New console code based on Win32 windows.

diff --git a/server/console.c b/server/console.c
index 6aab563..bd6dd39 100644
--- a/server/console.c
+++ b/server/console.c
@@ -2,22 +2,15 @@
  * Server-side console management
  *
  * Copyright (C) 1998 Alexandre Julliard
+ *               2001 Eric Pouech
  *
- * FIXME: all this stuff is a hack to avoid breaking
- *        the client-side console support.
  */
 
 #include "config.h"
 
 #include <assert.h>
-#include <fcntl.h>
-#include <signal.h>
 #include <string.h>
 #include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <time.h>
 #include <unistd.h>
 
 #include "winnt.h"
@@ -26,18 +19,60 @@
 
 #include "handle.h"
 #include "process.h"
-#include "thread.h"
 #include "request.h"
+#include "unicode.h"
+#include "console.h"
 
-struct screen_buffer;
 
-struct console_input
+static void console_input_dump( struct object *obj, int verbose );
+static void console_input_destroy( struct object *obj );
+static int console_input_signaled( struct object *obj, struct thread *thread );
+
+/* common routine */
+static int console_get_file_info( struct object *obj, struct get_file_info_request *req );
+
+static const struct object_ops console_input_ops =
 {
-    struct object         obj;           /* object header */
-    int                   mode;          /* input mode */
-    struct screen_buffer *output;        /* associated screen buffer */
-    int                   recnum;        /* number of input records */
-    INPUT_RECORD         *records;       /* input records */
+    sizeof(struct console_input),     /* size */
+    console_input_dump,               /* dump */
+    add_queue,                        /* add_queue */
+    remove_queue,                     /* remove_queue */
+    console_input_signaled,           /* signaled */
+    no_satisfied,                     /* satisfied */
+    NULL,                             /* get_poll_events */
+    NULL,                             /* poll_event */
+    no_get_fd,                        /* get_fd */
+    no_flush,                         /* flush */
+    console_get_file_info,            /* get_file_info */
+    console_input_destroy             /* destroy */
+};
+
+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 );
+
+struct console_input_events 
+{
+    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 */
+    add_queue,                        /* add_queue */
+    remove_queue,                     /* remove_queue */
+    console_input_events_signaled,    /* signaled */
+    no_satisfied,                     /* satisfied */
+    NULL,                             /* get_poll_events */
+    NULL,                             /* poll_event */
+    no_get_fd,                        /* get_fd */
+    no_flush,                         /* flush */
+    no_get_file_info,                 /* get_file_info */
+    console_input_events_destroy      /* destroy */
 };
 
 struct screen_buffer
@@ -45,161 +80,292 @@
     struct object         obj;           /* object header */
     int                   mode;          /* output mode */
     struct console_input *input;         /* associated console input */
-    int                   cursor_size;   /* size of cursor (percentage filled) */
-    int                   cursor_visible;/* cursor visibility flag */
-    int                   pid;           /* xterm pid (hack) */
-    char                 *title;         /* console title */
+    struct screen_buffer *next;          /* linked list of all screen buffers */
+    short int             cursor_size;   /* size of cursor (percentage filled) */
+    short int             cursor_visible;/* cursor visibility flag */
+    COORD                 cursor;        /* position of cursor */
+    short int             width;         /* size (w-h) of the screen buffer */
+    short int             height;
+    short int             max_width;     /* size (w-h) of the window given font size */
+    short int             max_height;
+    unsigned             *data;          /* the data for each cell - a width x height matrix */
+    unsigned short        attr;          /* default attribute for screen buffer */
+    SMALL_RECT            win;           /* current visible window on the screen buffer *
+					  * as seen in wineconsole */
 };
 
-
-static void console_input_dump( struct object *obj, int verbose );
-static int console_input_get_poll_events( struct object *obj );
-static int console_input_get_fd( struct object *obj );
-static void console_input_destroy( struct object *obj );
-
 static void screen_buffer_dump( struct object *obj, int verbose );
-static int screen_buffer_get_poll_events( struct object *obj );
-static int screen_buffer_get_fd( struct object *obj );
 static void screen_buffer_destroy( struct object *obj );
 
-/* common routine */
-static int console_get_info( struct object *obj, struct get_file_info_request *req );
-
-static const struct object_ops console_input_ops =
-{
-    sizeof(struct console_input),     /* size */
-    console_input_dump,               /* dump */
-    default_poll_add_queue,           /* add_queue */
-    default_poll_remove_queue,        /* remove_queue */
-    default_poll_signaled,            /* signaled */
-    no_satisfied,                     /* satisfied */
-    console_input_get_poll_events,    /* get_poll_events */
-    default_poll_event,               /* poll_event */
-    console_input_get_fd,             /* get_fd */
-    no_flush,                         /* flush */
-    console_get_info,                 /* get_file_info */
-    console_input_destroy             /* destroy */
-};
-
 static const struct object_ops screen_buffer_ops =
 {
     sizeof(struct screen_buffer),     /* size */
     screen_buffer_dump,               /* dump */
-    default_poll_add_queue,           /* add_queue */
-    default_poll_remove_queue,        /* remove_queue */
-    default_poll_signaled,            /* signaled */
-    no_satisfied,                     /* satisfied */
-    screen_buffer_get_poll_events,    /* get_poll_events */
-    default_poll_event,               /* poll_event */
-    screen_buffer_get_fd,             /* get_fd */
+    no_add_queue,                     /* add_queue */
+    NULL,                             /* remove_queue */
+    NULL,                             /* signaled */
+    NULL,                             /* satisfied */
+    NULL,                             /* get_poll_events */
+    NULL,                             /* poll_event */
+    no_get_fd,                        /* get_fd */
     no_flush,                         /* flush */
-    console_get_info,                 /* get_file_info */
+    console_get_file_info,            /* get_file_info */
     screen_buffer_destroy             /* destroy */
 };
 
