17bccaed42
A paired touch screen will stop sending events if its corresponding output is unplugged. An unpaired touchscreen will pick the new primary output. https://bugs.freedesktop.org/show_bug.cgi?id=73637
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/*
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* Copyright © 2011, 2012 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef EVDEV_H
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#define EVDEV_H
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#include "config.h"
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#include <linux/input.h>
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#include <wayland-util.h>
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#define MAX_SLOTS 16
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enum evdev_event_type {
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EVDEV_NONE,
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EVDEV_ABSOLUTE_TOUCH_DOWN,
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EVDEV_ABSOLUTE_MOTION,
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EVDEV_ABSOLUTE_TOUCH_UP,
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EVDEV_ABSOLUTE_MT_DOWN,
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EVDEV_ABSOLUTE_MT_MOTION,
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EVDEV_ABSOLUTE_MT_UP,
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EVDEV_RELATIVE_MOTION,
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};
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enum evdev_device_seat_capability {
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EVDEV_SEAT_POINTER = (1 << 0),
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EVDEV_SEAT_KEYBOARD = (1 << 1),
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EVDEV_SEAT_TOUCH = (1 << 2)
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};
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struct evdev_device {
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struct weston_seat *seat;
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struct wl_list link;
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struct wl_event_source *source;
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struct weston_output *output;
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struct evdev_dispatch *dispatch;
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struct wl_listener output_destroy_listener;
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char *devnode;
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char *devname;
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char *output_name;
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int fd;
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struct {
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int min_x, max_x, min_y, max_y;
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uint32_t seat_slot;
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int32_t x, y;
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int apply_calibration;
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float calibration[6];
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} abs;
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struct {
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int slot;
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struct {
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int32_t x, y;
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uint32_t seat_slot;
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} slots[MAX_SLOTS];
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} mt;
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struct mtdev *mtdev;
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struct {
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wl_fixed_t dx, dy;
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} rel;
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enum evdev_event_type pending_event;
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enum evdev_device_seat_capability seat_caps;
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int is_mt;
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};
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/* copied from udev/extras/input_id/input_id.c */
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/* we must use this kernel-compatible implementation */
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#define BITS_PER_LONG (sizeof(unsigned long) * 8)
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#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
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#define OFF(x) ((x)%BITS_PER_LONG)
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#define BIT(x) (1UL<<OFF(x))
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#define LONG(x) ((x)/BITS_PER_LONG)
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#define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
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/* end copied */
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#define EVDEV_UNHANDLED_DEVICE ((struct evdev_device *) 1)
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struct evdev_dispatch;
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struct evdev_dispatch_interface {
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/* Process an evdev input event. */
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void (*process)(struct evdev_dispatch *dispatch,
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struct evdev_device *device,
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struct input_event *event,
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uint32_t time);
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/* Destroy an event dispatch handler and free all its resources. */
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void (*destroy)(struct evdev_dispatch *dispatch);
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};
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struct evdev_dispatch {
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struct evdev_dispatch_interface *interface;
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};
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struct evdev_dispatch *
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evdev_touchpad_create(struct evdev_device *device);
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void
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evdev_led_update(struct evdev_device *device, enum weston_led leds);
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struct evdev_device *
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evdev_device_create(struct weston_seat *seat, const char *path, int device_fd);
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void
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evdev_device_set_output(struct evdev_device *device,
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struct weston_output *output);
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void
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evdev_device_destroy(struct evdev_device *device);
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void
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evdev_notify_keyboard_focus(struct weston_seat *seat,
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struct wl_list *evdev_devices);
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#endif /* EVDEV_H */
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