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conhost: Implement IOCTL_CONDRV_SET_OUTPUT_INFO. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-08-28 14:25:24 +02:00 committed by Alexandre Julliard
parent df8578da8e
commit 151b42953b
1 changed files with 199 additions and 0 deletions
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199
programs/conhost/conhost.c
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@ -88,12 +88,15 @@ struct screen_buffer
unsigned short popup_attr; /* pop-up color attributes */
unsigned int max_width; /* size (w-h) of the window given font size */
unsigned int max_height;
char_info_t *data; /* the data for each cell - a width x height matrix */
unsigned int color_map[16]; /* color table */
RECT win; /* current visible window on the screen buffer */
struct font_info font; /* console font information */
struct wine_rb_entry entry; /* map entry */
};
static const char_info_t empty_char_info = { ' ', 0x0007 }; /* white on black space */
static void *ioctl_buffer;
static size_t ioctl_buffer_size;
@ -120,6 +123,7 @@ static struct wine_rb_tree screen_buffer_map = { screen_buffer_compare_id };
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 = malloc( sizeof(*screen_buffer) ))) return NULL;
screen_buffer->console = console;
@ -147,6 +151,20 @@ static struct screen_buffer *create_screen_buffer( struct console *console, int
screen_buffer->font.face_len = 0;
memset( screen_buffer->color_map, 0, sizeof(screen_buffer->color_map) );
if (!(screen_buffer->data = malloc( screen_buffer->width * screen_buffer->height *
sizeof(*screen_buffer->data) )))
{
free( 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) );
if (wine_rb_put( &screen_buffer_map, (const void *)id, &screen_buffer->entry ))
{
ERR( "id %x already exists\n", id );
@ -164,6 +182,11 @@ static void destroy_screen_buffer( struct screen_buffer *screen_buffer )
free( screen_buffer );
}
static BOOL is_active( struct screen_buffer *screen_buffer )
{
return screen_buffer == screen_buffer->console->active;
}
static NTSTATUS read_console_input( struct console *console, size_t out_size )
{
size_t count = min( out_size / sizeof(INPUT_RECORD), console->record_count );
@ -274,6 +297,178 @@ static NTSTATUS get_output_info( struct screen_buffer *screen_buffer, size_t *ou
return STATUS_SUCCESS;
}
static 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;
WCHAR *font_name;
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;
}
}
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 );
}
}
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 (params->mask & SET_CONSOLE_OUTPUT_INFO_COLORTABLE)
{
memcpy( screen_buffer->color_map, info->color_map, sizeof(screen_buffer->color_map) );
}
if (params->mask & SET_CONSOLE_OUTPUT_INFO_FONT)
{
screen_buffer->font.width = info->font_width;
screen_buffer->font.height = info->font_height;
screen_buffer->font.weight = info->font_weight;
screen_buffer->font.pitch_family = info->font_pitch_family;
if (extra_size)
{
const WCHAR *params_font = (const WCHAR *)(params + 1);
extra_size = extra_size / sizeof(WCHAR) * sizeof(WCHAR);
font_name = malloc( extra_size );
if (font_name)
{
memcpy( font_name, params_font, extra_size );
free( screen_buffer->font.face_name );
screen_buffer->font.face_name = font_name;
screen_buffer->font.face_len = extra_size;
}
}
}
return STATUS_SUCCESS;
}
static NTSTATUS set_console_title( struct console *console, const WCHAR *in_title, size_t size )
{
WCHAR *title = NULL;
@ -326,6 +521,10 @@ static NTSTATUS screen_buffer_ioctl( struct screen_buffer *screen_buffer, unsign
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 );
default:
FIXME( "unsupported ioctl %x\n", code );
return STATUS_NOT_SUPPORTED;