+static struct screen_buffer *screen_buffer_list;
 
-static struct object *create_console_input( int fd )
+/* 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 );
+    fprintf( stderr, "Console input events: %d/%d events\n", 
+	     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 );
+}
+
+/* the rendere events list is signaled when it's not empty */
+static int  console_input_events_signaled( struct object *obj, struct thread *thread )
+{
+    struct console_input_events *evts = (struct console_input_events *)obj;
+    assert( obj->ops == &console_input_events_ops );
+    return evts->num_used ? 1 : 0;
+}
+
+/* add an event to the console's renderer events list */
+static void console_input_events_append( struct console_input_events* evts, 
+					 struct console_renderer_event* evt)
+{
+    if (!evt) return;
+
+    /* to be done even when the renderer generates the events ? */
+    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;
+    wake_up( &evts->obj, 0 );
+}
+
+/* retrieves events from the console's renderer events list */
+static size_t  console_input_events_get( struct console_input_events* evts, 
+					 struct console_renderer_event* evt, size_t num )
+{
+    if (num % sizeof(*evt) != 0)
+    {
+	set_error( STATUS_INVALID_PARAMETER );
+	return 0;
+    }
+    num /= sizeof(*evt);
+    if (num > evts->num_used)
+	num = evts->num_used;
+    memcpy( evt, evts->events, num * sizeof(*evt) );
+    if (num < evts->num_used)
+    {
+	memmove( &evts->events[0], &evts->events[num], 
+		 (evts->num_used - num) * sizeof(*evt) );
+    }
+    evts->num_used -= num;
+    return num * sizeof(struct console_renderer_event);
+}
+
+static struct console_input_events *create_console_input_events(void)
+{
+    struct console_input_events*	evt;
+
+    if (!(evt = alloc_object( &console_input_events_ops, -1 ))) return NULL;
+    evt->num_alloc = evt->num_used = 0;
+    evt->events = NULL;
+    return evt;
+}
+
+static struct object *create_console_input( struct process* renderer )
 {
     struct console_input *console_input;
 
-    if ((fd = (fd != -1) ? dup(fd) : dup(0)) == -1)
+    if (!(console_input = alloc_object( &console_input_ops, -1 ))) return NULL;
+    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;
+
+    if (!console_input->history || !console_input->evt)
     {
-        file_set_error();
-        return NULL;
+	release_object( console_input );
+	return NULL;
     }
-    if (!(console_input = alloc_object( &console_input_ops, fd ))) return NULL;
-    console_input->mode    = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
-                             ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
-    console_input->output  = NULL;
-    console_input->recnum  = 0;
-    console_input->records = NULL;
     return &console_input->obj;
 }
 
-static struct object *create_console_output( int fd, struct object *input )
+static struct object *create_console_output( struct console_input *console_input )
 {
-    struct console_input *console_input = (struct console_input *)input;
     struct screen_buffer *screen_buffer;
+    struct console_renderer_event evt;
+    int	i;
 
-    if ((fd = (fd != -1) ? dup(fd) : dup(1)) == -1)
-    {
-        file_set_error();
-        return NULL;
-    }
-    if (!(screen_buffer = alloc_object( &screen_buffer_ops, fd ))) return NULL;
+    if (!(screen_buffer = alloc_object( &screen_buffer_ops, -1 ))) return NULL;
     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;
-    screen_buffer->pid            = 0;
-    screen_buffer->title          = strdup( "Wine console" );
-    console_input->output = screen_buffer;
-    return &screen_buffer->obj;
-}
+    screen_buffer->width          = 80;
+    screen_buffer->height         = 150;
+    screen_buffer->max_width      = 80;
+    screen_buffer->max_height     = 25;
+    screen_buffer->data           = malloc( 4 * screen_buffer->width * screen_buffer->height );
+    /* fill the buffer with white on black spaces */
+    for (i = 0; i < screen_buffer->width * screen_buffer->height; i++)
+    {
+	screen_buffer->data[i] = 0x00F00020;
+    }
+    screen_buffer->cursor.X	  = 0;
+    screen_buffer->cursor.Y	  = 0;
+    screen_buffer->attr           = 0xF0;
+    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;
 
