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"
30 #define WIN32_NO_STATUS
44 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
45 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
47 enum message_kind
{ SEND_MESSAGE
, POST_MESSAGE
};
48 #define NB_MSG_KINDS (POST_MESSAGE+1)
53 struct list sender_entry
; /* entry in sender list */
54 struct message
*msg
; /* message the result is for */
55 struct message_result
*recv_next
; /* next in receiver list */
56 struct msg_queue
*sender
; /* sender queue */
57 struct msg_queue
*receiver
; /* receiver queue */
58 int replied
; /* has it been replied to? */
59 unsigned int error
; /* error code to pass back to sender */
60 lparam_t result
; /* reply result */
61 struct message
*hardware_msg
; /* hardware message if low-level hook result */
62 struct desktop
*desktop
; /* desktop for hardware message */
63 struct message
*callback_msg
; /* message to queue for callback */
64 void *data
; /* message reply data */
65 unsigned int data_size
; /* size of message reply data */
66 struct timeout_user
*timeout
; /* result timeout */
71 struct list entry
; /* entry in message list */
72 enum message_type type
; /* message type */
73 user_handle_t win
; /* window handle */
74 unsigned int msg
; /* message code */
75 lparam_t wparam
; /* parameters */
76 lparam_t lparam
; /* parameters */
77 unsigned int time
; /* message time */
78 void *data
; /* message data for sent messages */
79 unsigned int data_size
; /* size of message data */
80 unsigned int unique_id
; /* unique id for nested hw message waits */
81 struct message_result
*result
; /* result in sender queue */
86 struct list entry
; /* entry in timer list */
87 timeout_t when
; /* next expiration */
88 unsigned int rate
; /* timer rate in ms */
89 user_handle_t win
; /* window handle */
90 unsigned int msg
; /* message to post */
91 lparam_t id
; /* timer id */
92 lparam_t lparam
; /* lparam for message */
97 struct object obj
; /* object header */
98 struct desktop
*desktop
; /* desktop that this thread input belongs to */
99 user_handle_t focus
; /* focus window */
100 user_handle_t capture
; /* capture window */
101 user_handle_t active
; /* active window */
102 user_handle_t menu_owner
; /* current menu owner window */
103 user_handle_t move_size
; /* current moving/resizing window */
104 user_handle_t caret
; /* caret window */
105 rectangle_t caret_rect
; /* caret rectangle */
106 int caret_hide
; /* caret hide count */
107 int caret_state
; /* caret on/off state */
108 user_handle_t cursor
; /* current cursor */
109 int cursor_count
; /* cursor show count */
110 struct list msg_list
; /* list of hardware messages */
111 unsigned char keystate
[256]; /* state of each key */
116 struct object obj
; /* object header */
117 struct fd
*fd
; /* optional file descriptor to poll */
118 unsigned int wake_bits
; /* wakeup bits */
119 unsigned int wake_mask
; /* wakeup mask */
120 unsigned int wake_get_msg
; /* wakeup mask of last get_message */
121 unsigned int changed_bits
; /* changed wakeup bits */
122 unsigned int changed_mask
; /* changed wakeup mask */
123 unsigned int changed_get_msg
; /* changed wakeup mask of last get_message */
124 int paint_count
; /* pending paint messages count */
125 int hotkey_count
; /* pending hotkey messages count */
126 int quit_message
; /* is there a pending quit message? */
127 int exit_code
; /* exit code of pending quit message */
128 int cursor_count
; /* per-queue cursor show count */
129 struct list msg_list
[NB_MSG_KINDS
]; /* lists of messages */
130 struct list send_result
; /* stack of sent messages waiting for result */
131 struct list callback_result
; /* list of callback messages waiting for result */
132 struct message_result
*recv_result
; /* stack of received messages waiting for result */
133 struct list pending_timers
; /* list of pending timers */
134 struct list expired_timers
; /* list of expired timers */
135 lparam_t next_timer_id
; /* id for the next timer with a 0 window */
136 struct timeout_user
*timeout
; /* timeout for next timer to expire */
137 struct thread_input
*input
; /* thread input descriptor */
138 struct hook_table
*hooks
; /* hook table */
139 timeout_t last_get_msg
; /* time of last get message call */
144 struct list entry
; /* entry in desktop hotkey list */
145 struct msg_queue
*queue
; /* queue owning this hotkey */
146 user_handle_t win
; /* window handle */
147 int id
; /* hotkey id */
148 unsigned int vkey
; /* virtual key code */
149 unsigned int flags
; /* key modifiers */
152 static void msg_queue_dump( struct object
*obj
, int verbose
);
153 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
154 static void msg_queue_remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
155 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
156 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
);
157 static void msg_queue_destroy( struct object
*obj
);
158 static void msg_queue_poll_event( struct fd
*fd
, int event
);
159 static void thread_input_dump( struct object
*obj
, int verbose
);
160 static void thread_input_destroy( struct object
*obj
);
161 static void timer_callback( void *private );
163 static const struct object_ops msg_queue_ops
=
165 sizeof(struct msg_queue
), /* size */
166 msg_queue_dump
, /* dump */
167 no_get_type
, /* get_type */
168 msg_queue_add_queue
, /* add_queue */
169 msg_queue_remove_queue
, /* remove_queue */
170 msg_queue_signaled
, /* signaled */
171 msg_queue_satisfied
, /* satisfied */
172 no_signal
, /* signal */
173 no_get_fd
, /* get_fd */
174 no_map_access
, /* map_access */
175 default_get_sd
, /* get_sd */
176 default_set_sd
, /* set_sd */
177 no_lookup_name
, /* lookup_name */
178 no_open_file
, /* open_file */
179 no_close_handle
, /* close_handle */
180 msg_queue_destroy
/* destroy */
183 static const struct fd_ops msg_queue_fd_ops
=
185 NULL
, /* get_poll_events */
186 msg_queue_poll_event
, /* poll_event */
188 NULL
, /* get_fd_type */
190 NULL
, /* queue_async */
191 NULL
, /* reselect_async */
192 NULL
/* cancel async */
196 static const struct object_ops thread_input_ops
=
198 sizeof(struct thread_input
), /* size */
199 thread_input_dump
, /* dump */
200 no_get_type
, /* get_type */
201 no_add_queue
, /* add_queue */
202 NULL
, /* remove_queue */
204 NULL
, /* satisfied */
205 no_signal
, /* signal */
206 no_get_fd
, /* get_fd */
207 no_map_access
, /* map_access */
208 default_get_sd
, /* get_sd */
209 default_set_sd
, /* set_sd */
210 no_lookup_name
, /* lookup_name */
211 no_open_file
, /* open_file */
212 no_close_handle
, /* close_handle */
213 thread_input_destroy
/* destroy */
216 /* pointer to input structure of foreground thread */
217 static unsigned int last_input_time
;
219 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
);
220 static void free_message( struct message
*msg
);
222 /* set the caret window in a given thread input */
223 static void set_caret_window( struct thread_input
*input
, user_handle_t win
)
225 if (!win
|| win
!= input
->caret
)
227 input
->caret_rect
.left
= 0;
228 input
->caret_rect
.top
= 0;
229 input
->caret_rect
.right
= 0;
230 input
->caret_rect
.bottom
= 0;
233 input
->caret_hide
= 1;
234 input
->caret_state
= 0;
237 /* create a thread input object */
238 static struct thread_input
*create_thread_input( struct thread
*thread
)
240 struct thread_input
*input
;
242 if ((input
= alloc_object( &thread_input_ops
)))
247 input
->menu_owner
= 0;
248 input
->move_size
= 0;
250 input
->cursor_count
= 0;
251 list_init( &input
->msg_list
);
252 set_caret_window( input
, 0 );
253 memset( input
->keystate
, 0, sizeof(input
->keystate
) );
255 if (!(input
->desktop
= get_thread_desktop( thread
, 0 /* FIXME: access rights */ )))
257 release_object( input
);
264 /* create a message queue object */
265 static struct msg_queue
*create_msg_queue( struct thread
*thread
, struct thread_input
*input
)
267 struct thread_input
*new_input
= NULL
;
268 struct msg_queue
*queue
;
273 if (!(new_input
= create_thread_input( thread
))) return NULL
;
277 if ((queue
= alloc_object( &msg_queue_ops
)))
280 queue
->wake_bits
= 0;
281 queue
->wake_mask
= 0;
282 queue
->wake_get_msg
= 0;
283 queue
->changed_bits
= 0;
284 queue
->changed_mask
= 0;
285 queue
->changed_get_msg
= 0;
286 queue
->paint_count
= 0;
287 queue
->hotkey_count
= 0;
288 queue
->quit_message
= 0;
289 queue
->cursor_count
= 0;
290 queue
->recv_result
= NULL
;
291 queue
->next_timer_id
= 0x7fff;
292 queue
->timeout
= NULL
;
293 queue
->input
= (struct thread_input
*)grab_object( input
);
295 queue
->last_get_msg
= current_time
;
296 list_init( &queue
->send_result
);
297 list_init( &queue
->callback_result
);
298 list_init( &queue
->pending_timers
);
299 list_init( &queue
->expired_timers
);
300 for (i
= 0; i
< NB_MSG_KINDS
; i
++) list_init( &queue
->msg_list
[i
] );
302 thread
->queue
= queue
;
304 if (new_input
) release_object( new_input
);
308 /* free the message queue of a thread at thread exit */
309 void free_msg_queue( struct thread
*thread
)
311 remove_thread_hooks( thread
);
312 if (!thread
->queue
) return;
313 release_object( thread
->queue
);
314 thread
->queue
= NULL
;
317 /* change the thread input data of a given thread */
318 static int assign_thread_input( struct thread
*thread
, struct thread_input
*new_input
)
320 struct msg_queue
*queue
= thread
->queue
;
324 thread
->queue
= create_msg_queue( thread
, new_input
);
325 return thread
->queue
!= NULL
;
329 queue
->input
->cursor_count
-= queue
->cursor_count
;
330 release_object( queue
->input
);
332 queue
->input
= (struct thread_input
*)grab_object( new_input
);
333 new_input
->cursor_count
+= queue
->cursor_count
;
337 /* set the cursor position and queue the corresponding mouse message */
338 static void set_cursor_pos( struct desktop
*desktop
, int x
, int y
)
340 struct hardware_msg_data
*msg_data
;
343 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return;
344 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
349 memset( msg_data
, 0, sizeof(*msg_data
) );
351 msg
->type
= MSG_HARDWARE
;
353 msg
->msg
= WM_MOUSEMOVE
;
356 msg
->time
= get_tick_count();
358 msg
->data
= msg_data
;
359 msg
->data_size
= sizeof(*msg_data
);
362 queue_hardware_message( desktop
, msg
, 1 );
365 /* set the cursor clip rectangle */
366 static void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
)
368 rectangle_t top_rect
;
371 get_top_window_rectangle( desktop
, &top_rect
);
374 rectangle_t new_rect
= *rect
;
