kernel32: Add comment for GetConsoleWindow.
[wine/hacks.git] / server / console.c
blob64601fbecb74420d679449ca49d18219e9efb374
1 /*
2 * Server-side console management
4 * Copyright (C) 1998 Alexandre Julliard
5 * 2001 Eric Pouech
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "config.h"
24 #include "wine/port.h"
26 #include <assert.h>
27 #include <string.h>
28 #include <stdio.h>
29 #include <unistd.h>
30 #include <signal.h>
32 #include "ntstatus.h"
33 #define WIN32_NO_STATUS
34 #include "handle.h"
35 #include "process.h"
36 #include "request.h"
37 #include "unicode.h"
38 #include "console.h"
39 #include "winternl.h"
41 /* specific access rights (FIXME: should use finer-grained access rights) */
42 #define CONSOLE_READ 0x01
43 #define CONSOLE_WRITE 0x02
45 static unsigned int console_map_access( struct object *obj, unsigned int access );
47 static void console_input_dump( struct object *obj, int verbose );
48 static void console_input_destroy( struct object *obj );
50 static const struct object_ops console_input_ops =
52 sizeof(struct console_input), /* size */
53 console_input_dump, /* dump */
54 no_add_queue, /* add_queue */
55 NULL, /* remove_queue */
56 NULL, /* signaled */
57 no_satisfied, /* satisfied */
58 no_signal, /* signal */
59 no_get_fd, /* get_fd */
60 console_map_access, /* map_access */
61 no_lookup_name, /* lookup_name */
62 no_close_handle, /* close_handle */
63 console_input_destroy /* destroy */
66 static void console_input_events_dump( struct object *obj, int verbose );
67 static void console_input_events_destroy( struct object *obj );
68 static int console_input_events_signaled( struct object *obj, struct thread *thread );
70 struct console_input_events
72 struct object obj; /* object header */
73 int num_alloc; /* number of allocated events */
74 int num_used; /* number of actually used events */
75 struct console_renderer_event* events;
78 static const struct object_ops console_input_events_ops =
80 sizeof(struct console_input_events), /* size */
81 console_input_events_dump, /* dump */
82 add_queue, /* add_queue */
83 remove_queue, /* remove_queue */
84 console_input_events_signaled, /* signaled */
85 no_satisfied, /* satisfied */
86 no_signal, /* signal */
87 no_get_fd, /* get_fd */
88 console_map_access, /* map_access */
89 no_lookup_name, /* lookup_name */
90 no_close_handle, /* close_handle */
91 console_input_events_destroy /* destroy */
94 struct screen_buffer
96 struct object obj; /* object header */
97 struct list entry; /* entry in list of all screen buffers */
98 struct console_input *input; /* associated console input */
99 int mode; /* output mode */
100 int cursor_size; /* size of cursor (percentage filled) */
101 int cursor_visible;/* cursor visibility flag */
102 int cursor_x; /* position of cursor */
103 int cursor_y; /* position of cursor */
104 int width; /* size (w-h) of the screen buffer */
105 int height;
106 int max_width; /* size (w-h) of the window given font size */
107 int max_height;
108 char_info_t *data; /* the data for each cell - a width x height matrix */
109 unsigned short attr; /* default attribute for screen buffer */
110 rectangle_t win; /* current visible window on the screen buffer *
111 * as seen in wineconsole */
114 static void screen_buffer_dump( struct object *obj, int verbose );
115 static void screen_buffer_destroy( struct object *obj );
117 static const struct object_ops screen_buffer_ops =
119 sizeof(struct screen_buffer), /* size */
120 screen_buffer_dump, /* dump */
121 no_add_queue, /* add_queue */
122 NULL, /* remove_queue */
123 NULL, /* signaled */
124 NULL, /* satisfied */
125 no_signal, /* signal */
126 no_get_fd, /* get_fd */
127 console_map_access, /* map_access */
128 no_lookup_name, /* lookup_name */
129 no_close_handle, /* close_handle */
130 screen_buffer_destroy /* destroy */
133 static struct list screen_buffer_list = LIST_INIT(screen_buffer_list);
135 static const char_info_t empty_char_info = { ' ', 0x000f }; /* white on black space */
137 /* access mapping for all console objects */
138 static unsigned int console_map_access( struct object *obj, unsigned int access )
140 if (access & GENERIC_READ) access |= SYNCHRONIZE | STANDARD_RIGHTS_READ | CONSOLE_READ;
141 if (access & GENERIC_WRITE) access |= SYNCHRONIZE | STANDARD_RIGHTS_WRITE | CONSOLE_WRITE;
142 if (access & GENERIC_EXECUTE) access |= SYNCHRONIZE | STANDARD_RIGHTS_EXECUTE;
143 if (access & GENERIC_ALL) access |= STANDARD_RIGHTS_ALL | CONSOLE_READ | CONSOLE_WRITE;
144 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
147 /* dumps the renderer events of a console */
148 static void console_input_events_dump( struct object *obj, int verbose )
150 struct console_input_events *evts = (struct console_input_events *)obj;
151 assert( obj->ops == &console_input_events_ops );
152 fprintf( stderr, "Console input events: %d/%d events\n",
153 evts->num_used, evts->num_alloc );
156 /* destroys the renderer events of a console */
157 static void console_input_events_destroy( struct object *obj )
159 struct console_input_events *evts = (struct console_input_events *)obj;
160 assert( obj->ops == &console_input_events_ops );
161 free( evts->events );
164 /* the renderer events list is signaled when it's not empty */
165 static int console_input_events_signaled( struct object *obj, struct thread *thread )
167 struct console_input_events *evts = (struct console_input_events *)obj;
168 assert( obj->ops == &console_input_events_ops );
169 return (evts->num_used != 0);
172 /* add an event to the console's renderer events list */
173 static void console_input_events_append( struct console_input_events* evts,
174 struct console_renderer_event* evt)
176 int collapsed = FALSE;
178 /* to be done even when evt has been generated by the rendere ? */
180 /* try to collapse evt into current queue's events */
181 if (evts->num_used)
183 struct console_renderer_event* last = &evts->events[evts->num_used - 1];
185 if (last->event == CONSOLE_RENDERER_UPDATE_EVENT &&
186 evt->event == CONSOLE_RENDERER_UPDATE_EVENT)
188 /* if two update events overlap, collapse them into a single one */
189 if (last->u.update.bottom + 1 >= evt->u.update.top &&
190 evt->u.update.bottom + 1 >= last->u.update.top)
