2 * Server-side console management
4 * Copyright (C) 1998 Alexandre Julliard
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "wine/port.h"
39 static void console_input_dump( struct object
*obj
, int verbose
);
40 static void console_input_destroy( struct object
*obj
);
41 static int console_input_signaled( struct object
*obj
, struct thread
*thread
);
43 static const struct object_ops console_input_ops
=
45 sizeof(struct console_input
), /* size */
46 console_input_dump
, /* dump */
47 add_queue
, /* add_queue */
48 remove_queue
, /* remove_queue */
49 console_input_signaled
, /* signaled */
50 no_satisfied
, /* satisfied */
51 no_get_fd
, /* get_fd */
52 console_input_destroy
/* destroy */
55 static void console_input_events_dump( struct object
*obj
, int verbose
);
56 static void console_input_events_destroy( struct object
*obj
);
57 static int console_input_events_signaled( struct object
*obj
, struct thread
*thread
);
59 struct console_input_events
61 struct object obj
; /* object header */
62 int num_alloc
; /* number of allocated events */
63 int num_used
; /* number of actually used events */
64 struct console_renderer_event
* events
;
67 static const struct object_ops console_input_events_ops
=
69 sizeof(struct console_input_events
), /* size */
70 console_input_events_dump
, /* dump */
71 add_queue
, /* add_queue */
72 remove_queue
, /* remove_queue */
73 console_input_events_signaled
, /* signaled */
74 no_satisfied
, /* satisfied */
75 no_get_fd
, /* get_fd */
76 console_input_events_destroy
/* destroy */
81 struct object obj
; /* object header */
82 struct screen_buffer
*next
; /* linked list of all screen buffers */
83 struct screen_buffer
*prev
;
84 struct console_input
*input
; /* associated console input */
85 int mode
; /* output mode */
86 int cursor_size
; /* size of cursor (percentage filled) */
87 int cursor_visible
;/* cursor visibility flag */
88 int cursor_x
; /* position of cursor */
89 int cursor_y
; /* position of cursor */
90 int width
; /* size (w-h) of the screen buffer */
92 int max_width
; /* size (w-h) of the window given font size */
94 char_info_t
*data
; /* the data for each cell - a width x height matrix */
95 unsigned short attr
; /* default attribute for screen buffer */
96 rectangle_t win
; /* current visible window on the screen buffer *
97 * as seen in wineconsole */
100 static void screen_buffer_dump( struct object
*obj
, int verbose
);
101 static void screen_buffer_destroy( struct object
*obj
);
103 static const struct object_ops screen_buffer_ops
=
105 sizeof(struct screen_buffer
), /* size */
106 screen_buffer_dump
, /* dump */
107 no_add_queue
, /* add_queue */
108 NULL
, /* remove_queue */
110 NULL
, /* satisfied */
111 no_get_fd
, /* get_fd */
112 screen_buffer_destroy
/* destroy */
115 static struct screen_buffer
*screen_buffer_list
;
117 static const char_info_t empty_char_info
= { ' ', 0x000f }; /* white on black space */
119 /* dumps the renderer events of a console */
120 static void console_input_events_dump( struct object
*obj
, int verbose
)
122 struct console_input_events
*evts
= (struct console_input_events
*)obj
;
123 assert( obj
->ops
== &console_input_events_ops
);
124 fprintf( stderr
, "Console input events: %d/%d events\n",
125 evts
->num_used
, evts
->num_alloc
);
128 /* destroys the renderer events of a console */
129 static void console_input_events_destroy( struct object
*obj
)
131 struct console_input_events
*evts
= (struct console_input_events
*)obj
;
132 assert( obj
->ops
== &console_input_events_ops
);
133 free( evts
->events
);
136 /* the renderer events list is signaled when it's not empty */
137 static int console_input_events_signaled( struct object
*obj
, struct thread
*thread
)
139 struct console_input_events
*evts
= (struct console_input_events
*)obj
;
140 assert( obj
->ops
== &console_input_events_ops
);
141 return (evts
->num_used
!= 0);
144 /* add an event to the console's renderer events list */
145 static void console_input_events_append( struct console_input_events
* evts
,
146 struct console_renderer_event
* evt
)
148 int collapsed
= FALSE
;
150 /* to be done even when evt has been generated by the rendere ? */
152 /* try to collapse evt into current queue's events */
155 struct console_renderer_event
* last
= &evts
->events
[evts
->num_used
- 1];
157 if (last
->event
== CONSOLE_RENDERER_UPDATE_EVENT
&&
158 evt
->event
== CONSOLE_RENDERER_UPDATE_EVENT
)
160 /* if two update events overlap, collapse them into a single one */
161 if (last
->u
.update
.bottom
+ 1 >= evt
->u
.update
.top
&&
162 evt
->u
.update
.bottom
+ 1 >= last
->u
.update
.top
)
164 last
->u
.update
.top
= min(last
->u
.update
.top
, evt
->u
.update
.top
);
165 last
->u
.update
.bottom
= max(last
->u
.update
.bottom
, evt
->u
.update
.bottom
);
172 if (evts
->num_used
== evts
->num_alloc
)
174 evts
->num_alloc
+= 16;
175 evts
->events
= realloc( evts
->events
, evts
->num_alloc
* sizeof(*evt
) );
176 assert(evts
->events
);
178 evts
->events
[evts
->num_used
++] = *evt
;
180 wake_up( &evts
->obj
, 0 );
183 /* retrieves events from the console's renderer events list */
184 static void console_input_events_get( struct console_input_events
* evts
)
186 size_t num
= get_reply_max_size() / sizeof(evts
->events
[0]);
188 if (num
> evts
->num_used
) num
= evts
->num_used
;
189 set_reply_data( evts
->events
, num
* sizeof(evts
->events
[0]) );
190 if (num
< evts
->num_used
)
192 memmove( &evts
->events
[0], &evts
->events
[num
],
193 (evts
->num_used
- num
) * sizeof(evts
->events
[0]) );
195 evts
->num_used
-= num
;
198 static struct console_input_events
*create_console_input_events(void)
200 struct console_input_events
* evt
;
202 if (!(evt
= alloc_object( &console_input_events_ops
, -1 ))) return NULL
;
203 evt
->num_alloc
= evt
->num_used
= 0;
208 static struct object
*create_console_input( struct thread
* renderer
)
210 struct console_input
*console_input
;
212 if (!(console_input
= alloc_object( &console_input_ops
, -1 ))) return NULL
;
213 console_input
->renderer
= renderer
;
214 console_input
->mode
= ENABLE_PROCESSED_INPUT
| ENABLE_LINE_INPUT
|
215 ENABLE_ECHO_INPUT
