console.c 54.8 KB
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/*
 * Server-side console management
 *
 * Copyright (C) 1998 Alexandre Julliard
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 *               2001 Eric Pouech
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 *
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 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
#include <unistd.h>
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#include <signal.h>
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#include "ntstatus.h"
#define WIN32_NO_STATUS
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#include "handle.h"
#include "process.h"
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#include "request.h"
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#include "unicode.h"
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#include "wincon.h"
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#include "winternl.h"
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/* specific access rights (FIXME: should use finer-grained access rights) */
#define CONSOLE_READ   0x01
#define CONSOLE_WRITE  0x02

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struct screen_buffer;
struct console_input_events;

struct console_input
{
    struct object                obj;           /* object header */
    int                          num_proc;      /* number of processes attached to this console */
    struct thread               *renderer;      /* console renderer thread */
    int                          mode;          /* input mode */
    struct screen_buffer        *active;        /* active screen buffer */
    int                          recnum;        /* number of input records */
    INPUT_RECORD                *records;       /* input records */
    struct console_input_events *evt;           /* synchronization event with renderer */
    WCHAR                       *title;         /* console title */
    WCHAR                      **history;       /* lines history */
    int                          history_size;  /* number of entries in history array */
    int                          history_index; /* number of used entries in history array */
    int                          history_mode;  /* mode of history (non zero means remove doubled strings */
    int                          edition_mode;  /* index to edition mode flavors */
    int                          input_cp;      /* console input codepage */
    int                          output_cp;     /* console output codepage */
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    user_handle_t                win;           /* window handle if backend supports it */
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    struct event                *event;         /* event to wait on for input queue */
};

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static unsigned int console_map_access( struct object *obj, unsigned int access );

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static void console_input_dump( struct object *obj, int verbose );
static void console_input_destroy( struct object *obj );

static const struct object_ops console_input_ops =
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{
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    sizeof(struct console_input),     /* size */
    console_input_dump,               /* dump */
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    no_get_type,                      /* get_type */
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    no_add_queue,                     /* add_queue */
    NULL,                             /* remove_queue */
    NULL,                             /* signaled */
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    no_satisfied,                     /* satisfied */
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    no_signal,                        /* signal */
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    no_get_fd,                        /* get_fd */
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    console_map_access,               /* map_access */
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    default_get_sd,                   /* get_sd */
    default_set_sd,                   /* set_sd */
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    no_lookup_name,                   /* lookup_name */
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    no_open_file,                     /* open_file */
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    no_close_handle,                  /* close_handle */
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    console_input_destroy             /* destroy */
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};

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static void console_input_events_dump( struct object *obj, int verbose );
static void console_input_events_destroy( struct object *obj );
static int  console_input_events_signaled( struct object *obj, struct thread *thread );

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struct console_input_events
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{
    struct object         obj;         /* object header */
    int			  num_alloc;   /* number of allocated events */
    int 		  num_used;    /* number of actually used events */
    struct console_renderer_event*	events;
};

static const struct object_ops console_input_events_ops =
{
    sizeof(struct console_input_events), /* size */
    console_input_events_dump,        /* dump */
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    no_get_type,                      /* get_type */
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    add_queue,                        /* add_queue */
    remove_queue,                     /* remove_queue */
    console_input_events_signaled,    /* signaled */
    no_satisfied,                     /* satisfied */
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    no_signal,                        /* signal */
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    no_get_fd,                        /* get_fd */
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    console_map_access,               /* map_access */
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    default_get_sd,                   /* get_sd */
    default_set_sd,                   /* set_sd */
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    no_lookup_name,                   /* lookup_name */
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    no_open_file,                     /* open_file */
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    no_close_handle,                  /* close_handle */
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    console_input_events_destroy      /* destroy */
};

struct screen_buffer
{
    struct object         obj;           /* object header */
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    struct list           entry;         /* entry in list of all screen buffers */
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    struct console_input *input;         /* associated console input */
    int                   mode;          /* output mode */
    int                   cursor_size;   /* size of cursor (percentage filled) */
    int                   cursor_visible;/* cursor visibility flag */
    int                   cursor_x;      /* position of cursor */
    int                   cursor_y;      /* position of cursor */
    int                   width;         /* size (w-h) of the screen buffer */
    int                   height;
    int                   max_width;     /* size (w-h) of the window given font size */
    int                   max_height;
    char_info_t          *data;          /* the data for each cell - a width x height matrix */
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    unsigned short        attr;          /* default attribute for screen buffer */
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    rectangle_t           win;           /* current visible window on the screen buffer *
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					  * as seen in wineconsole */
};

static void screen_buffer_dump( struct object *obj, int verbose );
static void screen_buffer_destroy( struct object *obj );

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static const struct object_ops screen_buffer_ops =
{
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    sizeof(struct screen_buffer),     /* size */
    screen_buffer_dump,               /* dump */
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    no_get_type,                      /* get_type */
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    no_add_queue,                     /* add_queue */
    NULL,                             /* remove_queue */
    NULL,                             /* signaled */
    NULL,                             /* satisfied */
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    no_signal,                        /* signal */
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    no_get_fd,                        /* get_fd */
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    console_map_access,               /* map_access */
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    default_get_sd,                   /* get_sd */
    default_set_sd,                   /* set_sd */
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    no_lookup_name,                   /* lookup_name */
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    no_open_file,                     /* open_file */
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    no_close_handle,                  /* close_handle */
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    screen_buffer_destroy             /* destroy */
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};

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static struct list screen_buffer_list = LIST_INIT(screen_buffer_list);
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static const char_info_t empty_char_info = { ' ', 0x000f };  /* white on black space */
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/* access mapping for all console objects */
static unsigned int console_map_access( struct object *obj, unsigned int access )
{
    if (access & GENERIC_READ)    access |= SYNCHRONIZE | STANDARD_RIGHTS_READ | CONSOLE_READ;
    if (access & GENERIC_WRITE)   access |= SYNCHRONIZE | STANDARD_RIGHTS_WRITE | CONSOLE_WRITE;
    if (access & GENERIC_EXECUTE) access |= SYNCHRONIZE | STANDARD_RIGHTS_EXECUTE;
    if (access & GENERIC_ALL)     access |= STANDARD_RIGHTS_ALL | CONSOLE_READ | CONSOLE_WRITE;
    return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
}

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/* dumps the renderer events of a console */
static void console_input_events_dump( struct object *obj, int verbose )
{
    struct console_input_events *evts = (struct console_input_events *)obj;
    assert( obj->ops == &console_input_events_ops );
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    fprintf( stderr, "Console input events: %d/%d events\n",
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	     evts->num_used, evts->num_alloc );
}

/* destroys the renderer events of a console */
static void console_input_events_destroy( struct object *obj )
{
    struct console_input_events *evts = (struct console_input_events *)obj;
    assert( obj->ops == &console_input_events_ops );
    free( evts->events );
}
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/* the renderer events list is signaled when it's not empty */
static int console_input_events_signaled( struct object *obj, struct thread *thread )
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{
    struct console_input_events *evts = (struct console_input_events *)obj;
    assert( obj->ops == &console_input_events_ops );
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    return (evts->num_used != 0);
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}

