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 timeout_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 */
169 msg_queue_dump
, /* dump */
170 no_get_type
, /* get_type */
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 no_map_access
, /* map_access */
178 default_get_sd
, /* get_sd */
179 default_set_sd
, /* set_sd */
180 no_lookup_name
, /* lookup_name */
181 no_link_name
, /* link_name */
182 NULL
, /* unlink_name */
183 no_open_file
, /* open_file */
184 no_close_handle
, /* close_handle */
185 msg_queue_destroy
/* destroy */
188 static const struct fd_ops msg_queue_fd_ops
=
190 NULL
, /* get_poll_events */
191 msg_queue_poll_event
, /* poll_event */
193 NULL
, /* get_fd_type */
195 NULL
, /* queue_async */
196 NULL
, /* reselect_async */
197 NULL
/* cancel async */
201 static const struct object_ops thread_input_ops
=
203 sizeof(struct thread_input
), /* size */
204 thread_input_dump
, /* dump */
205 no_get_type
, /* get_type */
206 no_add_queue
, /* add_queue */
207 NULL
, /* remove_queue */
209 NULL
, /* satisfied */
210 no_signal
, /* signal */
211 no_get_fd
, /* get_fd */
212 no_map_access
, /* map_access */
213 default_get_sd
, /* get_sd */
214 default_set_sd
, /* set_sd */
215 no_lookup_name
, /* lookup_name */
216 no_link_name
, /* link_name */
217 NULL
, /* unlink_name */
218 no_open_file
, /* open_file */
219 no_close_handle
, /* close_handle */
220 thread_input_destroy
/* destroy */
223 /* pointer to input structure of foreground thread */
224 static unsigned int last_input_time
;
226 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
);
227 static void free_message( struct message
*msg
);
229 /* set the caret window in a given thread input */
230 static void set_caret_window( struct thread_input
*input
, user_handle_t win
)
232 if (!win
|| win
!= input
->caret
)
234 input
->caret_rect
.left
= 0;
235 input
->caret_rect
.top
= 0;
236 input
->caret_rect
.right
= 0;
237 input
->caret_rect
.bottom
= 0;
240 input
->caret_hide
= 1;
241 input
->caret_state
= 0;
244 /* create a thread input object */
245 static struct thread_input
*create_thread_input( struct thread
*thread
)
247 struct thread_input
*input
;
249 if ((input
= alloc_object( &thread_input_ops
)))
254 input
->menu_owner
= 0;
255 input
->move_size
= 0;
257 input
->cursor_count
= 0;
258 list_init( &input
->msg_list
);
259 set_caret_window( input
, 0 );
260 memset( input
->keystate
, 0, sizeof(input
->keystate
) );
262 if (!(input
->desktop
= get_thread_desktop( thread
, 0 /* FIXME: access rights */ )))
264 release_object( input
);
271 /* create a message queue object */
272 static struct msg_queue
*create_msg_queue( struct thread
*thread
, struct thread_input
*input
)
274 struct thread_input
*new_input
= NULL
;
275 struct msg_queue
*queue
;
280 if (!(new_input
= create_thread_input( thread
))) return NULL
;
284 if ((queue
= alloc_object( &msg_queue_ops
)))
287 queue
->wake_bits
= 0;
288 queue
->wake_mask
= 0;
289 queue
->changed_bits
= 0;
290 queue
->changed_mask
= 0;
291 queue
->paint_count
= 0;
292 queue
->hotkey_count
= 0;
293 queue
->quit_message
= 0;
294 queue
->cursor_count
= 0;
295 queue
->recv_result
= NULL
;
296 queue
->next_timer_id
= 0x7fff;
297 queue
->timeout
= NULL
;
298 queue
->input
= (struct thread_input
*)grab_object( input
);
300 queue
->last_get_msg
= current_time
;
301 list_init( &queue
->send_result
);
302 list_init( &queue
->callback_result
);
303 list_init( &queue
->pending_timers
);
304 list_init( &queue
->expired_timers
);
305 for (i
= 0; i
< NB_MSG_KINDS
; i
++) list_init( &queue
->msg_list
[i
] );
307 thread
->queue
= queue
;
309 if (new_input
) release_object( new_input
);
313 /* free the message queue of a thread at thread exit */
314 void free_msg_queue( struct thread
*thread
)
316 remove_thread_hooks( thread
);
317 if (!thread
->queue
) return;
318 release_object( thread
->queue
);
319 thread
->queue
= NULL
;
322 /* change the thread input data of a given thread */
323 static int assign_thread_input( struct thread
*thread
, struct thread_input
*new_input
)
325 struct msg_queue
*queue
= thread
->queue
;
329 thread
->queue
= create_msg_queue( thread
, new_input
);
330 return thread
->queue
!= NULL
;
334 queue
->input
->cursor_count
-= queue
->cursor_count
;
335 release_object( queue
->input
);
337 queue
->input
= (struct thread_input
*)grab_object( new_input
);
338 new_input
->cursor_count
+= queue
->cursor_count
;
342 /* allocate a hardware message and its data */
343 static struct message
*alloc_hardware_message( lparam_t info
, struct hw_msg_source source
,
346 struct hardware_msg_data
*msg_data
;
349 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return NULL
;
350 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
355 memset( msg
, 0, sizeof(*msg
) );
356 msg
->type
= MSG_HARDWARE
;
358 msg
->data
= msg_data
;
359 msg
->data_size
= sizeof(*msg_data
);
361 memset( msg_data
, 0, sizeof(*msg_data
) );
362 msg_data
->info
= info
;
363 msg_data
->source
= source
;
367 /* set the cursor position and queue the corresponding mouse message */
368 static void set_cursor_pos( struct desktop
*desktop
, int x
, int y
)
370 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
373 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count() ))) return;
375 msg
->msg
= WM_MOUSEMOVE
;
378 queue_hardware_message( desktop
, msg
, 1 );
381 /* retrieve default position and time for synthesized messages */
382 static void get_message_defaults( struct msg_queue
*queue
, int *x
, int *y
, unsigned int *time
)
384 struct desktop
*desktop
= queue
->input
->desktop
;
386 *x
= desktop
->cursor
.x
;
387 *y
= desktop
->cursor
.y
;
388 *time
= get_tick_count();
391 /* set the cursor clip rectangle */
392 static void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
, int send_clip_msg
)
394 rectangle_t top_rect
;
397 get_top_window_rectangle( desktop
, &top_rect
);
400 rectangle_t new_rect
= *rect
;
401 if (new_rect
.left
< top_rect
.left
) new_rect
.left
= top_rect
.left
;
402 if (new_rect
.right
> top_rect
.right
) new_rect
.right
= top_rect
.right
;
403 if (new_rect
.top
< top_rect
.top
) new_rect
.top
= top_rect
.top
;
404 if (new_rect
.bottom
> top_rect
.bottom
) new_rect
.bottom
= top_rect
.bottom
;
405 if (new_rect
.left
> new_rect
.right
|| new_rect
.top
> new_rect
.bottom
) new_rect
= top_rect
;
406 desktop
->cursor
.clip
= new_rect
;
408 else desktop
->cursor
.clip
= top_rect
;
410 if (desktop
->cursor
.clip_msg
&& send_clip_msg
)
411 post_desktop_message( desktop
, desktop
->cursor
.clip_msg
, rect
!= NULL
, 0 );
413 /* warp the mouse to be inside the clip rect */
414 x
= min( max( desktop
->cursor
.x
, desktop
->cursor
.clip
.left
), desktop
->cursor
.clip
.right
-1 );
415 y
= min( max( desktop
->cursor
.y
, desktop
->cursor
.clip
.top
), desktop
->cursor
.clip
.bottom
-1 );
416 if (x
!= desktop
->cursor
.x
|| y
!= desktop
->cursor
.y
) set_cursor_pos( desktop
, x
, y
);
419 /* change the foreground input and reset the cursor clip rect */
420 static void set_foreground_input( struct desktop
*desktop
, struct thread_input
*input
)
422 if (desktop
->foreground_input
== input
) return;
423 set_clip_rectangle( desktop
, NULL
, 1 );
424 desktop
->foreground_input
= input
;
427 /* get the hook table for a given thread */
428 struct hook_table
*get_queue_hooks( struct thread
*thread
)
430 if (!thread
->queue
) return NULL
;
431 return thread
->queue
->hooks
;
434 /* set the hook table for a given thread, allocating the queue if needed */
435 void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
)
437 struct msg_queue
*queue
= thread
->queue
;
438 if (!queue
&& !(queue
= create_msg_queue( thread
, NULL
))) return;
439 if (queue
->hooks
) release_object( queue
->hooks
);
440 queue
->hooks
= hooks
;
443 /* check the queue status */
444 static inline int is_signaled( struct msg_queue
*queue
)
446 return ((queue
->wake_bits
& queue
->wake_mask
) || (queue
->changed_bits
& queue
->changed_mask
));
449 /* set some queue bits */
450 static inline void set_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
452 queue
->wake_bits
|= bits
;
453 queue
->changed_bits
|= bits
;
454 if (is_signaled( queue
)) wake_up( &queue
->obj
, 0 );
457 /* clear some queue bits */
458 static inline void clear_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
460 queue
->wake_bits
&= ~bits
;
461 queue
->changed_bits
&= ~bits
;
464 /* check whether msg is a keyboard message */
465 static inline int is_keyboard_msg( struct message
*msg
)
467 return (msg
->msg
>= WM_KEYFIRST
&& msg
->msg
<= WM_KEYLAST
);
470 /* check if message is matched by the filter */
471 static inline int check_msg_filter( unsigned int msg
, unsigned int first
, unsigned int last
)
473 return (msg
>= first
&& msg
<= last
);
476 /* check whether a message filter contains at least one potential hardware message */
477 static inline int filter_contains_hw_range( unsigned int first
, unsigned int last
)
479 /* hardware message ranges are (in numerical order):
480 * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
481 * WM_INPUT_DEVICE_CHANGE .. WM_KEYLAST
482 * WM_MOUSEFIRST .. WM_MOUSELAST
484 if (last
< WM_NCMOUSEFIRST
) return 0;
485 if (first
> WM_NCMOUSELAST
&& last
< WM_INPUT_DEVICE_CHANGE
) return 0;
486 if (first
> WM_KEYLAST
&& last
< WM_MOUSEFIRST
) return 0;
487 if (first
> WM_MOUSELAST
) return 0;
491 /* get the QS_* bit corresponding to a given hardware message */
492 static inline int get_hardware_msg_bit( struct message
*msg
)
494 if (msg
->msg
== WM_INPUT_DEVICE_CHANGE
|| msg
->msg
== WM_INPUT
) return QS_RAWINPUT
;
495 if (msg
->msg
== WM_MOUSEMOVE
|| msg
->msg
== WM_NCMOUSEMOVE
) return QS_MOUSEMOVE
;
496 if (is_keyboard_msg( msg
)) return QS_KEY
;
497 return QS_MOUSEBUTTON
;
500 /* get the current thread queue, creating it if needed */
501 static inline struct msg_queue
*get_current_queue(void)
503 struct msg_queue
*queue
= current
->queue
;
504 if (!queue
) queue
= create_msg_queue( current
, NULL
);
508 /* get a (pseudo-)unique id to tag hardware messages */
