2 * Server-side message queues
4 * Copyright (C) 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
31 #define WIN32_NO_STATUS
46 #define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
47 #define WM_NCMOUSELAST (WM_NCMOUSEFIRST+(WM_MOUSELAST-WM_MOUSEFIRST))
49 enum message_kind
{ SEND_MESSAGE
, POST_MESSAGE
};
50 #define NB_MSG_KINDS (POST_MESSAGE+1)
55 struct list sender_entry
; /* entry in sender list */
56 struct message
*msg
; /* message the result is for */
57 struct message_result
*recv_next
; /* next in receiver list */
58 struct msg_queue
*sender
; /* sender queue */
59 struct msg_queue
*receiver
; /* receiver queue */
60 int replied
; /* has it been replied to? */
61 unsigned int error
; /* error code to pass back to sender */
62 lparam_t result
; /* reply result */
63 struct message
*hardware_msg
; /* hardware message if low-level hook result */
64 struct desktop
*desktop
; /* desktop for hardware message */
65 struct message
*callback_msg
; /* message to queue for callback */
66 void *data
; /* message reply data */
67 unsigned int data_size
; /* size of message reply data */
68 struct timeout_user
*timeout
; /* result timeout */
73 struct list entry
; /* entry in message list */
74 enum message_type type
; /* message type */
75 user_handle_t win
; /* window handle */
76 unsigned int msg
; /* message code */
77 lparam_t wparam
; /* parameters */
78 lparam_t lparam
; /* parameters */
79 int x
; /* message position */
81 unsigned int time
; /* message time */
82 void *data
; /* message data for sent messages */
83 unsigned int data_size
; /* size of message data */
84 unsigned int unique_id
; /* unique id for nested hw message waits */
85 struct message_result
*result
; /* result in sender queue */
90 struct list entry
; /* entry in timer list */
91 abstime_t when
; /* next expiration */
92 unsigned int rate
; /* timer rate in ms */
93 user_handle_t win
; /* window handle */
94 unsigned int msg
; /* message to post */
95 lparam_t id
; /* timer id */
96 lparam_t lparam
; /* lparam for message */
101 struct object obj
; /* object header */
102 struct desktop
*desktop
; /* desktop that this thread input belongs to */
103 user_handle_t focus
; /* focus window */
104 user_handle_t capture
; /* capture window */
105 user_handle_t active
; /* active window */
106 user_handle_t menu_owner
; /* current menu owner window */
107 user_handle_t move_size
; /* current moving/resizing window */
108 user_handle_t caret
; /* caret window */
109 rectangle_t caret_rect
; /* caret rectangle */
110 int caret_hide
; /* caret hide count */
111 int caret_state
; /* caret on/off state */
112 user_handle_t cursor
; /* current cursor */
113 int cursor_count
; /* cursor show count */
114 struct list msg_list
; /* list of hardware messages */
115 unsigned char keystate
[256]; /* state of each key */
116 unsigned char desktop_keystate
[256]; /* desktop keystate when keystate was synced */
117 int keystate_lock
; /* keystate is locked */
122 struct object obj
; /* object header */
123 struct fd
*fd
; /* optional file descriptor to poll */
124 unsigned int wake_bits
; /* wakeup bits */
125 unsigned int wake_mask
; /* wakeup mask */
126 unsigned int changed_bits
; /* changed wakeup bits */
127 unsigned int changed_mask
; /* changed wakeup mask */
128 int paint_count
; /* pending paint messages count */
129 int hotkey_count
; /* pending hotkey messages count */
130 int quit_message
; /* is there a pending quit message? */
131 int exit_code
; /* exit code of pending quit message */
132 int cursor_count
; /* per-queue cursor show count */
133 struct list msg_list
[NB_MSG_KINDS
]; /* lists of messages */
134 struct list send_result
; /* stack of sent messages waiting for result */
135 struct list callback_result
; /* list of callback messages waiting for result */
136 struct message_result
*recv_result
; /* stack of received messages waiting for result */
137 struct list pending_timers
; /* list of pending timers */
138 struct list expired_timers
; /* list of expired timers */
139 lparam_t next_timer_id
; /* id for the next timer with a 0 window */
140 struct timeout_user
*timeout
; /* timeout for next timer to expire */
141 struct thread_input
*input
; /* thread input descriptor */
142 struct hook_table
*hooks
; /* hook table */
143 timeout_t last_get_msg
; /* time of last get message call */
144 int keystate_lock
; /* owns an input keystate lock */
149 struct list entry
; /* entry in desktop hotkey list */
150 struct msg_queue
*queue
; /* queue owning this hotkey */
151 user_handle_t win
; /* window handle */
152 int id
; /* hotkey id */
153 unsigned int vkey
; /* virtual key code */
154 unsigned int flags
; /* key modifiers */
157 static void msg_queue_dump( struct object
*obj
, int verbose
);
158 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
159 static void msg_queue_remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
160 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
161 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
);
162 static void msg_queue_destroy( struct object
*obj
);
163 static void msg_queue_poll_event( struct fd
*fd
, int event
);
164 static void thread_input_dump( struct object
*obj
, int verbose
);
165 static void thread_input_destroy( struct object
*obj
);
166 static void timer_callback( void *private );
168 static const struct object_ops msg_queue_ops
=
170 sizeof(struct msg_queue
), /* size */
172 msg_queue_dump
, /* dump */
173 msg_queue_add_queue
, /* add_queue */
174 msg_queue_remove_queue
, /* remove_queue */
175 msg_queue_signaled
, /* signaled */
176 msg_queue_satisfied
, /* satisfied */
177 no_signal
, /* signal */
178 no_get_fd
, /* get_fd */
179 default_map_access
, /* map_access */
180 default_get_sd
, /* get_sd */
181 default_set_sd
, /* set_sd */
182 no_get_full_name
, /* get_full_name */
183 no_lookup_name
, /* lookup_name */
184 no_link_name
, /* link_name */
185 NULL
, /* unlink_name */
186 no_open_file
, /* open_file */
187 no_kernel_obj_list
, /* get_kernel_obj_list */
188 no_close_handle
, /* close_handle */
189 msg_queue_destroy
/* destroy */
192 static const struct fd_ops msg_queue_fd_ops
=
194 NULL
, /* get_poll_events */
195 msg_queue_poll_event
, /* poll_event */
197 NULL
, /* get_fd_type */
199 NULL
, /* queue_async */
200 NULL
, /* reselect_async */
201 NULL
/* cancel async */
205 static const struct object_ops thread_input_ops
=
207 sizeof(struct thread_input
), /* size */
209 thread_input_dump
, /* dump */
210 no_add_queue
, /* add_queue */
211 NULL
, /* remove_queue */
213 NULL
, /* satisfied */
214 no_signal
, /* signal */
215 no_get_fd
, /* get_fd */
216 default_map_access
, /* map_access */
217 default_get_sd
, /* get_sd */
218 default_set_sd
, /* set_sd */
219 no_get_full_name
, /* get_full_name */
220 no_lookup_name
, /* lookup_name */
221 no_link_name
, /* link_name */
222 NULL
, /* unlink_name */
223 no_open_file
, /* open_file */
224 no_kernel_obj_list
, /* get_kernel_obj_list */
225 no_close_handle
, /* close_handle */
226 thread_input_destroy
/* destroy */
229 /* pointer to input structure of foreground thread */
230 static unsigned int last_input_time
;
232 static cursor_pos_t cursor_history
[64];
233 static unsigned int cursor_history_latest
;
235 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
);
236 static void free_message( struct message
*msg
);
238 /* set the caret window in a given thread input */
239 static void set_caret_window( struct thread_input
*input
, user_handle_t win
)
241 if (!win
|| win
!= input
->caret
)
243 input
->caret_rect
.left
= 0;
244 input
->caret_rect
.top
= 0;
245 input
->caret_rect
.right
= 0;
246 input
->caret_rect
.bottom
= 0;
249 input
->caret_hide
= 1;
250 input
->caret_state
= 0;
253 /* create a thread input object */
254 static struct thread_input
*create_thread_input( struct thread
*thread
)
256 struct thread_input
*input
;
258 if ((input
= alloc_object( &thread_input_ops
)))
263 input
->menu_owner
= 0;
264 input
->move_size
= 0;
266 input
->cursor_count
= 0;
267 list_init( &input
->msg_list
);
268 set_caret_window( input
, 0 );
269 memset( input
->keystate
, 0, sizeof(input
->keystate
) );
270 input
->keystate_lock
= 0;
272 if (!(input
->desktop
= get_thread_desktop( thread
, 0 /* FIXME: access rights */ )))
274 release_object( input
);
277 memcpy( input
->desktop_keystate
, input
->desktop
->keystate
, sizeof(input
->desktop_keystate
) );
282 /* create a message queue object */
283 static struct msg_queue
*create_msg_queue( struct thread
*thread
, struct thread_input
*input
)
285 struct thread_input
*new_input
= NULL
;
286 struct msg_queue
*queue
;
291 if (!(new_input
= create_thread_input( thread
))) return NULL
;
295 if ((queue
= alloc_object( &msg_queue_ops
)))
298 queue
->wake_bits
= 0;
299 queue
->wake_mask
= 0;
300 queue
->changed_bits
= 0;
301 queue
->changed_mask
= 0;
302 queue
->paint_count
= 0;
303 queue
->hotkey_count
= 0;
304 queue
->quit_message
= 0;
305 queue
->cursor_count
= 0;
306 queue
->recv_result
= NULL
;
307 queue
->next_timer_id
= 0x7fff;
308 queue
->timeout
= NULL
;
309 queue
->input
= (struct thread_input
*)grab_object( input
);
311 queue
->last_get_msg
= current_time
;
312 queue
->keystate_lock
= 0;
313 list_init( &queue
->send_result
);
314 list_init( &queue
->callback_result
);
315 list_init( &queue
->pending_timers
);
316 list_init( &queue
->expired_timers
);
317 for (i
= 0; i
< NB_MSG_KINDS
; i
++) list_init( &queue
->msg_list
[i
] );
319 thread
->queue
= queue
;
321 if (new_input
) release_object( new_input
);
325 /* free the message queue of a thread at thread exit */
326 void free_msg_queue( struct thread
*thread
)
328 remove_thread_hooks( thread
);
329 if (!thread
->queue
) return;
330 release_object( thread
->queue
);
331 thread
->queue
= NULL
;
334 /* synchronize thread input keystate with the desktop */
335 static void sync_input_keystate( struct thread_input
*input
)
338 if (!input
->desktop
|| input
->keystate_lock
) return;
339 for (i
= 0; i
< sizeof(input
->keystate
); ++i
)
341 if (input
->desktop_keystate
[i
] == input
->desktop
->keystate
[i
]) continue;
342 input
->keystate
[i
] = input
->desktop_keystate
[i
] = input
->desktop
->keystate
[i
];
346 /* locks thread input keystate to prevent synchronization */
347 static void lock_input_keystate( struct thread_input
*input
)
349 input
->keystate_lock
++;
352 /* unlock the thread input keystate and synchronize it again */
353 static void unlock_input_keystate( struct thread_input
*input
)
355 input
->keystate_lock
--;
356 if (!input
->keystate_lock
) sync_input_keystate( input
);
359 /* change the thread input data of a given thread */
360 static int assign_thread_input( struct thread
*thread
, struct thread_input
*new_input
)
362 struct msg_queue
*queue
= thread
->queue
;
366 thread
->queue
= create_msg_queue( thread
, new_input
);
367 return thread
->queue
!= NULL
;
371 queue
->input
->cursor_count
-= queue
->cursor_count
;
372 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
373 release_object( queue
->input
);
375 queue
->input
= (struct thread_input
*)grab_object( new_input
);
376 if (queue
->keystate_lock
) lock_input_keystate( queue
->input
);
377 new_input
->cursor_count
+= queue
->cursor_count
;
381 /* allocate a hardware message and its data */
382 static struct message
*alloc_hardware_message( lparam_t info
, struct hw_msg_source source
,
383 unsigned int time
, data_size_t extra_size
)
385 struct hardware_msg_data
*msg_data
;
388 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return NULL
;
389 if (!(msg_data
= mem_alloc( sizeof(*msg_data
) + extra_size
)))
394 memset( msg
, 0, sizeof(*msg
) );
395 msg
->type
= MSG_HARDWARE
;
397 msg
->data
= msg_data
;
398 msg
->data_size
= sizeof(*msg_data
) + extra_size
;
400 memset( msg_data
, 0, sizeof(*msg_data
) + extra_size
);
401 msg_data
->info
= info
;
402 msg_data
->size
= msg
->data_size
;
403 msg_data
->source
= source
;
407 static int is_cursor_clipped( struct desktop
*desktop
)
409 rectangle_t top_rect
, clip_rect
= desktop
->cursor
.clip
;
410 get_top_window_rectangle( desktop
, &top_rect
);
411 return !is_rect_equal( &clip_rect
, &top_rect
);
414 static void queue_cursor_message( struct desktop
*desktop
, user_handle_t win
, unsigned int message
,
415 lparam_t wparam
, lparam_t lparam
)
417 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
418 struct thread_input
*input
;
421 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
424 msg
->wparam
= wparam
;
425 msg
->lparam
= lparam
;
426 msg
->x
= desktop
->cursor
.x
;
427 msg
->y
= desktop
->cursor
.y
;