375 if (new_rect
.left
< top_rect
.left
) new_rect
.left
= top_rect
.left
;
376 if (new_rect
.right
> top_rect
.right
) new_rect
.right
= top_rect
.right
;
377 if (new_rect
.top
< top_rect
.top
) new_rect
.top
= top_rect
.top
;
378 if (new_rect
.bottom
> top_rect
.bottom
) new_rect
.bottom
= top_rect
.bottom
;
379 if (new_rect
.left
> new_rect
.right
|| new_rect
.top
> new_rect
.bottom
) new_rect
= top_rect
;
380 desktop
->cursor
.clip
= new_rect
;
382 else desktop
->cursor
.clip
= top_rect
;
384 if (desktop
->cursor
.clip_msg
)
385 post_desktop_message( desktop
, desktop
->cursor
.clip_msg
, rect
!= NULL
, 0 );
387 /* warp the mouse to be inside the clip rect */
388 x
= min( max( desktop
->cursor
.x
, desktop
->cursor
.clip
.left
), desktop
->cursor
.clip
.right
-1 );
389 y
= min( max( desktop
->cursor
.y
, desktop
->cursor
.clip
.top
), desktop
->cursor
.clip
.bottom
-1 );
390 if (x
!= desktop
->cursor
.x
|| y
!= desktop
->cursor
.y
) set_cursor_pos( desktop
, x
, y
);
393 /* change the foreground input and reset the cursor clip rect */
394 static void set_foreground_input( struct desktop
*desktop
, struct thread_input
*input
)
396 if (desktop
->foreground_input
== input
) return;
397 set_clip_rectangle( desktop
, NULL
);
398 desktop
->foreground_input
= input
;
401 /* get the hook table for a given thread */
402 struct hook_table
*get_queue_hooks( struct thread
*thread
)
404 if (!thread
->queue
) return NULL
;
405 return thread
->queue
->hooks
;
408 /* set the hook table for a given thread, allocating the queue if needed */
409 void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
)
411 struct msg_queue
*queue
= thread
->queue
;
412 if (!queue
&& !(queue
= create_msg_queue( thread
, NULL
))) return;
413 if (queue
->hooks
) release_object( queue
->hooks
);
414 queue
->hooks
= hooks
;
417 /* check the queue status */
418 static inline int is_signaled( struct msg_queue
*queue
)
420 return ((queue
->wake_bits
& queue
->wake_mask
) || (queue
->changed_bits
& queue
->changed_mask
));
423 /* set some queue bits */
424 static inline void set_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
426 queue
->wake_bits
|= bits
;
427 queue
->changed_bits
|= bits
;
428 if (is_signaled( queue
)) wake_up( &queue
->obj
, 0 );
431 /* clear some queue bits */
432 static inline void clear_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
434 queue
->wake_bits
&= ~bits
;
435 queue
->changed_bits
&= ~bits
;
438 /* check whether msg is a keyboard message */
439 static inline int is_keyboard_msg( struct message
*msg
)
441 return (msg
->msg
>= WM_KEYFIRST
&& msg
->msg
<= WM_KEYLAST
);
444 /* check if message is matched by the filter */
445 static inline int check_msg_filter( unsigned int msg
, unsigned int first
, unsigned int last
)
447 return (msg
>= first
&& msg
<= last
);
450 /* check whether a message filter contains at least one potential hardware message */
451 static inline int filter_contains_hw_range( unsigned int first
, unsigned int last
)
453 /* hardware message ranges are (in numerical order):
454 * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
455 * WM_INPUT_DEVICE_CHANGE .. WM_KEYLAST
456 * WM_MOUSEFIRST .. WM_MOUSELAST
458 if (last
< WM_NCMOUSEFIRST
) return 0;
459 if (first
> WM_NCMOUSELAST
&& last
< WM_INPUT_DEVICE_CHANGE
) return 0;
460 if (first
> WM_KEYLAST
&& last
< WM_MOUSEFIRST
) return 0;
461 if (first
> WM_MOUSELAST
) return 0;
465 /* get the QS_* bit corresponding to a given hardware message */
466 static inline int get_hardware_msg_bit( struct message
*msg
)
468 if (msg
->msg
== WM_INPUT_DEVICE_CHANGE
|| msg
->msg
== WM_INPUT
) return QS_RAWINPUT
;
469 if (msg
->msg
== WM_MOUSEMOVE
|| msg
->msg
== WM_NCMOUSEMOVE
) return QS_MOUSEMOVE
;
470 if (is_keyboard_msg( msg
)) return QS_KEY
;
471 return QS_MOUSEBUTTON
;
474 /* get the current thread queue, creating it if needed */
475 static inline struct msg_queue
*get_current_queue(void)
477 struct msg_queue
*queue
= current
->queue
;
478 if (!queue
) queue
= create_msg_queue( current
, NULL
);
482 /* get a (pseudo-)unique id to tag hardware messages */
483 static inline unsigned int get_unique_id(void)
485 static unsigned int id
;
486 if (!++id
) id
= 1; /* avoid an id of 0 */
490 /* try to merge a message with the last in the list; return 1 if successful */
491 static int merge_message( struct thread_input
*input
, const struct message
*msg
)
493 struct message
*prev
;
496 if (msg
->msg
!= WM_MOUSEMOVE
) return 0;
497 for (ptr
= list_tail( &input
->msg_list
); ptr
; ptr
= list_prev( &input
->msg_list
, ptr
))
499 prev
= LIST_ENTRY( ptr
, struct message
, entry
);
500 if (prev
->msg
!= WM_INPUT
) break;
503 if (prev
->result
) return 0;
504 if (prev
->win
&& msg
->win
&& prev
->win
!= msg
->win
) return 0;
505 if (prev
->msg
!= msg
->msg
) return 0;
506 if (prev
->type
!= msg
->type
) return 0;
507 /* now we can merge it */
508 prev
->wparam
= msg
->wparam
;
509 prev
->lparam
= msg
->lparam
;
510 prev
->time
= msg
->time
;
511 if (msg
->type
== MSG_HARDWARE
&& prev
->data
&& msg
->data
)
513 struct hardware_msg_data
*prev_data
= prev
->data
;
514 struct hardware_msg_data
*msg_data
= msg
->data
;
515 prev_data
->x
= msg_data
->x
;
516 prev_data
->y
= msg_data
->y
;
517 prev_data
->info
= msg_data
->info
;
520 list_add_tail( &input
->msg_list
, ptr
);
524 /* free a result structure */
525 static void free_result( struct message_result
*result
)
527 if (result
->timeout
) remove_timeout_user( result
->timeout
);
528 free( result
->data
);
529 if (result
->callback_msg
) free_message( result
->callback_msg
);
530 if (result
->hardware_msg
) free_message( result
->hardware_msg
);
531 if (result
->desktop
) release_object( result
->desktop
);
535 /* remove the result from the sender list it is on */
536 static inline void remove_result_from_sender( struct message_result
*result
)
538 assert( result
->sender
);
540 list_remove( &result
->sender_entry
);
541 result
->sender
= NULL
;
542 if (!result
->receiver
) free_result( result
);
545 /* store the message result in the appropriate structure */
546 static void store_message_result( struct message_result
*res
, lparam_t result
, unsigned int error
)
548 res
->result
= result
;
553 remove_timeout_user( res
->timeout
);
557 if (res
->hardware_msg
)
559 if (!error
&& result
) /* rejected by the hook */
560 free_message( res
->hardware_msg
);
562 queue_hardware_message( res
->desktop
, res
->hardware_msg
, 0 );
564 res
->hardware_msg
= NULL
;
569 if (res
->callback_msg
)
571 /* queue the callback message in the sender queue */
572 struct callback_msg_data
*data
= res
->callback_msg
->data
;
573 data
->result
= result
;
574 list_add_tail( &res
->sender
->msg_list
[SEND_MESSAGE
], &res
->callback_msg
->entry
);
575 set_queue_bits( res
->sender
, QS_SENDMESSAGE
);
576 res
->callback_msg
= NULL
;
577 remove_result_from_sender( res
);
581 /* wake sender queue if waiting on this result */
582 if (list_head(&res
->sender
->send_result
) == &res
->sender_entry
)
583 set_queue_bits( res
->sender
, QS_SMRESULT
);
586 else if (!res
->receiver
) free_result( res
);
589 /* free a message when deleting a queue or window */
590 static void free_message( struct message
*msg
)
592 struct message_result
*result
= msg
->result
;
596 result
->receiver
= NULL
;
597 store_message_result( result
, 0, STATUS_ACCESS_DENIED
/*FIXME*/ );
603 /* remove (and free) a message from a message list */
604 static void remove_queue_message( struct msg_queue
*queue
, struct message
*msg
,
605 enum message_kind kind
)
607 list_remove( &msg
->entry
);
611 if (list_empty( &queue
->msg_list
[kind
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
614 if (list_empty( &queue
->msg_list
[kind
] ) && !queue
->quit_message
)
615 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
616 if (msg
->msg
== WM_HOTKEY
&& --queue
->hotkey_count
== 0)
617 clear_queue_bits( queue
, QS_HOTKEY
);
623 /* message timed out without getting a reply */
624 static void result_timeout( void *private )
626 struct message_result
*result
= private;
628 assert( !result
->replied
);
630 result
->timeout
= NULL
;
632 if (result
->msg
) /* not received yet */
634 struct message
*msg
= result
->msg
;
638 remove_queue_message( result
->receiver
, msg
, SEND_MESSAGE
);
639 result
->receiver
= NULL
;
641 store_message_result( result
, 0, STATUS_TIMEOUT
);
644 /* allocate and fill a message result structure */
645 static struct message_result
*alloc_message_result( struct msg_queue
*send_queue
,
646 struct msg_queue
*recv_queue
,
647 struct message
*msg
, timeout_t timeout
)
649 struct message_result
*result
= mem_alloc( sizeof(*result
) );
653 result
->sender
= send_queue
;
654 result
->receiver
= recv_queue
;
657 result
->data_size
= 0;
658 result
->timeout
= NULL
;
659 result
->hardware_msg
= NULL
;
660 result
->desktop
= NULL
;
661 result
->callback_msg
= NULL
;
663 if (msg
->type
== MSG_CALLBACK
)
665 struct message
*callback_msg
= mem_alloc( sizeof(*callback_msg
) );
672 callback_msg
->type
= MSG_CALLBACK_RESULT
;
673 callback_msg
->win
= msg
->win
;
674 callback_msg
->msg
= msg
->msg
;
675 callback_msg
->wparam
= 0;
676 callback_msg
->lparam
= 0;
677 callback_msg
->time
= get_tick_count();
678 callback_msg
->result
= NULL
;
679 /* steal the data from the original message */
680 callback_msg
->data
= msg
->data
;
681 callback_msg
->data_size
= msg
->data_size
;
685 result
->callback_msg
= callback_msg
;
686 list_add_head( &send_queue
->callback_result
, &result
->sender_entry
);
688 else if (send_queue
) list_add_head( &send_queue
->send_result
, &result
->sender_entry
);
690 if (timeout
!= TIMEOUT_INFINITE
)
691 result
->timeout
= add_timeout_user( timeout
, result_timeout
, result
);
696 /* receive a message, removing it from the sent queue */
697 static void receive_message( struct msg_queue
*queue
, struct message
*msg
,
698 struct get_message_reply
*reply
)
700 struct message_result
*result
= msg
->result
;
702 reply
->total
= msg
->data_size
;
703 if (msg
->data_size
> get_reply_max_size())
705 set_error( STATUS_BUFFER_OVERFLOW
);
708 reply
->type
= msg
->type
;
709 reply
->win
= msg
->win
;
710 reply
->msg
= msg
->msg
;
711 reply
->wparam
= msg
->wparam
;
712 reply
->lparam
= msg
->lparam
;
713 reply
->time
= msg
->time
;
715 if (msg
->data
) set_reply_data_ptr( msg
->data
, msg
->data_size
);
717 list_remove( &msg
->entry
);
718 /* put the result on the receiver result stack */
722 result
->recv_next
= queue
->recv_result
;
723 queue
->recv_result