/* add an event to the console's renderer events list */
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static void console_input_events_append( struct console_input_events* evts,
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					 struct console_renderer_event* evt)
{
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    int collapsed = FALSE;

    /* to be done even when evt has been generated by the rendere ? */

    /* try to collapse evt into current queue's events */
    if (evts->num_used)
    {
        struct console_renderer_event* last = &evts->events[evts->num_used - 1];

        if (last->event == CONSOLE_RENDERER_UPDATE_EVENT &&
            evt->event == CONSOLE_RENDERER_UPDATE_EVENT)
        {
            /* if two update events overlap, collapse them into a single one */
            if (last->u.update.bottom + 1 >= evt->u.update.top &&
                evt->u.update.bottom + 1 >= last->u.update.top)
            {
                last->u.update.top = min(last->u.update.top, evt->u.update.top);
                last->u.update.bottom = max(last->u.update.bottom, evt->u.update.bottom);
                collapsed = TRUE;
            }
        }
    }
    if (!collapsed)
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    {
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        if (evts->num_used == evts->num_alloc)
        {
            evts->num_alloc += 16;
            evts->events = realloc( evts->events, evts->num_alloc * sizeof(*evt) );
            assert(evts->events);
        }
        evts->events[evts->num_used++] = *evt;
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    }
    wake_up( &evts->obj, 0 );
}

/* retrieves events from the console's renderer events list */
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static void console_input_events_get( struct console_input_events* evts )
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{
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    data_size_t num = get_reply_max_size() / sizeof(evts->events[0]);
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    if (num > evts->num_used) num = evts->num_used;
    set_reply_data( evts->events, num * sizeof(evts->events[0]) );
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    if (num < evts->num_used)
    {
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        memmove( &evts->events[0], &evts->events[num],
                 (evts->num_used - num) * sizeof(evts->events[0]) );
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    }
    evts->num_used -= num;
}

static struct console_input_events *create_console_input_events(void)
{
    struct console_input_events*	evt;

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    if (!(evt = alloc_object( &console_input_events_ops ))) return NULL;
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    evt->num_alloc = evt->num_used = 0;
    evt->events = NULL;
    return evt;
}

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static struct object *create_console_input( struct thread* renderer )
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{
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    struct console_input *console_input;
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    if (!(console_input = alloc_object( &console_input_ops ))) return NULL;
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    console_input->renderer      = renderer;
    console_input->mode          = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
	                           ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
    console_input->num_proc      = 0;
    console_input->active        = NULL;
    console_input->recnum        = 0;
    console_input->records       = NULL;
    console_input->evt           = create_console_input_events();
    console_input->title         = NULL;
    console_input->history_size  = 50;
    console_input->history       = calloc( console_input->history_size, sizeof(WCHAR*) );
    console_input->history_index = 0;
    console_input->history_mode  = 0;
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    console_input->edition_mode  = 0;
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    console_input->input_cp      = 0;
    console_input->output_cp     = 0;
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    console_input->win           = 0;
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    console_input->event         = create_event( NULL, NULL, 0, 1, 0, NULL );
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    if (!console_input->history || !console_input->evt)
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    {
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	release_object( console_input );
	return NULL;
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    }
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    return &console_input->obj;
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}

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static void generate_sb_initial_events( struct console_input *console_input )
{
    struct screen_buffer *screen_buffer = console_input->active;
    struct console_renderer_event evt;

    evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
    memset(&evt.u, 0, sizeof(evt.u));
    console_input_events_append( console_input->evt, &evt );

    evt.event = CONSOLE_RENDERER_SB_RESIZE_EVENT;
    evt.u.resize.width  = screen_buffer->width;
    evt.u.resize.height = screen_buffer->height;
    console_input_events_append( console_input->evt, &evt );

    evt.event = CONSOLE_RENDERER_DISPLAY_EVENT;
    evt.u.display.left   = screen_buffer->win.left;
    evt.u.display.top    = screen_buffer->win.top;
    evt.u.display.width  = screen_buffer->win.right - screen_buffer->win.left + 1;
    evt.u.display.height = screen_buffer->win.bottom - screen_buffer->win.top + 1;
    console_input_events_append( console_input->evt, &evt );

    evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
    evt.u.update.top    = 0;
    evt.u.update.bottom = screen_buffer->height - 1;
    console_input_events_append( console_input->evt, &evt );

    evt.event = CONSOLE_RENDERER_CURSOR_GEOM_EVENT;
    evt.u.cursor_geom.size    = screen_buffer->cursor_size;
    evt.u.cursor_geom.visible = screen_buffer->cursor_visible;
    console_input_events_append( console_input->evt, &evt );

    evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
    evt.u.cursor_pos.x = screen_buffer->cursor_x;
    evt.u.cursor_pos.y = screen_buffer->cursor_y;
    console_input_events_append( console_input->evt, &evt );
}

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static struct screen_buffer *create_console_output( struct console_input *console_input )
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{
    struct screen_buffer *screen_buffer;
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    int	i;
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    if (!(screen_buffer = alloc_object( &screen_buffer_ops ))) return NULL;
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    screen_buffer->mode           = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
    screen_buffer->input          = console_input;
    screen_buffer->cursor_size    = 100;
    screen_buffer->cursor_visible = 1;
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    screen_buffer->width          = 80;
    screen_buffer->height         = 150;
    screen_buffer->max_width      = 80;
    screen_buffer->max_height     = 25;
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    screen_buffer->cursor_x       = 0;
    screen_buffer->cursor_y       = 0;
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    screen_buffer->attr           = 0x0F;
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    screen_buffer->win.left       = 0;
    screen_buffer->win.right      = screen_buffer->max_width - 1;
    screen_buffer->win.top        = 0;
    screen_buffer->win.bottom     = screen_buffer->max_height - 1;
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    list_add_head( &screen_buffer_list, &screen_buffer->entry );
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    if (!(screen_buffer->data = malloc( screen_buffer->width * screen_buffer->height *
                                        sizeof(*screen_buffer->data) )))
    {
        release_object( screen_buffer );
        return NULL;
    }
    /* clear the first row */
    for (i = 0; i < screen_buffer->width; i++) screen_buffer->data[i] = empty_char_info;
    /* and copy it to all other rows */
    for (i = 1; i < screen_buffer->height; i++)
        memcpy( &screen_buffer->data[i * screen_buffer->width], screen_buffer->data,
                screen_buffer->width * sizeof(char_info_t) );

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    if (!console_input->active)
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    {
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	console_input->active = (struct screen_buffer*)grab_object( screen_buffer );
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        generate_sb_initial_events( console_input );
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    }
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    return screen_buffer;
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}

/* free the console for this process */
int free_console( struct process *process )
{
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    struct console_input* console = process->console;

    if (!console || !console->renderer) return 0;

    process->console = NULL;
    if (--console->num_proc == 0)
    {
	/* all processes have terminated... tell the renderer to terminate too */
	struct console_renderer_event evt;
	evt.event = CONSOLE_RENDERER_EXIT_EVENT;
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        memset(&evt.u, 0, sizeof(evt.u));
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	console_input_events_append( console->evt, &evt );
    }
    release_object( console );

