2 * Copyright © 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
19 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 #ifndef EVDEV_PRIVATE_H
24 #define EVDEV_PRIVATE_H
26 #include <linux/input.h>
27 #include <wayland-util.h>
30 struct weston_seat base;
31 struct wl_list devices_list;
32 struct udev_monitor *udev_monitor;
33 struct wl_event_source *udev_monitor_source;
39 struct evdev_input_device {
40 struct evdev_seat *master;
42 struct wl_event_source *source;
43 struct weston_output *output;
44 struct evdev_dispatch *dispatch;
48 int min_x, max_x, min_y, max_y;
49 int old_x, old_y, reset_x, reset_y;
64 int type; /* event type flags */
66 int is_touchpad, is_mt;
69 /* event type flags */
70 #define EVDEV_ABSOLUTE_MOTION (1 << 0)
71 #define EVDEV_ABSOLUTE_MT_DOWN (1 << 1)
72 #define EVDEV_ABSOLUTE_MT_MOTION (1 << 2)
73 #define EVDEV_ABSOLUTE_MT_UP (1 << 3)
74 #define EVDEV_RELATIVE_MOTION (1 << 4)
76 /* copied from udev/extras/input_id/input_id.c */
77 /* we must use this kernel-compatible implementation */
78 #define BITS_PER_LONG (sizeof(unsigned long) * 8)
79 #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
80 #define OFF(x) ((x)%BITS_PER_LONG)
81 #define BIT(x) (1UL<<OFF(x))
82 #define LONG(x) ((x)/BITS_PER_LONG)
83 #define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
86 struct evdev_dispatch;
88 struct evdev_dispatch_interface {
89 /* Process an evdev input event. */
90 void (*process)(struct evdev_dispatch *dispatch,
91 struct evdev_input_device *device,
92 struct input_event *event,
95 /* Destroy an event dispatch handler and free all its resources. */
96 void (*destroy)(struct evdev_dispatch *dispatch);
99 struct evdev_dispatch {
100 struct evdev_dispatch_interface *interface;
103 #endif /* EVDEV_PRIVATE_H */