192 last->u.update.top = min(last->u.update.top, evt->u.update.top);
193 last->u.update.bottom = max(last->u.update.bottom, evt->u.update.bottom);
194 collapsed = TRUE;
198 if (!collapsed)
200 if (evts->num_used == evts->num_alloc)
202 evts->num_alloc += 16;
203 evts->events = realloc( evts->events, evts->num_alloc * sizeof(*evt) );
204 assert(evts->events);
206 evts->events[evts->num_used++] = *evt;
208 wake_up( &evts->obj, 0 );
211 /* retrieves events from the console's renderer events list */
212 static void console_input_events_get( struct console_input_events* evts )
214 data_size_t num = get_reply_max_size() / sizeof(evts->events[0]);
216 if (num > evts->num_used) num = evts->num_used;
217 set_reply_data( evts->events, num * sizeof(evts->events[0]) );
218 if (num < evts->num_used)
220 memmove( &evts->events[0], &evts->events[num],
221 (evts->num_used - num) * sizeof(evts->events[0]) );
223 evts->num_used -= num;
226 static struct console_input_events *create_console_input_events(void)
228 struct console_input_events* evt;
230 if (!(evt = alloc_object( &console_input_events_ops ))) return NULL;
231 evt->num_alloc = evt->num_used = 0;
232 evt->events = NULL;
233 return evt;
236 static struct object *create_console_input( struct thread* renderer )
238 struct console_input *console_input;
240 if (!(console_input = alloc_object( &console_input_ops ))) return NULL;
241 console_input->renderer = renderer;
242 console_input->mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
243 ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
244 console_input->num_proc = 0;
245 console_input->active = NULL;
246 console_input->recnum = 0;
247 console_input->records = NULL;
248 console_input->evt = create_console_input_events();
249 console_input->title = NULL;
250 console_input->history_size = 50;
251 console_input->history = calloc( console_input->history_size, sizeof(WCHAR*) );
252 console_input->history_index = 0;
253 console_input->history_mode = 0;
254 console_input->edition_mode = 0;
255 console_input->event = create_event( NULL, NULL, 0, 1, 0 );
257 if (!console_input->history || !console_input->evt)
259 release_object( console_input );
260 return NULL;
262 return &console_input->obj;
265 static struct screen_buffer *create_console_output( struct console_input *console_input )
267 struct screen_buffer *screen_buffer;
268 int i;
270 if (!(screen_buffer = alloc_object( &screen_buffer_ops ))) return NULL;
271 screen_buffer->mode = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
272 screen_buffer->input = console_input;
273 screen_buffer->cursor_size = 100;
274 screen_buffer->cursor_visible = 1;
275 screen_buffer->width = 80;
276 screen_buffer->height = 150;
277 screen_buffer->max_width = 80;
278 screen_buffer->max_height = 25;
279 screen_buffer->cursor_x = 0;
280 screen_buffer->cursor_y = 0;
281 screen_buffer->attr = 0x0F;
282 screen_buffer->win.left = 0;
283 screen_buffer->win.right = screen_buffer->max_width - 1;
284 screen_buffer->win.top = 0;
285 screen_buffer->win.bottom = screen_buffer->max_height - 1;
287 list_add_head( &screen_buffer_list, &screen_buffer->entry );
289 if (!(screen_buffer->data = malloc( screen_buffer->width * screen_buffer->height *
290 sizeof(*screen_buffer->data) )))
292 release_object( screen_buffer );
293 return NULL;
295 /* clear the first row */
296 for (i = 0; i < screen_buffer->width; i++) screen_buffer->data[i] = empty_char_info;
297 /* and copy it to all other rows */
298 for (i = 1; i < screen_buffer->height; i++)
299 memcpy( &screen_buffer->data[i * screen_buffer->width], screen_buffer->data,
300 screen_buffer->width * sizeof(char_info_t) );
302 if (!console_input->active)
304 struct console_renderer_event evt;
305 console_input->active = (struct screen_buffer*)grab_object( screen_buffer );
307 /* generate the initial events */
308 evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
309 memset(&evt.u, 0, sizeof(evt.u));
310 console_input_events_append( console_input->evt, &evt );
312 evt.event = CONSOLE_RENDERER_SB_RESIZE_EVENT;
313 evt.u.resize.width = screen_buffer->width;
314 evt.u.resize.height = screen_buffer->height;
315 console_input_events_append( console_input->evt, &evt );
317 evt.event = CONSOLE_RENDERER_DISPLAY_EVENT;
318 evt.u.display.left = screen_buffer->win.left;
319 evt.u.display.top = screen_buffer->win.top;
320 evt.u.display.width = screen_buffer->win.right - screen_buffer->win.left + 1;
321 evt.u.display.height = screen_buffer->win.bottom - screen_buffer->win.top + 1;
322 console_input_events_append( console_input->evt, &evt );
324 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
325 evt.u.update.top = 0;
326 evt.u.update.bottom = screen_buffer->height - 1;
327 console_input_events_append( console_input->evt, &evt );
329 evt.event = CONSOLE_RENDERER_CURSOR_GEOM_EVENT;
330 evt.u.cursor_geom.size = screen_buffer->cursor_size;
331 evt.u.cursor_geom.visible = screen_buffer->cursor_visible;
332 console_input_events_append( console_input->evt, &evt );
334 evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
335 evt.u.cursor_pos.x = screen_buffer->cursor_x;
336 evt.u.cursor_pos.y = screen_buffer->cursor_y;
337 console_input_events_append( console_input->evt, &evt );
339 return screen_buffer;
342 /* free the console for this process */
343 int free_console( struct process *process )
345 struct console_input* console = process->console;
347 if (!console || !console->renderer) return 0;
349 process->console = NULL;
350 if (--console->num_proc == 0)
352 /* all processes have terminated... tell the renderer to terminate too */
353 struct console_renderer_event evt;
354 evt.event = CONSOLE_RENDERER_EXIT_EVENT;
355 memset(&evt.u, 0, sizeof(evt.u));
356 console_input_events_append( console->evt, &evt );
358 release_object( console );
360 return 1;
363 /* let process inherit the console from parent... this handle two cases :
364 * 1/ generic console inheritance
365 * 2/ parent is a renderer which launches process, and process should attach to the console
366 * renderered by parent
368 void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin)
370 int done = 0;
371 struct process* parent = parent_thread->process;
373 /* if parent is a renderer, then attach current process to its console
374 * a bit hacky....
