#include "config.h"
#include <errno.h>
+#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "linux/input.h"
#include "libinput-private.h"
#define DEFAULT_AXIS_STEP_DISTANCE 10
+#define DEFAULT_MIDDLE_BUTTON_SCROLL_TIMEOUT 200
+
+enum evdev_key_type {
+ EVDEV_KEY_TYPE_NONE,
+ EVDEV_KEY_TYPE_KEY,
+ EVDEV_KEY_TYPE_BUTTON,
+};
+
+static void
+hw_set_key_down(struct evdev_device *device, int code, int pressed)
+{
+ long_set_bit_state(device->hw_key_mask, code, pressed);
+}
+
+static int
+hw_is_key_down(struct evdev_device *device, int code)
+{
+ return long_bit_is_set(device->hw_key_mask, code);
+}
+
+static int
+get_key_down_count(struct evdev_device *device, int code)
+{
+ return device->key_count[code];
+}
+
+static int
+update_key_down_count(struct evdev_device *device, int code, int pressed)
+{
+ int key_count;
+ assert(code >= 0 && code < KEY_CNT);
+
+ if (pressed) {
+ key_count = ++device->key_count[code];
+ } else {
+ assert(device->key_count[code] > 0);
+ key_count = --device->key_count[code];
+ }
+
+ if (key_count > 32) {
+ log_bug_libinput(device->base.seat->libinput,
+ "Key count for %s reached abnormal values\n",
+ libevdev_event_code_get_name(EV_KEY, code));
+ }
+
+ return key_count;
+}
+
+void
+evdev_keyboard_notify_key(struct evdev_device *device,
+ uint32_t time,
+ int key,
+ enum libinput_key_state state)
+{
+ int down_count;
+
+ down_count = update_key_down_count(device, key, state);
+
+ if ((state == LIBINPUT_KEY_STATE_PRESSED && down_count == 1) ||
+ (state == LIBINPUT_KEY_STATE_RELEASED && down_count == 0))
+ keyboard_notify_key(&device->base, time, key, state);
+}
+
+void
+evdev_pointer_notify_button(struct evdev_device *device,
+ uint32_t time,
+ int button,
+ enum libinput_button_state state)
+{
+ int down_count;
+
+ down_count = update_key_down_count(device, button, state);
+
+ if ((state == LIBINPUT_BUTTON_STATE_PRESSED && down_count == 1) ||
+ (state == LIBINPUT_BUTTON_STATE_RELEASED && down_count == 0))
+ pointer_notify_button(&device->base, time, button, state);
+}
void
evdev_device_led_update(struct evdev_device *device, enum libinput_led leds)
static void
transform_absolute(struct evdev_device *device, int32_t *x, int32_t *y)
{
- if (!device->abs.apply_calibration) {
- *x = device->abs.x;
- *y = device->abs.y;
+ if (!device->abs.apply_calibration)
return;
- } else {
- *x = device->abs.x * device->abs.calibration[0] +
- device->abs.y * device->abs.calibration[1] +
- device->abs.calibration[2];
- *y = device->abs.x * device->abs.calibration[3] +
- device->abs.y * device->abs.calibration[4] +
- device->abs.calibration[5];
- }
+ matrix_mult_vec(&device->abs.calibration, x, y);
}
static inline double
static void
evdev_flush_pending_event(struct evdev_device *device, uint64_t time)
{
+ struct libinput *libinput = device->base.seat->libinput;
struct motion_params motion;
int32_t cx, cy;
- double x, y;
+ int32_t x, y;
int slot;
int seat_slot;
struct libinput_device *base = &device->base;
device->rel.dx = 0;
device->rel.dy = 0;
+ /* Use unaccelerated deltas for pointing stick scroll */
+ if (device->scroll.has_middle_button_scroll &&
+ hw_is_key_down(device, BTN_MIDDLE)) {
+ if (device->scroll.middle_button_scroll_active)
+ evdev_post_scroll(device, time,
+ motion.dx, motion.dy);
+ break;
+ }
+
/* Apply pointer acceleration. */
filter_dispatch(device->pointer.filter, &motion, device, time);
break;
if (device->mt.slots[slot].seat_slot != -1) {
- log_bug_kernel("%s: Driver sent multiple touch down for the "
+ log_bug_kernel(libinput,
+ "%s: Driver sent multiple touch down for the "
"same slot", device->devnode);