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    return 1;
}

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/* let process inherit the console from parent... this handle two cases :
 *	1/ generic console inheritance
 *	2/ parent is a renderer which launches process, and process should attach to the console
 *	   renderered by parent
 */
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void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin)
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{
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    int done = 0;
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    struct process* parent = parent_thread->process;
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    /* if parent is a renderer, then attach current process to its console
     * a bit hacky....
     */
    if (hconin)
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    {
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	struct console_input* console;

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        /* FIXME: should we check some access rights ? */
        if ((console = (struct console_input*)get_handle_obj( parent, hconin,
                                                              0, &console_input_ops )))
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	{
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            if (console->renderer == parent_thread)
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	    {
		process->console = (struct console_input*)grab_object( console );
		process->console->num_proc++;
		done = 1;
	    }
	    release_object( console );
	}
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        else clear_error();  /* ignore error */
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    }
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    /* otherwise, if parent has a console, attach child to this console */
    if (!done && parent->console)
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    {
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	assert(parent->console->renderer);
	process->console = (struct console_input*)grab_object( parent->console );
	process->console->num_proc++;
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    }
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}

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struct thread *console_get_renderer( struct console_input *console )
{
    return console->renderer;
}

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static struct console_input* console_input_get( obj_handle_t handle, unsigned access )
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{
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    struct console_input*	console = NULL;
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    if (handle)
	console = (struct console_input *)get_handle_obj( current->process, handle,
							  access, &console_input_ops );
    else if (current->process->console)
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    {
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	assert( current->process->console->renderer );
	console = (struct console_input *)grab_object( current->process->console );
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    }
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    if (!console && !get_error()) set_error(STATUS_INVALID_PARAMETER);
    return console;
}
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struct console_signal_info
{
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    struct console_input        *console;
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    process_id_t                 group;
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    int                          signal;
};

static int propagate_console_signal_cb(struct process *process, void *user)
{
    struct console_signal_info* csi = (struct console_signal_info*)user;

    if (process->console == csi->console && process->running_threads &&
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        (!csi->group || process->group_id == csi->group))
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    {
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        /* find a suitable thread to signal */
        struct thread *thread;
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        LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
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        {
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            if (send_thread_signal( thread, csi->signal )) break;
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        }
    }
    return FALSE;
}

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static void propagate_console_signal( struct console_input *console,
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                                      int sig, process_id_t group_id )
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{
    struct console_signal_info csi;

    if (!console)
    {
        set_error( STATUS_INVALID_PARAMETER );
        return;
    }
    /* FIXME: should support the other events (like CTRL_BREAK) */
    if (sig != CTRL_C_EVENT)
    {
        set_error( STATUS_NOT_IMPLEMENTED );
        return;
    }
    csi.console = console;
    csi.signal  = SIGINT;
    csi.group   = group_id;

    enum_processes(propagate_console_signal_cb, &csi);
}

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static int get_console_mode( obj_handle_t handle )
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{
    struct object *obj;
    int ret = 0;

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    if ((obj = get_handle_obj( current->process, handle, CONSOLE_READ, NULL )))
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    {
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        if (obj->ops == &console_input_ops)
            ret = ((struct console_input *)obj)->mode;
        else if (obj->ops == &screen_buffer_ops)
            ret = ((struct screen_buffer *)obj)->mode;
        else
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            set_error( STATUS_OBJECT_TYPE_MISMATCH );
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        release_object( obj );
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    }
    return ret;
}

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/* changes the mode of either a console input or a screen buffer */
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static int set_console_mode( obj_handle_t handle, int mode )
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{
    struct object *obj;
    int ret = 0;

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    if (!(obj = get_handle_obj( current->process, handle, CONSOLE_WRITE, NULL )))
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        return 0;
    if (obj->ops == &console_input_ops)
    {
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	/* FIXME: if we remove the edit mode bits, we need (???) to clean up the history */
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        ((struct console_input *)obj)->mode = mode;
        ret = 1;
    }
    else if (obj->ops == &screen_buffer_ops)
    {
        ((struct screen_buffer *)obj)->mode = mode;
        ret = 1;
    }
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    else set_error( STATUS_OBJECT_TYPE_MISMATCH );
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    release_object( obj );
    return ret;
}

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/* add input events to a console input queue */
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static int write_console_input( struct console_input* console, int count,
                                const INPUT_RECORD *records )
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{
    INPUT_RECORD *new_rec;

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    if (!count) return 0;
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    if (!(new_rec = realloc( console->records,
                             (console->recnum + count) * sizeof(INPUT_RECORD) )))
    {
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        set_error( STATUS_NO_MEMORY );
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        release_object( console );
        return -1;
    }
    console->records = new_rec;
    memcpy( new_rec + console->recnum, records, count * sizeof(INPUT_RECORD) );
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    if (console->mode & ENABLE_PROCESSED_INPUT)
    {
        int i = 0;
        while (i < count)
        {
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            if (records[i].EventType == KEY_EVENT &&
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		records[i].Event.KeyEvent.uChar.UnicodeChar == 'C' - 64 &&
		!(records[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
            {
                if (i != count - 1)
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                    memcpy( &console->records[console->recnum + i],
                            &console->records[console->recnum + i + 1],
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                            (count - i - 1) * sizeof(INPUT_RECORD) );
                count--;
                if (records[i].Event.KeyEvent.bKeyDown)
                {
                    /* send SIGINT to all processes attached to this console */
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                    propagate_console_signal( console, CTRL_C_EVENT, 0 );
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                }
            }
            else i++;
        }
    }
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    if (!console->recnum && count) set_event( console->event );
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    console->recnum += count;
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    return count;
}

/* retrieve a pointer to the console input records */
605
static int read_console_input( obj_handle_t handle, int count, int flush )
606 607 608 609
{
    struct console_input *console;

    if (!(console = (struct console_input *)get_handle_obj( current->process, handle,
610
                                                            CONSOLE_READ, &console_input_ops )))
611
        return -1;
612 613 614 615 616 617 618 619 620 621

    if (!count)
    {
        /* special case: do not retrieve anything, but return
         * the total number of records available */
        count = console->recnum;
    }
    else
    {
        if (count > console->recnum) count = console->recnum;
622
        set_reply_data( console->records, count * sizeof(INPUT_RECORD) );
623
    }
624 625 626 627
    if (flush)
    {
        int i;
        for (i = count; i < console->recnum; i++)
628
            console->records[i-count] = console->records[i];
629 630 631 632 633 634 635 636 637 638
        if ((console->recnum -= count) > 0)
        {
            INPUT_RECORD *new_rec = realloc( console->records,
                                             console->recnum * sizeof(INPUT_RECORD) );
            if (new_rec) console->records = new_rec;
        }
        else
        {
            free( console->records );
            console->records = NULL;
639
            reset_event( console->event );
640 641 642 643 644 645
        }
    }
    release_object( console );
    return count;
}

646
/* set misc console input information */
647
static int set_console_input_info( const struct set_console_input_info_request *req,
648
				   const WCHAR *title, data_size_t len )
649
{
650 651 652
    struct console_input *console;
    struct console_renderer_event evt;

