/*
* Copyright (C) 2009 Red Hat, Inc.
* Copyright (C) 2012 Collabora Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope 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 program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* Boston, MA 02111-1307, USA.
*
*/
#include <clutter/clutter.h>
#if defined CLUTTER_WINDOWING_X11 && OS_LINUX && HAVE_XINPUT_2_2
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
#include <linux/input.h>
#include <linux/uinput.h>
#include <dlfcn.h>
#include <clutter/x11/clutter-x11.h>
#define ABS_MAX_X 32768
#define ABS_MAX_Y 32768
#define TOUCH_POINTS 10
static ClutterPoint gesture_points[] = {
{ 100., 100. },
{ 110., 100. },
{ 120., 100. },
{ 130., 100. },
{ 140., 100. },
{ 150., 100. },
{ 160., 100. },
{ 170., 100. },
{ 180., 100. },
{ 190., 100. },
};
typedef struct _State State;
struct _State
{
gboolean pass;
ClutterPoint gesture_points_to_check[TOUCH_POINTS];
int gesture_points;
};
static int fd = -1;
static void send_event(int fd, int type, int code, int value, int sec, int usec)
{
static int sec_offset = -1;
static long last_time = -1;
long newtime;
struct input_event event;
event.type = type;
event.code = code;
event.value = value;
if (sec_offset == -1)
sec_offset = sec;
sec -= sec_offset;
newtime = sec * 1000000 + usec;
if (last_time > 0)
usleep(newtime - last_time);
gettimeofday(&event.time, NULL);
if (write(fd, &event, sizeof(event)) < sizeof(event))
perror("Send event failed.");
last_time = newtime;
}
static gboolean
event_cb (ClutterActor *actor, ClutterEvent *event, State *state)
{
int i;
if (event->type != CLUTTER_TOUCH_BEGIN &&
event->type != CLUTTER_TOUCH_UPDATE)
return FALSE;
state->gesture_points_to_check[state->gesture_points].x = ceil (event->touch.x);
state->gesture_points_to_check[state->gesture_points].y = ceil (event->touch.y);
state->gesture_points++;
if (state->gesture_points == TOUCH_POINTS)
{
for (i = 0; i < TOUCH_POINTS; i++)
{
if (state->gesture_points_to_check[i].x != gesture_points[i].x ||
state->gesture_points_to_check[i].y != gesture_points[i].y)
{
if (g_test_verbose ())
g_print ("error: expected (%d, %d) but found (%d, %d) at position %d\n",
(int) gesture_points[i].x, (int) gesture_points[i].y,
(int) state->gesture_points_to_check[i].x,
(int) state->gesture_points_to_check[i].y,
i);
state->pass = FALSE;
break;
}
}
clutter_main_quit ();
}
return TRUE;
}
static void
screen_coords_to_device (int screen_x, int screen_y,
int *device_x, int *device_y)
{
int display_width = DisplayWidth (clutter_x11_get_default_display (),
clutter_x11_get_default_screen ());
int display_height = DisplayHeight (clutter_x11_get_default_display (),
clutter_x11_get_default_screen ());
*device_x = (screen_x * ABS_MAX_X) / display_width;
*device_y = (screen_y * ABS_MAX_Y) / display_height;
}
static gboolean
perform_gesture (gpointer data)
{
int i;
for (i = 0; i < TOUCH_POINTS; i++)
{
int x = gesture_points[i].x;
int y = gesture_points[i].y;
screen_coords_to_device (x, y, &x, &y);
send_event(fd, EV_ABS, ABS_MT_SLOT, 0, 1, i * 100);
send_event(fd, EV_ABS, ABS_MT_TRACKING_ID, 1, 1, i * 100 + 10);
send_event(fd, EV_ABS, ABS_MT_POSITION_X, x, 1, i * 100 + 20);
send_event(fd, EV_ABS, ABS_MT_POSITION_Y, y, 1, i * 100 + 30);
send_event(fd, EV_SYN, SYN_MT_REPORT, 0, 1, i * 100 + 40);
send_event(fd, EV_SYN, SYN_REPORT, 0, 1, i * 100 + 50);
}
send_event(fd, EV_ABS, ABS_MT_TRACKING_ID, -1, 1, TOUCH_POINTS * 100 + 10);
send_event(fd, EV_SYN, SYN_MT_REPORT, 0, 1, TOUCH_POINTS * 100 + 20);