509 static inline unsigned int get_unique_id(void)
511 static unsigned int id
;
512 if (!++id
) id
= 1; /* avoid an id of 0 */
516 /* try to merge a message with the last in the list; return 1 if successful */
517 static int merge_message( struct thread_input
*input
, const struct message
*msg
)
519 struct message
*prev
;
522 if (msg
->msg
!= WM_MOUSEMOVE
) return 0;
523 for (ptr
= list_tail( &input
->msg_list
); ptr
; ptr
= list_prev( &input
->msg_list
, ptr
))
525 prev
= LIST_ENTRY( ptr
, struct message
, entry
);
526 if (prev
->msg
!= WM_INPUT
) break;
529 if (prev
->result
) return 0;
530 if (prev
->win
&& msg
->win
&& prev
->win
!= msg
->win
) return 0;
531 if (prev
->msg
!= msg
->msg
) return 0;
532 if (prev
->type
!= msg
->type
) return 0;
533 /* now we can merge it */
534 prev
->wparam
= msg
->wparam
;
535 prev
->lparam
= msg
->lparam
;
538 prev
->time
= msg
->time
;
539 if (msg
->type
== MSG_HARDWARE
&& prev
->data
&& msg
->data
)
541 struct hardware_msg_data
*prev_data
= prev
->data
;
542 struct hardware_msg_data
*msg_data
= msg
->data
;
543 prev_data
->info
= msg_data
->info
;
546 list_add_tail( &input
->msg_list
, ptr
);
550 /* free a result structure */
551 static void free_result( struct message_result
*result
)
553 if (result
->timeout
) remove_timeout_user( result
->timeout
);
554 free( result
->data
);
555 if (result
->callback_msg
) free_message( result
->callback_msg
);
556 if (result
->hardware_msg
) free_message( result
->hardware_msg
);
557 if (result
->desktop
) release_object( result
->desktop
);
561 /* remove the result from the sender list it is on */
562 static inline void remove_result_from_sender( struct message_result
*result
)
564 assert( result
->sender
);
566 list_remove( &result
->sender_entry
);
567 result
->sender
= NULL
;
568 if (!result
->receiver
) free_result( result
);
571 /* store the message result in the appropriate structure */
572 static void store_message_result( struct message_result
*res
, lparam_t result
, unsigned int error
)
574 res
->result
= result
;
579 remove_timeout_user( res
->timeout
);
583 if (res
->hardware_msg
)
585 if (!error
&& result
) /* rejected by the hook */
586 free_message( res
->hardware_msg
);
588 queue_hardware_message( res
->desktop
, res
->hardware_msg
, 0 );
590 res
->hardware_msg
= NULL
;
595 if (res
->callback_msg
)
597 /* queue the callback message in the sender queue */
598 struct callback_msg_data
*data
= res
->callback_msg
->data
;
599 data
->result
= result
;
600 list_add_tail( &res
->sender
->msg_list
[SEND_MESSAGE
], &res
->callback_msg
->entry
);
601 set_queue_bits( res
->sender
, QS_SENDMESSAGE
);
602 res
->callback_msg
= NULL
;
603 remove_result_from_sender( res
);
607 /* wake sender queue if waiting on this result */
608 if (list_head(&res
->sender
->send_result
) == &res
->sender_entry
)
609 set_queue_bits( res
->sender
, QS_SMRESULT
);
612 else if (!res
->receiver
) free_result( res
);
615 /* free a message when deleting a queue or window */
616 static void free_message( struct message
*msg
)
618 struct message_result
*result
= msg
->result
;
622 result
->receiver
= NULL
;
623 store_message_result( result
, 0, STATUS_ACCESS_DENIED
/*FIXME*/ );
629 /* remove (and free) a message from a message list */
630 static void remove_queue_message( struct msg_queue
*queue
, struct message
*msg
,
631 enum message_kind kind
)
633 list_remove( &msg
->entry
);
637 if (list_empty( &queue
->msg_list
[kind
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
640 if (list_empty( &queue
->msg_list
[kind
] ) && !queue
->quit_message
)
641 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
642 if (msg
->msg
== WM_HOTKEY
&& --queue
->hotkey_count
== 0)
643 clear_queue_bits( queue
, QS_HOTKEY
);
649 /* message timed out without getting a reply */
650 static void result_timeout( void *private )
652 struct message_result
*result
= private;
654 assert( !result
->replied
);
656 result
->timeout
= NULL
;
658 if (result
->msg
) /* not received yet */
660 struct message
*msg
= result
->msg
;
664 remove_queue_message( result
->receiver
, msg
, SEND_MESSAGE
);
665 result
->receiver
= NULL
;
667 store_message_result( result
, 0, STATUS_TIMEOUT
);
670 /* allocate and fill a message result structure */
671 static struct message_result
*alloc_message_result( struct msg_queue
*send_queue
,
672 struct msg_queue
*recv_queue
,
673 struct message
*msg
, timeout_t timeout
)
675 struct message_result
*result
= mem_alloc( sizeof(*result
) );
679 result
->sender
= send_queue
;
680 result
->receiver
= recv_queue
;
683 result
->data_size
= 0;
684 result
->timeout
= NULL
;
685 result
->hardware_msg
= NULL
;
686 result
->desktop
= NULL
;
687 result
->callback_msg
= NULL
;
689 if (msg
->type
== MSG_CALLBACK
)
691 struct message
*callback_msg
= mem_alloc( sizeof(*callback_msg
) );
698 callback_msg
->type
= MSG_CALLBACK_RESULT
;
699 callback_msg
->win
= msg
->win
;
700 callback_msg
->msg
= msg
->msg
;
701 callback_msg
->wparam
= 0;
702 callback_msg
->lparam
= 0;
703 callback_msg
->time
= get_tick_count();
704 callback_msg
->result
= NULL
;
705 /* steal the data from the original message */
706 callback_msg
->data
= msg
->data
;
707 callback_msg
->data_size
= msg
->data_size
;
711 result
->callback_msg
= callback_msg
;
712 list_add_head( &send_queue
->callback_result
, &result
->sender_entry
);
716 list_add_head( &send_queue
->send_result
, &result
->sender_entry
);
717 clear_queue_bits( send_queue
, QS_SMRESULT
);
720 if (timeout
!= TIMEOUT_INFINITE
)
721 result
->timeout
= add_timeout_user( timeout
, result_timeout
, result
);
726 /* receive a message, removing it from the sent queue */
727 static void receive_message( struct msg_queue
*queue
, struct message
*msg
,
728 struct get_message_reply
*reply
)
730 struct message_result
*result
= msg
->result
;
732 reply
->total
= msg
->data_size
;
733 if (msg
->data_size
> get_reply_max_size())
735 set_error( STATUS_BUFFER_OVERFLOW
);
738 reply
->type
= msg
->type
;
739 reply
->win
= msg
->win
;
740 reply
->msg
= msg
->msg
;
741 reply
->wparam
= msg
->wparam
;
742 reply
->lparam
= msg
->lparam
;
745 reply
->time
= msg
->time
;
747 if (msg
->data
) set_reply_data_ptr( msg
->data
, msg
->data_size
);
749 list_remove( &msg
->entry
);
750 /* put the result on the receiver result stack */
754 result
->recv_next
= queue
->recv_result
;
755 queue
->recv_result
= result
;
758 if (list_empty( &queue
->msg_list
[SEND_MESSAGE
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
761 /* set the result of the current received message */
762 static void reply_message( struct msg_queue
*queue
, lparam_t result
,
763 unsigned int error
, int remove
, const void *data
, data_size_t len
)
765 struct message_result
*res
= queue
->recv_result
;
769 queue
->recv_result
= res
->recv_next
;
770 res
->receiver
= NULL
;
771 if (!res
->sender
&& !res
->hardware_msg
) /* no one waiting for it */
779 if (len
&& (res
->data
= memdup( data
, len
))) res
->data_size
= len
;
780 store_message_result( res
, result
, error
);
784 static int match_window( user_handle_t win
, user_handle_t msg_win
)
787 if (win
== -1 || win
== 1) return !msg_win
;
788 if (msg_win
== win
) return 1;
789 return is_child_window( win
, msg_win
);
792 /* retrieve a posted message */
793 static int get_posted_message( struct msg_queue
*queue
, user_handle_t win
,
794 unsigned int first
, unsigned int last
, unsigned int flags
,
795 struct get_message_reply
*reply
)
799 /* check against the filters */
800 LIST_FOR_EACH_ENTRY( msg
, &queue
->msg_list
[POST_MESSAGE
], struct message
, entry
)
802 if (!match_window( win
, msg
->win
)) continue;
803 if (!check_msg_filter( msg
->msg
, first
, last
)) continue;
804 goto found
; /* found one */
808 /* return it to the app */
810 reply
->total
= msg
->data_size
;
811 if (msg
->data_size
> get_reply_max_size())
813 set_error( STATUS_BUFFER_OVERFLOW
);
816 reply
->type
= msg
->type
;
817 reply
->win
= msg
->win
;
818 reply
->msg
= msg
->msg
;
819 reply
->wparam
= msg
->wparam
;
820 reply
->lparam
= msg
->lparam
;
823 reply
->time
= msg
->time
;
825 if (flags
& PM_REMOVE
)
829 set_reply_data_ptr( msg
->data
, msg
->data_size
);
833 remove_queue_message( queue
, msg
, POST_MESSAGE
);
835 else if (msg
->data
) set_reply_data( msg
->data
, msg
->data_size
);
840 static int get_quit_message( struct msg_queue
*queue
, unsigned int flags
,
841 struct get_message_reply
*reply
)
843 if (queue
->quit_message
)
846 reply
->type
= MSG_POSTED
;
848 reply
->msg
= WM_QUIT
;
849 reply
->wparam
= queue
->exit_code
;
852 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
854 if (flags
& PM_REMOVE
)
856 queue
->quit_message
= 0;
857 if (list_empty( &queue
->msg_list
[POST_MESSAGE
] ))
858 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
866 /* empty a message list and free all the messages */
867 static void empty_msg_list( struct list
*list
)
871 while ((ptr
= list_head( list
)) != NULL
)
873 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
874 list_remove( &msg
->entry
);
879 /* cleanup all pending results when deleting a queue */
880 static void cleanup_results( struct msg_queue
*queue
)
884 while ((entry
= list_head( &queue
->send_result
)) != NULL
)
886 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
889 while ((entry
= list_head( &queue
->callback_result
)) != NULL
)
891 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
894 while (queue
->recv_result
)
895 reply_message( queue
, 0, STATUS_ACCESS_DENIED
/*FIXME*/, 1, NULL
, 0 );
898 /* check if the thread owning the queue is hung (not checking for messages) */
899 static int is_queue_hung( struct msg_queue
*queue
)
901 struct wait_queue_entry
*entry
;
903 if (current_time
- queue
->last_get_msg
<= 5 * TICKS_PER_SEC
)
904 return 0; /* less than 5 seconds since last get message -> not hung */
906 LIST_FOR_EACH_ENTRY( entry
, &queue
->obj
.wait_queue
, struct wait_queue_entry
, entry
)
908 if (get_wait_queue_thread(entry
)->queue
== queue
)
909 return 0; /* thread is waiting on queue -> not hung */
