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evdev: Add LED update hook

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Simply pushes the updated LEDs through to all keyboard attached to the
seat.

Signed-off-by: Daniel Stone <daniel@fooishbar.org>
This commit is contained in:
Daniel Stone 2012-05-30 16:31:49 +01:00 committed by Kristian Høgsberg
parent 33965c242d
commit 7bbd5b3335
1 changed files with 30 additions and 0 deletions
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30
src/evdev.c
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@ -33,6 +33,35 @@
#include "evdev-private.h"
#include "launcher-util.h"
static void
evdev_led_update(struct weston_seat *seat_base, enum weston_led leds)
{
static const struct {
enum weston_led weston;
int evdev;
} map[] = {
{ LED_NUM_LOCK, LED_NUML },
{ LED_CAPS_LOCK, LED_CAPSL },
{ LED_SCROLL_LOCK, LED_SCROLLL },
};
struct evdev_seat *seat = (struct evdev_seat *) seat_base;
struct evdev_input_device *device;
struct input_event ev[ARRAY_LENGTH(map)];
unsigned int i;
memset(ev, 0, sizeof(ev));
for (i = 0; i < ARRAY_LENGTH(map); i++) {
ev[i].type = EV_LED;
ev[i].code = map[i].evdev;
ev[i].value = !!(leds & map[i].weston);
}
wl_list_for_each(device, &seat->devices_list, link) {
if (device->caps & EVDEV_KEYBOARD)
write(device->fd, ev, sizeof *ev);
}
}
static inline void
evdev_process_key(struct evdev_input_device *device,
struct input_event *e, int time)
@ -691,6 +720,7 @@ evdev_input_create(struct weston_compositor *c, struct udev *udev,
memset(seat, 0, sizeof *seat);
weston_seat_init(&seat->base, c);
seat->base.led_update = evdev_led_update;
wl_list_init(&seat->devices_list);
seat->seat_id = strdup(seat_id);