= result
;
726 if (list_empty( &queue
->msg_list
[SEND_MESSAGE
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
729 /* set the result of the current received message */
730 static void reply_message( struct msg_queue
*queue
, lparam_t result
,
731 unsigned int error
, int remove
, const void *data
, data_size_t len
)
733 struct message_result
*res
= queue
->recv_result
;
737 queue
->recv_result
= res
->recv_next
;
738 res
->receiver
= NULL
;
739 if (!res
->sender
&& !res
->hardware_msg
) /* no one waiting for it */
747 if (len
&& (res
->data
= memdup( data
, len
))) res
->data_size
= len
;
748 store_message_result( res
, result
, error
);
752 static int match_window( user_handle_t win
, user_handle_t msg_win
)
755 if (win
== -1 || win
== 1) return !msg_win
;
756 if (msg_win
== win
) return 1;
757 return is_child_window( win
, msg_win
);
760 /* retrieve a posted message */
761 static int get_posted_message( struct msg_queue
*queue
, user_handle_t win
,
762 unsigned int first
, unsigned int last
, unsigned int flags
,
763 struct get_message_reply
*reply
)
767 /* check against the filters */
768 LIST_FOR_EACH_ENTRY( msg
, &queue
->msg_list
[POST_MESSAGE
], struct message
, entry
)
770 if (!match_window( win
, msg
->win
)) continue;
771 if (!check_msg_filter( msg
->msg
, first
, last
)) continue;
772 goto found
; /* found one */
776 /* return it to the app */
778 reply
->total
= msg
->data_size
;
779 if (msg
->data_size
> get_reply_max_size())
781 set_error( STATUS_BUFFER_OVERFLOW
);
784 reply
->type
= msg
->type
;
785 reply
->win
= msg
->win
;
786 reply
->msg
= msg
->msg
;
787 reply
->wparam
= msg
->wparam
;
788 reply
->lparam
= msg
->lparam
;
789 reply
->time
= msg
->time
;
791 if (flags
& PM_REMOVE
)
795 set_reply_data_ptr( msg
->data
, msg
->data_size
);
799 remove_queue_message( queue
, msg
, POST_MESSAGE
);
801 else if (msg
->data
) set_reply_data( msg
->data
, msg
->data_size
);
806 static int get_quit_message( struct msg_queue
*queue
, unsigned int flags
,
807 struct get_message_reply
*reply
)
809 if (queue
->quit_message
)
812 reply
->type
= MSG_POSTED
;
814 reply
->msg
= WM_QUIT
;
815 reply
->wparam
= queue
->exit_code
;
817 reply
->time
= get_tick_count();
819 if (flags
& PM_REMOVE
)
821 queue
->quit_message
= 0;
822 if (list_empty( &queue
->msg_list
[POST_MESSAGE
] ))
823 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
831 /* empty a message list and free all the messages */
832 static void empty_msg_list( struct list
*list
)
836 while ((ptr
= list_head( list
)) != NULL
)
838 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
839 list_remove( &msg
->entry
);
844 /* cleanup all pending results when deleting a queue */
845 static void cleanup_results( struct msg_queue
*queue
)
849 while ((entry
= list_head( &queue
->send_result
)) != NULL
)
851 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
854 while ((entry
= list_head( &queue
->callback_result
)) != NULL
)
856 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
859 while (queue
->recv_result
)
860 reply_message( queue
, 0, STATUS_ACCESS_DENIED
/*FIXME*/, 1, NULL
, 0 );
863 /* check if the thread owning the queue is hung (not checking for messages) */
864 static int is_queue_hung( struct msg_queue
*queue
)
866 struct wait_queue_entry
*entry
;
868 if (current_time
- queue
->last_get_msg
<= 5 * TICKS_PER_SEC
)
869 return 0; /* less than 5 seconds since last get message -> not hung */
871 LIST_FOR_EACH_ENTRY( entry
, &queue
->obj
.wait_queue
, struct wait_queue_entry
, entry
)
873 if (get_wait_queue_thread(entry
)->queue
== queue
)
874 return 0; /* thread is waiting on queue -> not hung */
879 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
)
881 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
882 struct process
*process
= get_wait_queue_thread(entry
)->process
;
884 /* a thread can only wait on its own queue */
885 if (get_wait_queue_thread(entry
)->queue
!= queue
)
887 set_error( STATUS_ACCESS_DENIED
);
890 if (process
->idle_event
&& !(queue
->wake_mask
& QS_SMRESULT
)) set_event( process
->idle_event
);
892 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* first on the queue */
893 set_fd_events( queue
->fd
, POLLIN
);
894 add_queue( obj
, entry
);
898 static void msg_queue_remove_queue(struct object
*obj
, struct wait_queue_entry
*entry
)
900 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
902 remove_queue( obj
, entry
);
903 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* last on the queue is gone */
904 set_fd_events( queue
->fd
, 0 );
907 static void msg_queue_dump( struct object
*obj
, int verbose
)
909 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
910 fprintf( stderr
, "Msg queue bits=%x mask=%x\n",
911 queue
->wake_bits
, queue
->wake_mask
);
914 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
916 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
921 if ((ret
= check_fd_events( queue
->fd
, POLLIN
)))
922 /* stop waiting on select() if we are signaled */
923 set_fd_events( queue
->fd
, 0 );
924 else if (!list_empty( &obj
->wait_queue
))
925 /* restart waiting on poll() if we are no longer signaled */
926 set_fd_events( queue
->fd
, POLLIN
);
928 return ret
|| is_signaled( queue
);
931 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
)
933 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
934 queue
->wake_mask
= queue
->wake_get_msg
;
935 queue
->changed_mask
= queue
->changed_get_msg
;
938 static void msg_queue_destroy( struct object
*obj
)
940 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
942 struct hotkey
*hotkey
, *hotkey2
;
945 cleanup_results( queue
);
946 for (i
= 0; i
< NB_MSG_KINDS
; i
++) empty_msg_list( &queue
->msg_list
[i
] );
948 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &queue
->input
->desktop
->hotkeys
, struct hotkey
, entry
)
950 if (hotkey
->queue
== queue
)
952 list_remove( &hotkey
->entry
);
957 while ((ptr
= list_head( &queue
->pending_timers
)))
959 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
960 list_remove( &timer
->entry
);
963 while ((ptr
= list_head( &queue
->expired_timers
)))
965 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
966 list_remove( &timer
->entry
);
969 if (queue
->timeout
) remove_timeout_user( queue
->timeout
);
970 queue
->input
->cursor_count
-= queue
->cursor_count
;
971 release_object( queue
->input
);
972 if (queue
->hooks
) release_object( queue
->hooks
);
973 if (queue
->fd
) release_object( queue
->fd
);
976 static void msg_queue_poll_event( struct fd
*fd
, int event
)
978 struct msg_queue
*queue
= get_fd_user( fd
);
979 assert( queue
->obj
.ops
== &msg_queue_ops
);
981 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
982 else set_fd_events( queue
->fd
, 0 );
983 wake_up( &queue
->obj
, 0 );
986 static void thread_input_dump( struct object
*obj
, int verbose
)
988 struct thread_input
*input
= (struct thread_input
*)obj
;
989 fprintf( stderr
, "Thread input focus=%08x capture=%08x active=%08x\n",
990 input
->focus
, input
->capture
, input
->active
);
993 static void thread_input_destroy( struct object
*obj
)
995 struct thread_input
*input
= (struct thread_input
*)obj
;
997 empty_msg_list( &input
->msg_list
);
1000 if (input
->desktop
->foreground_input
== input
) set_foreground_input( input
->desktop
, NULL
);
1001 release_object( input
->desktop
);
1005 /* fix the thread input data when a window is destroyed */
1006 static inline void thread_input_cleanup_window( struct msg_queue
*queue
, user_handle_t window
)
1008 struct thread_input
*input
= queue
->input
;
1010 if (window
== input
->focus
) input
->focus
= 0;
1011 if (window
== input
->capture
) input
->capture
= 0;
1012 if (window
== input
->active
) input
->active
= 0;
1013 if (window
== input
->menu_owner
) input
->menu_owner
= 0;
1014 if (window
== input
->move_size
) input
->move_size
= 0;
1015 if (window
== input
->caret
) set_caret_window( input
, 0 );
1018 /* check if the specified window can be set in the input data of a given queue */
1019 static int check_queue_input_window( struct msg_queue
*queue
, user_handle_t window
)
1021 struct thread
*thread
;
1024 if (!window
) return 1; /* we can always clear the data */
1026 if ((thread
= get_window_thread( window
)))
1028 ret
= (queue
->input
== thread
->queue
->input
);
1029 if (!ret
) set_error( STATUS_ACCESS_DENIED
);
1030 release_object( thread
);
1032 else set_error( STATUS_INVALID_HANDLE
);
1037 /* make sure the specified thread has a queue */
1038 int init_thread_queue( struct thread
*thread
)
1040 if (thread
->queue
) return 1;
1041 return (create_msg_queue( thread
, NULL
) != NULL
);
1044 /* attach two thread input data structures */
1045 int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
)
1047 struct desktop
*desktop
;
1048 struct thread_input
*input
;
1051 if (!thread_to
->queue
&& !(thread_to
->queue
= create_msg_queue( thread_to
, NULL
))) return 0;
1052 if (!(desktop
= get_thread_desktop( thread_from
, 0 ))) return 0;
1053 input
= (struct thread_input
*)grab_object( thread_to
->queue
->input
);
1054 if (input
->desktop
!= desktop
)
1056 set_error( STATUS_ACCESS_DENIED
);
1057 release_object( input
);
1058 release_object( desktop
);
1061 release_object( desktop
);
1063 ret
= assign_thread_input( thread_from
, input
);
1064 if (ret
) memset( input
->keystate
, 0, sizeof(input
->keystate
) );
1065 release_object( input
);
1069 /* detach two thread input data structures */
1070 void detach_thread_input( struct thread
*thread_from
)
1072 struct thread_input
*input
;
1074 if ((input
= create_thread_input( thread_from
)))
1076 assign_thread_input( thread_from
, input
);
1077 release_object( input
);
1082 /* set the next timer to expire */
1083 static void set_next_timer( struct msg_queue
*queue
)
1089 remove_timeout_user( queue
->timeout
);
1090 queue
->timeout
= NULL
;
1092 if ((ptr
= list_head( &queue
->pending_timers
)))
1094 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1095 queue
->timeout
= add_timeout_user( timer
->when
, timer_callback
, queue
);
1097 /* set/clear QS_TIMER bit */
1098 if (list_empty( &queue
->expired_timers
))
1099 clear_queue_bits( queue
, QS_TIMER
);
1101 set_queue_bits( queue
, QS_TIMER
);
1104 /* find a timer from its window and id */
1105 static struct timer
*find_timer( struct msg_queue
*queue
, user_handle_t win
,
1106 unsigned int msg
, lparam_t id
)
1110 /* we need to search both lists */
1112 LIST_FOR_EACH( ptr
, &queue
->pending_timers
)
