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conhost: Implement IOCTL_CONDRV_FILL_OUTPUT. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-08-31 15:10:50 +02:00 committed by Alexandre Julliard
parent c1c61bf255
commit 2dbf14ee80
1 changed files with 55 additions and 0 deletions
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55
programs/conhost/conhost.c
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@ -623,6 +623,56 @@ static NTSTATUS read_output( struct screen_buffer *screen_buffer, const struct c
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 );
dest = screen_buffer->data + params->y * screen_buffer->width + params->x;
if (params->y >= screen_buffer->height) return STATUS_SUCCESS;
if (params->wrap)
end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
else
end = screen_buffer->data + (params->y + 1) * 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;
case CHAR_INFO_MODE_TEXTSTDATTR:
for (i = 0; i < count; i++)
{
dest[i].ch = params->ch;
dest[i].attr = screen_buffer->attr;
}
break;
default:
return STATUS_INVALID_PARAMETER;
}
if (!(result = alloc_ioctl_buffer( sizeof(*result) ))) return STATUS_NO_MEMORY;
*result = count;
return STATUS_SUCCESS;
}
static NTSTATUS set_console_title( struct console *console, const WCHAR *in_title, size_t size )
{
WCHAR *title = NULL;
@ -689,6 +739,11 @@ static NTSTATUS screen_buffer_ioctl( struct screen_buffer *screen_buffer, unsign
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 );
default:
FIXME( "unsupported ioctl %x\n", code );
return STATUS_NOT_SUPPORTED;