653
    if (!(console = console_input_get( req->handle, CONSOLE_WRITE ))) goto error;
654

655
    memset(&evt.u, 0, sizeof(evt.u));
656 657 658 659
    if (req->mask & SET_CONSOLE_INPUT_INFO_ACTIVE_SB)
    {
	struct screen_buffer *screen_buffer;

660
	screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->active_sb,
661
								CONSOLE_WRITE, &screen_buffer_ops );
662 663
	if (!screen_buffer || screen_buffer->input != console)
	{
664
	    set_error( STATUS_INVALID_HANDLE );
665 666 667 668 669 670 671 672
	    if (screen_buffer) release_object( screen_buffer );
	    goto error;
	}

	if (screen_buffer != console->active)
	{
	    if (console->active) release_object( console->active );
	    console->active = screen_buffer;
673
	    generate_sb_initial_events( console );
674 675 676 677 678 679 680 681 682
	}
	else
	    release_object( screen_buffer );
    }
    if (req->mask & SET_CONSOLE_INPUT_INFO_TITLE)
    {
        WCHAR *new_title = mem_alloc( len + sizeof(WCHAR) );
        if (new_title)
        {
683
            memcpy( new_title, title, len );
684
            new_title[len / sizeof(WCHAR)] = 0;
685
            free( console->title );
686
            console->title = new_title;
687 688
	    evt.event = CONSOLE_RENDERER_TITLE_EVENT;
	    console_input_events_append( console->evt, &evt );
689 690 691 692 693 694
        }
    }
    if (req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_MODE)
    {
	console->history_mode = req->history_mode;
    }
695
    if ((req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_SIZE) &&
696 697 698 699 700 701 702 703 704 705 706 707 708
	console->history_size != req->history_size)
    {
	WCHAR**	mem = NULL;
	int	i;
	int	delta;

	if (req->history_size)
	{
	    mem = mem_alloc( req->history_size * sizeof(WCHAR*) );
	    if (!mem) goto error;
	    memset( mem, 0, req->history_size * sizeof(WCHAR*) );
	}

709
	delta = (console->history_index > req->history_size) ?
710 711 712 713 714 715 716 717 718 719
	    (console->history_index - req->history_size) : 0;

	for (i = delta; i < console->history_index; i++)
	{
	    mem[i - delta] = console->history[i];
	    console->history[i] = NULL;
	}
	console->history_index -= delta;

	for (i = 0; i < console->history_size; i++)
720
	    free( console->history[i] );
721 722 723 724
	free( console->history );
	console->history = mem;
	console->history_size = req->history_size;
    }
725 726 727 728
    if (req->mask & SET_CONSOLE_INPUT_INFO_EDITION_MODE)
    {
        console->edition_mode = req->edition_mode;
    }
729 730 731 732 733 734 735 736
    if (req->mask & SET_CONSOLE_INPUT_INFO_INPUT_CODEPAGE)
    {
        console->input_cp = req->input_cp;
    }
    if (req->mask & SET_CONSOLE_INPUT_INFO_OUTPUT_CODEPAGE)
    {
        console->output_cp = req->output_cp;
    }
737 738 739 740
    if (req->mask & SET_CONSOLE_INPUT_INFO_WIN)
    {
        console->win = req->win;
    }
741 742 743 744 745 746 747
    release_object( console );
    return 1;
 error:
    if (console) release_object( console );
    return 0;
}

748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799
/* resize a screen buffer */
static int change_screen_buffer_size( struct screen_buffer *screen_buffer,
                                      int new_width, int new_height )
{
    int i, old_width, old_height, copy_width, copy_height;
    char_info_t *new_data;

    if (!(new_data = malloc( new_width * new_height * sizeof(*new_data) )))
    {
        set_error( STATUS_NO_MEMORY );
        return 0;
    }
    old_width = screen_buffer->width;
    old_height = screen_buffer->height;
    copy_width = min( old_width, new_width );
    copy_height = min( old_height, new_height );

    /* copy all the rows */
    for (i = 0; i < copy_height; i++)
    {
        memcpy( &new_data[i * new_width], &screen_buffer->data[i * old_width],
                copy_width * sizeof(char_info_t) );
    }

    /* clear the end of each row */
    if (new_width > old_width)
    {
        /* fill first row */
        for (i = old_width; i < new_width; i++) new_data[i] = empty_char_info;
        /* and blast it to the other rows */
        for (i = 1; i < copy_height; i++)
            memcpy( &new_data[i * new_width + old_width], &new_data[old_width],
                    (new_width - old_width) * sizeof(char_info_t) );
    }

    /* clear remaining rows */
    if (new_height > old_height)
    {
        /* fill first row */
        for (i = 0; i < new_width; i++) new_data[old_height * new_width + i] = empty_char_info;
        /* and blast it to the other rows */
        for (i = old_height+1; i < new_height; i++)
            memcpy( &new_data[i * new_width], &new_data[old_height * new_width],
                    new_width * sizeof(char_info_t) );
    }
    free( screen_buffer->data );
    screen_buffer->data = new_data;
    screen_buffer->width = new_width;
    screen_buffer->height = new_height;
    return 1;
}

800
/* set misc screen buffer information */
801 802
static int set_console_output_info( struct screen_buffer *screen_buffer,
                                    const struct set_console_output_info_request *req )
803 804 805
{
    struct console_renderer_event evt;

806
    memset(&evt.u, 0, sizeof(evt.u));
807 808 809 810 811 812 813
    if (req->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM)
    {
	if (req->cursor_size < 1 || req->cursor_size > 100)
	{
	    set_error( STATUS_INVALID_PARAMETER );
	    return 0;
	}
814
        if (screen_buffer->cursor_size != req->cursor_size ||
815 816 817 818 819 820 821 822 823 824 825 826
	    screen_buffer->cursor_visible != req->cursor_visible)
	{
	    screen_buffer->cursor_size    = req->cursor_size;
	    screen_buffer->cursor_visible = req->cursor_visible;
	    evt.event = CONSOLE_RENDERER_CURSOR_GEOM_EVENT;
	    evt.u.cursor_geom.size    = req->cursor_size;
	    evt.u.cursor_geom.visible = req->cursor_visible;
	    console_input_events_append( screen_buffer->input->evt, &evt );
	}
    }
    if (req->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_POS)
    {
827
	if (req->cursor_x < 0 || req->cursor_x >= screen_buffer->width ||
828 829 830 831 832
	    req->cursor_y < 0 || req->cursor_y >= screen_buffer->height)
	{
	    set_error( STATUS_INVALID_PARAMETER );
	    return 0;
	}
833
	if (screen_buffer->cursor_x != req->cursor_x || screen_buffer->cursor_y != req->cursor_y)
834
	{
835 836
	    screen_buffer->cursor_x       = req->cursor_x;
	    screen_buffer->cursor_y       = req->cursor_y;
837 838 839 840 841 842 843 844
	    evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
	    evt.u.cursor_pos.x = req->cursor_x;
	    evt.u.cursor_pos.y = req->cursor_y;
	    console_input_events_append( screen_buffer->input->evt, &evt );
	}
    }
    if (req->mask & SET_CONSOLE_OUTPUT_INFO_SIZE)
    {
845 846 847 848 849 850 851 852 853
        unsigned cc;

