END_TEST
START_TEST(test_uinput_check_syspath_time)
{
struct libevdev *dev;
struct libevdev_uinput *uidev, *uidev2;
const char *syspath, *syspath2;
int fd, fd2;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
fd2 = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd2, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
/* sleep for 1.5 seconds. sysfs resolution is 1 second, so
creating both devices without delay means
libevdev_uinput_get_syspath can't actually differ between
them. By waiting, we get different ctime for uidev and uidev2,
and exercise that part of the code.
*/
usleep(1500000);
/* create a second one to test the syspath time filtering code */
rc = libevdev_uinput_create_from_device(dev, fd2, &uidev2);
ck_assert_int_eq(rc, 0);
syspath = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath != NULL);
/* get syspath twice returns same pointer */
syspath2 = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath == syspath2);
/* second dev has different syspath */
syspath2 = libevdev_uinput_get_syspath(uidev2);
ck_assert(strcmp(syspath, syspath2) != 0);
libevdev_free(dev);
libevdev_uinput_destroy(uidev);
libevdev_uinput_destroy(uidev2);
close(fd);
close(fd2);
}
END_TEST
START_TEST(test_uinput_check_syspath_name)
{
struct libevdev *dev;
struct libevdev_uinput *uidev, *uidev2;
const char *syspath, *syspath2;
int fd, fd2;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
fd2 = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd2, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
/* create a second one to stress the syspath filtering code */
libevdev_set_name(dev, TEST_DEVICE_NAME " 2");
rc = libevdev_uinput_create_from_device(dev, fd2, &uidev2);
ck_assert_int_eq(rc, 0);
syspath = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath != NULL);
/* get syspath twice returns same pointer */
syspath2 = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath == syspath2);
/* second dev has different syspath */
syspath2 = libevdev_uinput_get_syspath(uidev2);
ck_assert(strcmp(syspath, syspath2) != 0);
libevdev_free(dev);
libevdev_uinput_destroy(uidev);
libevdev_uinput_destroy(uidev2);
close(fd);
close(fd2);
}
END_TEST
START_TEST(test_uinput_events)
{
struct libevdev *dev;
struct libevdev_uinput *uidev;
int fd, fd2;
int rc;
const char *devnode;
int i;
const int nevents = 5;
struct input_event events[] = { {{0, 0}, EV_REL, REL_X, 1},
{{0, 0}, EV_REL, REL_Y, -1},
{{0, 0}, EV_SYN, SYN_REPORT, 0},
{{0, 0}, EV_KEY, BTN_LEFT, 1},
{{0, 0}, EV_SYN, SYN_REPORT, 0}};
struct input_event events_read[nevents];
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_type(dev, EV_KEY);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_enable_event_code(dev, EV_KEY, BTN_LEFT, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd2 = open(devnode, O_RDONLY);
for (i = 0; i < nevents; i++)
libevdev_uinput_write_event(uidev, events[i].type, events[i].code, events[i].value);
rc = read(fd2, events_read, sizeof(events_read));
ck_assert_int_eq(rc, sizeof(events_read));
for (i = 0; i < nevents; i++) {
ck_assert_int_eq(events[i].type, events_read[i].type);
ck_assert_int_eq(events[i].code, events_read[i].code);
ck_assert_int_eq(events[i].value, events_read[i].value);
}
libevdev_free(dev);
libevdev_uinput_destroy(uidev);
close(fd);
close(fd2);
}
END_TEST
START_TEST(test_uinput_create_device_from_fd)
{
struct libevdev *dev, *dev2;
struct libevdev_uinput *uidev;
int fd, fd2;
unsigned int type, code;
int rc;
const char *devnode;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
ck_assert_int_eq(libevdev_uinput_get_fd(uidev), fd);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd2 = open(devnode, O_RDONLY);
ck_assert_int_gt(fd2, -1);
rc = libevdev_new_from_fd(fd2, &dev2);
ck_assert_int_eq(rc, 0);
for (type = 0; type < EV_CNT; type++) {
int max = libevdev_event_type_get_max(type);
if (max == -1)
continue;
for (code = 0; code < max; code++) {
ck_assert_int_eq(libevdev_has_event_code(dev, type, code),
libevdev_has_event_code(dev2, type, code));
}
}
libevdev_free(dev);
libevdev_free(dev2);
libevdev_uinput_destroy(uidev);
close(fd);
close(fd2);
}
FTNoIR_Protocol::FTNoIR_Protocol() : dev(NULL), uidev(NULL)
{
int error = 0;
dev = libevdev_new();
if (!dev)
goto error;
CHECK_LIBEVDEV(libevdev_enable_property(dev, INPUT_PROP_BUTTONPAD));
libevdev_set_name(dev, "opentrack headpose");
struct input_absinfo absinfo;
absinfo.minimum = min_input;
absinfo.maximum = max_input;
absinfo.resolution = 1;
absinfo.value = mid_input;
absinfo.flat = 1;
absinfo.fuzz = 0;