send_event(fd, EV_SYN, SYN_REPORT, 0, 1, TOUCH_POINTS * 100 + 30);
return G_SOURCE_REMOVE;
}
static int
setup (struct uinput_user_dev *dev, int fd)
{
strcpy (dev->name, "eGalax Touch Screen");
dev->id.bustype = 0x18;
dev->id.vendor = 0xeef;
dev->id.product = 0x20;
dev->id.version = 0x1;
if (ioctl (fd, UI_SET_EVBIT, EV_SYN) == -1)
goto error;
if (ioctl (fd, UI_SET_EVBIT, EV_KEY) == -1)
goto error;
if (ioctl (fd, UI_SET_KEYBIT, BTN_TOUCH) == -1)
goto error;
if (ioctl (fd, UI_SET_EVBIT, EV_ABS) == -1)
goto error;
if (ioctl (fd, UI_SET_ABSBIT, ABS_X) == -1)
goto error;
else
{
int idx = ABS_X;
dev->absmin[idx] = 0;
dev->absmax[idx] = ABS_MAX_X;
dev->absfuzz[idx] = 1;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_Y) == -1)
goto error;
else
{
int idx = ABS_Y;
dev->absmin[idx] = 0;
dev->absmax[idx] = ABS_MAX_Y;
dev->absfuzz[idx] = 1;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_PRESSURE) == -1)
goto error;
else
{
int idx = ABS_PRESSURE;
dev->absmin[idx] = 0;
dev->absmax[idx] = 0;
dev->absfuzz[idx] = 0;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_TOUCH_MAJOR) == -1)
goto error;
else
{
int idx = ABS_MT_TOUCH_MAJOR;
dev->absmin[idx] = 0;
dev->absmax[idx] = 255;
dev->absfuzz[idx] = 1;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_WIDTH_MAJOR) == -1)
goto error;
else
{
int idx = ABS_MT_WIDTH_MAJOR;
dev->absmin[idx] = 0;
dev->absmax[idx] = 255;
dev->absfuzz[idx] = 1;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_POSITION_X) == -1)
goto error;
else
{
int idx = ABS_MT_POSITION_X;
dev->absmin[idx] = 0;
dev->absmax[idx] = ABS_MAX_X;
dev->absfuzz[idx] = 1;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_POSITION_Y) == -1)
goto error;
else
{
int idx = ABS_MT_POSITION_Y;
dev->absmin[idx] = 0;
dev->absmax[idx] = ABS_MAX_Y;
dev->absfuzz[idx] = 1;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_TRACKING_ID) == -1)
goto error;
else
{
int idx = ABS_MT_TRACKING_ID;
dev->absmin[idx] = 0;
dev->absmax[idx] = 5;
dev->absfuzz[idx] = 0;
dev->absflat[idx] = 0;
if (dev->absmin[idx] == dev->absmax[idx])
dev->absmax[idx]++;
}
return 0;
error:
perror ("ioctl failed.");
return -1;
}
static int
init_uinput (void)
{
struct uinput_user_dev dev;
fd = open ("/dev/uinput", O_RDWR);
if (fd < 0 && errno == ENODEV)
fd = open ("/dev/input/uinput", O_RDWR);
if (fd < 0)
{
if (g_test_verbose ())
perror ("open");
return 0;
};
memset (&dev, 0, sizeof (dev));
setup (&dev, fd);
if (write (fd, &dev, sizeof (dev)) < sizeof (dev))
{
if (g_test_verbose ())
perror ("write");
goto error;
}
if (ioctl (fd, UI_DEV_CREATE, NULL) == -1)
{
if (g_test_verbose ())
perror ("ioctl");
goto error;
}
return 1;
error:
if (fd != -1)
close (fd);
return 0;
}
#endif /* defined CLUTTER_WINDOWING_X11 && OS_LINUX && HAVE_XINPUT_2_2 */
static void
events_touch (void)
{
#if defined CLUTTER_WINDOWING_X11 && OS_LINUX && HAVE_XINPUT_2_2
ClutterActor *stage;
State state;
/* bail out if we could not initialize evdev */
if (!init_uinput ())
return;
state.pass = TRUE;
state.gesture_points = 0;
stage = clutter_test_get_stage ();
g_signal_connect (stage, "event", G_CALLBACK (event_cb), &state);
clutter_stage_set_fullscreen (CLUTTER_STAGE (stage), TRUE);
clutter_actor_show (stage);
clutter_threads_add_timeout (500, perform_gesture, &state);
clutter_main ();
if (g_test_verbose ())
g_print ("end result: %s\n", state.pass ? "pass" : "FAIL");
g_assert (state.pass);
#endif /* defined CLUTTER_WINDOWING_X11 && OS_LINUX && HAVE_XINPUT_2_2 */
}
CLUTTER_TEST_SUITE (
CLUTTER_TEST_UNIT ("/events/touch", events_touch)
)