428 if (!(msg
->win
= win
) && (input
= desktop
->foreground_input
)) msg
->win
= input
->active
;
429 queue_hardware_message( desktop
, msg
, 1 );
432 static struct thread_input
*get_desktop_cursor_thread_input( struct desktop
*desktop
)
434 struct thread_input
*input
= NULL
;
435 struct thread
*thread
;
437 if ((thread
= get_window_thread( desktop
->cursor
.win
)))
439 if (thread
->queue
) input
= thread
->queue
->input
;
440 release_object( thread
);
446 static int update_desktop_cursor_window( struct desktop
*desktop
, user_handle_t win
)
448 int updated
= win
!= desktop
->cursor
.win
;
449 struct thread_input
*input
;
450 desktop
->cursor
.win
= win
;
452 if (updated
&& (input
= get_desktop_cursor_thread_input( desktop
)))
454 user_handle_t handle
= input
->cursor_count
< 0 ? 0 : input
->cursor
;
455 /* when clipping send the message to the foreground window as well, as some driver have an artificial overlay window */
456 if (is_cursor_clipped( desktop
)) queue_cursor_message( desktop
, 0, WM_WINE_SETCURSOR
, win
, handle
);
457 queue_cursor_message( desktop
, win
, WM_WINE_SETCURSOR
, win
, handle
);
463 static int update_desktop_cursor_pos( struct desktop
*desktop
, user_handle_t win
, int x
, int y
)
467 x
= max( min( x
, desktop
->cursor
.clip
.right
- 1 ), desktop
->cursor
.clip
.left
);
468 y
= max( min( y
, desktop
->cursor
.clip
.bottom
- 1 ), desktop
->cursor
.clip
.top
);
469 updated
= (desktop
->cursor
.x
!= x
|| desktop
->cursor
.y
!= y
);
470 desktop
->cursor
.x
= x
;
471 desktop
->cursor
.y
= y
;
472 desktop
->cursor
.last_change
= get_tick_count();
474 if (!win
|| !is_window_visible( win
) || is_window_transparent( win
))
475 win
= shallow_window_from_point( desktop
, x
, y
);
476 if (update_desktop_cursor_window( desktop
, win
)) updated
= 1;
481 static void update_desktop_cursor_handle( struct desktop
*desktop
, struct thread_input
*input
)
483 if (input
== get_desktop_cursor_thread_input( desktop
))
485 user_handle_t handle
= input
->cursor_count
< 0 ? 0 : input
->cursor
, win
= desktop
->cursor
.win
;
486 /* when clipping send the message to the foreground window as well, as some driver have an artificial overlay window */
487 if (is_cursor_clipped( desktop
)) queue_cursor_message( desktop
, 0, WM_WINE_SETCURSOR
, win
, handle
);
488 queue_cursor_message( desktop
, win
, WM_WINE_SETCURSOR
, win
, handle
);
492 /* set the cursor position and queue the corresponding mouse message */
493 static void set_cursor_pos( struct desktop
*desktop
, int x
, int y
)
495 static const struct hw_msg_source source
= { IMDT_UNAVAILABLE
, IMO_SYSTEM
};
496 const struct rawinput_device
*device
;
499 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
501 update_desktop_cursor_pos( desktop
, 0, x
, y
);
505 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
507 msg
->msg
= WM_MOUSEMOVE
;
510 queue_hardware_message( desktop
, msg
, 1 );
513 /* retrieve default position and time for synthesized messages */
514 static void get_message_defaults( struct msg_queue
*queue
, int *x
, int *y
, unsigned int *time
)
516 struct desktop
*desktop
= queue
->input
->desktop
;
518 *x
= desktop
->cursor
.x
;
519 *y
= desktop
->cursor
.y
;
520 *time
= get_tick_count();
523 /* set the cursor clip rectangle */
524 void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
, unsigned int flags
, int reset
)
526 rectangle_t top_rect
;
529 get_top_window_rectangle( desktop
, &top_rect
);
532 rectangle_t new_rect
= *rect
;
533 if (new_rect
.left
< top_rect
.left
) new_rect
.left
= top_rect
.left
;
534 if (new_rect
.right
> top_rect
.right
) new_rect
.right
= top_rect
.right
;
535 if (new_rect
.top
< top_rect
.top
) new_rect
.top
= top_rect
.top
;
536 if (new_rect
.bottom
> top_rect
.bottom
) new_rect
.bottom
= top_rect
.bottom
;
537 if (new_rect
.left
> new_rect
.right
|| new_rect
.top
> new_rect
.bottom
) new_rect
= top_rect
;
538 desktop
->cursor
.clip
= new_rect
;
540 else desktop
->cursor
.clip
= top_rect
;
542 /* warp the mouse to be inside the clip rect */
543 x
= max( min( desktop
->cursor
.x
, desktop
->cursor
.clip
.right
- 1 ), desktop
->cursor
.clip
.left
);
544 y
= max( min( desktop
->cursor
.y
, desktop
->cursor
.clip
.bottom
- 1 ), desktop
->cursor
.clip
.top
);
545 if (x
!= desktop
->cursor
.x
|| y
!= desktop
->cursor
.y
) set_cursor_pos( desktop
, x
, y
);
547 /* request clip cursor rectangle reset to the desktop thread */
548 if (reset
) post_desktop_message( desktop
, WM_WINE_CLIPCURSOR
, flags
, FALSE
);
550 /* notify foreground thread, of reset, or to apply new cursor clipping rect */
551 queue_cursor_message( desktop
, 0, WM_WINE_CLIPCURSOR
, flags
, reset
);
554 /* change the foreground input and reset the cursor clip rect */
555 static void set_foreground_input( struct desktop
*desktop
, struct thread_input
*input
)
557 if (desktop
->foreground_input
== input
) return;
558 set_clip_rectangle( desktop
, NULL
, SET_CURSOR_NOCLIP
, 1 );
559 desktop
->foreground_input
= input
;
562 /* get the hook table for a given thread */
563 struct hook_table
*get_queue_hooks( struct thread
*thread
)
565 if (!thread
->queue
) return NULL
;
566 return thread
->queue
->hooks
;
569 /* set the hook table for a given thread, allocating the queue if needed */
570 void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
)
572 struct msg_queue
*queue
= thread
->queue
;
573 if (!queue
&& !(queue
= create_msg_queue( thread
, NULL
))) return;
574 if (queue
->hooks
) release_object( queue
->hooks
);
575 queue
->hooks
= hooks
;
578 /* check the queue status */
579 static inline int is_signaled( struct msg_queue
*queue
)
581 return ((queue
->wake_bits
& queue
->wake_mask
) || (queue
->changed_bits
& queue
->changed_mask
));
584 /* set some queue bits */
585 static inline void set_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
587 if (bits
& (QS_KEY
| QS_MOUSEBUTTON
))
589 if (!queue
->keystate_lock
) lock_input_keystate( queue
->input
);
590 queue
->keystate_lock
= 1;
592 queue
->wake_bits
|= bits
;
593 queue
->changed_bits
|= bits
;
594 if (is_signaled( queue
)) wake_up( &queue
->obj
, 0 );
597 /* clear some queue bits */
598 static inline void clear_queue_bits( struct msg_queue
*queue
, unsigned int bits
)
600 queue
->wake_bits
&= ~bits
;
601 queue
->changed_bits
&= ~bits
;
602 if (!(queue
->wake_bits
& (QS_KEY
| QS_MOUSEBUTTON
)))
604 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
605 queue
->keystate_lock
= 0;
609 /* check if message is matched by the filter */
610 static inline int check_msg_filter( unsigned int msg
, unsigned int first
, unsigned int last
)
612 return (msg
>= first
&& msg
<= last
);
615 /* check whether a message filter contains at least one potential hardware message */
616 static inline int filter_contains_hw_range( unsigned int first
, unsigned int last
)
618 /* hardware message ranges are (in numerical order):
619 * WM_NCMOUSEFIRST .. WM_NCMOUSELAST
620 * WM_INPUT_DEVICE_CHANGE .. WM_KEYLAST
621 * WM_MOUSEFIRST .. WM_MOUSELAST
623 if (last
< WM_NCMOUSEFIRST
) return 0;
624 if (first
> WM_NCMOUSELAST
&& last
< WM_INPUT_DEVICE_CHANGE
) return 0;
625 if (first
> WM_KEYLAST
&& last
< WM_MOUSEFIRST
) return 0;
626 if (first
> WM_MOUSELAST
) return 0;
630 /* get the QS_* bit corresponding to a given hardware message */
631 static inline int get_hardware_msg_bit( unsigned int message
)
633 if (message
== WM_INPUT_DEVICE_CHANGE
|| message
== WM_INPUT
) return QS_RAWINPUT
;
634 if (message
== WM_MOUSEMOVE
|| message
== WM_NCMOUSEMOVE
) return QS_MOUSEMOVE
;
635 if (message
>= WM_KEYFIRST
&& message
<= WM_KEYLAST
) return QS_KEY
;
636 if (message
== WM_WINE_CLIPCURSOR
) return QS_RAWINPUT
;
637 if (message
== WM_WINE_SETCURSOR
) return QS_RAWINPUT
;
638 return QS_MOUSEBUTTON
;
641 /* get the current thread queue, creating it if needed */
642 static inline struct msg_queue
*get_current_queue(void)
644 struct msg_queue
*queue
= current
->queue
;
645 if (!queue
) queue
= create_msg_queue( current
, NULL
);
649 /* get a (pseudo-)unique id to tag hardware messages */
650 static inline unsigned int get_unique_id(void)
652 static unsigned int id
;
653 if (!++id
) id
= 1; /* avoid an id of 0 */
657 /* try to merge a WM_MOUSEMOVE message with the last in the list; return 1 if successful */
658 static int merge_mousemove( struct thread_input
*input
, const struct message
*msg
)
660 struct message
*prev
;
663 for (ptr
= list_tail( &input
->msg_list
); ptr
; ptr
= list_prev( &input
->msg_list
, ptr
))
665 prev
= LIST_ENTRY( ptr
, struct message
, entry
);
666 if (prev
->msg
!= WM_INPUT
) break;
669 if (prev
->result
) return 0;
670 if (prev
->win
&& msg
->win
&& prev
->win
!= msg
->win
) return 0;
671 if (prev
->msg
!= msg
->msg
) return 0;
672 if (prev
->type
!= msg
->type
) return 0;
673 /* now we can merge it */
674 prev
->wparam
= msg
->wparam
;
675 prev
->lparam
= msg
->lparam
;
678 prev
->time
= msg
->time
;
679 if (msg
->type
== MSG_HARDWARE
&& prev
->data
&& msg
->data
)
681 struct hardware_msg_data
*prev_data
= prev
->data
;
682 struct hardware_msg_data
*msg_data
= msg
->data
;
683 prev_data
->info
= msg_data
->info
;
686 list_add_tail( &input
->msg_list
, ptr
);
690 /* try to merge a unique message with the last in the list; return 1 if successful */
691 static int merge_unique_message( struct thread_input
*input
, unsigned int message
, const struct message
*msg
)
693 struct message
*prev
;
695 LIST_FOR_EACH_ENTRY_REV( prev
, &input
->msg_list
, struct message
, entry
)
696 if (prev
->msg
== message
) break;
697 if (&prev
->entry
== &input
->msg_list
) return 0;
699 if (prev
->result
) return 0;
700 if (prev
->win
!= msg
->win
) return 0;
701 if (prev
->type
!= msg
->type
) return 0;
703 /* now we can merge it */
704 prev
->wparam
= msg
->wparam
;
705 prev
->lparam
= msg
->lparam
;
708 prev
->time
= msg
->time
;
709 list_remove( &prev
->entry
);
710 list_add_tail( &input
->msg_list
, &prev
->entry
);
715 /* try to merge a message with the messages in the list; return 1 if successful */
716 static int merge_message( struct thread_input
*input
, const struct message
*msg
)
718 if (msg
->msg
== WM_MOUSEMOVE
) return merge_mousemove( input
, msg
);
719 if (msg
->msg
== WM_WINE_CLIPCURSOR
) return merge_unique_message( input
, WM_WINE_CLIPCURSOR
, msg
);
720 if (msg
->msg
== WM_WINE_SETCURSOR
) return merge_unique_message( input
, WM_WINE_SETCURSOR
, msg
);
724 /* free a result structure */
725 static void free_result( struct message_result
*result
)
727 if (result
->timeout
) remove_timeout_user( result
->timeout
);
728 free( result
->data
);
729 if (result
->callback_msg
) free_message( result
->callback_msg
);
730 if (result
->hardware_msg
) free_message( result
->hardware_msg
);
731 if (result
->desktop
) release_object( result
->desktop
);
735 /* remove the result from the sender list it is on */
736 static inline void remove_result_from_sender( struct message_result
*result
)
738 assert( result
->sender
);
740 list_remove( &result
->sender_entry
);
741 result
->sender
= NULL
;
742 if (!result
->receiver
) free_result( result
);
745 /* store the message result in the appropriate structure */
746 static void store_message_result( struct message_result
*res
, lparam_t result
, unsigned int error
)
748 res
->result
= result
;
753 remove_timeout_user( res
->timeout
);
757 if (res
->hardware_msg
)
759 if (!error
&& result
) /* rejected by the hook */
760 free_message( res
->hardware_msg
);
762 queue_hardware_message( res
->desktop
, res
->hardware_msg
, 0 );
764 res
->hardware_msg
= NULL
;
769 if (res
->callback_msg
)
771 /* queue the callback message in the sender queue */
772 struct callback_msg_data
*data
= res
->callback_msg
->data
;
773 data
->result
= result
;
774 list_add_tail( &res
->sender
->msg_list
[SEND_MESSAGE
], &res
->callback_msg
->entry
);
775 set_queue_bits( res
->sender
, QS_SENDMESSAGE
);
776 res
->callback_msg
= NULL
;
777 remove_result_from_sender( res
);
781 /* wake sender queue if waiting on this result */
782 if (list_head(&res
->sender
->send_result
) == &res
->sender_entry
)
783 set_queue_bits( res
->sender
, QS_SMRESULT
);
786 else if (!res
->receiver
) free_result( res
);
789 /* free a message when deleting a queue or window */
790 static void free_message( struct message
*msg
)
792 struct message_result
*result
= msg
->result
;
796 result
->receiver
= NULL
;
797 store_message_result( result
, 0, STATUS_ACCESS_DENIED
/*FIXME*/ );
803 /* remove (and free) a message from a message list */
804 static void remove_queue_message( struct msg_queue
*queue
, struct message
*msg
,
805 enum message_kind kind
)