| ENABLE_MOUSE_INPUT
;
216 console_input
->num_proc
= 0;
217 console_input
->active
= NULL
;
218 console_input
->recnum
= 0;
219 console_input
->records
= NULL
;
220 console_input
->evt
= create_console_input_events();
221 console_input
->title
= NULL
;
222 console_input
->history_size
= 50;
223 console_input
->history
= calloc( console_input
->history_size
, sizeof(WCHAR
*) );
224 console_input
->history_index
= 0;
225 console_input
->history_mode
= 0;
226 console_input
->edition_mode
= 0;
228 if (!console_input
->history
|| !console_input
->evt
)
230 release_object( console_input
);
233 return &console_input
->obj
;
236 static struct screen_buffer
*create_console_output( struct console_input
*console_input
)
238 struct screen_buffer
*screen_buffer
;
239 struct console_renderer_event evt
;
242 if (!(screen_buffer
= alloc_object( &screen_buffer_ops
, -1 ))) return NULL
;
243 screen_buffer
->mode
= ENABLE_PROCESSED_OUTPUT
| ENABLE_WRAP_AT_EOL_OUTPUT
;
244 screen_buffer
->input
= console_input
;
245 screen_buffer
->cursor_size
= 100;
246 screen_buffer
->cursor_visible
= 1;
247 screen_buffer
->width
= 80;
248 screen_buffer
->height
= 150;
249 screen_buffer
->max_width
= 80;
250 screen_buffer
->max_height
= 25;
251 screen_buffer
->cursor_x
= 0;
252 screen_buffer
->cursor_y
= 0;
253 screen_buffer
->attr
= 0x0F;
254 screen_buffer
->win
.left
= 0;
255 screen_buffer
->win
.right
= screen_buffer
->max_width
- 1;
256 screen_buffer
->win
.top
= 0;
257 screen_buffer
->win
.bottom
= screen_buffer
->max_height
- 1;
259 if ((screen_buffer
->next
= screen_buffer_list
)) screen_buffer
->next
->prev
= screen_buffer
;
260 screen_buffer
->prev
= NULL
;
261 screen_buffer_list
= screen_buffer
;
263 if (!(screen_buffer
->data
= malloc( screen_buffer
->width
* screen_buffer
->height
*
264 sizeof(*screen_buffer
->data
) )))
266 release_object( screen_buffer
);
269 /* clear the first row */
270 for (i
= 0; i
< screen_buffer
->width
; i
++) screen_buffer
->data
[i
] = empty_char_info
;
271 /* and copy it to all other rows */
272 for (i
= 1; i
< screen_buffer
->height
; i
++)
273 memcpy( &screen_buffer
->data
[i
* screen_buffer
->width
], screen_buffer
->data
,
274 screen_buffer
->width
* sizeof(char_info_t
) );
276 if (!console_input
->active
)
278 console_input
->active
= (struct screen_buffer
*)grab_object( screen_buffer
);
280 /* generate the initial events */
281 evt
.event
= CONSOLE_RENDERER_ACTIVE_SB_EVENT
;
282 console_input_events_append( console_input
->evt
, &evt
);
284 evt
.event
= CONSOLE_RENDERER_SB_RESIZE_EVENT
;
285 evt
.u
.resize
.width
= screen_buffer
->width
;
286 evt
.u
.resize
.height
= screen_buffer
->height
;
287 console_input_events_append( console_input
->evt
, &evt
);
289 evt
.event
= CONSOLE_RENDERER_DISPLAY_EVENT
;
290 evt
.u
.display
.left
= screen_buffer
->win
.left
;
291 evt
.u
.display
.top
= screen_buffer
->win
.top
;
292 evt
.u
.display
.width
= screen_buffer
->win
.right
- screen_buffer
->win
.left
+ 1;
293 evt
.u
.display
.height
= screen_buffer
->win
.bottom
- screen_buffer
->win
.top
+ 1;
294 console_input_events_append( console_input
->evt
, &evt
);
296 evt
.event
= CONSOLE_RENDERER_UPDATE_EVENT
;
297 evt
.u
.update
.top
= 0;
298 evt
.u
.update
.bottom
= screen_buffer
->height
- 1;
299 console_input_events_append( console_input
->evt
, &evt
);
301 evt
.event
= CONSOLE_RENDERER_CURSOR_GEOM_EVENT
;
302 evt
.u
.cursor_geom
.size
= screen_buffer
->cursor_size
;
303 evt
.u
.cursor_geom
.visible
= screen_buffer
->cursor_visible
;
304 console_input_events_append( console_input
->evt
, &evt
);
306 evt
.event
= CONSOLE_RENDERER_CURSOR_POS_EVENT
;
307 evt
.u
.cursor_pos
.x
= screen_buffer
->cursor_x
;
308 evt
.u
.cursor_pos
.y
= screen_buffer
->cursor_y
;
309 console_input_events_append( console_input
->evt
, &evt
);
311 return screen_buffer
;
314 /* free the console for this process */
315 int free_console( struct process
*process
)
317 struct console_input
* console
= process
->console
;
319 if (!console
|| !console
->renderer
) return 0;
321 process
->console
= NULL
;
322 if (--console
->num_proc
== 0)
324 /* all processes have terminated... tell the renderer to terminate too */
325 struct console_renderer_event evt
;
326 evt
.event
= CONSOLE_RENDERER_EXIT_EVENT
;
327 console_input_events_append( console
->evt
, &evt
);
329 release_object( console
);
334 /* let process inherit the console from parent... this handle two cases :
335 * 1/ generic console inheritance
336 * 2/ parent is a renderer which launches process, and process should attach to the console
337 * renderered by parent
339 void inherit_console(struct thread
*parent_thread
, struct process
*process
, obj_handle_t hconin
)
342 struct process
* parent
= parent_thread
->process
;
344 /* if parent is a renderer, then attach current process to its console
349 struct console_input
* console
;
351 if ((console
= (struct console_input
*)get_handle_obj( parent
, hconin
, 0, NULL
)))
353 if (console
->renderer
== parent_thread
)
355 process
->console
= (struct console_input
*)grab_object( console
);
356 process
->console
->num_proc
++;
359 release_object( console
);
362 /* otherwise, if parent has a console, attach child to this console */
363 if (!done
&& parent
->console
)
365 assert(parent
->console
->renderer
);
366 process
->console
= (struct console_input
*)grab_object( parent
->console
);
367 process
->console
->num_proc
++;
371 int is_console_object( struct object
*obj
)
373 return (obj
->ops
== &console_input_ops
|| obj
->ops
== &screen_buffer_ops
);
376 static struct console_input
* console_input_get( obj_handle_t handle
, unsigned access
)
378 struct console_input
* console
= 0;
381 console
= (struct console_input
*)get_handle_obj( current
->process
, handle
,
382 access
, &console_input_ops
);
383 else if (current
->process
->console
)
385 assert( current
->process
->console
->renderer
);
386 console
= (struct console_input
*)grab_object( current
->process
->console
);
389 if (!console
&& !get_error()) set_error(STATUS_INVALID_PARAMETER
);
393 /* check if a console input is signaled: yes if non read input records */
394 static int console_input_signaled( struct object