914 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
)
916 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
917 struct process
*process
= get_wait_queue_thread(entry
)->process
;
919 /* a thread can only wait on its own queue */
920 if (get_wait_queue_thread(entry
)->queue
!= queue
)
922 set_error( STATUS_ACCESS_DENIED
);
925 if (process
->idle_event
&& !(queue
->wake_mask
& QS_SMRESULT
)) set_event( process
->idle_event
);
927 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* first on the queue */
928 set_fd_events( queue
->fd
, POLLIN
);
929 add_queue( obj
, entry
);
933 static void msg_queue_remove_queue(struct object
*obj
, struct wait_queue_entry
*entry
)
935 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
937 remove_queue( obj
, entry
);
938 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* last on the queue is gone */
939 set_fd_events( queue
->fd
, 0 );
942 static void msg_queue_dump( struct object
*obj
, int verbose
)
944 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
945 fprintf( stderr
, "Msg queue bits=%x mask=%x\n",
946 queue
->wake_bits
, queue
->wake_mask
);
949 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
951 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
956 if ((ret
= check_fd_events( queue
->fd
, POLLIN
)))
957 /* stop waiting on select() if we are signaled */
958 set_fd_events( queue
->fd
, 0 );
959 else if (!list_empty( &obj
->wait_queue
))
960 /* restart waiting on poll() if we are no longer signaled */
961 set_fd_events( queue
->fd
, POLLIN
);
963 return ret
|| is_signaled( queue
);
966 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
)
968 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
969 queue
->wake_mask
= 0;
970 queue
->changed_mask
= 0;
973 static void msg_queue_destroy( struct object
*obj
)
975 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
977 struct hotkey
*hotkey
, *hotkey2
;
980 cleanup_results( queue
);
981 for (i
= 0; i
< NB_MSG_KINDS
; i
++) empty_msg_list( &queue
->msg_list
[i
] );
983 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &queue
->input
->desktop
->hotkeys
, struct hotkey
, entry
)
985 if (hotkey
->queue
== queue
)
987 list_remove( &hotkey
->entry
);
992 while ((ptr
= list_head( &queue
->pending_timers
)))
994 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
995 list_remove( &timer
->entry
);
998 while ((ptr
= list_head( &queue
->expired_timers
)))
1000 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1001 list_remove( &timer
->entry
);
1004 if (queue
->timeout
) remove_timeout_user( queue
->timeout
);
1005 queue
->input
->cursor_count
-= queue
->cursor_count
;
1006 release_object( queue
->input
);
1007 if (queue
->hooks
) release_object( queue
->hooks
);
1008 if (queue
->fd
) release_object( queue
->fd
);
1011 static void msg_queue_poll_event( struct fd
*fd
, int event
)
1013 struct msg_queue
*queue
= get_fd_user( fd
);
1014 assert( queue
->obj
.ops
== &msg_queue_ops
);
1016 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
1017 else set_fd_events( queue
->fd
, 0 );
1018 wake_up( &queue
->obj
, 0 );
1021 static void thread_input_dump( struct object
*obj
, int verbose
)
1023 struct thread_input
*input
= (struct thread_input
*)obj
;
1024 fprintf( stderr
, "Thread input focus=%08x capture=%08x active=%08x\n",
1025 input
->focus
, input
->capture
, input
->active
);
1028 static void thread_input_destroy( struct object
*obj
)
1030 struct thread_input
*input
= (struct thread_input
*)obj
;
1032 empty_msg_list( &input
->msg_list
);
1035 if (input
->desktop
->foreground_input
== input
) set_foreground_input( input
->desktop
, NULL
);
1036 release_object( input
->desktop
);
1040 /* fix the thread input data when a window is destroyed */
1041 static inline void thread_input_cleanup_window( struct msg_queue
*queue
, user_handle_t window
)
1043 struct thread_input
*input
= queue
->input
;
1045 if (window
== input
->focus
) input
->focus
= 0;
1046 if (window
== input
->capture
) input
->capture
= 0;
1047 if (window
== input
->active
) input
->active
= 0;
1048 if (window
== input
->menu_owner
) input
->menu_owner
= 0;
1049 if (window
== input
->move_size
) input
->move_size
= 0;
1050 if (window
== input
->caret
) set_caret_window( input
, 0 );
1053 /* check if the specified window can be set in the input data of a given queue */
1054 static int check_queue_input_window( struct msg_queue
*queue
, user_handle_t window
)
1056 struct thread
*thread
;
1059 if (!window
) return 1; /* we can always clear the data */
1061 if ((thread
= get_window_thread( window
)))
1063 ret
= (queue
->input
== thread
->queue
->input
);
1064 if (!ret
) set_error( STATUS_ACCESS_DENIED
);
1065 release_object( thread
);
1067 else set_error( STATUS_INVALID_HANDLE
);
1072 /* make sure the specified thread has a queue */
1073 int init_thread_queue( struct thread
*thread
)
1075 if (thread
->queue
) return 1;
1076 return (create_msg_queue( thread
, NULL
) != NULL
);
1079 /* attach two thread input data structures */
1080 int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
)
1082 struct desktop
*desktop
;
1083 struct thread_input
*input
;
1086 if (!thread_to
->queue
&& !(thread_to
->queue
= create_msg_queue( thread_to
, NULL
))) return 0;
1087 if (!(desktop
= get_thread_desktop( thread_from
, 0 ))) return 0;
1088 input
= (struct thread_input
*)grab_object( thread_to
->queue
->input
);
1089 if (input
->desktop
!= desktop
)
1091 set_error( STATUS_ACCESS_DENIED
);
1092 release_object( input
);
1093 release_object( desktop
);
1096 release_object( desktop
);
1098 if (thread_from
->queue
)
1100 if (!input
->focus
) input
->focus
= thread_from
->queue
->input
->focus
;
1101 if (!input
->active
) input
->active
= thread_from
->queue
->input
->active
;
1104 ret
= assign_thread_input( thread_from
, input
);
1105 if (ret
) memset( input
->keystate
, 0, sizeof(input
->keystate
) );
1106 release_object( input
);
1110 /* detach two thread input data structures */
1111 void detach_thread_input( struct thread
*thread_from
)
1113 struct thread
*thread
;
1114 struct thread_input
*input
, *old_input
= thread_from
->queue
->input
;
1116 if ((input
= create_thread_input( thread_from
)))
1118 if (old_input
->focus
&& (thread
= get_window_thread( old_input
->focus
)))
1120 if (thread
== thread_from
)
1122 input
->focus
= old_input
->focus
;
1123 old_input
->focus
= 0;
1125 release_object( thread
);
1127 if (old_input
->active
&& (thread
= get_window_thread( old_input
->active
)))
1129 if (thread
== thread_from
)
1131 input
->active
= old_input
->active
;
1132 old_input
->active
= 0;
1134 release_object( thread
);
1136 assign_thread_input( thread_from
, input
);
1137 release_object( input
);
1142 /* set the next timer to expire */
1143 static void set_next_timer( struct msg_queue
*queue
)
1149 remove_timeout_user( queue
->timeout
);
1150 queue
->timeout
= NULL
;
1152 if ((ptr
= list_head( &queue
->pending_timers
)))
1154 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1155 queue
->timeout
= add_timeout_user( timer
->when
, timer_callback
, queue
);
1157 /* set/clear QS_TIMER bit */
1158 if (list_empty( &queue
->expired_timers
))
1159 clear_queue_bits( queue
, QS_TIMER
);
1161 set_queue_bits( queue
, QS_TIMER
);
1164 /* find a timer from its window and id */
1165 static struct timer
*find_timer( struct msg_queue
*queue
, user_handle_t win
,
1166 unsigned int msg
, lparam_t id
)
1170 /* we need to search both lists */
1172 LIST_FOR_EACH( ptr
, &queue
->pending_timers
)
1174 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1175 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1177 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1179 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1180 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1185 /* callback for the next timer expiration */
1186 static void timer_callback( void *private )
1188 struct msg_queue
*queue
= private;
1191 queue
->timeout
= NULL
;
1192 /* move on to the next timer */
1193 ptr
= list_head( &queue
->pending_timers
);
1195 list_add_tail( &queue
->expired_timers
, ptr
);
1196 set_next_timer( queue
);
1199 /* link a timer at its rightful place in the queue list */
1200 static void link_timer( struct msg_queue
*queue
, struct timer
*timer
)
1204 for (ptr
= queue
->pending_timers
.next
; ptr
!= &queue
->pending_timers
; ptr
= ptr
->next
)
1206 struct timer
*t
= LIST_ENTRY( ptr
, struct timer
, entry
);
1207 if (t
->when
>= timer
->when
) break;
1209 list_add_before( ptr
, &timer
->entry
);
1212 /* remove a timer from the queue timer list and free it */
1213 static void free_timer( struct msg_queue
*queue
, struct timer
*timer
)
1215 list_remove( &timer
->entry
);
1217 set_next_timer( queue
);
1220 /* restart an expired timer */
1221 static void restart_timer( struct msg_queue
*queue
, struct timer
*timer
)
1223 list_remove( &timer
->entry
);
1224 while (timer
->when
<= current_time
) timer
->when
+= (timeout_t
)timer
->rate
* 10000;
1225 link_timer( queue
, timer
);
1226 set_next_timer( queue
);
1229 /* find an expired timer matching the filtering parameters */
1230 static struct timer
*find_expired_timer( struct msg_queue
*queue
, user_handle_t win
,
1231 unsigned int get_first
, unsigned int get_last
,
1236 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1238 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1239 if (win
&& timer
->win
!= win
) continue;
1240 if (check_msg_filter( timer
->msg
, get_first
, get_last
))
1242 if (remove
) restart_timer( queue
, timer
);
1250 static struct timer
*set_timer( struct msg_queue
*queue
, unsigned int rate
)
1252 struct timer
*timer
= mem_alloc( sizeof(*timer
) );
1255 timer
->rate
= max( rate
, 1 );
1256 timer
->when
= current_time
+ (timeout_t
)timer
->rate
* 10000;
1257 link_timer( queue
, timer
);
1258 /* check if we replaced the next timer */
1259 if (list_head( &queue
->pending_timers
) == &timer
->entry
) set_next_timer( queue
);
1264 /* change the input key state for a given key */
1265 static void set_input_key_state( unsigned char *keystate
