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server: Introduce IOCTL_CONDRV_SCROLL ioctl. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-07-29 12:36:05 +02:00 committed by Alexandre Julliard
parent fbe3db1197
commit 7ae370a549
2 changed files with 135 additions and 12 deletions
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29
include/wine/condrv.h
View File

@ -22,6 +22,7 @@
#define _INC_CONDRV
#include "winioctl.h"
#include "wincon.h"
/* common console input and output ioctls */
#define IOCTL_CONDRV_GET_MODE CTL_CODE(FILE_DEVICE_CONSOLE, 0, METHOD_BUFFERED, FILE_READ_PROPERTIES)
@ -43,6 +44,7 @@
#define IOCTL_CONDRV_SET_OUTPUT_INFO CTL_CODE(FILE_DEVICE_CONSOLE, 33, METHOD_BUFFERED, FILE_WRITE_PROPERTIES)
#define IOCTL_CONDRV_ACTIVATE CTL_CODE(FILE_DEVICE_CONSOLE, 34, METHOD_BUFFERED, FILE_WRITE_DATA)
#define IOCTL_CONDRV_FILL_OUTPUT CTL_CODE(FILE_DEVICE_CONSOLE, 35, METHOD_BUFFERED, FILE_WRITE_DATA)
#define IOCTL_CONDRV_SCROLL CTL_CODE(FILE_DEVICE_CONSOLE, 36, METHOD_BUFFERED, FILE_WRITE_DATA)
/* console renderer ioctls */
#define IOCTL_CONDRV_GET_RENDERER_EVENTS CTL_CODE(FILE_DEVICE_CONSOLE, 70, METHOD_BUFFERED, FILE_READ_PROPERTIES)
@ -133,6 +135,16 @@ struct condrv_output_info_params
struct condrv_output_info info; /* output info */
};
#define SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM 0x0001
#define SET_CONSOLE_OUTPUT_INFO_CURSOR_POS 0x0002
#define SET_CONSOLE_OUTPUT_INFO_SIZE 0x0004
#define SET_CONSOLE_OUTPUT_INFO_ATTR 0x0008
#define SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW 0x0010
#define SET_CONSOLE_OUTPUT_INFO_MAX_SIZE 0x0020
#define SET_CONSOLE_OUTPUT_INFO_FONT 0x0040
#define SET_CONSOLE_OUTPUT_INFO_COLORTABLE 0x0080
#define SET_CONSOLE_OUTPUT_INFO_POPUP_ATTR 0x0100
/* IOCTL_CONDRV_FILL_OUTPUT params */
struct condrv_fill_output_params
{
@ -145,15 +157,14 @@ struct condrv_fill_output_params
unsigned short attr; /* attribute to write */
};
#define SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM 0x0001
#define SET_CONSOLE_OUTPUT_INFO_CURSOR_POS 0x0002
#define SET_CONSOLE_OUTPUT_INFO_SIZE 0x0004
#define SET_CONSOLE_OUTPUT_INFO_ATTR 0x0008
#define SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW 0x0010
#define SET_CONSOLE_OUTPUT_INFO_MAX_SIZE 0x0020
#define SET_CONSOLE_OUTPUT_INFO_FONT 0x0040
#define SET_CONSOLE_OUTPUT_INFO_COLORTABLE 0x0080
#define SET_CONSOLE_OUTPUT_INFO_POPUP_ATTR 0x0100
/* IOCTL_CONDRV_SCROLL params */
struct condrv_scroll_params
{
SMALL_RECT scroll; /* source rectangle */
COORD origin; /* destination coordinates */
SMALL_RECT clip; /* clipping rectangle */
char_info_t fill; /* empty character info */
};
/* IOCTL_CONDRV_GET_RENDERER_EVENTS result */
struct condrv_renderer_event

114
server/console.c
View File

@ -1446,6 +1446,84 @@ static int fill_console_output( struct screen_buffer *screen_buffer, char_info_t
/* scroll parts of a screen buffer */
static void scroll_console_output( struct screen_buffer *screen_buffer, int xsrc, int ysrc, int xdst, int ydst,
int w, int h, const rectangle_t *clip, char_info_t fill )
{
struct condrv_renderer_event evt;
rectangle_t src, dst;
int x, y;
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 = xdst;
dst.top = ydst;
dst.right = xdst + w - 1;
dst.bottom = ydst + 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 < ydst)
{
for (y = h; y > 0; y--)
{
memcpy( &screen_buffer->data[(dst.top + y - 1) * screen_buffer->width + dst.left],
&screen_buffer->data[(ysrc + y - 1) * screen_buffer->width + xsrc],
w * sizeof(screen_buffer->data[0]) );
}
}
else
{
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( &screen_buffer->data[(dst.top + y) * screen_buffer->width + dst.left],
&screen_buffer->data[(ysrc + y) * screen_buffer->width + xsrc],
w * sizeof(screen_buffer->data[0]) );
}
}
}
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] = fill;
}
/* FIXME: this could be enhanced, by signalling scroll */
evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
memset(&evt.u, 0, sizeof(evt.u));
evt.u.update.top = min( src.top, dst.top );
evt.u.update.bottom = max( src.bottom, dst.bottom );
console_input_events_append( screen_buffer->input, &evt );
}
/* scroll parts of a screen buffer */
static void scroll_console_output_req( struct screen_buffer *screen_buffer, int xsrc, int ysrc, int xdst, int ydst,
int w, int h )
{
int j;
@ -1811,6 +1889,40 @@ static int screen_buffer_ioctl( struct fd *fd, ioctl_code_t code, struct async *
return !get_error();
}
case IOCTL_CONDRV_SCROLL:
{
const struct condrv_scroll_params *params = get_req_data();
rectangle_t clip;
if (get_req_data_size() != sizeof(*params))
{
set_error( STATUS_INVALID_PARAMETER );
return 0;
}
if (console_input_is_bare( screen_buffer->input ) || !screen_buffer->input)
{
set_error( STATUS_OBJECT_TYPE_MISMATCH );
return 0;
}
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)
{
set_error( STATUS_INVALID_PARAMETER );
return 0;
}
scroll_console_output( screen_buffer, params->scroll.Left, params->scroll.Top, params->origin.X, params->origin.Y,
params->scroll.Right - params->scroll.Left + 1, params->scroll.Bottom - params->scroll.Top + 1,
&clip, params->fill );
return !get_error();
}
default:
set_error( STATUS_INVALID_HANDLE );
return 0;
@ -2182,7 +2294,7 @@ DECL_HANDLER(move_console_output)
release_object( screen_buffer );
return;
}
scroll_console_output( screen_buffer, req->x_src, req->y_src, req->x_dst, req->y_dst,
scroll_console_output_req( screen_buffer, req->x_src, req->y_src, req->x_dst, req->y_dst,
req->w, req->h );
release_object( screen_buffer );
}