New, XInput based, version of xtsscale(1).
XInput is used to get raw events from the device and device properties are used to send the data back to the X server. Calibration can now be done without restarting X.
This commit is contained in:
parent
d5dc0ce8f5
commit
2733f18bd5
@ -1,13 +1,15 @@
|
||||
# $OpenBSD: Makefile,v 1.4 2008/03/25 23:41:50 matthieu Exp $
|
||||
# $OpenBSD: Makefile,v 1.5 2009/11/25 18:30:13 matthieu Exp $
|
||||
.include <bsd.xconf.mk>
|
||||
|
||||
PROG= xtsscale
|
||||
MAN= xtsscale.1
|
||||
|
||||
CPPFLAGS+= -I${X11BASE}/include -I${X11BASE}/include/freetype2
|
||||
LDADD+= -L${X11BASE}/lib -lXft -lXrender -lX11 -lXau \
|
||||
CPPFLAGS+= -I${X11BASE}/include -I${X11BASE}/include/freetype2 \
|
||||
-I${X11BASE}/include/xorg
|
||||
LDADD+= -L${X11BASE}/lib -lXft -lXi -lXrender -lX11 -lXau \
|
||||
-lXdmcp -lfontconfig -lexpat -lfreetype -lz
|
||||
|
||||
CFLAGS+= -Wall
|
||||
MANDIR= ${X11BASE}/man/cat
|
||||
|
||||
obj: _xenocara_obj
|
||||
|
@ -1,4 +1,4 @@
|
||||
.\" $OpenBSD: xtsscale.1,v 1.4 2007/08/31 22:02:51 matthieu Exp $
|
||||
.\" $OpenBSD: xtsscale.1,v 1.5 2009/11/25 18:30:13 matthieu Exp $
|
||||
.\"
|
||||
.\" Copyright (c) 2007 Robert Nagy <robert@openbsd.org>
|
||||
.\"
|
||||
@ -39,6 +39,17 @@
|
||||
is used interactively to calculate both the scaling and offset values which
|
||||
will make the pointer act at the indicated location on the screen.
|
||||
.Pp
|
||||
.Ar device
|
||||
is the name or numerical identifier of the X Input extension device
|
||||
to calibrate.
|
||||
Use
|
||||
.Pp
|
||||
.Dl # xinput --list
|
||||
.Pp
|
||||
to figure out the actual name for the X configuration.
|
||||
.Ar device
|
||||
can be omitted if there is only one X extension pointer in the system.
|
||||
.Pp
|
||||
When good deviations are calculated from the selections made at these
|
||||
points,
|
||||
.Nm
|
||||
@ -54,13 +65,11 @@ for further use, or can be immediately applied using:
|
||||
.Sh NOTES
|
||||
To use
|
||||
.Nm
|
||||
a special
|
||||
the mode of the raw mode of the input device should be set in the
|
||||
.Pa /etc/X11/xorg.conf
|
||||
X configuration file is needed, in which the input device driver is
|
||||
replaced by the
|
||||
.Xr void 4
|
||||
driver so that the device to calibrate is not opened by X during the
|
||||
calibration.
|
||||
X configuration file. See
|
||||
.Xr ws 4
|
||||
for details.
|
||||
.Pp
|
||||
.Pa /etc/wsconsctl.conf
|
||||
cannot currently be used to set the calibration data of a device
|
||||
@ -68,9 +77,11 @@ that is not the first device. (
|
||||
.Pa /dev/wsmouse0
|
||||
)
|
||||
.Sh SEE ALSO
|
||||
.Xr xinput 1 ,
|
||||
.Xr ioctl 2 ,
|
||||
.Xr uts 4 ,
|
||||
.Xr wscons 4 ,
|
||||
.Xr ws 4 ,
|
||||
.Xr wsconsctl 8 ,
|
||||
.Xr X 7
|
||||
.Sh HISTORY
|
||||
|
@ -1,6 +1,7 @@
|
||||
/* $OpenBSD: xtsscale.c,v 1.6 2007/08/31 21:53:55 matthieu Exp $ */
|
||||
/* $OpenBSD: xtsscale.c,v 1.7 2009/11/25 18:30:13 matthieu Exp $ */
|
||||
/*
|
||||
* Copyright (c) 2007 Robert Nagy <robert@openbsd.org>
|
||||
* Copyright (c) 2009 Matthieu Herrb <matthieu@herrb.eu>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -24,25 +25,41 @@
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright 1996 by Frederic Lepied, France. <Frederic.Lepied@sugix.frmug.org>
|
||||
*
|
||||
* Permission to use, copy, modify, distribute, and sell this software and its
|
||||
* documentation for any purpose is hereby granted without fee, provided that
|
||||
* the above copyright notice appear in all copies and that both that
|
||||
* copyright notice and this permission notice appear in supporting
|
||||
* documentation, and that the name of the authors not be used in
|
||||
* advertising or publicity pertaining to distribution of the software without
|
||||
* specific, written prior permission. The authors make no
|
||||
* representations about the suitability of this software for any purpose. It
|
||||
* is provided "as is" without express or implied warranty.