, unsigned char key
, int down
)
1269 if (!(keystate
[key
] & 0x80)) keystate
[key
] ^= 0x01;
1270 keystate
[key
] |= down
;
1272 else keystate
[key
] &= ~0x80;
1275 /* update the input key state for a keyboard message */
1276 static void update_input_key_state( struct desktop
*desktop
, unsigned char *keystate
,
1277 const struct message
*msg
)
1284 case WM_LBUTTONDOWN
:
1285 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1288 set_input_key_state( keystate
, VK_LBUTTON
, down
);
1290 case WM_MBUTTONDOWN
:
1291 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1294 set_input_key_state( keystate
, VK_MBUTTON
, down
);
1296 case WM_RBUTTONDOWN
:
1297 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1300 set_input_key_state( keystate
, VK_RBUTTON
, down
);
1302 case WM_XBUTTONDOWN
:
1303 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1306 if (msg
->wparam
>> 16 == XBUTTON1
) set_input_key_state( keystate
, VK_XBUTTON1
, down
);
1307 else if (msg
->wparam
>> 16 == XBUTTON2
) set_input_key_state( keystate
, VK_XBUTTON2
, down
);
1311 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1315 key
= (unsigned char)msg
->wparam
;
1316 set_input_key_state( keystate
, key
, down
);
1321 down
= (keystate
[VK_LCONTROL
] | keystate
[VK_RCONTROL
]) & 0x80;
1322 set_input_key_state( keystate
, VK_CONTROL
, down
);
1326 down
= (keystate
[VK_LMENU
] | keystate
[VK_RMENU
]) & 0x80;
1327 set_input_key_state( keystate
, VK_MENU
, down
);
1331 down
= (keystate
[VK_LSHIFT
] | keystate
[VK_RSHIFT
]) & 0x80;
1332 set_input_key_state( keystate
, VK_SHIFT
, down
);
1339 /* release the hardware message currently being processed by the given thread */
1340 static void release_hardware_message( struct msg_queue
*queue
, unsigned int hw_id
,
1343 struct thread_input
*input
= queue
->input
;
1344 struct message
*msg
;
1346 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
1348 if (msg
->unique_id
== hw_id
) break;
1350 if (&msg
->entry
== &input
->msg_list
) return; /* not found */
1352 /* clear the queue bit for that message */
1355 struct message
*other
;
1358 clr_bit
= get_hardware_msg_bit( msg
);
1359 LIST_FOR_EACH_ENTRY( other
, &input
->msg_list
, struct message
, entry
)
1361 if (other
!= msg
&& get_hardware_msg_bit( other
) == clr_bit
)
1367 if (clr_bit
) clear_queue_bits( queue
, clr_bit
);
1369 update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1370 list_remove( &msg
->entry
);
1371 free_message( msg
);
1375 static int queue_hotkey_message( struct desktop
*desktop
, struct message
*msg
)
1377 struct hotkey
*hotkey
;
1378 unsigned int modifiers
= 0;
1380 if (msg
->msg
!= WM_KEYDOWN
) return 0;
1382 if (desktop
->keystate
[VK_MENU
] & 0x80) modifiers
|= MOD_ALT
;
1383 if (desktop
->keystate
[VK_CONTROL
] & 0x80) modifiers
|= MOD_CONTROL
;
1384 if (desktop
->keystate
[VK_SHIFT
] & 0x80) modifiers
|= MOD_SHIFT
;
1385 if ((desktop
->keystate
[VK_LWIN
] & 0x80) || (desktop
->keystate
[VK_RWIN
] & 0x80)) modifiers
|= MOD_WIN
;
1387 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
1389 if (hotkey
->vkey
!= msg
->wparam
) continue;
1390 if ((hotkey
->flags
& (MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
)) == modifiers
) goto found
;
1396 msg
->type
= MSG_POSTED
;
1397 msg
->win
= hotkey
->win
;
1398 msg
->msg
= WM_HOTKEY
;
1399 msg
->wparam
= hotkey
->id
;
1400 msg
->lparam
= ((hotkey
->vkey
& 0xffff) << 16) | modifiers
;
1406 list_add_tail( &hotkey
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
1407 set_queue_bits( hotkey
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
|QS_HOTKEY
);
1408 hotkey
->queue
->hotkey_count
++;
1412 /* find the window that should receive a given hardware message */
1413 static user_handle_t
find_hardware_message_window( struct desktop
*desktop
, struct thread_input
*input
,
1414 struct message
*msg
, unsigned int *msg_code
,
1415 struct thread
**thread
)
1417 user_handle_t win
= 0;
1420 *msg_code
= msg
->msg
;
1421 if (msg
->msg
== WM_INPUT
)
1423 if (!(win
= msg
->win
) && input
) win
= input
->focus
;
1425 else if (is_keyboard_msg( msg
))
1427 if (input
&& !(win
= input
->focus
))
1429 win
= input
->active
;
1430 if (*msg_code
< WM_SYSKEYDOWN
) *msg_code
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
1433 else if (!input
|| !(win
= input
->capture
)) /* mouse message */
1435 if (is_window_visible( msg
->win
) && !is_window_transparent( msg
->win
)) win
= msg
->win
;
1436 else win
= shallow_window_from_point( desktop
, msg
->x
, msg
->y
);
1438 *thread
= window_thread_from_point( win
, msg
->x
, msg
->y
);
1442 *thread
= get_window_thread( win
);
1446 static struct rawinput_device_entry
*find_rawinput_device( unsigned short usage_page
, unsigned short usage
)
1448 struct rawinput_device_entry
*e
;
1450 LIST_FOR_EACH_ENTRY( e
, ¤t
->process
->rawinput_devices
, struct rawinput_device_entry
, entry
)
1452 if (e
->device
.usage_page
!= usage_page
|| e
->device
.usage
!= usage
) continue;
1459 static void update_rawinput_device(const struct rawinput_device
*device
)
1461 struct rawinput_device_entry
*e
;
1463 if (!(e
= find_rawinput_device( device
->usage_page
, device
->usage
)))
1465 if (!(e
= mem_alloc( sizeof(*e
) ))) return;
1466 list_add_tail( ¤t
->process
->rawinput_devices
, &e
->entry
);
1469 if (device
->flags
& RIDEV_REMOVE
)
1471 list_remove( &e
->entry
);
1476 e
->device
= *device
;
1477 e
->device
.target
= get_user_full_handle( e
->device
.target
);
1480 /* queue a hardware message into a given thread input */
1481 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
)
1484 struct thread
*thread
;
1485 struct thread_input
*input
;
1486 unsigned int msg_code
;
1488 update_input_key_state( desktop
, desktop
->keystate
, msg
);
1489 last_input_time
= get_tick_count();
1490 if (msg
->msg
!= WM_MOUSEMOVE
) always_queue
= 1;
1492 if (is_keyboard_msg( msg
))
1494 if (queue_hotkey_message( desktop
, msg
)) return;
1495 if (desktop
->keystate
[VK_MENU
] & 0x80) msg
->lparam
|= KF_ALTDOWN
<< 16;
1496 if (msg
->wparam
== VK_SHIFT
|| msg
->wparam
== VK_LSHIFT
|| msg
->wparam
== VK_RSHIFT
)
1497 msg
->lparam
&= ~(KF_EXTENDED
<< 16);
1499 else if (msg
->msg
!= WM_INPUT
)
1501 if (msg
->msg
== WM_MOUSEMOVE
)
1503 int x
= min( max( msg
->x
, desktop
->cursor
.clip
.left
), desktop
->cursor
.clip
.right
-1 );
1504 int y
= min( max( msg
->y
, desktop
->cursor
.clip
.top
), desktop
->cursor
.clip
.bottom
-1 );
1505 if (desktop
->cursor
.x
!= x
|| desktop
->cursor
.y
!= y
) always_queue
= 1;
1506 desktop
->cursor
.x
= x
;
1507 desktop
->cursor
.y
= y
;
1508 desktop
->cursor
.last_change
= get_tick_count();
1510 if (desktop
->keystate
[VK_LBUTTON
] & 0x80) msg
->wparam
|= MK_LBUTTON
;
1511 if (desktop
->keystate
[VK_MBUTTON
] & 0x80) msg
->wparam
|= MK_MBUTTON
;
1512 if (desktop
->keystate
[VK_RBUTTON
] & 0x80) msg
->wparam
|= MK_RBUTTON
;
1513 if (desktop
->keystate
[VK_SHIFT
] & 0x80) msg
->wparam
|= MK_SHIFT
;
1514 if (desktop
->keystate
[VK_CONTROL
] & 0x80) msg
->wparam
|= MK_CONTROL
;
1515 if (desktop
->keystate
[VK_XBUTTON1
] & 0x80) msg
->wparam
|= MK_XBUTTON1
;
1516 if (desktop
->keystate
[VK_XBUTTON2
] & 0x80) msg
->wparam
|= MK_XBUTTON2
;
1518 msg
->x
= desktop
->cursor
.x
;
1519 msg
->y
= desktop
->cursor
.y
;
1521 if (msg
->win
&& (thread
= get_window_thread( msg
->win
)))
1523 input
= thread
->queue
->input
;
1524 release_object( thread
);
1526 else input
= desktop
->foreground_input
;
1528 win
= find_hardware_message_window( desktop
, input
, msg
, &msg_code
, &thread
);
1529 if (!win
|| !thread
)
1531 if (input
) update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1532 free_message( msg
);
1535 input
= thread
->queue
->input
;
1537 if (win
!= desktop
->cursor
.win
) always_queue
= 1;
1538 desktop
->cursor
.win
= win
;
1540 if (!always_queue
|| merge_message( input
, msg
)) free_message( msg
);
1543 msg
->unique_id
= 0; /* will be set once we return it to the app */
1544 list_add_tail( &input
->msg_list
, &msg
->entry
);
1545 set_queue_bits( thread
->queue
, get_hardware_msg_bit(msg
) );
1547 release_object( thread
);
1550 /* send the low-level hook message for a given hardware message */
1551 static int send_hook_ll_message( struct desktop
*desktop
, struct message
*hardware_msg
,
1552 const hw_input_t
*input
, struct msg_queue
*sender
)
1554 struct thread
*hook_thread
;
1555 struct msg_queue
*queue
;
1556 struct message
*msg
;
1557 timeout_t timeout
= 2000 * -10000; /* FIXME: load from registry */
1558 int id
= (input
->type
== INPUT_MOUSE
) ? WH_MOUSE_LL
: WH_KEYBOARD_LL
;
1560 if (!(hook_thread
= get_first_global_hook( id
))) return 0;
1561 if (!(queue
= hook_thread
->queue
)) return 0;
1562 if (is_queue_hung( queue
)) return 0;
1564 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1566 msg
->type
= MSG_HOOK_LL
;
1569 msg
->wparam
= hardware_msg
->msg
;
1570 msg
->x
= hardware_msg
->x
;
1571 msg
->y
= hardware_msg
->y
;
1572 msg
->time
= hardware_msg
->time
;
1573 msg
->data_size
= hardware_msg
->data_size
;
1576 if (input
->type
== INPUT_KEYBOARD
)
1578 unsigned short vkey
= input
->kbd
.vkey
;
1579 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
) vkey
= VK_PACKET
;
1580 msg
->lparam
= (input
->kbd
.scan
<< 16) | vkey
;
1582 else msg
->lparam
= input
->mouse
.data
<< 16;
1584 if (!(msg
->data
= memdup( hardware_msg
->data
, hardware_msg
->data_size
)) ||
1585 !(msg
->result
= alloc_message_result( sender
, queue
, msg
, timeout
)))
1587 free_message( msg
);
1590 msg
->result
->hardware_msg
= hardware_msg
;
1591 msg
->result
->desktop
= (struct desktop
*)grab_object( desktop
);
1592 list_add_tail( &queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
1593 set_queue_bits( queue
, QS_SENDMESSAGE
);
1597 /* queue a hardware message for a mouse event */
1598 static int queue_mouse_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1599 unsigned int origin
, struct msg_queue
*sender
)
1601 const struct rawinput_device
*device
;
1602 struct hardware_msg_data
*msg_data
;
1603 struct message
*msg
;
1604 unsigned int i