-/* allocate a console for this process */
-int alloc_console( struct process *process )
-{
-    if (process->console_in || process->console_out)
+    screen_buffer->next = screen_buffer_list;
+    screen_buffer_list = screen_buffer;
+
+    if (!console_input->active)
     {
-        set_error( STATUS_ACCESS_DENIED );
-        return 0;
+	console_input->active = (struct screen_buffer*)grab_object( screen_buffer );
+
+	/* generate the fist events */
+	evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
+	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 );
     }
-    if ((process->console_in = create_console_input( -1 )))
-    {
-        if ((process->console_out = create_console_output( -1, process->console_in )))
-            return 1;
-        release_object( process->console_in );
-    }
-    return 0;
+
+    return &screen_buffer->obj;
 }
 
 /* free the console for this process */
 int free_console( struct process *process )
 {
-    if (process->console_in) release_object( process->console_in );
-    if (process->console_out) release_object( process->console_out );
-    process->console_in = process->console_out = NULL;
+    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;
+	console_input_events_append( console->evt, &evt );
+    }
+    release_object( console );
+
     return 1;
 }
 
-static int set_console_fd( handle_t handle, int fd_in, int fd_out, int pid )
+/* 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
+ */
+void inherit_console(struct process *parent, struct process *process, handle_t hconin)
 {
-    struct console_input *input;
-    struct screen_buffer *output;
-    struct object *obj;
+    int done = 0;
 
-    if (!(obj = get_handle_obj( current->process, handle, 0, NULL )))
-        return 0;
-    if (obj->ops == &console_input_ops)
+    /* if parent is a renderer, then attach current process to its console
+     * a bit hacky....
+     */
+    if (hconin)
     {
-        input = (struct console_input *)obj;
-        output = input->output;
-        grab_object( output );
+	struct console_input* console;
+
+        if ((console = (struct console_input*)get_handle_obj( parent, hconin, 0, NULL )))
+	{
+	    if (console->renderer == parent)
+	    {
+		process->console = (struct console_input*)grab_object( console );
+		process->console->num_proc++;
+		done = 1;
+	    }
+	    release_object( console );
+	}
     }
-    else if (obj->ops == &screen_buffer_ops)
+    /* otherwise, if parent has a console, attach child to this console */
+    if (!done && parent->console)
     {
-        output = (struct screen_buffer *)obj;
-        input = output->input;
-        grab_object( input );
+	assert(parent->console->renderer);
+	process->console = (struct console_input*)grab_object( parent->console );
+	process->console->num_proc++;
     }
-    else
+}
+
+static struct console_input* console_input_get( handle_t handle, unsigned access )
+{
+    struct console_input*	console = 0;
+
+    if (handle)
+	console = (struct console_input *)get_handle_obj( current->process, handle,
+							  access, &console_input_ops );
+    else if (current->process->console)
     {
-        set_error( STATUS_OBJECT_TYPE_MISMATCH );
-        release_object( obj );
-        return 0;
+	assert( current->process->console->renderer );
+	console = (struct console_input *)grab_object( current->process->console );
     }
 
-    /* can't change the fd if someone is waiting on it */
-    assert( !input->obj.head );
-    assert( !output->obj.head );
+    if (!console && !get_error()) set_error(STATUS_INVALID_PARAMETER);
+    return console;
+}
 
-    change_select_fd( &input->obj, fd_in );
-    change_select_fd( &output->obj, fd_out );
-    output->pid = pid;
-    release_object( input );
-    release_object( output );
-    return 1;
+/* check if a console input is signaled: yes if non read input records */
+static int console_input_signaled( struct object *obj, struct thread *thread )
+{
+    struct console_input *console = (struct console_input *)obj;
+    assert( obj->ops == &console_input_ops );
+    return console->recnum ? 1 : 0;
 }
 
 static int get_console_mode( handle_t handle )
@@ -220,15 +386,17 @@
     return ret;
 }
 
+/* changes the mode of either a console input or a screen buffer */
 static int set_console_mode( handle_t handle, int mode )
 {
     struct object *obj;
     int ret = 0;
 
-    if (!(obj = get_handle_obj( current->process, handle, GENERIC_READ, NULL )))
+    if (!(obj = get_handle_obj( current->process, handle, GENERIC_WRITE, NULL )))
         return 0;
     if (obj->ops == &console_input_ops)
     {
+	/* FIXME: if we remove the edit mode bits, we need (???) to clean up the history */
         ((struct console_input *)obj)->mode = mode;
         ret = 1;
     }
@@ -242,43 +410,12 @@
     return ret;
 }
 
-/* set misc console information (output handle only) */
-static int set_console_info( handle_t handle, struct set_console_info_request *req,
-                             const char *title, size_t len )
-{
-    struct screen_buffer *console;
-    if (!(console = (struct screen_buffer *)get_handle_obj( current->process, handle,
-                                                            GENERIC_WRITE, &screen_buffer_ops )))
-        return 0;
-    if (req->mask & SET_CONSOLE_INFO_CURSOR)
-    {
-        console->cursor_size    = req->cursor_size;
-        console->cursor_visible = req->cursor_visible;
-    }
-    if (req->mask & SET_CONSOLE_INFO_TITLE)
-    {
-        char *new_title = mem_alloc( len + 1 );
-        if (new_title)
-        {
-            memcpy( new_title, title, len );
-            new_title[len] = 0;
-            if (console->title) free( console->title );
-            console->title = new_title;
-        }
-    }
-    release_object( console );
-    return 1;
-}
-
 /* add input events to a console input queue */
-static int write_console_input( handle_t handle, int count, INPUT_RECORD *records )
+static int write_console_input( struct console_input* console, int count, INPUT_RECORD *records )
 {
     INPUT_RECORD *new_rec;
-    struct console_input *console;
 