|
||||
*
|
||||
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
||||
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
||||
* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
||||
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
||||
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
||||
* PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/Xutil.h>
|
||||
#include <X11/Xos.h>
|
||||
#include <X11/Xatom.h>
|
||||
#include <X11/keysym.h>
|
||||
#include <X11/Xft/Xft.h>
|
||||
#include <X11/extensions/Xrender.h>
|
||||
#include <X11/extensions/XInput.h>
|
||||
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <dev/wscons/wsconsio.h>
|
||||
|
||||
#include <err.h>
|
||||
#include <ctype.h>
|
||||
#include <stdio.h>
|
||||
#include <termios.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include <ws-properties.h>
|
||||
|
||||
#define FONT_NAME "mono"
|
||||
#define FONT_SIZE 14
|
||||
@ -52,6 +69,16 @@
|
||||
#define PromptText "black"
|
||||
#define Error "red"
|
||||
|
||||
#define INVALID_EVENT_TYPE -1
|
||||
|
||||
static int motion_type = INVALID_EVENT_TYPE;
|
||||
static int button_press_type = INVALID_EVENT_TYPE;
|
||||
static int button_release_type = INVALID_EVENT_TYPE;
|
||||
static int proximity_in_type = INVALID_EVENT_TYPE;
|
||||
static int proximity_out_type = INVALID_EVENT_TYPE;
|
||||
|
||||
Atom prop_calibration, prop_swap;
|
||||
|
||||
/* where the calibration points are placed */
|
||||
#define SCREEN_DIVIDE 16
|
||||
#define SCREEN_MAX 0x800
|
||||
@ -70,11 +97,13 @@ XftColor cross, errorColor, promptColor, bg;
|
||||
XftDraw *draw;
|
||||
unsigned int width, height; /* window size */
|
||||
char *progname;
|
||||
int evfd;
|
||||
|
||||
int cx[5], cy[5];
|
||||
int x[5], y[5];
|
||||
|
||||
struct { int minx, maxx, miny, maxy, swapxy, resx, resy; } calib, old_calib;
|
||||
Bool old_swap;
|
||||
|
||||
static char *prompt_message[] = {
|
||||
"TOUCH SCREEN CALIBRATION",
|
||||
"Press on the cross hairs please...",
|
||||
@ -87,48 +116,12 @@ static char *error_message[] = {
|
||||
NULL
|
||||
};
|
||||
|
||||
void
|
||||
get_events(int i)
|
||||
{
|
||||
ssize_t len;
|
||||
int down;
|
||||
struct wscons_event ev;
|
||||
|
||||
down = 0;
|
||||
x[i] = y[i] = -1;
|
||||
while (down || x[i] == -1 || y[i] == -1) {
|
||||
len = read(evfd, &ev, sizeof(ev));
|
||||
if (len != 16)
|
||||
break;
|
||||
switch (ev.type) {
|
||||
case WSCONS_EVENT_MOUSE_DOWN:
|
||||
down = 1;
|
||||
break;
|
||||
case WSCONS_EVENT_MOUSE_UP:
|
||||
down = 0;
|
||||
break;
|
||||
case WSCONS_EVENT_MOUSE_ABSOLUTE_X:
|
||||
if (down)
|
||||
x[i] = ev.value;
|
||||
break;
|
||||
case WSCONS_EVENT_MOUSE_ABSOLUTE_Y:
|
||||
if (down)
|
||||
y[i] = ev.value;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
cleanup_exit()
|
||||
{
|
||||
XUngrabServer(display);
|
||||
XUngrabKeyboard(display, CurrentTime);
|
||||
XCloseDisplay(display);
|
||||
close(evfd);
|
||||
}
|
||||
|
||||
void
|
||||
@ -232,7 +225,7 @@ draw_graphics(int i, int j, int n)
|
||||
}
|
||||
|
||||
Cursor
|
||||
create_empty_cursor()
|
||||
create_empty_cursor(void)
|
||||
{
|
||||
char nothing[] = {0};
|
||||
XColor nullcolor;
|
||||
@ -246,35 +239,249 @@ create_empty_cursor()
|
||||
return mcyursor;
|
||||
}
|
||||
|
||||
XDeviceInfo*
|
||||
find_device_info(char *name)
|
||||
{
|
||||
XDeviceInfo *devices;
|
||||
XDeviceInfo *found = NULL;
|
||||
int i;
|
||||
int num_devices, num_found;