807 list_remove( &msg
->entry
);
811 if (list_empty( &queue
->msg_list
[kind
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
814 if (list_empty( &queue
->msg_list
[kind
] ) && !queue
->quit_message
)
815 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
816 if (msg
->msg
== WM_HOTKEY
&& --queue
->hotkey_count
== 0)
817 clear_queue_bits( queue
, QS_HOTKEY
);
823 /* message timed out without getting a reply */
824 static void result_timeout( void *private )
826 struct message_result
*result
= private;
828 assert( !result
->replied
);
830 result
->timeout
= NULL
;
832 if (result
->msg
) /* not received yet */
834 struct message
*msg
= result
->msg
;
838 remove_queue_message( result
->receiver
, msg
, SEND_MESSAGE
);
839 result
->receiver
= NULL
;
841 store_message_result( result
, 0, STATUS_TIMEOUT
);
844 /* allocate and fill a message result structure */
845 static struct message_result
*alloc_message_result( struct msg_queue
*send_queue
,
846 struct msg_queue
*recv_queue
,
847 struct message
*msg
, timeout_t timeout
)
849 struct message_result
*result
= mem_alloc( sizeof(*result
) );
853 result
->sender
= send_queue
;
854 result
->receiver
= recv_queue
;
857 result
->data_size
= 0;
858 result
->timeout
= NULL
;
859 result
->hardware_msg
= NULL
;
860 result
->desktop
= NULL
;
861 result
->callback_msg
= NULL
;
863 if (msg
->type
== MSG_CALLBACK
)
865 struct message
*callback_msg
= mem_alloc( sizeof(*callback_msg
) );
872 callback_msg
->type
= MSG_CALLBACK_RESULT
;
873 callback_msg
->win
= msg
->win
;
874 callback_msg
->msg
= msg
->msg
;
875 callback_msg
->wparam
= 0;
876 callback_msg
->lparam
= 0;
877 callback_msg
->time
= get_tick_count();
878 callback_msg
->result
= NULL
;
879 /* steal the data from the original message */
880 callback_msg
->data
= msg
->data
;
881 callback_msg
->data_size
= msg
->data_size
;
885 result
->callback_msg
= callback_msg
;
886 list_add_head( &send_queue
->callback_result
, &result
->sender_entry
);
890 list_add_head( &send_queue
->send_result
, &result
->sender_entry
);
891 clear_queue_bits( send_queue
, QS_SMRESULT
);
894 if (timeout
!= TIMEOUT_INFINITE
)
895 result
->timeout
= add_timeout_user( timeout
, result_timeout
, result
);
900 /* receive a message, removing it from the sent queue */
901 static void receive_message( struct msg_queue
*queue
, struct message
*msg
,
902 struct get_message_reply
*reply
)
904 struct message_result
*result
= msg
->result
;
906 reply
->total
= msg
->data_size
;
907 if (msg
->data_size
> get_reply_max_size())
909 set_error( STATUS_BUFFER_OVERFLOW
);
912 reply
->type
= msg
->type
;
913 reply
->win
= msg
->win
;
914 reply
->msg
= msg
->msg
;
915 reply
->wparam
= msg
->wparam
;
916 reply
->lparam
= msg
->lparam
;
919 reply
->time
= msg
->time
;
921 if (msg
->data
) set_reply_data_ptr( msg
->data
, msg
->data_size
);
923 list_remove( &msg
->entry
);
924 /* put the result on the receiver result stack */
928 result
->recv_next
= queue
->recv_result
;
929 queue
->recv_result
= result
;
932 if (list_empty( &queue
->msg_list
[SEND_MESSAGE
] )) clear_queue_bits( queue
, QS_SENDMESSAGE
);
935 /* set the result of the current received message */
936 static void reply_message( struct msg_queue
*queue
, lparam_t result
,
937 unsigned int error
, int remove
, const void *data
, data_size_t len
)
939 struct message_result
*res
= queue
->recv_result
;
943 queue
->recv_result
= res
->recv_next
;
944 res
->receiver
= NULL
;
945 if (!res
->sender
&& !res
->hardware_msg
) /* no one waiting for it */
953 if (len
&& (res
->data
= memdup( data
, len
))) res
->data_size
= len
;
954 store_message_result( res
, result
, error
);
958 static int match_window( user_handle_t win
, user_handle_t msg_win
)
961 if (win
== -1 || win
== 1) return !msg_win
;
962 if (msg_win
== win
) return 1;
963 return is_child_window( win
, msg_win
);
966 /* retrieve a posted message */
967 static int get_posted_message( struct msg_queue
*queue
, user_handle_t win
,
968 unsigned int first
, unsigned int last
, unsigned int flags
,
969 struct get_message_reply
*reply
)
973 /* check against the filters */
974 LIST_FOR_EACH_ENTRY( msg
, &queue
->msg_list
[POST_MESSAGE
], struct message
, entry
)
976 if (!match_window( win
, msg
->win
)) continue;
977 if (!check_msg_filter( msg
->msg
, first
, last
)) continue;
978 goto found
; /* found one */
982 /* return it to the app */
984 reply
->total
= msg
->data_size
;
985 if (msg
->data_size
> get_reply_max_size())
987 set_error( STATUS_BUFFER_OVERFLOW
);
990 reply
->type
= msg
->type
;
991 reply
->win
= msg
->win
;
992 reply
->msg
= msg
->msg
;
993 reply
->wparam
= msg
->wparam
;
994 reply
->lparam
= msg
->lparam
;
997 reply
->time
= msg
->time
;
999 if (flags
& PM_REMOVE
)
1003 set_reply_data_ptr( msg
->data
, msg
->data_size
);
1007 remove_queue_message( queue
, msg
, POST_MESSAGE
);
1009 else if (msg
->data
) set_reply_data( msg
->data
, msg
->data_size
);
1014 static int get_quit_message( struct msg_queue
*queue
, unsigned int flags
,
1015 struct get_message_reply
*reply
)
1017 if (queue
->quit_message
)
1020 reply
->type
= MSG_POSTED
;
1022 reply
->msg
= WM_QUIT
;
1023 reply
->wparam
= queue
->exit_code
;
1026 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
1028 if (flags
& PM_REMOVE
)
1030 queue
->quit_message
= 0;
1031 if (list_empty( &queue
->msg_list
[POST_MESSAGE
] ))
1032 clear_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
1040 /* empty a message list and free all the messages */
1041 static void empty_msg_list( struct list
*list
)
1045 while ((ptr
= list_head( list
)) != NULL
)
1047 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
1048 list_remove( &msg
->entry
);
1049 free_message( msg
);
1053 /* cleanup all pending results when deleting a queue */
1054 static void cleanup_results( struct msg_queue
*queue
)
1058 while ((entry
= list_head( &queue
->send_result
)) != NULL
)
1060 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
1063 while ((entry
= list_head( &queue
->callback_result
)) != NULL
)
1065 remove_result_from_sender( LIST_ENTRY( entry
, struct message_result
, sender_entry
) );
1068 while (queue
->recv_result
)
1069 reply_message( queue
, 0, STATUS_ACCESS_DENIED
/*FIXME*/, 1, NULL
, 0 );
1072 /* check if the thread owning the queue is hung (not checking for messages) */
1073 static int is_queue_hung( struct msg_queue
*queue
)
1075 struct wait_queue_entry
*entry
;
1077 if (current_time
- queue
->last_get_msg
<= 5 * TICKS_PER_SEC
)
1078 return 0; /* less than 5 seconds since last get message -> not hung */
1080 LIST_FOR_EACH_ENTRY( entry
, &queue
->obj
.wait_queue
, struct wait_queue_entry
, entry
)
1082 if (get_wait_queue_thread(entry
)->queue
== queue
)
1083 return 0; /* thread is waiting on queue -> not hung */
1088 static int msg_queue_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
)
1090 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1091 struct process
*process
= get_wait_queue_thread(entry
)->process
;
1093 /* a thread can only wait on its own queue */
1094 if (get_wait_queue_thread(entry
)->queue
!= queue
)
1096 set_error( STATUS_ACCESS_DENIED
);
1099 if (process
->idle_event
&& !(queue
->wake_mask
& QS_SMRESULT
)) set_event( process
->idle_event
);
1101 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* first on the queue */
1102 set_fd_events( queue
->fd
, POLLIN
);
1103 add_queue( obj
, entry
);
1107 static void msg_queue_remove_queue(struct object
*obj
, struct wait_queue_entry
*entry
)
1109 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1111 remove_queue( obj
, entry
);
1112 if (queue
->fd
&& list_empty( &obj
->wait_queue
)) /* last on the queue is gone */
1113 set_fd_events( queue
->fd
, 0 );
1116 static void msg_queue_dump( struct object
*obj
, int verbose
)
1118 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1119 fprintf( stderr
, "Msg queue bits=%x mask=%x\n",
1120 queue
->wake_bits
, queue
->wake_mask
);
1123 static int msg_queue_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
1125 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1130 if ((ret
= check_fd_events( queue
->fd
, POLLIN
)))
1131 /* stop waiting on select() if we are signaled */
1132 set_fd_events( queue
->fd
, 0 );
1133 else if (!list_empty( &obj
->wait_queue
))
1134 /* restart waiting on poll() if we are no longer signaled */
1135 set_fd_events( queue
->fd
, POLLIN
);
1137 return ret
|| is_signaled( queue
);
1140 static void msg_queue_satisfied( struct object
*obj
, struct wait_queue_entry
*entry
)
1142 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1143 queue
->wake_mask
= 0;
1144 queue
->changed_mask
= 0;
1147 static void msg_queue_destroy( struct object
*obj
)
1149 struct msg_queue
*queue
= (struct msg_queue
*)obj
;
1151 struct hotkey
*hotkey
, *hotkey2
;
1154 cleanup_results( queue
);
1155 for (i
= 0; i
< NB_MSG_KINDS
; i
++) empty_msg_list( &queue
->msg_list
[i
] );
1157 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &queue
->input
->desktop
->hotkeys
, struct hotkey
, entry
)
1159 if (hotkey
->queue
== queue
)
1161 list_remove( &hotkey
->entry
);
1166 while ((ptr
= list_head( &queue
->pending_timers
)))
1168 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1169 list_remove( &timer
->entry
);
1172 while ((ptr
= list_head( &queue
->expired_timers
)))
1174 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1175 list_remove( &timer
->entry
);
1178 if (queue
->timeout
) remove_timeout_user( queue
->timeout
);
1179 queue
->input
->cursor_count
-= queue
->cursor_count
;
1180 if (queue
->keystate_lock
) unlock_input_keystate( queue
->input
);
1181 release_object( queue
->input
);
1182 if (queue
->hooks
) release_object( queue
->hooks
);
1183 if (queue
->fd
) release_object( queue
->fd
);
1186 static void msg_queue_poll_event( struct fd
*fd
, int event
)
1188 struct msg_queue
*queue
= get_fd_user( fd
);
1189 assert( queue
->obj
.ops
== &msg_queue_ops
);
1191 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
1192 else set_fd_events( queue
->fd
, 0 );
1193 wake_up( &queue
->obj
, 0 );
1196 static void thread_input_dump( struct object
*obj
, int verbose
)
1198 struct thread_input
*input
= (struct thread_input
*)obj
;
1199 fprintf( stderr
, "Thread input focus=%08x capture=%08x active=%08x\n",
1200 input
->focus
, input
->capture
, input
->active
);
1203 static void thread_input_destroy( struct object
*obj
)
1205 struct thread_input
*input
= (struct thread_input
*)obj
;
1206 struct desktop
*desktop
;
1208 empty_msg_list( &input
->msg_list
);
1209 if ((desktop
= input
->desktop
))
1211 if (desktop
->foreground_input
== input
) desktop
->foreground_input
= NULL
;
1212 release_object( desktop
);
1216 /* fix the thread input data when a window is destroyed */
1217 static inline void thread_input_cleanup_window( struct msg_queue
*queue
, user_handle_t window
)
1219 struct thread_input
*input
= queue
->input
;
1221 if (window
== input
->focus
) input
->focus
= 0;
1222 if (window
== input
->capture
) input
->capture
= 0;
1223 if (window
== input
->active
) input
->active
= 0;
1224 if (window
== input
->menu_owner
) input
->menu_owner
= 0;
1225 if (window
== input
->move_size
) input
->move_size
= 0;
1226 if (window
== input
->caret
) set_caret_window( input
, 0 );
1229 /* check if the specified window can be set in the input data of a given queue */
1230 static int check_queue_input_window( struct msg_queue
*queue
, user_handle_t window
)
1232 struct thread
*thread
;
1235 if (!window
) return 1; /* we can always clear the data */
1237 if ((thread
= get_window_thread( window
)))
1239 ret
= (queue
->input
== thread
->queue
->input
);
1240 if (!ret
) set_error( STATUS_ACCESS_DENIED
);
1241 release_object( thread
);
1243 else set_error( STATUS_INVALID_HANDLE
);
1248 /* make sure the specified thread has a queue */
1249 int init_thread_queue( struct thread
*thread
)
1251 if (thread
->queue
) return 1;
1252 return (create_msg_queue( thread
, NULL
) != NULL
);
1255 /* attach two thread input data structures */
1256 int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
)
1258 struct desktop
*desktop
;
1259 struct thread_input
*input
;
1262 if (!thread_to
->queue
&& !(thread_to
->queue
= create_msg_queue( thread_to
, NULL
))) return 0;
1263 if (!(desktop
= get_thread_desktop( thread_from
, 0 ))) return 0;
1264 input
= (struct thread_input
*)grab_object( thread_to
->queue
->input
);
1265 if (input
->desktop
!= desktop
)
1267 set_error( STATUS_ACCESS_DENIED
);
1268 release_object( input
);
1269 release_object( desktop
);
1272 release_object( desktop
);
1274 if (thread_from
->queue
)
1276 if (!input
->focus
) input
