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Sweden-Number/programs/conhost/conhost.c

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/*
* Copyright 1998 Alexandre Julliard
* Copyright 2001 Eric Pouech
* Copyright 2012 Detlef Riekenberg
* Copyright 2020 Jacek Caban
*
* 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
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <limits.h>
#include "conhost.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(console);
static const char_info_t empty_char_info = { ' ', 0x0007 }; /* white on black space */
static CRITICAL_SECTION console_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &console_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": console_section") }
};
static CRITICAL_SECTION console_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static void *ioctl_buffer;
static size_t ioctl_buffer_size;
static void *alloc_ioctl_buffer( size_t size )
{
if (size > ioctl_buffer_size)
{
void *new_buffer;
if (!(new_buffer = realloc( ioctl_buffer, size ))) return NULL;
ioctl_buffer = new_buffer;
ioctl_buffer_size = size;
}
return ioctl_buffer;
}
static int screen_buffer_compare_id( const void *key, const struct wine_rb_entry *entry )
{
struct screen_buffer *screen_buffer = WINE_RB_ENTRY_VALUE( entry, struct screen_buffer, entry );
return PtrToLong(key) - screen_buffer->id;
}
static struct wine_rb_tree screen_buffer_map = { screen_buffer_compare_id };
static void destroy_screen_buffer( struct screen_buffer *screen_buffer )
{
if (screen_buffer->console->active == screen_buffer)
screen_buffer->console->active = NULL;
wine_rb_remove( &screen_buffer_map, &screen_buffer->entry );
free( screen_buffer->data );
free( screen_buffer );
}
static struct screen_buffer *create_screen_buffer( struct console *console, int id, int width, int height )
{
struct screen_buffer *screen_buffer;
unsigned int i;
if (!(screen_buffer = calloc( 1, sizeof(*screen_buffer) ))) return NULL;
screen_buffer->console = console;
screen_buffer->id = id;
screen_buffer->mode = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
screen_buffer->cursor_size = 25;
screen_buffer->cursor_visible = 1;
screen_buffer->width = width;
screen_buffer->height = height;
screen_buffer->attr = 0x07;
screen_buffer->popup_attr = 0xf5;
screen_buffer->font.weight = FW_NORMAL;
screen_buffer->font.pitch_family = FIXED_PITCH | FF_DONTCARE;
if (console->active)
{
screen_buffer->max_width = console->active->max_width;
screen_buffer->max_height = console->active->max_height;
screen_buffer->win.right = console->active->win.right - console->active->win.left;
screen_buffer->win.bottom = console->active->win.bottom - console->active->win.top;
}
else
{
screen_buffer->max_width = width;
screen_buffer->max_height = height;
screen_buffer->win.right = width - 1;
screen_buffer->win.bottom = height - 1;
}
if (wine_rb_put( &screen_buffer_map, LongToPtr(id), &screen_buffer->entry ))
{
free( screen_buffer );
ERR( "id %x already exists\n", id );
return NULL;
}
if (!(screen_buffer->data = malloc( screen_buffer->width * screen_buffer->height *
sizeof(*screen_buffer->data) )))
{
destroy_screen_buffer( 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) );
return screen_buffer;
}
static BOOL is_active( struct screen_buffer *screen_buffer )
{
return screen_buffer == screen_buffer->console->active;
}
static unsigned int get_tty_cp( struct console *console )
{
return console->is_unix ? CP_UNIXCP : CP_UTF8;
}
static void tty_flush( struct console *console )
{
if (!console->tty_output || !console->tty_buffer_count) return;
TRACE("%s\n", debugstr_an(console->tty_buffer, console->tty_buffer_count));
if (!WriteFile( console->tty_output, console->tty_buffer, console->tty_buffer_count,
NULL, NULL ))
WARN( "write failed: %u\n", GetLastError() );
console->tty_buffer_count = 0;
}
static void tty_write( struct console *console, const char *buffer, size_t size )
{
if (!size || !console->tty_output) return;
if (console->tty_buffer_count + size > sizeof(console->tty_buffer))
tty_flush( console );
if (console->tty_buffer_count + size <= sizeof(console->tty_buffer))
{
memcpy( console->tty_buffer + console->tty_buffer_count, buffer, size );
console->tty_buffer_count += size;
}
else
{
assert( !console->tty_buffer_count );
if (!WriteFile( console->tty_output, buffer, size, NULL, NULL ))
WARN( "write failed: %u\n", GetLastError() );
}
}
static void *tty_alloc_buffer( struct console *console, size_t size )
{
void *ret;
if (console->tty_buffer_count + size > sizeof(console->tty_buffer)) return NULL;
ret = console->tty_buffer + console->tty_buffer_count;
console->tty_buffer_count += size;
return ret;
}
static void hide_tty_cursor( struct console *console )
{
if (console->tty_cursor_visible)
{
tty_write( console, "\x1b[?25l", 6 );
console->tty_cursor_visible = FALSE;
}
}
static void set_tty_cursor( struct console *console, unsigned int x, unsigned int y )
{
char buf[64];
if (console->tty_cursor_x == x && console->tty_cursor_y == y) return;
if (!x && y == console->tty_cursor_y + 1) strcpy( buf, "\r\n" );
else if (!x && y == console->tty_cursor_y) strcpy( buf, "\r" );
else if (y == console->tty_cursor_y)
{
if (x + 1 == console->tty_cursor_x) strcpy( buf, "\b" );
else if (x > console->tty_cursor_x) sprintf( buf, "\x1b[%uC", x - console->tty_cursor_x );
else sprintf( buf, "\x1b[%uD", console->tty_cursor_x - x );
}
else if (x || y)
{
hide_tty_cursor( console );
sprintf( buf, "\x1b[%u;%uH", y + 1, x + 1);
}
else strcpy( buf, "\x1b[H" );
console->tty_cursor_x = x;
console->tty_cursor_y = y;
tty_write( console, buf, strlen(buf) );
}
static void set_tty_cursor_relative( struct console *console, unsigned int x, unsigned int y )
{
if (y < console->tty_cursor_y)
{
char buf[64];
sprintf( buf, "\x1b[%uA", console->tty_cursor_y - y );
tty_write( console, buf, strlen(buf) );
console->tty_cursor_y = y;
}
else
{
while (console->tty_cursor_y < y)
{
console->tty_cursor_x = 0;
console->tty_cursor_y++;
tty_write( console, "\r\n", 2 );
}
}
set_tty_cursor( console, x, y );
}
static void set_tty_attr( struct console *console, unsigned int attr )
{
char buf[8];
if ((attr & 0x0f) != (console->tty_attr & 0x0f))
{
if ((attr & 0x0f) != 7)
{
unsigned int n = 30;
if (attr & FOREGROUND_BLUE) n += 4;
if (attr & FOREGROUND_GREEN) n += 2;
if (attr & FOREGROUND_RED) n += 1;
if (attr & FOREGROUND_INTENSITY) n += 60;
sprintf(buf, "\x1b[%um", n);
tty_write( console, buf, strlen(buf) );
}
else tty_write( console, "\x1b[m", 3 );
}
if ((attr & 0xf0) != (console->tty_attr & 0xf0) && attr != 7)
{
unsigned int n = 40;
if (attr & BACKGROUND_BLUE) n += 4;
if (attr & BACKGROUND_GREEN) n += 2;
if (attr & BACKGROUND_RED) n += 1;
if (attr & BACKGROUND_INTENSITY) n += 60;
sprintf(buf, "\x1b[%um", n);
tty_write( console, buf, strlen(buf) );
}
console->tty_attr = attr;
}
static void tty_sync( struct console *console )
{
if (!console->tty_output) return;
if (console->active->cursor_visible)
{
set_tty_cursor( console, console->active->cursor_x, console->active->cursor_y );
if (!console->tty_cursor_visible)
{
tty_write( console, "\x1b[?25h", 6 ); /* show cursor */
console->tty_cursor_visible = TRUE;
}
}
else if (console->tty_cursor_visible)
hide_tty_cursor( console );
tty_flush( console );
}
static void init_tty_output( struct console *console )
{
if (!console->is_unix)
{
/* initialize tty output, but don't flush */
tty_write( console, "\x1b[2J", 4 ); /* clear screen */
set_tty_attr( console, console->active->attr );
tty_write( console, "\x1b[H", 3 ); /* move cursor to (0,0) */
}
else console->tty_attr = empty_char_info.attr;
console->tty_cursor_visible = TRUE;
}
static void scroll_to_cursor( struct screen_buffer *screen_buffer )
{
int w = screen_buffer->win.right - screen_buffer->win.left + 1;
int h = screen_buffer->win.bottom - screen_buffer->win.top + 1;
if (screen_buffer->cursor_x < screen_buffer->win.left)
screen_buffer->win.left = min( screen_buffer->cursor_x, screen_buffer->width - w );
else if (screen_buffer->cursor_x > screen_buffer->win.right)
screen_buffer->win.left = max( screen_buffer->cursor_x, w ) - w + 1;
screen_buffer->win.right = screen_buffer->win.left + w - 1;
if (screen_buffer->cursor_y < screen_buffer->win.top)
screen_buffer->win.top = min( screen_buffer->cursor_y, screen_buffer->height - h );
else if (screen_buffer->cursor_y > screen_buffer->win.bottom)
screen_buffer->win.top = max( screen_buffer->cursor_y, h ) - h + 1;
screen_buffer->win.bottom = screen_buffer->win.top + h - 1;
}
static void update_output( struct screen_buffer *screen_buffer, RECT *rect )
{
int x, y, size, trailing_spaces;
char_info_t *ch;
char buf[8];
if (!is_active( screen_buffer ) || rect->top > rect->bottom || rect->right < rect->left)
return;
TRACE( "%s\n", wine_dbgstr_rect( rect ));
if (screen_buffer->console->win)
{
update_window_region( screen_buffer->console, rect );
return;
}
if (!screen_buffer->console->tty_output) return;
hide_tty_cursor( screen_buffer->console );
for (y = rect->top; y <= rect->bottom; y++)
{
for (trailing_spaces = 0; trailing_spaces < screen_buffer->width; trailing_spaces++)
{
ch = &screen_buffer->data[(y + 1) * screen_buffer->width - trailing_spaces - 1];
if (ch->ch != ' ' || ch->attr != 7) break;
}
if (trailing_spaces < 4) trailing_spaces = 0;
for (x = rect->left; x <= rect->right; x++)
{
ch = &screen_buffer->data[y * screen_buffer->width + x];