|
||||
Bool is_id = True;
|
||||
XID id = (XID)-1;
|
||||
const char *errstr;
|
||||
|
||||
devices = XListInputDevices(display, &num_devices);
|
||||
|
||||
if (name != NULL) {
|
||||
for(i = 0; i < strlen(name); i++) {
|
||||
if (!isdigit(name[i])) {
|
||||
is_id = False;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (is_id) {
|
||||
id = strtonum(name, 0, num_devices - 1, &errstr);
|
||||
if (errstr != NULL) {
|
||||
fprintf(stderr, "Invalid device id %s: %s\n",
|
||||
name, errstr);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
num_found = 0;
|
||||
for(i = 0; i < num_devices; i++) {
|
||||
if (devices[i].use != IsXExtensionPointer)
|
||||
continue;
|
||||
if (name == NULL) {
|
||||
found = &devices[i];
|
||||
num_found++;
|
||||
continue;
|
||||
}
|
||||
if ((!is_id && strcmp(devices[i].name, name) == 0) ||
|
||||
(is_id && devices[i].id == id)) {
|
||||
found = &devices[i];
|
||||
num_found++;
|
||||
}
|
||||
}
|
||||
if (num_found > 1) {
|
||||
fprintf(stderr,
|
||||
"Error: found multiple matching devices.\n"
|
||||
"To ensure the correct one is selected, please use "
|
||||
"the device ID instead.\n");
|
||||
return NULL;
|
||||
}
|
||||
return found;
|
||||
}
|
||||
|
||||
static int
|
||||
register_events(XDeviceInfo *info, XDevice *device,
|
||||
char *dev_name, Bool handle_proximity)
|
||||
{
|
||||
int number = 0; /* number of events registered */
|
||||
XEventClass event_list[7];
|
||||
int i;
|
||||
unsigned long screen;
|
||||
XInputClassInfo *ip;
|
||||
|
||||
screen = DefaultScreen(display);
|
||||
|
||||
if (!device) {
|
||||
fprintf(stderr, "unable to open device %s\n", dev_name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (device->num_classes > 0) {
|
||||
for (ip = device->classes, i=0; i<info->num_classes;
|
||||
ip++, i++) {
|
||||
switch (ip->input_class) {
|
||||
case ButtonClass:
|
||||
DeviceButtonPress(device, button_press_type,
|
||||
event_list[number]);
|
||||
number++;
|
||||
DeviceButtonRelease(device,
|
||||
button_release_type, event_list[number]);
|
||||
number++;
|
||||
break;
|
||||
|
||||
case ValuatorClass:
|
||||
DeviceMotionNotify(device, motion_type,
|
||||
event_list[number]); number++;
|
||||
if (handle_proximity) {
|
||||
ProximityIn(device, proximity_in_type,
|
||||
event_list[number]); number++;
|
||||
ProximityOut(device,
|
||||
proximity_out_type,
|
||||
event_list[number]); number++;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
fprintf(stderr, "unknown class\n");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (XSelectExtensionEvent(display, root, event_list, number)) {
|
||||
fprintf(stderr, "error selecting extended events\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return number;
|
||||
}
|
||||
|
||||
static void
|
||||
get_events(int i)
|
||||
{
|
||||
XEvent Event;
|
||||
XDeviceMotionEvent *motion = (XDeviceMotionEvent *) &Event;
|
||||
int j, a;
|
||||
|
||||
x[i] = y[i] = -1;
|
||||
while (1) {
|
||||
XNextEvent(display, &Event);
|
||||
|
||||
if (Event.type == motion_type) {
|
||||
for (j = 0; j < motion->axes_count; j++) {
|
||||
a = motion->first_axis + j;
|
||||
switch (a) {
|
||||
case 0:
|
||||
x[i] = motion->axis_data[j];
|
||||
break;
|
||||
case 1:
|
||||
y[i] = motion->axis_data[j];
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr,
|
||||
"unknown axis %d\n", a);
|
||||
}
|
||||
}
|
||||
} else if (Event.type == button_release_type) {
