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path: get ID_SEAT and WL_SEAT from udev for the device node

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2014-01-21 12:03:47 +10:00
parent 2b4761b94a
commit f5bc28b31a
2 changed files with 32 additions and 14 deletions
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45
src/path.c
View file

@ -29,6 +29,9 @@
#include "path.h"
#include "evdev.h"
static const char default_seat[] = "seat0";
static const char default_seat_name[] = "default";
int path_input_process_event(struct libinput_event);
static void path_seat_destroy(struct libinput_seat *seat);
@ -61,7 +64,9 @@ path_seat_destroy(struct libinput_seat *seat)
}
static struct path_seat*
path_seat_create(struct path_input *input)
path_seat_create(struct path_input *input,
const char *seat_name,
const char *seat_logical_name)
{
struct path_seat *seat;
@ -69,22 +74,24 @@ path_seat_create(struct path_input *input)
if (!seat)
return NULL;
seat->name = "default";
/* FIXME: get physical seat from udev */
libinput_seat_init(&seat->base, &input->base, seat->name, seat->name, path_seat_destroy);
libinput_seat_init(&seat->base, &input->base, seat_name,
seat_logical_name, path_seat_destroy);
list_insert(&input->base.seat_list, &seat->base.link);
return seat;
}
static char *
path_get_sysname(const char *path)
static int
path_get_udev_properties(const char *path,
char **syspath,
char **seat_name,
char **seat_logical_name)
{
struct udev *udev = NULL;
struct udev_device *device = NULL;
struct stat st;
char *syspath = NULL;
const char *seat;
int rc = -1;
udev = udev_new();
if (!udev)
@ -97,13 +104,22 @@ path_get_sysname(const char *path)
if (!device)
goto out;
syspath = strdup(udev_device_get_syspath(device));
*syspath = strdup(udev_device_get_syspath(device));
seat = udev_device_get_property_value(device, "ID_SEAT");
*seat_name = strdup(seat ? seat : default_seat);
seat = udev_device_get_property_value(device, "WL_SEAT");
*seat_logical_name = strdup(seat ? seat : default_seat_name);
rc = 0;
out:
if (device)
udev_device_unref(device);
if (udev)
udev_unref(udev);
return syspath;
return rc;
}
static int
@ -115,6 +131,7 @@ path_input_enable(struct libinput *libinput)
const char *devnode = input->path;
char *syspath;
int fd;
char *seat_name, *seat_logical_name;
if (input->device)
return 0;
@ -125,14 +142,16 @@ path_input_enable(struct libinput *libinput)
return -1;
}
syspath = path_get_sysname(devnode);
if (!syspath) {
if (path_get_udev_properties(devnode, &syspath,
&seat_name, &seat_logical_name) == -1) {
close_restricted(libinput, fd);
log_info("failed to obtain syspath for device '%s'.\n", devnode);
return -1;
}
seat = path_seat_create(input);
seat = path_seat_create(input, seat_name, seat_logical_name);
free(seat_name);
free(seat_logical_name);
device = evdev_device_create(&seat->base, devnode, syspath, fd);
free(syspath);

1
src/path.h
View file

@ -34,7 +34,6 @@ struct path_input {
struct path_seat {
struct libinput_seat base;
const char *name;
};
int path_input_process_event(struct libinput_event);