set_tty_attr( screen_buffer->console, ch->attr );
set_tty_cursor( screen_buffer->console, x, y );
if (x + trailing_spaces >= screen_buffer->width)
{
tty_write( screen_buffer->console, "\x1b[K", 3 );
break;
}
size = WideCharToMultiByte( get_tty_cp( screen_buffer->console ), 0,
&ch->ch, 1, buf, sizeof(buf), NULL, NULL );
tty_write( screen_buffer->console, buf, size );
screen_buffer->console->tty_cursor_x++;
}
}
empty_update_rect( screen_buffer, rect );
}
static void new_line( struct screen_buffer *screen_buffer, RECT *update_rect )
{
unsigned int i;
assert( screen_buffer->cursor_y >= screen_buffer->height );
screen_buffer->cursor_y = screen_buffer->height - 1;
if (screen_buffer->console->tty_output)
update_output( screen_buffer, update_rect );
else
SetRect( update_rect, 0, 0, screen_buffer->width - 1, screen_buffer->height - 1 );
memmove( screen_buffer->data, screen_buffer->data + screen_buffer->width,
screen_buffer->width * (screen_buffer->height - 1) * sizeof(*screen_buffer->data) );
for (i = 0; i < screen_buffer->width; i++)
screen_buffer->data[screen_buffer->width * (screen_buffer->height - 1) + i] = empty_char_info;
if (is_active( screen_buffer ))
{
screen_buffer->console->tty_cursor_y--;
if (screen_buffer->console->tty_cursor_y != screen_buffer->height - 2)
set_tty_cursor( screen_buffer->console, 0, screen_buffer->height - 2 );
set_tty_cursor( screen_buffer->console, 0, screen_buffer->height - 1 );
}
}
static void write_char( struct screen_buffer *screen_buffer, WCHAR ch, RECT *update_rect, unsigned int *home_y )
{
if (screen_buffer->cursor_x == screen_buffer->width)
{
screen_buffer->cursor_x = 0;
screen_buffer->cursor_y++;
}
if (screen_buffer->cursor_y == screen_buffer->height)
{
if (home_y)
{
if (!*home_y) return;
(*home_y)--;
}
new_line( screen_buffer, update_rect );
}
screen_buffer->data[screen_buffer->cursor_y * screen_buffer->width + screen_buffer->cursor_x].ch = ch;
screen_buffer->data[screen_buffer->cursor_y * screen_buffer->width + screen_buffer->cursor_x].attr = screen_buffer->attr;
update_rect->left = min( update_rect->left, screen_buffer->cursor_x );
update_rect->top = min( update_rect->top, screen_buffer->cursor_y );
update_rect->right = max( update_rect->right, screen_buffer->cursor_x );
update_rect->bottom = max( update_rect->bottom, screen_buffer->cursor_y );
screen_buffer->cursor_x++;
}
static NTSTATUS read_complete( struct console *console, NTSTATUS status, const void *buf, size_t size, int signal )
{
SERVER_START_REQ( get_next_console_request )
{
req->handle = wine_server_obj_handle( console->server );
req->signal = signal;
req->read = 1;
req->status = status;
wine_server_add_data( req, buf, size );
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status && (console->read_ioctl || status != STATUS_INVALID_HANDLE)) ERR( "failed: %#x\n", status );
console->signaled = signal;
console->read_ioctl = 0;
console->pending_read = 0;
return status;
}
static NTSTATUS read_console_input( struct console *console, size_t out_size )
{
size_t count = min( out_size / sizeof(INPUT_RECORD), console->record_count );
TRACE("count %u\n", count);
read_complete( console, STATUS_SUCCESS, console->records, count * sizeof(*console->records),
console->record_count > count );
if (count < console->record_count)
memmove( console->records, console->records + count,
(console->record_count - count) * sizeof(*console->records) );
console->record_count -= count;
return STATUS_SUCCESS;
}
static void read_from_buffer( struct console *console, size_t out_size )
{
size_t len, read_len = 0;
char *buf = NULL;
switch( console->read_ioctl )
{
case IOCTL_CONDRV_READ_CONSOLE:
out_size = min( out_size, console->read_buffer_count * sizeof(WCHAR) );
read_complete( console, STATUS_SUCCESS, console->read_buffer, out_size, console->record_count != 0 );
read_len = out_size / sizeof(WCHAR);
break;
case IOCTL_CONDRV_READ_FILE:
read_len = len = 0;
while (read_len < console->read_buffer_count && len < out_size)
{
len += WideCharToMultiByte( console->input_cp, 0, console->read_buffer + read_len, 1, NULL, 0, NULL, NULL );
read_len++;
}
if (len)
{
if (!(buf = malloc( len )))
{
read_complete( console, STATUS_NO_MEMORY, NULL, 0, console->record_count != 0 );
return;
}
WideCharToMultiByte( console->input_cp, 0, console->read_buffer, read_len, buf, len, NULL, NULL );
}
len = min( out_size, len );
read_complete( console, STATUS_SUCCESS, buf, len, console->record_count != 0 );
free( buf );
break;
}
if (read_len < console->read_buffer_count)
{
memmove( console->read_buffer, console->read_buffer + read_len,
(console->read_buffer_count - read_len) * sizeof(WCHAR) );
}
if (!(console->read_buffer_count -= read_len))
free( console->read_buffer );
}
static void append_input_history( struct console *console, const WCHAR *str, size_t len )
{
struct history_line *ptr;
if (!console->history_size) return;
/* don't duplicate entry */
if (console->history_mode && console->history_index &&
console->history[console->history_index - 1]->len == len &&
!memcmp( console->history[console->history_index - 1]->text, str, len ))
return;
if (!(ptr = malloc( offsetof( struct history_line, text[len / sizeof(WCHAR)] )))) return;
ptr->len = len;
memcpy( ptr->text, str, len );
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(*console->history) );
console->history[console->history_size - 1] = ptr;
}
}
static void edit_line_update( struct console *console, unsigned int begin, unsigned int length )
{
struct edit_line *ctx = &console->edit_line;
if (!length) return;
ctx->update_begin = min( ctx->update_begin, begin );
ctx->update_end = max( ctx->update_end, begin + length - 1 );
}
static BOOL edit_line_grow( struct console *console, size_t length )
{
struct edit_line *ctx = &console->edit_line;
WCHAR *new_buf;
size_t new_size;
if (ctx->len + length < ctx->size) return TRUE;
/* round up size to 32 byte-WCHAR boundary */
new_size = (ctx->len + length + 32) & ~31;
if (!(new_buf = realloc( ctx->buf, sizeof(WCHAR) * new_size )))
{
ctx->status = STATUS_NO_MEMORY;
return FALSE;
}
ctx->buf = new_buf;
ctx->size = new_size;
return TRUE;
}
static void edit_line_delete( struct console *console, int begin, int end )
{
struct edit_line *ctx = &console->edit_line;
unsigned int len = end - begin;
edit_line_update( console, begin, ctx->len - begin );
if (end < ctx->len)
memmove( &ctx->buf[begin], &ctx->buf[end], (ctx->len - end) * sizeof(WCHAR));
ctx->len -= len;
edit_line_update( console, 0, ctx->len );
ctx->buf[ctx->len] = 0;
}
static void edit_line_insert( struct console *console, const WCHAR *str, unsigned int len )
{
struct edit_line *ctx = &console->edit_line;
unsigned int update_len;
if (!len) return;
if (ctx->insert_mode)
{
if (!edit_line_grow( console, len )) return;
if (ctx->len > ctx->cursor)
memmove( &ctx->buf[ctx->cursor + len], &ctx->buf[ctx->cursor],
(ctx->len - ctx->cursor) * sizeof(WCHAR) );
ctx->len += len;
update_len = ctx->len - ctx->cursor;
}
else
{
if (ctx->cursor + len > ctx->len)
{
if (!edit_line_grow( console, (ctx->cursor + len) - ctx->len) )
return;
ctx->len = ctx->cursor + len;
}
update_len = len;
}
memcpy( &ctx->buf[ctx->cursor], str, len * sizeof(WCHAR) );
ctx->buf[ctx->len] = 0;
edit_line_update( console, ctx->cursor, update_len );
ctx->cursor += len;
}
static void edit_line_save_yank( struct console *console, unsigned int begin, unsigned int end )
{
struct edit_line *ctx = &console->edit_line;
unsigned int len = end - begin;
if (len <= 0) return;
free(ctx->yanked);
ctx->yanked = malloc( (len + 1) * sizeof(WCHAR) );
if (!ctx->yanked)
{
ctx->status = STATUS_NO_MEMORY;
return;
}
memcpy( ctx->yanked, &ctx->buf[begin], len * sizeof(WCHAR) );
ctx->yanked[len] = 0;
}
static int edit_line_left_word_transition( struct console *console, int offset )
{
offset--;
while (offset >= 0 && !iswalnum( console->edit_line.buf[offset] )) offset--;
while (offset >= 0 && iswalnum( console->edit_line.buf[offset] )) offset--;
if (offset >= 0) offset++;
return max( offset, 0 );
}
static int edit_line_right_word_transition( struct console *console, int offset )
{
offset++;
while (offset <= console->edit_line.len && iswalnum( console->edit_line.buf[offset] ))
offset++;
while (offset <= console->edit_line.len && !iswalnum( console->edit_line.buf[offset] ))
offset++;
return min(offset, console->edit_line.len);
}
static WCHAR *edit_line_history( struct console *console, unsigned int index )
{
WCHAR *ptr = NULL;
if (index < console->history_index)
{
if ((ptr = malloc( console->history[index]->len + sizeof(WCHAR) )))
{
memcpy( ptr, console->history[index]->text, console->history[index]->len );
ptr[console->history[index]->len / sizeof(WCHAR)] = 0;
}
}
else if(console->edit_line.current_history)
{
if ((ptr = malloc( (lstrlenW(console->edit_line.current_history) + 1) * sizeof(WCHAR) )))
lstrcpyW( ptr, console->edit_line.current_history );
}
return ptr;
}
static void edit_line_move_to_history( struct console *console, int index )
{
struct edit_line *ctx = &console->edit_line;
WCHAR *line = edit_line_history(console, index);
size_t len = line ? lstrlenW(line) : 0;
/* save current line edition for recall when needed */
if (ctx->history_index == console->history_index)
{
free( ctx->current_history );
ctx->current_history = malloc( (ctx->len + 1) * sizeof(WCHAR) );
if (ctx->current_history)
{
memcpy( ctx->current_history, ctx->buf, (ctx->len + 1) * sizeof(WCHAR) );
}
else