break;
}
seat->slot_map |= 1 << seat_slot;
x = device->mt.slots[slot].x;
y = device->mt.slots[slot].y;
+ transform_absolute(device, &x, &y);
touch_notify_touch_down(base, time, slot, seat_slot, x, y);
break;
if (seat_slot == -1)
break;
+ transform_absolute(device, &x, &y);
touch_notify_touch_motion(base, time, slot, seat_slot, x, y);
break;
case EVDEV_ABSOLUTE_MT_UP:
break;
if (device->abs.seat_slot != -1) {
- log_bug_kernel("%s: Driver sent multiple touch down for the "
+ log_bug_kernel(libinput,
+ "%s: Driver sent multiple touch down for the "
"same slot", device->devnode);
break;
}
seat->slot_map |= 1 << seat_slot;
+ cx = device->abs.x;
+ cy = device->abs.y;
transform_absolute(device, &cx, &cy);
touch_notify_touch_down(base, time, -1, seat_slot, cx, cy);
break;
case EVDEV_ABSOLUTE_MOTION:
+ cx = device->abs.x;
+ cy = device->abs.y;
transform_absolute(device, &cx, &cy);
x = cx;
y = cy;
device->pending_event = EVDEV_NONE;
}
+static enum evdev_key_type
+get_key_type(uint16_t code)
+{
+ if (code == BTN_TOUCH)
+ return EVDEV_KEY_TYPE_NONE;
+
+ if (code >= KEY_ESC && code <= KEY_MICMUTE)
+ return EVDEV_KEY_TYPE_KEY;
+ if (code >= BTN_MISC && code <= BTN_GEAR_UP)
+ return EVDEV_KEY_TYPE_BUTTON;
+ if (code >= KEY_OK && code <= KEY_LIGHTS_TOGGLE)
+ return EVDEV_KEY_TYPE_KEY;
+ if (code >= BTN_DPAD_UP && code <= BTN_TRIGGER_HAPPY40)
+ return EVDEV_KEY_TYPE_BUTTON;
+ return EVDEV_KEY_TYPE_NONE;
+}
+
+static void
+evdev_middle_button_scroll_timeout(uint64_t time, void *data)
+{
+ struct evdev_device *device = data;
+
+ device->scroll.middle_button_scroll_active = true;
+}
+
+static void
+evdev_middle_button_scroll_button(struct evdev_device *device,
+ uint64_t time, int is_press)
+{
+ if (is_press) {
+ libinput_timer_set(&device->scroll.timer,
+ time + DEFAULT_MIDDLE_BUTTON_SCROLL_TIMEOUT);
+ } else {
+ libinput_timer_cancel(&device->scroll.timer);
+ if (device->scroll.middle_button_scroll_active) {
+ evdev_stop_scroll(device, time);
+ device->scroll.middle_button_scroll_active = false;
+ } else {
+ /* If the button is released quickly enough emit the
+ * button press/release events. */
+ evdev_pointer_notify_button(device, time, BTN_MIDDLE,
+ LIBINPUT_BUTTON_STATE_PRESSED);
+ evdev_pointer_notify_button(device, time, BTN_MIDDLE,
+ LIBINPUT_BUTTON_STATE_RELEASED);
+ }
+ }
+}
+
static void
evdev_process_touch_button(struct evdev_device *device,
uint64_t time, int value)
evdev_process_key(struct evdev_device *device,
struct input_event *e, uint64_t time)
{
+ enum evdev_key_type type;
+
/* ignore kernel key repeat */
if (e->value == 2)
return;
- if (e->code > KEY_MAX)
- return;
-
if (e->code == BTN_TOUCH) {
if (!device->is_mt)
evdev_process_touch_button(device, time, e->value);
evdev_flush_pending_event(device, time);
- switch (e->code) {
- case BTN_LEFT:
- case BTN_RIGHT:
- case BTN_MIDDLE:
- case BTN_SIDE:
- case BTN_EXTRA:
- case BTN_FORWARD:
- case BTN_BACK:
- case BTN_TASK:
- pointer_notify_button(
- &device->base,
+ type = get_key_type(e->code);
+
+ /* Ignore key release events from the kernel for keys that libinput
+ * never got a pressed event for. */
+ if (e->value == 0) {
+ switch (type) {
+ case EVDEV_KEY_TYPE_NONE:
+ break;
+ case EVDEV_KEY_TYPE_KEY:
+ case EVDEV_KEY_TYPE_BUTTON:
+ if (!hw_is_key_down(device, e->code))
+ return;
+ }
+ }
+
+ hw_set_key_down(device, e->code, e->value);
+
+ switch (type) {
+ case EVDEV_KEY_TYPE_NONE:
+ break;
+ case EVDEV_KEY_TYPE_KEY:
+ evdev_keyboard_notify_key(
+ device,
time,
e->code,
- e->value ? LIBINPUT_BUTTON_STATE_PRESSED :
- LIBINPUT_BUTTON_STATE_RELEASED);