->focus
= thread_from
->queue
->input
->focus
;
1277 if (!input
->active
) input
->active
= thread_from
->queue
->input
->active
;
1280 ret
= assign_thread_input( thread_from
, input
);
1281 if (ret
) memset( input
->keystate
, 0, sizeof(input
->keystate
) );
1282 release_object( input
);
1286 /* detach two thread input data structures */
1287 void detach_thread_input( struct thread
*thread_from
)
1289 struct thread
*thread
;
1290 struct thread_input
*input
, *old_input
= thread_from
->queue
->input
;
1292 if ((input
= create_thread_input( thread_from
)))
1294 if (old_input
->focus
&& (thread
= get_window_thread( old_input
->focus
)))
1296 if (thread
== thread_from
)
1298 input
->focus
= old_input
->focus
;
1299 old_input
->focus
= 0;
1301 release_object( thread
);
1303 if (old_input
->active
&& (thread
= get_window_thread( old_input
->active
)))
1305 if (thread
== thread_from
)
1307 input
->active
= old_input
->active
;
1308 old_input
->active
= 0;
1310 release_object( thread
);
1312 assign_thread_input( thread_from
, input
);
1313 release_object( input
);
1318 /* set the next timer to expire */
1319 static void set_next_timer( struct msg_queue
*queue
)
1325 remove_timeout_user( queue
->timeout
);
1326 queue
->timeout
= NULL
;
1328 if ((ptr
= list_head( &queue
->pending_timers
)))
1330 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1331 queue
->timeout
= add_timeout_user( abstime_to_timeout(timer
->when
), timer_callback
, queue
);
1333 /* set/clear QS_TIMER bit */
1334 if (list_empty( &queue
->expired_timers
))
1335 clear_queue_bits( queue
, QS_TIMER
);
1337 set_queue_bits( queue
, QS_TIMER
);
1340 /* find a timer from its window and id */
1341 static struct timer
*find_timer( struct msg_queue
*queue
, user_handle_t win
,
1342 unsigned int msg
, lparam_t id
)
1346 /* we need to search both lists */
1348 LIST_FOR_EACH( ptr
, &queue
->pending_timers
)
1350 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1351 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1353 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1355 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1356 if (timer
->win
== win
&& timer
->msg
== msg
&& timer
->id
== id
) return timer
;
1361 /* callback for the next timer expiration */
1362 static void timer_callback( void *private )
1364 struct msg_queue
*queue
= private;
1367 queue
->timeout
= NULL
;
1368 /* move on to the next timer */
1369 ptr
= list_head( &queue
->pending_timers
);
1371 list_add_tail( &queue
->expired_timers
, ptr
);
1372 set_next_timer( queue
);
1375 /* link a timer at its rightful place in the queue list */
1376 static void link_timer( struct msg_queue
*queue
, struct timer
*timer
)
1380 for (ptr
= queue
->pending_timers
.next
; ptr
!= &queue
->pending_timers
; ptr
= ptr
->next
)
1382 struct timer
*t
= LIST_ENTRY( ptr
, struct timer
, entry
);
1383 if (t
->when
<= timer
->when
) break;
1385 list_add_before( ptr
, &timer
->entry
);
1388 /* remove a timer from the queue timer list and free it */
1389 static void free_timer( struct msg_queue
*queue
, struct timer
*timer
)
1391 list_remove( &timer
->entry
);
1393 set_next_timer( queue
);
1396 /* restart an expired timer */
1397 static void restart_timer( struct msg_queue
*queue
, struct timer
*timer
)
1399 list_remove( &timer
->entry
);
1400 while (-timer
->when
<= monotonic_time
) timer
->when
-= (timeout_t
)timer
->rate
* 10000;
1401 link_timer( queue
, timer
);
1402 set_next_timer( queue
);
1405 /* find an expired timer matching the filtering parameters */
1406 static struct timer
*find_expired_timer( struct msg_queue
*queue
, user_handle_t win
,
1407 unsigned int get_first
, unsigned int get_last
,
1412 LIST_FOR_EACH( ptr
, &queue
->expired_timers
)
1414 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
1415 if (win
&& timer
->win
!= win
) continue;
1416 if (check_msg_filter( timer
->msg
, get_first
, get_last
))
1418 if (remove
) restart_timer( queue
, timer
);
1426 static struct timer
*set_timer( struct msg_queue
*queue
, unsigned int rate
)
1428 struct timer
*timer
= mem_alloc( sizeof(*timer
) );
1431 timer
->rate
= max( rate
, 1 );
1432 timer
->when
= -monotonic_time
- (timeout_t
)timer
->rate
* 10000;
1433 link_timer( queue
, timer
);
1434 /* check if we replaced the next timer */
1435 if (list_head( &queue
->pending_timers
) == &timer
->entry
) set_next_timer( queue
);
1440 /* change the input key state for a given key */
1441 static void set_input_key_state( unsigned char *keystate
, unsigned char key
, int down
)
1445 if (!(keystate
[key
] & 0x80)) keystate
[key
] ^= 0x01;
1446 keystate
[key
] |= down
;
1448 else keystate
[key
] &= ~0x80;
1451 /* update the input key state for a keyboard message */
1452 static void update_input_key_state( struct desktop
*desktop
, unsigned char *keystate
,
1453 unsigned int msg
, lparam_t wparam
)
1460 case WM_LBUTTONDOWN
:
1461 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1464 set_input_key_state( keystate
, VK_LBUTTON
, down
);
1466 case WM_MBUTTONDOWN
:
1467 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1470 set_input_key_state( keystate
, VK_MBUTTON
, down
);
1472 case WM_RBUTTONDOWN
:
1473 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1476 set_input_key_state( keystate
, VK_RBUTTON
, down
);
1478 case WM_XBUTTONDOWN
:
1479 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1482 if (wparam
>> 16 == XBUTTON1
) set_input_key_state( keystate
, VK_XBUTTON1
, down
);
1483 else if (wparam
>> 16 == XBUTTON2
) set_input_key_state( keystate
, VK_XBUTTON2
, down
);
1487 down
= (keystate
== desktop
->keystate
) ? 0xc0 : 0x80;
1491 key
= (unsigned char)wparam
;
1492 set_input_key_state( keystate
, key
, down
);
1497 down
= (keystate
[VK_LCONTROL
] | keystate
[VK_RCONTROL
]) & 0x80;
1498 set_input_key_state( keystate
, VK_CONTROL
, down
);
1502 down
= (keystate
[VK_LMENU
] | keystate
[VK_RMENU
]) & 0x80;
1503 set_input_key_state( keystate
, VK_MENU
, down
);
1507 down
= (keystate
[VK_LSHIFT
] | keystate
[VK_RSHIFT
]) & 0x80;
1508 set_input_key_state( keystate
, VK_SHIFT
, down
);
1515 /* update the desktop key state according to a mouse message flags */
1516 static void update_desktop_mouse_state( struct desktop
*desktop
, unsigned int flags
, lparam_t wparam
)
1518 if (flags
& MOUSEEVENTF_LEFTDOWN
)
1519 update_input_key_state( desktop
, desktop
->keystate
, WM_LBUTTONDOWN
, wparam
);
1520 if (flags
& MOUSEEVENTF_LEFTUP
)
1521 update_input_key_state( desktop
, desktop
->keystate
, WM_LBUTTONUP
, wparam
);
1522 if (flags
& MOUSEEVENTF_RIGHTDOWN
)
1523 update_input_key_state( desktop
, desktop
->keystate
, WM_RBUTTONDOWN
, wparam
);
1524 if (flags
& MOUSEEVENTF_RIGHTUP
)
1525 update_input_key_state( desktop
, desktop
->keystate
, WM_RBUTTONUP
, wparam
);
1526 if (flags
& MOUSEEVENTF_MIDDLEDOWN
)
1527 update_input_key_state( desktop
, desktop
->keystate
, WM_MBUTTONDOWN
, wparam
);
1528 if (flags
& MOUSEEVENTF_MIDDLEUP
)
1529 update_input_key_state( desktop
, desktop
->keystate
, WM_MBUTTONUP
, wparam
);
1530 if (flags
& MOUSEEVENTF_XDOWN
)
1531 update_input_key_state( desktop
, desktop
->keystate
, WM_XBUTTONDOWN
, wparam
);
1532 if (flags
& MOUSEEVENTF_XUP
)
1533 update_input_key_state( desktop
, desktop
->keystate
, WM_XBUTTONUP
, wparam
);
1536 /* release the hardware message currently being processed by the given thread */
1537 static void release_hardware_message( struct msg_queue
*queue
, unsigned int hw_id
)
1539 struct thread_input
*input
= queue
->input
;
1540 struct message
*msg
, *other
;
1543 LIST_FOR_EACH_ENTRY( msg
, &input
->msg_list
, struct message
, entry
)
1545 if (msg
->unique_id
== hw_id
) break;
1547 if (&msg
->entry
== &input
->msg_list
) return; /* not found */
1549 /* clear the queue bit for that message */
1550 clr_bit
= get_hardware_msg_bit( msg
->msg
);
1551 LIST_FOR_EACH_ENTRY( other
, &input
->msg_list
, struct message
, entry
)
1553 if (other
!= msg
&& get_hardware_msg_bit( other
->msg
) == clr_bit
)
1559 if (clr_bit
) clear_queue_bits( queue
, clr_bit
);
1561 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
1562 list_remove( &msg
->entry
);
1563 free_message( msg
);
1566 static int queue_hotkey_message( struct desktop
*desktop
, struct message
*msg
)
1568 struct hotkey
*hotkey
;
1569 unsigned int modifiers
= 0;
1571 if (msg
->msg
!= WM_KEYDOWN
&& msg
->msg
!= WM_SYSKEYDOWN
) return 0;
1573 if (desktop
->keystate
[VK_MENU
] & 0x80) modifiers
|= MOD_ALT
;
1574 if (desktop
->keystate
[VK_CONTROL
] & 0x80) modifiers
|= MOD_CONTROL
;
1575 if (desktop
->keystate
[VK_SHIFT
] & 0x80) modifiers
|= MOD_SHIFT
;
1576 if ((desktop
->keystate
[VK_LWIN
] & 0x80) || (desktop
->keystate
[VK_RWIN
] & 0x80)) modifiers
|= MOD_WIN
;
1578 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
1580 if (hotkey
->vkey
!= msg
->wparam
) continue;
1581 if ((hotkey
->flags
& (MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
)) == modifiers
) goto found
;
1587 msg
->type
= MSG_POSTED
;
1588 msg
->win
= hotkey
->win
;
1589 msg
->msg
= WM_HOTKEY
;
1590 msg
->wparam
= hotkey
->id
;
1591 msg
->lparam
= ((hotkey
->vkey
& 0xffff) << 16) | modifiers
;
1597 list_add_tail( &hotkey
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
1598 set_queue_bits( hotkey
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
|QS_HOTKEY
);
1599 hotkey
->queue
->hotkey_count
++;
1603 /* find the window that should receive a given hardware message */
1604 static user_handle_t
find_hardware_message_window( struct desktop
*desktop
, struct thread_input
*input
,
1605 struct message
*msg
, unsigned int *msg_code
,
1606 struct thread
**thread
)
1608 user_handle_t win
= 0;
1611 *msg_code
= msg
->msg
;
1612 switch (get_hardware_msg_bit( msg
->msg
))
1615 if (!(win
= msg
->win
) && input
) win
= input
->focus
;
1618 if (input
&& !(win
= input
->focus
))
1620 win
= input
->active
;
1621 if (*msg_code
< WM_SYSKEYDOWN
) *msg_code
+= WM_SYSKEYDOWN
- WM_KEYDOWN
;
1625 case QS_MOUSEBUTTON
:
1626 if (!input
|| !(win
= input
->capture
))
1628 if (is_window_visible( msg
->win
) && !is_window_transparent( msg
->win
)) win
= msg
->win
;
1629 else win
= shallow_window_from_point( desktop
, msg
->x
, msg
->y
);
1630 *thread
= window_thread_from_point( win
, msg
->x
, msg
->y
);
1636 *thread
= get_window_thread( win
);
1640 static struct rawinput_device
*find_rawinput_device( struct process
*process
, unsigned short usage_page
, unsigned short usage
)
1642 struct rawinput_device
*device
, *end
;
1644 for (device
= process
->rawinput_devices
, end
= device
+ process
->rawinput_device_count
; device
!= end
; device
++)
1646 if (device
->usage_page
!= usage_page
|| device
->usage
!= usage
) continue;
1653 static void prepend_cursor_history( int x
, int y
, unsigned int time
, lparam_t info
)
1655 cursor_pos_t
*pos
= &cursor_history
[--cursor_history_latest
% ARRAY_SIZE(cursor_history
)];
1663 /* queue a hardware message into a given thread input */
1664 static void queue_hardware_message( struct desktop
*desktop
, struct message
*msg
, int always_queue
)
1667 struct thread
*thread
;
1668 struct thread_input
*input
;
1669 struct hardware_msg_data
*msg_data
= msg
->data
;
1670 unsigned int msg_code
;
1672 update_input_key_state( desktop
, desktop
->keystate
, msg
->msg
, msg
->wparam
);
1673 last_input_time
= get_tick_count();
1674 if (msg
->msg
!= WM_MOUSEMOVE
) always_queue
= 1;
1676 switch (get_hardware_msg_bit( msg
->msg
))
1679 if (queue_hotkey_message( desktop
, msg
)) return;
1680 if (desktop
->keystate
[VK_MENU
] & 0x80) msg
->lparam
|= KF_ALTDOWN
<< 16;
1681 if (msg
->wparam
== VK_SHIFT
|| msg
->wparam
== VK_LSHIFT
|| msg
->wparam
== VK_RSHIFT
)
1682 msg
->lparam
&= ~(KF_EXTENDED
<< 16);
1685 prepend_cursor_history( msg
->x
, msg
->y
, msg
->time
, msg_data
->info
);
1687 case QS_MOUSEBUTTON
:
1688 if (update_desktop_cursor_pos( desktop
, msg
->win
, msg
->x
, msg
->y
)) always_queue
= 1;
1689 if (desktop
->keystate
[VK_LBUTTON
] & 0x80) msg
->wparam
|= MK_LBUTTON
;
1690 if (desktop
->keystate
[VK_MBUTTON
] & 0x80) msg
->wparam
|= MK_MBUTTON
;
1691 if (desktop
->keystate
[VK_RBUTTON
] & 0x80) msg
->wparam
|= MK_RBUTTON
;
1692 if (desktop
->keystate
[VK_SHIFT
] & 0x80) msg
->wparam
|= MK_SHIFT
;
1693 if (desktop
->keystate
[VK_CONTROL
] & 0x80) msg
->wparam
|= MK_CONTROL
;
1694 if (desktop
->keystate
[VK_XBUTTON1
] & 0x80) msg
->wparam
|= MK_XBUTTON1
;
1695 if (desktop
->keystate
[VK_XBUTTON2
] & 0x80) msg
->wparam
|= MK_XBUTTON2
;
1698 msg
->x
= desktop
->cursor
.x
;
1699 msg
->y
= desktop
->cursor
.y
;
1701 if (msg
->win
&& (thread
= get_window_thread( msg
->win
)))
1703 input
= thread
->queue