{
ctx->status = STATUS_NO_MEMORY;
return;
}
}
/* need to clean also the screen if new string is shorter than old one */
edit_line_delete(console, 0, ctx->len);
ctx->cursor = 0;
/* insert new string */
if (edit_line_grow(console, len + 1))
{
edit_line_insert( console, line, len );
ctx->history_index = index;
}
free(line);
}
static void edit_line_find_in_history( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
int start_pos = ctx->history_index;
unsigned int len, oldoffset;
WCHAR *line;
if (ctx->history_index && ctx->history_index == console->history_index)
{
start_pos--;
ctx->history_index--;
}
do
{
line = edit_line_history(console, ctx->history_index);
if (ctx->history_index) ctx->history_index--;
else ctx->history_index = console->history_index;
len = lstrlenW(line) + 1;
if (len >= ctx->cursor && !memcmp( ctx->buf, line, ctx->cursor * sizeof(WCHAR) ))
{
/* need to clean also the screen if new string is shorter than old one */
edit_line_delete(console, 0, ctx->len);
if (edit_line_grow(console, len))
{
oldoffset = ctx->cursor;
ctx->cursor = 0;
edit_line_insert( console, line, len - 1 );
ctx->cursor = oldoffset;
free(line);
return;
}
}
free(line);
}
while (ctx->history_index != start_pos);
}
static void edit_line_move_left( struct console *console )
{
if (console->edit_line.cursor > 0) console->edit_line.cursor--;
}
static void edit_line_move_right( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
if (ctx->cursor < ctx->len) ctx->cursor++;
}
static void edit_line_move_left_word( struct console *console )
{
console->edit_line.cursor = edit_line_left_word_transition( console, console->edit_line.cursor );
}
static void edit_line_move_right_word( struct console *console )
{
console->edit_line.cursor = edit_line_right_word_transition( console, console->edit_line.cursor );
}
static void edit_line_move_home( struct console *console )
{
console->edit_line.cursor = 0;
}
static void edit_line_move_end( struct console *console )
{
console->edit_line.cursor = console->edit_line.len;
}
static void edit_line_set_mark( struct console *console )
{
console->edit_line.mark = console->edit_line.cursor;
}
static void edit_line_exchange_mark( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int cursor;
if (ctx->mark > ctx->len) return;
cursor = ctx->cursor;
ctx->cursor = ctx->mark;
ctx->mark = cursor;
}
static void edit_line_copy_marked_zone( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int begin, end;
if (ctx->mark > ctx->len || ctx->mark == ctx->cursor) return;
if (ctx->mark > ctx->cursor)
{
begin = ctx->cursor;
end = ctx->mark;
}
else
{
begin = ctx->mark;
end = ctx->cursor;
}
edit_line_save_yank( console, begin, end );
}
static void edit_line_transpose_char( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
WCHAR c;
if (!ctx->cursor || ctx->cursor == ctx->len) return;
c = ctx->buf[ctx->cursor];
ctx->buf[ctx->cursor] = ctx->buf[ctx->cursor - 1];
ctx->buf[ctx->cursor - 1] = c;
edit_line_update( console, ctx->cursor - 1, 2 );
ctx->cursor++;
}
static void edit_line_transpose_words( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int left_offset = edit_line_left_word_transition( console, ctx->cursor );
unsigned int right_offset = edit_line_right_word_transition( console, ctx->cursor );
if (left_offset < ctx->cursor && right_offset > ctx->cursor)
{
unsigned int len_r = right_offset - ctx->cursor;
unsigned int len_l = ctx->cursor - left_offset;
char *tmp = malloc( len_r * sizeof(WCHAR) );
if (!tmp)
{
ctx->status = STATUS_NO_MEMORY;
return;
}
memcpy( tmp, &ctx->buf[ctx->cursor], len_r * sizeof(WCHAR) );
memmove( &ctx->buf[left_offset + len_r], &ctx->buf[left_offset],
len_l * sizeof(WCHAR) );
memcpy( &ctx->buf[left_offset], tmp, len_r * sizeof(WCHAR) );
free(tmp);
edit_line_update( console, left_offset, len_l + len_r );
ctx->cursor = right_offset;
}
}
static void edit_line_lower_case_word( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int new_offset = edit_line_right_word_transition( console, ctx->cursor );
if (new_offset != ctx->cursor)
{
CharLowerBuffW( ctx->buf + ctx->cursor, new_offset - ctx->cursor + 1 );
edit_line_update( console, ctx->cursor, new_offset - ctx->cursor + 1 );
ctx->cursor = new_offset;
}
}
static void edit_line_upper_case_word( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int new_offset = edit_line_right_word_transition( console, ctx->cursor );
if (new_offset != ctx->cursor)
{
CharUpperBuffW( ctx->buf + ctx->cursor, new_offset - ctx->cursor + 1 );
edit_line_update( console, ctx->cursor, new_offset - ctx->cursor + 1 );
ctx->cursor = new_offset;
}
}
static void edit_line_capitalize_word( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int new_offset = edit_line_right_word_transition( console, ctx->cursor );
if (new_offset != ctx->cursor)
{
CharUpperBuffW( ctx->buf + ctx->cursor, 1 );
CharLowerBuffW( ctx->buf + ctx->cursor + 1, new_offset - ctx->cursor );
edit_line_update( console, ctx->cursor, new_offset - ctx->cursor + 1 );
ctx->cursor = new_offset;
}
}
static void edit_line_yank( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
if (ctx->yanked) edit_line_insert( console, ctx->yanked, wcslen(ctx->yanked) );
}
static void edit_line_kill_suffix( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
edit_line_save_yank( console, ctx->cursor, ctx->len );
edit_line_delete( console, ctx->cursor, ctx->len );
}
static void edit_line_kill_prefix( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
if (ctx->cursor)
{
edit_line_save_yank( console, 0, ctx->cursor );
edit_line_delete( console, 0, ctx->cursor );
ctx->cursor = 0;
}
}
static void edit_line_kill_marked_zone( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int begin, end;
if (ctx->mark > ctx->len || ctx->mark == ctx->cursor)
return;
if (ctx->mark > ctx->cursor)
{
begin = ctx->cursor;
end = ctx->mark;
}
else
{
begin = ctx->mark;
end = ctx->cursor;
}
edit_line_save_yank( console, begin, end );
edit_line_delete( console, begin, end );
ctx->cursor = begin;
}
static void edit_line_delete_prev( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
if (ctx->cursor)
{
edit_line_delete( console, ctx->cursor - 1, ctx->cursor );
ctx->cursor--;
}
}
static void edit_line_delete_char( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
if (ctx->cursor < ctx->len)
edit_line_delete( console, ctx->cursor, ctx->cursor + 1 );
}
static void edit_line_delete_left_word( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int new_offset = edit_line_left_word_transition( console, ctx->cursor );
if (new_offset != ctx->cursor)
{
edit_line_delete( console, new_offset, ctx->cursor );
ctx->cursor = new_offset;
}
}
static void edit_line_delete_right_word( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int new_offset = edit_line_right_word_transition( console, ctx->cursor );
if (new_offset != ctx->cursor)
{
edit_line_delete( console, ctx->cursor, new_offset );
}
}
static void edit_line_move_to_prev_hist( struct console *console )
{
if (console->edit_line.history_index)
edit_line_move_to_history( console, console->edit_line.history_index - 1 );
}
static void edit_line_move_to_next_hist( struct console *console )
{
if (console->edit_line.history_index < console->history_index)
edit_line_move_to_history( console, console->edit_line.history_index + 1 );
}
static void edit_line_move_to_first_hist( struct console *console )
{
if (console->edit_line.history_index)
edit_line_move_to_history( console, 0 );
}
static void edit_line_move_to_last_hist( struct console *console )
{
if (console->edit_line.history_index != console->history_index)
edit_line_move_to_history( console, console->history_index );
}
static void edit_line_redraw( struct console *console )
{
if (console->mode & ENABLE_ECHO_INPUT)
edit_line_update( console, 0, console->edit_line.len );
}
static void edit_line_toggle_insert( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
ctx->insert_key = !ctx->insert_key;
console->active->cursor_size = ctx->insert_key ? 100 : 25;
}
static void edit_line_done( struct console *console )
{
console->edit_line.status = STATUS_SUCCESS;
}
struct edit_line_key_entry
{
WCHAR val; /* vk or unicode char */
void (*func)( struct console *console );
};
struct edit_line_key_map
{
DWORD key_state; /* keyState (from INPUT_RECORD) to match */
BOOL is_char; /* check vk or char */
const struct edit_line_key_entry *entries;
};
#define CTRL(x) ((x) - '@')
static const struct edit_line_key_entry std_key_map[] =
{
{ VK_BACK, edit_line_delete_prev },
{ VK_RETURN, edit_line_done },
{ VK_DELETE, edit_line_delete_char },
{ 0 }
};
static const struct edit_line_key_entry emacs_key_map_ctrl[] =
{
{ CTRL('@'), edit_line_set_mark },
{ CTRL('A'), edit_line_move_home },
{ CTRL('B'), edit_line_move_left },
{ CTRL('D'), edit_line_delete_char },
{ CTRL('E'), edit_line_move_end },
{ CTRL('F'), edit_line_move_right },
{ CTRL('H'), edit_line_delete_prev },
{ CTRL('J'), edit_line_done },
{ CTRL('K'), edit_line_kill_suffix },
{ CTRL('L'), edit_line_redraw },
{ CTRL('M'), edit_line_done },
{ CTRL('N'), edit_line_move_to_next_hist },
{ CTRL('P'), edit_line_move_to_prev_hist },
{ CTRL('T'), edit_line_transpose_char },
{ CTRL('W'), edit_line_kill_marked_zone },
{ CTRL('X'), edit_line_exchange_mark },
{ CTRL('Y'), edit_line_yank },
{ 0 }
};
static const struct edit_line_key_entry emacs_key_map_alt[] =
{
{ 0x7f, edit_line_delete_left_word },
{ '<', edit_line_move_to_first_hist },