-    if (!(console = (struct console_input *)get_handle_obj( current->process, handle,
-                                                            GENERIC_WRITE, &console_input_ops )))
-        return -1;
+    assert(count);
     if (!(new_rec = realloc( console->records,
                              (console->recnum + count) * sizeof(INPUT_RECORD) )))
     {
@@ -289,7 +426,9 @@
     console->records = new_rec;
     memcpy( new_rec + console->recnum, records, count * sizeof(INPUT_RECORD) );
     console->recnum += count;
-    release_object( console );
+
+    /* wake up all waiters */
+    wake_up( &console->obj, 0 );
     return count;
 }
 
@@ -317,7 +456,7 @@
     {
         int i;
         for (i = count; i < console->recnum; i++)
-            console->records[i-count] = console->records[i];
+            ((INPUT_RECORD*)console->records)[i-count] = ((INPUT_RECORD*)console->records)[i];
         if ((console->recnum -= count) > 0)
         {
             INPUT_RECORD *new_rec = realloc( console->records,
@@ -334,26 +473,283 @@
     return count;
 }
 
+/* set misc console input information */
+static int set_console_input_info( struct set_console_input_info_request *req, 
+				   const WCHAR *title, size_t len )
+{
+    struct console_input *console;
+    struct console_renderer_event evt;
+
+    if (!(console = console_input_get( req->handle, GENERIC_WRITE ))) goto error;
+
+    if (req->mask & SET_CONSOLE_INPUT_INFO_ACTIVE_SB)
+    {
+	struct screen_buffer *screen_buffer;
+
+	screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->active_sb, 
+								GENERIC_READ, &screen_buffer_ops );
+	if (!screen_buffer || screen_buffer->input != console)
+	{
+	    set_error( STATUS_INVALID_PARAMETER );
+	    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;
+	    evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
+	    console_input_events_append( console->evt, &evt );
+	}
+	else
+	    release_object( screen_buffer );
+    }
+    if (req->mask & SET_CONSOLE_INPUT_INFO_TITLE)
+    {
+        WCHAR *new_title = mem_alloc( len + sizeof(WCHAR) );
+        if (new_title)
+        {
+            memcpy( new_title, title, len + sizeof(WCHAR) );
+            new_title[len / sizeof(WCHAR)] = 0;
+            if (console->title) free( console->title );
+            console->title = new_title;
+        }
+    }
+    if (req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_MODE)
+    {
+	console->history_mode = req->history_mode;
+    }
+    if ((req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_SIZE) && 
+	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*) );
+	}
+
+	delta = (console->history_index > req->history_size) ? 
+	    (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++)
+	    if (console->history[i]) free( console->history[i] );
+	free( console->history );
+	console->history = mem;
+	console->history_size = req->history_size;
+    }
+    release_object( console );
+    return 1;
+ error:
+    if (console) release_object( console );
+    return 0;
+}
+
+/* set misc screen buffer information */
+static int set_console_output_info( struct screen_buffer *screen_buffer, 
+				    struct set_console_output_info_request *req )
+{
+    struct console_renderer_event evt;
+
+    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;
+	}
+        if (screen_buffer->cursor_size != req->cursor_size || 
+	    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)
+    {
+	if (req->cursor_x < 0 || req->cursor_x >= screen_buffer->width || 
+	    req->cursor_y < 0 || req->cursor_y >= screen_buffer->height)
+	{
+	    set_error( STATUS_INVALID_PARAMETER );
+	    return 0;
+	}
+	if (screen_buffer->cursor.X != req->cursor_x || screen_buffer->cursor.Y != req->cursor_y)
+	{
+	    screen_buffer->cursor.X       = req->cursor_x;
+	    screen_buffer->cursor.Y       = req->cursor_y;
+	    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)
+    {
+	int		i, j;
+	/* FIXME: there are also some basic minimum and max size to deal with */
+	unsigned*	new_data = mem_alloc( 4 * req->width * req->height );
+
+	if (!new_data) return 0;
+
+	/* fill the buffer with either the old buffer content or white on black spaces */
+	for (j = 0; j < req->height; j++)
+	{
+	    for (i = 0; i < req->width; i++)
+	    {
+		new_data[j * req->width + i] = 
+		    (i < screen_buffer->width && j < screen_buffer->height) ?
+		    screen_buffer->data[j * screen_buffer->width + i] : 0x00F00020;
+	    }	
+	}
+	free( screen_buffer->data );
+	screen_buffer->data = new_data;
+	screen_buffer->width = req->width;
+	screen_buffer->height = req->height;
+	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 );
+
+	if (screen_buffer == screen_buffer->input->active && 
+	    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)
+    {
+	if (req->win_left < 0 || req->win_left > req->win_right || 
+	    req->win_right >= screen_buffer->width ||
+	    req->win_top < 0  || req->win_top > req->win_bottom || 
+	    req->win_bottom >= screen_buffer->height)
+	{
+	    set_error( STATUS_INVALID_PARAMETER );
+	    return 0;
+	}
+	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)
+	{
+	    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;
+	    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;
+}
+
+/* appends a new line to history (history is a fixed size array) */
+static void console_input_append_hist( struct console_input* console, const WCHAR* buf, size_t len )
+{
+    WCHAR*	ptr = mem_alloc( (len + 1) * sizeof(WCHAR) );
+
+    if (!ptr)
+    {
+	set_error( STATUS_NO_MEMORY );
+	return;
+    }
+    if (!console || !console->history_size)
+    {
+	set_error( STATUS_INVALID_PARAMETER ); /* FIXME */
+	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]) ;
+	memmove( &console->history[0], &console->history[1], 
+		 (console->history_size - 1) * sizeof(WCHAR*) );
+	console->history[console->history_size - 1] = ptr;
+    }
+}
+
+/* returns a line from the cachde */
+static int console_input_get_hist( struct console_input* console, WCHAR* buf, size_t len, int index )
+{
+    int	ret;
+
+    /* FIXME: don't use len yet */
+    if (!console || index >= console->history_index)
+    {
+	set_error( STATUS_INVALID_PARAMETER );
+	return 0;
+    }
+    ret = strlenW(console->history[index]);
+    memcpy( buf, console->history[index], ret * sizeof(WCHAR) ); /* FIXME should use len */
+    return ret;
+}
+
+/* dumb dump */
 static void console_input_dump( struct object *obj, int verbose )
 {
     struct console_input *console = (struct console_input *)obj;
     assert( obj->ops == &console_input_ops );
-    fprintf( stderr, "Console input fd=%d\n", console->obj.fd );
+    fprintf( stderr, "Console input active=%p evt=%p\n", 
+	     console->active, console->evt );
 }
 
