg
->entry
);
779 /* put the result on the receiver result stack */
783 result
->recv_next
= queue
->recv_result
;
784 queue
->recv_result
= result
;
787 if (list_empty( &queue
->msg_list
[SEND_MESSAGE
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
790 /* set the result of the current received message */
791 static void reply_message( struct msg_queue
*queue
, lparam_t result
,
792 unsigned int error
, int remove
, const void *data
, data_size_t len
)
794 struct message_result
*res
= queue
->recv_result
;
798 queue
->recv_result
= res
->recv_next
;
799 res
->receiver
= NULL
;
800 if (!res
->sender
&& !res
->hardware_msg
) /* no one waiting for it */
808 if (len
&& (res
->data
= memdup( data
, len
))) res
->data_size
= len
;
809 store_message_result( res
, result
, error
);
813 static int match_window( user_handle_t win
, user_handle_t msg_win
)
816 if (win
== -1 || win
== 1) return !msg_win
;
817 if (msg_win
== win
) return 1;
818 return is_child_window( win
, msg_win
);
821 /* retrieve a posted message */
822 static int get_posted_message( struct msg_queue
*queue
, user_handle_t win
,
823 unsigned int first
, unsigned int last
, unsigned int flags
,
824 struct get_message_reply
*reply
)
828 /* check against the filters */
829 LIST_FOR_EACH_ENTRY( msg
, &queue
->msg_list
[POST_MESSAGE
], struct message
, entry
)
831 if (!match_window( win
, msg
->win
)) continue;
832 if (!check_msg_filter( msg
->msg
, first
, last
)) continue;
833 goto found
; /* found one */
837 /* return it to the app */
839 reply
->total
= msg
->data_size
;
840 if (msg
->data_size
> get_reply_max_size())
842 set_error( STATUS_BUFFER_OVERFLOW
);
845 reply
->type
= msg
->type
;
846 reply
->win
= msg
->win
;
847 reply
->msg
= msg
->msg
;
848 reply
->wparam
= msg
->wparam
;
849 reply
->lparam
= msg
->lparam
;
852 reply
->time
= msg
->time
;
854 if (flags
& PM_REMOVE
)
858 set_reply_data_ptr( msg
->data
, msg
->data_size
);
862 remove_queue_message( queue
, msg
, POST_MESSAGE
);
864 else if (msg
->data
) set_reply_data( msg
->data
, msg
->data_size
);
869 static int get_quit_message( struct msg_queue
*queue
, unsigned int flags
,
870 struct get_message_reply
*reply
)
872 if (queue
->quit_message
)
875 reply
->type
= MSG_POSTED
;
877 reply
->msg
= WM_QUIT
;
878 reply
->wparam
= queue
->exit_code
;
881 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
883 if (flags
& PM_REMOVE
)
885 queue
->quit_message
= 0;
886 if (list_empty( &queue
->msg_list
[POST_MESSAGE
] ))
887 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
895 /* empty a message list and free all the messages */
896 static void empty_msg_list( struct list
*list
)
900 while ((ptr
= list_head( list
)) != NULL
)
902 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
903 list_remove( &msg
->entry
);
908 /* cleanup all pending results when deleting a queue */
909 static void cleanup_results( struct msg_queue
*queue
)
913 while ((entry
= list_head( &queue
->send_result
)) != NULL
)
915 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
918 while ((entry
= list_head( &queue
->callback_result
)) != NULL
)
920 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
923 while (queue
->recv_result
)
924 reply_message( queue
, 0, STATUS_ACCESS_DENIED
/*FIXME*/, 1, NULL
, 0 );
927 /* check if the thread owning the queue is hung (not checking for messages) */
928 static int is_queue_hung( struct msg_queue
*queue
)
930 struct wait_queue_entry
*entry
;
932 if (current_time
- queue
->last_get_msg
<= 5 * TICKS_PER_SEC
)
933 return 0; /* less than 5 seconds since last get message -> not hung */
935 LIST_FOR_EACH_ENTRY( entry
, &queue
->obj
.wait_queue
, struct wait_queue_entry
, entry
)
937 if (get_wait_queue_thread(entry
)->queue
== queue
)
938 return 0; /* thread is waiting on queue -> not hung */
943 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
)
945 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
946 struct process
*process
= get_wait_queue_thread(entry
)->process
;
948 /* a thread can only wait on its own queue */
949 if (get_wait_queue_thread(entry
)->queue
!= queue
)
951 set_error( STATUS_ACCESS_DENIED
);
954 if (process
->idle_event
&& !(queue
->wake_mask
& QS_SMRESULT
)) set_event( process
->idle_event
);
956 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* first on the queue */
957 set_fd_events( queue
->fd
, POLLIN
);
958 add_queue( obj
, entry
);
962 static void msg_queue_remove_queue(struct object
*obj
, struct wait_queue_entry
*entry
)
964 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
966 remove_queue( obj
, entry
);
967 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* last on the queue is gone */
968 set_fd_events( queue
->fd
, 0 );
971 static void msg_queue_dump( struct object
*obj
, int verbose
)
973 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
974 fprintf( stderr
, "Msg queue bits=%x mask=%x\n",
975 queue
->wake_bits
, queue
->wake_mask
);
978 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
980 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
985 if ((ret
= check_fd_events( queue
->fd
, POLLIN
)))
986 /* stop waiting on select() if we are signaled */
987 set_fd_events( queue
->fd
, 0 );
988 else if (!list_empty( &obj
->wait_queue
))
989 /* restart waiting on poll() if we are no longer signaled */
990 set_fd_events( queue
->fd
, POLLIN
);
992 return ret
|| is_signaled( queue
);
995 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
)
997 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
998 queue
->wake_mask
= 0;
999 queue
->changed_mask
= 0;
1002 static void msg_queue_destroy( struct object
*obj
)
1004 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1006 struct hotkey
*hotkey
, *hotkey2
;
1009 cleanup_results( queue
);
1010 for (i
= 0; i
< NB_MSG_KINDS
; i
++) empty_msg_list( &queue
->msg_list
[i
] );
1012 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &queue
->input
->desktop
->hotkeys
, struct hotkey
, entry
)
1014 if (hotkey
->queue
== queue
)
1016 list_remove( &hotkey
->entry
);
1021 while ((ptr
= list_head( &queue
->pending_timers
)))
1023 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1024 list_remove( &timer
->entry
);
1027 while ((ptr
= list_head( &queue
->expired_timers
)))
1029 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1030 list_remove( &timer
->entry
);
1033 if (queue
->timeout
) remove_timeout_user( queue
->timeout
);
1034 queue
->input
->cursor_count
-= queue
->cursor_count
;
1035 release_object( queue
->input
);
1036 if (queue
->hooks
) release_object( queue
->hooks
);
1037 if (queue
->fd
) release_object( queue
->fd
);
1040 static void msg_queue_poll_event( struct fd
*fd
, int event
)
1042 struct msg_queue
*queue
= get_fd_user( fd
);
1043 assert( queue
->obj
.ops
== &msg_queue_ops
);
1045 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
1046 else set_fd_events( queue
->fd
, 0 );
1047 wake_up( &queue
->obj
, 0 );
1050 static void thread_input_dump( struct object
*obj
, int verbose
)
1052 struct thread_input
*input
= (struct thread_input
*)obj
;
1053 fprintf( stderr
, "Thread input focus=%08x capture=%08x active=%08x\n",
1054 input
->focus
, input
->capture
, input
->active
);
1057 static void thread_input_destroy( struct object
*obj
)
1059 struct thread_input
*input
= (struct thread_input
*)obj
;
1061 empty_msg_list( &input
->msg_list
);
1064 if (input
->desktop
->foreground_input
== input
) set_foreground_input( input
->desktop
, NULL
);
1065 release_object( input
->desktop
);
1069 /* fix the thread input data when a window is destroyed */
1070 static inline void thread_input_cleanup_window( struct msg_queue
*queue
, user_handle_t window
)
1072 struct thread_input
*input
= queue
->input
;
1074 if (window
== input
->focus
) input
->focus
= 0;
1075 if (window
== input
->capture
) input
->capture
= 0;
1076 if (window
== input
->active
) input
->active
= 0;
1077 if (window
== input
->menu_owner
) input
->menu_owner
= 0;
1078 if (window
== input
->move_size
) input
->move_size
= 0;
1079 if (window
== input
->caret
) set_caret_window( input
, 0 );
1082 /* check if the specified window can be set in the input data of a given queue */
1083 static int check_queue_input_window( struct msg_queue
*queue
, user_handle_t window
)
1085 struct thread
*thread
;
1088 if (!window
) return 1; /* we can always clear the data */
1090 if ((thread
= get_window_thread( window
)))
1092 ret
= (queue
->input
== thread
->queue
->input
);
1093 if (!ret
) set_error( STATUS_ACCESS_DENIED
);
1094 release_object( thread
);
1096 else set_error( STATUS_INVALID_HANDLE
);
1101 /* make sure the specified thread has a queue */
1102 int init_thread_queue( struct thread
*thread
)
1104 if (thread
->queue
) return 1;
1105 return (create_msg_queue( thread
, NULL
) != NULL
);
1108 /* attach two thread input data structures */
1109 int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
)
1111 struct desktop
*desktop
;
1112 struct thread_input
*input
;
1115 if (!thread_to
->queue
&& !(thread_to
->queue
= create_msg_queue( thread_to
, NULL
))) return 0;
1116 if (!(desktop
= get_thread_desktop( thread_from
, 0 ))) return 0;