{ '>', edit_line_move_to_last_hist },
{ 'b', edit_line_move_left_word },
{ 'c', edit_line_capitalize_word },
{ 'd', edit_line_delete_right_word },
{ 'f', edit_line_move_right_word },
{ 'l', edit_line_lower_case_word },
{ 't', edit_line_transpose_words },
{ 'u', edit_line_upper_case_word },
{ 'w', edit_line_copy_marked_zone },
{ 0 }
};
static const struct edit_line_key_entry emacs_std_key_map[] =
{
{ VK_PRIOR, edit_line_move_to_prev_hist },
{ VK_NEXT, edit_line_move_to_next_hist },
{ VK_END, edit_line_move_end },
{ VK_HOME, edit_line_move_home },
{ VK_RIGHT, edit_line_move_right },
{ VK_LEFT, edit_line_move_left },
{ VK_INSERT, edit_line_toggle_insert },
{ 0 }
};
static const struct edit_line_key_map emacs_key_map[] =
{
{ 0, 0, std_key_map },
{ 0, 0, emacs_std_key_map },
{ RIGHT_ALT_PRESSED, 1, emacs_key_map_alt },
{ LEFT_ALT_PRESSED, 1, emacs_key_map_alt },
{ RIGHT_CTRL_PRESSED, 1, emacs_key_map_ctrl },
{ LEFT_CTRL_PRESSED, 1, emacs_key_map_ctrl },
{ 0 }
};
static const struct edit_line_key_entry win32_std_key_map[] =
{
{ VK_LEFT, edit_line_move_left },
{ VK_RIGHT, edit_line_move_right },
{ VK_HOME, edit_line_move_home },
{ VK_END, edit_line_move_end },
{ VK_UP, edit_line_move_to_prev_hist },
{ VK_DOWN, edit_line_move_to_next_hist },
{ VK_INSERT, edit_line_toggle_insert },
{ VK_F8, edit_line_find_in_history },
{ 0 }
};
static const struct edit_line_key_entry win32_key_map_ctrl[] =
{
{ VK_LEFT, edit_line_move_left_word },
{ VK_RIGHT, edit_line_move_right_word },
{ VK_END, edit_line_kill_suffix },
{ VK_HOME, edit_line_kill_prefix },
{ 0 }
};
static const struct edit_line_key_map win32_key_map[] =
{
{ 0, 0, std_key_map },
{ SHIFT_PRESSED, 0, std_key_map },
{ 0, 0, win32_std_key_map },
{ RIGHT_CTRL_PRESSED, 0, win32_key_map_ctrl },
{ LEFT_CTRL_PRESSED, 0, win32_key_map_ctrl },
{ 0 }
};
#undef CTRL
static unsigned int edit_line_string_width( const WCHAR *str, unsigned int len)
{
unsigned int i, offset = 0;
for (i = 0; i < len; i++) offset += str[i] < ' ' ? 2 : 1;
return offset;
}
static void update_read_output( struct console *console )
{
struct screen_buffer *screen_buffer = console->active;
struct edit_line *ctx = &console->edit_line;
int offset = 0, j, end_offset;
RECT update_rect;
empty_update_rect( screen_buffer, &update_rect );
if (ctx->update_end >= ctx->update_begin)
{
TRACE( "update %d-%d %s\n", ctx->update_begin, ctx->update_end,
debugstr_wn( ctx->buf + ctx->update_begin, ctx->update_end - ctx->update_begin + 1 ));
hide_tty_cursor( screen_buffer->console );
offset = edit_line_string_width( ctx->buf, ctx->update_begin );
screen_buffer->cursor_x = (ctx->home_x + offset) % screen_buffer->width;
screen_buffer->cursor_y = ctx->home_y + (ctx->home_x + offset) / screen_buffer->width;
for (j = ctx->update_begin; j <= ctx->update_end; j++)
{
if (screen_buffer->cursor_y >= screen_buffer->height && !ctx->home_y) break;
if (j >= ctx->len) break;
if (ctx->buf[j] < ' ')
{
write_char( screen_buffer, '^', &update_rect, &ctx->home_y );
write_char( screen_buffer, '@' + ctx->buf[j], &update_rect, &ctx->home_y );
offset += 2;
}
else
{
write_char( screen_buffer, ctx->buf[j], &update_rect, &ctx->home_y );
offset++;
}
}
end_offset = ctx->end_offset;
ctx->end_offset = offset;
if (j >= ctx->len)
{
/* clear trailing characters if buffer was shortened */
while (offset < end_offset && screen_buffer->cursor_y < screen_buffer->height)
{
write_char( screen_buffer, ' ', &update_rect, &ctx->home_y );
offset++;
}
}
}
if (!ctx->status)
{
offset = edit_line_string_width( ctx->buf, ctx->len );
screen_buffer->cursor_x = 0;
screen_buffer->cursor_y = ctx->home_y + (ctx->home_x + offset) / screen_buffer->width;
if (++screen_buffer->cursor_y >= screen_buffer->height)
new_line( screen_buffer, &update_rect );
}
else
{
offset = edit_line_string_width( ctx->buf, ctx->cursor );
screen_buffer->cursor_y = ctx->home_y + (ctx->home_x + offset) / screen_buffer->width;
if (screen_buffer->cursor_y < screen_buffer->height)
{
screen_buffer->cursor_x = (ctx->home_x + offset) % screen_buffer->width;
}
else
{
screen_buffer->cursor_x = screen_buffer->width - 1;
screen_buffer->cursor_y = screen_buffer->height - 1;
}
}
/* always try to use relative cursor positions in UNIX mode so that it works even if cursor
* position is out of sync */
if (update_rect.left <= update_rect.right && update_rect.top <= update_rect.bottom)
{
if (console->is_unix)
set_tty_cursor_relative( screen_buffer->console, update_rect.left, update_rect.top );
update_output( screen_buffer, &update_rect );
scroll_to_cursor( screen_buffer );
}
if (console->is_unix)
set_tty_cursor_relative( screen_buffer->console, screen_buffer->cursor_x, screen_buffer->cursor_y );
tty_sync( screen_buffer->console );
update_window_config( screen_buffer->console );
}
static NTSTATUS process_console_input( struct console *console )
{
struct edit_line *ctx = &console->edit_line;
unsigned int i;
switch (console->read_ioctl)
{
case IOCTL_CONDRV_READ_INPUT:
if (console->record_count) read_console_input( console, console->pending_read );
return STATUS_SUCCESS;
case IOCTL_CONDRV_READ_CONSOLE:
case IOCTL_CONDRV_READ_FILE:
break;
default:
assert( !console->read_ioctl );
if (console->record_count && !console->signaled)
read_complete( console, STATUS_PENDING, NULL, 0, TRUE ); /* signal server */
return STATUS_SUCCESS;
}
ctx->update_begin = ctx->len + 1;
ctx->update_end = 0;
for (i = 0; i < console->record_count && ctx->status == STATUS_PENDING; i++)
{
void (*func)( struct console *console ) = NULL;
INPUT_RECORD ir = console->records[i];
if (ir.EventType != KEY_EVENT || !ir.Event.KeyEvent.bKeyDown) continue;
TRACE( "key code=%02x scan=%02x char=%02x state=%08x\n",
ir.Event.KeyEvent.wVirtualKeyCode, ir.Event.KeyEvent.wVirtualScanCode,
ir.Event.KeyEvent.uChar.UnicodeChar, ir.Event.KeyEvent.dwControlKeyState );
if (console->mode & ENABLE_LINE_INPUT)
{
const struct edit_line_key_entry *entry;
const struct edit_line_key_map *map;
unsigned int state;
/* mask out some bits which don't interest us */
state = ir.Event.KeyEvent.dwControlKeyState & ~(NUMLOCK_ON|SCROLLLOCK_ON|CAPSLOCK_ON|ENHANCED_KEY);
func = NULL;
for (map = console->edition_mode ? emacs_key_map : win32_key_map; map->entries != NULL; map++)
{
if (map->key_state != state)
continue;
if (map->is_char)
{
for (entry = &map->entries[0]; entry->func != 0; entry++)
if (entry->val == ir.Event.KeyEvent.uChar.UnicodeChar) break;
}
else
{
for (entry = &map->entries[0]; entry->func != 0; entry++)
if (entry->val == ir.Event.KeyEvent.wVirtualKeyCode) break;
}
if (entry->func)
{
func = entry->func;
break;
}
}
}
ctx->insert_mode = ((console->mode & (ENABLE_INSERT_MODE | ENABLE_EXTENDED_FLAGS)) ==
(ENABLE_INSERT_MODE | ENABLE_EXTENDED_FLAGS))
^ ctx->insert_key;
if (func) func( console );
else if (ir.Event.KeyEvent.uChar.UnicodeChar)
edit_line_insert( console, &ir.Event.KeyEvent.uChar.UnicodeChar, 1 );
if (!(console->mode & ENABLE_LINE_INPUT) && ctx->status == STATUS_PENDING)
{
if (console->read_ioctl == IOCTL_CONDRV_READ_FILE)
{
if (WideCharToMultiByte(console->input_cp, 0, ctx->buf, ctx->len, NULL, 0, NULL, NULL)
>= console->pending_read)
ctx->status = STATUS_SUCCESS;
}
else if (ctx->len >= console->pending_read / sizeof(WCHAR))
ctx->status = STATUS_SUCCESS;
}
}
if (console->record_count > i) memmove( console->records, console->records + i,
(console->record_count - i) * sizeof(*console->records) );
console->record_count -= i;
if (ctx->status == STATUS_PENDING && !(console->mode & ENABLE_LINE_INPUT) && ctx->len)
ctx->status = STATUS_SUCCESS;
if (console->mode & ENABLE_ECHO_INPUT) update_read_output( console );
if (ctx->status == STATUS_PENDING) return STATUS_SUCCESS;
if (!ctx->status && (console->mode & ENABLE_LINE_INPUT))
{
if (ctx->len) append_input_history( console, ctx->buf, ctx->len * sizeof(WCHAR) );
if (edit_line_grow(console, 2))
{
ctx->buf[ctx->len++] = '\r';
ctx->buf[ctx->len++] = '\n';
ctx->buf[ctx->len] = 0;
TRACE( "return %s\n", debugstr_wn( ctx->buf, ctx->len ));
}
}
console->read_buffer = ctx->buf;
console->read_buffer_count = ctx->len;
console->read_buffer_size = ctx->size;
if (ctx->status) read_complete( console, ctx->status, NULL, 0, console->record_count );
else read_from_buffer( console, console->pending_read );
/* reset context */
free( ctx->yanked );
free( ctx->current_history );
memset( &console->edit_line, 0, sizeof(console->edit_line) );
return STATUS_SUCCESS;
}
static NTSTATUS read_console( struct console *console, unsigned int ioctl, size_t out_size )
{
TRACE("\n");
if (out_size > INT_MAX)
{
read_complete( console, STATUS_NO_MEMORY, NULL, 0, console->record_count );
return STATUS_NO_MEMORY;
}
console->read_ioctl = ioctl;
if (!out_size || console->read_buffer_count)
{
read_from_buffer( console, out_size );
return STATUS_SUCCESS;
}
console->edit_line.history_index = console->history_index;
console->edit_line.home_x = console->active->cursor_x;
console->edit_line.home_y = console->active->cursor_y;
console->edit_line.status = STATUS_PENDING;
if (edit_line_grow( console, 1 )) console->edit_line.buf[0] = 0;
console->pending_read = out_size;
return process_console_input( console );
}
/* add input events to a console input queue */
NTSTATUS write_console_input( struct console *console, const INPUT_RECORD *records,
unsigned int count, BOOL flush )
{
TRACE( "%u\n", count );
if (!count) return STATUS_SUCCESS;