->input
;
1704 release_object( thread
);
1706 else input
= desktop
->foreground_input
;
1708 win
= find_hardware_message_window( desktop
, input
, msg
, &msg_code
, &thread
);
1709 if (!win
|| !thread
)
1711 if (input
) update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
1712 free_message( msg
);
1715 input
= thread
->queue
->input
;
1717 if (win
!= msg
->win
) always_queue
= 1;
1718 if (!always_queue
|| merge_message( input
, msg
)) free_message( msg
);
1721 msg
->unique_id
= 0; /* will be set once we return it to the app */
1722 list_add_tail( &input
->msg_list
, &msg
->entry
);
1723 set_queue_bits( thread
->queue
, get_hardware_msg_bit( msg
->msg
) );
1725 release_object( thread
);
1728 /* send the low-level hook message for a given hardware message */
1729 static int send_hook_ll_message( struct desktop
*desktop
, struct message
*hardware_msg
,
1730 const hw_input_t
*input
, struct msg_queue
*sender
)
1732 struct thread
*hook_thread
;
1733 struct msg_queue
*queue
;
1734 struct message
*msg
;
1735 timeout_t timeout
= 2000 * -10000; /* FIXME: load from registry */
1736 int id
= (input
->type
== INPUT_MOUSE
) ? WH_MOUSE_LL
: WH_KEYBOARD_LL
;
1738 if (!(hook_thread
= get_first_global_hook( id
))) return 0;
1739 if (!(queue
= hook_thread
->queue
)) return 0;
1740 if (is_queue_hung( queue
)) return 0;
1742 if (!(msg
= mem_alloc( sizeof(*msg
) ))) return 0;
1744 msg
->type
= MSG_HOOK_LL
;
1747 msg
->wparam
= hardware_msg
->msg
;
1748 msg
->x
= hardware_msg
->x
;
1749 msg
->y
= hardware_msg
->y
;
1750 msg
->time
= hardware_msg
->time
;
1751 msg
->data_size
= hardware_msg
->data_size
;
1754 if (input
->type
== INPUT_KEYBOARD
)
1756 unsigned short vkey
= input
->kbd
.vkey
;
1757 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
) vkey
= VK_PACKET
;
1758 msg
->lparam
= (input
->kbd
.scan
<< 16) | vkey
;
1760 else msg
->lparam
= input
->mouse
.data
<< 16;
1762 if (!(msg
->data
= memdup( hardware_msg
->data
, hardware_msg
->data_size
)) ||
1763 !(msg
->result
= alloc_message_result( sender
, queue
, msg
, timeout
)))
1765 free_message( msg
);
1768 msg
->result
->hardware_msg
= hardware_msg
;
1769 msg
->result
->desktop
= (struct desktop
*)grab_object( desktop
);
1770 list_add_tail( &queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
1771 set_queue_bits( queue
, QS_SENDMESSAGE
);
1775 /* get the foreground thread for a desktop and a window receiving input */
1776 static struct thread
*get_foreground_thread( struct desktop
*desktop
, user_handle_t window
)
1778 /* if desktop has no foreground process, assume the receiving window is */
1779 if (desktop
->foreground_input
) return get_window_thread( desktop
->foreground_input
->focus
);
1780 if (window
) return get_window_thread( window
);
1784 struct rawinput_message
1786 struct thread
*foreground
;
1787 struct desktop
*desktop
;
1788 struct hw_msg_source source
;
1790 unsigned int message
;
1791 struct hardware_msg_data data
;
1792 const void *hid_report
;
1795 /* check if process is supposed to receive a WM_INPUT message and eventually queue it */
1796 static int queue_rawinput_message( struct process
* process
, void *arg
)
1798 const struct rawinput_message
* raw_msg
= arg
;
1799 const struct rawinput_device
*device
= NULL
;
1800 struct desktop
*target_desktop
= NULL
, *desktop
= NULL
;
1801 struct thread
*target_thread
= NULL
, *foreground
= NULL
;
1802 struct message
*msg
;
1803 data_size_t report_size
;
1804 int wparam
= RIM_INPUT
;
1806 if (raw_msg
->data
.rawinput
.type
== RIM_TYPEMOUSE
)
1807 device
= process
->rawinput_mouse
;
1808 else if (raw_msg
->data
.rawinput
.type
== RIM_TYPEKEYBOARD
)
1809 device
= process
->rawinput_kbd
;
1811 device
= find_rawinput_device( process
, raw_msg
->data
.rawinput
.hid
.usage_page
, raw_msg
->data
.rawinput
.hid
.usage
);
1812 if (!device
) return 0;
1814 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& !(device
->flags
& RIDEV_DEVNOTIFY
)) return 0;
1816 if (raw_msg
->desktop
) desktop
= (struct desktop
*)grab_object( raw_msg
->desktop
);
1817 else if (!(desktop
= get_desktop_obj( process
, process
->desktop
, 0 ))) goto done
;
1819 if (raw_msg
->foreground
) foreground
= (struct thread
*)grab_object( raw_msg
->foreground
);
1820 else if (!(foreground
= get_foreground_thread( desktop
, 0 ))) goto done
;
1822 if (process
!= foreground
->process
)
1824 if (raw_msg
->message
== WM_INPUT
&& !(device
->flags
& RIDEV_INPUTSINK
)) goto done
;
1825 if (!(target_thread
= get_window_thread( device
->target
))) goto done
;
1826 if (!(target_desktop
= get_thread_desktop( target_thread
, 0 ))) goto done
;
1827 if (target_desktop
!= desktop
) goto done
;
1828 wparam
= RIM_INPUTSINK
;
1831 if (raw_msg
->data
.rawinput
.type
!= RIM_TYPEHID
|| !raw_msg
->hid_report
) report_size
= 0;
1832 else report_size
= raw_msg
->data
.size
- sizeof(raw_msg
->data
);
1834 if (!(msg
= alloc_hardware_message( raw_msg
->data
.info
, raw_msg
->source
, raw_msg
->time
, report_size
)))
1837 msg
->win
= device
->target
;
1838 msg
->msg
= raw_msg
->message
;
1839 msg
->wparam
= wparam
;
1841 memcpy( msg
->data
, &raw_msg
->data
, sizeof(raw_msg
->data
) );
1842 if (report_size
) memcpy( (struct hardware_msg_data
*)msg
->data
+ 1, raw_msg
->hid_report
, report_size
);
1844 if (raw_msg
->message
== WM_INPUT_DEVICE_CHANGE
&& raw_msg
->data
.rawinput
.type
== RIM_TYPEHID
)
1846 msg
->wparam
= raw_msg
->data
.rawinput
.hid
.param
;
1847 msg
->lparam
= raw_msg
->data
.rawinput
.hid
.device
;
1850 queue_hardware_message( desktop
, msg
, 1 );
1853 if (target_thread
) release_object( target_thread
);
1854 if (target_desktop
) release_object( target_desktop
);
1855 if (foreground
) release_object( foreground
);
1856 if (desktop
) release_object( desktop
);
1860 /* queue a hardware message for a mouse event */
1861 static int queue_mouse_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1862 unsigned int origin
, struct msg_queue
*sender
)
1864 const struct rawinput_device
*device
;
1865 struct hardware_msg_data
*msg_data
;
1866 struct rawinput_message raw_msg
;
1867 struct message
*msg
;
1868 struct thread
*foreground
;
1869 unsigned int i
, time
, flags
;
1870 struct hw_msg_source source
= { IMDT_MOUSE
, origin
};
1873 static const unsigned int messages
[] =
1875 WM_MOUSEMOVE
, /* 0x0001 = MOUSEEVENTF_MOVE */
1876 WM_LBUTTONDOWN
, /* 0x0002 = MOUSEEVENTF_LEFTDOWN */
1877 WM_LBUTTONUP
, /* 0x0004 = MOUSEEVENTF_LEFTUP */
1878 WM_RBUTTONDOWN
, /* 0x0008 = MOUSEEVENTF_RIGHTDOWN */
1879 WM_RBUTTONUP
, /* 0x0010 = MOUSEEVENTF_RIGHTUP */
1880 WM_MBUTTONDOWN
, /* 0x0020 = MOUSEEVENTF_MIDDLEDOWN */
1881 WM_MBUTTONUP
, /* 0x0040 = MOUSEEVENTF_MIDDLEUP */
1882 WM_XBUTTONDOWN
, /* 0x0080 = MOUSEEVENTF_XDOWN */
1883 WM_XBUTTONUP
, /* 0x0100 = MOUSEEVENTF_XUP */
1884 0, /* 0x0200 = unused */
1885 0, /* 0x0400 = unused */
1886 WM_MOUSEWHEEL
, /* 0x0800 = MOUSEEVENTF_WHEEL */
1887 WM_MOUSEHWHEEL
/* 0x1000 = MOUSEEVENTF_HWHEEL */
1890 desktop
->cursor
.last_change
= get_tick_count();
1891 flags
= input
->mouse
.flags
;
1892 time
= input
->mouse
.time
;
1893 if (!time
) time
= desktop
->cursor
.last_change
;
1895 if (flags
& MOUSEEVENTF_MOVE
)
1897 if (flags
& MOUSEEVENTF_ABSOLUTE
)
1901 if (flags
& ~(MOUSEEVENTF_MOVE
| MOUSEEVENTF_ABSOLUTE
) &&
1902 x
== desktop
->cursor
.x
&& y
== desktop
->cursor
.y
)
1903 flags
&= ~MOUSEEVENTF_MOVE
;
1907 x
= desktop
->cursor
.x
+ input
->mouse
.x
;
1908 y
= desktop
->cursor
.y
+ input
->mouse
.y
;
1913 x
= desktop
->cursor
.x
;
1914 y
= desktop
->cursor
.y
;
1917 if ((foreground
= get_foreground_thread( desktop
, win
)))
1919 memset( &raw_msg
, 0, sizeof(raw_msg
) );
1920 raw_msg
.foreground
= foreground
;
1921 raw_msg
.desktop
= desktop
;
1922 raw_msg
.source
= source
;
1923 raw_msg
.time
= time
;
1924 raw_msg
.message
= WM_INPUT
;
1926 msg_data
= &raw_msg
.data
;
1927 msg_data
->info
= input
->mouse
.info
;
1928 msg_data
->size
= sizeof(*msg_data
);
1929 msg_data
->flags
= flags
;
1930 msg_data
->rawinput
.type
= RIM_TYPEMOUSE
;
1931 msg_data
->rawinput
.mouse
.x
= x
- desktop
->cursor
.x
;
1932 msg_data
->rawinput
.mouse
.y
= y
- desktop
->cursor
.y
;
1933 msg_data
->rawinput
.mouse
.data
= input
->mouse
.data
;
1935 enum_processes( queue_rawinput_message
, &raw_msg
);
1936 release_object( foreground
);
1939 if ((device
= current
->process
->rawinput_mouse
) && (device
->flags
& RIDEV_NOLEGACY
))
1941 if (flags
& MOUSEEVENTF_MOVE
) update_desktop_cursor_pos( desktop
, win
, x
, y
);
1942 update_desktop_mouse_state( desktop
, flags
, input
->mouse
.data
<< 16 );
1946 for (i
= 0; i
< ARRAY_SIZE( messages
); i
++)
1948 if (!messages
[i
]) continue;
1949 if (!(flags
& (1 << i
))) continue;
1952 if (!(msg
= alloc_hardware_message( input
->mouse
.info
, source
, time
, 0 ))) return 0;
1953 msg_data
= msg
->data
;
1955 msg
->win
= get_user_full_handle( win
);
1956 msg
->msg
= messages
[i
];
1957 msg
->wparam
= input
->mouse
.data
<< 16;
1961 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLMHF_INJECTED
;
1963 /* specify a sender only when sending the last message */
1964 if (!(flags
& ((1 << ARRAY_SIZE( messages
)) - 1)))
1966 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
1967 queue_hardware_message( desktop
, msg
, 0 );
1969 else if (!send_hook_ll_message( desktop
, msg
, input
, NULL
))
1970 queue_hardware_message( desktop
, msg
, 0 );
1975 /* queue a hardware message for a keyboard event */
1976 static int queue_keyboard_message( struct desktop
*desktop
, user_handle_t win
, const hw_input_t
*input
,
1977 unsigned int origin
, struct msg_queue
*sender
)
1979 struct hw_msg_source source
= { IMDT_KEYBOARD
, origin
};
1980 const struct rawinput_device
*device
;
1981 struct hardware_msg_data
*msg_data
;
1982 struct rawinput_message raw_msg
;
1983 struct message
*msg
;
1984 struct thread
*foreground
;
1985 unsigned char vkey
= input
->kbd
.vkey
;
1986 unsigned int message_code
, time
;
1989 if (!(time
= input
->kbd
.time
)) time
= get_tick_count();
1991 if (!(input
->kbd
.flags
& KEYEVENTF_UNICODE
))
1998 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RMENU
: VK_LMENU
;
2003 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RCONTROL
: VK_LCONTROL
;
2008 vkey
= (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) ? VK_RSHIFT
: VK_LSHIFT
;
2013 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_KEYUP
: WM_KEYDOWN
;
2018 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
)
2020 /* send WM_SYSKEYUP if Alt still pressed and no other key in between */
2021 /* we use 0x02 as a flag to track if some other SYSKEYUP was sent already */
2022 if ((desktop
->keystate
[VK_MENU
] & 0x82) != 0x82) break;
2023 message_code
= WM_SYSKEYUP
;
2024 desktop
->keystate
[VK_MENU
] &= ~0x02;
2028 /* send WM_SYSKEYDOWN for Alt except with Ctrl */
2029 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
2030 message_code
= WM_SYSKEYDOWN
;
2031 desktop
->keystate
[VK_MENU
] |= 0x02;
2037 /* send WM_SYSKEYUP on release if Alt still pressed */
2038 if (!(input
->kbd
.flags
& KEYEVENTF_KEYUP
)) break;
2039 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
2040 message_code
= WM_SYSKEYUP
;
2041 desktop
->keystate
[VK_MENU
] &= ~0x02;
2045 /* send WM_SYSKEY for Alt-anykey and for F10 */
2046 if (desktop
->keystate
[VK_CONTROL
] & 0x80) break;
2047 if (!(desktop
->keystate
[VK_MENU
] & 0x80)) break;
2050 message_code
= (input
->kbd
.flags
& KEYEVENTF_KEYUP
) ? WM_SYSKEYUP
: WM_SYSKEYDOWN
;
2051 desktop
->keystate
[VK_MENU
] &= ~0x02;
2055 if ((foreground
= get_foreground_thread( desktop
, win
)))
2057 memset( &raw_msg
, 0, sizeof(raw_msg
) );
2058 raw_msg
.foreground
= foreground
;
2059 raw_msg
.desktop
= desktop
;
2060 raw_msg
.source
= source
;
2061 raw_msg
.time
= time
;
2062 raw_msg
.message
= WM_INPUT
;
2064 msg_data
= &raw_msg
.data
;
2065 msg_data
->info
= input
->kbd
.info
;
2066 msg_data
->size
= sizeof(*msg_data
);
2067 msg_data
->flags
= input
->kbd
.flags
;
2068 msg_data
->rawinput
.type
= RIM_TYPEKEYBOARD
;
2069 msg_data
->rawinput
.kbd
.message
= message_code
;
2070 msg_data
->rawinput
.kbd
.vkey
= vkey
;
2071 msg_data
->rawinput
.kbd
.scan
= input
->kbd
.scan
;
2073 enum_processes( queue_rawinput_message
, &raw_msg
);
2074 release_object( foreground
);
2077 if ((device
= current
->process
->rawinput_kbd
) && (device
->flags
& RIDEV_NOLEGACY
))
2079 update_input_key_state( desktop
, desktop
->keystate
, message_code
, vkey
);
2083 if (!(msg
= alloc_hardware_message( input
->kbd
.info
, source
, time
, 0 ))) return 0;
2084 msg_data
= msg
->data
;
2086 msg
->win
= get_user_full_handle( win
);
2087 msg
->msg
= message_code
;
2088 msg
->lparam