376 if (hconin)
378 struct console_input* console;
380 /* FIXME: should we check some access rights ? */
381 if ((console = (struct console_input*)get_handle_obj( parent, hconin,
382 0, &console_input_ops )))
384 if (console->renderer == parent_thread)
386 process->console = (struct console_input*)grab_object( console );
387 process->console->num_proc++;
388 done = 1;
390 release_object( console );
392 else clear_error(); /* ignore error */
394 /* otherwise, if parent has a console, attach child to this console */
395 if (!done && parent->console)
397 assert(parent->console->renderer);
398 process->console = (struct console_input*)grab_object( parent->console );
399 process->console->num_proc++;
403 static struct console_input* console_input_get( obj_handle_t handle, unsigned access )
405 struct console_input* console = NULL;
407 if (handle)
408 console = (struct console_input *)get_handle_obj( current->process, handle,
409 access, &console_input_ops );
410 else if (current->process->console)
412 assert( current->process->console->renderer );
413 console = (struct console_input *)grab_object( current->process->console );
416 if (!console && !get_error()) set_error(STATUS_INVALID_PARAMETER);
417 return console;
420 struct console_signal_info
422 struct console_input *console;
423 process_id_t group;
424 int signal;
427 static int propagate_console_signal_cb(struct process *process, void *user)
429 struct console_signal_info* csi = (struct console_signal_info*)user;
431 if (process->console == csi->console && process->running_threads &&
432 (!csi->group || process->group_id == csi->group))
434 /* find a suitable thread to signal */
435 struct thread *thread;
436 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
438 if (send_thread_signal( thread, csi->signal )) break;
441 return FALSE;
444 static void propagate_console_signal( struct console_input *console,
445 int sig, process_id_t group_id )
447 struct console_signal_info csi;
449 if (!console)
451 set_error( STATUS_INVALID_PARAMETER );
452 return;
454 /* FIXME: should support the other events (like CTRL_BREAK) */
455 if (sig != CTRL_C_EVENT)
457 set_error( STATUS_NOT_IMPLEMENTED );
458 return;
460 csi.console = console;
461 csi.signal = SIGINT;
462 csi.group = group_id;
464 enum_processes(propagate_console_signal_cb, &csi);
467 static int get_console_mode( obj_handle_t handle )
469 struct object *obj;
470 int ret = 0;
472 if ((obj = get_handle_obj( current->process, handle, CONSOLE_READ, NULL )))
474 if (obj->ops == &console_input_ops)
475 ret = ((struct console_input *)obj)->mode;
476 else if (obj->ops == &screen_buffer_ops)
477 ret = ((struct screen_buffer *)obj)->mode;
478 else
479 set_error( STATUS_OBJECT_TYPE_MISMATCH );
480 release_object( obj );
482 return ret;
485 /* changes the mode of either a console input or a screen buffer */
486 static int set_console_mode( obj_handle_t handle, int mode )
488 struct object *obj;
489 int ret = 0;
491 if (!(obj = get_handle_obj( current->process, handle, CONSOLE_WRITE, NULL )))
492 return 0;
493 if (obj->ops == &console_input_ops)
495 /* FIXME: if we remove the edit mode bits, we need (???) to clean up the history */
496 ((struct console_input *)obj)->mode = mode;
497 ret = 1;
499 else if (obj->ops == &screen_buffer_ops)
501 ((struct screen_buffer *)obj)->mode = mode;
502 ret = 1;
504 else set_error( STATUS_OBJECT_TYPE_MISMATCH );
505 release_object( obj );
506 return ret;
509 /* add input events to a console input queue */
510 static int write_console_input( struct console_input* console, int count,
511 const INPUT_RECORD *records )
513 INPUT_RECORD *new_rec;
515 if (!count) return 0;
516 if (!(new_rec = realloc( console->records,
517 (console->recnum + count) * sizeof(INPUT_RECORD) )))
519 set_error( STATUS_NO_MEMORY );
520 release_object( console );
521 return -1;
523 console->records = new_rec;
524 memcpy( new_rec + console->recnum, records, count * sizeof(INPUT_RECORD) );
526 if (console->mode & ENABLE_PROCESSED_INPUT)
528 int i = 0;
529 while (i < count)
531 if (records[i].EventType == KEY_EVENT &&
532 records[i].Event.KeyEvent.uChar.UnicodeChar == 'C' - 64 &&
533 !(records[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
535 if (i != count - 1)
536 memcpy( &console->records[console->recnum + i],
537 &console->records[console->recnum + i + 1],
538 (count - i - 1) * sizeof(INPUT_RECORD) );
539 count--;
540 if (records[i].Event.KeyEvent.bKeyDown)
542 /* send SIGINT to all processes attached to this console */
543 propagate_console_signal( console, CTRL_C_EVENT, 0 );
546 else i++;
549 if (!console->recnum && count) set_event( console->event );
550 console->recnum += count;
551 return count;
554 /* retrieve a pointer to the console input records */
555 static int read_console_input( obj_handle_t handle, int count, int flush )
557 struct console_input *console;
559 if (!(console = (struct console_input *)get_handle_obj( current->process, handle,
560 CONSOLE_READ, &console_input_ops )))
561 return -1;
563 if (!count)
565 /* special case: do not retrieve anything, but return
566 * the total number of records available */
567 count = console->recnum;
569 else
571 if (count > console->recnum) count = console->recnum;
572 set_reply_data( console->records, count * sizeof(INPUT_RECORD) );