*obj
, struct thread
*thread
)
396 struct console_input
*console
= (struct console_input
*)obj
;
397 assert( obj
->ops
== &console_input_ops
);
398 return console
->recnum
? 1 : 0;
401 struct console_signal_info
{
402 struct console_input
*console
;
407 static int propagate_console_signal_cb(struct process
*process
, void *user
)
409 struct console_signal_info
* csi
= (struct console_signal_info
*)user
;
411 if (process
->console
== csi
->console
&& process
->running_threads
&&
412 (!csi
->group
|| process
->group_id
== csi
->group
))
414 struct thread
*thread
= process
->thread_list
;
418 struct thread
*next
= thread
->proc_next
;
419 kill( thread
->unix_pid
, csi
->signal
);
426 static void propagate_console_signal( struct console_input
*console
,
427 int sig
, process_id_t group_id
)
429 struct console_signal_info csi
;
433 set_error( STATUS_INVALID_PARAMETER
);
436 /* FIXME: should support the other events (like CTRL_BREAK) */
437 if (sig
!= CTRL_C_EVENT
)
439 set_error( STATUS_NOT_IMPLEMENTED
);
442 csi
.console
= console
;
444 csi
.group
= group_id
;
446 enum_processes(propagate_console_signal_cb
, &csi
);
449 static int get_console_mode( obj_handle_t handle
)
454 if ((obj
= get_handle_obj( current
->process
, handle
, GENERIC_READ
, NULL
)))
456 if (obj
->ops
== &console_input_ops
)
457 ret
= ((struct console_input
*)obj
)->mode
;
458 else if (obj
->ops
== &screen_buffer_ops
)
459 ret
= ((struct screen_buffer
*)obj
)->mode
;
461 set_error( STATUS_OBJECT_TYPE_MISMATCH
);
462 release_object( obj
);
467 /* changes the mode of either a console input or a screen buffer */
468 static int set_console_mode( obj_handle_t handle
, int mode
)
473 if (!(obj
= get_handle_obj( current
->process
, handle
, GENERIC_WRITE
, NULL
)))
475 if (obj
->ops
== &console_input_ops
)
477 /* FIXME: if we remove the edit mode bits, we need (???) to clean up the history */
478 ((struct console_input
*)obj
)->mode
= mode
;
481 else if (obj
->ops
== &screen_buffer_ops
)
483 ((struct screen_buffer
*)obj
)->mode
= mode
;
486 else set_error( STATUS_OBJECT_TYPE_MISMATCH
);
487 release_object( obj
);
491 /* add input events to a console input queue */
492 static int write_console_input( struct console_input
* console
, int count
,
493 const INPUT_RECORD
*records
)
495 INPUT_RECORD
*new_rec
;
497 if (!count
) return 0;
498 if (!(new_rec
= realloc( console
->records
,
499 (console
->recnum
+ count
) * sizeof(INPUT_RECORD
) )))
501 set_error( STATUS_NO_MEMORY
);
502 release_object( console
);
505 console
->records
= new_rec
;
506 memcpy( new_rec
+ console
->recnum
, records
, count
* sizeof(INPUT_RECORD
) );
508 if (console
->mode
& ENABLE_PROCESSED_INPUT
)
513 if (records
[i
].EventType
== KEY_EVENT
&&
514 records
[i
].Event
.KeyEvent
.uChar
.UnicodeChar
== 'C' - 64 &&
515 !(records
[i
].Event
.KeyEvent
.dwControlKeyState
& ENHANCED_KEY
))
518 memcpy( &console
->records
[console
->recnum
+ i
],
519 &console
->records
[console
->recnum
+ i
+ 1],
520 (count
- i
- 1) * sizeof(INPUT_RECORD
) );
522 if (records
[i
].Event
.KeyEvent
.bKeyDown
)
524 /* send SIGINT to all processes attached to this console */
525 propagate_console_signal( console
, CTRL_C_EVENT
, 0 );
531 console
->recnum
+= count
;
532 /* wake up all waiters */
533 wake_up( &console
->obj
, 0 );
537 /* retrieve a pointer to the console input records */
538 static int read_console_input( obj_handle_t handle
, int count
, int flush
)
540 struct console_input
*console
;
542 if (!(console
= (struct console_input
*)get_handle_obj( current
->process
, handle
,
543 GENERIC_READ
, &console_input_ops
)))
548 /* special case: do not retrieve anything, but return
549 * the total number of records available */
550 count
= console
->recnum
;
554 if (count
> console
->recnum
) count
= console
->recnum
;
555 set_reply_data( console
->records
, count
* sizeof(INPUT_RECORD
) );
560 for (i
= count
; i
< console
->recnum
; i
++)
561 console
->records
[i
-count
] = console
->records
[i
];
562 if ((console
->recnum
-= count
) > 0)
564 INPUT_RECORD
*new_rec
= realloc( console
->records
,
565 console
->recnum
* sizeof(INPUT_RECORD
) );
566 if (new_rec
) console
->records
= new_rec
;
570 free( console
->records
);
571 console
->records
= NULL
;
574 release_object( console
);
578 /* set misc console input information */
579 static int set_console_input_info( const struct set_console_input_info_request
*req
,
580 const WCHAR
*title
, size_t len
)
582 struct console_input
*console
;
583 struct console_renderer_event evt
;
585 if (!(console
= console_input_get( req
->handle
, GENERIC_WRITE
))) goto error
;
587 if (req
->mask
& SET_CONSOLE_INPUT_INFO_ACTIVE_SB
)
589 struct screen_buffer
*screen_buffer
;
591 screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, req
->active_sb
,
592 GENERIC_READ
, &screen_buffer_ops
);
593 if (!screen_buffer
|| screen_buffer
->input
!= console
)
595 set_error( STATUS_INVALID_PARAMETER
);
596 if (screen_buffer
) release_object( screen_buffer
);
600 if (screen_buffer
!= console
->active
)
602 if (console
->active
) release_object( console
->active
);
603 console
->active
= screen_buffer
;
604 evt
.event
= CONSOLE_RENDERER_ACTIVE_SB_EVENT
;
605 console_input_events_append( console
->evt
, &evt
);
608 release_object( screen_buffer
);
610 if (req
->mask
& SET_CONSOLE_INPUT_INFO_TITLE
)
612 WCHAR
*new_title
= mem_alloc( len
+ sizeof(WCHAR
) );
615 memcpy( new_title
, title
, len
+ sizeof(WCHAR
) );
616 new_title
[len
/ sizeof(WCHAR
)] = 0;
617 if (console
->title
) free( console
->title
);
618 console
->title
= new_title
;
619 evt
.event
= CONSOLE_RENDERER_TITLE_EVENT
;
620 console_input_events_append( console
->evt
, &evt
);
623 if (req
->mask
& SET_CONSOLE_INPUT_INFO_HISTORY_MODE
)
625 console
->history_mode
= req
->history_mode
;
627 if ((req
->mask
& SET_CONSOLE_INPUT_INFO_HISTORY_SIZE
) &&
628 console
->history_size
!= req
->history_size
)
634 if (req
->history_size
)
636 mem
= mem_alloc( req
->history_size
* sizeof(WCHAR
*) );
637 if (!mem
) goto error
;
638 memset( mem
, 0, req
->history_size
* sizeof(WCHAR
*) );
641 delta
= (console
->history_index
> req
->history_size
) ?