if (console->record_count + count > console->record_size)
{
INPUT_RECORD *new_rec;
if (!(new_rec = realloc( console->records, (console->record_size * 2 + count) * sizeof(INPUT_RECORD) )))
return STATUS_NO_MEMORY;
console->records = new_rec;
console->record_size = console->record_size * 2 + count;
}
memcpy( console->records + console->record_count, records, count * sizeof(INPUT_RECORD) );
if (console->mode & ENABLE_PROCESSED_INPUT)
{
unsigned int i = 0;
while (i < count)
{
if (records[i].EventType == KEY_EVENT &&
records[i].Event.KeyEvent.uChar.UnicodeChar == 'C' - 64 &&
!(records[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
{
if (i != count - 1)
memcpy( &console->records[console->record_count + i],
&console->records[console->record_count + i + 1],
(count - i - 1) * sizeof(INPUT_RECORD) );
count--;
if (records[i].Event.KeyEvent.bKeyDown)
{
struct condrv_ctrl_event ctrl_event;
IO_STATUS_BLOCK io;
ctrl_event.event = CTRL_C_EVENT;
ctrl_event.group_id = 0;
NtDeviceIoControlFile( console->server, NULL, NULL, NULL, &io, IOCTL_CONDRV_CTRL_EVENT,
&ctrl_event, sizeof(ctrl_event), NULL, 0 );
}
}
else i++;
}
}
console->record_count += count;
return flush ? process_console_input( console ) : STATUS_SUCCESS;
}
static void set_key_input_record( INPUT_RECORD *record, WCHAR ch, unsigned int vk, BOOL is_down, unsigned int ctrl_state )
{
record->EventType = KEY_EVENT;
record->Event.KeyEvent.bKeyDown = is_down;
record->Event.KeyEvent.wRepeatCount = 1;
record->Event.KeyEvent.uChar.UnicodeChar = ch;
record->Event.KeyEvent.wVirtualKeyCode = vk;
record->Event.KeyEvent.wVirtualScanCode = MapVirtualKeyW( vk, MAPVK_VK_TO_VSC );
record->Event.KeyEvent.dwControlKeyState = ctrl_state;
}
static NTSTATUS key_press( struct console *console, WCHAR ch, unsigned int vk, unsigned int ctrl_state )
{
INPUT_RECORD records[8];
unsigned int count = 0, ctrl = 0;
if (ctrl_state & SHIFT_PRESSED)
{
ctrl |= SHIFT_PRESSED;
set_key_input_record( &records[count++], 0, VK_SHIFT, TRUE, ctrl );
}
if (ctrl_state & LEFT_ALT_PRESSED)
{
ctrl |= LEFT_ALT_PRESSED;
set_key_input_record( &records[count++], 0, VK_MENU, TRUE, ctrl );
}
if (ctrl_state & LEFT_CTRL_PRESSED)
{
ctrl |= LEFT_CTRL_PRESSED;
set_key_input_record( &records[count++], 0, VK_CONTROL, TRUE, ctrl );
}
set_key_input_record( &records[count++], ch, vk, TRUE, ctrl );
set_key_input_record( &records[count++], ch, vk, FALSE, ctrl );
if (ctrl & LEFT_CTRL_PRESSED)
{
ctrl &= ~LEFT_CTRL_PRESSED;
set_key_input_record( &records[count++], 0, VK_CONTROL, FALSE, ctrl );
}
if (ctrl & LEFT_ALT_PRESSED)
{
ctrl &= ~LEFT_ALT_PRESSED;
set_key_input_record( &records[count++], 0, VK_MENU, FALSE, ctrl );
}
if (ctrl & SHIFT_PRESSED)
{
ctrl &= ~SHIFT_PRESSED;
set_key_input_record( &records[count++], 0, VK_SHIFT, FALSE, ctrl );
}
return write_console_input( console, records, count, FALSE );
}
static void char_key_press( struct console *console, WCHAR ch, unsigned int ctrl )
{
unsigned int vk = VkKeyScanW( ch );
if (vk == ~0) vk = 0;
if (vk & 0x0100) ctrl |= SHIFT_PRESSED;
if (vk & 0x0200) ctrl |= LEFT_CTRL_PRESSED;
if (vk & 0x0400) ctrl |= LEFT_ALT_PRESSED;
vk &= 0xff;
key_press( console, ch, vk, ctrl );
}
static unsigned int escape_char_to_vk( WCHAR ch )
{
switch (ch)
{
case 'A': return VK_UP;
case 'B': return VK_DOWN;
case 'C': return VK_RIGHT;
case 'D': return VK_LEFT;
case 'H': return VK_HOME;
case 'F': return VK_END;
case 'P': return VK_F1;
case 'Q': return VK_F2;
case 'R': return VK_F3;
case 'S': return VK_F4;
default: return 0;
}
}
static unsigned int escape_number_to_vk( unsigned int n )
{
switch(n)
{
case 2: return VK_INSERT;
case 3: return VK_DELETE;
case 5: return VK_PRIOR;
case 6: return VK_NEXT;
case 15: return VK_F5;
case 17: return VK_F6;
case 18: return VK_F7;
case 19: return VK_F8;
case 20: return VK_F9;
case 21: return VK_F10;
case 23: return VK_F11;
case 24: return VK_F12;
default: return 0;
}
}
static unsigned int convert_modifiers( unsigned int n )
{
unsigned int ctrl = 0;
if (!n || n > 16) return 0;
n--;
if (n & 1) ctrl |= SHIFT_PRESSED;
if (n & 2) ctrl |= LEFT_ALT_PRESSED;
if (n & 4) ctrl |= LEFT_CTRL_PRESSED;
return ctrl;
}
static unsigned int process_csi_sequence( struct console *console, const WCHAR *buf, size_t size )
{
unsigned int n, count = 0, params[8], params_cnt = 0, vk;
for (;;)
{
n = 0;
while (count < size && '0' <= buf[count] && buf[count] <= '9')
n = n * 10 + buf[count++] - '0';
if (params_cnt < ARRAY_SIZE(params)) params[params_cnt++] = n;
else FIXME( "too many params, skipping %u\n", n );
if (count == size) return 0;
if (buf[count] != ';') break;
if (++count == size) return 0;
}
if ((vk = escape_char_to_vk( buf[count] )))
{
key_press( console, 0, vk, params_cnt >= 2 ? convert_modifiers( params[1] ) : 0 );
return count + 1;
}
switch (buf[count])
{
case '~':
vk = escape_number_to_vk( params[0] );
key_press( console, 0, vk, params_cnt == 2 ? convert_modifiers( params[1] ) : 0 );
return count + 1;
default:
FIXME( "unhandled sequence %s\n", debugstr_wn( buf, size ));
return 0;
}
}
static unsigned int process_input_escape( struct console *console, const WCHAR *buf, size_t size )
{
unsigned int vk = 0, count = 0, nlen;
if (!size)
{
key_press( console, 0, VK_ESCAPE, 0 );
return 0;
}
switch(buf[0])
{
case '[':
if (++count == size) break;
if ((nlen = process_csi_sequence( console, buf + 1, size - 1 ))) return count + nlen;
break;
case 'O':
if (++count == size) break;
vk = escape_char_to_vk( buf[1] );
if (vk)
{
key_press( console, 0, vk, 0 );
return count + 1;
}
}
char_key_press( console, buf[0], LEFT_ALT_PRESSED );
return 1;
}
static DWORD WINAPI tty_input( void *param )
{
struct console *console = param;
IO_STATUS_BLOCK io;
HANDLE event;
char read_buf[4096];
WCHAR buf[4096];
DWORD count, i;
BOOL signaled;
NTSTATUS status;
if (console->is_unix)
{
unsigned int h = condrv_handle( console->tty_input );
status = NtDeviceIoControlFile( console->server, NULL, NULL, NULL, &io, IOCTL_CONDRV_SETUP_INPUT,
&h, sizeof(h), NULL, 0 );
if (status) ERR( "input setup failed: %#x\n", status );
}
event = CreateEventW( NULL, TRUE, FALSE, NULL );
for (;;)
{
status = NtReadFile( console->tty_input, event, NULL, NULL, &io, read_buf, sizeof(read_buf), NULL, NULL );
if (status == STATUS_PENDING)
{
if ((status = NtWaitForSingleObject( event, FALSE, NULL ))) break;
status = io.Status;
}
if (status) break;
EnterCriticalSection( &console_section );
signaled = console->record_count != 0;
/* FIXME: Handle partial char read */
count = MultiByteToWideChar( get_tty_cp( console ), 0, read_buf, io.Information, buf, ARRAY_SIZE(buf) );
TRACE( "%s\n", debugstr_wn(buf, count) );
for (i = 0; i < count; i++)
{
WCHAR ch = buf[i];
switch (ch)
{
case 3: /* end of text */
LeaveCriticalSection( &console_section );
goto done;
case '\n':
key_press( console, '\n', VK_RETURN, LEFT_CTRL_PRESSED );
break;
case '\b':
key_press( console, ch, 'H', LEFT_CTRL_PRESSED );
break;
case 0x1b:
i += process_input_escape( console, buf + i + 1, count - i - 1 );
break;
case 0x7f:
key_press( console, '\b', VK_BACK, 0 );
break;
default:
char_key_press( console, ch, 0 );
}
}
process_console_input( console );
if (!signaled && console->record_count)
{
assert( !console->read_ioctl );
read_complete( console, STATUS_SUCCESS, NULL, 0, TRUE ); /* signal console */
}
LeaveCriticalSection( &console_section );
}
TRACE( "NtReadFile failed: %#x\n", status );
done:
EnterCriticalSection( &console_section );
if (console->read_ioctl) read_complete( console, status, NULL, 0, FALSE );
if (console->is_unix)
{
unsigned int h = 0;
status = NtDeviceIoControlFile( console->server, NULL, NULL, NULL, &io, IOCTL_CONDRV_SETUP_INPUT,
&h, sizeof(h), NULL, 0 );
if (status) ERR( "input restore failed: %#x\n", status );
}
CloseHandle( console->input_thread );
console->input_thread = NULL;
LeaveCriticalSection( &console_section );
return 0;
}
static BOOL ensure_tty_input_thread( struct console *console )
{
if (!console->tty_input) return TRUE;
if (!console->input_thread)
console->input_thread = CreateThread( NULL, 0, tty_input, console, 0, NULL );
return console->input_thread != NULL;
}
static NTSTATUS screen_buffer_activate( struct screen_buffer *screen_buffer )
{
RECT update_rect;
TRACE( "%p\n", screen_buffer );
screen_buffer->console->active = screen_buffer;
SetRect( &update_rect, 0, 0, screen_buffer->width - 1, screen_buffer->height - 1 );
update_output( screen_buffer, &update_rect );
tty_sync( screen_buffer->console );
update_window_config( screen_buffer->console );
return STATUS_SUCCESS;
}
static NTSTATUS get_output_info( struct screen_buffer *screen_buffer, size_t *out_size )
{
struct condrv_output_info *info;
TRACE( "%p\n", screen_buffer );
*out_size = min( *out_size, sizeof(*info) + screen_buffer->font.face_len );
if (!(info = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
info->cursor_size = screen_buffer->cursor_size;
info->cursor_visible = screen_buffer->cursor_visible;
info->cursor_x = screen_buffer->cursor_x;
info->cursor_y = screen_buffer->cursor_y;
info->width = screen_buffer->width;
info->height = screen_buffer->height;
info->attr = screen_buffer->attr;
info->popup_attr = screen_buffer->popup_attr;
info->win_left = screen_buffer->win.left;
info->win_top = screen_buffer->win.top;
info->win_right = screen_buffer->win.right;
info->win_bottom = screen_buffer->win.bottom;
info->max_width = screen_buffer->max_width;
info->max_height = screen_buffer->max_height;