1114 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1115 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1117 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1119 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1120 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1125 /* callback for the next timer expiration */
1126 static void timer_callback( void *private )
1128 struct msg_queue
*queue
= private;
1131 queue
->timeout
= NULL
;
1132 /* move on to the next timer */
1133 ptr
= list_head( &queue
->pending_timers
);
1135 list_add_tail( &queue
->expired_timers
, ptr
);
1136 set_next_timer( queue
);
1139 /* link a timer at its rightful place in the queue list */
1140 static void link_timer( struct msg_queue
*queue
, struct timer
*timer
)
1144 for (ptr
= queue
->pending_timers
.next
; ptr
!= &queue
->pending_timers
; ptr
= ptr
->next
)
1146 struct timer
*t
= LIST_ENTRY( ptr
, struct timer
, entry
);
1147 if (t
->when
>= timer
->when
) break;
1149 list_add_before( ptr
, &timer
->entry
);
1152 /* remove a timer from the queue timer list and free it */
1153 static void free_timer( struct msg_queue
*queue
, struct timer
*timer
)
1155 list_remove( &timer
->entry
);
1157 set_next_timer( queue
);
1160 /* restart an expired timer */
1161 static void restart_timer( struct msg_queue
*queue
, struct timer
*timer
)
1163 list_remove( &timer
->entry
);
1164 while (timer
->when
<= current_time
) timer
->when
+= (timeout_t
)timer
->rate
* 10000;
1165 link_timer( queue
, timer
);
1166 set_next_timer( queue
);
1169 /* find an expired timer matching the filtering parameters */
1170 static struct timer
*find_expired_timer( struct msg_queue
*queue
, user_handle_t win
,
1171 unsigned int get_first
, unsigned int get_last
,
1176 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1178 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1179 if (win
&& timer
->win
!= win
) continue;
1180 if (check_msg_filter( timer
->msg
, get_first
, get_last
))
1182 if (remove
) restart_timer( queue
, timer
);
1190 static struct timer
*set_timer( struct msg_queue
*queue
, unsigned int rate
)
1192 struct timer
*timer
= mem_alloc( sizeof(*timer
) );
1195 timer
->rate
= max( rate
, 1 );
1196 timer
->when
= current_time
+ (timeout_t
)timer
->rate
* 10000;
1197 link_timer( queue
, timer
);
1198 /* check if we replaced the next timer */
1199 if (list_head( &queue
->pending_timers
) == &timer
->entry
) set_next_timer( queue
);
1204 /* change the input key state for a given key */
1205 static void set_input_key_state( unsigned char *keystate
, unsigned char key
, int down
)
1209 if (!(keystate
[key
] & 0x80)) keystate
[key
] ^= 0x01;
1210 keystate
[key
] |= down
;
1212 else keystate
[key
] &= ~0x80;
1215 /* update the input key state for a keyboard message */
1216 static void update_input_key_state( struct desktop
*desktop
, unsigned char *keystate
,
1217 const struct message
*msg
)
1224 case WM_LBUTTONDOWN
:
1225 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1228 set_input_key_state( keystate
, VK_LBUTTON
, down
);
1230 case WM_MBUTTONDOWN
:
1231 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1234 set_input_key_state( keystate
, VK_MBUTTON
, down
);
1236 case WM_RBUTTONDOWN
:
1237 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1240 set_input_key_state( keystate
, VK_RBUTTON
, down
);
1242 case WM_XBUTTONDOWN
:
1243 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1246 if (msg
->wparam
>> 16 == XBUTTON1
) set_input_key_state( keystate
, VK_XBUTTON1
, down
);
1247 else if (msg
->wparam
>> 16 == XBUTTON2
) set_input_key_state( keystate
, VK_XBUTTON2
, down
);
1251 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1255 key
= (unsigned char)msg
->wparam
;
1256 set_input_key_state( keystate
, key
, down
);
1261 down
= (keystate
[VK_LCONTROL
] | keystate
[VK_RCONTROL
]) & 0x80;
1262 set_input_key_state( keystate
, VK_CONTROL
, down
);
1266 down
= (keystate
[VK_LMENU
] | keystate
[VK_RMENU
]) & 0x80;
1267 set_input_key_state( keystate
, VK_MENU
, down
);
1271 down
= (keystate
[VK_LSHIFT
] | keystate
[VK_RSHIFT
]) & 0x80;
1272 set_input_key_state( keystate
, VK_SHIFT
, down
);
1279 /* release the hardware message currently being processed by the given thread */
1280 static void release_hardware_message( struct msg_queue
*queue
, unsigned int hw_id
,
1281 int remove
, user_handle_t new_win
)
1283 struct thread_input
*input
= queue
->input
;
1284 struct message
*msg
;
1286 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
1288 if (msg
->unique_id
== hw_id
) break;
1290 if (&msg
->entry
== &input
->msg_list
) return; /* not found */
1292 /* clear the queue bit for that message */
1293 if (remove
|| new_win
)
1295 struct message
*other
;
1298 clr_bit
= get_hardware_msg_bit( msg
);
1299 LIST_FOR_EACH_ENTRY( other
, &input
->msg_list
, struct message
, entry
)
1301 if (other
!= msg
&& get_hardware_msg_bit( other
) == clr_bit
)
1307 if (clr_bit
) clear_queue_bits( queue
, clr_bit
);
1310 if (new_win
) /* set the new window */
1312 struct thread
*owner
= get_window_thread( new_win
);
1316 if (owner
->queue
->input
!= input
)
1318 list_remove( &msg
->entry
);
1319 if (merge_message( owner
->queue
->input
, msg
))
1321 free_message( msg
);
1322 release_object( owner
);
1325 list_add_tail( &owner
->queue
->input
->msg_list
, &msg
->entry
);
1327 set_queue_bits( owner
->queue
, get_hardware_msg_bit( msg
));
1329 release_object( owner
);
1334 update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1335 list_remove( &msg
->entry
);
1336 free_message( msg
);
1340 static int queue_hotkey_message( struct desktop
*desktop
, struct message
*msg
)
1342 struct hotkey
*hotkey
;
1343 unsigned int modifiers
= 0;
1345 if (msg
->msg
!= WM_KEYDOWN
) return 0;
1347 if (desktop
->keystate
[VK_MENU
] & 0x80) modifiers
|= MOD_ALT
;
1348 if (desktop
->keystate
[VK_CONTROL
] & 0x80) modifiers
|= MOD_CONTROL
;
1349 if (desktop
->keystate
[VK_SHIFT
] & 0x80) modifiers
|= MOD_SHIFT
;
1350 if ((desktop
->keystate
[VK_LWIN
] & 0x80) || (desktop
->keystate
[VK_RWIN
] & 0x80)) modifiers
|= MOD_WIN
;
1352 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
1354 if (hotkey
->vkey
!= msg
->wparam
) continue;
1355 if ((hotkey
->flags
& (MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
)) == modifiers
) goto found
;
1361 msg
->type
= MSG_POSTED
;
1362 msg
->win
= hotkey
->win
;
1363 msg
->msg
= WM_HOTKEY
;
1364 msg
->wparam
= hotkey
->id
;
1365 msg
->lparam
= ((hotkey
->vkey
& 0xffff) << 16) | modifiers
;
1371 list_add_tail( &hotkey
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
1372 set_queue_bits( hotkey
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
|QS_HOTKEY
);
1373 hotkey
->queue
->hotkey_count
++;
1377 /* find the window that should receive a given hardware message */
1378 static user_handle_t
find_hardware_message_window( struct desktop
*desktop
, struct thread_input
*input
,
1379 struct message
*msg
, unsigned int *msg_code
)
1381 struct hardware_msg_data
*data
= msg
->data
;
1382 user_handle_t win
= 0;
1384 *msg_code
= msg
->msg
;
1385 if (msg
->msg
== WM_INPUT
)
1387 if (!(win
= msg
->win
) && input
) win
= input
->focus
;
1389 else if (is_keyboard_msg( msg
))
1391 if (input
&& !(win
= input
->focus
))
1393 win
= input
->active
;
1394 if (*msg_code
< WM_SYSKEYDOWN
) *msg_code
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
1397 else /* mouse message */
1399 if (!input
|| !(win
= input
->capture
))
1401 if (!(win
= msg
->win
) || !is_window_visible( win
) || is_window_transparent( win
))
1402 win
= window_from_point( desktop
, data
->x
, data
->y
);
1408 static struct rawinput_device_entry
*find_rawinput_device( unsigned short usage_page
, unsigned short usage
)
1410 struct rawinput_device_entry
*e
;
1412 LIST_FOR_EACH_ENTRY( e
, ¤t
->process
->rawinput_devices
, struct rawinput_device_entry
, entry
)
1414 if (e
->device
.usage_page
!= usage_page
|| e
->device
.usage
!= usage
) continue;
1421 static void update_rawinput_device(const struct rawinput_device
*device
)
1423 struct rawinput_device_entry
*e
;
1425 if (!(e
= find_rawinput_device( device
->usage_page
, device
->usage
)))
1427 if (!(e
= mem_alloc( sizeof(*e
) ))) return;
1428 list_add_tail( ¤t
->process
->rawinput_devices
, &e
->entry
);
1431 if (device
->flags
& RIDEV_REMOVE
)
1433 list_remove( &e
->entry
);
1438 e
->device
= *device
;
1439 e
->device
.target
= get_user_full_handle( e
->device
.target
);
1442 /* queue a hardware message into a given thread input */
1443 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
)
1446 struct thread
*thread
;
1447 struct thread_input
*input
;
1448 unsigned int msg_code
;
1449 struct hardware_msg_data
*data
= msg
->data
;
1451 update_input_key_state( desktop
, desktop
->keystate
, msg
);
1452 last_input_time
= get_tick_count();
1453 if (msg
->msg
!= WM_MOUSEMOVE
) always_queue
= 1;
1455 if (is_keyboard_msg( msg
))
1457 if (queue_hotkey_message( desktop
, msg
)) return;
1458 if (desktop
->keystate
[VK_MENU
] & 0x80) msg
->lparam
|= KF_ALTDOWN
<< 16;
1459 if (msg
->wparam
== VK_SHIFT
|| msg
->wparam
== VK_LSHIFT
|| msg
->wparam
== VK_RSHIFT
)
1460 msg
->lparam
&= ~(KF_EXTENDED
<< 16);
1462 else if (msg
->msg
!= WM_INPUT
)
1464 if (msg
->msg
== WM_MOUSEMOVE
)
1466 int x
= min( max( data
->x
, desktop
->cursor
.clip
.left
), desktop
->cursor
.clip
.right
-1 );
1467 int y
= min( max( data
->y
, desktop
->cursor
.clip
.top
), desktop
->cursor
.clip
.bottom
-1 );
1468 if (desktop
->cursor
.x
!= x
|| desktop
->cursor
.y
!= y
) always_queue
= 1;
1469 desktop
->cursor
.x
= x
;
1470 desktop
->cursor
.y
= y
;
1471 desktop
->cursor
.last_change
= get_tick_count();
1473 if (desktop
->keystate
[VK_LBUTTON
] & 0x80) msg
->wparam
|= MK_LBUTTON
;
1474 if (desktop
->keystate
[VK_MBUTTON
] & 0x80) msg
->wparam
|= MK_MBUTTON
;
1475 if (desktop
->keystate
[VK_RBUTTON
] & 0x80) msg
->wparam
|= MK_RBUTTON
;
1476 if (desktop
->keystate
[VK_SHIFT
] & 0x80) msg
->wparam
|= MK_SHIFT
;
1477 if (desktop
->keystate
[VK_CONTROL
] & 0x80) msg
->wparam
|= MK_CONTROL
;
1478 if (desktop
->keystate
[VK_XBUTTON1
] & 0x80) msg
->wparam
|= MK_XBUTTON1
;
1479 if (desktop
->keystate
[VK_XBUTTON2
] & 0x80) msg
->wparam
|= MK_XBUTTON2
;
1481 data
->x
= desktop
->cursor
.x
;
1482 data
->y
= desktop
->cursor
.y
;
1484 if (msg
->win
&& (thread
= get_window_thread( msg
->win
)))
1486 input
= thread
->queue
->input
;
1487 release_object( thread
);
1489 else input
= desktop
->foreground_input
;
1491 win
= find_hardware_message_window( desktop
, input
, msg
, &msg_code
);
1492 if (!win
|| !(thread