+ e->value ? LIBINPUT_KEY_STATE_PRESSED :
+ LIBINPUT_KEY_STATE_RELEASED);
break;
-
- default:
- /* Only let KEY_* codes pass through. */
- if (!(e->code <= KEY_MICMUTE ||
- (e->code >= KEY_OK && e->code <= KEY_LIGHTS_TOGGLE)))
+ case EVDEV_KEY_TYPE_BUTTON:
+ if (device->scroll.has_middle_button_scroll &&
+ e->code == BTN_MIDDLE) {
+ evdev_middle_button_scroll_button(device, time,
+ e->value);
break;
-
- keyboard_notify_key(
- &device->base,
+ }
+ evdev_pointer_notify_button(
+ device,
time,
e->code,
- e->value ? LIBINPUT_KEYBOARD_KEY_STATE_PRESSED :
- LIBINPUT_KEYBOARD_KEY_STATE_RELEASED);
+ e->value ? LIBINPUT_BUTTON_STATE_PRESSED :
+ LIBINPUT_BUTTON_STATE_RELEASED);
break;
}
}
}
static void
+evdev_tag_external_mouse(struct evdev_device *device,
+ struct udev_device *udev_device)
+{
+ int bustype;
+
+ bustype = libevdev_get_id_bustype(device->evdev);
+ if (bustype == BUS_USB || bustype == BUS_BLUETOOTH) {
+ if (device->seat_caps & EVDEV_DEVICE_POINTER)
+ device->tags |= EVDEV_TAG_EXTERNAL_MOUSE;
+ }
+}
+
+static void
+evdev_tag_trackpoint(struct evdev_device *device,
+ struct udev_device *udev_device)
+{
+ if (libevdev_has_property(device->evdev, INPUT_PROP_POINTING_STICK))
+ device->tags |= EVDEV_TAG_TRACKPOINT;
+}
+
+static void
fallback_process(struct evdev_dispatch *dispatch,
struct evdev_device *device,
struct input_event *event,
free(dispatch);
}
+static void
+fallback_tag_device(struct evdev_device *device,
+ struct udev_device *udev_device)
+{
+ evdev_tag_external_mouse(device, udev_device);
+ evdev_tag_trackpoint(device, udev_device);
+}
+
+static int
+evdev_calibration_has_matrix(struct libinput_device *libinput_device)
+{
+ struct evdev_device *device = (struct evdev_device*)libinput_device;
+
+ return device->abs.absinfo_x && device->abs.absinfo_y;
+}
+
+static enum libinput_config_status
+evdev_calibration_set_matrix(struct libinput_device *libinput_device,
+ const float matrix[6])
+{
+ struct evdev_device *device = (struct evdev_device*)libinput_device;
+
+ evdev_device_calibrate(device, matrix);
+
+ return LIBINPUT_CONFIG_STATUS_SUCCESS;
+}
+
+static int
+evdev_calibration_get_matrix(struct libinput_device *libinput_device,
+ float matrix[6])
+{
+ struct evdev_device *device = (struct evdev_device*)libinput_device;
+
+ matrix_to_farray6(&device->abs.usermatrix, matrix);
+
+ return !matrix_is_identity(&device->abs.usermatrix);
+}
+
+static int
+evdev_calibration_get_default_matrix(struct libinput_device *libinput_device,
+ float matrix[6])
+{
+ struct evdev_device *device = (struct evdev_device*)libinput_device;
+
+ matrix_to_farray6(&device->abs.default_calibration, matrix);
+
+ return !matrix_is_identity(&device->abs.default_calibration);
+}
+
struct evdev_dispatch_interface fallback_interface = {
fallback_process,
- fallback_destroy
+ fallback_destroy,
+ NULL, /* device_added */
+ NULL, /* device_removed */
+ NULL, /* device_suspended */
+ NULL, /* device_resumed */
+ fallback_tag_device,
};
+static uint32_t
+evdev_sendevents_get_modes(struct libinput_device *device)
+{
+ return LIBINPUT_CONFIG_SEND_EVENTS_ENABLED |
+ LIBINPUT_CONFIG_SEND_EVENTS_DISABLED;
+}
+
+static enum libinput_config_status
+evdev_sendevents_set_mode(struct libinput_device *device,
+ enum libinput_config_send_events_mode mode)
+{
+ struct evdev_device *evdev = (struct evdev_device*)device;
+ struct evdev_dispatch *dispatch = evdev->dispatch;
+
+ if (mode == dispatch->sendevents.current_mode)
+ return LIBINPUT_CONFIG_STATUS_SUCCESS;
+
+ switch(mode) {
+ case LIBINPUT_CONFIG_SEND_EVENTS_ENABLED:
+ evdev_device_resume(evdev);
+ break;
