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/*
* Copyright © 2014 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <poll.h>
#include <stdio.h>
#include <signal.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <libudev.h>
#include "linux/input.h"
#include <sys/ioctl.h>
#include <libinput.h>
#include <libevdev/libevdev.h>
#include "shared.h"
uint32_t start_time;
static const uint32_t screen_width = 100;
static const uint32_t screen_height = 100;
struct tools_context context;
static unsigned int stop = 0;
static void
print_event_header(struct libinput_event *ev)
{
struct libinput_device *dev = libinput_event_get_device(ev);
const char *type = NULL;
switch(libinput_event_get_type(ev)) {
case LIBINPUT_EVENT_NONE:
abort();
case LIBINPUT_EVENT_DEVICE_ADDED:
type = "DEVICE_ADDED";
break;
case LIBINPUT_EVENT_DEVICE_REMOVED:
type = "DEVICE_REMOVED";
break;
case LIBINPUT_EVENT_KEYBOARD_KEY:
type = "KEYBOARD_KEY";
break;
case LIBINPUT_EVENT_POINTER_MOTION:
type = "POINTER_MOTION";
break;
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
type = "POINTER_MOTION_ABSOLUTE";
break;
case LIBINPUT_EVENT_POINTER_BUTTON:
type = "POINTER_BUTTON";
break;
case LIBINPUT_EVENT_POINTER_AXIS:
type = "POINTER_AXIS";
break;
case LIBINPUT_EVENT_TOUCH_DOWN:
type = "TOUCH_DOWN";
break;
case LIBINPUT_EVENT_TOUCH_MOTION:
type = "TOUCH_MOTION";
break;
case LIBINPUT_EVENT_TOUCH_UP:
type = "TOUCH_UP";
break;
case LIBINPUT_EVENT_TOUCH_CANCEL:
type = "TOUCH_CANCEL";
break;
case LIBINPUT_EVENT_TOUCH_FRAME:
type = "TOUCH_FRAME";
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
type = "GESTURE_SWIPE_BEGIN";
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
type = "GESTURE_SWIPE_UPDATE";
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_END:
type = "GESTURE_SWIPE_END";
break;
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
type = "GESTURE_PINCH_BEGIN";
break;
case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
type = "GESTURE_PINCH_UPDATE";
break;
case LIBINPUT_EVENT_GESTURE_PINCH_END:
type = "GESTURE_PINCH_END";
break;
}
printf("%-7s %s ", libinput_device_get_sysname(dev), type);
}
static void
print_event_time(uint32_t time)
{
printf("%+6.2fs ", (time - start_time) / 1000.0);
}
static void
print_device_notify(struct libinput_event *ev)
{
struct libinput_device *dev = libinput_event_get_device(ev);
struct libinput_seat *seat = libinput_device_get_seat(dev);
struct libinput_device_group *group;
double w, h;
uint32_t scroll_methods, click_methods;
static int next_group_id = 0;
intptr_t group_id;
group = libinput_device_get_device_group(dev);
group_id = (intptr_t)libinput_device_group_get_user_data(group);
if (!group_id) {
group_id = ++next_group_id;
libinput_device_group_set_user_data(group, (void*)group_id);
}
printf("%-33s %5s %7s group%d",
libinput_device_get_name(dev),
libinput_seat_get_physical_name(seat),
libinput_seat_get_logical_name(seat),
(int)group_id);
printf(" cap:");
if (libinput_device_has_capability(dev,
LIBINPUT_DEVICE_CAP_KEYBOARD))
printf("k");
if (libinput_device_has_capability(dev,
LIBINPUT_DEVICE_CAP_POINTER))
printf("p");
if (libinput_device_has_capability(dev,
LIBINPUT_DEVICE_CAP_TOUCH))
printf("t");
if (libinput_device_has_capability(dev,
LIBINPUT_DEVICE_CAP_GESTURE))
printf("g");
if (libinput_device_get_size(dev, &w, &h) == 0)
printf("\tsize %.2f/%.2fmm", w, h);
if (libinput_device_config_tap_get_finger_count(dev)) {
printf(" tap");
if (libinput_device_config_tap_get_drag_lock_enabled(dev))
printf("(dl on)");
else
printf("(dl off)");
}
if (libinput_device_config_left_handed_is_available(dev))
printf(" left");
if (libinput_device_config_scroll_has_natural_scroll(dev))
printf(" scroll-nat");
if (libinput_device_config_calibration_has_matrix(dev))
printf(" calib");
scroll_methods = libinput_device_config_scroll_get_methods(dev);
if (scroll_methods != LIBINPUT_CONFIG_SCROLL_NO_SCROLL) {
printf(" scroll");
if (scroll_methods & LIBINPUT_CONFIG_SCROLL_2FG)
printf("-2fg");
if (scroll_methods & LIBINPUT_CONFIG_SCROLL_EDGE)
printf("-edge");
if (scroll_methods & LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN)