642 (console
->history_index
- req
->history_size
) : 0;
644 for (i
= delta
; i
< console
->history_index
; i
++)
646 mem
[i
- delta
] = console
->history
[i
];
647 console
->history
[i
] = NULL
;
649 console
->history_index
-= delta
;
651 for (i
= 0; i
< console
->history_size
; i
++)
652 if (console
->history
[i
]) free( console
->history
[i
] );
653 free( console
->history
);
654 console
->history
= mem
;
655 console
->history_size
= req
->history_size
;
657 if (req
->mask
& SET_CONSOLE_INPUT_INFO_EDITION_MODE
)
659 console
->edition_mode
= req
->edition_mode
;
661 release_object( console
);
664 if (console
) release_object( console
);
668 /* resize a screen buffer */
669 static int change_screen_buffer_size( struct screen_buffer
*screen_buffer
,
670 int new_width
, int new_height
)
672 int i
, old_width
, old_height
, copy_width
, copy_height
;
673 char_info_t
*new_data
;
675 if (!(new_data
= malloc( new_width
* new_height
* sizeof(*new_data
) )))
677 set_error( STATUS_NO_MEMORY
);
680 old_width
= screen_buffer
->width
;
681 old_height
= screen_buffer
->height
;
682 copy_width
= min( old_width
, new_width
);
683 copy_height
= min( old_height
, new_height
);
685 /* copy all the rows */
686 for (i
= 0; i
< copy_height
; i
++)
688 memcpy( &new_data
[i
* new_width
], &screen_buffer
->data
[i
* old_width
],
689 copy_width
* sizeof(char_info_t
) );
692 /* clear the end of each row */
693 if (new_width
> old_width
)
696 for (i
= old_width
; i
< new_width
; i
++) new_data
[i
] = empty_char_info
;
697 /* and blast it to the other rows */
698 for (i
= 1; i
< copy_height
; i
++)
699 memcpy( &new_data
[i
* new_width
+ old_width
], &new_data
[old_width
],
700 (new_width
- old_width
) * sizeof(char_info_t
) );
703 /* clear remaining rows */
704 if (new_height
> old_height
)
707 for (i
= 0; i
< new_width
; i
++) new_data
[old_height
* new_width
+ i
] = empty_char_info
;
708 /* and blast it to the other rows */
709 for (i
= old_height
+1; i
< new_height
; i
++)
710 memcpy( &new_data
[i
* new_width
], &new_data
[old_height
* new_width
],
711 new_width
* sizeof(char_info_t
) );
713 free( screen_buffer
->data
);
714 screen_buffer
->data
= new_data
;
715 screen_buffer
->width
= new_width
;
716 screen_buffer
->height
= new_height
;
720 /* set misc screen buffer information */
721 static int set_console_output_info( struct screen_buffer
*screen_buffer
,
722 const struct set_console_output_info_request
*req
)
724 struct console_renderer_event evt
;
726 if (req
->mask
& SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM
)
728 if (req
->cursor_size
< 1 || req
->cursor_size
> 100)
730 set_error( STATUS_INVALID_PARAMETER
);
733 if (screen_buffer
->cursor_size
!= req
->cursor_size
||
734 screen_buffer
->cursor_visible
!= req
->cursor_visible
)
736 screen_buffer
->cursor_size
= req
->cursor_size
;
737 screen_buffer
->cursor_visible
= req
->cursor_visible
;
738 evt
.event
= CONSOLE_RENDERER_CURSOR_GEOM_EVENT
;
739 evt
.u
.cursor_geom
.size
= req
->cursor_size
;
740 evt
.u
.cursor_geom
.visible
= req
->cursor_visible
;
741 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
744 if (req
->mask
& SET_CONSOLE_OUTPUT_INFO_CURSOR_POS
)
746 if (req
->cursor_x
< 0 || req
->cursor_x
>= screen_buffer
->width
||
747 req
->cursor_y
< 0 || req
->cursor_y
>= screen_buffer
->height
)
749 set_error( STATUS_INVALID_PARAMETER
);
752 if (screen_buffer
->cursor_x
!= req
->cursor_x
|| screen_buffer
->cursor_y
!= req
->cursor_y
)
754 screen_buffer
->cursor_x
= req
->cursor_x
;
755 screen_buffer
->cursor_y
= req
->cursor_y
;
756 evt
.event
= CONSOLE_RENDERER_CURSOR_POS_EVENT
;
757 evt
.u
.cursor_pos
.x
= req
->cursor_x
;
758 evt
.u
.cursor_pos
.y
= req
->cursor_y
;
759 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
762 if (req
->mask
& SET_CONSOLE_OUTPUT_INFO_SIZE
)
766 /* new screen-buffer cannot be smaller than actual window */
767 if (req
->width
< screen_buffer
->win
.right
- screen_buffer
->win
.left
+ 1 ||
768 req
->height
< screen_buffer
->win
.bottom