info->font_width = screen_buffer->font.width;
info->font_height = screen_buffer->font.height;
info->font_weight = screen_buffer->font.weight;
info->font_pitch_family = screen_buffer->font.pitch_family;
memcpy( info->color_map, screen_buffer->color_map, sizeof(info->color_map) );
if (*out_size > sizeof(*info)) memcpy( info + 1, screen_buffer->font.face_name, *out_size - sizeof(*info) );
return STATUS_SUCCESS;
}
NTSTATUS 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) ))) return STATUS_NO_MEMORY;
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 STATUS_SUCCESS;
}
static NTSTATUS set_output_info( struct screen_buffer *screen_buffer,
const struct condrv_output_info_params *params, size_t extra_size )
{
const struct condrv_output_info *info = &params->info;
NTSTATUS status;
TRACE( "%p\n", screen_buffer );
extra_size -= sizeof(*params);
if (params->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM)
{
if (info->cursor_size < 1 || info->cursor_size > 100) return STATUS_INVALID_PARAMETER;
screen_buffer->cursor_size = info->cursor_size;
screen_buffer->cursor_visible = !!info->cursor_visible;
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_POS)
{
if (info->cursor_x < 0 || info->cursor_x >= screen_buffer->width ||
info->cursor_y < 0 || info->cursor_y >= screen_buffer->height)
{
return STATUS_INVALID_PARAMETER;
}
if (screen_buffer->cursor_x != info->cursor_x || screen_buffer->cursor_y != info->cursor_y)
{
screen_buffer->cursor_x = info->cursor_x;
screen_buffer->cursor_y = info->cursor_y;
scroll_to_cursor( screen_buffer );
}
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_SIZE)
{
/* new screen-buffer cannot be smaller than actual window */
if (info->width < screen_buffer->win.right - screen_buffer->win.left + 1 ||
info->height < screen_buffer->win.bottom - screen_buffer->win.top + 1)
{
return STATUS_INVALID_PARAMETER;
}
/* FIXME: there are also some basic minimum and max size to deal with */
if ((status = change_screen_buffer_size( screen_buffer, info->width, info->height ))) return status;
/* scroll window to display sb */
if (screen_buffer->win.right >= info->width)
{
screen_buffer->win.right -= screen_buffer->win.left;
screen_buffer->win.left = 0;
}
if (screen_buffer->win.bottom >= info->height)
{
screen_buffer->win.bottom -= screen_buffer->win.top;
screen_buffer->win.top = 0;
}
if (screen_buffer->cursor_x >= info->width) screen_buffer->cursor_x = info->width - 1;
if (screen_buffer->cursor_y >= info->height) screen_buffer->cursor_y = info->height - 1;
if (is_active( screen_buffer ) && screen_buffer->console->mode & ENABLE_WINDOW_INPUT)
{
INPUT_RECORD ir;
ir.EventType = WINDOW_BUFFER_SIZE_EVENT;
ir.Event.WindowBufferSizeEvent.dwSize.X = info->width;
ir.Event.WindowBufferSizeEvent.dwSize.Y = info->height;
write_console_input( screen_buffer->console, &ir, 1, TRUE );
}
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_ATTR)
{
screen_buffer->attr = info->attr;
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_POPUP_ATTR)
{
screen_buffer->popup_attr = info->popup_attr;
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW)
{
if (info->win_left < 0 || info->win_left > info->win_right ||
info->win_right >= screen_buffer->width ||
info->win_top < 0 || info->win_top > info->win_bottom ||
info->win_bottom >= screen_buffer->height)
{
return STATUS_INVALID_PARAMETER;
}
if (screen_buffer->win.left != info->win_left || screen_buffer->win.top != info->win_top ||
screen_buffer->win.right != info->win_right || screen_buffer->win.bottom != info->win_bottom)
{
screen_buffer->win.left = info->win_left;
screen_buffer->win.top = info->win_top;
screen_buffer->win.right = info->win_right;
screen_buffer->win.bottom = info->win_bottom;
}
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_MAX_SIZE)
{
screen_buffer->max_width = info->max_width;
screen_buffer->max_height = info->max_height;
}
if (is_active( screen_buffer ))
{
tty_sync( screen_buffer->console );
update_window_config( screen_buffer->console );
}
return STATUS_SUCCESS;
}
static NTSTATUS write_console( struct screen_buffer *screen_buffer, const WCHAR *buffer, size_t len )
{
RECT update_rect;
size_t i, j;
TRACE( "%s\n", debugstr_wn(buffer, len) );
empty_update_rect( screen_buffer, &update_rect );
for (i = 0; i < len; i++)
{
if (screen_buffer->mode & ENABLE_PROCESSED_OUTPUT)
{
switch (buffer[i])
{
case '\b':
if (screen_buffer->cursor_x) screen_buffer->cursor_x--;
continue;
case '\t':
j = min( screen_buffer->width - screen_buffer->cursor_x, 8 - (screen_buffer->cursor_x % 8) );
while (j--) write_char( screen_buffer, ' ', &update_rect, NULL );
continue;
case '\n':
screen_buffer->cursor_x = 0;
if (++screen_buffer->cursor_y == screen_buffer->height)
new_line( screen_buffer, &update_rect );
else if (screen_buffer->mode & ENABLE_WRAP_AT_EOL_OUTPUT)
{
update_output( screen_buffer, &update_rect );
set_tty_cursor( screen_buffer->console, screen_buffer->cursor_x, screen_buffer->cursor_y );
}
continue;
case '\a':
FIXME( "beep\n" );
continue;
case '\r':
screen_buffer->cursor_x = 0;
continue;
}
}
if (screen_buffer->cursor_x == screen_buffer->width && !(screen_buffer->mode & ENABLE_WRAP_AT_EOL_OUTPUT))
screen_buffer->cursor_x = update_rect.left;
write_char( screen_buffer, buffer[i], &update_rect, NULL );
}
if (screen_buffer->cursor_x == screen_buffer->width)
{
if (screen_buffer->mode & ENABLE_WRAP_AT_EOL_OUTPUT) screen_buffer->cursor_x--;
else screen_buffer->cursor_x = update_rect.left;
}
scroll_to_cursor( screen_buffer );
update_output( screen_buffer, &update_rect );
tty_sync( screen_buffer->console );
update_window_config( screen_buffer->console );
return STATUS_SUCCESS;
}
static NTSTATUS write_output( struct screen_buffer *screen_buffer, const struct condrv_output_params *params,
size_t in_size, size_t *out_size )
{
unsigned int i, entry_size, entry_cnt, x, y;
char_info_t *dest;
char *src;
if (*out_size == sizeof(SMALL_RECT) && !params->width) return STATUS_INVALID_PARAMETER;
entry_size = params->mode == CHAR_INFO_MODE_TEXTATTR ? sizeof(char_info_t) : sizeof(WCHAR);
entry_cnt = (in_size - sizeof(*params)) / entry_size;
TRACE( "(%u,%u) cnt %u\n", params->x, params->y, entry_cnt );
if (params->x >= screen_buffer->width)
{
*out_size = 0;
return STATUS_SUCCESS;
}
for (i = 0, src = (char *)(params + 1); i < entry_cnt; i++, src += entry_size)
{
if (params->width)
{
x = params->x + i % params->width;
y = params->y + i / params->width;
if (x >= screen_buffer->width) continue;
}
else
{
x = (params->x + i) % screen_buffer->width;
y = params->y + (params->x + i) / screen_buffer->width;
}
if (y >= screen_buffer->height) break;
dest = &screen_buffer->data[y * screen_buffer->width + x];
switch(params->mode)
{
case CHAR_INFO_MODE_TEXT:
dest->ch = *(const WCHAR *)src;
break;
case CHAR_INFO_MODE_ATTR:
dest->attr = *(const unsigned short *)src;
break;
case CHAR_INFO_MODE_TEXTATTR:
*dest = *(const char_info_t *)src;
break;
default:
return STATUS_INVALID_PARAMETER;
}
}
if (i && is_active( screen_buffer ))
{
RECT update_rect;
update_rect.left = params->x;
update_rect.top = params->y;
if (params->width)
{
update_rect.bottom = min( params->y + entry_cnt / params->width, screen_buffer->height ) - 1;
update_rect.right = min( params->x + params->width, screen_buffer->width ) - 1;
}
else
{
update_rect.bottom = params->y + (params->x + i - 1) / screen_buffer->width;
if (update_rect.bottom != params->y)
{
update_rect.left = 0;
update_rect.right = screen_buffer->width - 1;
}
else
{
update_rect.right = params->x + i - 1;
}
}
update_output( screen_buffer, &update_rect );
tty_sync( screen_buffer->console );
}
if (*out_size == sizeof(SMALL_RECT))
{
SMALL_RECT *region;
unsigned int width = params->width;
x = params->x;
y = params->y;
if (!(region = alloc_ioctl_buffer( sizeof(*region )))) return STATUS_NO_MEMORY;
region->Left = x;
region->Top = y;
region->Right = min( x + width, screen_buffer->width ) - 1;
region->Bottom = min( y + entry_cnt / width, screen_buffer->height ) - 1;
}
else
{
DWORD *result;
if (!(result = alloc_ioctl_buffer( sizeof(*result )))) return STATUS_NO_MEMORY;
*result = i;
}
return STATUS_SUCCESS;
}
static NTSTATUS read_output( struct screen_buffer *screen_buffer, const struct condrv_output_params *params,
size_t *out_size )
{
enum char_info_mode mode;
unsigned int x, y, width;
unsigned int i, count;
x = params->x;
y = params->y;
mode = params->mode;
width = params->width;
TRACE( "(%u %u) mode %u width %u\n", x, y, mode, width );
switch(mode)
{
case CHAR_INFO_MODE_TEXT:
{
WCHAR *data;
char_info_t *src;
if (x >= screen_buffer->width || y >= screen_buffer->height)
{
*out_size = 0;
return STATUS_SUCCESS;
}
src = screen_buffer->data + y * screen_buffer->width + x;
count = min( screen_buffer->data + screen_buffer->height * screen_buffer->width - src,
*out_size / sizeof(*data) );
*out_size = count * sizeof(*data);
if (!(data = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
for (i = 0; i < count; i++) data[i] = src[i].ch;
}
break;
case CHAR_INFO_MODE_ATTR:
{
unsigned short *data;
char_info_t *src;
if (x >= screen_buffer->width || y >= screen_buffer->height)
{
*out_size = 0;
return STATUS_SUCCESS;
}
src = screen_buffer->data + y * screen_buffer->width + x;
count = min( screen_buffer->data + screen_buffer->height * screen_buffer->width - src,
*out_size / sizeof(*data) );
*out_size = count * sizeof(*data);
if (!(data = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