printf("-button");
}
click_methods = libinput_device_config_click_get_methods(dev);
if (click_methods != LIBINPUT_CONFIG_CLICK_METHOD_NONE) {
printf(" click");
if (click_methods & LIBINPUT_CONFIG_CLICK_METHOD_BUTTON_AREAS)
printf("-buttonareas");
if (click_methods & LIBINPUT_CONFIG_CLICK_METHOD_CLICKFINGER)
printf("-clickfinger");
}
if (libinput_device_config_dwt_is_available(dev)) {
if (libinput_device_config_dwt_get_enabled(dev) ==
LIBINPUT_CONFIG_DWT_ENABLED)
printf(" dwt-on");
else
printf(" dwt-off)");
}
printf("\n");
}
static void
print_key_event(struct libinput_event *ev)
{
struct libinput_event_keyboard *k = libinput_event_get_keyboard_event(ev);
enum libinput_key_state state;
uint32_t key;
const char *keyname;
print_event_time(libinput_event_keyboard_get_time(k));
state = libinput_event_keyboard_get_key_state(k);
key = libinput_event_keyboard_get_key(k);
keyname = libevdev_event_code_get_name(EV_KEY, key);
printf("%s (%d) %s\n",
keyname ? keyname : "???",
key,
state == LIBINPUT_KEY_STATE_PRESSED ? "pressed" : "released");
}
static void
print_motion_event(struct libinput_event *ev)
{
struct libinput_event_pointer *p = libinput_event_get_pointer_event(ev);
double x = libinput_event_pointer_get_dx(p);
double y = libinput_event_pointer_get_dy(p);
print_event_time(libinput_event_pointer_get_time(p));
printf("%6.2f/%6.2f\n", x, y);
}
static void
print_absmotion_event(struct libinput_event *ev)
{
struct libinput_event_pointer *p = libinput_event_get_pointer_event(ev);
double x = libinput_event_pointer_get_absolute_x_transformed(
p, screen_width);
double y = libinput_event_pointer_get_absolute_y_transformed(
p, screen_height);
print_event_time(libinput_event_pointer_get_time(p));
printf("%6.2f/%6.2f\n", x, y);
}
static void
print_button_event(struct libinput_event *ev)
{
struct libinput_event_pointer *p = libinput_event_get_pointer_event(ev);
enum libinput_button_state state;
const char *buttonname;
int button;
print_event_time(libinput_event_pointer_get_time(p));
button = libinput_event_pointer_get_button(p);
buttonname = libevdev_event_code_get_name(EV_KEY, button);
state = libinput_event_pointer_get_button_state(p);
printf("%s (%d) %s, seat count: %u\n",
buttonname ? buttonname : "???",
button,
state == LIBINPUT_BUTTON_STATE_PRESSED ? "pressed" : "released",
libinput_event_pointer_get_seat_button_count(p));
}
static void
print_axis_event(struct libinput_event *ev)
{
struct libinput_event_pointer *p = libinput_event_get_pointer_event(ev);
double v = 0, h = 0;
const char *have_vert = "",
*have_horiz = "";
if (libinput_event_pointer_has_axis(p,
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)) {
v = libinput_event_pointer_get_axis_value(p,
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
have_vert = "*";
}
if (libinput_event_pointer_has_axis(p,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL)) {
h = libinput_event_pointer_get_axis_value(p,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
have_horiz = "*";
}
print_event_time(libinput_event_pointer_get_time(p));
printf("vert %.2f%s horiz %.2f%s\n", v, have_vert, h, have_horiz);
}
static void
print_touch_event_without_coords(struct libinput_event *ev)
{
struct libinput_event_touch *t = libinput_event_get_touch_event(ev);
print_event_time(libinput_event_touch_get_time(t));
printf("\n");
}
static void
print_touch_event_with_coords(struct libinput_event *ev)
{
struct libinput_event_touch *t = libinput_event_get_touch_event(ev);
double x = libinput_event_touch_get_x_transformed(t, screen_width);
double y = libinput_event_touch_get_y_transformed(t, screen_height);
double xmm = libinput_event_touch_get_x(t);
double ymm = libinput_event_touch_get_y(t);
print_event_time(libinput_event_touch_get_time(t));
printf("%d (%d) %5.2f/%5.2f (%5.2f/%5.2fmm)\n",
libinput_event_touch_get_slot(t),
libinput_event_touch_get_seat_slot(t),
x, y,
xmm, ymm);
}
static void
print_gesture_event_without_coords(struct libinput_event *ev)
{
struct libinput_event_gesture *t = libinput_event_get_gesture_event(ev);
int finger_count = libinput_event_gesture_get_finger_count(t);