        /* new screen-buffer cannot be smaller than actual window */
	if (req->width < screen_buffer->win.right - screen_buffer->win.left + 1 ||
            req->height < screen_buffer->win.bottom - screen_buffer->win.top + 1)
	{
	    set_error( STATUS_INVALID_PARAMETER );
	    return 0;
	}
854 855
        /* FIXME: there are also some basic minimum and max size to deal with */
        if (!change_screen_buffer_size( screen_buffer, req->width, req->height )) return 0;
856 857 858 859 860 861

	evt.event = CONSOLE_RENDERER_SB_RESIZE_EVENT;
	evt.u.resize.width  = req->width;
	evt.u.resize.height = req->height;
	console_input_events_append( screen_buffer->input->evt, &evt );

862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899
	evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
	evt.u.update.top    = 0;
	evt.u.update.bottom = screen_buffer->height - 1;
	console_input_events_append( screen_buffer->input->evt, &evt );

        /* scroll window to display sb */
        if (screen_buffer->win.right >= req->width)
        {       
            screen_buffer->win.right -= screen_buffer->win.left;
            screen_buffer->win.left = 0;
        }
        if (screen_buffer->win.bottom >= req->height)
        {       
            screen_buffer->win.bottom -= screen_buffer->win.top;
            screen_buffer->win.top = 0;
        }
        /* reset cursor if needed (normally, if cursor was outside of new sb, the
         * window has been shifted so that the new position of the cursor will be 
         * visible */
        cc = 0;
        if (screen_buffer->cursor_x >= req->width)
        {
            screen_buffer->cursor_x = req->width - 1;
            cc++;
        }
        if (screen_buffer->cursor_y >= req->height)
        {
            screen_buffer->cursor_y = req->height - 1;
            cc++;
        }
        if (cc)
        {
            evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
            evt.u.cursor_pos.x = req->cursor_x;
            evt.u.cursor_pos.y = req->cursor_y;
            console_input_events_append( screen_buffer->input->evt, &evt );
        }

900
	if (screen_buffer == screen_buffer->input->active &&
901 902 903 904 905 906 907 908 909 910 911 912 913 914 915
	    screen_buffer->input->mode & ENABLE_WINDOW_INPUT)
	{
	    INPUT_RECORD	ir;
	    ir.EventType = WINDOW_BUFFER_SIZE_EVENT;
	    ir.Event.WindowBufferSizeEvent.dwSize.X = req->width;
	    ir.Event.WindowBufferSizeEvent.dwSize.Y = req->height;
	    write_console_input( screen_buffer->input, 1, &ir );
	}
    }
    if (req->mask & SET_CONSOLE_OUTPUT_INFO_ATTR)
    {
	screen_buffer->attr = req->attr;
    }
    if (req->mask & SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW)
    {
916
	if (req->win_left < 0 || req->win_left > req->win_right ||
917
	    req->win_right >= screen_buffer->width ||
918
	    req->win_top < 0  || req->win_top > req->win_bottom ||
919 920 921 922 923
	    req->win_bottom >= screen_buffer->height)
	{
	    set_error( STATUS_INVALID_PARAMETER );
	    return 0;
	}
924 925
	if (screen_buffer->win.left != req->win_left || screen_buffer->win.top != req->win_top ||
	    screen_buffer->win.right != req->win_right || screen_buffer->win.bottom != req->win_bottom)
926
	{
927 928 929 930
	    screen_buffer->win.left   = req->win_left;
	    screen_buffer->win.top    = req->win_top;
	    screen_buffer->win.right  = req->win_right;
	    screen_buffer->win.bottom = req->win_bottom;
931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952
	    evt.event = CONSOLE_RENDERER_DISPLAY_EVENT;
	    evt.u.display.left   = req->win_left;
	    evt.u.display.top    = req->win_top;
	    evt.u.display.width  = req->win_right - req->win_left + 1;
	    evt.u.display.height = req->win_bottom - req->win_top + 1;
	    console_input_events_append( screen_buffer->input->evt, &evt );
	}
    }
    if (req->mask & SET_CONSOLE_OUTPUT_INFO_MAX_SIZE)
    {
	/* can only be done by renderer */
	if (current->process->console != screen_buffer->input)
	{
	    set_error( STATUS_INVALID_PARAMETER );
	    return 0;
	}

	screen_buffer->max_width  = req->max_width;
	screen_buffer->max_height = req->max_height;
    }

    return 1;
953 954
}

955
/* appends a new line to history (history is a fixed size array) */
956
static void console_input_append_hist( struct console_input* console, const WCHAR* buf, data_size_t len )
957
{
958 959 960
    WCHAR*	ptr = mem_alloc( (len + 1) * sizeof(WCHAR) );

    if (!ptr)
961 962
        return;

963 964 965
    if (!console || !console->history_size)
    {
	set_error( STATUS_INVALID_PARAMETER ); /* FIXME */
966
	free( ptr );
967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990
	return;
    }

    memcpy( ptr, buf, len * sizeof(WCHAR) );
    ptr[len] = 0;

    if (console->history_mode && console->history_index &&
	strncmpW( console->history[console->history_index - 1], ptr, len * sizeof(WCHAR) ) == 0)
    {
	/* ok, mode ask us to not use twice the same string...
	 * so just free mem and returns
	 */
	set_error( STATUS_ALIAS_EXISTS );
	free(ptr);
	return;
    }

    if (console->history_index < console->history_size)
    {
	console->history[console->history_index++] = ptr;
    }
    else
    {
	free( console->history[0]) ;
991
	memmove( &console->history[0], &console->history[1],
992 993 994
		 (console->history_size - 1) * sizeof(WCHAR*) );
	console->history[console->history_size - 1] = ptr;
    }
995 996
}

997
/* returns a line from the cache */
998
static data_size_t console_input_get_hist( struct console_input *console, int index )
999
{
1000
    data_size_t ret = 0;
1001

1002 1003
    if (index >= console->history_index) set_error( STATUS_INVALID_PARAMETER );
    else
1004
    {
1005 1006
        ret = strlenW( console->history[index] ) * sizeof(WCHAR);
        set_reply_data( console->history[index], min( ret, get_reply_max_size() ));
1007 1008 1009 1010 1011 1012
    }
    return ret;
}

/* dumb dump */
static void console_input_dump( struct object *obj, int verbose )
1013
{
1014 1015
    struct console_input *console = (struct console_input *)obj;
    assert( obj->ops == &console_input_ops );
1016
    fprintf( stderr, "Console input active=%p evt=%p\n",
1017
	     console->active, console->evt );
1018 1019
}

1020 1021
static void console_input_destroy( struct object *obj )
{
1022 1023 1024 1025
    struct console_input*	console_in = (struct console_input *)obj;
    struct screen_buffer*	curr;
    int				i;

1026
    assert( obj->ops == &console_input_ops );
1027 1028
    free( console_in->title );
    free( console_in->records );
1029