- screen_buffer
->win
.top
+ 1)
770 set_error( STATUS_INVALID_PARAMETER
);
773 /* FIXME: there are also some basic minimum and max size to deal with */
774 if (!change_screen_buffer_size( screen_buffer
, req
->width
, req
->height
)) return 0;
776 evt
.event
= CONSOLE_RENDERER_SB_RESIZE_EVENT
;
777 evt
.u
.resize
.width
= req
->width
;
778 evt
.u
.resize
.height
= req
->height
;
779 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
781 evt
.event
= CONSOLE_RENDERER_UPDATE_EVENT
;
782 evt
.u
.update
.top
= 0;
783 evt
.u
.update
.bottom
= screen_buffer
->height
- 1;
784 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
786 /* scroll window to display sb */
787 if (screen_buffer
->win
.right
>= req
->width
)
789 screen_buffer
->win
.right
-= screen_buffer
->win
.left
;
790 screen_buffer
->win
.left
= 0;
792 if (screen_buffer
->win
.bottom
>= req
->height
)
794 screen_buffer
->win
.bottom
-= screen_buffer
->win
.top
;
795 screen_buffer
->win
.top
= 0;
797 /* reset cursor if needed (normally, if cursor was outside of new sb, the
798 * window has been shifted so that the new position of the cursor will be
801 if (screen_buffer
->cursor_x
>= req
->width
)
803 screen_buffer
->cursor_x
= req
->width
- 1;
806 if (screen_buffer
->cursor_y
>= req
->height
)
808 screen_buffer
->cursor_y
= req
->height
- 1;
813 evt
.event
= CONSOLE_RENDERER_CURSOR_POS_EVENT
;
814 evt
.u
.cursor_pos
.x
= req
->cursor_x
;
815 evt
.u
.cursor_pos
.y
= req
->cursor_y
;
816 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
819 if (screen_buffer
== screen_buffer
->input
->active
&&
820 screen_buffer
->input
->mode
& ENABLE_WINDOW_INPUT
)
823 ir
.EventType
= WINDOW_BUFFER_SIZE_EVENT
;
824 ir
.Event
.WindowBufferSizeEvent
.dwSize
.X
= req
->width
;
825 ir
.Event
.WindowBufferSizeEvent
.dwSize
.Y
= req
->height
;
826 write_console_input( screen_buffer
->input
, 1, &ir
);
829 if (req
->mask
& SET_CONSOLE_OUTPUT_INFO_ATTR
)
831 screen_buffer
->attr
= req
->attr
;
833 if (req
->mask
& SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW
)
835 if (req
->win_left
< 0 || req
->win_left
> req
->win_right
||
836 req
->win_right
>= screen_buffer
->width
||
837 req
->win_top
< 0 || req
->win_top
> req
->win_bottom
||
838 req
->win_bottom
>= screen_buffer
->height
)
840 set_error( STATUS_INVALID_PARAMETER
);
843 if (screen_buffer
->win
.left
!= req
->win_left
|| screen_buffer
->win
.top
!= req
->win_top
||
844 screen_buffer
->win
.right
!= req
->win_right
|| screen_buffer
->win
.bottom
!= req
->win_bottom
)
846 screen_buffer
->win
.left
= req
->win_left
;
847 screen_buffer
->win
.top
= req
->win_top
;
848 screen_buffer
->win
.right
= req
->win_right
;
849 screen_buffer
->win
.bottom
= req
->win_bottom
;
850 evt
.event
= CONSOLE_RENDERER_DISPLAY_EVENT
;
851 evt
.u
.display
.left
= req
->win_left
;
852 evt
.u
.display
.top
= req
->win_top
;
853 evt
.u
.display
.width
= req
->win_right
- req
->win_left
+ 1;
854 evt
.u
.display
.height
= req
->win_bottom
- req
->win_top
+ 1;
855 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
858 if (req
->mask
& SET_CONSOLE_OUTPUT_INFO_MAX_SIZE
)
860 /* can only be done by renderer */
861 if (current
->process
->console
!= screen_buffer
->input
)
863 set_error( STATUS_INVALID_PARAMETER
);
867 screen_buffer
->max_width
= req
->max_width
;
868 screen_buffer
->max_height
= req
->max_height
;
874 /* appends a new line to history (history is a fixed size array) */
875 static void console_input_append_hist( struct console_input
* console
, const WCHAR
* buf
, size_t len
)
877 WCHAR
* ptr
= mem_alloc( (len
+ 1) * sizeof(WCHAR
) );
881 set_error( STATUS_NO_MEMORY
);
884 if (!console
|| !console
->history_size
)
886 set_error( STATUS_INVALID_PARAMETER
); /* FIXME */
890 memcpy( ptr
, buf
, len
* sizeof(WCHAR
) );
893 if (console
->history_mode
&& console
->history_index
&&
894 strncmpW( console
->history
[console
->history_index
- 1], ptr
, len
* sizeof(WCHAR
) ) == 0)
896 /* ok, mode ask us to not use twice the same string...