1117 input
= (struct thread_input
*)grab_object( thread_to
->queue
->input
);
1118 if (input
->desktop
!= desktop
)
1120 set_error( STATUS_ACCESS_DENIED
);
1121 release_object( input
);
1122 release_object( desktop
);
1125 release_object( desktop
);
1127 if (thread_from
->queue
)
1129 if (!input
->focus
) input
->focus
= thread_from
->queue
->input
->focus
;
1130 if (!input
->active
) input
->active
= thread_from
->queue
->input
->active
;
1133 ret
= assign_thread_input( thread_from
, input
);
1134 if (ret
) memset( input
->keystate
, 0, sizeof(input
->keystate
) );
1135 release_object( input
);
1139 /* detach two thread input data structures */
1140 void detach_thread_input( struct thread
*thread_from
)
1142 struct thread
*thread
;
1143 struct thread_input
*input
, *old_input
= thread_from
->queue
->input
;
1145 if ((input
= create_thread_input( thread_from
)))
1147 if (old_input
->focus
&& (thread
= get_window_thread( old_input
->focus
)))
1149 if (thread
== thread_from
)
1151 input
->focus
= old_input
->focus
;
1152 old_input
->focus
= 0;
1154 release_object( thread
);
1156 if (old_input
->active
&& (thread
= get_window_thread( old_input
->active
)))
1158 if (thread
== thread_from
)
1160 input
->active
= old_input
->active
;
1161 old_input
->active
= 0;
1163 release_object( thread
);
1165 assign_thread_input( thread_from
, input
);
1166 release_object( input
);
1171 /* set the next timer to expire */
1172 static void set_next_timer( struct msg_queue
*queue
)
1178 remove_timeout_user( queue
->timeout
);
1179 queue
->timeout
= NULL
;
1181 if ((ptr
= list_head( &queue
->pending_timers
)))
1183 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1184 queue
->timeout
= add_timeout_user( abstime_to_timeout(timer
->when
), timer_callback
, queue
);
1186 /* set/clear QS_TIMER bit */
1187 if (list_empty( &queue
->expired_timers
))
1188 clear_queue_bits( queue
, QS_TIMER
);
1190 set_queue_bits( queue
, QS_TIMER
);
1193 /* find a timer from its window and id */
1194 static struct timer
*find_timer( struct msg_queue
*queue
, user_handle_t win
,
1195 unsigned int msg
, lparam_t id
)
1199 /* we need to search both lists */
1201 LIST_FOR_EACH( ptr
, &queue
->pending_timers
)
1203 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1204 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1206 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1208 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1209 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1214 /* callback for the next timer expiration */
1215 static void timer_callback( void *private )
1217 struct msg_queue
*queue
= private;
1220 queue
->timeout
= NULL
;
1221 /* move on to the next timer */
1222 ptr
= list_head( &queue
->pending_timers
);
1224 list_add_tail( &queue
->expired_timers
, ptr
);
1225 set_next_timer( queue
);
1228 /* link a timer at its rightful place in the queue list */
1229 static void link_timer( struct msg_queue
*queue
, struct timer
*timer
)
1233 for (ptr
= queue
->pending_timers
.next
; ptr
!= &queue
->pending_timers
; ptr
= ptr
->next
)
1235 struct timer
*t
= LIST_ENTRY( ptr
, struct timer
, entry
);
1236 if (t
->when
<= timer
->when
) break;
1238 list_add_before( ptr
, &timer
->entry
);
1241 /* remove a timer from the queue timer list and free it */
1242 static void free_timer( struct msg_queue
*queue
, struct timer
*timer
)
1244 list_remove( &timer
->entry
);
1246 set_next_timer( queue
);
1249 /* restart an expired timer */
1250 static void restart_timer( struct msg_queue
*queue
, struct timer
*timer
)
1252 list_remove( &timer
->entry
);
1253 while (-timer
->when
<= monotonic_time
) timer
->when
-= (timeout_t
)timer
->rate
* 10000;
1254 link_timer( queue
, timer
);
1255 set_next_timer( queue
);
1258 /* find an expired timer matching the filtering parameters */
1259 static struct timer
*find_expired_timer( struct msg_queue
*queue
, user_handle_t win
,
1260 unsigned int get_first
, unsigned int get_last
,
1265 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1267 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1268 if (win
&& timer
->win
!= win
) continue;
1269 if (check_msg_filter( timer
->msg
, get_first
, get_last
))
1271 if (remove
) restart_timer( queue
, timer
);
1279 static struct timer
*set_timer( struct msg_queue
*queue
, unsigned int rate
)
1281 struct timer
*timer
= mem_alloc( sizeof(*timer
) );
1284 timer
->rate
= max( rate
, 1 );
1285 timer
->when
= -monotonic_time
- (timeout_t
)timer
->rate
* 10000;
1286 link_timer( queue
, timer
);
1287 /* check if we replaced the next timer */
1288 if (list_head( &queue
->pending_timers
) == &timer
->entry
) set_next_timer( queue
);
1293 /* change the input key state for a given key */
1294 static void set_input_key_state( unsigned char *keystate
, unsigned char key
, int down
)
1298 if (!(keystate
[key
] & 0x80)) keystate
[key
] ^= 0x01;
1299 keystate
[key
] |= down
;
1301 else keystate
[key
] &= ~0x80;
1304 /* update the input key state for a keyboard message */
1305 static void update_input_key_state( struct desktop
*desktop
, unsigned char *keystate
,
1306 unsigned int msg
, lparam_t wparam
)
1313 case WM_LBUTTONDOWN
:
1314 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1317 set_input_key_state( keystate
, VK_LBUTTON
, down
);
1319 case WM_MBUTTONDOWN
:
1320 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1323 set_input_key_state( keystate
, VK_MBUTTON
, down
);
1325 case WM_RBUTTONDOWN
:
1326 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1329 set_input_key_state( keystate
, VK_RBUTTON
, down
);
1331 case WM_XBUTTONDOWN
:
1332 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1335 if (wparam
>> 16 == XBUTTON1
) set_input_key_state( keystate
, VK_XBUTTON1
, down
);
1336 else if (wparam
>> 16 == XBUTTON2
) set_input_key_state( keystate
, VK_XBUTTON2
, down
);
1340 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1344 key
= (unsigned char)wparam
;
1345 set_input_key_state( keystate
, key
, down
);
1350 down
= (keystate
[VK_LCONTROL
] | keystate
[VK_RCONTROL
]) & 0x80;
1351 set_input_key_state( keystate
, VK_CONTROL
, down
);
1355 down
= (keystate
[VK_LMENU
] | keystate
[VK_RMENU
]) & 0x80;
1356 set_input_key_state( keystate
, VK_MENU
, down
);
1360 down
= (keystate
[VK_LSHIFT
] | keystate
[VK_RSHIFT
]) & 0x80;
1361 set_input_key_state( keystate
, VK_SHIFT
, down
);
1368 /* update the desktop key state according to a mouse message flags */
1369 static void update_desktop_mouse_state( struct desktop
*desktop
, unsigned int flags
,
1370 int x
, int y
, lparam_t wparam
)
1372 if (flags
& MOUSEEVENTF_MOVE
)
1373 update_desktop_cursor_pos( desktop
, x
, y
);
1374 if (flags
& MOUSEEVENTF_LEFTDOWN
)
1375 update_input_key_state( desktop
, desktop
->keystate
, WM_LBUTTONDOWN
, wparam
);
1376 if (flags
& MOUSEEVENTF_LEFTUP
)
1377 update_input_key_state( desktop
, desktop
->keystate
, WM_LBUTTONUP
, wparam
);
1378 if (flags
& MOUSEEVENTF_RIGHTDOWN
)
1379 update_input_key_state( desktop
, desktop
->keystate
, WM_RBUTTONDOWN
, wparam
);
1380 if (flags
& MOUSEEVENTF_RIGHTUP
)
1381 update_input_key_state( desktop
, desktop
->keystate
, WM_RBUTTONUP
, wparam
);
1382 if (flags
& MOUSEEVENTF_MIDDLEDOWN
)
1383 update_input_key_state( desktop
, desktop
->keystate
, WM_MBUTTONDOWN
, wparam
);
1384 if (flags
& MOUSEEVENTF_MIDDLEUP
)
1385 update_input_key_state( desktop
, desktop
->keystate
, WM_MBUTTONUP
, wparam
);
1386 if (flags
& MOUSEEVENTF_XDOWN
)
1387 update_input_key_state( desktop
, desktop
->keystate
, WM_XBUTTONDOWN
, wparam
);
1388 if (flags
& MOUSEEVENTF_XUP
)
1389 update_input_key_state( desktop
, desktop
->keystate
, WM_XBUTTONUP
, wparam
);
1392 /* release the hardware message currently being processed by the given thread */
1393 static void release_hardware_message( struct msg_queue
*queue
, unsigned int hw_id
)
1395 struct thread_input
*input
= queue
->input
;
1396 struct message
*msg
, *other
;
1399 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
1401 if (msg
->unique_id
== hw_id
) break;
1403 if (&msg
->entry
== &input
->msg_list
) return; /* not found */
1405 /* clear the queue bit for that message */
1406 clr_bit
= get_hardware_msg_bit( msg
);
1407 LIST_FOR_EACH_ENTRY( other
, &input
->msg_list
, struct message
, entry
)
1409 if (other
!= msg
&& get_hardware_msg_bit( other
) == clr_bit
)
1415 if (clr_bit
) clear_queue_bits( queue
, clr_bit
);
1417 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
1418 list_remove( &msg
->entry
);
1419 free_message( msg
);
1422 static int queue_hotkey_message( struct desktop
*desktop
, struct message
*msg
)
1424 struct hotkey
*hotkey
;
1425 unsigned int modifiers
= 0;
1427 if (msg
->msg
!= WM_KEYDOWN
) return 0;
1429 if (desktop
->keystate
[VK_MENU
] & 0x80) modifiers
|= MOD_ALT
;
1430 if (desktop
->keystate
[VK_CONTROL
] & 0x80) modifiers
|= MOD_CONTROL
;
1431 if (desktop
->keystate
[VK_SHIFT
] & 0x80) modifiers
|= MOD_SHIFT
;
1432 if ((desktop
->keystate
[VK_LWIN
] & 0x80) || (desktop
->keystate
[VK_RWIN
] & 0x80)) modifiers
|= MOD_WIN
;
1434 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
1436 if (hotkey
->vkey
!= msg
->wparam