-static int console_input_get_poll_events( struct object *obj )
-{
-    return POLLIN;
-}
-
-static int console_input_get_fd( struct object *obj )
-{
-    struct console_input *console = (struct console_input *)obj;
-    assert( obj->ops == &console_input_ops );
-    return console->obj.fd;
-}
-
-static int console_get_info( struct object *obj, struct get_file_info_request *req )
+static int console_get_file_info( struct object *obj, struct get_file_info_request *req )
 {
     if (req)
     {
@@ -373,59 +769,245 @@
 
 static void console_input_destroy( struct object *obj )
 {
-    struct console_input *console = (struct console_input *)obj;
+    struct console_input*	console_in = (struct console_input *)obj;
+    struct screen_buffer*	curr;
+    int				i;
+
     assert( obj->ops == &console_input_ops );
-    if (console->output) console->output->input = NULL;
+    if (console_in->title) free( console_in->title );
+    if (console_in->records) free( console_in->records );
+
+    if (console_in->active)	release_object( console_in->active );
+    console_in->active = NULL;
+
+    for (curr = screen_buffer_list; curr; curr = curr->next)
+    {
+	if (curr->input == console_in) curr->input = NULL;
+    }
+
+    release_object( console_in->evt );
+    console_in->evt = NULL;
+
+    for (i = 0; i < console_in->history_size; i++)
+	if (console_in->history[i]) free( console_in->history[i] );
+    if (console_in->history) free( console_in->history );
 }
 
 static void screen_buffer_dump( struct object *obj, int verbose )
 {
-    struct screen_buffer *console = (struct screen_buffer *)obj;
+    struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
     assert( obj->ops == &screen_buffer_ops );
-    fprintf( stderr, "Console screen buffer fd=%d\n", console->obj.fd );
-}
 
-static int screen_buffer_get_poll_events( struct object *obj )
-{
-    return POLLOUT;
-}
-
-static int screen_buffer_get_fd( struct object *obj )
-{
-    struct screen_buffer *console = (struct screen_buffer *)obj;
-    assert( obj->ops == &screen_buffer_ops );
-    return console->obj.fd;
+    fprintf(stderr, "Console screen buffer input=%p\n", screen_buffer->input );
 }
 
 static void screen_buffer_destroy( struct object *obj )
 {
-    struct screen_buffer *console = (struct screen_buffer *)obj;
+    struct screen_buffer*	screen_buffer = (struct screen_buffer *)obj;
+    struct screen_buffer**	psb;
+
     assert( obj->ops == &screen_buffer_ops );
-    if (console->input) console->input->output = NULL;
-    if (console->title) free( console->title );
+
+    for (psb = &screen_buffer_list; *psb; *psb = (*psb)->next)
+    {
+	if (*psb == screen_buffer)
+	{
+	    *psb = screen_buffer->next;
+	    break;
+	}
+    }	
+    if (screen_buffer->input && screen_buffer->input->active == screen_buffer)
+    {
+	struct screen_buffer*	sb;
+	for (sb = screen_buffer_list; sb && sb->input != screen_buffer->input; sb = sb->next);
+	screen_buffer->input->active = sb;
+    }
 }
 