, time
, flags
;
1605 struct hw_msg_source source
= { IMDT_MOUSE
, origin
};
1608 static const unsigned int messages
[] =
1610 WM_MOUSEMOVE
, /* 0x0001 = MOUSEEVENTF_MOVE */
1611 WM_LBUTTONDOWN
, /* 0x0002 = MOUSEEVENTF_LEFTDOWN */
1612 WM_LBUTTONUP
, /* 0x0004 = MOUSEEVENTF_LEFTUP */
1613 WM_RBUTTONDOWN
, /* 0x0008 = MOUSEEVENTF_RIGHTDOWN */
1614 WM_RBUTTONUP
, /* 0x0010 = MOUSEEVENTF_RIGHTUP */
1615 WM_MBUTTONDOWN
, /* 0x0020 = MOUSEEVENTF_MIDDLEDOWN */
1616 WM_MBUTTONUP
, /* 0x0040 = MOUSEEVENTF_MIDDLEUP */
1617 WM_XBUTTONDOWN
, /* 0x0080 = MOUSEEVENTF_XDOWN */
1618 WM_XBUTTONUP
, /* 0x0100 = MOUSEEVENTF_XUP */
1619 0, /* 0x0200 = unused */
1620 0, /* 0x0400 = unused */
1621 WM_MOUSEWHEEL
, /* 0x0800 = MOUSEEVENTF_WHEEL */
1622 WM_MOUSEHWHEEL
/* 0x1000 = MOUSEEVENTF_HWHEEL */
1625 desktop
->cursor
.last_change
= get_tick_count();
1626 flags
= input
->mouse
.flags
;
1627 time
= input
->mouse
.time
;
1628 if (!time
) time
= desktop
->cursor
.last_change
;
1630 if (flags
& MOUSEEVENTF_MOVE
)
1632 if (flags
& MOUSEEVENTF_ABSOLUTE
)
1636 if (flags
& ~(MOUSEEVENTF_MOVE
| MOUSEEVENTF_ABSOLUTE
) &&
1637 x
== desktop
->cursor
.x
&& y
== desktop
->cursor
.y
)
1638 flags
&= ~MOUSEEVENTF_MOVE
;
1642 x
= desktop
->cursor
.x
+ input
->mouse
.x
;
1643 y
= desktop
->cursor
.y
+ input
->mouse
.y
;
1648 x
= desktop
->cursor
.x
;
1649 y
= desktop
->cursor
.y
;
1652 if ((device
= current
->process
->rawinput_mouse
))
1654 if (!(msg
= alloc_hardware_message( input
->mouse
.info
, source
, time
))) return 0;
1655 msg_data
= msg
->data
;
1657 msg
->win
= device
->target
;
1658 msg
->msg
= WM_INPUT
;
1659 msg
->wparam
= RIM_INPUT
;
1662 msg_data
->flags
= flags
;
1663 msg_data
->rawinput
.type
= RIM_TYPEMOUSE
;
1664 msg_data
->rawinput
.mouse
.x
= x
- desktop
->cursor
.x
;
1665 msg_data
->rawinput
.mouse
.y
= y
- desktop
->cursor
.y
;
1666 msg_data
->rawinput
.mouse
.data
= input
->mouse
.data
;
1668 queue_hardware_message( desktop
, msg
, 0 );
1671 for (i
= 0; i
< ARRAY_SIZE( messages
); i
++)
1673 if (!messages
[i
]) continue;
1674 if (!(flags
& (1 << i
))) continue;
1677 if (!(msg
= alloc_hardware_message( input
->mouse
.info
, source
, time
))) return 0;
1678 msg_data
= msg
->data
;
1680 msg
->win
= get_user_full_handle( win
);
1681 msg
->msg
= messages
[i
];
1682 msg
->wparam
= input
->mouse
.data
<< 16;
1686 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLMHF_INJECTED
;
1688 /* specify a sender only when sending the last message */
1689 if (!(flags
& ((1 << ARRAY_SIZE( messages
)) - 1)))
1691 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1692 queue_hardware_message( desktop
, msg
, 0 );
1694 else if (!send_hook_ll_message( desktop
, msg
, input
, NULL
))
1695 queue_hardware_message( desktop
, msg
, 0 );
1700 /* queue a hardware message for a keyboard event */
1701 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1702 unsigned int origin
, struct msg_queue
*sender
)
1704 struct hw_msg_source source
= { IMDT_KEYBOARD
, origin
};
1705 const struct rawinput_device
*device
;
1706 struct hardware_msg_data
*msg_data
;
1707 struct message
*msg
;
1708 unsigned char vkey
= input
->kbd
.vkey
;
1709 unsigned int message_code
, time
;
1712 if (!(time
= input
->kbd
.time
)) time
= get_tick_count();
1714 if (!(input
->kbd
.flags
& KEYEVENTF_UNICODE
))
1721 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RMENU
: VK_LMENU
;
1726 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RCONTROL
: VK_LCONTROL
;
1731 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RSHIFT
: VK_LSHIFT
;
1736 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_KEYUP
: WM_KEYDOWN
;
1741 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
)
1743 /* send WM_SYSKEYUP if Alt still pressed and no other key in between */
1744 /* we use 0x02 as a flag to track if some other SYSKEYUP was sent already */
1745 if ((desktop
->keystate
[VK_MENU
] & 0x82) != 0x82) break;
1746 message_code
= WM_SYSKEYUP
;
1747 desktop
->keystate
[VK_MENU
] &= ~0x02;
1751 /* send WM_SYSKEYDOWN for Alt except with Ctrl */
1752 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1753 message_code
= WM_SYSKEYDOWN
;
1754 desktop
->keystate
[VK_MENU
] |= 0x02;
1760 /* send WM_SYSKEYUP on release if Alt still pressed */
1761 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
)) break;
1762 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1763 message_code
= WM_SYSKEYUP
;
1764 desktop
->keystate
[VK_MENU
] &= ~0x02;
1768 /* send WM_SYSKEY for Alt-anykey and for F10 */
1769 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1770 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1773 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_SYSKEYUP
: WM_SYSKEYDOWN
;
1774 desktop
->keystate
[VK_MENU
] &= ~0x02;
1778 if (!(msg
= alloc_hardware_message( input
->kbd
.info
, source
, time
))) return 0;
1779 msg_data
= msg
->data
;
1781 if ((device
= current
->process
->rawinput_kbd
))
1783 msg
->win
= device
->target
;
1784 msg
->msg
= WM_INPUT
;
1785 msg
->wparam
= RIM_INPUT
;
1787 msg_data
->flags
= input
->kbd
.flags
;
1788 msg_data
->rawinput
.type
= RIM_TYPEKEYBOARD
;
1789 msg_data
->rawinput
.kbd
.message
= message_code
;
1790 msg_data
->rawinput
.kbd
.vkey
= vkey
;
1791 msg_data
->rawinput
.kbd
.scan
= input
->kbd
.scan
;
1793 queue_hardware_message( desktop
, msg
, 0 );
1796 msg
->win
= get_user_full_handle( win
);
1797 msg
->msg
= message_code
;
1798 msg
->lparam
= (input
->kbd
.scan
<< 16) | 1u; /* repeat count */
1799 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLKHF_INJECTED
;
1801 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
)
1803 msg
->wparam
= VK_PACKET
;
1807 unsigned int flags
= 0;
1808 if (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) flags
|= KF_EXTENDED
;
1809 /* FIXME: set KF_DLGMODE and KF_MENUMODE when needed */
1810 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
) flags
|= KF_REPEAT
| KF_UP
;
1811 else if (desktop
->keystate
[vkey
] & 0x80) flags
|= KF_REPEAT
;
1814 msg
->lparam
|= flags
<< 16;
1815 msg_data
->flags
|= (flags
& (KF_EXTENDED
| KF_ALTDOWN
| KF_UP
)) >> 8;
1818 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1819 queue_hardware_message( desktop
, msg
, 1 );
1824 /* queue a hardware message for a custom type of event */
1825 static void queue_custom_hardware_message( struct desktop
*desktop
, user_handle_t win
,
1826 unsigned int origin
, const hw_input_t
*input
)
1828 struct hw_msg_source source
= { IMDT_UNAVAILABLE
, origin
};
1829 struct message
*msg
;
1831 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count() ))) return;
1833 msg
->win
= get_user_full_handle( win
);
1834 msg
->msg
= input
->hw
.msg
;
1836 msg
->lparam
= input
->hw
.lparam
;
1837 msg
->x
= desktop
->cursor
.x
;
1838 msg
->y
= desktop
->cursor
.y
;
1840 queue_hardware_message( desktop
, msg
, 1 );
1843 /* check message filter for a hardware message */
1844 static int check_hw_message_filter( user_handle_t win
, unsigned int msg_code
,
1845 user_handle_t filter_win
, unsigned int first
, unsigned int last
)
1847 if (msg_code
>= WM_KEYFIRST
&& msg_code
<= WM_KEYLAST
)
1849 /* we can only test the window for a keyboard message since the
1850 * dest window for a mouse message depends on hittest */
1851 if (filter_win
&& win
!= filter_win
&& !is_child_window( filter_win
, win
))
1853 /* the message code is final for a keyboard message, we can simply check it */
1854 return check_msg_filter( msg_code
, first
, last
);
1856 else /* mouse message */
1858 /* we need to check all possible values that the message can have in the end */
1860 if (check_msg_filter( msg_code
, first
, last
)) return 1;
1861 if (msg_code
== WM_MOUSEWHEEL
) return 0; /* no other possible value for this one */
1863 /* all other messages can become non-client messages */
1864 if (check_msg_filter( msg_code
+ (WM_NCMOUSEFIRST
- WM_MOUSEFIRST
), first
, last
)) return 1;
1866 /* clicks can become double-clicks or non-client double-clicks */
1867 if (msg_code
== WM_LBUTTONDOWN
|| msg_code
== WM_MBUTTONDOWN
||
1868 msg_code
== WM_RBUTTONDOWN
|| msg_code
== WM_XBUTTONDOWN
)
1870 if (check_msg_filter( msg_code
+ (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
1871 if (check_msg_filter( msg_code
+ (WM_NCLBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
1878 /* find a hardware message for the given queue */
1879 static int get_hardware_message( struct thread
*thread
, unsigned int hw_id
, user_handle_t filter_win
,
1880 unsigned int first
, unsigned int last
, unsigned int flags
,
1881 struct get_message_reply
*reply
)
1883 struct thread_input
*input
= thread
->queue
->input
;
1884 struct thread
*win_thread
;
1887 int clear_bits
, got_one
= 0;
1888 unsigned int msg_code
;
1890 ptr
= list_head( &input
->msg_list
);
1895 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
1896 if (msg
->unique_id
== hw_id
) break;
1897 ptr
= list_next( &input
->msg_list
, ptr
);
1899 if (!ptr
) ptr
= list_head( &input
->msg_list
);
1900 else ptr
= list_next( &input
->msg_list
, ptr
); /* start from the next one */
1903 if (ptr
== list_head( &input
->msg_list
))
1904 clear_bits
= QS_INPUT
;
1906 clear_bits
= 0; /* don't clear bits if we don't go through the whole list */
1910 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
1911 struct hardware_msg_data
*data
= msg
->data
;
1913 ptr
= list_next( &input
->msg_list
, ptr
);
1914 win
= find_hardware_message_window( input
->desktop
, input
, msg
, &msg_code
, &win_thread
);
1915 if (!win
|| !win_thread
)
1917 /* no window at all, remove it */
1918 update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1919 list_remove( &msg
->entry
);
1920 free_message( msg
);
1923 if (win_thread
!= thread
)
1925 if (win_thread
->queue
->input
== input
)
1927 /* wake the other thread */
1928 set_queue_bits( win_thread
->queue
, get_hardware_msg_bit(msg
) );
1933 /* for another thread input, drop it */
1934 update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1935 list_remove( &msg
->entry
);
1936 free_message( msg
);
1938 release_object( win_thread