= (input
->kbd
.scan
<< 16) | 1u; /* repeat count */
2089 if (origin
== IMO_INJECTED
) msg_data
->flags
= LLKHF_INJECTED
;
2091 if (input
->kbd
.flags
& KEYEVENTF_UNICODE
&& !vkey
)
2093 msg
->wparam
= VK_PACKET
;
2097 unsigned int flags
= 0;
2098 if (input
->kbd
.flags
& KEYEVENTF_EXTENDEDKEY
) flags
|= KF_EXTENDED
;
2099 /* FIXME: set KF_DLGMODE and KF_MENUMODE when needed */
2100 if (input
->kbd
.flags
& KEYEVENTF_KEYUP
) flags
|= KF_REPEAT
| KF_UP
;
2101 else if (desktop
->keystate
[vkey
] & 0x80) flags
|= KF_REPEAT
;
2104 msg
->lparam
|= flags
<< 16;
2105 msg_data
->flags
|= (flags
& (KF_EXTENDED
| KF_ALTDOWN
| KF_UP
)) >> 8;
2108 if (!(wait
= send_hook_ll_message( desktop
, msg
, input
, sender
)))
2109 queue_hardware_message( desktop
, msg
, 1 );
2114 /* queue a hardware message for a custom type of event */
2115 static void queue_custom_hardware_message( struct desktop
*desktop
, user_handle_t win
,
2116 unsigned int origin
, const hw_input_t
*input
)
2118 struct hw_msg_source source
= { IMDT_UNAVAILABLE
, origin
};
2119 struct hardware_msg_data
*msg_data
;
2120 struct rawinput_message raw_msg
;
2121 struct message
*msg
;
2122 data_size_t report_size
= 0;
2124 switch (input
->hw
.msg
)
2127 case WM_INPUT_DEVICE_CHANGE
:
2128 memset( &raw_msg
, 0, sizeof(raw_msg
) );
2129 raw_msg
.source
= source
;
2130 raw_msg
.time
= get_tick_count();
2131 raw_msg
.message
= input
->hw
.msg
;
2133 if (input
->hw
.rawinput
.type
== RIM_TYPEHID
)
2135 raw_msg
.hid_report
= get_req_data();
2136 report_size
= input
->hw
.rawinput
.hid
.length
* input
->hw
.rawinput
.hid
.count
;
2139 if (report_size
!= get_req_data_size())
2141 set_error( STATUS_INVALID_PARAMETER
);
2145 msg_data
= &raw_msg
.data
;
2146 msg_data
->size
= sizeof(*msg_data
) + report_size
;
2147 msg_data
->rawinput
= input
->hw
.rawinput
;
2149 enum_processes( queue_rawinput_message
, &raw_msg
);
2153 if (!(msg
= alloc_hardware_message( 0, source
, get_tick_count(), 0 ))) return;
2155 msg
->win
= get_user_full_handle( win
);
2156 msg
->msg
= input
->hw
.msg
;
2158 msg
->lparam
= input
->hw
.lparam
;
2159 msg
->x
= desktop
->cursor
.x
;
2160 msg
->y
= desktop
->cursor
.y
;
2162 queue_hardware_message( desktop
, msg
, 1 );
2165 /* check message filter for a hardware message */
2166 static int check_hw_message_filter( user_handle_t win
, unsigned int msg_code
,
2167 user_handle_t filter_win
, unsigned int first
, unsigned int last
)
2169 switch (get_hardware_msg_bit( msg_code
))
2172 /* we can only test the window for a keyboard message since the
2173 * dest window for a mouse message depends on hittest */
2174 if (filter_win
&& win
!= filter_win
&& !is_child_window( filter_win
, win
))
2176 /* the message code is final for a keyboard message, we can simply check it */
2177 return check_msg_filter( msg_code
, first
, last
);
2180 case QS_MOUSEBUTTON
:
2181 /* we need to check all possible values that the message can have in the end */
2182 if (check_msg_filter( msg_code
, first
, last
)) return 1;
2183 if (msg_code
== WM_MOUSEWHEEL
) return 0; /* no other possible value for this one */
2185 /* all other messages can become non-client messages */
2186 if (check_msg_filter( msg_code
+ (WM_NCMOUSEFIRST
- WM_MOUSEFIRST
), first
, last
)) return 1;
2188 /* clicks can become double-clicks or non-client double-clicks */
2189 if (msg_code
== WM_LBUTTONDOWN
|| msg_code
== WM_MBUTTONDOWN
||
2190 msg_code
== WM_RBUTTONDOWN
|| msg_code
== WM_XBUTTONDOWN
)
2192 if (check_msg_filter( msg_code
+ (WM_LBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2193 if (check_msg_filter( msg_code
+ (WM_NCLBUTTONDBLCLK
- WM_LBUTTONDOWN
), first
, last
)) return 1;
2198 return check_msg_filter( msg_code
, first
, last
);
2202 /* is this message an internal driver notification message */
2203 static inline BOOL
is_internal_hardware_message( unsigned int message
)
2205 return (message
>= WM_WINE_FIRST_DRIVER_MSG
&& message
<= WM_WINE_LAST_DRIVER_MSG
);
2208 /* find a hardware message for the given queue */
2209 static int get_hardware_message( struct thread
*thread
, unsigned int hw_id
, user_handle_t filter_win
,
2210 unsigned int first
, unsigned int last
, unsigned int flags
,
2211 struct get_message_reply
*reply
)
2213 struct thread_input
*input
= thread
->queue
->input
;
2214 struct thread
*win_thread
;
2217 int clear_bits
, got_one
= 0;
2218 unsigned int msg_code
;
2220 ptr
= list_head( &input
->msg_list
);
2225 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2226 if (msg
->unique_id
== hw_id
) break;
2227 ptr
= list_next( &input
->msg_list
, ptr
);
2229 if (!ptr
) ptr
= list_head( &input
->msg_list
);
2230 else ptr
= list_next( &input
->msg_list
, ptr
); /* start from the next one */
2233 if (ptr
== list_head( &input
->msg_list
))
2234 clear_bits
= QS_INPUT
;
2236 clear_bits
= 0; /* don't clear bits if we don't go through the whole list */
2240 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2241 struct hardware_msg_data
*data
= msg
->data
;
2243 ptr
= list_next( &input
->msg_list
, ptr
);
2244 win
= find_hardware_message_window( input
->desktop
, input
, msg
, &msg_code
, &win_thread
);
2245 if (!win
|| !win_thread
)
2247 /* no window at all, remove it */
2248 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
2249 list_remove( &msg
->entry
);
2250 free_message( msg
);
2253 if (win_thread
!= thread
)
2255 if (win_thread
->queue
->input
== input
)
2257 /* wake the other thread */
2258 set_queue_bits( win_thread
->queue
, get_hardware_msg_bit( msg
->msg
) );
2263 /* for another thread input, drop it */
2264 update_input_key_state( input
->desktop
, input
->keystate
, msg
->msg
, msg
->wparam
);
2265 list_remove( &msg
->entry
);
2266 free_message( msg
);
2268 release_object( win_thread
);
2271 release_object( win_thread
);
2273 /* if we already got a message for another thread, or if it doesn't
2274 * match the filter we skip it */
2275 if (got_one
|| !check_hw_message_filter( win
, msg_code
, filter_win
, first
, last
))
2277 clear_bits
&= ~get_hardware_msg_bit( msg
->msg
);
2281 reply
->total
= msg
->data_size
;
2282 if (msg
->data_size
> get_reply_max_size())
2284 set_error( STATUS_BUFFER_OVERFLOW
);
2288 /* now we can return it */
2289 if (!msg
->unique_id
) msg
->unique_id
= get_unique_id();
2290 reply
->type
= MSG_HARDWARE
;
2292 reply
->msg
= msg_code
;
2293 reply
->wparam
= msg
->wparam
;
2294 reply
->lparam
= msg
->lparam
;
2297 reply
->time
= msg
->time
;
2299 data
->hw_id
= msg
->unique_id
;
2300 set_reply_data( msg
->data
, msg
->data_size
);
2301 if ((get_hardware_msg_bit( msg
->msg
) == QS_RAWINPUT
&& (flags
& PM_REMOVE
)) ||
2302 is_internal_hardware_message( msg
->msg
))
2303 release_hardware_message( current
->queue
, data
->hw_id
);
2306 /* nothing found, clear the hardware queue bits */
2307 clear_queue_bits( thread
->queue
, clear_bits
);
2311 /* increment (or decrement if 'incr' is negative) the queue paint count */
2312 void inc_queue_paint_count( struct thread
*thread
, int incr
)
2314 struct msg_queue
*queue
= thread
->queue
;
2318 if ((queue
->paint_count
+= incr
) < 0) queue
->paint_count
= 0;
2320 if (queue
->paint_count
)
2321 set_queue_bits( queue
, QS_PAINT
);
2323 clear_queue_bits( queue
, QS_PAINT
);
2327 /* remove all messages and timers belonging to a certain window */
2328 void queue_cleanup_window( struct thread
*thread
, user_handle_t win
)
2330 struct msg_queue
*queue
= thread
->queue
;
2338 ptr
= list_head( &queue
->pending_timers
);
2341 struct list
*next
= list_next( &queue
->pending_timers
, ptr
);
2342 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2343 if (timer
->win
== win
) free_timer( queue
, timer
);
2346 ptr
= list_head( &queue
->expired_timers
);
2349 struct list
*next
= list_next( &queue
->expired_timers
, ptr
);
2350 struct timer
*timer
= LIST_ENTRY( ptr
, struct timer
, entry
);
2351 if (timer
->win
== win
) free_timer( queue
, timer
);
2355 /* remove messages */
2356 for (i
= 0; i
< NB_MSG_KINDS
; i
++)
2358 struct list
*ptr
, *next
;
2360 LIST_FOR_EACH_SAFE( ptr
, next
, &queue
->msg_list
[i
] )
2362 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2363 if (msg
->win
== win
)
2365 if (msg
->msg
== WM_QUIT
&& !queue
->quit_message
)
2367 queue
->quit_message
= 1;
2368 queue
->exit_code
= msg
->wparam
;
2370 remove_queue_message( queue
, msg
, i
);
2375 thread_input_cleanup_window( queue
, win
);
2378 /* post a message to a window */
2379 void post_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2381 struct message
*msg
;
2382 struct thread
*thread
= get_window_thread( win
);
2384 if (!thread
) return;
2386 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2388 msg
->type
= MSG_POSTED
;
2389 msg
->win
= get_user_full_handle( win
);
2391 msg
->wparam
= wparam
;
2392 msg
->lparam
= lparam
;
2397 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2399 list_add_tail( &thread
->queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2400 set_queue_bits( thread
->queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2401 if (message
== WM_HOTKEY
)
2403 set_queue_bits( thread
->queue
, QS_HOTKEY
);
2404 thread
->queue
->hotkey_count
++;
2407 release_object( thread
);
2410 /* send a notify message to a window */
2411 void send_notify_message( user_handle_t win
, unsigned int message
, lparam_t wparam
, lparam_t lparam
)
2413 struct message
*msg
;
2414 struct thread
*thread
= get_window_thread( win
);
2416 if (!thread
) return;
2418 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2420 msg
->type
= MSG_NOTIFY
;
2421 msg
->win
= get_user_full_handle( win
);
2423 msg
->wparam
= wparam
;
2424 msg
->lparam
= lparam
;
2429 get_message_defaults( thread
->queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2431 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2432 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2434 release_object( thread
);
2437 /* post a win event */
2438 void post_win_event( struct thread
*thread
, unsigned int event
,
2439 user_handle_t win
, unsigned int object_id
,
2440 unsigned int child_id
, client_ptr_t hook_proc
,
2441 const WCHAR
*module
, data_size_t module_size
,
2444 struct message
*msg
;
2446 if (thread
->queue
&& (msg
= mem_alloc( sizeof(*msg
) )))
2448 struct winevent_msg_data
*data
;
2450 msg
->type
= MSG_WINEVENT
;
2451 msg
->win
= get_user_full_handle( win
);
2453 msg
->wparam
= object_id
;
2454 msg
->lparam
= child_id
;
2455 msg
->time
= get_tick_count();
2458 if ((data
= malloc( sizeof(*data
) + module_size
)))
2461 data
->tid
= get_thread_id( current
);
2462 data
->hook_proc
= hook_proc
;
2463 memcpy( data
+ 1, module
, module_size
);
2466 msg
->data_size
= sizeof(*data
) + module_size
;
2468 if (debug_level
> 1)
2469 fprintf( stderr
, "post_win_event: tid %04x event %04x win %08x object_id %d child_id %d\n",
2470 get_thread_id(thread
), event
, win
, object_id
, child_id
);
2471 list_add_tail( &thread
->queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2472 set_queue_bits( thread
->queue
, QS_SENDMESSAGE
);
2479 /* free all hotkeys on a desktop, optionally filtering by window */
2480 void free_hotkeys( struct desktop
*desktop
, user_handle_t window
)
2482 struct hotkey
*hotkey
, *hotkey2
;
2484 LIST_FOR_EACH_ENTRY_SAFE( hotkey
, hotkey2
, &desktop
->hotkeys
, struct hotkey
, entry
)
2486 if (!window
|| hotkey
->win
== window
)
2488 list_remove( &hotkey
->entry
);
2495 /* check if the thread owning the window is hung */
2496 DECL_HANDLER(is_window_hung
)
2498 struct thread
*thread
;
2500 thread
= get_window_thread( req
->win
);
2503 reply
->is_hung
= is_queue_hung( thread
->queue
);
2504 release_object( thread
);
2506 else reply
->is_hung
= 0;
2510 /* get the message queue of the current thread */
2511 DECL_HANDLER(get_msg_queue
)
2513 struct msg_queue
*queue
= get_current_queue();
2516 if (queue
) reply
->handle
= alloc_handle( current
->process
, queue
, SYNCHRONIZE
, 0 );
2520 /* set the file descriptor associated to the current thread queue */
2521 DECL_HANDLER(set_queue_fd
)
2523 struct msg_queue
*queue
= get_current_queue();
2527 if (queue
->fd
) /* fd can only be set once */
2529 set_error( STATUS_ACCESS_DENIED
);
2532 if (!(file
= get_file_obj( current
->process
, req
->handle
, SYNCHRONIZE
))) return;
2534 if ((unix_fd
= get_file_unix_fd( file
)) != -1)
2536 if ((unix_fd
= dup( unix_fd
)) != -1)
2537 queue
->fd
= create_anonymous_fd( &msg_queue_fd_ops
, unix_fd
, &queue
->obj
, 0 );
2541 release_object( file
);
2545 /* set the current message queue wakeup mask */
2546 DECL_HANDLER(set_queue_mask
)
2548 struct msg_queue
*queue
= get_current_queue();
2552 queue