) continue;
1437 if ((hotkey
->flags
& (MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
)) == modifiers
) goto found
;
1443 msg
->type
= MSG_POSTED
;
1444 msg
->win
= hotkey
->win
;
1445 msg
->msg
= WM_HOTKEY
;
1446 msg
->wparam
= hotkey
->id
;
1447 msg
->lparam
= ((hotkey
->vkey
& 0xffff) << 16) | modifiers
;
1453 list_add_tail( &hotkey
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
1454 set_queue_bits( hotkey
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
|QS_HOTKEY
);
1455 hotkey
->queue
->hotkey_count
++;
1459 /* find the window that should receive a given hardware message */
1460 static user_handle_t
find_hardware_message_window( struct desktop
*desktop
, struct thread_input
*input
,
1461 struct message
*msg
, unsigned int *msg_code
,
1462 struct thread
**thread
)
1464 user_handle_t win
= 0;
1467 *msg_code
= msg
->msg
;
1468 if (msg
->msg
== WM_INPUT
|| msg
->msg
== WM_INPUT_DEVICE_CHANGE
)
1470 if (!(win
= msg
->win
) && input
) win
= input
->focus
;
1472 else if (is_keyboard_msg( msg
))
1474 if (input
&& !(win
= input
->focus
))
1476 win
= input
->active
;
1477 if (*msg_code
< WM_SYSKEYDOWN
) *msg_code
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
1480 else if (!input
|| !(win
= input
->capture
)) /* mouse message */
1482 if (is_window_visible( msg
->win
) && !is_window_transparent( msg
->win
)) win
= msg
->win
;
1483 else win
= shallow_window_from_point( desktop
, msg
->x
, msg
->y
);
1485 *thread
= window_thread_from_point( win
, msg
->x
, msg
->y
);
1489 *thread
= get_window_thread( win
);
1493 static struct rawinput_device_entry
*find_rawinput_device( struct process
*process
, unsigned short usage_page
, unsigned short usage
)
1495 struct rawinput_device_entry
*e
;
1497 LIST_FOR_EACH_ENTRY( e
, &process
->rawinput_devices
, struct rawinput_device_entry
, entry
)
1499 if (e
->device
.usage_page
!= usage_page
|| e
->device
.usage
!= usage
) continue;
1506 static void update_rawinput_device(const struct rawinput_device
*device
)
1508 struct rawinput_device_entry
*e
;
1510 if (!(e
= find_rawinput_device( current
->process
, device
->usage_page
, device
->usage
)))
1512 if (!(e
= mem_alloc( sizeof(*e
) ))) return;
1513 list_add_tail( ¤t
->process
->rawinput_devices
, &e
->entry
);
1516 if (device
->flags
& RIDEV_REMOVE
)
1518 list_remove( &e
->entry
);
1523 e
->device
= *device
;
1524 e
->device
.target
= get_user_full_handle( e
->device
.target
);
1527 static void prepend_cursor_history( int x
, int y
, unsigned int time
, lparam_t info
)
1529 cursor_pos_t
*pos
= &cursor_history
[--cursor_history_latest
% ARRAY_SIZE(cursor_history
)];
1537 /* queue a hardware message into a given thread input */
1538 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
)
1541 struct thread
*thread
;
1542 struct thread_input
*input
;
1543 struct hardware_msg_data
*msg_data
= msg
->data
;
1544 unsigned int msg_code
;
1546 update_input_key_state( desktop
, desktop
->keystate
, msg
->msg
, msg
->wparam
);
1547 last_input_time
= get_tick_count();
1548 if (msg
->msg
!= WM_MOUSEMOVE
) always_queue
= 1;
1550 if (is_keyboard_msg( msg
))
1552 if (queue_hotkey_message( desktop
, msg
)) return;
1553 if (desktop
->keystate
[VK_MENU
] & 0x80) msg
->lparam
|= KF_ALTDOWN
<< 16;
1554 if (msg
->wparam
== VK_SHIFT
|| msg
->wparam
== VK_LSHIFT
|| msg
->wparam
== VK_RSHIFT
)
1555 msg
->lparam
&= ~(KF_EXTENDED
<< 16);
1557 else if (msg
->msg
!= WM_INPUT
&& msg
->msg
!= WM_INPUT_DEVICE_CHANGE
)
1559 if (msg
->msg
== WM_MOUSEMOVE
)
1561 prepend_cursor_history( msg
->x
, msg
->y
, msg
->time
, msg_data
->info
);
1562 if (update_desktop_cursor_pos( desktop
, msg
->x
, msg
->y
)) always_queue
= 1;
1564 if (desktop
->keystate
[VK_LBUTTON
] & 0x80) msg
->wparam
|= MK_LBUTTON
;
1565 if (desktop
->keystate
[VK_MBUTTON
] & 0x80) msg
->wparam
|= MK_MBUTTON
;
1566 if (desktop
->keystate
[VK_RBUTTON
] & 0x80) msg
->wparam
|= MK_RBUTTON
;
1567 if (desktop
->keystate
[VK_SHIFT
] & 0x80) msg
->wparam
|= MK_SHIFT
;
1568 if (desktop
->keystate
[VK_CONTROL
] & 0x80) msg
->wparam
|= MK_CONTROL
;
1569 if (desktop
->keystate
[VK_XBUTTON1
] & 0x80) msg
->wparam
|= MK_XBUTTON1
;
1570 if (desktop
->keystate
[VK_XBUTTON2
] & 0x80) msg
->wparam
|= MK_XBUTTON2
;
1572 msg
->x
= desktop
->cursor
.x
;
1573 msg
->y
= desktop
->cursor
.y
;
1575 if (msg
->win
&& (thread
= get_window_thread( msg
->win
)))
1577 input
= thread
->queue
->input
;
1578 release_object( thread
);
1580 else input
= desktop
->foreground_input
;
1582 win
= find_hardware_message_window( desktop
, input
, msg
, &msg_code
, &thread
);
1583 if (!win
|| !thread
)
1585 if (input
) update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
1586 free_message( msg
);
1589 input
= thread
->queue
->input
;
1591 if (win
!= desktop
->cursor
.win
) always_queue
= 1;
1592 desktop
->cursor
.win
= win
;
1594 if (!always_queue
|| merge_message( input
, msg
)) free_message( msg
);
1597 msg
->unique_id
= 0; /* will be set once we return it to the app */
1598 list_add_tail( &input
->msg_list
, &msg
->entry
);
1599 set_queue_bits( thread
->queue
, get_hardware_msg_bit(msg
) );
1601 release_object( thread
);
1604 /* send the low-level hook message for a given hardware message */
1605 static int send_hook_ll_message( struct desktop
*desktop
, struct message
*hardware_msg
,
1606 const hw_input_t
*input
, struct msg_queue
*sender
)
1608 struct thread
*hook_thread
;
1609 struct msg_queue
*queue
;
1610 struct message
*msg
;
1611 timeout_t timeout
= 2000 * -10000; /* FIXME: load from registry */
1612 int id
= (input
->type
== INPUT_MOUSE
) ? WH_MOUSE_LL
: WH_KEYBOARD_LL
;
1614 if (!(hook_thread
= get_first_global_hook( id
))) return 0;
1615 if (!(queue
= hook_thread
->queue
)) return 0;
1616 if (is_queue_hung( queue
)) return 0;
1618 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1620 msg
->type
= MSG_HOOK_LL
;
1623 msg
->wparam
= hardware_msg
->msg
;
1624 msg
->x
= hardware_msg
->x
;
1625 msg
->y
= hardware_msg
->y
;
1626 msg
->time
= hardware_msg
->time
;
1627 msg
->data_size
= hardware_msg
->data_size
;
1630 if (input
->type
== INPUT_KEYBOARD
)
1632 unsigned short vkey
= input
->kbd
.vkey
;
1633 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
) vkey
= VK_PACKET
;
1634 msg
->lparam
= (input
->kbd
.scan
<< 16) | vkey
;
1636 else msg
->lparam
= input
->mouse
.data
<< 16;
1638 if (!(msg
->data
= memdup( hardware_msg
->data
, hardware_msg
->data_size
)) ||
1639 !(msg
->result
= alloc_message_result( sender
, queue
, msg
, timeout
)))
1641 free_message( msg
);
1644 msg
->result
->hardware_msg
= hardware_msg
;
1645 msg
->result
->desktop
= (struct desktop
*)grab_object( desktop
);
1646 list_add_tail( &queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
1647 set_queue_bits( queue
, QS_SENDMESSAGE
);
1651 /* get the foreground thread for a desktop and a window receiving input */
1652 static struct thread
*get_foreground_thread( struct desktop
*desktop
, user_handle_t window
)
1654 /* if desktop has no foreground process, assume the receiving window is */
1655 if (desktop
->foreground_input
) return get_window_thread( desktop
->foreground_input
->focus
);
1656 if (window
) return get_window_thread( window
);
1660 struct rawinput_message
1662 struct thread
*foreground
;
1663 struct desktop
*desktop
;
1664 struct hw_msg_source source
;
1666 unsigned int message
;
1667 struct hardware_msg_data data
;
1668 const void *hid_report
;
1671 /* check if process is supposed to receive a WM_INPUT message and eventually queue it */
1672 static int queue_rawinput_message( struct process
* process
, void *arg
)
1674 const struct rawinput_message
* raw_msg
= arg
;
1675 const struct rawinput_device_entry
*entry
;
1676 const struct rawinput_device
*device
= NULL
;
1677 struct desktop
*target_desktop
= NULL
, *desktop
= NULL
;
1678 struct thread
*target_thread
= NULL
, *foreground
= NULL
;
1679 struct message
*msg
;
1680 data_size_t report_size
;
1681 int wparam
= RIM_INPUT
;
1683 if (raw_msg
->data
.rawinput
.type
== RIM_TYPEMOUSE
)
1684 device
= process
->rawinput_mouse
;
1685 else if (raw_msg
->data
.rawinput
.type
== RIM_TYPEKEYBOARD
)
1686 device
= process
->rawinput_kbd
;
1687 else if ((entry
= find_rawinput_device( process
, raw_msg
->data
.rawinput
.hid
.usage_page
, raw_msg
->data
.rawinput
.hid
.usage
)))
1688 device
= &entry
->device
;
1689 if (!device
) return 0;
1691 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& !(device
->flags
& RIDEV_DEVNOTIFY
)) return 0;
1693 if (raw_msg
->desktop
) desktop
= (struct desktop
*)grab_object( raw_msg
->desktop
);
1694 else if (!(desktop
= get_desktop_obj( process
, process
->desktop
, 0 ))) goto done
;
1696 if (raw_msg
->foreground
) foreground
= (struct thread
*)grab_object( raw_msg
->foreground
);
1697 else if (!(foreground
= get_foreground_thread( desktop
, 0 ))) goto done
;
1699 if (process
!= foreground
->process
)
1701 if (raw_msg
->message
== WM_INPUT
&& !(device
->flags
& RIDEV_INPUTSINK
)) goto done
;
1702 if (!(target_thread
= get_window_thread( device
->target
))) goto done
;
1703 if (!(target_desktop
= get_thread_desktop( target_thread
, 0 ))) goto done
;