CHECK_LIBEVDEV(libevdev_enable_event_type(dev, EV_ABS));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_X, &absinfo));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_Y, &absinfo));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_Z, &absinfo));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_RX, &absinfo));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_RY, &absinfo));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_RZ, &absinfo));
/* do not remove next 3 lines or udev scripts won't assign 0664 permissions -sh */
CHECK_LIBEVDEV(libevdev_enable_event_type(dev, EV_KEY));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_KEY, BTN_JOYSTICK, NULL));
CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_KEY, BTN_TRIGGER, NULL));
CHECK_LIBEVDEV(libevdev_uinput_create_from_device(dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &uidev));
return;
error:
if (uidev)
libevdev_uinput_destroy(uidev);
if (dev)
libevdev_free(dev);
if (error)
fprintf(stderr, "libevdev error: %d\n", error);
uidev = NULL;
dev = NULL;
}
int main(int argc, char *argv[])
{
libevdev_uinput *m_uinputDev=nullptr;
libevdev *evdev=libevdev_new();
libevdev_set_name(evdev, "UnifiedKeyboardCombo virtual keyboard");
libevdev_set_id_vendor(evdev,120);
libevdev_set_id_product(evdev,240);
libevdev_set_id_bustype(evdev,BUS_USB);
libevdev_enable_event_type(evdev, EV_KEY);
//enable all key events
libevdev_enable_event_code(evdev,EV_KEY,KEY_W,nullptr);
int rc=libevdev_uinput_create_from_device(evdev,LIBEVDEV_UINPUT_OPEN_MANAGED,
&m_uinputDev);
//libevdev_free(evdev);
if(rc<0){
return -1;
}
libevdev_uinput_write_event(m_uinputDev,EV_KEY,KEY_W,1);
libevdev_uinput_write_event(m_uinputDev,EV_SYN,SYN_REPORT,0);
libevdev_uinput_write_event(m_uinputDev,EV_KEY,KEY_W,0);
libevdev_uinput_write_event(m_uinputDev,EV_SYN,SYN_REPORT,0);
libevdev_uinput_write_event(m_uinputDev,EV_KEY,KEY_W,1);
libevdev_uinput_write_event(m_uinputDev,EV_SYN,SYN_REPORT,0);
libevdev_uinput_write_event(m_uinputDev,EV_KEY,KEY_W,0);
libevdev_uinput_write_event(m_uinputDev,EV_SYN,SYN_REPORT,0);
libevdev_uinput_destroy(m_uinputDev);
}
END_TEST
START_TEST(test_uinput_properties)
{
struct libevdev *dev, *dev2;
struct libevdev_uinput *uidev;
int fd;
int rc;
const char *devnode;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_type(dev, EV_KEY);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_enable_event_code(dev, EV_KEY, BTN_LEFT, NULL);
libevdev_enable_property(dev, INPUT_PROP_BUTTONPAD);
libevdev_enable_property(dev, INPUT_PROP_MAX);
rc = libevdev_uinput_create_from_device(dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd = open(devnode, O_RDONLY);
ck_assert_int_gt(fd, -1);
rc = libevdev_new_from_fd(fd, &dev2);
ck_assert_int_eq(rc, 0);
ck_assert(libevdev_has_property(dev2, INPUT_PROP_BUTTONPAD));
ck_assert(libevdev_has_property(dev2, INPUT_PROP_MAX));
libevdev_free(dev);
libevdev_free(dev2);
libevdev_uinput_destroy(uidev);
close(fd);
}
int main(int argc, char **argv)
{
struct libevdev *dev = NULL;
struct libevdev_uinput *uidev = NULL;
int fd, ret;
if (argc < 2){
fprintf(stderr, "Usage: %s <event device>\n", argv[0]);
return 1;
}
//open the event device file descriptor
fd = open(argv[1], O_RDONLY);
if (fd < 0) {perror("Failed to open device"); return fd;}
//create a libevdev device from the event file descriptor
ret = libevdev_new_from_fd(fd, &dev);
if (ret < 0) {perror("Failed to create libevdev device"); return ret;}
//create a device connected to the virtual device interface /dev/uinput
ret = libevdev_uinput_create_from_device(
dev,
LIBEVDEV_UINPUT_OPEN_MANAGED,
&uidev);
if (ret < 0) {perror("Failed to create uinput device"); return ret;}
sleep(1);
//EVIOCGRAB the event, this means no other client will receive the events from the device, including your window manager.
// "This is generally a bad idea. Don't do this." - libevdev documentation
//We need to do this to avoid douplicate keyboard events.
ret = libevdev_grab(dev, LIBEVDEV_GRAB);
//start the interceptor and never return
intercept(uidev, dev);
libevdev_uinput_destroy(uidev);
libevdev_grab(dev, LIBEVDEV_UNGRAB);
libevdev_free(dev);
return ret;
}
END_TEST
START_TEST(test_uinput_create_device_invalid)
{
struct libevdev *dev;
struct libevdev_uinput *uidev = NULL;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_set_log_function(test_logfunc_ignore_error, NULL);
rc = libevdev_uinput_create_from_device(dev, -1, &uidev);
ck_assert_int_eq(rc, -EBADF);
ck_assert(uidev == NULL);
libevdev_set_log_function(test_logfunc_abort_on_error, NULL);
libevdev_free(dev);
}