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weston/src/libinput-device.c

388 lines
11 KiB

/*
* Copyright © 2010 Intel Corporation
* Copyright © 2013 Jonas Ådahl
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <linux/input.h>
#include <unistd.h>
#include <fcntl.h>
#include <mtdev.h>
#include <assert.h>
#include <libinput.h>
#include "compositor.h"
#include "libinput-device.h"
#define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
void
evdev_led_update(struct evdev_device *device, enum weston_led weston_leds)
{
enum libinput_led leds = 0;
if (weston_leds & LED_NUM_LOCK)
leds |= LIBINPUT_LED_NUM_LOCK;
if (weston_leds & LED_CAPS_LOCK)
leds |= LIBINPUT_LED_CAPS_LOCK;
if (weston_leds & LED_SCROLL_LOCK)
leds |= LIBINPUT_LED_SCROLL_LOCK;
libinput_device_led_update(device->device, leds);
}
static void
handle_keyboard_key(struct libinput_device *libinput_device,
struct libinput_event_keyboard *keyboard_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
notify_key(device->seat,
libinput_event_keyboard_get_time(keyboard_event),
libinput_event_keyboard_get_key(keyboard_event),
libinput_event_keyboard_get_key_state(keyboard_event),
STATE_UPDATE_AUTOMATIC);
}
static void
handle_pointer_motion(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
notify_motion(device->seat,
libinput_event_pointer_get_time(pointer_event),
libinput_event_pointer_get_dx(pointer_event),
libinput_event_pointer_get_dy(pointer_event));
}
static void
handle_pointer_motion_absolute(
struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
struct weston_output *output = device->output;
uint32_t time;
wl_fixed_t x, y;
uint32_t width, height;
if (!output)
return;
time = libinput_event_pointer_get_time(pointer_event);
width = device->output->current_mode->width;
height = device->output->current_mode->height;
x = libinput_event_pointer_get_absolute_x_transformed(pointer_event,
width);
y = libinput_event_pointer_get_absolute_y_transformed(pointer_event,
height);
weston_output_transform_coordinate(device->output, x, y, &x, &y);
notify_motion_absolute(device->seat, time, x, y);
}
static void
handle_pointer_button(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
notify_button(device->seat,
libinput_event_pointer_get_time(pointer_event),
libinput_event_pointer_get_button(pointer_event),
libinput_event_pointer_get_button_state(pointer_event));
}
static void
handle_pointer_axis(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
notify_axis(device->seat,
libinput_event_pointer_get_time(pointer_event),
libinput_event_pointer_get_axis(pointer_event),
libinput_event_pointer_get_axis_value(pointer_event));
}
static void
handle_touch_with_coords(struct libinput_device *libinput_device,
struct libinput_event_touch *touch_event,
int touch_type)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
wl_fixed_t x;
wl_fixed_t y;
uint32_t width, height;
uint32_t time;
int32_t slot;
if (!device->output)
return;
time = libinput_event_touch_get_time(touch_event);
slot = libinput_event_touch_get_seat_slot(touch_event);
width = device->output->current_mode->width;
height = device->output->current_mode->height;
x = libinput_event_touch_get_x_transformed(touch_event, width);
y = libinput_event_touch_get_y_transformed(touch_event, height);
weston_output_transform_coordinate(device->output,
x, y, &x, &y);
notify_touch(device->seat, time, slot, x, y, touch_type);
}
static void
handle_touch_down(struct libinput_device *device,
struct libinput_event_touch *touch_event)
{
handle_touch_with_coords(device, touch_event, WL_TOUCH_DOWN);
}
static void
handle_touch_motion(struct libinput_device *device,
struct libinput_event_touch *touch_event)
{
handle_touch_with_coords(device, touch_event, WL_TOUCH_MOTION);
}
static void
handle_touch_up(struct libinput_device *libinput_device,
struct libinput_event_touch *touch_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
uint32_t time = libinput_event_touch_get_time(touch_event);
int32_t slot = libinput_event_touch_get_seat_slot(touch_event);
notify_touch(device->seat, time, slot, 0, 0, WL_TOUCH_UP);
}
static void
handle_touch_frame(struct libinput_device *libinput_device,
struct libinput_event_touch *touch_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
struct weston_seat *seat = device->seat;
notify_touch_frame(seat);
}
int
evdev_device_process_event(struct libinput_event *event)
{
struct libinput_device *libinput_device =
libinput_event_get_device(event);
int handled = 1;