= get_window_thread(win
)))
1494 if (input
) update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1495 free_message( msg
);
1498 input
= thread
->queue
->input
;
1500 if (win
!= desktop
->cursor
.win
) always_queue
= 1;
1501 desktop
->cursor
.win
= win
;
1503 if (!always_queue
|| merge_message( input
, msg
)) free_message( msg
);
1506 msg
->unique_id
= 0; /* will be set once we return it to the app */
1507 list_add_tail( &input
->msg_list
, &msg
->entry
);
1508 set_queue_bits( thread
->queue
, get_hardware_msg_bit(msg
) );
1510 release_object( thread
);
1513 /* send the low-level hook message for a given hardware message */
1514 static int send_hook_ll_message( struct desktop
*desktop
, struct message
*hardware_msg
,
1515 const hw_input_t
*input
, struct msg_queue
*sender
)
1517 struct thread
*hook_thread
;
1518 struct msg_queue
*queue
;
1519 struct message
*msg
;
1520 timeout_t timeout
= 2000 * -10000; /* FIXME: load from registry */
1521 int id
= (input
->type
== INPUT_MOUSE
) ? WH_MOUSE_LL
: WH_KEYBOARD_LL
;
1523 if (!(hook_thread
= get_first_global_hook( id
))) return 0;
1524 if (!(queue
= hook_thread
->queue
)) return 0;
1525 if (is_queue_hung( queue
)) return 0;
1527 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1529 msg
->type
= MSG_HOOK_LL
;
1532 msg
->wparam
= hardware_msg
->msg
;
1533 msg
->time
= hardware_msg
->time
;
1534 msg
->data_size
= hardware_msg
->data_size
;
1537 if (input
->type
== INPUT_KEYBOARD
)
1539 unsigned short vkey
= input
->kbd
.vkey
;
1540 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
) vkey
= VK_PACKET
;
1541 msg
->lparam
= (input
->kbd
.scan
<< 16) | vkey
;
1543 else msg
->lparam
= input
->mouse
.data
<< 16;
1545 if (!(msg
->data
= memdup( hardware_msg
->data
, hardware_msg
->data_size
)) ||
1546 !(msg
->result
= alloc_message_result( sender
, queue
, msg
, timeout
)))
1548 free_message( msg
);
1551 msg
->result
->hardware_msg
= hardware_msg
;
1552 msg
->result
->desktop
= (struct desktop
*)grab_object( desktop
);
1553 list_add_tail( &queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
1554 set_queue_bits( queue
, QS_SENDMESSAGE
);
1558 /* queue a hardware message for a mouse event */
1559 static int queue_mouse_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1560 unsigned int hook_flags
, struct msg_queue
*sender
)
1562 const struct rawinput_device
*device
;
1563 struct hardware_msg_data
*msg_data
;
1564 struct message
*msg
;
1565 unsigned int i
, time
, flags
;
1568 static const unsigned int messages
[] =
1570 WM_MOUSEMOVE
, /* 0x0001 = MOUSEEVENTF_MOVE */
1571 WM_LBUTTONDOWN
, /* 0x0002 = MOUSEEVENTF_LEFTDOWN */
1572 WM_LBUTTONUP
, /* 0x0004 = MOUSEEVENTF_LEFTUP */
1573 WM_RBUTTONDOWN
, /* 0x0008 = MOUSEEVENTF_RIGHTDOWN */
1574 WM_RBUTTONUP
, /* 0x0010 = MOUSEEVENTF_RIGHTUP */
1575 WM_MBUTTONDOWN
, /* 0x0020 = MOUSEEVENTF_MIDDLEDOWN */
1576 WM_MBUTTONUP
, /* 0x0040 = MOUSEEVENTF_MIDDLEUP */
1577 WM_XBUTTONDOWN
, /* 0x0080 = MOUSEEVENTF_XDOWN */
1578 WM_XBUTTONUP
, /* 0x0100 = MOUSEEVENTF_XUP */
1579 0, /* 0x0200 = unused */
1580 0, /* 0x0400 = unused */
1581 WM_MOUSEWHEEL
, /* 0x0800 = MOUSEEVENTF_WHEEL */
1582 WM_MOUSEHWHEEL
/* 0x1000 = MOUSEEVENTF_HWHEEL */
1585 desktop
->cursor
.last_change
= get_tick_count();
1586 flags
= input
->mouse
.flags
;
1587 time
= input
->mouse
.time
;
1588 if (!time
) time
= desktop
->cursor
.last_change
;
1590 if (flags
& MOUSEEVENTF_MOVE
)
1592 if (flags
& MOUSEEVENTF_ABSOLUTE
)
1596 if (flags
& ~(MOUSEEVENTF_MOVE
| MOUSEEVENTF_ABSOLUTE
) &&
1597 x
== desktop
->cursor
.x
&& y
== desktop
->cursor
.y
)
1598 flags
&= ~MOUSEEVENTF_MOVE
;
1602 x
= desktop
->cursor
.x
+ input
->mouse
.x
;
1603 y
= desktop
->cursor
.y
+ input
->mouse
.y
;
1608 x
= desktop
->cursor
.x
;
1609 y
= desktop
->cursor
.y
;
1612 if ((device
= current
->process
->rawinput_mouse
))
1614 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1615 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
1621 msg
->type
= MSG_HARDWARE
;
1622 msg
->win
= device
->target
;
1623 msg
->msg
= WM_INPUT
;
1624 msg
->wparam
= RIM_INPUT
;
1627 msg
->data
= msg_data
;
1628 msg
->data_size
= sizeof(*msg_data
);
1631 msg_data
->info
= input
->mouse
.info
;
1632 msg_data
->flags
= flags
;
1633 msg_data
->rawinput
.type
= RIM_TYPEMOUSE
;
1634 msg_data
->rawinput
.mouse
.x
= x
- desktop
->cursor
.x
;
1635 msg_data
->rawinput
.mouse
.y
= y
- desktop
->cursor
.y
;
1636 msg_data
->rawinput
.mouse
.data
= input
->mouse
.data
;
1638 queue_hardware_message( desktop
, msg
, 0 );
1641 for (i
= 0; i
< sizeof(messages
)/sizeof(messages
[0]); i
++)
1643 if (!messages
[i
]) continue;
1644 if (!(flags
& (1 << i
))) continue;
1647 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1648 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
1653 memset( msg_data
, 0, sizeof(*msg_data
) );
1655 msg
->type
= MSG_HARDWARE
;
1656 msg
->win
= get_user_full_handle( win
);
1657 msg
->msg
= messages
[i
];
1658 msg
->wparam
= input
->mouse
.data
<< 16;
1662 msg
->data
= msg_data
;
1663 msg
->data_size
= sizeof(*msg_data
);
1666 msg_data
->info
= input
->mouse
.info
;
1667 if (hook_flags
& SEND_HWMSG_INJECTED
) msg_data
->flags
= LLMHF_INJECTED
;
1669 /* specify a sender only when sending the last message */
1670 if (!(flags
& ((1 << sizeof(messages
)/sizeof(messages
[0])) - 1)))
1672 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1673 queue_hardware_message( desktop
, msg
, 0 );
1675 else if (!send_hook_ll_message( desktop
, msg
, input
, NULL
))
1676 queue_hardware_message( desktop
, msg
, 0 );
1681 /* queue a hardware message for a keyboard event */
1682 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1683 unsigned int hook_flags
, struct msg_queue
*sender
)
1685 const struct rawinput_device
*device
;
1686 struct hardware_msg_data
*msg_data
;
1687 struct message
*msg
;
1688 unsigned char vkey
= input
->kbd
.vkey
;
1689 unsigned int message_code
, time
;
1692 if (!(time
= input
->kbd
.time
)) time
= get_tick_count();
1694 if (!(input
->kbd
.flags
& KEYEVENTF_UNICODE
))
1701 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RMENU
: VK_LMENU
;
1706 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RCONTROL
: VK_LCONTROL
;
1711 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RSHIFT
: VK_LSHIFT
;
1716 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_KEYUP
: WM_KEYDOWN
;
1721 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
)
1723 /* send WM_SYSKEYUP if Alt still pressed and no other key in between */
1724 /* we use 0x02 as a flag to track if some other SYSKEYUP was sent already */
1725 if ((desktop
->keystate
[VK_MENU
] & 0x82) != 0x82) break;
1726 message_code
= WM_SYSKEYUP
;
1727 desktop
->keystate
[VK_MENU
] &= ~0x02;
1731 /* send WM_SYSKEYDOWN for Alt except with Ctrl */
1732 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1733 message_code
= WM_SYSKEYDOWN
;
1734 desktop
->keystate
[VK_MENU
] |= 0x02;
1740 /* send WM_SYSKEYUP on release if Alt still pressed */
1741 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
)) break;
1742 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1743 message_code
= WM_SYSKEYUP
;
1744 desktop
->keystate
[VK_MENU
] &= ~0x02;
1748 /* send WM_SYSKEY for Alt-anykey and for F10 */
1749 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
1750 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
1753 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_SYSKEYUP
: WM_SYSKEYDOWN
;
1754 desktop
->keystate
[VK_MENU
] &= ~0x02;
1758 if ((device
= current
->process
->rawinput_kbd
))
1760 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1761 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
1767 msg
->type
= MSG_HARDWARE
;
1768 msg
->win
= device
->target
;
1769 msg
->msg
= WM_INPUT
;
1770 msg
->wparam
= RIM_INPUT
;
1773 msg
->data
= msg_data
;
1774 msg
->data_size
= sizeof(*msg_data
);
1777 msg_data
->info
= input
->kbd
.info
;
1778 msg_data
->flags
= input
->kbd
.flags
;
1779 msg_data
->rawinput
.type
= RIM_TYPEKEYBOARD
;
1780 msg_data
->rawinput
.kbd
.message
= message_code
;
1781 msg_data
->rawinput
.kbd
.vkey
= vkey
;
1782 msg_data
->rawinput
.kbd
.scan
= input
->kbd
.scan
;
1784 queue_hardware_message( desktop
, msg
, 0 );
1787 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1788 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
1793 memset( msg_data
, 0, sizeof(*msg_data
) );
1795 msg
->type
= MSG_HARDWARE
;
1796 msg
->win
= get_user_full_handle( win
);
1797 msg
->msg
= message_code
;
1798 msg
->lparam
= (input
->kbd
.scan
<< 16) | 1u; /* repeat count */
1801 msg
->data
= msg_data
;
1802 msg
->data_size
= sizeof(*msg_data
);
1803 msg_data
->info
= input
->kbd
.info
;
1804 if (hook_flags
& SEND_HWMSG_INJECTED
) msg_data
->flags
= LLKHF_INJECTED
;
1806 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
)
1808 msg
->wparam
= VK_PACKET
;
1812 unsigned int flags
= 0;
1813 if (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) flags
|= KF_EXTENDED
;
1814 /* FIXME: set KF_DLGMODE and KF_MENUMODE when needed */
1815 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
) flags
|= KF_REPEAT
| KF_UP
;
1816 else if (desktop
->keystate
[vkey
] & 0x80) flags
|= KF_REPEAT
;
1819 msg
->lparam
|= flags
<< 16;
1820 msg_data
->flags
|= (flags
& (KF_EXTENDED
| KF_ALTDOWN
| KF_UP
)) >> 8;
1823 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1824 queue_hardware_message( desktop
, msg
, 1 );
1829 /* queue a hardware message for a custom type of event */
1830 static void queue_custom_hardware_message( struct desktop
*desktop
, user_handle_t win
,
1831 const hw_input_t
*input
)
1833 struct hardware_msg_data
*msg_data
;
1834 struct message
*msg
;
1836 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return;
1837 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) )))
1842 memset( msg_data
, 0, sizeof(*msg_data
) );
1844 msg
->type
= MSG_HARDWARE
;
1845 msg
->win
= get_user_full_handle( win
);
1846 msg
->msg
= input
->hw
.msg
;
1848 msg
->lparam
= input
->hw
.lparam
;
1849 msg
->time
= get_tick_count();
1851 msg
->data
= msg_data
;
1852 msg
->data_size
= sizeof(*msg_data
);
1854 queue_hardware_message( desktop
, msg
, 1 );
1857 /* check message filter for a hardware message */
1858 static int check_hw_message_filter( user_handle_t win
, unsigned int msg_code
,
1859 user_handle_t filter_win
, unsigned int first
, unsigned int last
)
1861 if (msg_code
>= WM_KEYFIRST
&& msg_code
<= WM_KEYLAST
)
1863 /* we can only test the window for a keyboard message since the