897 * so just free mem and returns
899 set_error( STATUS_ALIAS_EXISTS
);
904 if (console
->history_index
< console
->history_size
)
906 console
->history
[console
->history_index
++] = ptr
;
910 free( console
->history
[0]) ;
911 memmove( &console
->history
[0], &console
->history
[1],
912 (console
->history_size
- 1) * sizeof(WCHAR
*) );
913 console
->history
[console
->history_size
- 1] = ptr
;
917 /* returns a line from the cache */
918 static size_t console_input_get_hist( struct console_input
*console
, int index
)
922 if (index
>= console
->history_index
) set_error( STATUS_INVALID_PARAMETER
);
925 ret
= strlenW( console
->history
[index
] ) * sizeof(WCHAR
);
926 set_reply_data( console
->history
[index
], min( ret
, get_reply_max_size() ));
932 static void console_input_dump( struct object
*obj
, int verbose
)
934 struct console_input
*console
= (struct console_input
*)obj
;
935 assert( obj
->ops
== &console_input_ops
);
936 fprintf( stderr
, "Console input active=%p evt=%p\n",
937 console
->active
, console
->evt
);
940 static void console_input_destroy( struct object
*obj
)
942 struct console_input
* console_in
= (struct console_input
*)obj
;
943 struct screen_buffer
* curr
;
946 assert( obj
->ops
== &console_input_ops
);
947 if (console_in
->title
) free( console_in
->title
);
948 if (console_in
->records
) free( console_in
->records
);
950 if (console_in
->active
) release_object( console_in
->active
);
951 console_in
->active
= NULL
;
953 for (curr
= screen_buffer_list
; curr
; curr
= curr
->next
)
955 if (curr
->input
== console_in
) curr
->input
= NULL
;
958 release_object( console_in
->evt
);
959 console_in
->evt
= NULL
;
961 for (i
= 0; i
< console_in
->history_size
; i
++)
962 if (console_in
->history
[i
]) free( console_in
->history
[i
] );
963 if (console_in
->history
) free( console_in
->history
);
966 static void screen_buffer_dump( struct object
*obj
, int verbose
)
968 struct screen_buffer
*screen_buffer
= (struct screen_buffer
*)obj
;
969 assert( obj
->ops
== &screen_buffer_ops
);
971 fprintf(stderr
, "Console screen buffer input=%p\n", screen_buffer
->input
);
974 static void screen_buffer_destroy( struct object
*obj
)
976 struct screen_buffer
*screen_buffer
= (struct screen_buffer
*)obj
;
978 assert( obj
->ops
== &screen_buffer_ops
);
980 if (screen_buffer
->next
) screen_buffer
->next
->prev
= screen_buffer
->prev
;
981 if (screen_buffer
->prev
) screen_buffer
->prev
->next
= screen_buffer
->next
;
982 else screen_buffer_list
= screen_buffer
->next
;
984 if (screen_buffer
->input
&& screen_buffer
->input
->active
== screen_buffer
)
986 struct screen_buffer
* sb
;
987 for (sb
= screen_buffer_list
; sb
&& sb
->input
!= screen_buffer
->input
; sb
= sb
->next
);
988 screen_buffer
->input
->active
= sb
;
990 if (screen_buffer
->data
) free( screen_buffer
->data
);
993 /* write data into a screen buffer */
994 static int write_console_output( struct screen_buffer
*screen_buffer
, size_t size
,
995 const void* data
, enum char_info_mode mode
,
996 int x
, int y
, int wrap
)
999 char_info_t
*end
, *dest
= screen_buffer
->data
+ y
* screen_buffer
->width
+ x
;
1001 if (y
>= screen_buffer
->height
) return 0;
1004 end
= screen_buffer
->data
+ screen_buffer
->height
* screen_buffer
->width
;
1006 end
= screen_buffer
->data
+ (y
+1) * screen_buffer
->width
;
1010 case CHAR_INFO_MODE_TEXT
:
1012 const WCHAR
*ptr
= data
;
1013 for (i
= 0; i
< size
/sizeof(*ptr
) && dest
< end
; dest
++, i
++) dest
->ch
= ptr
[i
];
1016 case CHAR_INFO_MODE_ATTR
:
1018 const unsigned short *ptr
= data
;
1019 for (i
= 0; i
< size
/sizeof(*ptr
) && dest
< end
; dest
++, i
++) dest
->attr
= ptr
[i
];
1022 case CHAR_INFO_MODE_TEXTATTR
:
1024 const char_info_t
*ptr
= data
;
1025 for (i
= 0; i
< size
/sizeof(*ptr
) && dest
< end
; dest
++, i
++) *dest
= ptr
[i
];
1028 case CHAR_INFO_MODE_TEXTSTDATTR
:
1030 const WCHAR
*ptr
= data
;
1031 for (i
= 0; i
< size
/sizeof(*ptr
) && dest
< end
; dest
++, i
++)
1034 dest
->attr
= screen_buffer
->attr
;
1039 set_error( STATUS_INVALID_PARAMETER
);
1043 if (i
&& screen_buffer
== screen_buffer
->input
->active
)
1045 struct console_renderer_event evt
;
1046 evt
.event
= CONSOLE_RENDERER_UPDATE_EVENT
;
1047 evt
.u
.update
.top
= y
+ x
/ screen_buffer
->width
;
1048 evt
.u
.update
.bottom
= y
+ (x
+ i
- 1) / screen_buffer
->width
;
1049 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
1054 /* fill a screen buffer with uniform data */
1055 static int fill_console_output( struct screen_buffer
*screen_buffer
, char_info_t data
,
1056 enum char_info_mode mode
, int x
, int y
, int count
, int wrap
)
1059 char_info_t
*end
, *dest
= screen_buffer
->data
+ y
* screen_buffer
->width
+ x
;
1061 if (y
>= screen_buffer
->height
) return 0;
1064 end
= screen_buffer
->data
+ screen_buffer
->height
* screen_buffer
->width
;
1066 end
= screen_buffer
->data
+ (y
+1) * screen_buffer
->width
;
1068 if (count
> end
- dest
) count
= end
- dest
;
1072 case CHAR_INFO_MODE_TEXT
:
1073 for (i
= 0; i
< count
; i
++) dest
[i
].ch
= data
.ch
;
1075 case CHAR_INFO_MODE_ATTR
:
1076 for (i
= 0; i
< count
; i
++) dest
[i
].attr
= data
.attr
;
1078 case CHAR_INFO_MODE_TEXTATTR
:
1079 for (i
= 0; i
< count
; i
++) dest
[i
] = data
;
1081 case CHAR_INFO_MODE_TEXTSTDATTR
:
1082 for (i
= 0; i
< count
; i
++)
1084 dest
[i
].ch
= data
.ch
;
1085 dest
[i
].attr
= screen_buffer
->attr
;
1089 set_error( STATUS_INVALID_PARAMETER
);
1093 if (count
&& screen_buffer
== screen_buffer
->input
->active
)
1095 struct console_renderer_event evt
;
1096 evt
.event
= CONSOLE_RENDERER_UPDATE_EVENT
;
1097 evt
.u
.update
.top
= y
;
1098 evt
.u
.update
.bottom
= (y
* screen_buffer
->width
+ x
+ count
- 1) / screen_buffer
->width
;
1099 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
1104 /* read data from a screen buffer */
1105 static void read_console_output( struct screen_buffer
*screen_buffer
, int x
, int y
,