->wake_mask
= req
->wake_mask
;
2553 queue
->changed_mask
= req
->changed_mask
;
2554 reply
->wake_bits
= queue
->wake_bits
;
2555 reply
->changed_bits
= queue
->changed_bits
;
2556 if (is_signaled( queue
))
2558 /* if skip wait is set, do what would have been done in the subsequent wait */
2559 if (req
->skip_wait
) queue
->wake_mask
= queue
->changed_mask
= 0;
2560 else wake_up( &queue
->obj
, 0 );
2566 /* get the current message queue status */
2567 DECL_HANDLER(get_queue_status
)
2569 struct msg_queue
*queue
= current
->queue
;
2572 reply
->wake_bits
= queue
->wake_bits
;
2573 reply
->changed_bits
= queue
->changed_bits
;
2574 queue
->changed_bits
&= ~req
->clear_bits
;
2576 else reply
->wake_bits
= reply
->changed_bits
= 0;
2580 /* send a message to a thread queue */
2581 DECL_HANDLER(send_message
)
2583 struct message
*msg
;
2584 struct msg_queue
*send_queue
= get_current_queue();
2585 struct msg_queue
*recv_queue
= NULL
;
2586 struct thread
*thread
= NULL
;
2588 if (!(thread
= get_thread_from_id( req
->id
))) return;
2590 if (!(recv_queue
= thread
->queue
))
2592 set_error( STATUS_INVALID_PARAMETER
);
2593 release_object( thread
);
2596 if ((req
->flags
& SEND_MSG_ABORT_IF_HUNG
) && is_queue_hung(recv_queue
))
2598 set_error( STATUS_TIMEOUT
);
2599 release_object( thread
);
2603 if ((msg
= mem_alloc( sizeof(*msg
) )))
2605 msg
->type
= req
->type
;
2606 msg
->win
= get_user_full_handle( req
->win
);
2607 msg
->msg
= req
->msg
;
2608 msg
->wparam
= req
->wparam
;
2609 msg
->lparam
= req
->lparam
;
2612 msg
->data_size
= get_req_data_size();
2614 get_message_defaults( recv_queue
, &msg
->x
, &msg
->y
, &msg
->time
);
2616 if (msg
->data_size
&& !(msg
->data
= memdup( get_req_data(), msg
->data_size
)))
2619 release_object( thread
);
2625 case MSG_OTHER_PROCESS
:
2629 if (!(msg
->result
= alloc_message_result( send_queue
, recv_queue
, msg
, req
->timeout
)))
2631 free_message( msg
);
2636 list_add_tail( &recv_queue
->msg_list
[SEND_MESSAGE
], &msg
->entry
);
2637 set_queue_bits( recv_queue
, QS_SENDMESSAGE
);
2640 list_add_tail( &recv_queue
->msg_list
[POST_MESSAGE
], &msg
->entry
);
2641 set_queue_bits( recv_queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2642 if (msg
->msg
== WM_HOTKEY
)
2644 set_queue_bits( recv_queue
, QS_HOTKEY
);
2645 recv_queue
->hotkey_count
++;
2648 case MSG_HARDWARE
: /* should use send_hardware_message instead */
2649 case MSG_CALLBACK_RESULT
: /* cannot send this one */
2650 case MSG_HOOK_LL
: /* generated internally */
2652 set_error( STATUS_INVALID_PARAMETER
);
2657 release_object( thread
);
2660 /* send a hardware message to a thread queue */
2661 DECL_HANDLER(send_hardware_message
)
2663 struct thread
*thread
= NULL
;
2664 struct desktop
*desktop
;
2665 unsigned int origin
= (req
->flags
& SEND_HWMSG_INJECTED
? IMO_INJECTED
: IMO_HARDWARE
);
2666 struct msg_queue
*sender
= get_current_queue();
2668 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2672 if (!(thread
= get_window_thread( req
->win
))) return;
2673 if (desktop
!= thread
->queue
->input
->desktop
)
2675 /* don't allow queuing events to a different desktop */
2676 release_object( desktop
);
2681 reply
->prev_x
= desktop
->cursor
.x
;
2682 reply
->prev_y
= desktop
->cursor
.y
;
2684 switch (req
->input
.type
)
2687 reply
->wait
= queue_mouse_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2689 case INPUT_KEYBOARD
:
2690 reply
->wait
= queue_keyboard_message( desktop
, req
->win
, &req
->input
, origin
, sender
);
2692 case INPUT_HARDWARE
:
2693 queue_custom_hardware_message( desktop
, req
->win
, origin
, &req
->input
);
2696 set_error( STATUS_INVALID_PARAMETER
);
2698 if (thread
) release_object( thread
);
2700 reply
->new_x
= desktop
->cursor
.x
;
2701 reply
->new_y
= desktop
->cursor
.y
;
2702 release_object( desktop
);
2705 /* post a quit message to the current queue */
2706 DECL_HANDLER(post_quit_message
)
2708 struct msg_queue
*queue
= get_current_queue();
2713 queue
->quit_message
= 1;
2714 queue
->exit_code
= req
->exit_code
;
2715 set_queue_bits( queue
, QS_POSTMESSAGE
|QS_ALLPOSTMESSAGE
);
2718 /* get a message from the current queue */
2719 DECL_HANDLER(get_message
)
2721 struct timer
*timer
;
2723 struct msg_queue
*queue
= get_current_queue();
2724 user_handle_t get_win
= get_user_full_handle( req
->get_win
);
2725 unsigned int filter
= req
->flags
>> 16;
2727 reply
->active_hooks
= get_active_hooks();
2729 if (get_win
&& get_win
!= 1 && get_win
!= -1 && !get_user_object( get_win
, USER_WINDOW
))
2731 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
2736 queue
->last_get_msg
= current_time
;
2737 if (!filter
) filter
= QS_ALLINPUT
;
2739 /* first check for sent messages */
2740 if ((ptr
= list_head( &queue
->msg_list
[SEND_MESSAGE
] )))
2742 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
2743 receive_message( queue
, msg
, reply
);
2747 /* clear changed bits so we can wait on them if we don't find a message */
2748 if (filter
& QS_POSTMESSAGE
)
2750 queue
->changed_bits
&= ~(QS_POSTMESSAGE
| QS_HOTKEY
| QS_TIMER
);
2751 if (req
->get_first
== 0 && req
->get_last
== ~0U) queue
->changed_bits
&= ~QS_ALLPOSTMESSAGE
;
2753 if (filter
& QS_INPUT
) queue
->changed_bits
&= ~QS_INPUT
;
2754 if (filter
& QS_PAINT
) queue
->changed_bits
&= ~QS_PAINT
;
2756 /* then check for posted messages */
2757 if ((filter
& QS_POSTMESSAGE
) &&
2758 get_posted_message( queue
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2761 if ((filter
& QS_HOTKEY
) && queue
->hotkey_count
&&
2762 req
->get_first
<= WM_HOTKEY
&& req
->get_last
>= WM_HOTKEY
&&
2763 get_posted_message( queue
, get_win
, WM_HOTKEY
, WM_HOTKEY
, req
->flags
, reply
))
2766 /* only check for quit messages if not posted messages pending */
2767 if ((filter
& QS_POSTMESSAGE
) && get_quit_message( queue
, req
->flags
, reply
))
2770 /* then check for any raw hardware message */
2771 if ((filter
& QS_INPUT
) &&
2772 filter_contains_hw_range( req
->get_first
, req
->get_last
) &&
2773 get_hardware_message( current
, req
->hw_id
, get_win
, req
->get_first
, req
->get_last
, req
->flags
, reply
))
2776 /* check for any internal driver message */
2777 if (get_hardware_message( current
, req
->hw_id
, get_win
, WM_WINE_FIRST_DRIVER_MSG
,
2778 WM_WINE_LAST_DRIVER_MSG
, req
->flags
, reply
))
2781 /* now check for WM_PAINT */
2782 if ((filter
& QS_PAINT
) &&
2783 queue
->paint_count
&&
2784 check_msg_filter( WM_PAINT
, req
->get_first
, req
->get_last
) &&
2785 (reply
->win
= find_window_to_repaint( get_win
, current
)))
2787 reply
->type
= MSG_POSTED
;
2788 reply
->msg
= WM_PAINT
;
2791 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2795 /* now check for timer */
2796 if ((filter
& QS_TIMER
) &&
2797 (timer
= find_expired_timer( queue
, get_win
, req
->get_first
,
2798 req
->get_last
, (req
->flags
& PM_REMOVE
) )))
2800 reply
->type
= MSG_POSTED
;
2801 reply
->win
= timer
->win
;
2802 reply
->msg
= timer
->msg
;
2803 reply
->wparam
= timer
->id
;
2804 reply
->lparam
= timer
->lparam
;
2805 get_message_defaults( queue
, &reply
->x
, &reply
->y
, &reply
->time
);
2806 if (!(req
->flags
& PM_NOYIELD
) && current
->process
->idle_event
)
2807 set_event( current
->process
->idle_event
);
2811 if (get_win
== -1 && current
->process
->idle_event
) set_event( current
->process
->idle_event
);
2812 queue
->wake_mask
= req
->wake_mask
;
2813 queue
->changed_mask
= req
->changed_mask
;
2814 set_error( STATUS_PENDING
); /* FIXME */
2818 /* reply to a sent message */
2819 DECL_HANDLER(reply_message
)
2821 if (!current
->queue
) set_error( STATUS_ACCESS_DENIED
);
2822 else if (current
->queue
->recv_result
)
2823 reply_message( current
->queue
, req
->result
, 0, req
->remove
,
2824 get_req_data(), get_req_data_size() );
2828 /* accept the current hardware message */
2829 DECL_HANDLER(accept_hardware_message
)
2832 release_hardware_message( current
->queue
, req
->hw_id
);
2834 set_error( STATUS_ACCESS_DENIED
);
2838 /* retrieve the reply for the last message sent */
2839 DECL_HANDLER(get_message_reply
)
2841 struct message_result
*result
;
2843 struct msg_queue
*queue
= current
->queue
;
2847 set_error( STATUS_PENDING
);
2850 if (!(entry
= list_head( &queue
->send_result
))) return; /* no reply ready */
2852 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2853 if (result
->replied
|| req
->cancel
)
2855 if (result
->replied
)
2857 reply
->result
= result
->result
;
2858 set_error( result
->error
);
2861 data_size_t data_len
= min( result
->data_size
, get_reply_max_size() );
2862 set_reply_data_ptr( result
->data
, data_len
);
2863 result
->data
= NULL
;
2864 result
->data_size
= 0;
2867 remove_result_from_sender( result
);
2869 entry
= list_head( &queue
->send_result
);
2870 if (!entry
) clear_queue_bits( queue
, QS_SMRESULT
);
2873 result
= LIST_ENTRY( entry
, struct message_result
, sender_entry
);
2874 if (result
->replied
) set_queue_bits( queue
, QS_SMRESULT
);
2875 else clear_queue_bits( queue
, QS_SMRESULT
);
2879 else set_error( STATUS_ACCESS_DENIED
);
2883 /* set a window timer */
2884 DECL_HANDLER(set_win_timer
)
2886 struct timer
*timer
;
2887 struct msg_queue
*queue
;
2888 struct thread
*thread
= NULL
;
2889 user_handle_t win
= 0;
2890 lparam_t id
= req
->id
;
2894 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2896 set_error( STATUS_INVALID_HANDLE
);
2899 if (thread
->process
!= current
->process
)
2901 release_object( thread
);
2902 set_error( STATUS_ACCESS_DENIED
);
2905 queue
= thread
->queue
;
2906 /* remove it if it existed already */
2907 if ((timer
= find_timer( queue
, win
, req
->msg
, id
))) free_timer( queue
, timer
);
2911 queue
= get_current_queue();
2912 /* look for a timer with this id */
2913 if (id
&& (timer
= find_timer( queue
, 0, req
->msg
, id
)))
2915 /* free and reuse id */
2916 free_timer( queue
, timer
);
2920 lparam_t end_id
= queue
->next_timer_id
;
2922 /* find a free id for it */
2925 id
= queue
->next_timer_id
;
2926 if (--queue
->next_timer_id
<= 0x100) queue
->next_timer_id
= 0x7fff;
2928 if (!find_timer( queue
, 0, req
->msg
, id
)) break;
2929 if (queue
->next_timer_id
== end_id
)
2931 set_win32_error( ERROR_NO_MORE_USER_HANDLES
);
2938 if ((timer
= set_timer( queue
, req
->rate
)))
2941 timer
->msg
= req
->msg
;
2943 timer
->lparam
= req
->lparam
;
2946 if (thread
) release_object( thread
);
2949 /* kill a window timer */
2950 DECL_HANDLER(kill_win_timer
)
2952 struct timer
*timer
;
2953 struct thread
*thread
;
2954 user_handle_t win
= 0;
2958 if (!(win
= get_user_full_handle( req
->win
)) || !(thread
= get_window_thread( win
)))
2960 set_error( STATUS_INVALID_HANDLE
);
2963 if (thread
->process
!= current
->process
)
2965 release_object( thread
);
2966 set_error( STATUS_ACCESS_DENIED
);
2970 else thread
= (struct thread
*)grab_object( current
);
2972 if (thread
->queue
&& (timer
= find_timer( thread
->queue
, win
, req
->msg
, req
->id
)))
2973 free_timer( thread
->queue
, timer
);
2975 set_error( STATUS_INVALID_PARAMETER
);
2977 release_object( thread
);
2980 DECL_HANDLER(register_hotkey
)
2982 struct desktop
*desktop
;
2983 user_handle_t win_handle
= req
->window
;
2984 struct hotkey
*hotkey
;
2985 struct hotkey
*new_hotkey
= NULL
;
2986 struct thread
*thread
;
2987 const int modifier_flags
= MOD_ALT
|MOD_CONTROL
|MOD_SHIFT
|MOD_WIN
;
2989 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
2993 if (!(win_handle
= get_valid_window_handle( win_handle
)))
2995 release_object( desktop
);
2999 thread
= get_window_thread( win_handle
);
3000 if (thread
) release_object( thread
);
3002 if (thread
!= current
)
3004 release_object( desktop
);
3005 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
3010 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
3012 if (req
->vkey
== hotkey
->vkey
&&
3013 (req
->flags
& modifier_flags
) == (hotkey
->flags
& modifier_flags
))
3015 release_object( desktop
);
3016 set_win32_error( ERROR_HOTKEY_ALREADY_REGISTERED
);
3019 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
3020 new_hotkey
= hotkey
;
3025 reply
->replaced
= 1;
3026 reply
->flags
= new_hotkey
->flags
;
3027 reply
->vkey
= new_hotkey
->vkey
;
3031 new_hotkey
= mem_alloc( sizeof(*new_hotkey
) );
3034 list_add_tail( &desktop
->hotkeys
, &new_hotkey
->entry
);
3035 new_hotkey
->queue
= current
->queue
;
3036 new_hotkey
->win
= win_handle
;
3037 new_hotkey
->id
= req
->id
;
3043 new_hotkey
->flags
= req
->flags
;
3044 new_hotkey
->vkey
= req
->vkey
;
3047 release_object( desktop
);
3050 DECL_HANDLER(unregister_hotkey
)
3052 struct desktop
*desktop
;
3053 user_handle_t win_handle
= req
->window
;