1704 if (target_desktop
!= desktop
) goto done
;
1705 wparam
= RIM_INPUTSINK
;
1708 if (raw_msg
->data
.rawinput
.type
!= RIM_TYPEHID
|| !raw_msg
->hid_report
) report_size
= 0;
1709 else report_size
= raw_msg
->data
.size
- sizeof(raw_msg
->data
);
1711 if (!(msg
= alloc_hardware_message( raw_msg
->data
.info
, raw_msg
->source
, raw_msg
->time
, report_size
)))
1714 msg
->win
= device
->target
;
1715 msg
->msg
= raw_msg
->message
;
1716 msg
->wparam
= wparam
;
1718 memcpy( msg
->data
, &raw_msg
->data
, sizeof(raw_msg
->data
) );
1719 if (report_size
) memcpy( (struct hardware_msg_data
*)msg
->data
+ 1, raw_msg
->hid_report
, report_size
);
1721 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& raw_msg
->data
.rawinput
.type
== RIM_TYPEHID
)
1723 msg
->wparam
= raw_msg
->data
.rawinput
.hid
.param
;
1724 msg
->lparam
= raw_msg
->data
.rawinput
.hid
.device
;
1727 queue_hardware_message( desktop
, msg
, 1 );
1730 if (target_thread
) release_object( target_thread
);
1731 if (target_desktop
) release_object( target_desktop
);
1732 if (foreground
) release_object( foreground
);
1733 if (desktop
) release_object( desktop
);
1737 /* queue a hardware message for a mouse event */
1738 static int queue_mouse_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1739 unsigned int origin
, struct msg_queue
*sender
)
1741 const struct rawinput_device
*device
;
1742 struct hardware_msg_data
*msg_data
;
1743 struct rawinput_message raw_msg
;
1744 struct message
*msg
;
1745 struct thread
*foreground
;
1746 unsigned int i
, time
, flags
;
1747 struct hw_msg_source source
= { IMDT_MOUSE
, origin
};
1750 static const unsigned int messages
[] =
1752 WM_MOUSEMOVE
, /* 0x0001 = MOUSEEVENTF_MOVE */
1753 WM_LBUTTONDOWN
, /* 0x0002 = MOUSEEVENTF_LEFTDOWN */
1754 WM_LBUTTONUP
, /* 0x0004 = MOUSEEVENTF_LEFTUP */
1755 WM_RBUTTONDOWN
, /* 0x0008 = MOUSEEVENTF_RIGHTDOWN */
1756 WM_RBUTTONUP
, /* 0x0010 = MOUSEEVENTF_RIGHTUP */
1757 WM_MBUTTONDOWN
, /* 0x0020 = MOUSEEVENTF_MIDDLEDOWN */
1758 WM_MBUTTONUP
, /* 0x0040 = MOUSEEVENTF_MIDDLEUP */
1759 WM_XBUTTONDOWN
, /* 0x0080 = MOUSEEVENTF_XDOWN */
1760 WM_XBUTTONUP
, /* 0x0100 = MOUSEEVENTF_XUP */
1761 0, /* 0x0200 = unused */
1762 0, /* 0x0400 = unused */
1763 WM_MOUSEWHEEL
, /* 0x0800 = MOUSEEVENTF_WHEEL */
1764 WM_MOUSEHWHEEL
/* 0x1000 = MOUSEEVENTF_HWHEEL */
1767 desktop
->cursor
.last_change
= get_tick_count();
1768 flags
= input
->mouse
.flags
;
1769 time
= input
->mouse
.time
;
1770 if (!time
) time
= desktop
->cursor
.last_change
;
1772 if (flags
& MOUSEEVENTF_MOVE
)
1774 if (flags
& MOUSEEVENTF_ABSOLUTE
)
1778 if (flags
& ~(MOUSEEVENTF_MOVE
| MOUSEEVENTF_ABSOLUTE
) &&
1779 x
== desktop
->cursor
.x
&& y
== desktop
->cursor
.y
)
1780 flags
&= ~MOUSEEVENTF_MOVE
;
1784 x
= desktop
->cursor
.x
+ input
->mouse
.x
;
1785 y
= desktop
->cursor
.y
+ input
->mouse
.y
;
1790 x
= desktop
->cursor
.x
;
1791 y
= desktop
->cursor
.y
;
1794 if ((foreground
= get_foreground_thread( desktop
, win
)))
1796 raw_msg
.foreground
= foreground
;
1797 raw_msg
.desktop
= desktop
;
1798 raw_msg
.source
= source
;
1799 raw_msg
.time
= time
;
1800 raw_msg
.message
= WM_INPUT
;
1801 raw_msg
.hid_report
= NULL
;
1803 msg_data
= &raw_msg
.data
;
1804 msg_data
->info
= input
->mouse
.info
;
1805 msg_data
->size
= sizeof(*msg_data
);
1806 msg_data
->flags
= flags
;
1807 msg_data
->rawinput
.type
= RIM_TYPEMOUSE
;
1808 msg_data
->rawinput
.mouse
.x
= x
- desktop
->cursor
.x
;
1809 msg_data
->rawinput
.mouse
.y
= y
- desktop
->cursor
.y
;
1810 msg_data
->rawinput
.mouse
.data
= input
->mouse
.data
;
1812 enum_processes( queue_rawinput_message
, &raw_msg
);
1813 release_object( foreground
);
1816 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
1818 update_desktop_mouse_state( desktop
, flags
, x
, y
, input
->mouse
.data
<< 16 );
1822 for (i
= 0; i
< ARRAY_SIZE( messages
); i
++)
1824 if (!messages
[i
]) continue;
1825 if (!(flags
& (1 << i
))) continue;
1828 if (!(msg
= alloc_hardware_message( input
->mouse
.info
, source
, time
, 0 ))) return 0;
1829 msg_data
= msg
->data
;
1831 msg
->win
= get_user_full_handle( win
);
1832 msg
->msg
= messages
[i
];
1833 msg
->wparam
= input
->mouse
.data
<< 16;
1837 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLMHF_INJECTED
;
1839 /* specify a sender only when sending the last message */
1840 if (!(flags
& ((1 << ARRAY_SIZE( messages
)) - 1)))
1842 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1843 queue_hardware_message( desktop
, msg
, 0 );
1845 else if (!send_hook_ll_message( desktop
, msg
, input
, NULL
))
1846 queue_hardware_message( desktop
, msg
, 0 );
1851 /* queue a hardware message for a keyboard event */
1852 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1853 unsigned int origin
, struct msg_queue
*sender
)
1855 struct hw_msg_source source
= { IMDT_KEYBOARD
, origin
};
1856 const struct rawinput_device
*device
;
1857 struct hardware_msg_data
*msg_data
;
1858 struct rawinput_message raw_msg
;
1859 struct message
*msg
;
1860 struct thread
*foreground
;
1861 unsigned char vkey
= input
->kbd
.vkey
;
1862 unsigned int message_code
, time
;
1865 if (!(time
= input
->kbd
.time
)) time
= get_tick_count();
1867 if (!(input
->kbd
.flags
& KEYEVENTF_UNICODE
))
1874 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RMENU
: VK_LMENU
;
1879 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RCONTROL
: VK_LCONTROL
;
1884 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RSHIFT
: VK_LSHIFT
;
1889 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_KEYUP
: WM_KEYDOWN
;
1894 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
)
1896 /* send WM_SYSKEYUP if Alt still pressed and no other key in between */
1897 /* we use 0x02 as a flag to track if some other SYSKEYUP was sent already */
1898 if ((desktop
->keystate
[VK_MENU
] & 0x82) != 0x82) break;
1899 message_code
= WM_SYSKEYUP
;
1900 desktop
->keystate
[VK_MENU
] &= ~0x02;
1904 /* send WM_SYSKEYDOWN for Alt except with Ctrl */
1905 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1906 message_code
= WM_SYSKEYDOWN
;
1907 desktop
->keystate
[VK_MENU
] |= 0x02;
1913 /* send WM_SYSKEYUP on release if Alt still pressed */
1914 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
)) break;
1915 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1916 message_code
= WM_SYSKEYUP
;
1917 desktop
->keystate
[VK_MENU
] &= ~0x02;
1921 /* send WM_SYSKEY for Alt-anykey and for F10 */
1922 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1923 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1926 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_SYSKEYUP
: WM_SYSKEYDOWN
;
1927 desktop
->keystate
[VK_MENU
] &= ~0x02;
1931 if ((foreground
= get_foreground_thread( desktop
, win
)))
1933 raw_msg
.foreground
= foreground
;
1934 raw_msg
.desktop
= desktop
;
1935 raw_msg
.source
= source
;
1936 raw_msg
.time
= time
;
1937 raw_msg
.message
= WM_INPUT
;
1938 raw_msg
.hid_report
= NULL
;
1940 msg_data
= &raw_msg
.data
;
1941 msg_data
->info
= input
->kbd
.info
;
1942 msg_data
->size
= sizeof(*msg_data
);
1943 msg_data
->flags
= input
->kbd
.flags
;
1944 msg_data
->rawinput
.type
= RIM_TYPEKEYBOARD
;
1945 msg_data
->rawinput
.kbd
.message
= message_code
;
1946 msg_data
->rawinput
.kbd
.vkey
= vkey
;
1947 msg_data
->rawinput
.kbd
.scan
= input
->kbd
.scan
;
1949 enum_processes( queue_rawinput_message
, &raw_msg
);
1950 release_object( foreground
);
1953 if ((device
= current
->process
->rawinput_kbd
) && (device
->flags
& RIDEV_NOLEGACY
))
1955 update_input_key_state( desktop
, desktop
->keystate
, message_code
, vkey
);
1959 if (!(msg
= alloc_hardware_message( input
->kbd
.info
, source
, time
, 0 ))) return 0;
1960 msg_data
= msg
->data
;
1962 msg
->win
= get_user_full_handle( win
);
1963 msg
->msg
= message_code
;
1964 msg
->lparam
= (input
->kbd
.scan
<< 16) | 1u; /* repeat count */
1965 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLKHF_INJECTED
;
1967 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
&& !vkey
)
1969 msg
->wparam
= VK_PACKET
;
1973 unsigned int flags
= 0;
1974 if (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) flags
|= KF_EXTENDED
;
1975 /* FIXME: set KF_DLGMODE and KF_MENUMODE when needed */
1976 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
) flags
|= KF_REPEAT
| KF_UP
;
1977 else if (desktop
->keystate
[vkey
] & 0x80) flags
|= KF_REPEAT
;
1980 msg
->lparam
|= flags
<< 16;
1981 msg_data
->flags
|= (flags
& (KF_EXTENDED
| KF_ALTDOWN
| KF_UP
)) >> 8;
1984 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1985 queue_hardware_message( desktop
, msg
, 1 );
1990 /* queue a hardware message for a custom type of event */
1991 static void queue_custom_hardware_message( struct desktop
*desktop
, user_handle_t win
,
1992 unsigned int origin
, const hw_input_t
*input
)
1994 struct hw_msg_source source
= { IMDT_UNAVAILABLE
, origin
};
1995 struct hardware_msg_data
*msg_data
;
1996 struct rawinput_message raw_msg
;
1997 struct message
*msg
;
1998 data_size_t report_size
= 0;
2000 switch (input
->hw
.msg
)
2003 case WM_INPUT_DEVICE_CHANGE
:
2004 raw_msg
.foreground
= NULL
;
2005 raw_msg
