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/*
* Copyright © 2011, 2012 Intel Corporation
*
* 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.
*/
#ifndef EVDEV_H
#define EVDEV_H
#include <linux/input.h>
#include <wayland-util.h>
#define MAX_SLOTS 16
enum evdev_event_type {
EVDEV_ABSOLUTE_MOTION = (1 << 0),
EVDEV_ABSOLUTE_MT_DOWN = (1 << 1),
EVDEV_ABSOLUTE_MT_MOTION = (1 << 2),
EVDEV_ABSOLUTE_MT_UP = (1 << 3),
EVDEV_RELATIVE_MOTION = (1 << 4),
EVDEV_SYN = (1 << 5),
};
enum evdev_device_capability {
EVDEV_KEYBOARD = (1 << 0),
EVDEV_BUTTON = (1 << 1),
EVDEV_MOTION_ABS = (1 << 2),
EVDEV_MOTION_REL = (1 << 3),
EVDEV_TOUCH = (1 << 4),
};
struct evdev_device {
struct weston_seat *seat;
struct wl_list link;
struct wl_event_source *source;
struct weston_output *output;
struct evdev_dispatch *dispatch;
char *devnode;
char *devname;
int fd;
struct {
int min_x, max_x, min_y, max_y;
int32_t x, y;
int apply_calibration;
float calibration[6];
} abs;
struct {
int slot;
int32_t x[MAX_SLOTS];
int32_t y[MAX_SLOTS];
} mt;
struct mtdev *mtdev;
struct {
wl_fixed_t dx, dy;
} rel;
enum evdev_event_type pending_events;
enum evdev_device_capability caps;
int is_mt;
};
/* copied from udev/extras/input_id/input_id.c */
/* we must use this kernel-compatible implementation */
#define BITS_PER_LONG (sizeof(unsigned long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x) ((x)%BITS_PER_LONG)
#define BIT(x) (1UL<<OFF(x))
#define LONG(x) ((x)/BITS_PER_LONG)
#define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
/* end copied */
#define EVDEV_UNHANDLED_DEVICE ((struct evdev_device *) 1)
struct evdev_dispatch;
struct evdev_dispatch_interface {
/* Process an evdev input event. */
void (*process)(struct evdev_dispatch *dispatch,
struct evdev_device *device,
struct input_event *event,
uint32_t time);
/* Destroy an event dispatch handler and free all its resources. */
void (*destroy)(struct evdev_dispatch *dispatch);
};
struct evdev_dispatch {
struct evdev_dispatch_interface *interface;
};
struct evdev_dispatch *
evdev_touchpad_create(struct evdev_device *device);
void
evdev_led_update(struct evdev_device *device, enum weston_led leds);
struct evdev_device *
evdev_device_create(struct weston_seat *seat, const char *path, int device_fd);
void
evdev_device_destroy(struct evdev_device *device);
void
evdev_notify_keyboard_focus(struct weston_seat *seat,
struct wl_list *evdev_devices);
#endif /* EVDEV_H */
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