1106 enum char_info_mode mode
, int wrap
)
1109 char_info_t
*end
, *src
= screen_buffer
->data
+ y
* screen_buffer
->width
+ x
;
1111 if (y
>= screen_buffer
->height
) return;
1114 end
= screen_buffer
->data
+ screen_buffer
->height
* screen_buffer
->width
;
1116 end
= screen_buffer
->data
+ (y
+1) * screen_buffer
->width
;
1120 case CHAR_INFO_MODE_TEXT
:
1123 int count
= min( end
- src
, get_reply_max_size() / sizeof(*data
) );
1124 if ((data
= set_reply_data_size( count
* sizeof(*data
) )))
1126 for (i
= 0; i
< count
; i
++) data
[i
] = src
[i
].ch
;
1130 case CHAR_INFO_MODE_ATTR
:
1132 unsigned short *data
;
1133 int count
= min( end
- src
, get_reply_max_size() / sizeof(*data
) );
1134 if ((data
= set_reply_data_size( count
* sizeof(*data
) )))
1136 for (i
= 0; i
< count
; i
++) data
[i
] = src
[i
].attr
;
1140 case CHAR_INFO_MODE_TEXTATTR
:
1143 int count
= min( end
- src
, get_reply_max_size() / sizeof(*data
) );
1144 if ((data
= set_reply_data_size( count
* sizeof(*data
) )))
1146 for (i
= 0; i
< count
; i
++) data
[i
] = src
[i
];
1151 set_error( STATUS_INVALID_PARAMETER
);
1156 /* scroll parts of a screen buffer */
1157 static void scroll_console_output( obj_handle_t handle
, int xsrc
, int ysrc
, int xdst
, int ydst
,
1160 struct screen_buffer
*screen_buffer
;
1162 char_info_t
*psrc
, *pdst
;
1163 struct console_renderer_event evt
;
1165 if (!(screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, handle
,
1166 GENERIC_READ
, &screen_buffer_ops
)))
1168 if (xsrc
< 0 || ysrc
< 0 || xdst
< 0 || ydst
< 0 ||
1169 xsrc
+ w
> screen_buffer
->width
||
1170 xdst
+ w
> screen_buffer
->width
||
1171 ysrc
+ h
> screen_buffer
->height
||
1172 ydst
+ h
> screen_buffer
->height
||
1175 set_error( STATUS_INVALID_PARAMETER
);
1176 release_object( screen_buffer
);
1182 psrc
= &screen_buffer
->data
[(ysrc
+ h
- 1) * screen_buffer
->width
+ xsrc
];
1183 pdst
= &screen_buffer
->data
[(ydst
+ h
- 1) * screen_buffer
->width
+ xdst
];
1185 for (j
= h
; j
> 0; j
--)
1187 memcpy(pdst
, psrc
, w
* sizeof(*pdst
) );
1188 pdst
-= screen_buffer
->width
;
1189 psrc
-= screen_buffer
->width
;
1194 psrc
= &screen_buffer
->data
[ysrc
* screen_buffer
->width
+ xsrc
];
1195 pdst
= &screen_buffer
->data
[ydst
* screen_buffer
->width
+ xdst
];
1197 for (j
= 0; j
< h
; j
++)
1199 /* we use memmove here because when psrc and pdst are the same,
1200 * copies are done on the same row, so the dst and src blocks
1202 memmove( pdst
, psrc
, w
* sizeof(*pdst
) );
1203 pdst
+= screen_buffer
->width
;
1204 psrc
+= screen_buffer
->width
;
1208 /* FIXME: this could be enhanced, by signalling scroll */
1209 evt
.event
= CONSOLE_RENDERER_UPDATE_EVENT
;
1210 evt
.u
.update
.top
= min(ysrc
, ydst
);
1211 evt
.u
.update
.bottom
= max(ysrc
, ydst
) + h
- 1;
1212 console_input_events_append( screen_buffer
->input
->evt
, &evt
);
1214 release_object( screen_buffer
);
1217 /* allocate a console for the renderer */
1218 DECL_HANDLER(alloc_console
)
1220 obj_handle_t in
= 0;
1221 obj_handle_t evt
= 0;
1222 struct process
*process
;
1223 struct process
*renderer
= current
->process
;
1224 struct console_input
*console
;
1226 process
= (req
->pid
) ? get_process_from_id( req
->pid
) :
1227 (struct process
*)grab_object( renderer
->parent
);
1229 reply
->handle_in
= 0;
1231 if (!process
) return;
1232 if (process
!= renderer
&& process
->console
)
1234 set_error( STATUS_ACCESS_DENIED
);
1238 if ((console
= (struct console_input
*)create_console_input( current
)))
1240 if ((in
= alloc_handle( renderer
, console
, req
->access
, req
->inherit
)))
1242 if ((evt
= alloc_handle( renderer
, console
->evt
,
1243 SYNCHRONIZE
|GENERIC_READ
|GENERIC_WRITE
, FALSE
)))
1245 if (process
!= renderer
)
1247 process
->console
= (struct console_input
*)grab_object( console
);
1248 console
->num_proc
++;
1250 reply
->handle_in
= in
;
1252 release_object( console
);
1255 close_handle( renderer
, in
, NULL
);
1257 free_console( process
);
1260 release_object( process
);
1263 /* free the console of the current process */
1264 DECL_HANDLER(free_console
)
1266 free_console( current
->process
);
1269 /* let the renderer peek the events it's waiting on */
1270 DECL_HANDLER(get_console_renderer_events
)
1272 struct console_input_events
*evt
;
1274 evt
= (struct console_input_events
*)get_handle_obj( current
->process
, req
->handle
,
1275 GENERIC_WRITE
, &console_input_events_ops
);
1277 console_input_events_get( evt
);
1278 release_object( evt
);
1281 /* open a handle to the process console */
1282 DECL_HANDLER(open_console
)
1284 struct object
*obj
= NULL
;
1290 if (current
->process
->console
&& current
->process
->console
->renderer
)
1291 obj
= grab_object( (struct object
*)current
->process
->console
);
1294 if (current
->process
->console
&& current
->process
->console
->renderer
&&
1295 current
->process
->console
->active
)
1296 obj
= grab_object( (struct object
*)current
->process
->console
->active
);
1299 if ((obj
= get_handle_obj( current
->process
, (obj_handle_t
)req
->from
,
1300 GENERIC_READ
|GENERIC_WRITE
, &console_input_ops
)))
1302 struct console_input
* console
= (struct console_input
*)obj
;
1303 obj
= (console
->active
) ? grab_object( console
->active
) : NULL
;
1304 release_object( console
);
1309 /* FIXME: req->share is not used (as in screen buffer creation) */
1312 reply
->handle
= alloc_handle( current
->process
, obj
, req
->access
, req
->inherit
);
1313 release_object( obj
);
1315 else if (!get_error()) set_error( STATUS_ACCESS_DENIED
);
1318 /* set info about a console input */
1319 DECL_HANDLER(set_console_input_info
)
1321 set_console_input_info( req
, get_req_data(), get_req_data_size() );
1324 /* get info about a console (output only) */
1325 DECL_HANDLER(get_console_input_info
)
1327 struct console_input
*console
;
1329 if (!(console
= console_input_get( req
->handle
, GENERIC_READ
))) return;
1332 size_t len
= strlenW( console
->title