1030
    if (console_in->active) release_object( console_in->active );
1031 1032
    console_in->active = NULL;

1033
    LIST_FOR_EACH_ENTRY( curr, &screen_buffer_list, struct screen_buffer, entry )
1034
    {
1035
        if (curr->input == console_in) curr->input = NULL;
1036 1037 1038 1039
    }

    release_object( console_in->evt );
    console_in->evt = NULL;
1040
    release_object( console_in->event );
1041 1042

    for (i = 0; i < console_in->history_size; i++)
1043
        free( console_in->history[i] );
1044
    free( console_in->history );
1045
}
1046

1047 1048
static void screen_buffer_dump( struct object *obj, int verbose )
{
1049
    struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
1050
    assert( obj->ops == &screen_buffer_ops );
1051 1052

    fprintf(stderr, "Console screen buffer input=%p\n", screen_buffer->input );
1053 1054
}

1055
static void screen_buffer_destroy( struct object *obj )
1056
{
1057
    struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
1058 1059 1060

    assert( obj->ops == &screen_buffer_ops );

1061
    list_remove( &screen_buffer->entry );
1062

1063 1064
    if (screen_buffer->input && screen_buffer->input->active == screen_buffer)
    {
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075
        struct screen_buffer *sb;

        screen_buffer->input->active = NULL;
        LIST_FOR_EACH_ENTRY( sb, &screen_buffer_list, struct screen_buffer, entry )
        {
            if (sb->input == screen_buffer->input)
            {
                sb->input->active = sb;
                break;
            }
        }
1076
    }
1077
    free( screen_buffer->data );
1078 1079
}

1080
/* write data into a screen buffer */
1081
static int write_console_output( struct screen_buffer *screen_buffer, data_size_t size,
1082 1083
                                 const void* data, enum char_info_mode mode,
                                 int x, int y, int wrap )
1084
{
1085
    unsigned int i;
1086
    char_info_t *end, *dest = screen_buffer->data + y * screen_buffer->width + x;
1087

1088 1089 1090 1091 1092 1093
    if (y >= screen_buffer->height) return 0;

    if (wrap)
        end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
    else
        end = screen_buffer->data + (y+1) * screen_buffer->width;
1094

1095
    switch(mode)
1096
    {
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
    case CHAR_INFO_MODE_TEXT:
        {
            const WCHAR *ptr = data;
            for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) dest->ch = ptr[i];
        }
        break;
    case CHAR_INFO_MODE_ATTR:
        {
            const unsigned short *ptr = data;
            for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) dest->attr = ptr[i];
        }
        break;
    case CHAR_INFO_MODE_TEXTATTR:
        {
            const char_info_t *ptr = data;
            for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) *dest = ptr[i];
        }
        break;
    case CHAR_INFO_MODE_TEXTSTDATTR:
        {
            const WCHAR *ptr = data;
            for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++)
            {
                dest->ch   = ptr[i];
                dest->attr = screen_buffer->attr;
            }
        }
        break;
    default:
        set_error( STATUS_INVALID_PARAMETER );
        return 0;
1128 1129
    }

1130 1131 1132 1133
    if (i && screen_buffer == screen_buffer->input->active)
    {
        struct console_renderer_event evt;
        evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1134
        memset(&evt.u, 0, sizeof(evt.u));
1135 1136
        evt.u.update.top    = y + x / screen_buffer->width;
        evt.u.update.bottom = y + (x + i - 1) / screen_buffer->width;
1137 1138 1139 1140
        console_input_events_append( screen_buffer->input->evt, &evt );
    }
    return i;
}
1141

1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
/* fill a screen buffer with uniform data */
static int fill_console_output( struct screen_buffer *screen_buffer, char_info_t data,
                                enum char_info_mode mode, int x, int y, int count, int wrap )
{
    int i;
    char_info_t *end, *dest = screen_buffer->data + y * screen_buffer->width + x;

    if (y >= screen_buffer->height) return 0;

    if (wrap)
        end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
    else
        end = screen_buffer->data + (y+1) * screen_buffer->width;
1155

1156 1157 1158
    if (count > end - dest) count = end - dest;

    switch(mode)
1159
    {
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
    case CHAR_INFO_MODE_TEXT:
        for (i = 0; i < count; i++) dest[i].ch = data.ch;
        break;
    case CHAR_INFO_MODE_ATTR:
        for (i = 0; i < count; i++) dest[i].attr = data.attr;
        break;
    case CHAR_INFO_MODE_TEXTATTR:
        for (i = 0; i < count; i++) dest[i] = data;
        break;
    case CHAR_INFO_MODE_TEXTSTDATTR:
        for (i = 0; i < count; i++)
        {
            dest[i].ch   = data.ch;
            dest[i].attr = screen_buffer->attr;
        }
        break;
    default:
        set_error( STATUS_INVALID_PARAMETER );
        return 0;
1179 1180
    }

1181
    if (count && screen_buffer == screen_buffer->input->active)
1182
    {
1183 1184
        struct console_renderer_event evt;
        evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1185
        memset(&evt.u, 0, sizeof(evt.u));
1186 1187 1188
        evt.u.update.top    = y;
        evt.u.update.bottom = (y * screen_buffer->width + x + count - 1) / screen_buffer->width;
        console_input_events_append( screen_buffer->input->evt, &evt );
1189
    }
1190
    return i;
1191 1192
}

1193
/* read data from a screen buffer */
1194 1195
static void read_console_output( struct screen_buffer *screen_buffer, int x, int y,
                                 enum char_info_mode mode, int wrap )
1196
{
1197 1198
    int i;
    char_info_t *end, *src = screen_buffer->data + y * screen_buffer->width + x;
1199

1200
    if (y >= screen_buffer->height) return;
1201

1202 1203 1204 1205
    if (wrap)
        end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
    else
        end = screen_buffer->data + (y+1) * screen_buffer->width;
1206

1207
    switch(mode)
1208
    {
1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241
    case CHAR_INFO_MODE_TEXT:
        {
            WCHAR *data;
            int count = min( end - src, get_reply_max_size() / sizeof(*data) );
            if ((data = set_reply_data_size( count * sizeof(*data) )))
            {
                for (i = 0; i < count; i++) data[i] = src[i].ch;
            }
        }
        break;
    case CHAR_INFO_MODE_ATTR:
        {
            unsigned short *data;
            int count = min( end - src, get_reply_max_size() / sizeof(*data) );
            if ((data = set_reply_data_size( count * sizeof(*data) )))
            {
                for (i = 0; i < count; i++) data[i] = src[i].attr;
            }
        }
        break;
    case CHAR_INFO_MODE_TEXTATTR:
        {
            char_info_t *data;
            int count = min( end - src, get_reply_max_size() / sizeof(*data) );
            if ((data = set_reply_data_size( count * sizeof(*data) )))
            {
                for (i = 0; i < count; i++) data[i] = src[i];
            }
        }
        break;
    default:
        set_error( STATUS_INVALID_PARAMETER );
        break;
1242
    }
1243
}
1244