.desktop
= NULL
;
2006 raw_msg
.source
= source
;
2007 raw_msg
.time
= get_tick_count();
2008 raw_msg
.message
= input
->hw
.msg
;
2009 raw_msg
.hid_report
= NULL
;
2011 if (input
->hw
.rawinput
.type
== RIM_TYPEHID
)
2013 raw_msg
.hid_report
= get_req_data();
2014 report_size
= input
->hw
.rawinput
.hid
.length
* input
->hw
.rawinput
.hid
.count
;
2017 if (report_size
!= get_req_data_size())
2019 set_error( STATUS_INVALID_PARAMETER
);
2023 msg_data
= &raw_msg
.data
;
2025 msg_data
->size
= sizeof(*msg_data
) + report_size
;
2026 msg_data
->flags
= 0;
2027 msg_data
->rawinput
= input
->hw
.rawinput
;
2029 enum_processes( queue_rawinput_message
, &raw_msg
);
2031 if (raw_msg
.foreground
) release_object( raw_msg
.foreground
);
2035 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
2037 msg
->win
= get_user_full_handle( win
);
2038 msg
->msg
= input
->hw
.msg
;
2040 msg
->lparam
= input
->hw
.lparam
;
2041 msg
->x
= desktop
->cursor
.x
;
2042 msg
->y
= desktop
->cursor
.y
;
2044 queue_hardware_message( desktop
, msg
, 1 );
2047 /* check message filter for a hardware message */
2048 static int check_hw_message_filter( user_handle_t win
, unsigned int msg_code
,
2049 user_handle_t filter_win
, unsigned int first
, unsigned int last
)
2051 if (msg_code
>= WM_KEYFIRST
&& msg_code
<= WM_KEYLAST
)
2053 /* we can only test the window for a keyboard message since the
2054 * dest window for a mouse message depends on hittest */
2055 if (filter_win
&& win
!= filter_win
&& !is_child_window( filter_win
, win
))
2057 /* the message code is final for a keyboard message, we can simply check it */
2058 return check_msg_filter( msg_code
, first
, last
);
2060 else /* mouse message */
2062 /* we need to check all possible values that the message can have in the end */
2064 if (check_msg_filter( msg_code
, first
, last
)) return 1;
2065 if (msg_code
== WM_MOUSEWHEEL
) return 0; /* no other possible value for this one */
2067 /* all other messages can become non-client messages */
2068 if (check_msg_filter( msg_code
+ (WM_NCMOUSEFIRST
- WM_MOUSEFIRST
), first
, last
)) return 1;
2070 /* clicks can become double-clicks or non-client double-clicks */
2071 if (msg_code
== WM_LBUTTONDOWN
|| msg_code
== WM_MBUTTONDOWN
||
2072 msg_code
== WM_RBUTTONDOWN
|| msg_code
== WM_XBUTTONDOWN
)
2074 if (check_msg_filter( msg_code
+ (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2075 if (check_msg_filter( msg_code
+ (WM_NCLBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2082 /* find a hardware message for the given queue */
2083 static int get_hardware_message( struct thread
*thread
, unsigned int hw_id
, user_handle_t filter_win
,
2084 unsigned int first
, unsigned int last
, unsigned int flags
,
2085 struct get_message_reply
*reply
)
2087 struct thread_input
*input
= thread
->queue
->input
;
2088 struct thread
*win_thread
;
2091 int clear_bits
, got_one
= 0;
2092 unsigned int msg_code
;
2094 ptr
= list_head( &input
->msg_list
);
2099 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2100 if (msg
->unique_id
== hw_id
) break;
2101 ptr
= list_next( &input
->msg_list
, ptr
);
2103 if (!ptr
) ptr
= list_head( &input
->msg_list
);
2104 else ptr
= list_next( &input
->msg_list
, ptr
); /* start from the next one */
2107 if (ptr
== list_head( &input
->msg_list
))
2108 clear_bits
= QS_INPUT
;
2110 clear_bits
= 0; /* don't clear bits if we don't go through the whole list */
2114 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2115 struct hardware_msg_data
*data
= msg
->data
;
2117 ptr
= list_next( &input
->msg_list
, ptr
);
2118 win
= find_hardware_message_window( input
->desktop
, input
, msg
, &msg_code
, &win_thread
);
2119 if (!win
|| !win_thread
)
2121 /* no window at all, remove it */
2122 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
2123 list_remove( &msg
->entry
);
2124 free_message( msg
);
2127 if (win_thread
!= thread
)
2129 if (win_thread
->queue
->input
== input
)
2131 /* wake the other thread */
2132 set_queue_bits( win_thread
->queue
, get_hardware_msg_bit(msg
) );
2137 /* for another thread input, drop it */
2138 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
2139 list_remove( &msg
->entry
);
2140 free_message( msg
);
2142 release_object( win_thread
);
2145 release_object( win_thread
);
2147 /* if we already got a message for another thread, or if it doesn't
2148 * match the filter we skip it */
2149 if (got_one
|| !check_hw_message_filter( win
, msg_code
, filter_win
, first
, last
))
2151 clear_bits
&= ~get_hardware_msg_bit( msg
);
2154 /* now we can return it */
2155 if (!msg
->unique_id
) msg
->unique_id
= get_unique_id();
2156 reply
->type
= MSG_HARDWARE
;
2158 reply
->msg
= msg_code
;
2159 reply
->wparam
= msg
->wparam
;
2160 reply
->lparam
= msg
->lparam
;
2163 reply
->time
= msg
->time
;
2165 data
->hw_id
= msg
->unique_id
;
2166 set_reply_data( msg
->data
, msg
->data_size
);
2167 if ((msg
->msg
== WM_INPUT
|| msg
->msg
== WM_INPUT_DEVICE_CHANGE
) && (flags
& PM_REMOVE
))
2168 release_hardware_message( current
->queue
, data
->hw_id
);
2171 /* nothing found, clear the hardware queue bits */
2172 clear_queue_bits( thread
->queue
, clear_bits
);
2176 /* increment (or decrement if 'incr' is negative) the queue paint count */
2177 void inc_queue_paint_count( struct thread
*thread
, int incr
)
2179 struct msg_queue
*queue
= thread
->queue
;
2183 if ((queue
->paint_count
+= incr
) < 0) queue
->paint_count
= 0;
2185 if (queue
->paint_count
)
2186 set_queue_bits( queue
, QS_PAINT
);
2188 clear_queue_bits( queue
, QS_PAINT
);
2192 /* remove all messages and timers belonging to a certain window */
2193 void queue_cleanup_window( struct thread
*thread
, user_handle_t win
)
2195 struct msg_queue
*queue
= thread
->queue
;
2203 ptr
= list_head( &queue
->pending_timers
);
2206 struct list
*next
= list_next( &queue
->pending_timers
, ptr
);
2207 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2208 if (timer
->win
== win
) free_timer( queue
, timer
);
2211 ptr
= list_head( &queue
->expired_timers
);
2214 struct list
*next
= list_next( &queue
->expired_timers
, ptr
);
2215 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2216 if (timer
->win
== win
) free_timer( queue
, timer
);
2220 /* remove messages */
2221 for (i
= 0; i
< NB_MSG_KINDS
; i
++)
2223 struct list
*ptr
, *next
;
2225 LIST_FOR_EACH_SAFE( ptr
, next
, &queue
->msg_list
[i
] )
2227 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2228 if (msg
->win
== win
)
2230 if (msg
->msg
== WM_QUIT
&& !queue
->quit_message
)
2232 queue
->quit_message
= 1;
2233 queue
->exit_code
= msg
->wparam
;
2235 remove_queue_message( queue
, msg
, i
);
2240 thread_input_cleanup_window( queue
, win
);
2243 /* post a message to a window */
2244 void post_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2246 struct message
*msg
;
2247 struct thread
*thread
= get_window_thread( win
);
2249 if (!thread
) return;
2251 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2253 msg
->type
= MSG_POSTED
;
2254 msg
->win
= get_user_full_handle( win
);
2256 msg
->wparam
= wparam
;
2257 msg
->lparam
= lparam
;
2262 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2264 list_add_tail( &thread
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2265 set_queue_bits( thread
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2266 if (message
== WM_HOTKEY
)
2268 set_queue_bits( thread
->queue
, QS_HOTKEY
);
2269 thread
->queue
->hotkey_count
++;
2272 release_object( thread
);
2275 /* send a notify message to a window */
2276 void send_notify_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2278 struct message
*msg
;
2279 struct thread
*thread
= get_window_thread( win
);
2281 if (!thread
) return;
2283 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2285 msg
->type
= MSG_NOTIFY
;
2286 msg
->win
= get_user_full_handle( win
);
2288 msg
->wparam
= wparam
;
2289 msg
->lparam
= lparam
;
2294 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2296 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2297 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2299 release_object( thread
);
2302 /* post a win event */
2303 void post_win_event( struct thread
*thread
, unsigned int event
,
2304 user_handle_t win
, unsigned int object_id
,
2305 unsigned int child_id
, client_ptr_t hook_proc
,
2306 const WCHAR
*module
, data_size_t module_size
,
2309 struct message
*msg
;
2311 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2313 struct winevent_msg_data
*data
;
2315 msg
->type
= MSG_WINEVENT
;
2316 msg
->win
= get_user_full_handle( win
);
2318 msg
->wparam
= object_id
;
2319 msg
->lparam
= child_id
;
2320 msg
->time
= get_tick_count();
2323 if ((data
= malloc( sizeof(*data
) + module_size
)))
2326 data
->tid
= get_thread_id( current
);
2327 data
->hook_proc
= hook_proc
;
2328 memcpy( data
+ 1, module
, module_size
);
2331 msg
->data_size
= sizeof(*data
) + module_size
;
2333 if (debug_level
> 1)
2334 fprintf( stderr
, "post_win_event: tid %04x event %04x win %08x object_id %d child_id %d\n",
2335 get_thread_id(thread
), event
, win
, object_id
, child_id
);