) * sizeof(WCHAR
);
1333 if (len
> get_reply_max_size()) len
= get_reply_max_size();
1334 set_reply_data( console
->title
, len
);
1336 reply
->history_mode
= console
->history_mode
;
1337 reply
->history_size
= console
->history_size
;
1338 reply
->history_index
= console
->history_index
;
1339 reply
->edition_mode
= console
->edition_mode
;
1341 release_object( console
);
1344 /* get a console mode (input or output) */
1345 DECL_HANDLER(get_console_mode
)
1347 reply
->mode
= get_console_mode( req
->handle
);
1350 /* set a console mode (input or output) */
1351 DECL_HANDLER(set_console_mode
)
1353 set_console_mode( req
->handle
, req
->mode
);
1356 /* add input records to a console input queue */
1357 DECL_HANDLER(write_console_input
)
1359 struct console_input
*console
;
1362 if (!(console
= (struct console_input
*)get_handle_obj( current
->process
, req
->handle
,
1363 GENERIC_WRITE
, &console_input_ops
)))
1365 reply
->written
= write_console_input( console
, get_req_data_size() / sizeof(INPUT_RECORD
),
1367 release_object( console
);
1370 /* fetch input records from a console input queue */
1371 DECL_HANDLER(read_console_input
)
1373 int count
= get_reply_max_size() / sizeof(INPUT_RECORD
);
1374 reply
->read
= read_console_input( req
->handle
, count
, req
->flush
);
1377 /* appends a string to console's history */
1378 DECL_HANDLER(append_console_input_history
)
1380 struct console_input
*console
;
1382 if (!(console
= console_input_get( req
->handle
, GENERIC_WRITE
))) return;
1383 console_input_append_hist( console
, get_req_data(), get_req_data_size() / sizeof(WCHAR
) );
1384 release_object( console
);
1387 /* appends a string to console's history */
1388 DECL_HANDLER(get_console_input_history
)
1390 struct console_input
*console
;
1392 if (!(console
= console_input_get( req
->handle
, GENERIC_WRITE
))) return;
1393 reply
->total
= console_input_get_hist( console
, req
->index
);
1394 release_object( console
);
1397 /* creates a screen buffer */
1398 DECL_HANDLER(create_console_output
)
1400 struct console_input
* console
;
1401 struct screen_buffer
* screen_buffer
;
1403 if (!(console
= console_input_get( req
->handle_in
, GENERIC_WRITE
))) return;
1405 screen_buffer
= create_console_output( console
);
1408 /* FIXME: should store sharing and test it when opening the CONOUT$ device
1409 * see file.c on how this could be done */
1410 reply
->handle_out
= alloc_handle( current
->process
, screen_buffer
,
1411 req
->access
, req
->inherit
);
1412 release_object( screen_buffer
);
1414 release_object( console
);
1417 /* set info about a console screen buffer */
1418 DECL_HANDLER(set_console_output_info
)
1420 struct screen_buffer
*screen_buffer
;
1422 if ((screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, req
->handle
,
1423 GENERIC_WRITE
, &screen_buffer_ops
)))
1425 set_console_output_info( screen_buffer
, req
);
1426 release_object( screen_buffer
);
1430 /* get info about a console screen buffer */
1431 DECL_HANDLER(get_console_output_info
)
1433 struct screen_buffer
*screen_buffer
;
1435 if ((screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, req
->handle
,
1436 GENERIC_READ
, &screen_buffer_ops
)))
1438 reply
->cursor_size
= screen_buffer
->cursor_size
;
1439 reply
->cursor_visible
= screen_buffer
->cursor_visible
;
1440 reply
->cursor_x
= screen_buffer
->cursor_x
;
1441 reply
->cursor_y
= screen_buffer
->cursor_y
;
1442 reply
->width
= screen_buffer
->width
;
1443 reply
->height
= screen_buffer
->height
;
1444 reply
->attr
= screen_buffer
->attr
;
1445 reply
->win_left
= screen_buffer
->win
.left
;
1446 reply
->win_top
= screen_buffer
->win
.top
;
1447 reply
->win_right
= screen_buffer
->win
.right
;
1448 reply
->win_bottom
= screen_buffer
->win
.bottom
;
1449 reply
->max_width
= screen_buffer
->max_width
;
1450 reply
->max_height
= screen_buffer
->max_height
;
1451 release_object( screen_buffer
);
1455 /* read data (chars & attrs) from a screen buffer */
1456 DECL_HANDLER(read_console_output
)
1458 struct screen_buffer
*screen_buffer
;
1460 if ((screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, req
->handle
,
1461 GENERIC_READ
, &screen_buffer_ops
)))
1463 read_console_output( screen_buffer
, req
->x
, req
->y
, req
->mode
, req
->wrap
);
1464 reply
->width
= screen_buffer
->width
;
1465 reply
->height
= screen_buffer
->height
;
1466 release_object( screen_buffer
);
1470 /* write data (char and/or attrs) to a screen buffer */
1471 DECL_HANDLER(write_console_output
)
1473 struct screen_buffer
*screen_buffer
;
1475 if ((screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, req
->handle
,
1476 GENERIC_WRITE
, &screen_buffer_ops
)))
1478 reply
->written
= write_console_output( screen_buffer
, get_req_data_size(), get_req_data(),
1479 req
->mode
, req
->x
, req
->y
, req
->wrap
);
1480 reply
->width
= screen_buffer
->width
;
1481 reply
->height
= screen_buffer
->height
;
1482 release_object( screen_buffer
);
1486 /* fill a screen buffer with constant data (chars and/or attributes) */
1487 DECL_HANDLER(fill_console_output
)
1489 struct screen_buffer
*screen_buffer
;
1491 if ((screen_buffer
= (struct screen_buffer
*)get_handle_obj( current
->process
, req
->handle
,
1492 GENERIC_WRITE
, &screen_buffer_ops
)))
1494 reply
->written
= fill_console_output( screen_buffer
, req
->data
, req
->mode
,
1495 req
->x
, req
->y
, req
->count
, req
->wrap
);
1496 release_object( screen_buffer
);
1500 /* move a rect of data in a screen buffer */
1501 DECL_HANDLER(move_console_output
)
1503 scroll_console_output( req
->handle
, req
->x_src
, req
->y_src
, req
->x_dst
, req
->y_dst
,
1507 /* sends a signal to a console (process, group...) */
1508 DECL_HANDLER(send_console_signal
)
1512 group
= req
->group_id
? req
->group_id
: current
->process
->group_id
;
1515 set_error( STATUS_INVALID_PARAMETER
);
1517 propagate_console_signal( current
->process
->console
, req
->signal
, group
);