574 if (flush)
576 int i;
577 for (i = count; i < console->recnum; i++)
578 console->records[i-count] = console->records[i];
579 if ((console->recnum -= count) > 0)
581 INPUT_RECORD *new_rec = realloc( console->records,
582 console->recnum * sizeof(INPUT_RECORD) );
583 if (new_rec) console->records = new_rec;
585 else
587 free( console->records );
588 console->records = NULL;
589 reset_event( console->event );
592 release_object( console );
593 return count;
596 /* set misc console input information */
597 static int set_console_input_info( const struct set_console_input_info_request *req,
598 const WCHAR *title, data_size_t len )
600 struct console_input *console;
601 struct console_renderer_event evt;
603 if (!(console = console_input_get( req->handle, CONSOLE_WRITE ))) goto error;
605 memset(&evt.u, 0, sizeof(evt.u));
606 if (req->mask & SET_CONSOLE_INPUT_INFO_ACTIVE_SB)
608 struct screen_buffer *screen_buffer;
610 screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->active_sb,
611 CONSOLE_READ, &screen_buffer_ops );
612 if (!screen_buffer || screen_buffer->input != console)
614 set_error( STATUS_INVALID_PARAMETER );
615 if (screen_buffer) release_object( screen_buffer );
616 goto error;
619 if (screen_buffer != console->active)
621 if (console->active) release_object( console->active );
622 console->active = screen_buffer;
623 evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
624 console_input_events_append( console->evt, &evt );
626 else
627 release_object( screen_buffer );
629 if (req->mask & SET_CONSOLE_INPUT_INFO_TITLE)
631 WCHAR *new_title = mem_alloc( len + sizeof(WCHAR) );
632 if (new_title)
634 memcpy( new_title, title, len );
635 new_title[len / sizeof(WCHAR)] = 0;
636 free( console->title );
637 console->title = new_title;
638 evt.event = CONSOLE_RENDERER_TITLE_EVENT;
639 console_input_events_append( console->evt, &evt );
642 if (req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_MODE)
644 console->history_mode = req->history_mode;
646 if ((req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_SIZE) &&
647 console->history_size != req->history_size)
649 WCHAR** mem = NULL;
650 int i;
651 int delta;
653 if (req->history_size)
655 mem = mem_alloc( req->history_size * sizeof(WCHAR*) );
656 if (!mem) goto error;
657 memset( mem, 0, req->history_size * sizeof(WCHAR*) );
660 delta = (console->history_index > req->history_size) ?
661 (console->history_index - req->history_size) : 0;
663 for (i = delta; i < console->history_index; i++)
665 mem[i - delta] = console->history[i];
666 console->history[i] = NULL;
668 console->history_index -= delta;
670 for (i = 0; i < console->history_size; i++)
671 if (console->history[i]) free( console->history[i] );
672 free( console->history );
673 console->history = mem;
674 console->history_size = req->history_size;
676 if (req->mask & SET_CONSOLE_INPUT_INFO_EDITION_MODE)
678 console->edition_mode = req->edition_mode;
680 release_object( console );
681 return 1;
682 error:
683 if (console) release_object( console );
684 return 0;
687 /* resize a screen buffer */
688 static int change_screen_buffer_size( struct screen_buffer *screen_buffer,
689 int new_width, int new_height )
691 int i, old_width, old_height, copy_width, copy_height;
692 char_info_t *new_data;
694 if (!(new_data = malloc( new_width * new_height * sizeof(*new_data) )))
696 set_error( STATUS_NO_MEMORY );
697 return 0;
699 old_width = screen_buffer->width;
700 old_height = screen_buffer->height;
701 copy_width = min( old_width, new_width );
702 copy_height = min( old_height, new_height );
704 /* copy all the rows */
705 for (i = 0; i < copy_height; i++)
707 memcpy( &new_data[i * new_width], &screen_buffer->data[i * old_width],
708 copy_width * sizeof(char_info_t) );
711 /* clear the end of each row */
712 if (new_width > old_width)
714 /* fill first row */
715 for (i = old_width; i < new_width; i++) new_data[i] = empty_char_info;
716 /* and blast it to the other rows */
717 for (i = 1; i < copy_height; i++)
718 memcpy( &new_data[i * new_width + old_width], &new_data[old_width],
719 (new_width - old_width) * sizeof(char_info_t) );
722 /* clear remaining rows */
723 if (new_height > old_height)
725 /* fill first row */
726 for (i = 0; i < new_width; i++) new_data[old_height * new_width + i] = empty_char_info;
727 /* and blast it to the other rows */
728 for (i = old_height+1; i < new_height; i++)
729 memcpy( &new_data[i * new_width], &new_data[old_height * new_width],
730 new_width * sizeof(char_info_t) );
732 free( screen_buffer->data );
733 screen_buffer->data = new_data;
734 screen_buffer->width = new_width;
735 screen_buffer->height = new_height;
736 return 1;
739 /* set misc screen buffer information */
740 static int set_console_output_info( struct screen_buffer *screen_buffer,
741 const struct set_console_output_info_request *req )
743 struct console_renderer_event evt;
745 memset(&evt.u, 0, sizeof(evt.u));
746 if (req->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM)
748 if (req->cursor_size < 1 || req->cursor_size > 100)
750 set_error( STATUS_INVALID_PARAMETER );
751 return 0;
753 if (screen_buffer->cursor_size != req->cursor_size ||
754 screen_buffer->cursor_visible != req->cursor_visible)