2336 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2337 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2344 /* free all hotkeys on a desktop, optionally filtering by window */
2345 void free_hotkeys( struct desktop
*desktop
, user_handle_t window
)
2347 struct hotkey
*hotkey
, *hotkey2
;
2349 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &desktop
->hotkeys
, struct hotkey
, entry
)
2351 if (!window
|| hotkey
->win
== window
)
2353 list_remove( &hotkey
->entry
);
2360 /* check if the thread owning the window is hung */
2361 DECL_HANDLER(is_window_hung
)
2363 struct thread
*thread
;
2365 thread
= get_window_thread( req
->win
);
2368 reply
->is_hung
= is_queue_hung( thread
->queue
);
2369 release_object( thread
);
2371 else reply
->is_hung
= 0;
2375 /* get the message queue of the current thread */
2376 DECL_HANDLER(get_msg_queue
)
2378 struct msg_queue
*queue
= get_current_queue();
2381 if (queue
) reply
->handle
= alloc_handle( current
->process
, queue
, SYNCHRONIZE
, 0 );
2385 /* set the file descriptor associated to the current thread queue */
2386 DECL_HANDLER(set_queue_fd
)
2388 struct msg_queue
*queue
= get_current_queue();
2392 if (queue
->fd
) /* fd can only be set once */
2394 set_error( STATUS_ACCESS_DENIED
);
2397 if (!(file
= get_file_obj( current
->process
, req
->handle
, SYNCHRONIZE
))) return;
2399 if ((unix_fd
= get_file_unix_fd( file
)) != -1)
2401 if ((unix_fd
= dup( unix_fd
)) != -1)
2402 queue
->fd
= create_anonymous_fd( &msg_queue_fd_ops
, unix_fd
, &queue
->obj
, 0 );
2406 release_object( file
);
2410 /* set the current message queue wakeup mask */
2411 DECL_HANDLER(set_queue_mask
)
2413 struct msg_queue
*queue
= get_current_queue();
2417 queue
->wake_mask
= req
->wake_mask
;
2418 queue
->changed_mask
= req
->changed_mask
;
2419 reply
->wake_bits
= queue
->wake_bits
;
2420 reply
->changed_bits
= queue
->changed_bits
;
2421 if (is_signaled( queue
))
2423 /* if skip wait is set, do what would have been done in the subsequent wait */
2424 if (req
->skip_wait
) queue
->wake_mask
= queue
->changed_mask
= 0;
2425 else wake_up( &queue
->obj
, 0 );
2431 /* get the current message queue status */
2432 DECL_HANDLER(get_queue_status
)
2434 struct msg_queue
*queue
= current
->queue
;
2437 reply
->wake_bits
= queue
->wake_bits
;
2438 reply
->changed_bits
= queue
->changed_bits
;
2439 queue
->changed_bits
&= ~req
->clear_bits
;
2441 else reply
->wake_bits
= reply
->changed_bits
= 0;
2445 /* send a message to a thread queue */
2446 DECL_HANDLER(send_message
)
2448 struct message
*msg
;
2449 struct msg_queue
*send_queue
= get_current_queue();
2450 struct msg_queue
*recv_queue
= NULL
;
2451 struct thread
*thread
= NULL
;
2453 if (!(thread
= get_thread_from_id( req
->id
))) return;
2455 if (!(recv_queue
= thread
->queue
))
2457 set_error( STATUS_INVALID_PARAMETER
);
2458 release_object( thread
);
2461 if ((req
->flags
& SEND_MSG_ABORT_IF_HUNG
) && is_queue_hung(recv_queue
))
2463 set_error( STATUS_TIMEOUT
);
2464 release_object( thread
);
2468 if ((msg
= mem_alloc( sizeof(*msg
) )))
2470 msg
->type
= req
->type
;
2471 msg
->win
= get_user_full_handle( req
->win
);
2472 msg
->msg
= req
->msg
;
2473 msg
->wparam
= req
->wparam
;
2474 msg
->lparam
= req
->lparam
;
2477 msg
->data_size
= get_req_data_size();
2479 get_message_defaults( recv_queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2481 if (msg
->data_size
&& !(msg
->data
= memdup( get_req_data(), msg
->data_size
)))
2484 release_object( thread
);
2490 case MSG_OTHER_PROCESS
:
2494 if (!(msg
->result
= alloc_message_result( send_queue
, recv_queue
, msg
, req
->timeout
)))
2496 free_message( msg
);
2501 list_add_tail( &recv_queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2502 set_queue_bits( recv_queue
, QS_SENDMESSAGE
);
2505 list_add_tail( &recv_queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2506 set_queue_bits( recv_queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2507 if (msg
->msg
== WM_HOTKEY
)
2509 set_queue_bits( recv_queue
, QS_HOTKEY
);
2510 recv_queue
->hotkey_count
++;
2513 case MSG_HARDWARE
: /* should use send_hardware_message instead */
2514 case MSG_CALLBACK_RESULT
: /* cannot send this one */
2515 case MSG_HOOK_LL
: /* generated internally */
2517 set_error( STATUS_INVALID_PARAMETER
);
2522 release_object( thread
);
2525 /* send a hardware message to a thread queue */
2526 DECL_HANDLER(send_hardware_message
)
2528 struct thread
*thread
= NULL
;
2529 struct desktop
*desktop
;
2530 unsigned int origin
= (req
->flags
& SEND_HWMSG_INJECTED
? IMO_INJECTED
: IMO_HARDWARE
);
2531 struct msg_queue
*sender
= get_current_queue();
2532 data_size_t size
= min( 256, get_reply_max_size() );
2534 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2538 if (!(thread
= get_window_thread( req
->win
))) return;
2539 if (desktop
!= thread
->queue
->input
->desktop
)
2541 /* don't allow queuing events to a different desktop */
2542 release_object( desktop
);
2547 reply
->prev_x
= desktop
->cursor
.x
;
2548 reply
->prev_y
= desktop
->cursor
.y
;
2550 switch (req
->input
.type
)
2553 reply
->wait
= queue_mouse_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2555 case INPUT_KEYBOARD
:
2556 reply
->wait
= queue_keyboard_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2558 case INPUT_HARDWARE
:
2559 queue_custom_hardware_message( desktop
, req
->win
, origin
, &req
->input
);
2562 set_error( STATUS_INVALID_PARAMETER
);
2564 if (thread
) release_object( thread
);
2566 reply
->new_x
= desktop
->cursor
.x
;
2567 reply
->new_y
= desktop
->cursor
.y
;
2568 set_reply_data( desktop
->keystate
, size
);
2569 release_object( desktop
);
2572 /* post a quit message to the current queue */
2573 DECL_HANDLER(post_quit_message
)
2575 struct msg_queue
*queue
= get_current_queue();
2580 queue
->quit_message
= 1;
2581 queue
->exit_code
= req
->exit_code
;
2582 set_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2585 /* get a message from the current queue */
2586 DECL_HANDLER(get_message
)
2588 struct timer
*timer
;
2590 struct msg_queue
*queue
= get_current_queue();
2591 user_handle_t get_win
= get_user_full_handle( req
->get_win
);
2592 unsigned int filter
= req
->flags
>> 16;
2594 reply
->active_hooks
= get_active_hooks();
2596 if (get_win
&& get_win
!= 1 && get_win
!= -1 && !get_user_object( get_win
, USER_WINDOW
))
2598 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2603 queue
->last_get_msg
= current_time
;
2604 if (!filter
) filter
= QS_ALLINPUT
;
2606 /* first check for sent messages */
2607 if ((ptr
= list_head( &queue
->msg_list
[SEND_MESSAGE
] )))
2609 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2610 receive_message( queue
, msg
, reply
);
2614 /* clear changed bits so we can wait on them if we don't find a message */
2615 if (filter
& QS_POSTMESSAGE
)
2617 queue
->changed_bits
&= ~(QS_POSTMESSAGE
| QS_HOTKEY
| QS_TIMER
);
2618 if (req
->get_first
== 0 && req
->get_last
== ~0U) queue
->changed_bits
&= ~QS_ALLPOSTMESSAGE
;
2620 if (filter
& QS_INPUT
) queue
->changed_bits
&= ~QS_INPUT
;
2621 if (filter
& QS_PAINT
) queue
->changed_bits
&= ~QS_PAINT
;
2623 /* then check for posted messages */
2624 if ((filter
& QS_POSTMESSAGE
) &&
2625 get_posted_message( queue
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2628 if ((filter
& QS_HOTKEY
) && queue
->hotkey_count
&&
2629 req
->get_first
<= WM_HOTKEY
&& req
->get_last
>= WM_HOTKEY
&&
2630 get_posted_message( queue
, get_win
, WM_HOTKEY
, WM_HOTKEY
, req
->flags
, reply
))
2633 /* only check for quit messages if not posted messages pending */
2634 if ((filter
& QS_POSTMESSAGE
) && get_quit_message( queue
, req
->flags
, reply
))
2637 /* then check for any raw hardware message */
2638 if ((filter
& QS_INPUT
) &&
2639 filter_contains_hw_range( req
->get_first
, req
->get_last
) &&
2640 get_hardware_message( current
, req
->hw_id
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2643 /* now check for WM_PAINT */
2644 if ((filter
& QS_PAINT
) &&
2645 queue
->paint_count
&&
2646 check_msg_filter( WM_PAINT
, req
->get_first
, req
->get_last
) &&
2647 (reply
->win
= find_window_to_repaint( get_win
, current
)))
2649 reply
->type
= MSG_POSTED
;
2650 reply
->msg
= WM_PAINT
;
2653 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2657 /* now check for timer */
2658 if ((filter
& QS_TIMER
) &&
2659 (timer
= find_expired_timer( queue
, get_win
, req
->get_first
,
2660 req
->get_last
, (req
->flags
& PM_REMOVE
) )))
2662 reply
->type
= MSG_POSTED
;
2663 reply
->win
= timer
->win
;
2664 reply
->msg
= timer
->msg
;
2665 reply
->wparam
= timer
->id
;
2666 reply
->lparam
= timer
->lparam
;
2667 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2668 if (!(req
->flags
& PM_NOYIELD
) && current
->process
->idle_event
)
2669 set_event( current
->process
->idle_event
);
2673 if (get_win
== -1 && current
->process
->idle_event
) set_event( current
->process
->idle_event
);
2674 queue
->wake_mask
= req
->wake_mask
;
2675 queue
->changed_mask
= req
->changed_mask
;
2676 set_error( STATUS_PENDING
); /* FIXME */
2680 /* reply to a sent message */
2681 DECL_HANDLER(reply_message
)
2683 if (!current
->queue
