2 * Copyright © 2011, 2012 Intel Corporation
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation for any purpose is hereby granted without fee, provided
6 * that the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of the copyright holders not be used in
9 * advertising or publicity pertaining to distribution of the software
10 * without specific, written prior permission. The copyright holders make
11 * no representations about the suitability of this software for any
12 * purpose. It is provided "as is" without express or implied warranty.
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
15 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
17 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
18 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 #include <linux/input.h>
27 #include <wayland-util.h>
31 enum evdev_event_type {
32 EVDEV_ABSOLUTE_MOTION = (1 << 0),
33 EVDEV_ABSOLUTE_MT_DOWN = (1 << 1),
34 EVDEV_ABSOLUTE_MT_MOTION = (1 << 2),
35 EVDEV_ABSOLUTE_MT_UP = (1 << 3),
36 EVDEV_RELATIVE_MOTION = (1 << 4),
40 enum evdev_device_capability {
41 EVDEV_KEYBOARD = (1 << 0),
42 EVDEV_BUTTON = (1 << 1),
43 EVDEV_MOTION_ABS = (1 << 2),
44 EVDEV_MOTION_REL = (1 << 3),
45 EVDEV_TOUCH = (1 << 4),
49 struct weston_seat *seat;
51 struct wl_event_source *source;
52 struct weston_output *output;
53 struct evdev_dispatch *dispatch;
58 int min_x, max_x, min_y, max_y;
73 enum evdev_event_type pending_events;
74 enum evdev_device_capability caps;
79 /* copied from udev/extras/input_id/input_id.c */
80 /* we must use this kernel-compatible implementation */
81 #define BITS_PER_LONG (sizeof(unsigned long) * 8)
82 #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
83 #define OFF(x) ((x)%BITS_PER_LONG)
84 #define BIT(x) (1UL<<OFF(x))
85 #define LONG(x) ((x)/BITS_PER_LONG)
86 #define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
89 #define EVDEV_UNHANDLED_DEVICE ((struct evdev_device *) 1)
91 struct evdev_dispatch;
93 struct evdev_dispatch_interface {
94 /* Process an evdev input event. */
95 void (*process)(struct evdev_dispatch *dispatch,
96 struct evdev_device *device,
97 struct input_event *event,
100 /* Destroy an event dispatch handler and free all its resources. */
101 void (*destroy)(struct evdev_dispatch *dispatch);
104 struct evdev_dispatch {
105 struct evdev_dispatch_interface *interface;
108 struct evdev_dispatch *
109 evdev_touchpad_create(struct evdev_device *device);
112 evdev_led_update(struct evdev_device *device, enum weston_led leds);
114 struct evdev_device *
115 evdev_device_create(struct weston_seat *seat, const char *path, int device_fd);
118 evdev_device_destroy(struct evdev_device *device);
121 evdev_notify_keyboard_focus(struct weston_seat *seat,
122 struct wl_list *evdev_devices);