1864 * dest window for a mouse message depends on hittest */
1865 if (filter_win
&& win
!= filter_win
&& !is_child_window( filter_win
, win
))
1867 /* the message code is final for a keyboard message, we can simply check it */
1868 return check_msg_filter( msg_code
, first
, last
);
1870 else /* mouse message */
1872 /* we need to check all possible values that the message can have in the end */
1874 if (check_msg_filter( msg_code
, first
, last
)) return 1;
1875 if (msg_code
== WM_MOUSEWHEEL
) return 0; /* no other possible value for this one */
1877 /* all other messages can become non-client messages */
1878 if (check_msg_filter( msg_code
+ (WM_NCMOUSEFIRST
- WM_MOUSEFIRST
), first
, last
)) return 1;
1880 /* clicks can become double-clicks or non-client double-clicks */
1881 if (msg_code
== WM_LBUTTONDOWN
|| msg_code
== WM_MBUTTONDOWN
||
1882 msg_code
== WM_RBUTTONDOWN
|| msg_code
== WM_XBUTTONDOWN
)
1884 if (check_msg_filter( msg_code
+ (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
1885 if (check_msg_filter( msg_code
+ (WM_NCLBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
1892 /* find a hardware message for the given queue */
1893 static int get_hardware_message( struct thread
*thread
, unsigned int hw_id
, user_handle_t filter_win
,
1894 unsigned int first
, unsigned int last
, unsigned int flags
,
1895 struct get_message_reply
*reply
)
1897 struct thread_input
*input
= thread
->queue
->input
;
1898 struct thread
*win_thread
;
1901 int clear_bits
, got_one
= 0;
1902 unsigned int msg_code
;
1904 ptr
= list_head( &input
->msg_list
);
1909 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
1910 if (msg
->unique_id
== hw_id
) break;
1911 ptr
= list_next( &input
->msg_list
, ptr
);
1913 if (!ptr
) ptr
= list_head( &input
->msg_list
);
1914 else ptr
= list_next( &input
->msg_list
, ptr
); /* start from the next one */
1917 if (ptr
== list_head( &input
->msg_list
))
1918 clear_bits
= QS_INPUT
;
1920 clear_bits
= 0; /* don't clear bits if we don't go through the whole list */
1924 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
1925 struct hardware_msg_data
*data
= msg
->data
;
1927 ptr
= list_next( &input
->msg_list
, ptr
);
1928 win
= find_hardware_message_window( input
->desktop
, input
, msg
, &msg_code
);
1929 if (!win
|| !(win_thread
= get_window_thread( win
)))
1931 /* no window at all, remove it */
1932 update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1933 list_remove( &msg
->entry
);
1934 free_message( msg
);
1937 if (win_thread
!= thread
)
1939 if (win_thread
->queue
->input
== input
)
1941 /* wake the other thread */
1942 set_queue_bits( win_thread
->queue
, get_hardware_msg_bit(msg
) );
1947 /* for another thread input, drop it */
1948 update_input_key_state( input
->desktop
, input
->keystate
, msg
);
1949 list_remove( &msg
->entry
);
1950 free_message( msg
);
1952 release_object( win_thread
);
1955 release_object( win_thread
);
1957 /* if we already got a message for another thread, or if it doesn't
1958 * match the filter we skip it */
1959 if (got_one
|| !check_hw_message_filter( win
, msg_code
, filter_win
, first
, last
))
1961 clear_bits
&= ~get_hardware_msg_bit( msg
);
1964 /* now we can return it */
1965 if (!msg
->unique_id
) msg
->unique_id
= get_unique_id();
1966 reply
->type
= MSG_HARDWARE
;
1968 reply
->msg
= msg_code
;
1969 reply
->wparam
= msg
->wparam
;
1970 reply
->lparam
= msg
->lparam
;
1971 reply
->time
= msg
->time
;
1973 data
->hw_id
= msg
->unique_id
;
1974 set_reply_data( msg
->data
, msg
->data_size
);
1975 if (msg
->msg
== WM_INPUT
&& (flags
& PM_REMOVE
))
1976 release_hardware_message( current
->queue
, data
->hw_id
, 1, 0 );
1979 /* nothing found, clear the hardware queue bits */
1980 clear_queue_bits( thread
->queue
, clear_bits
);
1984 /* increment (or decrement if 'incr' is negative) the queue paint count */
1985 void inc_queue_paint_count( struct thread
*thread
, int incr
)
1987 struct msg_queue
*queue
= thread
->queue
;
1991 if ((queue
->paint_count
+= incr
) < 0) queue
->paint_count
= 0;
1993 if (queue
->paint_count
)
1994 set_queue_bits( queue
, QS_PAINT
);
1996 clear_queue_bits( queue
, QS_PAINT
);
2000 /* remove all messages and timers belonging to a certain window */
2001 void queue_cleanup_window( struct thread
*thread
, user_handle_t win
)
2003 struct msg_queue
*queue
= thread
->queue
;
2011 ptr
= list_head( &queue
->pending_timers
);
2014 struct list
*next
= list_next( &queue
->pending_timers
, ptr
);
2015 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2016 if (timer
->win
== win
) free_timer( queue
, timer
);
2019 ptr
= list_head( &queue
->expired_timers
);
2022 struct list
*next
= list_next( &queue
->expired_timers
, ptr
);
2023 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2024 if (timer
->win
== win
) free_timer( queue
, timer
);
2028 /* remove messages */
2029 for (i
= 0; i
< NB_MSG_KINDS
; i
++)
2031 struct list
*ptr
, *next
;
2033 LIST_FOR_EACH_SAFE( ptr
, next
, &queue
->msg_list
[i
] )
2035 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2036 if (msg
->win
== win
)
2038 if (msg
->msg
== WM_QUIT
&& !queue
->quit_message
)
2040 queue
->quit_message
= 1;
2041 queue
->exit_code
= msg
->wparam
;
2043 remove_queue_message( queue
, msg
, i
);
2048 thread_input_cleanup_window( queue
, win
);
2051 /* post a message to a window; used by socket handling */
2052 void post_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2054 struct message
*msg
;
2055 struct thread
*thread
= get_window_thread( win
);
2057 if (!thread
) return;
2059 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2061 msg
->type
= MSG_POSTED
;
2062 msg
->win
= get_user_full_handle( win
);
2064 msg
->wparam
= wparam
;
2065 msg
->lparam
= lparam
;
2066 msg
->time
= get_tick_count();
2071 list_add_tail( &thread
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2072 set_queue_bits( thread
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2073 if (message
== WM_HOTKEY
)
2075 set_queue_bits( thread
->queue
, QS_HOTKEY
);
2076 thread
->queue
->hotkey_count
++;
2079 release_object( thread
);
2082 /* post a win event */
2083 void post_win_event( struct thread
*thread
, unsigned int event
,
2084 user_handle_t win
, unsigned int object_id
,
2085 unsigned int child_id
, client_ptr_t hook_proc
,
2086 const WCHAR
*module
, data_size_t module_size
,
2089 struct message
*msg
;
2091 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2093 struct winevent_msg_data
*data
;
2095 msg
->type
= MSG_WINEVENT
;
2096 msg
->win
= get_user_full_handle( win
);
2098 msg
->wparam
= object_id
;
2099 msg
->lparam
= child_id
;
2100 msg
->time
= get_tick_count();
2103 if ((data
= malloc( sizeof(*data
) + module_size
)))
2106 data
->tid
= get_thread_id( current
);
2107 data
->hook_proc
= hook_proc
;
2108 memcpy( data
+ 1, module
, module_size
);
2111 msg
->data_size
= sizeof(*data
) + module_size
;
2113 if (debug_level
> 1)
2114 fprintf( stderr
, "post_win_event: tid %04x event %04x win %08x object_id %d child_id %d\n",
2115 get_thread_id(thread
), event
, win
, object_id
, child_id
);
2116 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2117 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2124 /* free all hotkeys on a desktop, optionally filtering by window */
2125 void free_hotkeys( struct desktop
*desktop
, user_handle_t window
)
2127 struct hotkey
*hotkey
, *hotkey2
;
2129 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &desktop
->hotkeys
, struct hotkey
, entry
)
2131 if (!window
|| hotkey
->win
== window
)
2133 list_remove( &hotkey
->entry
);
2140 /* check if the thread owning the window is hung */
2141 DECL_HANDLER(is_window_hung
)
2143 struct thread
*thread
;
2145 thread
= get_window_thread( req
->win
);
2148 reply
->is_hung
= is_queue_hung( thread
->queue
);
2149 release_object( thread
);
2151 else reply
->is_hung
= 0;
2155 /* get the message queue of the current thread */
2156 DECL_HANDLER(get_msg_queue
)
2158 struct msg_queue
*queue
= get_current_queue();
2161 if (queue
) reply
->handle
= alloc_handle( current
->process
, queue
, SYNCHRONIZE
, 0 );
2165 /* set the file descriptor associated to the current thread queue */
2166 DECL_HANDLER(set_queue_fd
)
2168 struct msg_queue
*queue
= get_current_queue();
2172 if (queue
->fd
) /* fd can only be set once */
2174 set_error( STATUS_ACCESS_DENIED
);
2177 if (!(file
= get_file_obj( current
->process
, req
->handle
, SYNCHRONIZE
))) return;
2179 if ((unix_fd
= get_file_unix_fd( file
)) != -1)
2181 if ((unix_fd
= dup( unix_fd
)) != -1)
2182 queue
->fd
= create_anonymous_fd( &msg_queue_fd_ops
, unix_fd
, &queue
->obj
, 0 );
2186 release_object( file
);
2190 /* set the current message queue wakeup mask */
2191 DECL_HANDLER(set_queue_mask
)
2193 struct msg_queue
*queue
= get_current_queue();
2197 queue
->wake_mask
= req
->wake_mask
;
2198 queue
->changed_mask
= req
->changed_mask
;
2199 reply
->wake_bits
= queue
->wake_bits
;
2200 reply
->changed_bits
= queue
->changed_bits
;
2201 if (is_signaled( queue
))
2203 /* if skip wait is set, do what would have been done in the subsequent wait */
2206 queue
->wake_mask
= queue
->wake_get_msg
;
2207 queue
->changed_mask
= queue
->changed_get_msg
;
2209 else wake_up( &queue
->obj
, 0 );
2215 /* get the current message queue status */
2216 DECL_HANDLER(get_queue_status
)
2218 struct msg_queue
*queue
= current
->queue
;
2221 reply
->wake_bits
= queue
->wake_bits
;
2222 reply
->changed_bits
= queue
->changed_bits
;
2223 if (req
->clear
) queue
->changed_bits
= 0;
2225 else reply
->wake_bits
= reply
->changed_bits
= 0;
2229 /* send a message to a thread queue */
2230 DECL_HANDLER(send_message
)
2232 struct message
*msg
;
2233 struct msg_queue
*send_queue
= get_current_queue();
2234 struct msg_queue
*recv_queue
= NULL
;
2235 struct thread
*thread
= NULL
;
2237 if (!(thread
= get_thread_from_id( req
->id
))) return;
2239 if (!(recv_queue
= thread
->queue
))
2241 set_error( STATUS_INVALID_PARAMETER
);
2242 release_object( thread
);
2245 if ((req
->flags
& SEND_MSG_ABORT_IF_HUNG
) && is_queue_hung(recv_queue
))
2247 set_error( STATUS_TIMEOUT
);
2248 release_object( thread
);
2252 if ((msg
= mem_alloc( sizeof(*msg
) )))
2254 msg
->type
= req
->type
;
2255 msg
->win
= get_user_full_handle( req
->win
);
2256 msg
->msg
= req
->msg
;
2257 msg
->wparam
= req
->wparam
;
2258 msg
->lparam
= req
->lparam
;
2259 msg
->time
= get_tick_count();
2262 msg
->data_size
= get_req_data_size();
2264 if (msg
->data_size
&& !(msg
->data
= memdup( get_req_data(), msg
->data_size
)))