|
||||
if (x[i] != -1 && y[i] != -1)
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
uncalibrate(XDevice *device)
|
||||
{
|
||||
Atom type;
|
||||
int format;
|
||||
unsigned long nitems, nbytes;
|
||||
long values[4] = { 0, 32767, 0, 32767 }; /* uncalibrated */
|
||||
Bool swap = 0;
|
||||
unsigned char *retval;
|
||||
|
||||
/* Save old values */
|
||||
XGetDeviceProperty(display, device, prop_calibration, 0,
|
||||
4, False, XA_INTEGER, &type, &format, &nitems,
|
||||
&nbytes, &retval);
|
||||
|
||||
if (type != XA_INTEGER) {
|
||||
fprintf(stderr, WS_PROP_CALIBRATION " isn't integer\n");
|
||||
return -1;
|
||||
}
|
||||
if (nitems != 4 && nitems != 0) {
|
||||
fprintf(stderr, WS_PROP_CALIBRATION " bad number of items\n");
|
||||
return -1;
|
||||
}
|
||||
old_calib.minx = *(long *)retval;
|
||||
old_calib.maxx = *((long *)retval + 1);
|
||||
old_calib.miny = *((long *)retval + 2);
|
||||
old_calib.maxy = *((long *)retval + 3);
|
||||
|
||||
XFree(retval);
|
||||
|
||||
XGetDeviceProperty(display, device, prop_swap, 0,
|
||||
1, False, XA_INTEGER, &type, &format, &nitems,
|
||||
&nbytes, &retval);
|
||||
old_swap = *(Bool *)retval;
|
||||
XFree(retval);
|
||||
|
||||
/* Force uncalibrated state */
|
||||
XChangeDeviceProperty(display, device, prop_calibration,
|
||||
XA_INTEGER, 32, PropModeReplace, (unsigned char *)values, 4);
|
||||
XChangeDeviceProperty(display, device, prop_swap,
|
||||
XA_INTEGER, 8, PropModeReplace, (unsigned char *)&swap, 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
main(int argc, char *argv[], char *env[])
|
||||
{
|
||||
char *display_name = NULL;
|
||||
XSetWindowAttributes xswa;
|
||||
int i = 0, orawmode;
|
||||
int i = 0;
|
||||
double a, a1, a2, b, b1, b2, xerr, yerr;
|
||||
struct wsmouse_calibcoords wmcoords;
|
||||
extern char *__progname;
|
||||
int xi_opcode, event, error;
|
||||
XExtensionVersion *version;
|
||||
XDeviceInfo *info;
|
||||
XDevice *device;
|
||||
long calib_data[4];
|
||||
unsigned char swap;
|
||||
|
||||
/* Crosshair placement */
|
||||
int cpx[] = { 0, 0, 1, 1, 1 };
|
||||
int cpy[] = { 0, 1, 0, 0, 1 };
|
||||
|
||||
if (argc != 2) {
|
||||
fprintf(stderr, "usage: %s <device>\n", __progname);
|
||||
if (argc != 1 && argc != 2) {
|
||||
fprintf(stderr, "usage: %s [device]\n", argv[0]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if ((evfd = open(argv[1], O_RDONLY)) == -1)
|
||||
err(1, "open()");
|
||||
|
||||
/* connect to X server */
|
||||
if ((display = XOpenDisplay(display_name)) == NULL) {
|
||||
fprintf(stderr, "%s: cannot connect to X server %s\n",
|
||||
progname, XDisplayName(display_name));
|
||||
close(evfd);
|
||||
exit(1);
|
||||
}
|
||||
if (!XQueryExtension(display, INAME, &xi_opcode,
|
||||
&event, &error)) {
|
||||
fprintf(stderr, "X Input extension not available.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
version = XGetExtensionVersion(display, INAME);
|
||||
if (version == NULL ||
|
||||
version == (XExtensionVersion *)NoSuchExtension) {
|
||||
fprintf(stderr, "Cannot query X Input version.\n");
|
||||
exit(1);
|
||||
}
|
||||
XFree(version);
|
||||
info = find_device_info(argv[1]);
|
||||
if (info == NULL) {
|
||||
fprintf(stderr, "Unable to find device %s\n", argv[1]);
|
||||
exit(1);
|
||||
}
|
||||
if (info->use != IsXPointer && info->use != IsXExtensionPointer) {
|
||||
fprintf(stderr, "%s is not an X pointer device", info->name);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