756 screen_buffer->cursor_size = req->cursor_size;
757 screen_buffer->cursor_visible = req->cursor_visible;
758 evt.event = CONSOLE_RENDERER_CURSOR_GEOM_EVENT;
759 evt.u.cursor_geom.size = req->cursor_size;
760 evt.u.cursor_geom.visible = req->cursor_visible;
761 console_input_events_append( screen_buffer->input->evt, &evt );
764 if (req->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_POS)
766 if (req->cursor_x < 0 || req->cursor_x >= screen_buffer->width ||
767 req->cursor_y < 0 || req->cursor_y >= screen_buffer->height)
769 set_error( STATUS_INVALID_PARAMETER );
770 return 0;
772 if (screen_buffer->cursor_x != req->cursor_x || screen_buffer->cursor_y != req->cursor_y)
774 screen_buffer->cursor_x = req->cursor_x;
775 screen_buffer->cursor_y = req->cursor_y;
776 evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
777 evt.u.cursor_pos.x = req->cursor_x;
778 evt.u.cursor_pos.y = req->cursor_y;
779 console_input_events_append( screen_buffer->input->evt, &evt );
782 if (req->mask & SET_CONSOLE_OUTPUT_INFO_SIZE)
784 unsigned cc;
786 /* new screen-buffer cannot be smaller than actual window */
787 if (req->width < screen_buffer->win.right - screen_buffer->win.left + 1 ||
788 req->height < screen_buffer->win.bottom - screen_buffer->win.top + 1)
790 set_error( STATUS_INVALID_PARAMETER );
791 return 0;
793 /* FIXME: there are also some basic minimum and max size to deal with */
794 if (!change_screen_buffer_size( screen_buffer, req->width, req->height )) return 0;
796 evt.event = CONSOLE_RENDERER_SB_RESIZE_EVENT;
797 evt.u.resize.width = req->width;
798 evt.u.resize.height = req->height;
799 console_input_events_append( screen_buffer->input->evt, &evt );
801 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
802 evt.u.update.top = 0;
803 evt.u.update.bottom = screen_buffer->height - 1;
804 console_input_events_append( screen_buffer->input->evt, &evt );
806 /* scroll window to display sb */
807 if (screen_buffer->win.right >= req->width)
809 screen_buffer->win.right -= screen_buffer->win.left;
810 screen_buffer->win.left = 0;
812 if (screen_buffer->win.bottom >= req->height)
814 screen_buffer->win.bottom -= screen_buffer->win.top;
815 screen_buffer->win.top = 0;
817 /* reset cursor if needed (normally, if cursor was outside of new sb, the
818 * window has been shifted so that the new position of the cursor will be
819 * visible */
820 cc = 0;
821 if (screen_buffer->cursor_x >= req->width)
823 screen_buffer->cursor_x = req->width - 1;
824 cc++;
826 if (screen_buffer->cursor_y >= req->height)
828 screen_buffer->cursor_y = req->height - 1;
829 cc++;
831 if (cc)
833 evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
834 evt.u.cursor_pos.x = req->cursor_x;
835 evt.u.cursor_pos.y = req->cursor_y;
836 console_input_events_append( screen_buffer->input->evt, &evt );
839 if (screen_buffer == screen_buffer->input->active &&
840 screen_buffer->input->mode & ENABLE_WINDOW_INPUT)
842 INPUT_RECORD ir;
843 ir.EventType = WINDOW_BUFFER_SIZE_EVENT;
844 ir.Event.WindowBufferSizeEvent.dwSize.X = req->width;
845 ir.Event.WindowBufferSizeEvent.dwSize.Y = req->height;
846 write_console_input( screen_buffer->input, 1, &ir );
849 if (req->mask & SET_CONSOLE_OUTPUT_INFO_ATTR)
851 screen_buffer->attr = req->attr;
853 if (req->mask & SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW)
855 if (req->win_left < 0 || req->win_left > req->win_right ||
856 req->win_right >= screen_buffer->width ||
857 req->win_top < 0 || req->win_top > req->win_bottom ||
858 req->win_bottom >= screen_buffer->height)
860 set_error( STATUS_INVALID_PARAMETER );
861 return 0;
863 if (screen_buffer->win.left != req->win_left || screen_buffer->win.top != req->win_top ||
864 screen_buffer->win.right != req->win_right || screen_buffer->win.bottom != req->win_bottom)
866 screen_buffer->win.left = req->win_left;
867 screen_buffer->win.top = req->win_top;
868 screen_buffer->win.right = req->win_right;
869 screen_buffer->win.bottom = req->win_bottom;
870 evt.event = CONSOLE_RENDERER_DISPLAY_EVENT;
871 evt.u.display.left = req->win_left;
872 evt.u.display.top = req->win_top;
873 evt.u.display.width = req->win_right - req->win_left + 1;
874 evt.u.display.height = req->win_bottom - req->win_top + 1;
875 console_input_events_append( screen_buffer->input->evt, &evt );
878 if (req->mask & SET_CONSOLE_OUTPUT_INFO_MAX_SIZE)
880 /* can only be done by renderer */
881 if (current->process->console != screen_buffer->input)
883 set_error( STATUS_INVALID_PARAMETER );
884 return 0;
887 screen_buffer->max_width = req->max_width;
888 screen_buffer->max_height = req->max_height;
891 return 1;
894 /* appends a new line to history (history is a fixed size array) */
895 static void console_input_append_hist( struct console_input* console, const WCHAR* buf, data_size_t len )
897 WCHAR* ptr = mem_alloc( (len + 1) * sizeof(WCHAR) );
899 if (!ptr)
900 return;
902 if (!console || !console->history_size)
904 set_error( STATUS_INVALID_PARAMETER ); /* FIXME */
905 free( ptr );
906 return;
909 memcpy( ptr, buf, len * sizeof(WCHAR) );
910 ptr[len] = 0;
912 if (console->history_mode && console->history_index &&
913 strncmpW( console->history[console->history_index - 1], ptr, len * sizeof(WCHAR) ) == 0)
915 /* ok, mode ask us to not use twice the same string...