-/* allocate a console for the current process */
+/* write data into a screen buffer */
+static int write_console_output( struct screen_buffer *screen_buffer, size_t size, 
+				 const unsigned char* data, int mode, short int x, short int y )
+{
+    int 			uniform = mode & WRITE_CONSOLE_MODE_UNIFORM;
+    unsigned		       *ptr;
+    unsigned			i, inc;
+    int				len;
+
+    mode &= ~WRITE_CONSOLE_MODE_UNIFORM;
+
+    if (mode < 0 || mode > 3)
+    {
+	set_error(STATUS_INVALID_PARAMETER);
+	return 0;
+    }
+
+    /* set destination pointer and increment */
+    ptr = screen_buffer->data + (y * screen_buffer->width + x);
+    if (mode == WRITE_CONSOLE_MODE_ATTR) ptr = (unsigned*)((char*)ptr + 2);
+    inc = (mode == WRITE_CONSOLE_MODE_TEXTATTR) ? 4 : 2;
+    len = size / inc;
+
+    /* crop if needed */
+    if (x + len > screen_buffer->width) len = screen_buffer->width - x;
+
+    for (i = 0; i < len; i++)
+    {
+	if (mode == WRITE_CONSOLE_MODE_TEXTSTDATTR)
+	{
+	    memcpy( (char*)ptr + 2, &screen_buffer->attr, 2 );
+	}	
+	memcpy( ptr++, data, inc );
+	if (!uniform) data += inc;
+    }
+
+    if (len && screen_buffer == screen_buffer->input->active)
+    {
+	int	y2;
+	struct console_renderer_event evt;
+
+	y2 = (y * screen_buffer->width + x + len - 1) / screen_buffer->width;
+
+	evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
+	evt.u.update.top    = y;
+	evt.u.update.bottom = y2;
+	console_input_events_append( screen_buffer->input->evt, &evt );
+    }
+    return len;
+}
+
+/* read data from a screen buffer */
+static int read_console_output( struct screen_buffer *screen_buffer, size_t size, void* data, 
+				short int x, short int y, short int w, short int h, 
+				short int* eff_w, short int* eff_h )
+{
+    int	j;
+
+    if (size < w * h * 4 || x >= screen_buffer->width || y >= screen_buffer->height)
+    {	
+	set_error(STATUS_INVALID_PARAMETER);
+	return 0;
+    }
+
+    *eff_w = w;
+    *eff_h = h;
+    if (x + w > screen_buffer->width)  *eff_w = screen_buffer->width  - x;
+    if (y + h > screen_buffer->height) *eff_h = screen_buffer->height - y;
+
+    for (j = 0; j < *eff_h; j++)
+    {
+	memcpy( (char*)data + 4 * j * w, &screen_buffer->data[(y + j) * screen_buffer->width + x],
+	        *eff_w * 4 );
+    }
+
+    return *eff_w * *eff_h;
+}
+
+/* scroll parts of a screen buffer */
+static void scroll_console_output( handle_t handle, short int xsrc, short int ysrc, 
+				   short int xdst, short int ydst, short int w, short int h )
+{
+    struct screen_buffer *screen_buffer;
+    int				j;
+    unsigned*			psrc;
+    unsigned*			pdst;
+    struct console_renderer_event evt;
+
+    if (!(screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, handle,
+								  GENERIC_READ, &screen_buffer_ops )))
+	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;
+    }
+
+    if (ysrc < ydst)
+    {
+	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--)
+	{
+	    memcpy(pdst, psrc, w * 4);
+	    pdst -= screen_buffer->width;
+	    psrc -= screen_buffer->width;
+	}
+    }
+    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++)
+	{
+	    /* we use memmove here because when psrc and pdst are the same, 
+	     * copies are done on the same row, so the dst and src blocks
+	     * can overlap */
+	    memmove( pdst, psrc, w * 4 );
+	    pdst += screen_buffer->width;
+	    psrc += screen_buffer->width;
+	}
+    }
+
+    /* FIXME: this could be enhanced, by signalling scroll */
+    evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
+    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 );
+
+    release_object( screen_buffer );
+}
+
+/* allocate a console for the renderer */
 DECL_HANDLER(alloc_console)
 {
-    handle_t in = 0, out = 0;
+    handle_t in = 0;
+    handle_t evt = 0;
+    struct process *process;
+    struct process *renderer = current->process;
+    struct console_input *console;
 
-    if (!alloc_console( current->process )) goto done;
+    process = (req->pid) ? get_process_from_id( req->pid ) :
+              (struct process *)grab_object( renderer->parent );
 
-    if ((in = alloc_handle( current->process, current->process->console_in,
-                            req->access, req->inherit )))
-    {
-        if ((out = alloc_handle( current->process, current->process->console_out,
-                                 req->access, req->inherit )))
-            goto done;  /* everything is fine */
-        close_handle( current->process, in, NULL );
-        in = 0;
+    req->handle_in = 0;
+    req->event = 0;
+    if (!process) return;
+    if (process != renderer && process->console)
+    {	
+	set_error( STATUS_ACCESS_DENIED );
+	goto the_end;
     }
-    free_console( current->process );
 