switch (libinput_event_get_type(event)) {
case LIBINPUT_EVENT_KEYBOARD_KEY:
handle_keyboard_key(libinput_device,
libinput_event_get_keyboard_event(event));
break;
case LIBINPUT_EVENT_POINTER_MOTION:
handle_pointer_motion(libinput_device,
libinput_event_get_pointer_event(event));
break;
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
handle_pointer_motion_absolute(
libinput_device,
libinput_event_get_pointer_event(event));
break;
case LIBINPUT_EVENT_POINTER_BUTTON:
handle_pointer_button(libinput_device,
libinput_event_get_pointer_event(event));
break;
case LIBINPUT_EVENT_POINTER_AXIS:
handle_pointer_axis(libinput_device,
libinput_event_get_pointer_event(event));
break;
case LIBINPUT_EVENT_TOUCH_DOWN:
handle_touch_down(libinput_device,
libinput_event_get_touch_event(event));
break;
case LIBINPUT_EVENT_TOUCH_MOTION:
handle_touch_motion(libinput_device,
libinput_event_get_touch_event(event));
break;
case LIBINPUT_EVENT_TOUCH_UP:
handle_touch_up(libinput_device,
libinput_event_get_touch_event(event));
break;
case LIBINPUT_EVENT_TOUCH_FRAME:
handle_touch_frame(libinput_device,
libinput_event_get_touch_event(event));
break;
default:
handled = 0;
weston_log("unknown libinput event %d\n",
libinput_event_get_type(event));
}
return handled;
}
static void
notify_output_destroy(struct wl_listener *listener, void *data)
{
struct evdev_device *device =
container_of(listener,
struct evdev_device, output_destroy_listener);
struct weston_compositor *c = device->seat->compositor;
struct weston_output *output;
if (!device->output_name && !wl_list_empty(&c->output_list)) {
output = container_of(c->output_list.next,
struct weston_output, link);
evdev_device_set_output(device, output);
} else {
device->output = NULL;
}
}
void
evdev_device_set_output(struct evdev_device *device,
struct weston_output *output)
{
if (device->output_destroy_listener.notify) {
wl_list_remove(&device->output_destroy_listener.link);
device->output_destroy_listener.notify = NULL;
}
device->output = output;
device->output_destroy_listener.notify = notify_output_destroy;
wl_signal_add(&output->destroy_signal,
&device->output_destroy_listener);
}
struct evdev_device *
evdev_device_create(struct libinput_device *libinput_device,
struct weston_seat *seat)
{
struct evdev_device *device;
device = zalloc(sizeof *device);
if (device == NULL)
return NULL;
device->seat = seat;
wl_list_init(&device->link);
device->device = libinput_device;
if (libinput_device_has_capability(libinput_device,
LIBINPUT_DEVICE_CAP_KEYBOARD)) {
weston_seat_init_keyboard(seat, NULL);
device->seat_caps |= EVDEV_SEAT_KEYBOARD;
}
if (libinput_device_has_capability(libinput_device,
LIBINPUT_DEVICE_CAP_POINTER)) {
weston_seat_init_pointer(seat);
device->seat_caps |= EVDEV_SEAT_POINTER;
}
if (libinput_device_has_capability(libinput_device,
LIBINPUT_DEVICE_CAP_TOUCH)) {
weston_seat_init_touch(seat);
device->seat_caps |= EVDEV_SEAT_TOUCH;
}
libinput_device_set_user_data(libinput_device, device);
libinput_device_ref(libinput_device);
return device;
}
void
evdev_device_destroy(struct evdev_device *device)
{
if (device->seat_caps & EVDEV_SEAT_POINTER)
weston_seat_release_pointer(device->seat);
if (device->seat_caps & EVDEV_SEAT_KEYBOARD)
weston_seat_release_keyboard(device->seat);
if (device->seat_caps & EVDEV_SEAT_TOUCH)
weston_seat_release_touch(device->seat);
if (device->output)
wl_list_remove(&device->output_destroy_listener.link);
wl_list_remove(&device->link);
libinput_device_unref(device->device);
free(device->devnode);
free(device->output_name);
free(device);
}
void
evdev_notify_keyboard_focus(struct weston_seat *seat,
struct wl_list *evdev_devices)
{
struct evdev_device *device;
struct wl_array keys;
unsigned int i, set;
char evdev_keys[(KEY_CNT + 7) / 8];
char all_keys[(KEY_CNT + 7) / 8];
uint32_t *k;
int ret;
if (!seat->keyboard_device_count > 0)
return;
memset(all_keys, 0, sizeof all_keys);
wl_list_for_each(device, evdev_devices, link) {
memset(evdev_keys, 0, sizeof evdev_keys);
ret = libinput_device_get_keys(device->device,
evdev_keys,
sizeof evdev_keys);
if (ret < 0) {
weston_log("failed to get keys for device %s\n",
device->devnode);
continue;
}
for (i = 0; i < ARRAY_LENGTH(evdev_keys); i++)
all_keys[i] |= evdev_keys[i];
}
wl_array_init(&keys);
for (i = 0; i < KEY_CNT; i++) {
set = all_keys[i >> 3] & (1 << (i & 7));
if (set) {
k = wl_array_add(&keys, sizeof *k);
*k = i;
}
}
notify_keyboard_focus_in(seat, &keys, STATE_UPDATE_AUTOMATIC);
wl_array_release(&keys);
}