916 * so just free mem and returns
918 set_error( STATUS_ALIAS_EXISTS );
919 free(ptr);
920 return;
923 if (console->history_index < console->history_size)
925 console->history[console->history_index++] = ptr;
927 else
929 free( console->history[0]) ;
930 memmove( &console->history[0], &console->history[1],
931 (console->history_size - 1) * sizeof(WCHAR*) );
932 console->history[console->history_size - 1] = ptr;
936 /* returns a line from the cache */
937 static data_size_t console_input_get_hist( struct console_input *console, int index )
939 data_size_t ret = 0;
941 if (index >= console->history_index) set_error( STATUS_INVALID_PARAMETER );
942 else
944 ret = strlenW( console->history[index] ) * sizeof(WCHAR);
945 set_reply_data( console->history[index], min( ret, get_reply_max_size() ));
947 return ret;
950 /* dumb dump */
951 static void console_input_dump( struct object *obj, int verbose )
953 struct console_input *console = (struct console_input *)obj;
954 assert( obj->ops == &console_input_ops );
955 fprintf( stderr, "Console input active=%p evt=%p\n",
956 console->active, console->evt );
959 static void console_input_destroy( struct object *obj )
961 struct console_input* console_in = (struct console_input *)obj;
962 struct screen_buffer* curr;
963 int i;
965 assert( obj->ops == &console_input_ops );
966 free( console_in->title );
967 free( console_in->records );
969 if (console_in->active) release_object( console_in->active );
970 console_in->active = NULL;
972 LIST_FOR_EACH_ENTRY( curr, &screen_buffer_list, struct screen_buffer, entry )
974 if (curr->input == console_in) curr->input = NULL;
977 release_object( console_in->evt );
978 console_in->evt = NULL;
979 release_object( console_in->event );
981 for (i = 0; i < console_in->history_size; i++)
982 if (console_in->history[i]) free( console_in->history[i] );
983 free( console_in->history );
986 static void screen_buffer_dump( struct object *obj, int verbose )
988 struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
989 assert( obj->ops == &screen_buffer_ops );
991 fprintf(stderr, "Console screen buffer input=%p\n", screen_buffer->input );
994 static void screen_buffer_destroy( struct object *obj )
996 struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
998 assert( obj->ops == &screen_buffer_ops );
1000 list_remove( &screen_buffer->entry );
1002 if (screen_buffer->input && screen_buffer->input->active == screen_buffer)
1004 struct screen_buffer *sb;
1006 screen_buffer->input->active = NULL;
1007 LIST_FOR_EACH_ENTRY( sb, &screen_buffer_list, struct screen_buffer, entry )
1009 if (sb->input == screen_buffer->input)
1011 sb->input->active = sb;
1012 break;
1016 free( screen_buffer->data );
1019 /* write data into a screen buffer */
1020 static int write_console_output( struct screen_buffer *screen_buffer, data_size_t size,
1021 const void* data, enum char_info_mode mode,
1022 int x, int y, int wrap )
1024 unsigned int i;
1025 char_info_t *end, *dest = screen_buffer->data + y * screen_buffer->width + x;
1027 if (y >= screen_buffer->height) return 0;
1029 if (wrap)
1030 end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
1031 else
1032 end = screen_buffer->data + (y+1) * screen_buffer->width;
1034 switch(mode)
1036 case CHAR_INFO_MODE_TEXT:
1038 const WCHAR *ptr = data;
1039 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) dest->ch = ptr[i];
1041 break;
1042 case CHAR_INFO_MODE_ATTR:
1044 const unsigned short *ptr = data;
1045 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) dest->attr = ptr[i];
1047 break;
1048 case CHAR_INFO_MODE_TEXTATTR:
1050 const char_info_t *ptr = data;
1051 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) *dest = ptr[i];
1053 break;
1054 case CHAR_INFO_MODE_TEXTSTDATTR:
1056 const WCHAR *ptr = data;
1057 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++)
1059 dest->ch = ptr[i];
1060 dest->attr = screen_buffer->attr;
1063 break;
1064 default:
1065 set_error( STATUS_INVALID_PARAMETER );
1066 return 0;
1069 if (i && screen_buffer == screen_buffer->input->active)
1071 struct console_renderer_event evt;
1072 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1073 memset(&evt.u, 0, sizeof(evt.u));
1074 evt.u.update.top = y + x / screen_buffer->width;
1075 evt.u.update.bottom = y + (x + i - 1) / screen_buffer->width;
1076 console_input_events_append( screen_buffer->input->evt, &evt );
1078 return i;
1081 /* fill a screen buffer with uniform data */
1082 static int fill_console_output( struct screen_buffer *screen_buffer, char_info_t data,
1083 enum char_info_mode mode, int x, int y, int count, int wrap )
1085 int i;
1086 char_info_t *end, *dest = screen_buffer->data + y * screen_buffer->width + x;
1088 if (y >= screen_buffer->height) return 0;
1090 if (wrap)
1091 end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
1092 else
1093 end = screen_buffer->data + (y+1) * screen_buffer->width;
1095 if (count > end - dest) count = end - dest;
1097 switch(mode)
1099 case CHAR_INFO_MODE_TEXT:
1100 for (i = 0; i < count; i++) dest[i].ch = data.ch;
1101 break;
1102 case CHAR_INFO_MODE_ATTR:
1103 for (i = 0; i < count; i++) dest[i].attr = data.attr;
1104 break;
1105 case CHAR_INFO_MODE_TEXTATTR:
1106 for (i = 0; i < count; i++) dest[i] = data;
1107 break;
1108 case CHAR_INFO_MODE_TEXTSTDATTR:
1109 for (i = 0; i < count; i++)
1111 dest[i].ch = data.ch;
1112 dest[i].attr = screen_buffer->attr;
1114 break;
1115 default:
1116 set_error( STATUS_INVALID_PARAMETER );
1117 return 0;
1120 if (count && screen_buffer == screen_buffer->input->active)
1122 struct console_renderer_event evt;
1123 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1124 memset(&evt.u, 0, sizeof(evt.u));
1125 evt.u.update.top = y;
1126 evt.u.update.bottom = (y * screen_buffer->width + x + count - 1) / screen_buffer->width;
1127 console_input_events_append( screen_buffer->input->evt, &evt );
1129 return i;
1132 /* read data from a screen buffer */
1133 static void read_console_output( struct screen_buffer *screen_buffer, int x, int y,
1134 enum char_info_mode mode, int wrap )
1136 int i;
1137 char_info_t *end, *src = screen_buffer->data + y * screen_buffer->width + x;
1139 if (y >= screen_buffer->height) return;
1141 if (wrap)
1142 end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