2267 release_object( thread
);
2273 case MSG_OTHER_PROCESS
:
2277 if (!(msg
->result
= alloc_message_result( send_queue
, recv_queue
, msg
, req
->timeout
)))
2279 free_message( msg
);
2284 list_add_tail( &recv_queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2285 set_queue_bits( recv_queue
, QS_SENDMESSAGE
);
2288 list_add_tail( &recv_queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2289 set_queue_bits( recv_queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2290 if (msg
->msg
== WM_HOTKEY
)
2292 set_queue_bits( recv_queue
, QS_HOTKEY
);
2293 recv_queue
->hotkey_count
++;
2296 case MSG_HARDWARE
: /* should use send_hardware_message instead */
2297 case MSG_CALLBACK_RESULT
: /* cannot send this one */
2298 case MSG_HOOK_LL
: /* generated internally */
2300 set_error( STATUS_INVALID_PARAMETER
);
2305 release_object( thread
);
2308 /* send a hardware message to a thread queue */
2309 DECL_HANDLER(send_hardware_message
)
2311 struct thread
*thread
= NULL
;
2312 struct desktop
*desktop
;
2313 struct msg_queue
*sender
= get_current_queue();
2314 data_size_t size
= min( 256, get_reply_max_size() );
2316 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2320 if (!(thread
= get_window_thread( req
->win
))) return;
2321 if (desktop
!= thread
->queue
->input
->desktop
)
2323 /* don't allow queuing events to a different desktop */
2324 release_object( desktop
);
2329 reply
->prev_x
= desktop
->cursor
.x
;
2330 reply
->prev_y
= desktop
->cursor
.y
;
2332 switch (req
->input
.type
)
2335 reply
->wait
= queue_mouse_message( desktop
, req
->win
, &req
->input
, req
->flags
, sender
);
2337 case INPUT_KEYBOARD
:
2338 reply
->wait
= queue_keyboard_message( desktop
, req
->win
, &req
->input
, req
->flags
, sender
);
2340 case INPUT_HARDWARE
:
2341 queue_custom_hardware_message( desktop
, req
->win
, &req
->input
);
2344 set_error( STATUS_INVALID_PARAMETER
);
2346 if (thread
) release_object( thread
);
2348 reply
->new_x
= desktop
->cursor
.x
;
2349 reply
->new_y
= desktop
->cursor
.y
;
2350 set_reply_data( desktop
->keystate
, size
);
2351 release_object( desktop
);
2354 /* post a quit message to the current queue */
2355 DECL_HANDLER(post_quit_message
)
2357 struct msg_queue
*queue
= get_current_queue();
2362 queue
->quit_message
= 1;
2363 queue
->exit_code
= req
->exit_code
;
2364 set_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2367 /* get a message from the current queue */
2368 DECL_HANDLER(get_message
)
2370 struct timer
*timer
;
2372 struct msg_queue
*queue
= get_current_queue();
2373 user_handle_t get_win
= get_user_full_handle( req
->get_win
);
2374 unsigned int filter
= req
->flags
>> 16;
2376 reply
->active_hooks
= get_active_hooks();
2379 queue
->last_get_msg
= current_time
;
2380 queue
->wake_get_msg
= queue
->changed_get_msg
= 0;
2381 if (!filter
) filter
= QS_ALLINPUT
;
2383 /* first check for sent messages */
2384 if ((ptr
= list_head( &queue
->msg_list
[SEND_MESSAGE
] )))
2386 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2387 receive_message( queue
, msg
, reply
);
2391 /* clear changed bits so we can wait on them if we don't find a message */
2392 if (filter
& QS_POSTMESSAGE
)
2394 queue
->changed_bits
&= ~(QS_POSTMESSAGE
| QS_HOTKEY
| QS_TIMER
);
2395 if (req
->get_first
== 0 && req
->get_last
== ~0U) queue
->changed_bits
&= ~QS_ALLPOSTMESSAGE
;
2397 if (filter
& QS_INPUT
) queue
->changed_bits
&= ~QS_INPUT
;
2398 if (filter
& QS_PAINT
) queue
->changed_bits
&= ~QS_PAINT
;
2400 /* then check for posted messages */
2401 if ((filter
& QS_POSTMESSAGE
) &&
2402 get_posted_message( queue
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2405 if ((filter
& QS_HOTKEY
) && queue
->hotkey_count
&&
2406 req
->get_first
<= WM_HOTKEY
&& req
->get_last
>= WM_HOTKEY
&&
2407 get_posted_message( queue
, get_win
, WM_HOTKEY
, WM_HOTKEY
, req
->flags
, reply
))
2410 /* only check for quit messages if not posted messages pending.
2411 * note: the quit message isn't filtered */
2412 if (get_quit_message( queue
, req
->flags
, reply
))
2415 /* then check for any raw hardware message */
2416 if ((filter
& QS_INPUT
) &&
2417 filter_contains_hw_range( req
->get_first
, req
->get_last
) &&
2418 get_hardware_message( current
, req
->hw_id
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2421 /* now check for WM_PAINT */
2422 if ((filter
& QS_PAINT
) &&
2423 queue
->paint_count
&&
2424 check_msg_filter( WM_PAINT
, req
->get_first
, req
->get_last
) &&
2425 (reply
->win
= find_window_to_repaint( get_win
, current
)))
2427 reply
->type
= MSG_POSTED
;
2428 reply
->msg
= WM_PAINT
;
2431 reply
->time
= get_tick_count();
2435 /* now check for timer */
2436 if ((filter
& QS_TIMER
) &&
2437 (timer
= find_expired_timer( queue
, get_win
, req
->get_first
,
2438 req
->get_last
, (req
->flags
& PM_REMOVE
) )))
2440 reply
->type
= MSG_POSTED
;
2441 reply
->win
= timer
->win
;
2442 reply
->msg
= timer
->msg
;
2443 reply
->wparam
= timer
->id
;
2444 reply
->lparam
= timer
->lparam
;
2445 reply
->time
= get_tick_count();
2446 if (!(req
->flags
& PM_NOYIELD
) && current
->process
->idle_event
)
2447 set_event( current
->process
->idle_event
);
2451 if (get_win
== -1 && current
->process
->idle_event
) set_event( current
->process
->idle_event
);
2452 queue
->wake_mask
= queue
->wake_get_msg
= req
->wake_mask
;
2453 queue
->changed_mask
= queue
->changed_get_msg
= req
->changed_mask
;
2454 set_error( STATUS_PENDING
); /* FIXME */
2458 /* reply to a sent message */
2459 DECL_HANDLER(reply_message
)
2461 if (!current
->queue
) set_error( STATUS_ACCESS_DENIED
);
2462 else if (current
->queue
->recv_result
)
2463 reply_message( current
->queue
, req
->result
, 0, req
->remove
,
2464 get_req_data(), get_req_data_size() );
2468 /* accept the current hardware message */
2469 DECL_HANDLER(accept_hardware_message
)
2472 release_hardware_message( current
->queue
, req
->hw_id
, req
->remove
, req
->new_win
);
2474 set_error( STATUS_ACCESS_DENIED
);
2478 /* retrieve the reply for the last message sent */
2479 DECL_HANDLER(get_message_reply
)
2481 struct message_result
*result
;
2483 struct msg_queue
*queue
= current
->queue
;
2487 set_error( STATUS_PENDING
);
2490 if (!(entry
= list_head( &queue
->send_result
))) return; /* no reply ready */
2492 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2493 if (result
->replied
|| req
->cancel
)
2495 if (result
->replied
)
2497 reply
->result
= result
->result
;
2498 set_error( result
->error
);
2501 data_size_t data_len
= min( result
->data_size
, get_reply_max_size() );
2502 set_reply_data_ptr( result
->data
, data_len
);
2503 result
->data
= NULL
;
2504 result
->data_size
= 0;
2507 remove_result_from_sender( result
);
2509 entry
= list_head( &queue
->send_result
);
2510 if (!entry
) clear_queue_bits( queue
, QS_SMRESULT
);
2513 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2514 if (!result
->replied
) clear_queue_bits( queue
, QS_SMRESULT
);
2518 else set_error( STATUS_ACCESS_DENIED
);
2522 /* set a window timer */
2523 DECL_HANDLER(set_win_timer
)
2525 struct timer
*timer
;
2526 struct msg_queue
*queue
;
2527 struct thread
*thread
= NULL
;
2528 user_handle_t win
= 0;
2529 lparam_t id
= req
->id
;
2533 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2535 set_error( STATUS_INVALID_HANDLE
);
2538 if (thread
->process
!= current
->process
)
2540 release_object( thread
);
2541 set_error( STATUS_ACCESS_DENIED
);
2544 queue
= thread
->queue
;
2545 /* remove it if it existed already */
2546 if ((timer
= find_timer( queue
, win
, req
->msg
, id
))) free_timer( queue
, timer
);
2550 queue
= get_current_queue();
2551 /* look for a timer with this id */
2552 if (id
&& (timer
= find_timer( queue
, 0, req
->msg
, id
)))
2554 /* free and reuse id */
2555 free_timer( queue
, timer
);
2559 /* find a free id for it */
2562 id
= queue
->next_timer_id
;
2563 if (--queue
->next_timer_id
<= 0x100) queue
->next_timer_id
= 0x7fff;
2565 while (find_timer( queue
, 0, req
->msg
, id
));
2569 if ((timer
= set_timer( queue
, req
->rate
)))
2572 timer
->msg
= req
->msg
;
2574 timer
->lparam
= req
->lparam
;
2577 if (thread
) release_object( thread
);
2580 /* kill a window timer */
2581 DECL_HANDLER(kill_win_timer
)
2583 struct timer
*timer
;
2584 struct thread
*thread
;
2585 user_handle_t win
= 0;
2589 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2591 set_error( STATUS_INVALID_HANDLE
);
2594 if (thread
->process
!= current
->process
)
2596 release_object( thread
);
2597 set_error( STATUS_ACCESS_DENIED
);
2601 else thread
= (struct thread
*)grab_object( current
);
2603 if (thread
->queue
&& (timer
= find_timer( thread
->queue
, win
, req
->msg
, req
->id
)))
2604 free_timer( thread
->queue
, timer
);
2606 set_error( STATUS_INVALID_PARAMETER
);
2608 release_object( thread
);
2611 DECL_HANDLER(register_hotkey
)
2613 struct desktop
*desktop
;
2614 user_handle_t win_handle
= req
->window
;
2615 struct hotkey
*hotkey
;
2616 struct hotkey
*new_hotkey
= NULL
;
2617 struct thread
*thread
;
2618 const int modifier_flags
= MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
;
2620 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2624 if (!get_user_object_handle( &win_handle
, USER_WINDOW
))
2626 release_object( desktop
);
2627 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2631 thread
= get_window_thread( win_handle
);
2632 if (thread
) release_object( thread
);
2634 if (thread
!= current
)
2636 release_object( desktop
);
2637 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2642 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2644 if (req
->vkey
== hotkey
->vkey
&&
2645 (req
->flags
& modifier_flags
) == (hotkey
->flags
& modifier_flags
))
2647 release_object( desktop
);
2648 set_win32_error( ERROR_HOTKEY_ALREADY_REGISTERED
);
2651 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2652 new_hotkey
= hotkey
;
2657 reply
->replaced
= 1;
2658 reply
->flags
= new_hotkey
->flags
;
2659 reply
->vkey
= new_hotkey
->vkey
;
2663 new_hotkey
= mem_alloc( sizeof(*new_hotkey
) );
2666 list_add_tail( &desktop
->hotkeys
, &new_hotkey
->entry
);
2667 new_hotkey
->queue
= current
->queue
;
2668 new_hotkey
->win
= win_handle
;
2669 new_hotkey
->id
= req
->id
;
2675 new_hotkey
->flags
= req
->flags
;
2676 new_hotkey
->vkey
= req
->vkey
;
2679 release_object( desktop
);
2682 DECL_HANDLER(unregister_hotkey
)
2684 struct desktop
*desktop
;
2685 user_handle_t win_handle
= req
->window
;
2686 struct hotkey
*hotkey
;
2687 struct thread
*thread
;