1245
/* scroll parts of a screen buffer */
1246
static void scroll_console_output( obj_handle_t handle, int xsrc, int ysrc, int xdst, int ydst,
1247
                                   int w, int h )
1248
{
1249 1250
    struct screen_buffer *screen_buffer;
    int				j;
1251
    char_info_t *psrc, *pdst;
1252
    struct console_renderer_event evt;
1253

1254
    if (!(screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, handle,
1255
                                                                  CONSOLE_READ, &screen_buffer_ops )))
1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
	return;
    if (xsrc < 0 || ysrc < 0 || xdst < 0 || ydst < 0 ||
	xsrc + w > screen_buffer->width  ||
	xdst + w > screen_buffer->width  ||
	ysrc + h > screen_buffer->height ||
	ydst + h > screen_buffer->height ||
	w == 0 || h == 0)
    {
	set_error( STATUS_INVALID_PARAMETER );
	release_object( screen_buffer );
	return;
    }
1268

1269
    if (ysrc < ydst)
1270
    {
1271 1272 1273 1274 1275
	psrc = &screen_buffer->data[(ysrc + h - 1) * screen_buffer->width + xsrc];
	pdst = &screen_buffer->data[(ydst + h - 1) * screen_buffer->width + xdst];

	for (j = h; j > 0; j--)
	{
1276
	    memcpy(pdst, psrc, w * sizeof(*pdst) );
1277 1278 1279
	    pdst -= screen_buffer->width;
	    psrc -= screen_buffer->width;
	}
1280
    }
1281 1282 1283 1284 1285 1286 1287
    else
    {
	psrc = &screen_buffer->data[ysrc * screen_buffer->width + xsrc];
	pdst = &screen_buffer->data[ydst * screen_buffer->width + xdst];

	for (j = 0; j < h; j++)
	{
1288
	    /* we use memmove here because when psrc and pdst are the same,
1289 1290
	     * copies are done on the same row, so the dst and src blocks
	     * can overlap */
1291
	    memmove( pdst, psrc, w * sizeof(*pdst) );
1292 1293 1294 1295 1296 1297 1298
	    pdst += screen_buffer->width;
	    psrc += screen_buffer->width;
	}
    }

    /* FIXME: this could be enhanced, by signalling scroll */
    evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1299
    memset(&evt.u, 0, sizeof(evt.u));
1300 1301 1302
    evt.u.update.top    = min(ysrc, ydst);
    evt.u.update.bottom = max(ysrc, ydst) + h - 1;
    console_input_events_append( screen_buffer->input->evt, &evt );
1303

1304 1305 1306 1307 1308 1309
    release_object( screen_buffer );
}

/* allocate a console for the renderer */
DECL_HANDLER(alloc_console)
{
1310 1311
    obj_handle_t in = 0;
    obj_handle_t evt = 0;
1312 1313 1314 1315
    struct process *process;
    struct process *renderer = current->process;
    struct console_input *console;

1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328
    if (req->pid)
    {
        if (!(process = get_process_from_id( req->pid ))) return;
    }
    else
    {
        if (!(process = renderer->parent))
        {
            set_error( STATUS_ACCESS_DENIED );
            return;
        }
        grab_object( process );
    }
1329 1330

    if (process != renderer && process->console)
1331 1332 1333
    {
        set_error( STATUS_ACCESS_DENIED );
        goto the_end;
1334
    }
1335
    if ((console = (struct console_input*)create_console_input( current )))
1336
    {
1337
        if ((in = alloc_handle( renderer, console, req->access, req->attributes )))
1338
        {
1339
            if ((evt = alloc_handle( renderer, console->evt, SYNCHRONIZE|GENERIC_READ|GENERIC_WRITE, 0 )))
1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350
            {
                if (process != renderer)
                {
                    process->console = (struct console_input*)grab_object( console );
                    console->num_proc++;
                }
                reply->handle_in = in;
                reply->event = evt;
                release_object( console );
                goto the_end;
            }
1351
            close_handle( renderer, in );
1352 1353
        }
        free_console( process );
1354 1355 1356
    }
 the_end:
    release_object( process );
1357 1358 1359 1360 1361 1362 1363 1364
}

/* free the console of the current process */
DECL_HANDLER(free_console)
{
    free_console( current->process );
}

1365 1366 1367
/* let the renderer peek the events it's waiting on */
DECL_HANDLER(get_console_renderer_events)
{
1368
    struct console_input_events *evt;
1369 1370

    evt = (struct console_input_events *)get_handle_obj( current->process, req->handle,
1371
                                                         CONSOLE_READ, &console_input_events_ops );
1372
    if (!evt) return;
1373
    console_input_events_get( evt );
1374 1375 1376
    release_object( evt );
}

1377 1378 1379
/* open a handle to the process console */
DECL_HANDLER(open_console)
{
1380
    struct object      *obj = NULL;
1381

1382
    reply->handle = 0;
1383
    if (req->from == (obj_handle_t)0)
1384
    {
1385 1386
        if (current->process->console && current->process->console->renderer)
            obj = grab_object( (struct object*)current->process->console );
1387 1388 1389
    }
    else if (req->from == (obj_handle_t)1)
    {
1390 1391 1392
         if (current->process->console && current->process->console->renderer &&
             current->process->console->active)
             obj = grab_object( (struct object*)current->process->console->active );
1393 1394 1395 1396 1397 1398 1399
    }
    else if ((obj = get_handle_obj( current->process, req->from,
                                    CONSOLE_READ|CONSOLE_WRITE, &console_input_ops )))
    {
        struct console_input *console = (struct console_input *)obj;
        obj = (console->active) ? grab_object( console->active ) : NULL;
        release_object( console );
1400 1401 1402 1403 1404
    }

    /* FIXME: req->share is not used (as in screen buffer creation)  */
    if (obj)
    {
1405
        reply->handle = alloc_handle( current->process, obj, req->access, req->attributes );
1406
        release_object( obj );
1407
    }
1408
    else if (!get_error()) set_error( STATUS_ACCESS_DENIED );
1409 1410
}

1411 1412
/* set info about a console input */
DECL_HANDLER(set_console_input_info)
1413
{
1414
    set_console_input_info( req, get_req_data(), get_req_data_size() );
1415 1416 1417
}

/* get info about a console (output only) */
1418
DECL_HANDLER(get_console_input_info)
1419
{
1420
    struct console_input *console;
1421

1422
    if (!(console = console_input_get( req->handle, CONSOLE_READ ))) return;
1423
    if (console->title)
1424
    {
1425
        data_size_t len = strlenW( console->title ) * sizeof(WCHAR);
1426 1427
        if (len > get_reply_max_size()) len = get_reply_max_size();
        set_reply_data( console->title, len );
1428
    }
1429 1430 1431
    reply->history_mode  = console->history_mode;
    reply->history_size  = console->history_size;
    reply->history_index = console->history_index;
1432
    reply->edition_mode  = console->edition_mode;
1433 1434
    reply->input_cp      = console->input_cp;
    reply->output_cp     = console->output_cp;
1435
    reply->win           = console->win;
1436

1437
    release_object( console );
1438 1439 1440 1441 1442
}

/* get a console mode (input or output) */
DECL_HANDLER(get_console_mode)
{
1443
    reply->mode = get_console_mode( req->handle );
1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
}