- done:
-    req->handle_in  = in;
-    req->handle_out = out;
+    if ((console = (struct console_input*)create_console_input( renderer )))
+    {
+	if ((in = alloc_handle( renderer, console, req->access, req->inherit )))
+	{
+	    if ((evt = alloc_handle( renderer, console->evt, 
+				     SYNCHRONIZE|GENERIC_READ|GENERIC_WRITE, FALSE )))
+	    {
+		if (process != renderer)
+		{
+		    process->console = (struct console_input*)grab_object( console );
+		    console->num_proc++;
+		}
+		req->handle_in = in;
+		req->event = evt;
+		release_object( console );
+		goto the_end;
+	    }
+	    close_handle( renderer, in, NULL );
+	}
+	free_console( process );
+    }
+ the_end:
+    release_object( process );
 }
 
 /* free the console of the current process */
@@ -434,58 +1016,83 @@
     free_console( current->process );
 }
 
+/* let the renderer peek the events it's waiting on */
+DECL_HANDLER(get_console_renderer_events)
+{
+    struct console_input_events*	evt;
+    size_t len = 0;
+
+    evt = (struct console_input_events *)get_handle_obj( current->process, req->handle,
+							 GENERIC_WRITE, &console_input_events_ops );
+    if (!evt) return;
+    len = console_input_events_get( evt, get_req_data(req), get_req_data_size(req) );
+    set_req_data_size( req, len );
+    release_object( evt );
+}
+
 /* open a handle to the process console */
 DECL_HANDLER(open_console)
 {
-    struct object *obj= req->output ? current->process->console_out : current->process->console_in;
+    struct object      *obj = NULL;
 
     req->handle = 0;
-    if (obj) req->handle = alloc_handle( current->process, obj, req->access, req->inherit );
-    else set_error( STATUS_ACCESS_DENIED );
+    switch (req->from)
+    {
+    case 0: 
+	if (current->process->console && current->process->console->renderer)
+	    obj = grab_object( (struct object*)current->process->console );
+	break;
+    case 1: 
+	 if (current->process->console && current->process->console->renderer && 
+	     current->process->console->active)
+	     obj = grab_object( (struct object*)current->process->console->active );
+	break;
+    default:
+	if ((obj = get_handle_obj( current->process, (handle_t)req->from,
+				   GENERIC_READ|GENERIC_WRITE, &console_input_ops )))
+	{
+	    struct console_input* console = (struct console_input*)obj;
+	    obj = (console->active) ? grab_object( console->active ) : NULL;
+	    release_object( console );
+	}
+	break;
+    }
+
+    /* FIXME: req->share is not used (as in screen buffer creation)  */
+    if (obj)
+    {
+	req->handle = alloc_handle( current->process, obj, req->access, req->inherit );
+	release_object( obj );
+    }
+    if (!req->handle && !get_error()) set_error( STATUS_ACCESS_DENIED );
 }
 
-/* set info about a console (output only) */
-DECL_HANDLER(set_console_info)
+/* set info about a console input */
+DECL_HANDLER(set_console_input_info)
 {
-    set_console_info( req->handle, req, get_req_data(req), get_req_data_size(req) );
+    set_console_input_info( req, get_req_data(req), get_req_data_size(req) );
 }
 
 /* get info about a console (output only) */
-DECL_HANDLER(get_console_info)
+DECL_HANDLER(get_console_input_info)
 {
-    struct screen_buffer *console;
-    size_t len = 0;
+    struct console_input *console = 0;
 
-    if ((console = (struct screen_buffer *)get_handle_obj( current->process, req->handle,
-                                                           GENERIC_READ, &screen_buffer_ops )))
+    set_req_data_size( req, 0 );
+    if (!(console = console_input_get( req->handle, GENERIC_READ ))) return;
+
+    if (console->title)
     {
-        req->cursor_size    = console->cursor_size;
-        req->cursor_visible = console->cursor_visible;
-        req->pid            = console->pid;
-        if (console->title)
-        {
-            len = strlen( console->title );
-            if (len > get_req_data_size(req)) len = get_req_data_size(req);
-            memcpy( get_req_data(req), console->title, len );
-        }
-        release_object( console );
+	size_t len = strlenW( console->title ) * sizeof(WCHAR);
+	if (len > get_req_data_size(req)) len = get_req_data_size(req);
+	memcpy( get_req_data(req), console->title, len );
+	set_req_data_size( req, len );
     }
-    set_req_data_size( req, len );
-}
+    req->history_mode  = console->history_mode;
+    req->history_size  = console->history_size;
+    req->history_index = console->history_index;
 
-/* set a console fd */
-DECL_HANDLER(set_console_fd)
-{
-    int fd_out, fd_in  = thread_get_inflight_fd( current, req->fd_in );
-
-    if (req->fd_out == req->fd_in) fd_out = dup( fd_in );
-    else fd_out = thread_get_inflight_fd( current, req->fd_out );
-
-    if (fd_in == -1 || fd_out == -1) set_error( STATUS_INVALID_HANDLE );
-    else if (set_console_fd( req->handle, fd_in, fd_out, req->pid )) return;
-
-    if (fd_in != -1) close( fd_in );
-    if (fd_out != -1) close( fd_out );
+    release_object( console );
 }
 