2689 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2693 if (!get_user_object_handle( &win_handle
, USER_WINDOW
))
2695 release_object( desktop
);
2696 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2700 thread
= get_window_thread( win_handle
);
2701 if (thread
) release_object( thread
);
2703 if (thread
!= current
)
2705 release_object( desktop
);
2706 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
2711 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
2713 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
2717 release_object( desktop
);
2718 set_win32_error( ERROR_HOTKEY_NOT_REGISTERED
);
2722 reply
->flags
= hotkey
->flags
;
2723 reply
->vkey
= hotkey
->vkey
;
2724 list_remove( &hotkey
->entry
);
2726 release_object( desktop
);
2729 /* attach (or detach) thread inputs */
2730 DECL_HANDLER(attach_thread_input
)
2732 struct thread
*thread_from
= get_thread_from_id( req
->tid_from
);
2733 struct thread
*thread_to
= get_thread_from_id( req
->tid_to
);
2735 if (!thread_from
|| !thread_to
)
2737 if (thread_from
) release_object( thread_from
);
2738 if (thread_to
) release_object( thread_to
);
2741 if (thread_from
!= thread_to
)
2743 if (req
->attach
) attach_thread_input( thread_from
, thread_to
);
2746 if (thread_from
->queue
&& thread_to
->queue
&&
2747 thread_from
->queue
->input
== thread_to
->queue
->input
)
2748 detach_thread_input( thread_from
);
2750 set_error( STATUS_ACCESS_DENIED
);
2753 else set_error( STATUS_ACCESS_DENIED
);
2754 release_object( thread_from
);
2755 release_object( thread_to
);
2759 /* get thread input data */
2760 DECL_HANDLER(get_thread_input
)
2762 struct thread
*thread
= NULL
;
2763 struct desktop
*desktop
;
2764 struct thread_input
*input
;
2768 if (!(thread
= get_thread_from_id( req
->tid
))) return;
2769 if (!(desktop
= get_thread_desktop( thread
, 0 )))
2771 release_object( thread
);
2774 input
= thread
->queue
? thread
->queue
->input
: NULL
;
2778 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2779 input
= desktop
->foreground_input
; /* get the foreground thread info */
2784 reply
->focus
= input
->focus
;
2785 reply
->capture
= input
->capture
;
2786 reply
->active
= input
->active
;
2787 reply
->menu_owner
= input
->menu_owner
;
2788 reply
->move_size
= input
->move_size
;
2789 reply
->caret
= input
->caret
;
2790 reply
->cursor
= input
->cursor
;
2791 reply
->show_count
= input
->cursor_count
;
2792 reply
->rect
= input
->caret_rect
;
2795 /* foreground window is active window of foreground thread */
2796 reply
->foreground
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
2797 if (thread
) release_object( thread
);
2798 release_object( desktop
);
2802 /* retrieve queue keyboard state for a given thread */
2803 DECL_HANDLER(get_key_state
)
2805 struct thread
*thread
;
2806 struct desktop
*desktop
;
2807 data_size_t size
= min( 256, get_reply_max_size() );
2809 if (!req
->tid
) /* get global async key state */
2811 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2814 reply
->state
= desktop
->keystate
[req
->key
& 0xff];
2815 desktop
->keystate
[req
->key
& 0xff] &= ~0x40;
2817 set_reply_data( desktop
->keystate
, size
);
2818 release_object( desktop
);
2822 if (!(thread
= get_thread_from_id( req
->tid
))) return;
2825 if (req
->key
>= 0) reply
->state
= thread
->queue
->input
->keystate
[req
->key
& 0xff];
2826 set_reply_data( thread
->queue
->input
->keystate
, size
);
2828 release_object( thread
);
2833 /* set queue keyboard state for a given thread */
2834 DECL_HANDLER(set_key_state
)
2836 struct thread
*thread
;
2837 struct desktop
*desktop
;
2838 data_size_t size
= min( 256, get_req_data_size() );
2840 if (!req
->tid
) /* set global async key state */
2842 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2843 memcpy( desktop
->keystate
, get_req_data(), size
);
2844 release_object( desktop
);
2848 if (!(thread
= get_thread_from_id( req
->tid
))) return;
2849 if (thread
->queue
) memcpy( thread
->queue
->input
->keystate
, get_req_data(), size
);
2850 if (req
->async
&& (desktop
= get_thread_desktop( thread
, 0 )))
2852 memcpy( desktop
->keystate
, get_req_data(), size
);
2853 release_object( desktop
);
2855 release_object( thread
);
2860 /* set the system foreground window */
2861 DECL_HANDLER(set_foreground_window
)
2863 struct thread
*thread
= NULL
;
2864 struct desktop
*desktop
;
2865 struct msg_queue
*queue
= get_current_queue();
2867 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2868 reply
->previous
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
2869 reply
->send_msg_old
= (reply
->previous
&& desktop
->foreground_input
!= queue
->input
);
2870 reply
->send_msg_new
= FALSE
;
2872 if (is_valid_foreground_window( req
->handle
) &&
2873 (thread
= get_window_thread( req
->handle
)) &&
2874 thread
->queue
->input
->desktop
== desktop
)
2876 set_foreground_input( desktop
, thread
->queue
->input
);
2877 reply
->send_msg_new
= (desktop
->foreground_input
!= queue
->input
);
2879 else set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2881 if (thread
) release_object( thread
);
2882 release_object( desktop
);
2886 /* set the current thread focus window */
2887 DECL_HANDLER(set_focus_window
)
2889 struct msg_queue
*queue
= get_current_queue();
2891 reply
->previous
= 0;
2892 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2894 reply
->previous
= queue
->input
->focus
;
2895 queue
->input
->focus
= get_user_full_handle( req
->handle
);
2900 /* set the current thread active window */
2901 DECL_HANDLER(set_active_window
)
2903 struct msg_queue
*queue
= get_current_queue();
2905 reply
->previous
= 0;
2906 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2908 if (!req
->handle
|| make_window_active( req
->handle
))
2910 reply
->previous
= queue
->input
->active
;
2911 queue
->input
->active
= get_user_full_handle( req
->handle
);
2913 else set_error( STATUS_INVALID_HANDLE
);
2918 /* set the current thread capture window */
2919 DECL_HANDLER(set_capture_window
)
2921 struct msg_queue
*queue
= get_current_queue();
2923 reply
->previous
= reply
->full_handle
= 0;
2924 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2926 struct thread_input
*input
= queue
->input
;
2928 /* if in menu mode, reject all requests to change focus, except if the menu bit is set */
2929 if (input
->menu_owner
&& !(req
->flags
& CAPTURE_MENU
))
2931 set_error(STATUS_ACCESS_DENIED
);
2934 reply
->previous
= input
->capture
;
2935 input
->capture
= get_user_full_handle( req
->handle
);
2936 input
->menu_owner
= (req
->flags
& CAPTURE_MENU
) ? input
->capture
: 0;
2937 input
->move_size
= (req
->flags
& CAPTURE_MOVESIZE
) ? input
->capture
: 0;
2938 reply
->full_handle
= input
->capture
;
2943 /* Set the current thread caret window */
2944 DECL_HANDLER(set_caret_window
)
2946 struct msg_queue
*queue
= get_current_queue();
2948 reply
->previous
= 0;
2949 if (queue
&& check_queue_input_window( queue
, req
->handle
))
2951 struct thread_input
*input
= queue
->input
;
2953 reply
->previous
= input
->caret
;
2954 reply
->old_rect
= input
->caret_rect
;
2955 reply
->old_hide
= input
->caret_hide
;
2956 reply
->old_state
= input
->caret_state
;
2958 set_caret_window( input
, get_user_full_handle(req
->handle
) );
2959 input
->caret_rect
.right
= input
->caret_rect
.left
+ req
->width
;
2960 input
->caret_rect
.bottom
= input
->caret_rect
.top
+ req
->height
;
2965 /* Set the current thread caret information */
2966 DECL_HANDLER(set_caret_info
)
2968 struct msg_queue
*queue
= get_current_queue();
2969 struct thread_input
*input
;
2972 input
= queue
->input
;
2973 reply
->full_handle
= input
->caret
;
2974 reply
->old_rect
= input
->caret_rect
;
2975 reply
->old_hide
= input
->caret_hide
;
2976 reply
->old_state
= input
->caret_state
;
2978 if (req
->handle
&& get_user_full_handle(req
->handle
) != input
->caret
)
2980 set_error( STATUS_ACCESS_DENIED
);
2983 if (req
->flags
& SET_CARET_POS
)
2985 input
->caret_rect
.right
+= req
->x
- input
->caret_rect
.left
;
2986 input
->caret_rect
.bottom
+= req
->y
- input
->caret_rect
.top
;
2987 input
->caret_rect
.left
= req
->x
;
2988 input
->caret_rect
.top
= req
->y
;
2990 if (req
->flags
& SET_CARET_HIDE
)
2992 input
->caret_hide
+= req
->hide
;
2993 if (input
->caret_hide
< 0) input
->caret_hide
= 0;
2995 if (req
->flags
& SET_CARET_STATE
)
2997 if (req
->state
== -1) input
->caret_state
= !input
->caret_state
;
2998 else input
->caret_state
= !!req
->state
;
3003 /* get the time of the last input event */
3004 DECL_HANDLER(get_last_input_time
)
3006 reply
->time
= last_input_time
;
3009 /* set/get the current cursor */
3010 DECL_HANDLER(set_cursor
)
3012 struct msg_queue
*queue
= get_current_queue();
3013 struct thread_input
*input
;
3016 input
= queue
->input
;
3018 reply
->prev_handle
= input
->cursor
;
3019 reply
->prev_count
= input
->cursor_count
;
3020 reply
->prev_x
= input
->desktop
->cursor
.x
;
3021 reply
->prev_y
= input
->desktop
->cursor
.y
;
3023 if (req
->flags
& SET_CURSOR_HANDLE
)
3025 if (req
->handle
&& !get_user_object( req
->handle
, USER_CLIENT
))
3027 set_win32_error( ERROR_INVALID_CURSOR_HANDLE
);
3030 input
->cursor
= req
->handle
;
3032 if (req
->flags
& SET_CURSOR_COUNT
)
3034 queue
->cursor_count
+= req
->show_count
;
3035 input
->cursor_count
+= req
->show_count
;
3037 if (req
->flags
& SET_CURSOR_POS
)
3039 set_cursor_pos( input
->desktop
, req
->x
, req
->y
);
3041 if (req
->flags
& (SET_CURSOR_CLIP
| SET_CURSOR_NOCLIP
))
3043 struct desktop
*desktop
= input
->desktop
;
3045 /* only the desktop owner can set the message */
3046 if (req
->clip_msg
&& get_top_window_owner(desktop
) == current
->process
)
3047 desktop
->cursor
.clip_msg
= req
->clip_msg
;
3049 set_clip_rectangle( desktop
, (req
->flags
& SET_CURSOR_NOCLIP
) ? NULL
: &req
->clip
);
3052 reply
->new_x
= input
->desktop
->cursor
.x
;
3053 reply
->new_y
= input
->desktop
->cursor
.y
;
3054 reply
->new_clip
= input
->desktop
->cursor
.clip
;
3055 reply
->last_change
= input
->desktop
->cursor
.last_change
;
3058 DECL_HANDLER(update_rawinput_devices
)
3060 const struct rawinput_device
*devices
= get_req_data();
3061 unsigned int device_count
= get_req_data_size() / sizeof (*devices
);
3062 const struct rawinput_device_entry
*e
;
3065 for (i
= 0; i
< device_count
; ++i
)
3067 update_rawinput_device(&devices
[i
]);
3070 e
= find_rawinput_device( 1, 2 );
3071 current
->process
->rawinput_mouse
= e
? &e
->device
: NULL
;
3072 e
= find_rawinput_device( 1, 6 );
3073 current
->process
->rawinput_kbd
= e
? &e
->device
: NULL
;