1143 else
1144 end = screen_buffer->data + (y+1) * screen_buffer->width;
1146 switch(mode)
1148 case CHAR_INFO_MODE_TEXT:
1150 WCHAR *data;
1151 int count = min( end - src, get_reply_max_size() / sizeof(*data) );
1152 if ((data = set_reply_data_size( count * sizeof(*data) )))
1154 for (i = 0; i < count; i++) data[i] = src[i].ch;
1157 break;
1158 case CHAR_INFO_MODE_ATTR:
1160 unsigned short *data;
1161 int count = min( end - src, get_reply_max_size() / sizeof(*data) );
1162 if ((data = set_reply_data_size( count * sizeof(*data) )))
1164 for (i = 0; i < count; i++) data[i] = src[i].attr;
1167 break;
1168 case CHAR_INFO_MODE_TEXTATTR:
1170 char_info_t *data;
1171 int count = min( end - src, get_reply_max_size() / sizeof(*data) );
1172 if ((data = set_reply_data_size( count * sizeof(*data) )))
1174 for (i = 0; i < count; i++) data[i] = src[i];
1177 break;
1178 default:
1179 set_error( STATUS_INVALID_PARAMETER );
1180 break;
1184 /* scroll parts of a screen buffer */
1185 static void scroll_console_output( obj_handle_t handle, int xsrc, int ysrc, int xdst, int ydst,
1186 int w, int h )
1188 struct screen_buffer *screen_buffer;
1189 int j;
1190 char_info_t *psrc, *pdst;
1191 struct console_renderer_event evt;
1193 if (!(screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, handle,
1194 CONSOLE_READ, &screen_buffer_ops )))
1195 return;
1196 if (xsrc < 0 || ysrc < 0 || xdst < 0 || ydst < 0 ||
1197 xsrc + w > screen_buffer->width ||
1198 xdst + w > screen_buffer->width ||
1199 ysrc + h > screen_buffer->height ||
1200 ydst + h > screen_buffer->height ||
1201 w == 0 || h == 0)
1203 set_error( STATUS_INVALID_PARAMETER );
1204 release_object( screen_buffer );
1205 return;
1208 if (ysrc < ydst)
1210 psrc = &screen_buffer->data[(ysrc + h - 1) * screen_buffer->width + xsrc];
1211 pdst = &screen_buffer->data[(ydst + h - 1) * screen_buffer->width + xdst];
1213 for (j = h; j > 0; j--)
1215 memcpy(pdst, psrc, w * sizeof(*pdst) );
1216 pdst -= screen_buffer->width;
1217 psrc -= screen_buffer->width;
1220 else
1222 psrc = &screen_buffer->data[ysrc * screen_buffer->width + xsrc];
1223 pdst = &screen_buffer->data[ydst * screen_buffer->width + xdst];
1225 for (j = 0; j < h; j++)
1227 /* we use memmove here because when psrc and pdst are the same,
1228 * copies are done on the same row, so the dst and src blocks
1229 * can overlap */
1230 memmove( pdst, psrc, w * sizeof(*pdst) );
1231 pdst += screen_buffer->width;
1232 psrc += screen_buffer->width;
1236 /* FIXME: this could be enhanced, by signalling scroll */
1237 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1238 memset(&evt.u, 0, sizeof(evt.u));
1239 evt.u.update.top = min(ysrc, ydst);
1240 evt.u.update.bottom = max(ysrc, ydst) + h - 1;
1241 console_input_events_append( screen_buffer->input->evt, &evt );
1243 release_object( screen_buffer );
1246 /* allocate a console for the renderer */
1247 DECL_HANDLER(alloc_console)
1249 obj_handle_t in = 0;
1250 obj_handle_t evt = 0;
1251 struct process *process;
1252 struct process *renderer = current->process;
1253 struct console_input *console;
1255 if (req->pid)
1257 if (!(process = get_process_from_id( req->pid ))) return;
1259 else
1261 if (!(process = renderer->parent))
1263 set_error( STATUS_ACCESS_DENIED );
1264 return;
1266 grab_object( process );
1269 if (process != renderer && process->console)
1271 set_error( STATUS_ACCESS_DENIED );
1272 goto the_end;
1274 if ((console = (struct console_input*)create_console_input( current )))
1276 if ((in = alloc_handle( renderer, console, req->access, req->attributes )))
1278 if ((evt = alloc_handle( renderer, console->evt, SYNCHRONIZE|GENERIC_READ|GENERIC_WRITE, 0 )))
1280 if (process != renderer)
1282 process->console = (struct console_input*)grab_object( console );
1283 console->num_proc++;
1285 reply->handle_in = in;
1286 reply->event = evt;
1287 release_object( console );
1288 goto the_end;
1290 close_handle( renderer, in );
1292 free_console( process );
1294 the_end:
1295 release_object( process );
1298 /* free the console of the current process */
1299 DECL_HANDLER(free_console)
1301 free_console( current->process );
1304 /* let the renderer peek the events it's waiting on */
1305 DECL_HANDLER(get_console_renderer_events)
1307 struct console_input_events *evt;
1309 evt = (struct console_input_events *)get_handle_obj( current->process, req->handle,
1310 CONSOLE_READ, &console_input_events_ops );
1311 if (!evt) return;
1312 console_input_events_get( evt );
1313 release_object( evt );
1316 /* open a handle to the process console */
1317 DECL_HANDLER(open_console)
1319 struct object *obj = NULL;
1321 reply->handle = 0;
1322 if (req->from == (obj_handle_t)0)
1324 if (current->process->console && current->process->console->renderer)
1325 obj = grab_object( (struct object*)current->process->console );
1327 else if (req->from == (obj_handle_t)1)
1329 if (current->process->console && current->process->console->renderer &&
1330 current->process->console->active)
1331 obj = grab_object( (struct object*)current->process->console->active );
1333 else if ((obj = get_handle_obj( current->process, req->from,
1334 CONSOLE_READ|CONSOLE_WRITE, &console_input_ops )))
1336 struct console_input *console = (struct console_input *)obj;
1337 obj = (console->active) ? grab_object( console->active ) : NULL;
1338 release_object( console );
1341 /* FIXME: req->share is not used (as in screen buffer creation) */
1342 if (obj)
1344 reply->handle = alloc_handle( current->process, obj, req->access, req->attributes );
1345 release_object( obj );
1347 else if (!get_error()) set_error( STATUS_ACCESS_DENIED );
1350 /* set info about a console input */
1351 DECL_HANDLER(set_console_input_info)
1353 set_console_input_info( req, get_req_data(), get_req_data_size() );
1356 /* get info about a console (output only) */
1357 DECL_HANDLER(get_console_input_info)
1359 struct console_input *console;
1361 if (!(console = console_input_get( req->handle, CONSOLE_READ ))) return;
1362 if (console->title)
1364 data_size_t len = strlenW( console->title ) * sizeof(WCHAR);
1365 if (len > get_reply_max_size()) len = get_reply_max_size();
1366 set_reply_data( console->title, len );
1368 reply->history_mode = console->history_mode;
1369 reply->history_size = console->history_size;