3054 struct hotkey
*hotkey
;
3055 struct thread
*thread
;
3057 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3061 if (!(win_handle
= get_valid_window_handle( win_handle
)))
3063 release_object( desktop
);
3067 thread
= get_window_thread( win_handle
);
3068 if (thread
) release_object( thread
);
3070 if (thread
!= current
)
3072 release_object( desktop
);
3073 set_win32_error( ERROR_WINDOW_OF_OTHER_THREAD
);
3078 LIST_FOR_EACH_ENTRY( hotkey
, &desktop
->hotkeys
, struct hotkey
, entry
)
3080 if (current
->queue
== hotkey
->queue
&& win_handle
== hotkey
->win
&& req
->id
== hotkey
->id
)
3084 release_object( desktop
);
3085 set_win32_error( ERROR_HOTKEY_NOT_REGISTERED
);
3089 reply
->flags
= hotkey
->flags
;
3090 reply
->vkey
= hotkey
->vkey
;
3091 list_remove( &hotkey
->entry
);
3093 release_object( desktop
);
3096 /* attach (or detach) thread inputs */
3097 DECL_HANDLER(attach_thread_input
)
3099 struct thread
*thread_from
= get_thread_from_id( req
->tid_from
);
3100 struct thread
*thread_to
= get_thread_from_id( req
->tid_to
);
3102 if (!thread_from
|| !thread_to
)
3104 if (thread_from
) release_object( thread_from
);
3105 if (thread_to
) release_object( thread_to
);
3108 if (thread_from
!= thread_to
)
3112 if ((thread_to
->queue
|| thread_to
== current
) &&
3113 (thread_from
->queue
|| thread_from
== current
))
3114 attach_thread_input( thread_from
, thread_to
);
3116 set_error( STATUS_INVALID_PARAMETER
);
3120 if (thread_from
->queue
&& thread_to
->queue
&&
3121 thread_from
->queue
->input
== thread_to
->queue
->input
)
3122 detach_thread_input( thread_from
);
3124 set_error( STATUS_ACCESS_DENIED
);
3127 else set_error( STATUS_ACCESS_DENIED
);
3128 release_object( thread_from
);
3129 release_object( thread_to
);
3133 /* get thread input data */
3134 DECL_HANDLER(get_thread_input
)
3136 struct thread
*thread
= NULL
;
3137 struct desktop
*desktop
;
3138 struct thread_input
*input
;
3142 if (!(thread
= get_thread_from_id( req
->tid
))) return;
3143 if (!(desktop
= get_thread_desktop( thread
, 0 )))
3145 release_object( thread
);
3148 input
= thread
->queue
? thread
->queue
->input
: NULL
;
3152 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3153 input
= desktop
->foreground_input
; /* get the foreground thread info */
3158 reply
->focus
= input
->focus
;
3159 reply
->capture
= input
->capture
;
3160 reply
->active
= input
->active
;
3161 reply
->menu_owner
= input
->menu_owner
;
3162 reply
->move_size
= input
->move_size
;
3163 reply
->caret
= input
->caret
;
3164 reply
->cursor
= input
->cursor
;
3165 reply
->show_count
= input
->cursor_count
;
3166 reply
->rect
= input
->caret_rect
;
3169 /* foreground window is active window of foreground thread */
3170 reply
->foreground
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
3171 if (thread
) release_object( thread
);
3172 release_object( desktop
);
3176 /* retrieve queue keyboard state for current thread or global async state */
3177 DECL_HANDLER(get_key_state
)
3179 struct desktop
*desktop
;
3180 data_size_t size
= min( 256, get_reply_max_size() );
3182 if (req
->async
) /* get global async key state */
3184 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3187 reply
->state
= desktop
->keystate
[req
->key
& 0xff];
3188 desktop
->keystate
[req
->key
& 0xff] &= ~0x40;
3190 set_reply_data( desktop
->keystate
, size
);
3191 release_object( desktop
);
3195 struct msg_queue
*queue
= get_current_queue();
3196 unsigned char *keystate
= queue
->input
->keystate
;
3199 sync_input_keystate( queue
->input
);
3200 reply
->state
= keystate
[req
->key
& 0xff];
3202 set_reply_data( keystate
, size
);
3207 /* set queue keyboard state for current thread */
3208 DECL_HANDLER(set_key_state
)
3210 struct desktop
*desktop
;
3211 struct msg_queue
*queue
= get_current_queue();
3212 data_size_t size
= min( 256, get_req_data_size() );
3214 memcpy( queue
->input
->keystate
, get_req_data(), size
);
3215 memcpy( queue
->input
->desktop_keystate
, queue
->input
->desktop
->keystate
, 256 );
3216 if (req
->async
&& (desktop
= get_thread_desktop( current
, 0 )))
3218 memcpy( desktop
->keystate
, get_req_data(), size
);
3219 release_object( desktop
);
3224 /* set the system foreground window */
3225 DECL_HANDLER(set_foreground_window
)
3227 struct thread
*thread
= NULL
;
3228 struct desktop
*desktop
;
3229 struct msg_queue
*queue
= get_current_queue();
3231 if (!(desktop
= get_thread_desktop( current
, 0 ))) return;
3232 reply
->previous
= desktop
->foreground_input
? desktop
->foreground_input
->active
: 0;
3233 reply
->send_msg_old
= (reply
->previous
&& desktop
->foreground_input
!= queue
->input
);
3234 reply
->send_msg_new
= FALSE
;
3236 if (is_valid_foreground_window( req
->handle
) &&
3237 (thread
= get_window_thread( req
->handle
)) &&
3238 thread
->queue
->input
->desktop
== desktop
)
3240 set_foreground_input( desktop
, thread
->queue
->input
);
3241 reply
->send_msg_new
= (desktop
->foreground_input
!= queue
->input
);
3243 else set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
3245 if (thread
) release_object( thread
);
3246 release_object( desktop
);
3250 /* set the current thread focus window */
3251 DECL_HANDLER(set_focus_window
)
3253 struct msg_queue
*queue
= get_current_queue();
3255 reply
->previous
= 0;
3256 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3258 reply
->previous
= queue
->input
->focus
;
3259 queue
->input
->focus
= get_user_full_handle( req
->handle
);
3264 /* set the current thread active window */
3265 DECL_HANDLER(set_active_window
)
3267 struct msg_queue
*queue
= get_current_queue();
3269 reply
->previous
= 0;
3270 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3272 if (!req
->handle
|| make_window_active( req
->handle
))
3274 reply
->previous
= queue
->input
->active
;
3275 queue
->input
->active
= get_user_full_handle( req
->handle
);
3277 else set_error( STATUS_INVALID_HANDLE
);
3282 /* set the current thread capture window */
3283 DECL_HANDLER(set_capture_window
)
3285 struct msg_queue
*queue
= get_current_queue();
3287 reply
->previous
= reply
->full_handle
= 0;
3288 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3290 struct thread_input
*input
= queue
->input
;
3292 /* if in menu mode, reject all requests to change focus, except if the menu bit is set */
3293 if (input
->menu_owner
&& !(req
->flags
& CAPTURE_MENU
))
3295 set_error(STATUS_ACCESS_DENIED
);
3298 reply
->previous
= input
->capture
;
3299 input
->capture
= get_user_full_handle( req
->handle
);
3300 input
->menu_owner
= (req
->flags
& CAPTURE_MENU
) ? input
->capture
: 0;
3301 input
->move_size
= (req
->flags
& CAPTURE_MOVESIZE
) ? input
->capture
: 0;
3302 reply
->full_handle
= input
->capture
;
3307 /* Set the current thread caret window */
3308 DECL_HANDLER(set_caret_window
)
3310 struct msg_queue
*queue
= get_current_queue();
3312 reply
->previous
= 0;
3313 if (queue
&& check_queue_input_window( queue
, req
->handle
))
3315 struct thread_input
*input
= queue
->input
;
3317 reply
->previous
= input
->caret
;
3318 reply
->old_rect
= input
->caret_rect
;
3319 reply
->old_hide
= input
->caret_hide
;
3320 reply
->old_state
= input
->caret_state
;
3322 set_caret_window( input
, get_user_full_handle(req
->handle
) );
3323 input
->caret_rect
.right
= input
->caret_rect
.left
+ req
->width
;
3324 input
->caret_rect
.bottom
= input
->caret_rect
.top
+ req
->height
;
3329 /* Set the current thread caret information */
3330 DECL_HANDLER(set_caret_info
)
3332 struct msg_queue
*queue
= get_current_queue();
3333 struct thread_input
*input
;
3336 input
= queue
->input
;
3337 reply
->full_handle
= input
->caret
;
3338 reply
->old_rect
= input
->caret_rect
;
3339 reply
->old_hide
= input
->caret_hide
;
3340 reply
->old_state
= input
->caret_state
;
3342 if (req
->handle
&& get_user_full_handle(req
->handle
) != input
->caret
)
3344 set_error( STATUS_ACCESS_DENIED
);
3347 if (req
->flags
& SET_CARET_POS
)
3349 input
->caret_rect
.right
+= req
->x
- input
->caret_rect
.left
;
3350 input
->caret_rect
.bottom
+= req
->y
- input
->caret_rect
.top
;
3351 input
->caret_rect
.left
= req
->x
;
3352 input
->caret_rect
.top
= req
->y
;
3354 if (req
->flags
& SET_CARET_HIDE
)
3356 input
->caret_hide
+= req
->hide
;
3357 if (input
->caret_hide
< 0) input
->caret_hide
= 0;
3359 if (req
->flags
& SET_CARET_STATE
)
3363 case CARET_STATE_OFF
: input
->caret_state
= 0; break;
3364 case CARET_STATE_ON
: input
->caret_state
= 1; break;
3365 case CARET_STATE_TOGGLE
: input
->caret_state
= !input
->caret_state
; break;
3366 case CARET_STATE_ON_IF_MOVED
:
3367 if (req
->x
!= reply
->old_rect
.left
|| req
->y
!= reply
->old_rect
.top
) input
->caret_state
= 1;
3374 /* get the time of the last input event */
3375 DECL_HANDLER(get_last_input_time
)
3377 reply
->time
= last_input_time
;
3380 /* set/get the current cursor */
3381 DECL_HANDLER(set_cursor
)
3383 struct msg_queue
*queue
= get_current_queue();
3384 struct thread_input
*input
;
3385 struct desktop
*desktop
;
3388 input
= queue
->input
;
3389 desktop
= input
->desktop
;
3391 reply
->prev_handle
= input
->cursor
;
3392 reply
->prev_count
= input
->cursor_count
;
3393 reply
->prev_x
= desktop
->cursor
.x
;
3394 reply
->prev_y
= desktop
->cursor
.y
;
3396 if (req
->flags
& SET_CURSOR_HANDLE
)
3398 if (req
->handle
&& !get_user_object( req
->handle
, USER_CLIENT
))
3400 set_win32_error( ERROR_INVALID_CURSOR_HANDLE
);
3403 input
->cursor
= req
->handle
;
3405 if (req
->flags
& SET_CURSOR_COUNT
)
3407 queue
->cursor_count
+= req
->show_count
;
3408 input
->cursor_count
+= req
->show_count
;
3410 if (req
->flags
& SET_CURSOR_POS
) set_cursor_pos( desktop
, req
->x
, req
->y
);
3411 if (req
->flags
& SET_CURSOR_CLIP
) set_clip_rectangle( desktop
, &req
->clip
, req
->flags
, 0 );
3412 if (req
->flags
& SET_CURSOR_NOCLIP
) set_clip_rectangle( desktop
, NULL
, SET_CURSOR_NOCLIP
, 0 );
3414 if (req
->flags
& (SET_CURSOR_HANDLE
| SET_CURSOR_COUNT
))
3415 update_desktop_cursor_handle( desktop
, input
);
3417 reply
->new_x
= desktop
->cursor
.x
;
3418 reply
->new_y
= desktop
->cursor
.y
;
3419 reply
->new_clip
= desktop
->cursor
.clip
;
3420 reply
->last_change
= desktop
->cursor
.last_change
;
3423 /* Get the history of the 64 last cursor positions */
3424 DECL_HANDLER(get_cursor_history
)
3427 unsigned int i
, count
= min( 64, get_reply_max_size() / sizeof(*pos
) );
3429 if ((pos
= set_reply_data_size( count
* sizeof(*pos
) )))
3430 for (i
= 0; i
< count
; i
++)
3431 pos
[i
] = cursor_history
[(i
+ cursor_history_latest
) % ARRAY_SIZE(cursor_history
)];
3434 DECL_HANDLER(get_rawinput_buffer
)
3436 struct thread_input
*input
= current
->queue
->input
;
3437 data_size_t size
= 0, next_size
= 0, pos
= 0;
3440 int count
= 0, buf_size
= 16 * sizeof(struct hardware_msg_data
);
3442 if (!req
->buffer_size
) buf
= NULL
;
3443 else if (!(buf
= mem_alloc( buf_size
))) return;
3445 ptr
= list_head( &input
->msg_list
);
3448 struct message
*msg
= LIST_ENTRY( ptr
, struct message
, entry
);
3449 struct hardware_msg_data
*data
= msg
->data
;
3450 data_size_t extra_size
= data
->size
- sizeof(*data
);
3452 ptr
= list_next( &input
->msg_list
, ptr
);
3453 if (msg
->msg
!= WM_INPUT
) continue;
3455 next_size
= req
->rawinput_size
+ extra_size
;
3456 if (size
+ next_size
> req
->buffer_size
) break;
3457 if (pos
+ data
->size
> get_reply_max_size()) break;
3458 if (pos
+ data
->size
> buf_size
)
3460 buf_size
+= buf_size
/ 2 + extra_size
;
3461 if (!(tmp
= realloc( buf
, buf_size
)))
3464 set_error( STATUS_NO_MEMORY
);
3470 memcpy( buf
+ pos
, data
, data
->size
);
3471 list_remove( &msg
->entry
);
3472 free_message( msg
);
3475 pos
+= sizeof(*data
) + extra_size
;
3479 reply
->next_size
= next_size
;
3480 reply
->count
= count
;
3481 set_reply_data_ptr( buf
, pos
);
3484 DECL_HANDLER(update_rawinput_devices
)
3486 const struct rawinput_device
*tmp
, *devices
= get_req_data();
3487 unsigned int device_count
= get_req_data_size() / sizeof (*devices
);
3488 size_t size
= device_count
* sizeof(*devices
);
3489 struct process
*process
= current
->process
;
3493 process
->rawinput_device_count
= 0;
3494 process
->rawinput_mouse
= NULL
;
3495 process
->rawinput_kbd
= NULL
;
3499 if (!(tmp
= realloc( process
->rawinput_devices
, size
)))
3501 set_error( STATUS_NO_MEMORY
);
3504 process
->rawinput_devices
= (struct rawinput_device
*)tmp
;
3505 process
->rawinput_device_count
= device_count
;
3506 memcpy( process
->rawinput_devices
, devices
, size
);
3508 process
->rawinput_mouse
= find_rawinput_device( process
, 1, 2 );
3509 process
->rawinput_kbd
= find_rawinput_device( process
, 1, 6 );