/* set a console mode (input or output) */
DECL_HANDLER(set_console_mode)
{
    set_console_mode( req->handle, req->mode );
}

/* add input records to a console input queue */
DECL_HANDLER(write_console_input)
{
1455 1456
    struct console_input *console;

1457
    reply->written = 0;
1458
    if (!(console = (struct console_input *)get_handle_obj( current->process, req->handle,
1459
                                                            CONSOLE_WRITE, &console_input_ops )))
1460
        return;
1461 1462
    reply->written = write_console_input( console, get_req_data_size() / sizeof(INPUT_RECORD),
                                          get_req_data() );
1463
    release_object( console );
1464 1465 1466 1467 1468
}

/* fetch input records from a console input queue */
DECL_HANDLER(read_console_input)
{
1469 1470
    int count = get_reply_max_size() / sizeof(INPUT_RECORD);
    reply->read = read_console_input( req->handle, count, req->flush );
1471
}
1472 1473 1474 1475

/* appends a string to console's history */
DECL_HANDLER(append_console_input_history)
{
1476
    struct console_input *console;
1477

1478
    if (!(console = console_input_get( req->handle, CONSOLE_WRITE ))) return;
1479
    console_input_append_hist( console, get_req_data(), get_req_data_size() / sizeof(WCHAR) );
1480 1481 1482 1483 1484 1485
    release_object( console );
}

/* appends a string to console's history */
DECL_HANDLER(get_console_input_history)
{
1486
    struct console_input *console;
1487

1488
    if (!(console = console_input_get( req->handle, CONSOLE_WRITE ))) return;
1489
    reply->total = console_input_get_hist( console, req->index );
1490 1491 1492 1493 1494 1495 1496 1497 1498
    release_object( console );
}

/* creates a screen buffer */
DECL_HANDLER(create_console_output)
{
    struct console_input*	console;
    struct screen_buffer*	screen_buffer;

1499
    if (!(console = console_input_get( req->handle_in, CONSOLE_WRITE ))) return;
1500

1501
    screen_buffer = create_console_output( console );
1502 1503
    if (screen_buffer)
    {
1504
        /* FIXME: should store sharing and test it when opening the CONOUT$ device
1505
         * see file.c on how this could be done */
1506
        reply->handle_out = alloc_handle( current->process, screen_buffer, req->access, req->attributes );
1507
        release_object( screen_buffer );
1508 1509 1510 1511 1512 1513 1514
    }
    release_object( console );
}

/* set info about a console screen buffer */
DECL_HANDLER(set_console_output_info)
{
1515
    struct screen_buffer *screen_buffer;
1516

1517
    if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1518
                                                                CONSOLE_WRITE, &screen_buffer_ops)))
1519 1520 1521 1522
    {
        set_console_output_info( screen_buffer, req );
        release_object( screen_buffer );
    }
1523 1524 1525 1526 1527 1528 1529 1530
}

/* get info about a console screen buffer */
DECL_HANDLER(get_console_output_info)
{
    struct screen_buffer *screen_buffer;

    if ((screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->handle,
1531
                                                                 CONSOLE_READ, &screen_buffer_ops)))
1532
    {
1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545
        reply->cursor_size    = screen_buffer->cursor_size;
        reply->cursor_visible = screen_buffer->cursor_visible;
        reply->cursor_x       = screen_buffer->cursor_x;
        reply->cursor_y       = screen_buffer->cursor_y;
        reply->width          = screen_buffer->width;
        reply->height         = screen_buffer->height;
        reply->attr           = screen_buffer->attr;
        reply->win_left       = screen_buffer->win.left;
        reply->win_top        = screen_buffer->win.top;
        reply->win_right      = screen_buffer->win.right;
        reply->win_bottom     = screen_buffer->win.bottom;
        reply->max_width      = screen_buffer->max_width;
        reply->max_height     = screen_buffer->max_height;
1546 1547 1548 1549 1550 1551 1552
        release_object( screen_buffer );
    }
}

/* read data (chars & attrs) from a screen buffer */
DECL_HANDLER(read_console_output)
{
1553
    struct screen_buffer *screen_buffer;
1554

1555
    if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1556
                                                                CONSOLE_READ, &screen_buffer_ops )))
1557 1558 1559 1560 1561 1562
    {
        read_console_output( screen_buffer, req->x, req->y, req->mode, req->wrap );
        reply->width  = screen_buffer->width;
        reply->height = screen_buffer->height;
        release_object( screen_buffer );
    }
1563 1564 1565 1566 1567
}

/* write data (char and/or attrs) to a screen buffer */
DECL_HANDLER(write_console_output)
{
1568
    struct screen_buffer *screen_buffer;
1569

1570
    if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1571
                                                                CONSOLE_WRITE, &screen_buffer_ops)))
1572 1573 1574 1575 1576 1577 1578 1579
    {
        reply->written = write_console_output( screen_buffer, get_req_data_size(), get_req_data(),
                                               req->mode, req->x, req->y, req->wrap );
        reply->width  = screen_buffer->width;
        reply->height = screen_buffer->height;
        release_object( screen_buffer );
    }
}
1580

1581 1582 1583 1584
/* fill a screen buffer with constant data (chars and/or attributes) */
DECL_HANDLER(fill_console_output)
{
    struct screen_buffer *screen_buffer;
1585

1586
    if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1587
                                                                CONSOLE_WRITE, &screen_buffer_ops)))
1588 1589 1590 1591 1592
    {
        reply->written = fill_console_output( screen_buffer, req->data, req->mode,
                                              req->x, req->y, req->count, req->wrap );
        release_object( screen_buffer );
    }
1593 1594 1595 1596 1597
}

/* move a rect of data in a screen buffer */
DECL_HANDLER(move_console_output)
{
1598
    scroll_console_output( req->handle, req->x_src, req->y_src, req->x_dst, req->y_dst,
1599 1600
			   req->w, req->h );
}
1601 1602 1603 1604

/* sends a signal to a console (process, group...) */
DECL_HANDLER(send_console_signal)
{
1605
    process_id_t group;
1606 1607 1608 1609

    group = req->group_id ? req->group_id : current->process->group_id;

    if (!group)
1610
        set_error( STATUS_INVALID_PARAMETER );
1611 1612 1613
    else
        propagate_console_signal( current->process->console, req->signal, group );
}
1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635

/* get console which renderer is 'current' */
static int cgwe_enum( struct process* process, void* user)
{
    if (process->console && process->console->renderer == current)
    {
        *(struct console_input**)user = process->console;
        return 1;
    }
    return 0;
}

DECL_HANDLER(get_console_wait_event)
{
    struct console_input* console = NULL;

    if (current->process->console && current->process->console->renderer)
        console = (struct console_input*)grab_object( (struct object*)current->process->console );
    else enum_processes(cgwe_enum, &console);

    if (console)
    {
1636
        reply->handle = alloc_handle( current->process, console->event, EVENT_ALL_ACCESS, 0 );
1637 1638 1639 1640
        release_object( console );
    }
    else set_error( STATUS_INVALID_PARAMETER );
}