1370 reply->history_index = console->history_index;
1371 reply->edition_mode = console->edition_mode;
1373 release_object( console );
1376 /* get a console mode (input or output) */
1377 DECL_HANDLER(get_console_mode)
1379 reply->mode = get_console_mode( req->handle );
1382 /* set a console mode (input or output) */
1383 DECL_HANDLER(set_console_mode)
1385 set_console_mode( req->handle, req->mode );
1388 /* add input records to a console input queue */
1389 DECL_HANDLER(write_console_input)
1391 struct console_input *console;
1393 reply->written = 0;
1394 if (!(console = (struct console_input *)get_handle_obj( current->process, req->handle,
1395 CONSOLE_WRITE, &console_input_ops )))
1396 return;
1397 reply->written = write_console_input( console, get_req_data_size() / sizeof(INPUT_RECORD),
1398 get_req_data() );
1399 release_object( console );
1402 /* fetch input records from a console input queue */
1403 DECL_HANDLER(read_console_input)
1405 int count = get_reply_max_size() / sizeof(INPUT_RECORD);
1406 reply->read = read_console_input( req->handle, count, req->flush );
1409 /* appends a string to console's history */
1410 DECL_HANDLER(append_console_input_history)
1412 struct console_input *console;
1414 if (!(console = console_input_get( req->handle, CONSOLE_WRITE ))) return;
1415 console_input_append_hist( console, get_req_data(), get_req_data_size() / sizeof(WCHAR) );
1416 release_object( console );
1419 /* appends a string to console's history */
1420 DECL_HANDLER(get_console_input_history)
1422 struct console_input *console;
1424 if (!(console = console_input_get( req->handle, CONSOLE_WRITE ))) return;
1425 reply->total = console_input_get_hist( console, req->index );
1426 release_object( console );
1429 /* creates a screen buffer */
1430 DECL_HANDLER(create_console_output)
1432 struct console_input* console;
1433 struct screen_buffer* screen_buffer;
1435 if (!(console = console_input_get( req->handle_in, CONSOLE_WRITE ))) return;
1437 screen_buffer = create_console_output( console );
1438 if (screen_buffer)
1440 /* FIXME: should store sharing and test it when opening the CONOUT$ device
1441 * see file.c on how this could be done */
1442 reply->handle_out = alloc_handle( current->process, screen_buffer, req->access, req->attributes );
1443 release_object( screen_buffer );
1445 release_object( console );
1448 /* set info about a console screen buffer */
1449 DECL_HANDLER(set_console_output_info)
1451 struct screen_buffer *screen_buffer;
1453 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1454 CONSOLE_WRITE, &screen_buffer_ops)))
1456 set_console_output_info( screen_buffer, req );
1457 release_object( screen_buffer );
1461 /* get info about a console screen buffer */
1462 DECL_HANDLER(get_console_output_info)
1464 struct screen_buffer *screen_buffer;
1466 if ((screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->handle,
1467 CONSOLE_READ, &screen_buffer_ops)))
1469 reply->cursor_size = screen_buffer->cursor_size;
1470 reply->cursor_visible = screen_buffer->cursor_visible;
1471 reply->cursor_x = screen_buffer->cursor_x;
1472 reply->cursor_y = screen_buffer->cursor_y;
1473 reply->width = screen_buffer->width;
1474 reply->height = screen_buffer->height;
1475 reply->attr = screen_buffer->attr;
1476 reply->win_left = screen_buffer->win.left;
1477 reply->win_top = screen_buffer->win.top;
1478 reply->win_right = screen_buffer->win.right;
1479 reply->win_bottom = screen_buffer->win.bottom;
1480 reply->max_width = screen_buffer->max_width;
1481 reply->max_height = screen_buffer->max_height;
1482 release_object( screen_buffer );
1486 /* read data (chars & attrs) from a screen buffer */
1487 DECL_HANDLER(read_console_output)
1489 struct screen_buffer *screen_buffer;
1491 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1492 CONSOLE_READ, &screen_buffer_ops )))
1494 read_console_output( screen_buffer, req->x, req->y, req->mode, req->wrap );
1495 reply->width = screen_buffer->width;
1496 reply->height = screen_buffer->height;
1497 release_object( screen_buffer );
1501 /* write data (char and/or attrs) to a screen buffer */
1502 DECL_HANDLER(write_console_output)
1504 struct screen_buffer *screen_buffer;
1506 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1507 CONSOLE_WRITE, &screen_buffer_ops)))
1509 reply->written = write_console_output( screen_buffer, get_req_data_size(), get_req_data(),
1510 req->mode, req->x, req->y, req->wrap );
1511 reply->width = screen_buffer->width;
1512 reply->height = screen_buffer->height;
1513 release_object( screen_buffer );
1517 /* fill a screen buffer with constant data (chars and/or attributes) */
1518 DECL_HANDLER(fill_console_output)
1520 struct screen_buffer *screen_buffer;
1522 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1523 CONSOLE_WRITE, &screen_buffer_ops)))
1525 reply->written = fill_console_output( screen_buffer, req->data, req->mode,
1526 req->x, req->y, req->count, req->wrap );
1527 release_object( screen_buffer );
1531 /* move a rect of data in a screen buffer */
1532 DECL_HANDLER(move_console_output)
1534 scroll_console_output( req->handle, req->x_src, req->y_src, req->x_dst, req->y_dst,
1535 req->w, req->h );
1538 /* sends a signal to a console (process, group...) */
1539 DECL_HANDLER(send_console_signal)
1541 process_id_t group;
1543 group = req->group_id ? req->group_id : current->process->group_id;
1545 if (!group)
1546 set_error( STATUS_INVALID_PARAMETER );
1547 else
1548 propagate_console_signal( current->process->console, req->signal, group );
1551 /* get console which renderer is 'current' */
1552 static int cgwe_enum( struct process* process, void* user)
1554 if (process->console && process->console->renderer == current)
1556 *(struct console_input**)user = process->console;
1557 return 1;
1559 return 0;
1562 DECL_HANDLER(get_console_wait_event)
1564 struct console_input* console = NULL;
1566 if (current->process->console && current->process->console->renderer)
1567 console = (struct console_input*)grab_object( (struct object*)current->process->console );
1568 else enum_processes(cgwe_enum, &console);
1570 if (console)
1572 reply->handle = alloc_handle( current->process, console->event, EVENT_ALL_ACCESS, 0 );
1573 release_object( console );
1575 else set_error( STATUS_INVALID_PARAMETER );