);
1941 release_object( win_thread
);
1943 /* if we already got a message for another thread, or if it doesn't
1944 * match the filter we skip it */
1945 if (got_one
|| !check_hw_message_filter( win
, msg_code
, filter_win
, first
, last
))
1947 clear_bits
&= ~get_hardware_msg_bit( msg
);
1950 /* now we can return it */
1951 if (!msg
->unique_id
) msg
->unique_id
= get_unique_id();
1952 reply
->type
= MSG_HARDWARE
;
1954 reply
->msg
= msg_code
;
1955 reply
->wparam
= msg
->wparam
;
1956 reply
->lparam
= msg
->lparam
;
1959 reply
->time
= msg
->time
;
1961 data
->hw_id
= msg
->unique_id
;
1962 set_reply_data( msg
->data
, msg
->data_size
);
1963 if (msg
->msg
== WM_INPUT
&& (flags
& PM_REMOVE
))
1964 release_hardware_message( current
->queue
, data
->hw_id
, 1 );
1967 /* nothing found, clear the hardware queue bits */
1968 clear_queue_bits( thread
->queue
, clear_bits
);
1972 /* increment (or decrement if 'incr' is negative) the queue paint count */
1973 void inc_queue_paint_count( struct thread
*thread
, int incr
)
1975 struct msg_queue
*queue
= thread
->queue
;
1979 if ((queue
->paint_count
+= incr
) < 0) queue
->paint_count
= 0;
1981 if (queue
->paint_count
)
1982 set_queue_bits( queue
, QS_PAINT
);
1984 clear_queue_bits( queue
, QS_PAINT
);
1988 /* remove all messages and timers belonging to a certain window */
1989 void queue_cleanup_window( struct thread
*thread
, user_handle_t win
)
1991 struct msg_queue
*queue
= thread
->queue
;
1999 ptr
= list_head( &queue
->pending_timers
);
2002 struct list
*next
= list_next( &queue
->pending_timers
, ptr
);
2003 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2004 if (timer
->win
== win
) free_timer( queue
, timer
);
2007 ptr
= list_head( &queue
->expired_timers
);
2010 struct list
*next
= list_next( &queue
->expired_timers
, ptr
);
2011 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2012 if (timer
->win
== win
) free_timer( queue
, timer
);
2016 /* remove messages */
2017 for (i
= 0; i
< NB_MSG_KINDS
; i
++)
2019 struct list
*ptr
, *next
;
2021 LIST_FOR_EACH_SAFE( ptr
, next
, &queue
->msg_list
[i
] )
2023 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2024 if (msg
->win
== win
)
2026 if (msg
->msg
== WM_QUIT
&& !queue
->quit_message
)
2028 queue
->quit_message
= 1;
2029 queue
->exit_code
= msg
->wparam
;
2031 remove_queue_message( queue
, msg
, i
);
2036 thread_input_cleanup_window( queue
, win
);
2039 /* post a message to a window */
2040 void post_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2042 struct message
*msg
;
2043 struct thread
*thread
= get_window_thread( win
);
2045 if (!thread
) return;
2047 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2049 msg
->type
= MSG_POSTED
;
2050 msg
->win
= get_user_full_handle( win
);
2052 msg
->wparam
= wparam
;
2053 msg
->lparam
= lparam
;
2058 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2060 list_add_tail( &thread
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2061 set_queue_bits( thread
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2062 if (message
== WM_HOTKEY
)
2064 set_queue_bits( thread
->queue
, QS_HOTKEY
);
2065 thread
->queue
->hotkey_count
++;
2068 release_object( thread
);
2071 /* send a notify message to a window */
2072 void send_notify_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2074 struct message
*msg
;
2075 struct thread
*thread
= get_window_thread( win
);
2077 if (!thread
) return;
2079 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2081 msg
->type
= MSG_NOTIFY
;
2082 msg
->win
= get_user_full_handle( win
);
2084 msg
->wparam
= wparam
;
2085 msg
->lparam
= lparam
;
2090 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2092 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2093 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2095 release_object( thread
);
2098 /* post a win event */
2099 void post_win_event( struct thread
*thread
, unsigned int event
,
2100 user_handle_t win
, unsigned int object_id
,
2101 unsigned int child_id
, client_ptr_t hook_proc
,
2102 const WCHAR
*module
, data_size_t module_size
,
2105 struct message
*msg
;
2107 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2109 struct winevent_msg_data
*data
;
2111 msg
->type
= MSG_WINEVENT
;
2112 msg
->win
= get_user_full_handle( win
);
2114 msg
->wparam
= object_id
;
2115 msg
->lparam
= child_id
;
2116 msg
->time
= get_tick_count();
2119 if ((data
= malloc( sizeof(*data
) + module_size
)))
2122 data
->tid
= get_thread_id( current
);
2123 data
->hook_proc
= hook_proc
;
2124 memcpy( data
+ 1, module
, module_size
);
2127 msg
->data_size
= sizeof(*data
) + module_size
;
2129 if (debug_level
> 1)
2130 fprintf( stderr
, "post_win_event: tid %04x event %04x win %08x object_id %d child_id %d\n",
2131 get_thread_id(thread
), event
, win
, object_id
, child_id
);
2132 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2133 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2140 /* free all hotkeys on a desktop, optionally filtering by window */
2141 void free_hotkeys( struct desktop
*desktop
, user_handle_t window
)
2143 struct hotkey
*hotkey
, *hotkey2
;
2145 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &desktop
->hotkeys
, struct hotkey
, entry
)
2147 if (!window
|| hotkey
->win
== window
)
2149 list_remove( &hotkey
->entry
);
2156 /* check if the thread owning the window is hung */
2157 DECL_HANDLER(is_window_hung
)
2159 struct thread
*thread
;
2161 thread
= get_window_thread( req
->win
);
2164 reply
->is_hung
= is_queue_hung( thread
->queue
);
2165 release_object( thread
);
2167 else reply
->is_hung
= 0;
2171 /* get the message queue of the current thread */
2172 DECL_HANDLER(get_msg_queue
)
2174 struct msg_queue
*queue
= get_current_queue();
2177 if (queue
) reply
->handle
= alloc_handle( current
->process
, queue
, SYNCHRONIZE
, 0 );
2181 /* set the file descriptor associated to the current thread queue */
2182 DECL_HANDLER(set_queue_fd
)
2184 struct msg_queue
*queue
= get_current_queue();
2188 if (queue
->fd
) /* fd can only be set once */
2190 set_error( STATUS_ACCESS_DENIED
);
2193 if (!(file
= get_file_obj( current
->process
, req
->handle
, SYNCHRONIZE
))) return;
2195 if ((unix_fd
= get_file_unix_fd( file
)) != -1)
2197 if ((unix_fd
= dup( unix_fd
)) != -1)
2198 queue
->fd
= create_anonymous_fd( &msg_queue_fd_ops
, unix_fd
, &queue
->obj
, 0 );
2202 release_object( file
);
2206 /* set the current message queue wakeup mask */
2207 DECL_HANDLER(set_queue_mask
)
2209 struct msg_queue
*queue
= get_current_queue();
2213 queue
->wake_mask
= req
->wake_mask
;
2214 queue
->changed_mask
= req
->changed_mask
;
2215 reply
->wake_bits
= queue
->wake_bits
;
2216 reply
->changed_bits
= queue
->changed_bits
;
2217 if (is_signaled( queue
))
2219 /* if skip wait is set, do what would have been done in the subsequent wait */
2220 if (req
->skip_wait
) queue
->wake_mask
= queue
->changed_mask
= 0;
2221 else wake_up( &queue
->obj
, 0 );
2227 /* get the current message queue status */
2228 DECL_HANDLER(get_queue_status
)
2230 struct msg_queue
*queue
= current
->queue
;
2233 reply
->wake_bits
= queue
->wake_bits
;
2234 reply
->changed_bits
= queue
->changed_bits
;
2235 queue
->changed_bits
&= ~req
->clear_bits
;
2237 else reply
->wake_bits
= reply
->changed_bits
= 0;
2241 /* send a message to a thread queue */
2242 DECL_HANDLER(send_message
)
2244 struct message
*msg
;
2245 struct msg_queue
*send_queue
= get_current_queue();
2246 struct msg_queue
*recv_queue
= NULL
;
2247 struct thread
*thread
= NULL
;
2249 if (!(thread
= get_thread_from_id( req
->id
))) return;
2251 if (!(recv_queue
= thread
->queue
))
2253 set_error( STATUS_INVALID_PARAMETER
);
2254 release_object( thread
);
2257 if ((req
->flags
& SEND_MSG_ABORT_IF_HUNG
) && is_queue_hung(recv_queue
))
2259 set_error( STATUS_TIMEOUT
);
2260 release_object( thread
);
2264 if ((msg
= mem_alloc( sizeof(*msg
) )))
2266 msg
->type
= req
->type
;
2267 msg
->win
= get_user_full_handle( req
->win
);
2268 msg
->msg
= req
->msg
;
2269 msg
->wparam
= req
->wparam
;
2270 msg
->lparam
= req
->lparam
;
2273 msg
->data_size
= get_req_data_size();
2275 get_message_defaults( recv_queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2277 if (msg
->data_size
&& !(msg
->data
= memdup( get_req_data(), msg
->data_size
)))
2280 release_object( thread
);
2286 case MSG_OTHER_PROCESS
:
2290 if (!(msg
->result
= alloc_message_result( send_queue
, recv_queue
, msg
, req
->timeout
)))
2292 free_message( msg
);
2297 list_add_tail( &recv_queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2298 set_queue_bits( recv_queue
, QS_SENDMESSAGE
);
2301 list_add_tail( &recv_queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2302 set_queue_bits( recv_queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2303 if (msg
->msg
== WM_HOTKEY
)
2305 set_queue_bits( recv_queue
, QS_HOTKEY
);
2306 recv_queue
->hotkey_count
++;
2309 case MSG_HARDWARE
: /* should use send_hardware_message instead */
2310 case MSG_CALLBACK_RESULT
: /* cannot send this one */
2311 case MSG_HOOK_LL
: /* generated internally */
2313 set_error( STATUS_INVALID_PARAMETER
);
2318 release_object( thread
);
2321 /* send a hardware message to a thread queue */
2322 DECL_HANDLER(send_hardware_message
)
2324 struct thread
*thread
= NULL
;
2325 struct desktop
*desktop
;
2326 unsigned int origin
= (req
->flags
& SEND_HWMSG_INJECTED
? IMO_INJECTED
: IMO_HARDWARE
);
2327 struct msg_queue
*sender
= get_current_queue();
2328 data_size_t size
= min( 256, get_reply_max_size() );
2330 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2334 if (!(thread
= get_window_thread( req
->win
))) return;
2335 if (desktop
!= thread
->queue
->input
->desktop
)
2337 /* don't allow queuing events to a different desktop */
2338 release_object( desktop
);
2343 reply
->prev_x
= desktop
->cursor
.x
;
2344 reply
->prev_y
= desktop
->cursor
.y
;
2346 switch (req
->input
.type
)
2349 reply
->wait
= queue_mouse_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2351 case INPUT_KEYBOARD
:
2352 reply
->wait