screen = DefaultScreen(display);
|
||||
root = RootWindow(display, screen);
|
||||
|
||||
@ -301,15 +508,23 @@ main(int argc, char *argv[], char *env[])
|
||||
|
||||
XClearWindow(display, win);
|
||||
|
||||
if (ioctl(evfd, WSMOUSEIO_GCALIBCOORDS, &wmcoords) < 0)
|
||||
err(1, "WSMOUSEIO_GCALIBCOORDS");
|
||||
device = XOpenDevice(display, info->id);
|
||||
if (!register_events(info, device, argv[1], 0))
|
||||
exit(1);
|
||||
|
||||
orawmode = wmcoords.samplelen;
|
||||
wmcoords.samplelen = 1;
|
||||
|
||||
if (ioctl(evfd, WSMOUSEIO_SCALIBCOORDS, &wmcoords) < 0)
|
||||
err(1, "WSMOUSEIO_SCALIBCOORDS");
|
||||
prop_calibration = XInternAtom(display, WS_PROP_CALIBRATION, True);
|
||||
if (prop_calibration == None) {
|
||||
fprintf(stderr, "cannot find atom %s\n", WS_PROP_CALIBRATION);
|
||||
exit(1);
|
||||
}
|
||||
prop_swap = XInternAtom(display, WS_PROP_SWAP_AXES, True);
|
||||
if (prop_swap == None) {
|
||||
fprintf(stderr, "cannot find atom %s\n", WS_PROP_SWAP_AXES);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
uncalibrate(device);
|
||||
calib:
|
||||
XftDrawRect(draw, &bg, 0, 0, width, height);
|
||||
|
||||
@ -322,7 +537,9 @@ calib:
|
||||
|
||||
/* Check if X and Y should be swapped */
|
||||
if (fabs(x[0] - x[1]) > fabs(y[0] - y[1])) {
|
||||
wmcoords.swapxy = 1;
|
||||
|
||||
calib.swapxy = 1;
|
||||
|
||||
for (i = 0; i < 5; i++) {
|
||||
int t = x[i];
|
||||
x[i] = y[i];
|
||||
@ -345,8 +562,8 @@ calib:
|
||||
fabs(xerr));
|
||||
goto err;
|
||||
}
|
||||
wmcoords.minx = (int) (b + 0.5);
|
||||
wmcoords.maxx = (int) (a * width + b + 0.5);
|
||||
calib.minx = (int) (b + 0.5);
|
||||
calib.maxx = (int) (a * width + b + 0.5);
|
||||
|
||||
/* get touch pad resolution to screen resolution ratio */
|
||||
a1 = (double) (y[4] - y[0]) / (double) (cy[4] - cy[0]);
|
||||
@ -363,23 +580,36 @@ calib:
|
||||
fabs(yerr));
|
||||
goto err;
|
||||
}
|
||||
wmcoords.miny = (int) (b + 0.5);
|
||||
wmcoords.maxy = (int) (a * height + b + 0.5);
|
||||
calib.miny = (int) (b + 0.5);
|
||||
calib.maxy = (int) (a * height + b + 0.5);
|
||||
|
||||
XFlush(display);
|
||||
|
||||
wmcoords.samplelen = orawmode;
|
||||
wmcoords.resx = width;
|
||||
wmcoords.resy = height;
|
||||
calib.resx = width;
|
||||
calib.resy = height;
|
||||
|
||||
if (ioctl(evfd, WSMOUSEIO_SCALIBCOORDS, &wmcoords) < 0)
|
||||
err(1, "WSMOUSEIO_SCALIBCOORDS");
|
||||
/* Send new values to the X server */
|
||||
calib_data[0] = calib.minx;
|
||||
calib_data[1] = calib.maxx;
|
||||
calib_data[2] = calib.miny;
|
||||
calib_data[3] = calib.maxy;
|
||||
XChangeDeviceProperty(display, device, prop_calibration,
|
||||
XA_INTEGER, 32, PropModeReplace, (unsigned char *)calib_data, 4);
|
||||
|
||||
swap = calib.swapxy;
|
||||
XChangeDeviceProperty(display, device, prop_swap,
|
||||
XA_INTEGER, 8, PropModeReplace, (unsigned char *)&swap, 1);
|
||||
|
||||
XCloseDevice(display, device);
|
||||
|
||||
XCloseDisplay(display);
|
||||
|
||||
/* And print them for storage in wsconsctl.conf */
|
||||
printf("mouse.scale=%d,%d,%d,%d,%d,%d,%d\n",
|
||||
wmcoords.minx, wmcoords.maxx,
|
||||
wmcoords.miny, wmcoords.maxy,
|
||||
wmcoords.swapxy,
|
||||
wmcoords.resx, wmcoords.resy);
|
||||
calib.minx, calib.maxx,
|
||||
calib.miny, calib.maxy,
|
||||
calib.swapxy,
|
||||
calib.resx, calib.resy);
|
||||
|
||||
return 0;
|
||||
err:
|
||||
|
Loading…
Reference in New Issue
Block a user