int cancelled = 0;
enum libinput_event_type type;
type = libinput_event_get_type(ev);
if (type == LIBINPUT_EVENT_GESTURE_SWIPE_END ||
type == LIBINPUT_EVENT_GESTURE_PINCH_END)
cancelled = libinput_event_gesture_get_cancelled(t);
print_event_time(libinput_event_gesture_get_time(t));
printf("%d%s\n", finger_count, cancelled ? " cancelled" : "");
}
static void
print_gesture_event_with_coords(struct libinput_event *ev)
{
struct libinput_event_gesture *t = libinput_event_get_gesture_event(ev);
double dx = libinput_event_gesture_get_dx(t);
double dy = libinput_event_gesture_get_dy(t);
double dx_unaccel = libinput_event_gesture_get_dx_unaccelerated(t);
double dy_unaccel = libinput_event_gesture_get_dy_unaccelerated(t);
print_event_time(libinput_event_gesture_get_time(t));
printf("%d %5.2f/%5.2f (%5.2f/%5.2f unaccelerated)",
libinput_event_gesture_get_finger_count(t),
dx, dy, dx_unaccel, dy_unaccel);
if (libinput_event_get_type(ev) ==
LIBINPUT_EVENT_GESTURE_PINCH_UPDATE) {
double scale = libinput_event_gesture_get_scale(t);
double angle = libinput_event_gesture_get_angle_delta(t);
printf(" %5.2f @ %5.2f\n", scale, angle);
} else {
printf("\n");
}
}
static int
handle_and_print_events(struct libinput *li)
{
int rc = -1;
struct libinput_event *ev;
libinput_dispatch(li);
while ((ev = libinput_get_event(li))) {
print_event_header(ev);
switch (libinput_event_get_type(ev)) {
case LIBINPUT_EVENT_NONE:
abort();
case LIBINPUT_EVENT_DEVICE_ADDED:
case LIBINPUT_EVENT_DEVICE_REMOVED:
print_device_notify(ev);
tools_device_apply_config(libinput_event_get_device(ev),
&context.options);
break;
case LIBINPUT_EVENT_KEYBOARD_KEY:
print_key_event(ev);
break;
case LIBINPUT_EVENT_POINTER_MOTION:
print_motion_event(ev);
break;
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
print_absmotion_event(ev);
break;
case LIBINPUT_EVENT_POINTER_BUTTON:
print_button_event(ev);
break;
case LIBINPUT_EVENT_POINTER_AXIS:
print_axis_event(ev);
break;
case LIBINPUT_EVENT_TOUCH_DOWN:
print_touch_event_with_coords(ev);
break;
case LIBINPUT_EVENT_TOUCH_MOTION:
print_touch_event_with_coords(ev);
break;
case LIBINPUT_EVENT_TOUCH_UP:
print_touch_event_without_coords(ev);
break;
case LIBINPUT_EVENT_TOUCH_CANCEL:
print_touch_event_without_coords(ev);
break;
case LIBINPUT_EVENT_TOUCH_FRAME:
print_touch_event_without_coords(ev);
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
print_gesture_event_without_coords(ev);
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
print_gesture_event_with_coords(ev);
break;
case LIBINPUT_EVENT_GESTURE_SWIPE_END:
print_gesture_event_without_coords(ev);
break;
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
print_gesture_event_without_coords(ev);
break;
case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
print_gesture_event_with_coords(ev);
break;
case LIBINPUT_EVENT_GESTURE_PINCH_END:
print_gesture_event_without_coords(ev);
break;
}
libinput_event_destroy(ev);
libinput_dispatch(li);
rc = 0;
}
return rc;
}
static void
sighandler(int signal, siginfo_t *siginfo, void *userdata)
{
stop = 1;
}
static void
mainloop(struct libinput *li)
{
struct pollfd fds;
struct sigaction act;
fds.fd = libinput_get_fd(li);
fds.events = POLLIN;
fds.revents = 0;
memset(&act, 0, sizeof(act));
act.sa_sigaction = sighandler;
act.sa_flags = SA_SIGINFO;
if (sigaction(SIGINT, &act, NULL) == -1) {
fprintf(stderr, "Failed to set up signal handling (%s)\n",
strerror(errno));
return;
}
/* Handle already-pending device added events */
if (handle_and_print_events(li))
fprintf(stderr, "Expected device added events on startup but got none. "
"Maybe you don't have the right permissions?\n");
while (!stop && poll(&fds, 1, -1) > -1)
handle_and_print_events(li);
}
int
main(int argc, char **argv)
{
struct libinput *li;
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp);
start_time = tp.tv_sec * 1000 + tp.tv_nsec / 1000000;
tools_init_context(&context);
if (tools_parse_args(argc, argv, &context))
return 1;
li = tools_open_backend(&context);
if (!li)
return 1;
mainloop(li);
libinput_unref(li);
return 0;
}
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