= queue_keyboard_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2354 case INPUT_HARDWARE
:
2355 queue_custom_hardware_message( desktop
, req
->win
, origin
, &req
->input
);
2358 set_error( STATUS_INVALID_PARAMETER
);
2360 if (thread
) release_object( thread
);
2362 reply
->new_x
= desktop
->cursor
.x
;
2363 reply
->new_y
= desktop
->cursor
.y
;
2364 set_reply_data( desktop
->keystate
, size
);
2365 release_object( desktop
);
2368 /* post a quit message to the current queue */
2369 DECL_HANDLER(post_quit_message
)
2371 struct msg_queue
*queue
= get_current_queue();
2376 queue
->quit_message
= 1;
2377 queue
->exit_code
= req
->exit_code
;
2378 set_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2381 /* get a message from the current queue */
2382 DECL_HANDLER(get_message
)
2384 struct timer
*timer
;
2386 struct msg_queue
*queue
= get_current_queue();
2387 user_handle_t get_win
= get_user_full_handle( req
->get_win
);
2388 unsigned int filter
= req
->flags
>> 16;
2390 reply
->active_hooks
= get_active_hooks();
2393 queue
->last_get_msg
= current_time
;
2394 if (!filter
) filter
= QS_ALLINPUT
;
2396 /* first check for sent messages */
2397 if ((ptr
= list_head( &queue
->msg_list
[SEND_MESSAGE
] )))
2399 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2400 receive_message( queue
, msg
, reply
);
2404 /* clear changed bits so we can wait on them if we don't find a message */
2405 if (filter
& QS_POSTMESSAGE
)
2407 queue
->changed_bits
&= ~(QS_POSTMESSAGE
| QS_HOTKEY
| QS_TIMER
);
2408 if (req
->get_first
== 0 && req
->get_last
== ~0U) queue
->changed_bits
&= ~QS_ALLPOSTMESSAGE
;
2410 if (filter
& QS_INPUT
) queue
->changed_bits
&= ~QS_INPUT
;
2411 if (filter
& QS_PAINT
) queue
->changed_bits
&= ~QS_PAINT
;
2413 /* then check for posted messages */
2414 if ((filter
& QS_POSTMESSAGE
) &&
2415 get_posted_message( queue
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2418 if ((filter
& QS_HOTKEY
) && queue
->hotkey_count
&&
2419 req
->get_first
<= WM_HOTKEY
&& req
->get_last
>= WM_HOTKEY
&&
2420 get_posted_message( queue
, get_win
, WM_HOTKEY
, WM_HOTKEY
, req
->flags
, reply
))
2423 /* only check for quit messages if not posted messages pending */
2424 if ((filter
& QS_POSTMESSAGE
) && get_quit_message( queue
, req
->flags
, reply
))
2427 /* then check for any raw hardware message */
2428 if ((filter
& QS_INPUT
) &&
2429 filter_contains_hw_range( req
->get_first
, req
->get_last
) &&
2430 get_hardware_message( current
, req
->hw_id
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2433 /* now check for WM_PAINT */
2434 if ((filter
& QS_PAINT
) &&
2435 queue
->paint_count
&&
2436 check_msg_filter( WM_PAINT
, req
->get_first
, req
->get_last
) &&
2437 (reply
->win
= find_window_to_repaint( get_win
, current
)))
2439 reply
->type
= MSG_POSTED
;
2440 reply
->msg
= WM_PAINT
;
2443 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2447 /* now check for timer */
2448 if ((filter
& QS_TIMER
) &&
2449 (timer
= find_expired_timer( queue
, get_win
, req
->get_first
,
2450 req
->get_last
, (req
->flags
& PM_REMOVE
) )))
2452 reply
->type
= MSG_POSTED
;
2453 reply
->win
= timer
->win
;
2454 reply
->msg
= timer
->msg
;
2455 reply
->wparam
= timer
->id
;
2456 reply
->lparam
= timer
->lparam
;
2457 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2458 if (!(req
->flags
& PM_NOYIELD
) && current
->process
->idle_event
)
2459 set_event( current
->process
->idle_event
);
2463 if (get_win
== -1 && current
->process
->idle_event
) set_event( current
->process
->idle_event
);
2464 queue
->wake_mask
= req
->wake_mask
;
2465 queue
->changed_mask
= req
->changed_mask
;
2466 set_error( STATUS_PENDING
); /* FIXME */
2470 /* reply to a sent message */
2471 DECL_HANDLER(reply_message
)
2473 if (!current
->queue
) set_error( STATUS_ACCESS_DENIED
);
2474 else if (current
->queue
->recv_result
)
2475 reply_message( current
->queue
, req
->result
, 0, req
->remove
,
2476 get_req_data(), get_req_data_size() );
2480 /* accept the current hardware message */
2481 DECL_HANDLER(accept_hardware_message
)
2484 release_hardware_message( current
->queue
, req
->hw_id
, req
->remove
);
2486 set_error( STATUS_ACCESS_DENIED
);
2490 /* retrieve the reply for the last message sent */
2491 DECL_HANDLER(get_message_reply
)
2493 struct message_result
*result
;
2495 struct msg_queue
*queue
= current
->queue
;
2499 set_error( STATUS_PENDING
);
2502 if (!(entry
= list_head( &queue
->send_result
))) return; /* no reply ready */
2504 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2505 if (result
->replied
|| req
->cancel
)
2507 if (result
->replied
)
2509 reply
->result
= result
->result
;
2510 set_error( result
->error
);
2513 data_size_t data_len
= min( result
->data_size
, get_reply_max_size() );
2514 set_reply_data_ptr( result
->data
, data_len
);
2515 result
->data
= NULL
;
2516 result
->data_size
= 0;
2519 remove_result_from_sender( result
);
2521 entry
= list_head( &queue
->send_result
);
2522 if (!entry
) clear_queue_bits( queue
, QS_SMRESULT
);
2525 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2526 if (result
->replied
) set_queue_bits( queue
, QS_SMRESULT
);
2527 else clear_queue_bits( queue
, QS_SMRESULT
);
2531 else set_error( STATUS_ACCESS_DENIED
);
2535 /* set a window timer */
2536 DECL_HANDLER(set_win_timer
)
2538 struct timer
*timer
;
2539 struct msg_queue
*queue
;
2540 struct thread
*thread
= NULL
;
2541 user_handle_t win
= 0;
2542 lparam_t id
= req
->id
;
2546 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2548 set_error( STATUS_INVALID_HANDLE
);
2551 if (thread
->process
!= current
->process
)
2553 release_object( thread
);
2554 set_error( STATUS_ACCESS_DENIED
);
2557 queue
= thread
->queue
;
2558 /* remove it if it existed already */
2559 if ((timer
= find_timer( queue
, win
, req
->msg
, id
))) free_timer( queue
, timer
);
2563 queue
= get_current_queue();
2564 /* look for a timer with this id */
2565 if (id
&& (timer
= find_timer( queue
, 0, req
->msg
, id
)))
2567 /* free and reuse id */
2568 free_timer( queue
, timer
);
2572 lparam_t end_id
= queue
->next_timer_id
;
2574 /* find a free id for it */
2577 id
= queue
->next_timer_id
;
2578 if (--queue
->next_timer_id
<= 0x100) queue
->next_timer_id
= 0x7fff;
2580 if (!find_timer( queue
, 0, req
->msg
, id
)) break;
2581 if (queue
->next_timer_id
== end_id
)
2583 set_win32_error( ERROR_NO_MORE_USER_HANDLES
);
2590 if ((timer
= set_timer( queue
, req
->rate
)))
2593 timer
->msg
= req
->msg
;
2595 timer
->lparam
= req
->lparam
;
2598 if (thread
) release_object( thread
);
2601 /* kill a window timer */
2602 DECL_HANDLER(kill_win_timer
)
2604 struct timer
*timer
;
2605 struct thread
*thread
;
2606 user_handle_t win
= 0;
2610 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2612 set_error( STATUS_INVALID_HANDLE
);
2615 if (thread
->process
!= current
->process
)
2617 release_object( thread
);
2618 set_error( STATUS_ACCESS_DENIED
);
2622 else thread
= (struct thread
*)grab_object( current
);
2624 if (thread
->queue
&& (timer
= find_timer( thread
->queue
, win
, req
->msg
, req
->id
)))
2625 free_timer( thread
->queue
, timer
);
2627 set_error( STATUS_INVALID_PARAMETER
);
2629 release_object( thread
);
2632 DECL_HANDLER(register_hotkey
)
2634 struct desktop
*desktop
;
2635 user_handle_t win_handle
= req
->window
;
2636 struct hotkey
*hotkey
;
2637 struct hotkey
*new_hotkey
= NULL
;
2638 struct thread
*thread
;
2639 const int modifier_flags
= MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
;
2641 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2645 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2647 release_object( desktop
);
2651 thread
= get_window_thread( win_handle
);
2652 if (thread
) release_object( thread
);
2654 if (thread
!= current
)
2656 release_object( desktop
);
2657 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2662 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2664 if (req
->vkey
== hotkey
->vkey
&&
2665 (req
->flags
& modifier_flags
) == (hotkey
->flags
& modifier_flags
))
2667 release_object( desktop
);
2668 set_win32_error( ERROR_HOTKEY_ALREADY_REGISTERED
);
2671 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2672 new_hotkey
= hotkey
;
2677 reply
->replaced
= 1;
2678 reply
->flags
= new_hotkey
->flags
;
2679 reply
->vkey
= new_hotkey
->vkey
;
2683 new_hotkey
= mem_alloc( sizeof(*new_hotkey
) );
2686 list_add_tail( &desktop
->hotkeys
, &new_hotkey
->entry
);
2687 new_hotkey
->queue
= current
->queue
;
2688 new_hotkey
->win
= win_handle
;
2689 new_hotkey
->id
= req
->id
;
2695 new_hotkey
->flags
= req
->flags
;
2696 new_hotkey
->vkey
= req
->vkey
;
2699 release_object( desktop
);
2702 DECL_HANDLER(unregister_hotkey
)
2704 struct desktop
*desktop
;
2705 user_handle_t win_handle
= req
->window
;
2706 struct hotkey
*hotkey
;
2707 struct thread
*thread
;
2709 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2713 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2715 release_object( desktop
);
2719 thread
= get_window_thread( win_handle
);
2720 if (thread
) release_object( thread
);
2722 if (thread
!= current
)
2724 release_object( desktop
);
2725 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2730 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2732 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2736 release_object( desktop
);
2737 set_win32_error( ERROR_HOTKEY_NOT_REGISTERED
);
2741 reply
->flags
= hotkey
->flags
;
2742 reply
->vkey
= hotkey
->vkey
;
2743 list_remove( &hotkey
->entry
);
2745 release_object( desktop
);
2748 /* attach (or detach) thread inputs */
2749 DECL_HANDLER(attach_thread_input
)
2751 struct thread
*thread_from
= get_thread_from_id( req
->tid_from
);
2752 struct thread
*thread_to
= get_thread_from_id( req
->tid_to
);
2754 if (!thread_from
|| !thread_to
)
2756 if (thread_from
) release_object( thread_from
);
2757 if (thread_to
) release_object( thread_to
);
2760 if (thread_from
!= thread_to
)
2764 if ((thread_to
->queue
|| thread_to
== current
) &&
2765 (thread_from
->queue
|| thread_from
== current