 /* get a console mode (input or output) */
@@ -503,8 +1110,16 @@
 /* add input records to a console input queue */
 DECL_HANDLER(write_console_input)
 {
-    req->written = write_console_input( req->handle, get_req_data_size(req) / sizeof(INPUT_RECORD),
+    struct console_input *console;
+
+    req->written = 0;
+    if (!(console = (struct console_input *)get_handle_obj( current->process, req->handle,
+                                                            GENERIC_WRITE, &console_input_ops )))
+        return;
+
+    req->written = write_console_input( console, get_req_data_size(req) / sizeof(INPUT_RECORD),
                                         get_req_data(req) );
+    release_object( console );
 }
 
 /* fetch input records from a console input queue */
@@ -516,3 +1131,132 @@
     if (size) set_req_data_size( req, res * sizeof(INPUT_RECORD) );
     req->read = res;
 }
+
+/* appends a string to console's history */
+DECL_HANDLER(append_console_input_history)
+{
+    struct console_input*	console;
+
+    if (!(console = console_input_get( req->handle, GENERIC_WRITE ))) return;
+    console_input_append_hist( console, get_req_data(req), 
+			       get_req_data_size(req) / sizeof(WCHAR) );
+    release_object( console );
+}
+
+/* appends a string to console's history */
+DECL_HANDLER(get_console_input_history)
+{
+    struct console_input*	console;
+    int len;
+
+    if (!(console = console_input_get( req->handle, GENERIC_WRITE ))) return;
+
+    len = console_input_get_hist( console, get_req_data(req), 0 /* FIXME */, req->index );
+    set_req_data_size( req, len * sizeof(WCHAR));
+    release_object( console );
+}
+
+/* creates a screen buffer */
+DECL_HANDLER(create_console_output)
+{
+    struct console_input*	console;
+    struct screen_buffer*	screen_buffer;
+
+    if (!(console = console_input_get( req->handle_in, GENERIC_WRITE))) return;
+
+    screen_buffer = (struct screen_buffer*)create_console_output( console );
+    if (screen_buffer)
+    {
+	/* FIXME: should store sharing and test it when opening the CONOUT$ device 
+	 * see file.c on how this could be done
+	 */
+	req->handle_out = alloc_handle( current->process, screen_buffer, req->access, req->inherit );
+	release_object( screen_buffer );
+    }
+    release_object( console );
+}
+
+/* set info about a console screen buffer */
+DECL_HANDLER(set_console_output_info)
+{
+    struct screen_buffer       *screen_buffer;
+
+    if (!(screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
+								 GENERIC_WRITE, &screen_buffer_ops )))
+	return;
+
+    set_console_output_info( screen_buffer, req );
+    release_object( screen_buffer );
+}
+
+/* get info about a console screen buffer */
+DECL_HANDLER(get_console_output_info)
+{
+    struct screen_buffer *screen_buffer;
+    size_t len = 0;
+
+    if ((screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->handle,
+								 GENERIC_READ, &screen_buffer_ops )))
+    {
+        req->cursor_size    = screen_buffer->cursor_size;
+        req->cursor_visible = screen_buffer->cursor_visible;
+	req->cursor_x       = screen_buffer->cursor.X;
+	req->cursor_y       = screen_buffer->cursor.Y;
+	req->width          = screen_buffer->width;
+	req->height         = screen_buffer->height;
+	req->attr           = screen_buffer->attr;
+	req->win_left       = screen_buffer->win.Left;
+	req->win_top        = screen_buffer->win.Top;
+	req->win_right      = screen_buffer->win.Right;
+	req->win_bottom     = screen_buffer->win.Bottom;
+	req->max_width      = screen_buffer->max_width;
+	req->max_height     = screen_buffer->max_height;
+
+        release_object( screen_buffer );
+    }
+    set_req_data_size( req, len );
+}
+
+/* read data (chars & attrs) from a screen buffer */
+DECL_HANDLER(read_console_output)
+{
+    struct screen_buffer       *screen_buffer;
+    size_t 			size = get_req_data_size(req);
+    int				res;
+
+    if (!(screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
+								 GENERIC_READ, &screen_buffer_ops )))
+	return;
+
+    res = read_console_output( screen_buffer, size, get_req_data(req), 
+			       req->x, req->y, req->w, req->h, &req->eff_w, &req->eff_h);
+    /* if size was 0 we didn't fetch anything */
+    if (size) set_req_data_size( req, res * 4 );
+    release_object( screen_buffer );
+}
+
+/* write data (char and/or attrs) to a screen buffer */
+DECL_HANDLER(write_console_output)
+{
+    struct screen_buffer       *screen_buffer;
+    size_t 			size = get_req_data_size(req);
+    int				res;
+
+    if (!(screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
+								 GENERIC_WRITE, &screen_buffer_ops )))
+	return;
+
+    res = write_console_output( screen_buffer, size, get_req_data(req), req->mode, req->x, req->y );
+
+    /* if size was 0 we didn't fetch anything */
+    if (size) set_req_data_size( req, res );
+    req->written = res;
+    release_object( screen_buffer );
+}
+
+/* move a rect of data in a screen buffer */
+DECL_HANDLER(move_console_output)
+{
+    scroll_console_output( req->handle, req->x_src, req->y_src, req->x_dst, req->y_dst, 
+			   req->w, req->h );
+}