) set_error( STATUS_ACCESS_DENIED
);
2684 else if (current
->queue
->recv_result
)
2685 reply_message( current
->queue
, req
->result
, 0, req
->remove
,
2686 get_req_data(), get_req_data_size() );
2690 /* accept the current hardware message */
2691 DECL_HANDLER(accept_hardware_message
)
2694 release_hardware_message( current
->queue
, req
->hw_id
);
2696 set_error( STATUS_ACCESS_DENIED
);
2700 /* retrieve the reply for the last message sent */
2701 DECL_HANDLER(get_message_reply
)
2703 struct message_result
*result
;
2705 struct msg_queue
*queue
= current
->queue
;
2709 set_error( STATUS_PENDING
);
2712 if (!(entry
= list_head( &queue
->send_result
))) return; /* no reply ready */
2714 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2715 if (result
->replied
|| req
->cancel
)
2717 if (result
->replied
)
2719 reply
->result
= result
->result
;
2720 set_error( result
->error
);
2723 data_size_t data_len
= min( result
->data_size
, get_reply_max_size() );
2724 set_reply_data_ptr( result
->data
, data_len
);
2725 result
->data
= NULL
;
2726 result
->data_size
= 0;
2729 remove_result_from_sender( result
);
2731 entry
= list_head( &queue
->send_result
);
2732 if (!entry
) clear_queue_bits( queue
, QS_SMRESULT
);
2735 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2736 if (result
->replied
) set_queue_bits( queue
, QS_SMRESULT
);
2737 else clear_queue_bits( queue
, QS_SMRESULT
);
2741 else set_error( STATUS_ACCESS_DENIED
);
2745 /* set a window timer */
2746 DECL_HANDLER(set_win_timer
)
2748 struct timer
*timer
;
2749 struct msg_queue
*queue
;
2750 struct thread
*thread
= NULL
;
2751 user_handle_t win
= 0;
2752 lparam_t id
= req
->id
;
2756 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2758 set_error( STATUS_INVALID_HANDLE
);
2761 if (thread
->process
!= current
->process
)
2763 release_object( thread
);
2764 set_error( STATUS_ACCESS_DENIED
);
2767 queue
= thread
->queue
;
2768 /* remove it if it existed already */
2769 if ((timer
= find_timer( queue
, win
, req
->msg
, id
))) free_timer( queue
, timer
);
2773 queue
= get_current_queue();
2774 /* look for a timer with this id */
2775 if (id
&& (timer
= find_timer( queue
, 0, req
->msg
, id
)))
2777 /* free and reuse id */
2778 free_timer( queue
, timer
);
2782 lparam_t end_id
= queue
->next_timer_id
;
2784 /* find a free id for it */
2787 id
= queue
->next_timer_id
;
2788 if (--queue
->next_timer_id
<= 0x100) queue
->next_timer_id
= 0x7fff;
2790 if (!find_timer( queue
, 0, req
->msg
, id
)) break;
2791 if (queue
->next_timer_id
== end_id
)
2793 set_win32_error( ERROR_NO_MORE_USER_HANDLES
);
2800 if ((timer
= set_timer( queue
, req
->rate
)))
2803 timer
->msg
= req
->msg
;
2805 timer
->lparam
= req
->lparam
;
2808 if (thread
) release_object( thread
);
2811 /* kill a window timer */
2812 DECL_HANDLER(kill_win_timer
)
2814 struct timer
*timer
;
2815 struct thread
*thread
;
2816 user_handle_t win
= 0;
2820 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2822 set_error( STATUS_INVALID_HANDLE
);
2825 if (thread
->process
!= current
->process
)
2827 release_object( thread
);
2828 set_error( STATUS_ACCESS_DENIED
);
2832 else thread
= (struct thread
*)grab_object( current
);
2834 if (thread
->queue
&& (timer
= find_timer( thread
->queue
, win
, req
->msg
, req
->id
)))
2835 free_timer( thread
->queue
, timer
);
2837 set_error( STATUS_INVALID_PARAMETER
);
2839 release_object( thread
);
2842 DECL_HANDLER(register_hotkey
)
2844 struct desktop
*desktop
;
2845 user_handle_t win_handle
= req
->window
;
2846 struct hotkey
*hotkey
;
2847 struct hotkey
*new_hotkey
= NULL
;
2848 struct thread
*thread
;
2849 const int modifier_flags
= MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
;
2851 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2855 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2857 release_object( desktop
);
2861 thread
= get_window_thread( win_handle
);
2862 if (thread
) release_object( thread
);
2864 if (thread
!= current
)
2866 release_object( desktop
);
2867 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2872 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2874 if (req
->vkey
== hotkey
->vkey
&&
2875 (req
->flags
& modifier_flags
) == (hotkey
->flags
& modifier_flags
))
2877 release_object( desktop
);
2878 set_win32_error( ERROR_HOTKEY_ALREADY_REGISTERED
);
2881 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2882 new_hotkey
= hotkey
;
2887 reply
->replaced
= 1;
2888 reply
->flags
= new_hotkey
->flags
;
2889 reply
->vkey
= new_hotkey
->vkey
;
2893 new_hotkey
= mem_alloc( sizeof(*new_hotkey
) );
2896 list_add_tail( &desktop
->hotkeys
, &new_hotkey
->entry
);
2897 new_hotkey
->queue
= current
->queue
;
2898 new_hotkey
->win
= win_handle
;
2899 new_hotkey
->id
= req
->id
;
2905 new_hotkey
->flags
= req
->flags
;
2906 new_hotkey
->vkey
= req
->vkey
;
2909 release_object( desktop
);
2912 DECL_HANDLER(unregister_hotkey
)
2914 struct desktop
*desktop
;
2915 user_handle_t win_handle
= req
->window
;
2916 struct hotkey
*hotkey
;
2917 struct thread
*thread
;
2919 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2923 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2925 release_object( desktop
);
2929 thread
= get_window_thread( win_handle
);
2930 if (thread
) release_object( thread
);
2932 if (thread
!= current
)
2934 release_object( desktop
);
2935 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2940 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2942 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2946 release_object( desktop
);
2947 set_win32_error( ERROR_HOTKEY_NOT_REGISTERED
);
2951 reply
->flags
= hotkey
->flags
;
2952 reply
->vkey
= hotkey
->vkey
;
2953 list_remove( &hotkey
->entry
);
2955 release_object( desktop
);
2958 /* attach (or detach) thread inputs */
2959 DECL_HANDLER(attach_thread_input
)
2961 struct thread
*thread_from
= get_thread_from_id( req
->tid_from
);
2962 struct thread
*thread_to
= get_thread_from_id( req
->tid_to
);
2964 if (!thread_from
|| !thread_to
)
2966 if (thread_from
) release_object( thread_from
);
2967 if (thread_to
) release_object( thread_to
);
2970 if (thread_from
!= thread_to
)
2974 if ((thread_to
->queue
|| thread_to
== current
) &&
2975 (thread_from
->queue
|| thread_from
== current
))
2976 attach_thread_input( thread_from
, thread_to
);
2978 set_error( STATUS_INVALID_PARAMETER
);
2982 if (thread_from
->queue
&& thread_to
->queue
&&
2983 thread_from
->queue
->input
== thread_to
->queue
->input
)
2984 detach_thread_input( thread_from
);
2986 set_error( STATUS_ACCESS_DENIED
);
2989 else set_error( STATUS_ACCESS_DENIED
);
2990 release_object( thread_from
);
2991 release_object( thread_to
);
2995 /* get thread input data */
2996 DECL_HANDLER(get_thread_input
)
2998 struct thread
*thread
= NULL
;
2999 struct desktop
*desktop
;
3000 struct thread_input
*input
;
3004 if (!(thread
= get_thread_from_id( req
->tid
))) return;
3005 if (!(desktop
= get_thread_desktop( thread
, 0 )))
3007 release_object( thread
);
3010 input
= thread
->queue
? thread
->queue
->input
: NULL
;
3014 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3015 input
= desktop
->foreground_input
; /* get the foreground thread info */
3020 reply
->focus
= input
->focus
;
3021 reply
->capture
= input
->capture
;
3022 reply
->active
= input
->active
;
3023 reply
->menu_owner
= input
->menu_owner
;
3024 reply
->move_size
= input
->move_size
;
3025 reply
->caret
= input
->caret
;
3026 reply
->cursor
= input
->cursor
;
3027 reply
->show_count
= input
->cursor_count
;
3028 reply
->rect
= input
->caret_rect
;
3031 /* foreground window is active window of foreground thread */
3032 reply
->foreground
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
3033 if (thread
) release_object( thread
);
3034 release_object( desktop
);
3038 /* retrieve queue keyboard state for current thread or global async state */
3039 DECL_HANDLER(get_key_state
)
3041 struct desktop
*desktop
;
3042 data_size_t size
= min( 256, get_reply_max_size() );
3044 if (req
->async
) /* get global async key state */
3046 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3049 reply
->state
= desktop
->keystate
[req
->key
& 0xff];
3050 desktop
->keystate
[req
->key
& 0xff] &= ~0x40;
3052 set_reply_data( desktop
->keystate
, size
);
3053 release_object( desktop
);
3055 else if (!current
->queue
)
3057 unsigned char *keystate
;
3058 /* fallback to desktop keystate */
3059 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3060 if (req
->key
>= 0) reply
->state
= desktop
->keystate
[req
->key
& 0xff] & ~0x40;
3061 if ((keystate
= set_reply_data_size( size
)))
3064 for (i
= 0; i
< size
; i
++) keystate
[i
] = desktop
->keystate
[i
] & ~0x40;
3066 release_object( desktop
);
3070 unsigned char *keystate
= current
->queue
->input
->keystate
;
3071 if (req
->key
>= 0) reply
->state
= keystate
[req
->key
& 0xff];
3072 set_reply_data( keystate
, size
);
3077 /* set queue keyboard state for current thread */
3078 DECL_HANDLER(set_key_state
)
3080 struct desktop
*desktop
;
3081 data_size_t size
= min( 256, get_req_data_size() );
3083 if (current
->queue
) memcpy( current