))
2766 attach_thread_input( thread_from
, thread_to
);
2768 set_error( STATUS_INVALID_PARAMETER
);
2772 if (thread_from
->queue
&& thread_to
->queue
&&
2773 thread_from
->queue
->input
== thread_to
->queue
->input
)
2774 detach_thread_input( thread_from
);
2776 set_error( STATUS_ACCESS_DENIED
);
2779 else set_error( STATUS_ACCESS_DENIED
);
2780 release_object( thread_from
);
2781 release_object( thread_to
);
2785 /* get thread input data */
2786 DECL_HANDLER(get_thread_input
)
2788 struct thread
*thread
= NULL
;
2789 struct desktop
*desktop
;
2790 struct thread_input
*input
;
2794 if (!(thread
= get_thread_from_id( req
->tid
))) return;
2795 if (!(desktop
= get_thread_desktop( thread
, 0 )))
2797 release_object( thread
);
2800 input
= thread
->queue
? thread
->queue
->input
: NULL
;
2804 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2805 input
= desktop
->foreground_input
; /* get the foreground thread info */
2810 reply
->focus
= input
->focus
;
2811 reply
->capture
= input
->capture
;
2812 reply
->active
= input
->active
;
2813 reply
->menu_owner
= input
->menu_owner
;
2814 reply
->move_size
= input
->move_size
;
2815 reply
->caret
= input
->caret
;
2816 reply
->cursor
= input
->cursor
;
2817 reply
->show_count
= input
->cursor_count
;
2818 reply
->rect
= input
->caret_rect
;
2821 /* foreground window is active window of foreground thread */
2822 reply
->foreground
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
2823 if (thread
) release_object( thread
);
2824 release_object( desktop
);
2828 /* retrieve queue keyboard state for a given thread */
2829 DECL_HANDLER(get_key_state
)
2831 struct thread
*thread
;
2832 struct desktop
*desktop
;
2833 data_size_t size
= min( 256, get_reply_max_size() );
2835 if (!req
->tid
) /* get global async key state */
2837 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2840 reply
->state
= desktop
->keystate
[req
->key
& 0xff];
2841 desktop
->keystate
[req
->key
& 0xff] &= ~0x40;
2843 set_reply_data( desktop
->keystate
, size
);
2844 release_object( desktop
);
2848 unsigned char *keystate
;
2849 if (!(thread
= get_thread_from_id( req
->tid
))) return;
2852 if (req
->key
>= 0) reply
->state
= thread
->queue
->input
->keystate
[req
->key
& 0xff];
2853 set_reply_data( thread
->queue
->input
->keystate
, size
);
2854 release_object( thread
);
2857 release_object( thread
);
2859 /* fallback to desktop keystate */
2860 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2861 if (req
->key
>= 0) reply
->state
= desktop
->keystate
[req
->key
& 0xff] & ~0x40;
2862 if ((keystate
= set_reply_data_size( size
)))
2865 for (i
= 0; i
< size
; i
++) keystate
[i
] = desktop
->keystate
[i
] & ~0x40;
2867 release_object( desktop
);
2872 /* set queue keyboard state for a given thread */
2873 DECL_HANDLER(set_key_state
)
2875 struct thread
*thread
;
2876 struct desktop
*desktop
;
2877 data_size_t size
= min( 256, get_req_data_size() );
2879 if (!req
->tid
) /* set global async key state */
2881 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2882 memcpy( desktop
->keystate
, get_req_data(), size
);
2883 release_object( desktop
);
2887 if (!(thread
= get_thread_from_id( req
->tid
))) return;
2888 if (thread
->queue
) memcpy( thread
->queue
->input
->keystate
, get_req_data(), size
);
2889 if (req
->async
&& (desktop
= get_thread_desktop( thread
, 0 )))
2891 memcpy( desktop
->keystate
, get_req_data(), size
);
2892 release_object( desktop
);
2894 release_object( thread
);
2899 /* set the system foreground window */
2900 DECL_HANDLER(set_foreground_window
)
2902 struct thread
*thread
= NULL
;
2903 struct desktop
*desktop
;
2904 struct msg_queue
*queue
= get_current_queue();
2906 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2907 reply
->previous
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
2908 reply
->send_msg_old
= (reply
->previous
&& desktop
->foreground_input
!= queue
->input
);
2909 reply
->send_msg_new
= FALSE
;
2911 if (is_valid_foreground_window( req
->handle
) &&
2912 (thread
= get_window_thread( req
->handle
)) &&
2913 thread
->queue
->input
->desktop
== desktop
)
2915 set_foreground_input( desktop
, thread
->queue
->input
);
2916 reply
->send_msg_new
= (desktop
->foreground_input
!= queue
->input
);
2918 else set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2920 if (thread
) release_object( thread
);
2921 release_object( desktop
);
2925 /* set the current thread focus window */
2926 DECL_HANDLER(set_focus_window
)
2928 struct msg_queue
*queue
= get_current_queue();
2930 reply
->previous
= 0;
2931 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2933 reply
->previous
= queue
->input
->focus
;
2934 queue
->input
->focus
= get_user_full_handle( req
->handle
);
2939 /* set the current thread active window */
2940 DECL_HANDLER(set_active_window
)
2942 struct msg_queue
*queue
= get_current_queue();
2944 reply
->previous
= 0;
2945 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2947 if (!req
->handle
|| make_window_active( req
->handle
))
2949 reply
->previous
= queue
->input
->active
;
2950 queue
->input
->active
= get_user_full_handle( req
->handle
);
2952 else set_error( STATUS_INVALID_HANDLE
);
2957 /* set the current thread capture window */
2958 DECL_HANDLER(set_capture_window
)
2960 struct msg_queue
*queue
= get_current_queue();
2962 reply
->previous
= reply
->full_handle
= 0;
2963 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2965 struct thread_input
*input
= queue
->input
;
2967 /* if in menu mode, reject all requests to change focus, except if the menu bit is set */
2968 if (input
->menu_owner
&& !(req
->flags
& CAPTURE_MENU
))
2970 set_error(STATUS_ACCESS_DENIED
);
2973 reply
->previous
= input
->capture
;
2974 input
->capture
= get_user_full_handle( req
->handle
);
2975 input
->menu_owner
= (req
->flags
& CAPTURE_MENU
) ? input
->capture
: 0;
2976 input
->move_size
= (req
->flags
& CAPTURE_MOVESIZE
) ? input
->capture
: 0;
2977 reply
->full_handle
= input
->capture
;
2982 /* Set the current thread caret window */
2983 DECL_HANDLER(set_caret_window
)
2985 struct msg_queue
*queue
= get_current_queue();
2987 reply
->previous
= 0;
2988 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2990 struct thread_input
*input
= queue
->input
;
2992 reply
->previous
= input
->caret
;
2993 reply
->old_rect
= input
->caret_rect
;
2994 reply
->old_hide
= input
->caret_hide
;
2995 reply
->old_state
= input
->caret_state
;
2997 set_caret_window( input
, get_user_full_handle(req
->handle
) );
2998 input
->caret_rect
.right
= input
->caret_rect
.left
+ req
->width
;
2999 input
->caret_rect
.bottom
= input
->caret_rect
.top
+ req
->height
;
3004 /* Set the current thread caret information */
3005 DECL_HANDLER(set_caret_info
)
3007 struct msg_queue
*queue
= get_current_queue();
3008 struct thread_input
*input
;
3011 input
= queue
->input
;
3012 reply
->full_handle
= input
->caret
;
3013 reply
->old_rect
= input
->caret_rect
;
3014 reply
->old_hide
= input
->caret_hide
;
3015 reply
->old_state
= input
->caret_state
;
3017 if (req
->handle
&& get_user_full_handle(req
->handle
) != input
->caret
)
3019 set_error( STATUS_ACCESS_DENIED
);
3022 if (req
->flags
& SET_CARET_POS
)
3024 input
->caret_rect
.right
+= req
->x
- input
->caret_rect
.left
;
3025 input
->caret_rect
.bottom
+= req
->y
- input
->caret_rect
.top
;
3026 input
->caret_rect
.left
= req
->x
;
3027 input
->caret_rect
.top
= req
->y
;
3029 if (req
->flags
& SET_CARET_HIDE
)
3031 input
->caret_hide
+= req
->hide
;
3032 if (input
->caret_hide
< 0) input
->caret_hide
= 0;
3034 if (req
->flags
& SET_CARET_STATE
)
3038 case CARET_STATE_OFF
: input
->caret_state
= 0; break;
3039 case CARET_STATE_ON
: input
->caret_state
= 1; break;
3040 case CARET_STATE_TOGGLE
: input
->caret_state
= !input
->caret_state
; break;
3041 case CARET_STATE_ON_IF_MOVED
:
3042 if (req
->x
!= reply
->old_rect
.left
|| req
->y
!= reply
->old_rect
.top
) input
->caret_state
= 1;
3049 /* get the time of the last input event */
3050 DECL_HANDLER(get_last_input_time
)
3052 reply
->time
= last_input_time
;
3055 /* set/get the current cursor */
3056 DECL_HANDLER(set_cursor
)
3058 struct msg_queue
*queue
= get_current_queue();
3059 struct thread_input
*input
;
3062 input
= queue
->input
;
3064 reply
->prev_handle
= input
->cursor
;
3065 reply
->prev_count
= input
->cursor_count
;
3066 reply
->prev_x
= input
->desktop
->cursor
.x
;
3067 reply
->prev_y
= input
->desktop
->cursor
.y
;
3069 if (req
->flags
& SET_CURSOR_HANDLE
)
3071 if (req
->handle
&& !get_user_object( req
->handle
, USER_CLIENT
))
3073 set_win32_error( ERROR_INVALID_CURSOR_HANDLE
);
3076 input
->cursor
= req
->handle
;
3078 if (req
->flags
& SET_CURSOR_COUNT
)
3080 queue
->cursor_count
+= req
->show_count
;
3081 input
->cursor_count
+= req
->show_count
;
3083 if (req
->flags
& SET_CURSOR_POS
)
3085 set_cursor_pos( input
->desktop
, req
->x
, req
->y
);
3087 if (req
->flags
& (SET_CURSOR_CLIP
| SET_CURSOR_NOCLIP
))
3089 struct desktop
*desktop
= input
->desktop
;
3091 /* only the desktop owner can set the message */
3092 if (req
->clip_msg
&& get_top_window_owner(desktop
) == current
->process
)
3093 desktop
->cursor
.clip_msg
= req
->clip_msg
;
3095 set_clip_rectangle( desktop
, (req
->flags
& SET_CURSOR_NOCLIP
) ? NULL
: &req
->clip
, 0 );
3098 reply
->new_x
= input
->desktop
->cursor
.x
;
3099 reply
->new_y
= input
->desktop
->cursor
.y
;
3100 reply
->new_clip
= input
->desktop
->cursor
.clip
;
3101 reply
->last_change
= input
->desktop
->cursor
.last_change
;
3104 DECL_HANDLER(update_rawinput_devices
)
3106 const struct rawinput_device
*devices
= get_req_data();
3107 unsigned int device_count
= get_req_data_size() / sizeof (*devices
);
3108 const struct rawinput_device_entry
*e
;
3111 for (i
= 0; i
< device_count
; ++i
)
3113 update_rawinput_device(&devices
[i
]);
3116 e
= find_rawinput_device( 1, 2 );
3117 current
->process
->rawinput_mouse
= e
? &e
->device
: NULL
;
3118 e
= find_rawinput_device( 1, 6 );
3119 current
->process
->rawinput_kbd
= e
? &e
->device
: NULL
;