for (i = 0; i < count; i++) data[i] = src[i].attr;
}
break;
case CHAR_INFO_MODE_TEXTATTR:
{
SMALL_RECT *region;
char_info_t *data;
if (!width || *out_size < sizeof(*region) || x >= screen_buffer->width || y >= screen_buffer->height)
return STATUS_INVALID_PARAMETER;
count = min( (*out_size - sizeof(*region)) / (width * sizeof(*data)), screen_buffer->height - y );
width = min( width, screen_buffer->width - x );
*out_size = sizeof(*region) + width * count * sizeof(*data);
if (!(region = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
region->Left = x;
region->Top = y;
region->Right = x + width - 1;
region->Bottom = y + count - 1;
data = (char_info_t *)(region + 1);
for (i = 0; i < count; i++)
{
memcpy( &data[i * width], &screen_buffer->data[(y + i) * screen_buffer->width + x],
width * sizeof(*data) );
}
}
break;
default:
return STATUS_INVALID_PARAMETER;
}
return STATUS_SUCCESS;
}
static NTSTATUS fill_output( struct screen_buffer *screen_buffer, const struct condrv_fill_output_params *params )
{
char_info_t *end, *dest;
DWORD i, count, *result;
TRACE( "(%u %u) mode %u\n", params->x, params->y, params->mode );
if (params->y >= screen_buffer->height) return STATUS_SUCCESS;
dest = screen_buffer->data + min( params->y * screen_buffer->width + params->x,
screen_buffer->height * screen_buffer->width );
end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
count = params->count;
if (count > end - dest) count = end - dest;
switch(params->mode)
{
case CHAR_INFO_MODE_TEXT:
for (i = 0; i < count; i++) dest[i].ch = params->ch;
break;
case CHAR_INFO_MODE_ATTR:
for (i = 0; i < count; i++) dest[i].attr = params->attr;
break;
case CHAR_INFO_MODE_TEXTATTR:
for (i = 0; i < count; i++)
{
dest[i].ch = params->ch;
dest[i].attr = params->attr;
}
break;
default:
return STATUS_INVALID_PARAMETER;
}
if (count && is_active(screen_buffer))
{
RECT update_rect;
SetRect( &update_rect,
params->x % screen_buffer->width,
params->y + params->x / screen_buffer->width,
(params->x + i - 1) % screen_buffer->width,
params->y + (params->x + i - 1) / screen_buffer->width );
update_output( screen_buffer, &update_rect );
tty_sync( screen_buffer->console );
}
if (!(result = alloc_ioctl_buffer( sizeof(*result) ))) return STATUS_NO_MEMORY;
*result = count;
return STATUS_SUCCESS;
}
static NTSTATUS scroll_output( struct screen_buffer *screen_buffer, const struct condrv_scroll_params *params )
{
int x, y, xsrc, ysrc, w, h;
char_info_t *psrc, *pdst;
SMALL_RECT src, dst;
RECT update_rect;
SMALL_RECT clip;
xsrc = params->scroll.Left;
ysrc = params->scroll.Top;
w = params->scroll.Right - params->scroll.Left + 1;
h = params->scroll.Bottom - params->scroll.Top + 1;
TRACE( "(%d %d) -> (%u %u) w %u h %u\n", xsrc, ysrc, params->origin.X, params->origin.Y, w, h );
clip.Left = max( params->clip.Left, 0 );
clip.Top = max( params->clip.Top, 0 );
clip.Right = min( params->clip.Right, screen_buffer->width - 1 );
clip.Bottom = min( params->clip.Bottom, screen_buffer->height - 1 );
if (clip.Left > clip.Right || clip.Top > clip.Bottom || params->scroll.Left < 0 || params->scroll.Top < 0 ||
params->scroll.Right >= screen_buffer->width || params->scroll.Bottom >= screen_buffer->height ||
params->scroll.Right < params->scroll.Left || params->scroll.Top > params->scroll.Bottom ||
params->origin.X < 0 || params->origin.X >= screen_buffer->width || params->origin.Y < 0 ||
params->origin.Y >= screen_buffer->height)
return STATUS_INVALID_PARAMETER;
src.Left = max( xsrc, clip.Left );
src.Top = max( ysrc, clip.Top );
src.Right = min( xsrc + w - 1, clip.Right );
src.Bottom = min( ysrc + h - 1, clip.Bottom );
dst.Left = params->origin.X;
dst.Top = params->origin.Y;
dst.Right = params->origin.X + w - 1;
dst.Bottom = params->origin.Y + h - 1;
if (dst.Left < clip.Left)
{
xsrc += clip.Left - dst.Left;
w -= clip.Left - dst.Left;
dst.Left = clip.Left;
}
if (dst.Top < clip.Top)
{
ysrc += clip.Top - dst.Top;
h -= clip.Top - dst.Top;
dst.Top = clip.Top;
}
if (dst.Right > clip.Right) w -= dst.Right - clip.Right;
if (dst.Bottom > clip.Bottom) h -= dst.Bottom - clip.Bottom;
if (w > 0 && h > 0)
{
if (ysrc < dst.Top)
{
psrc = &screen_buffer->data[(ysrc + h - 1) * screen_buffer->width + xsrc];
pdst = &screen_buffer->data[(dst.Top + h - 1) * screen_buffer->width + dst.Left];
for (y = h; y > 0; y--)
{
memcpy( pdst, psrc, w * sizeof(*pdst) );
pdst -= screen_buffer->width;
psrc -= screen_buffer->width;
}
}
else
{
psrc = &screen_buffer->data[ysrc * screen_buffer->width + xsrc];
pdst = &screen_buffer->data[dst.Top * screen_buffer->width + dst.Left];
for (y = 0; y < h; y++)
{
/* 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 * sizeof(*pdst) );
pdst += screen_buffer->width;
psrc += screen_buffer->width;
}
}
}
for (y = src.Top; y <= src.Bottom; y++)
{
int left = src.Left;
int right = src.Right;
if (dst.Top <= y && y <= dst.Bottom)
{
if (dst.Left <= src.Left) left = max( left, dst.Right + 1 );
if (dst.Left >= src.Left) right = min( right, dst.Left - 1 );
}
for (x = left; x <= right; x++) screen_buffer->data[y * screen_buffer->width + x] = params->fill;
}
SetRect( &update_rect, min( src.Left, dst.Left ), min( src.Top, dst.Top ),
max( src.Right, dst.Right ), max( src.Bottom, dst.Bottom ));
update_output( screen_buffer, &update_rect );
tty_sync( screen_buffer->console );
return STATUS_SUCCESS;
}
static NTSTATUS set_console_title( struct console *console, const WCHAR *in_title, size_t size )
{
WCHAR *title = NULL;
TRACE( "%s\n", debugstr_wn(in_title, size / sizeof(WCHAR)) );
if (size)
{
if (!(title = malloc( size + sizeof(WCHAR) ))) return STATUS_NO_MEMORY;
memcpy( title, in_title, size );
title[size / sizeof(WCHAR)] = 0;
}
free( console->title );
console->title = title;
if (console->tty_output)
{
size_t len;
char *vt;
tty_write( console, "\x1b]0;", 4 );
len = WideCharToMultiByte( get_tty_cp( console ), 0, console->title, size / sizeof(WCHAR),
NULL, 0, NULL, NULL);
if ((vt = tty_alloc_buffer( console, len )))
WideCharToMultiByte( get_tty_cp( console ), 0, console->title, size / sizeof(WCHAR),
vt, len, NULL, NULL );
tty_write( console, "\x07", 1 );
tty_sync( console );
}
if (console->win)
SetWindowTextW( console->win, console->title );
return STATUS_SUCCESS;
}
static NTSTATUS screen_buffer_ioctl( struct screen_buffer *screen_buffer, unsigned int code,
const void *in_data, size_t in_size, size_t *out_size )
{
switch (code)
{
case IOCTL_CONDRV_CLOSE_OUTPUT:
if (in_size || *out_size) return STATUS_INVALID_PARAMETER;
destroy_screen_buffer( screen_buffer );
return STATUS_SUCCESS;
case IOCTL_CONDRV_ACTIVATE:
if (in_size || *out_size) return STATUS_INVALID_PARAMETER;
return screen_buffer_activate( screen_buffer );
case IOCTL_CONDRV_GET_MODE:
{
DWORD *mode;
TRACE( "returning mode %x\n", screen_buffer->mode );
if (in_size || *out_size != sizeof(*mode)) return STATUS_INVALID_PARAMETER;
if (!(mode = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
*mode = screen_buffer->mode;
return STATUS_SUCCESS;
}
case IOCTL_CONDRV_SET_MODE:
if (in_size != sizeof(unsigned int) || *out_size) return STATUS_INVALID_PARAMETER;
screen_buffer->mode = *(unsigned int *)in_data;
TRACE( "set %x mode\n", screen_buffer->mode );
return STATUS_SUCCESS;
case IOCTL_CONDRV_WRITE_CONSOLE:
if (in_size % sizeof(WCHAR) || *out_size) return STATUS_INVALID_PARAMETER;
return write_console( screen_buffer, in_data, in_size / sizeof(WCHAR) );
case IOCTL_CONDRV_WRITE_FILE:
{
unsigned int len;
WCHAR *buf;
NTSTATUS status;
len = MultiByteToWideChar( screen_buffer->console->output_cp, 0, in_data, in_size,
NULL, 0 );
if (!len) return STATUS_SUCCESS;
if (!(buf = malloc( len * sizeof(WCHAR) ))) return STATUS_NO_MEMORY;
MultiByteToWideChar( screen_buffer->console->output_cp, 0, in_data, in_size, buf, len );
status = write_console( screen_buffer, buf, len );
free( buf );
return status;
}
case IOCTL_CONDRV_WRITE_OUTPUT:
if ((*out_size != sizeof(DWORD) && *out_size != sizeof(SMALL_RECT)) ||
in_size < sizeof(struct condrv_output_params))
return STATUS_INVALID_PARAMETER;
return write_output( screen_buffer, in_data, in_size, out_size );
case IOCTL_CONDRV_READ_OUTPUT:
if (in_size != sizeof(struct condrv_output_params)) return STATUS_INVALID_PARAMETER;
return read_output( screen_buffer, in_data, out_size );
case IOCTL_CONDRV_GET_OUTPUT_INFO:
if (in_size || *out_size < sizeof(struct condrv_output_info)) return STATUS_INVALID_PARAMETER;
return get_output_info( screen_buffer, out_size );
case IOCTL_CONDRV_SET_OUTPUT_INFO:
if (in_size < sizeof(struct condrv_output_info) || *out_size) return STATUS_INVALID_PARAMETER;
return set_output_info( screen_buffer, in_data, in_size );
case IOCTL_CONDRV_FILL_OUTPUT:
if (in_size != sizeof(struct condrv_fill_output_params) || *out_size != sizeof(DWORD))
return STATUS_INVALID_PARAMETER;
return fill_output( screen_buffer, in_data );
case IOCTL_CONDRV_SCROLL:
if (in_size != sizeof(struct condrv_scroll_params) || *out_size)
return STATUS_INVALID_PARAMETER;
return scroll_output( screen_buffer, in_data );
default:
WARN( "invalid ioctl %x\n", code );
return STATUS_INVALID_HANDLE;
}
}
static NTSTATUS console_input_ioctl( struct console *console, unsigned int code, const void *in_data,
size_t in_size, size_t *out_size )
{
NTSTATUS status;
switch (code)
{
case IOCTL_CONDRV_GET_MODE:
{
DWORD *mode;
TRACE( "returning mode %x\n", console->mode );
