static int
device_added(struct udev_device *udev_device, struct udev_input *input)
{
struct weston_compositor *c;
struct evdev_device *device;
struct weston_output *output;
const char *devnode;
const char *device_seat, *seat_name, *output_name;
const char *calibration_values;
int fd;
struct udev_seat *seat;
device_seat = udev_device_get_property_value(udev_device, "ID_SEAT");
if (!device_seat)
device_seat = default_seat;
if (strcmp(device_seat, input->seat_id))
return 0;
c = input->compositor;
devnode = udev_device_get_devnode(udev_device);
/* Search for matching logical seat */
seat_name = udev_device_get_property_value(udev_device, "WL_SEAT");
if (!seat_name)
seat_name = default_seat_name;
seat = udev_seat_get_named(c, seat_name);
if (seat == NULL)
return -1;
/* Use non-blocking mode so that we can loop on read on
* evdev_device_data() until all events on the fd are
* read. mtdev_get() also expects this. */
fd = weston_launcher_open(c->launcher, devnode, O_RDWR | O_NONBLOCK);
if (fd < 0) {
weston_log("opening input device '%s' failed.\n", devnode);
return 0;
}
device = evdev_device_create(&seat->base, devnode, fd);
if (device == EVDEV_UNHANDLED_DEVICE) {
weston_launcher_close(c->launcher, fd);
weston_log("not using input device '%s'.\n", devnode);
return 0;
} else if (device == NULL) {
weston_launcher_close(c->launcher, fd);
weston_log("failed to create input device '%s'.\n", devnode);
return 0;
}
calibration_values =
udev_device_get_property_value(udev_device,
"WL_CALIBRATION");
if (calibration_values && sscanf(calibration_values,
"%f %f %f %f %f %f",
&device->abs.calibration[0],
&device->abs.calibration[1],
&device->abs.calibration[2],
&device->abs.calibration[3],
&device->abs.calibration[4],
&device->abs.calibration[5]) == 6) {
device->abs.apply_calibration = 1;
weston_log ("Applying calibration: %f %f %f %f %f %f\n",
device->abs.calibration[0],
device->abs.calibration[1],
device->abs.calibration[2],
device->abs.calibration[3],
device->abs.calibration[4],
device->abs.calibration[5]);
}
wl_list_insert(seat->devices_list.prev, &device->link);
if (seat->base.output && seat->base.pointer)
weston_pointer_clamp(seat->base.pointer,
&seat->base.pointer->x,
&seat->base.pointer->y);
output_name = udev_device_get_property_value(udev_device, "WL_OUTPUT");
if (output_name) {
device->output_name = strdup(output_name);
wl_list_for_each(output, &c->output_list, link)
if (strcmp(output->name, device->output_name) == 0)
evdev_device_set_output(device, output);
} else if (device->output == NULL) {
static int
device_added(struct udev_device *udev_device, struct udev_seat *master)
{
struct weston_compositor *c;
struct evdev_device *device;
const char *devnode;
const char *device_seat;
const char *calibration_values;
int fd;
device_seat = udev_device_get_property_value(udev_device, "ID_SEAT");
if (!device_seat)
device_seat = default_seat;
if (strcmp(device_seat, master->seat_id))
return 0;
c = master->base.compositor;
devnode = udev_device_get_devnode(udev_device);
/* Use non-blocking mode so that we can loop on read on
* evdev_device_data() until all events on the fd are
* read. mtdev_get() also expects this. */
fd = weston_launcher_open(c, devnode, O_RDWR | O_NONBLOCK);
if (fd < 0) {
weston_log("opening input device '%s' failed.\n", devnode);
return -1;
}
device = evdev_device_create(&master->base, devnode, fd);
if (device == EVDEV_UNHANDLED_DEVICE) {
close(fd);
weston_log("not using input device '%s'.\n", devnode);
return 0;
} else if (device == NULL) {
close(fd);
weston_log("failed to create input device '%s'.\n", devnode);
return -1;
}
calibration_values =
udev_device_get_property_value(udev_device,
"WL_CALIBRATION");
if (calibration_values && sscanf(calibration_values,
"%f %f %f %f %f %f",
&device->abs.calibration[0],
&device->abs.calibration[1],
&device->abs.calibration[2],
&device->abs.calibration[3],
&device->abs.calibration[4],
&device->abs.calibration[5]) == 6) {
device->abs.apply_calibration = 1;
weston_log ("Applying calibration: %f %f %f %f %f %f\n",
device->abs.calibration[0],
device->abs.calibration[1],
device->abs.calibration[2],
device->abs.calibration[3],
device->abs.calibration[4],
device->abs.calibration[5]);
}
wl_list_insert(master->devices_list.prev, &device->link);
return 0;
}