->queue
->input
->keystate
, get_req_data(), size
);
3084 if (req
->async
&& (desktop
= get_thread_desktop( current
, 0 )))
3086 memcpy( desktop
->keystate
, get_req_data(), size
);
3087 release_object( desktop
);
3092 /* set the system foreground window */
3093 DECL_HANDLER(set_foreground_window
)
3095 struct thread
*thread
= NULL
;
3096 struct desktop
*desktop
;
3097 struct msg_queue
*queue
= get_current_queue();
3099 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3100 reply
->previous
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
3101 reply
->send_msg_old
= (reply
->previous
&& desktop
->foreground_input
!= queue
->input
);
3102 reply
->send_msg_new
= FALSE
;
3104 if (is_valid_foreground_window( req
->handle
) &&
3105 (thread
= get_window_thread( req
->handle
)) &&
3106 thread
->queue
->input
->desktop
== desktop
)
3108 set_foreground_input( desktop
, thread
->queue
->input
);
3109 reply
->send_msg_new
= (desktop
->foreground_input
!= queue
->input
);
3111 else set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
3113 if (thread
) release_object( thread
);
3114 release_object( desktop
);
3118 /* set the current thread focus window */
3119 DECL_HANDLER(set_focus_window
)
3121 struct msg_queue
*queue
= get_current_queue();
3123 reply
->previous
= 0;
3124 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3126 reply
->previous
= queue
->input
->focus
;
3127 queue
->input
->focus
= get_user_full_handle( req
->handle
);
3132 /* set the current thread active window */
3133 DECL_HANDLER(set_active_window
)
3135 struct msg_queue
*queue
= get_current_queue();
3137 reply
->previous
= 0;
3138 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3140 if (!req
->handle
|| make_window_active( req
->handle
))
3142 reply
->previous
= queue
->input
->active
;
3143 queue
->input
->active
= get_user_full_handle( req
->handle
);
3145 else set_error( STATUS_INVALID_HANDLE
);
3150 /* set the current thread capture window */
3151 DECL_HANDLER(set_capture_window
)
3153 struct msg_queue
*queue
= get_current_queue();
3155 reply
->previous
= reply
->full_handle
= 0;
3156 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3158 struct thread_input
*input
= queue
->input
;
3160 /* if in menu mode, reject all requests to change focus, except if the menu bit is set */
3161 if (input
->menu_owner
&& !(req
->flags
& CAPTURE_MENU
))
3163 set_error(STATUS_ACCESS_DENIED
);
3166 reply
->previous
= input
->capture
;
3167 input
->capture
= get_user_full_handle( req
->handle
);
3168 input
->menu_owner
= (req
->flags
& CAPTURE_MENU
) ? input
->capture
: 0;
3169 input
->move_size
= (req
->flags
& CAPTURE_MOVESIZE
) ? input
->capture
: 0;
3170 reply
->full_handle
= input
->capture
;
3175 /* Set the current thread caret window */
3176 DECL_HANDLER(set_caret_window
)
3178 struct msg_queue
*queue
= get_current_queue();
3180 reply
->previous
= 0;
3181 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3183 struct thread_input
*input
= queue
->input
;
3185 reply
->previous
= input
->caret
;
3186 reply
->old_rect
= input
->caret_rect
;
3187 reply
->old_hide
= input
->caret_hide
;
3188 reply
->old_state
= input
->caret_state
;
3190 set_caret_window( input
, get_user_full_handle(req
->handle
) );
3191 input
->caret_rect
.right
= input
->caret_rect
.left
+ req
->width
;
3192 input
->caret_rect
.bottom
= input
->caret_rect
.top
+ req
->height
;
3197 /* Set the current thread caret information */
3198 DECL_HANDLER(set_caret_info
)
3200 struct msg_queue
*queue
= get_current_queue();
3201 struct thread_input
*input
;
3204 input
= queue
->input
;
3205 reply
->full_handle
= input
->caret
;
3206 reply
->old_rect
= input
->caret_rect
;
3207 reply
->old_hide
= input
->caret_hide
;
3208 reply
->old_state
= input
->caret_state
;
3210 if (req
->handle
&& get_user_full_handle(req
->handle
) != input
->caret
)
3212 set_error( STATUS_ACCESS_DENIED
);
3215 if (req
->flags
& SET_CARET_POS
)
3217 input
->caret_rect
.right
+= req
->x
- input
->caret_rect
.left
;
3218 input
->caret_rect
.bottom
+= req
->y
- input
->caret_rect
.top
;
3219 input
->caret_rect
.left
= req
->x
;
3220 input
->caret_rect
.top
= req
->y
;
3222 if (req
->flags
& SET_CARET_HIDE
)
3224 input
->caret_hide
+= req
->hide
;
3225 if (input
->caret_hide
< 0) input
->caret_hide
= 0;
3227 if (req
->flags
& SET_CARET_STATE
)
3231 case CARET_STATE_OFF
: input
->caret_state
= 0; break;
3232 case CARET_STATE_ON
: input
->caret_state
= 1; break;
3233 case CARET_STATE_TOGGLE
: input
->caret_state
= !input
->caret_state
; break;
3234 case CARET_STATE_ON_IF_MOVED
:
3235 if (req
->x
!= reply
->old_rect
.left
|| req
->y
!= reply
->old_rect
.top
) input
->caret_state
= 1;
3242 /* get the time of the last input event */
3243 DECL_HANDLER(get_last_input_time
)
3245 reply
->time
= last_input_time
;
3248 /* set/get the current cursor */
3249 DECL_HANDLER(set_cursor
)
3251 struct msg_queue
*queue
= get_current_queue();
3252 struct thread_input
*input
;
3255 input
= queue
->input
;
3257 reply
->prev_handle
= input
->cursor
;
3258 reply
->prev_count
= input
->cursor_count
;
3259 reply
->prev_x
= input
->desktop
->cursor
.x
;
3260 reply
->prev_y
= input
->desktop
->cursor
.y
;
3262 if (req
->flags
& SET_CURSOR_HANDLE
)
3264 if (req
->handle
&& !get_user_object( req
->handle
, USER_CLIENT
))
3266 set_win32_error( ERROR_INVALID_CURSOR_HANDLE
);
3269 input
->cursor
= req
->handle
;
3271 if (req
->flags
& SET_CURSOR_COUNT
)
3273 queue
->cursor_count
+= req
->show_count
;
3274 input
->cursor_count
+= req
->show_count
;
3276 if (req
->flags
& SET_CURSOR_POS
)
3278 set_cursor_pos( input
->desktop
, req
->x
, req
->y
);
3280 if (req
->flags
& (SET_CURSOR_CLIP
| SET_CURSOR_NOCLIP
))
3282 struct desktop
*desktop
= input
->desktop
;
3284 /* only the desktop owner can set the message */
3285 if (req
->clip_msg
&& get_top_window_owner(desktop
) == current
->process
)
3286 desktop
->cursor
.clip_msg
= req
->clip_msg
;
3288 set_clip_rectangle( desktop
, (req
->flags
& SET_CURSOR_NOCLIP
) ? NULL
: &req
->clip
, 0 );
3291 reply
->new_x
= input
->desktop
->cursor
.x
;
3292 reply
->new_y
= input
->desktop
->cursor
.y
;
3293 reply
->new_clip
= input
->desktop
->cursor
.clip
;
3294 reply
->last_change
= input
->desktop
->cursor
.last_change
;
3297 /* Get the history of the 64 last cursor positions */
3298 DECL_HANDLER(get_cursor_history
)
3301 unsigned int i
, count
= min( 64, get_reply_max_size() / sizeof(*pos
) );
3303 if ((pos
= set_reply_data_size( count
* sizeof(*pos
) )))
3304 for (i
= 0; i
< count
; i
++)
3305 pos
[i
] = cursor_history
[(i
+ cursor_history_latest
) % ARRAY_SIZE(cursor_history
)];
3308 DECL_HANDLER(get_rawinput_buffer
)
3310 struct thread_input
*input
= current
->queue
->input
;
3311 data_size_t size
= 0, next_size
= 0;
3313 char *buf
, *cur
, *tmp
;
3314 int count
= 0, buf_size
= 16 * sizeof(struct hardware_msg_data
);
3316 if (!req
->buffer_size
) buf
= NULL
;
3317 else if (!(buf
= mem_alloc( buf_size
))) return;
3320 ptr
= list_head( &input
->msg_list
);
3323 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
3324 struct hardware_msg_data
*data
= msg
->data
;
3325 data_size_t extra_size
= data
->size
- sizeof(*data
);
3327 ptr
= list_next( &input
->msg_list
, ptr
);
3328 if (msg
->msg
!= WM_INPUT
) continue;
3330 next_size
= req
->rawinput_size
+ extra_size
;
3331 if (size
+ next_size
> req
->buffer_size
) break;
3332 if (cur
+ data
->size
> buf
+ get_reply_max_size()) break;
3333 if (cur
+ data
->size
> buf
+ buf_size
)
3335 buf_size
+= buf_size
/ 2 + extra_size
;
3336 if (!(tmp
= realloc( buf
, buf_size
)))
3338 set_error( STATUS_NO_MEMORY
);
3341 cur
= tmp
+ (cur
- buf
);
3345 memcpy( cur
, data
, data
->size
);
3346 list_remove( &msg
->entry
);
3347 free_message( msg
);
3350 cur
+= sizeof(*data
);
3354 reply
->next_size
= next_size
;
3355 reply
->count
= count
;
3356 set_reply_data_ptr( buf
, cur
- buf
);
3359 DECL_HANDLER(update_rawinput_devices
)
3361 const struct rawinput_device
*devices
= get_req_data();
3362 unsigned int device_count
= get_req_data_size() / sizeof (*devices
);
3363 const struct rawinput_device_entry
*e
;
3366 for (i
= 0; i
< device_count
; ++i
)
3368 update_rawinput_device(&devices
[i
]);
3371 e
= find_rawinput_device( current
->process
, 1, 2 );
3372 current
->process
->rawinput_mouse
= e
? &e
->device
: NULL
;
3373 e
= find_rawinput_device( current
->process
, 1, 6 );
3374 current
->process
->rawinput_kbd
= e
? &e
->device
: NULL
;
3377 DECL_HANDLER(get_rawinput_devices
)
3379 struct rawinput_device_entry
*e
;
3380 struct rawinput_device
*devices
;
3381 unsigned int i
= 0, device_count
= list_count( ¤t
->process
->rawinput_devices
);
3382 unsigned int size
= device_count
* sizeof(*devices
);
3384 reply
->device_count
= device_count
;
3386 /* no buffer provided, nothing else to do */
3387 if (!get_reply_max_size()) return;
3389 if (size
> get_reply_max_size())
3390 set_error( STATUS_BUFFER_TOO_SMALL
);
3391 else if ((devices
= set_reply_data_size( size
)))
3393 LIST_FOR_EACH_ENTRY( e
, ¤t
->process
->rawinput_devices
, struct rawinput_device_entry
, entry
)
3394 devices
[i
++] = e
->device
;