if (in_size || *out_size != sizeof(*mode)) return STATUS_INVALID_PARAMETER;
if (!(mode = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
*mode = console->mode;
return STATUS_SUCCESS;
}
case IOCTL_CONDRV_SET_MODE:
if (in_size != sizeof(unsigned int) || *out_size) return STATUS_INVALID_PARAMETER;
console->mode = *(unsigned int *)in_data;
TRACE( "set %x mode\n", console->mode );
return STATUS_SUCCESS;
case IOCTL_CONDRV_READ_CONSOLE:
if (in_size || *out_size % sizeof(WCHAR)) return STATUS_INVALID_PARAMETER;
ensure_tty_input_thread( console );
status = read_console( console, code, *out_size );
*out_size = 0;
return status;
case IOCTL_CONDRV_READ_FILE:
ensure_tty_input_thread( console );
status = read_console( console, code, *out_size );
*out_size = 0;
return status;
case IOCTL_CONDRV_READ_INPUT:
{
if (in_size) return STATUS_INVALID_PARAMETER;
ensure_tty_input_thread( console );
if (!console->record_count && *out_size)
{
TRACE( "pending read\n" );
console->read_ioctl = IOCTL_CONDRV_READ_INPUT;
console->pending_read = *out_size;
return STATUS_PENDING;
}
status = read_console_input( console, *out_size );
*out_size = 0;
return status;
}
case IOCTL_CONDRV_WRITE_INPUT:
if (in_size % sizeof(INPUT_RECORD) || *out_size) return STATUS_INVALID_PARAMETER;
return write_console_input( console, in_data, in_size / sizeof(INPUT_RECORD), TRUE );
case IOCTL_CONDRV_PEEK:
{
void *result;
TRACE( "peek\n" );
if (in_size) return STATUS_INVALID_PARAMETER;
ensure_tty_input_thread( console );
*out_size = min( *out_size, console->record_count * sizeof(INPUT_RECORD) );
if (!(result = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
if (*out_size) memcpy( result, console->records, *out_size );
return STATUS_SUCCESS;
}
case IOCTL_CONDRV_GET_INPUT_INFO:
{
struct condrv_input_info *info;
TRACE( "get info\n" );
if (in_size || *out_size != sizeof(*info)) return STATUS_INVALID_PARAMETER;
if (!(info = alloc_ioctl_buffer( sizeof(*info )))) return STATUS_NO_MEMORY;
info->input_cp = console->input_cp;
info->output_cp = console->output_cp;
info->win = condrv_handle( console->win );
info->input_count = console->record_count;
return STATUS_SUCCESS;
}
case IOCTL_CONDRV_SET_INPUT_INFO:
{
const struct condrv_input_info_params *params = in_data;
TRACE( "set info\n" );
if (in_size != sizeof(*params) || *out_size) return STATUS_INVALID_PARAMETER;
if (params->mask & SET_CONSOLE_INPUT_INFO_INPUT_CODEPAGE)
{
if (!IsValidCodePage( params->info.input_cp )) return STATUS_INVALID_PARAMETER;
console->input_cp = params->info.input_cp;
}
if (params->mask & SET_CONSOLE_INPUT_INFO_OUTPUT_CODEPAGE)
{
if (!IsValidCodePage( params->info.output_cp )) return STATUS_INVALID_PARAMETER;
console->output_cp = params->info.output_cp;
}
return STATUS_SUCCESS;
}
case IOCTL_CONDRV_GET_TITLE:
{
WCHAR *result;
if (in_size) return STATUS_INVALID_PARAMETER;
TRACE( "returning title %s\n", debugstr_w(console->title) );
*out_size = min( *out_size, console->title ? wcslen( console->title ) * sizeof(WCHAR) : 0 );
if (!(result = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
if (*out_size) memcpy( result, console->title, *out_size );
return STATUS_SUCCESS;
}
case IOCTL_CONDRV_SET_TITLE:
if (in_size % sizeof(WCHAR) || *out_size) return STATUS_INVALID_PARAMETER;
return set_console_title( console, in_data, in_size );
case IOCTL_CONDRV_BEEP:
if (in_size || *out_size) return STATUS_INVALID_PARAMETER;
if (console->is_unix)
{
tty_write( console, "\a", 1 );
tty_sync( console );
}
return STATUS_SUCCESS;
case IOCTL_CONDRV_FLUSH:
if (in_size || *out_size) return STATUS_INVALID_PARAMETER;
TRACE( "flush\n" );
console->record_count = 0;
return STATUS_SUCCESS;
default:
FIXME( "unsupported ioctl %x\n", code );
return STATUS_NOT_SUPPORTED;
}
}
static NTSTATUS process_console_ioctls( struct console *console )
{
size_t out_size = 0, in_size;
unsigned int code;
int output;
NTSTATUS status = STATUS_SUCCESS;
for (;;)
{
if (status) out_size = 0;
console->signaled = console->record_count != 0;
SERVER_START_REQ( get_next_console_request )
{
req->handle = wine_server_obj_handle( console->server );
req->status = status;
req->signal = console->signaled;
wine_server_add_data( req, ioctl_buffer, out_size );
wine_server_set_reply( req, ioctl_buffer, ioctl_buffer_size );
status = wine_server_call( req );
code = reply->code;
output = reply->output;
out_size = reply->out_size;
in_size = wine_server_reply_size( reply );
}
SERVER_END_REQ;
if (status == STATUS_PENDING) return STATUS_SUCCESS;
if (status == STATUS_BUFFER_OVERFLOW)
{
if (!alloc_ioctl_buffer( out_size )) return STATUS_NO_MEMORY;
status = STATUS_SUCCESS;
continue;
}
if (status)
{
TRACE( "failed to get next request: %#x\n", status );
return status;
}
if (code == IOCTL_CONDRV_INIT_OUTPUT)
{
TRACE( "initializing output %x\n", output );
if (console->active)
create_screen_buffer( console, output, console->active->width, console->active->height );
else
create_screen_buffer( console, output, 80, 150 );
}
else if (!output)
{
status = console_input_ioctl( console, code, ioctl_buffer, in_size, &out_size );
}
else
{
struct wine_rb_entry *entry;
if (!(entry = wine_rb_get( &screen_buffer_map, LongToPtr(output) )))
{
ERR( "invalid screen buffer id %x\n", output );
status = STATUS_INVALID_HANDLE;
}
else
{
status = screen_buffer_ioctl( WINE_RB_ENTRY_VALUE( entry, struct screen_buffer, entry ), code,
ioctl_buffer, in_size, &out_size );
}
}
}
}
static int main_loop( struct console *console, HANDLE signal )
{
HANDLE signal_event = NULL;
HANDLE wait_handles[3];
unsigned int wait_cnt = 0;
unsigned short signal_id;
IO_STATUS_BLOCK signal_io;
NTSTATUS status;
BOOL pump_msgs;
DWORD res;
if (signal)
{
if (!(signal_event = CreateEventW( NULL, TRUE, FALSE, NULL ))) return 1;
status = NtReadFile( signal, signal_event, NULL, NULL, &signal_io, &signal_id,
sizeof(signal_id), NULL, NULL );
if (status && status != STATUS_PENDING) return 1;
}
if (!alloc_ioctl_buffer( 4096 )) return 1;
wait_handles[wait_cnt++] = console->server;
if (signal) wait_handles[wait_cnt++] = signal_event;
if (console->input_thread) wait_handles[wait_cnt++] = console->input_thread;
pump_msgs = console->win != NULL;
for (;;)
{
if (pump_msgs)
res = MsgWaitForMultipleObjects( wait_cnt, wait_handles, FALSE, INFINITE, QS_ALLINPUT );
else
res = WaitForMultipleObjects( wait_cnt, wait_handles, FALSE, INFINITE );
if (res == WAIT_OBJECT_0 + wait_cnt)
{
MSG msg;
while (PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
{
if (msg.message == WM_QUIT) return 0;
DispatchMessageW(&msg);
}
continue;
}
switch (res)
{
case WAIT_OBJECT_0:
EnterCriticalSection( &console_section );
status = process_console_ioctls( console );
LeaveCriticalSection( &console_section );
if (status) return 0;
break;
case WAIT_OBJECT_0 + 1:
if (signal_io.Status || signal_io.Information != sizeof(signal_id))
{
TRACE( "signaled quit\n" );
return 0;
}
FIXME( "unimplemented signal %x\n", signal_id );
status = NtReadFile( signal, signal_event, NULL, NULL, &signal_io, &signal_id,
sizeof(signal_id), NULL, NULL );
if (status && status != STATUS_PENDING) return 1;
break;
default:
TRACE( "wait failed, quit\n");
return 0;
}
}
return 0;
}
int __cdecl wmain(int argc, WCHAR *argv[])
{
int headless = 0, i, width = 0, height = 0;
HANDLE signal = NULL;
WCHAR *end;
static struct console console;
for (i = 0; i < argc; i++) TRACE("%s ", wine_dbgstr_w(argv[i]));
TRACE("\n");
console.mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT | ENABLE_INSERT_MODE |
ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS | ENABLE_AUTO_POSITION;
console.input_cp = console.output_cp = GetOEMCP();
console.history_size = 50;
if (!(console.history = calloc( console.history_size, sizeof(*console.history) ))) return 1;
for (i = 1; i < argc; i++)
{
if (!wcscmp( argv[i], L"--headless"))
{
headless = 1;
continue;
}
if (!wcscmp( argv[i], L"--unix"))
{
console.is_unix = 1;
headless = 1;
continue;
}
if (!wcscmp( argv[i], L"--width" ))
{
if (++i == argc) return 1;
width = wcstol( argv[i], &end, 0 );
if ((!width && !console.is_unix) || width > 0xffff || *end) return 1;
continue;
}
if (!wcscmp( argv[i], L"--height" ))
{
if (++i == argc) return 1;
height = wcstol( argv[i], &end, 0 );
if ((!height && !console.is_unix) || height > 0xffff || *end) return 1;
continue;
}
if (!wcscmp( argv[i], L"--signal" ))
{
if (++i == argc) return 1;
signal = ULongToHandle( wcstol( argv[i], &end, 0 ));
if (*end) return 1;
continue;
}
if (!wcscmp( argv[i], L"--server" ))
{
if (++i == argc) return 1;
console.server = ULongToHandle( wcstol( argv[i], &end, 0 ));
if (*end) return 1;
continue;
}
FIXME( "unknown option %s\n", debugstr_w(argv[i]) );
return 1;
}
if (!console.server)
{
ERR( "no server handle\n" );
return 1;
}
if (!width) width = 80;
if (!height) height = 150;
if (!(console.active = create_screen_buffer( &console, 1, width, height ))) return 1;
if (headless)
{
console.tty_input = GetStdHandle( STD_INPUT_HANDLE );
console.tty_output = GetStdHandle( STD_OUTPUT_HANDLE );
init_tty_output( &console );
if (!console.is_unix && !ensure_tty_input_thread( &console )) return 1;
}
else
{
STARTUPINFOW si;
if (!init_window( &console )) return 1;
GetStartupInfoW( &si );
set_console_title( &console, si.lpTitle, wcslen( si.lpTitle ) * sizeof(WCHAR) );
ShowWindow( console.win, (si.dwFlags & STARTF_USESHOWWINDOW) ? si.wShowWindow : SW_SHOW );
}
return main_loop( &console, signal );
}
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