+ case LIBINPUT_CONFIG_SEND_EVENTS_DISABLED:
+ evdev_device_suspend(evdev);
+ break;
+ default:
+ return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
+ }
+
+ dispatch->sendevents.current_mode = mode;
+
+ return LIBINPUT_CONFIG_STATUS_SUCCESS;
+}
+
+static enum libinput_config_send_events_mode
+evdev_sendevents_get_mode(struct libinput_device *device)
+{
+ struct evdev_device *evdev = (struct evdev_device*)device;
+ struct evdev_dispatch *dispatch = evdev->dispatch;
+
+ return dispatch->sendevents.current_mode;
+}
+
+static enum libinput_config_send_events_mode
+evdev_sendevents_get_default_mode(struct libinput_device *device)
+{
+ return LIBINPUT_CONFIG_SEND_EVENTS_ENABLED;
+}
+
static struct evdev_dispatch *
-fallback_dispatch_create(void)
+fallback_dispatch_create(struct libinput_device *device)
{
- struct evdev_dispatch *dispatch = malloc(sizeof *dispatch);
+ struct evdev_dispatch *dispatch = zalloc(sizeof *dispatch);
if (dispatch == NULL)
return NULL;
dispatch->interface = &fallback_interface;
+ device->config.calibration = &dispatch->calibration;
+
+ dispatch->calibration.has_matrix = evdev_calibration_has_matrix;
+ dispatch->calibration.set_matrix = evdev_calibration_set_matrix;
+ dispatch->calibration.get_matrix = evdev_calibration_get_matrix;
+ dispatch->calibration.get_default_matrix = evdev_calibration_get_default_matrix;
+
+ device->config.sendevents = &dispatch->sendevents.config;
+
+ dispatch->sendevents.current_mode = LIBINPUT_CONFIG_SEND_EVENTS_ENABLED;
+ dispatch->sendevents.config.get_modes = evdev_sendevents_get_modes;
+ dispatch->sendevents.config.set_mode = evdev_sendevents_set_mode;
+ dispatch->sendevents.config.get_mode = evdev_sendevents_get_mode;
+ dispatch->sendevents.config.get_default_mode = evdev_sendevents_get_default_mode;
+
return dispatch;
}
{
device->pointer.filter =
create_pointer_accelator_filter(
- pointer_accel_profile_smooth_simple);
+ pointer_accel_profile_linear);
if (!device->pointer.filter)
return -1;
return 0;
}
+
+static inline int
+evdev_need_mtdev(struct evdev_device *device)
+{
+ struct libevdev *evdev = device->evdev;
+
+ return (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) &&
+ libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y) &&
+ !libevdev_has_event_code(evdev, EV_ABS, ABS_MT_SLOT));
+}
+
+static void
+evdev_tag_device(struct evdev_device *device)
+{
+ struct udev *udev;
+ struct udev_device *udev_device = NULL;
+
+ udev = udev_new();
+ if (!udev)
+ return;
+
+ udev_device = udev_device_new_from_syspath(udev, device->syspath);
+ if (udev_device) {
+ if (device->dispatch->interface->tag_device)
+ device->dispatch->interface->tag_device(device, udev_device);
+ udev_device_unref(udev_device);
+ }
+ udev_unref(udev);
+}
+
static int
evdev_configure_device(struct evdev_device *device)
{
+ struct libinput *libinput = device->base.seat->libinput;
struct libevdev *evdev = device->evdev;
const struct input_absinfo *absinfo;
struct input_absinfo fixed;
fixed = *absinfo;
fixed.resolution = 1;
libevdev_set_abs_info(evdev, ABS_X, &fixed);
+ device->abs.fake_resolution = 1;
}
device->abs.absinfo_x = absinfo;
has_abs = 1;
fixed = *absinfo;
fixed.resolution = 1;
libevdev_set_abs_info(evdev, ABS_Y, &fixed);
+ device->abs.fake_resolution = 1;
}
device->abs.absinfo_y = absinfo;
has_abs = 1;
libevdev_set_abs_info(evdev,
ABS_MT_POSITION_X,
&fixed);
+ device->abs.fake_resolution = 1;
}
device->abs.absinfo_x = absinfo;
absinfo = libevdev_get_abs_info(evdev, ABS_MT_POSITION_Y);
libevdev_set_abs_info(evdev,
ABS_MT_POSITION_Y,
&fixed);
+ device->abs.fake_resolution = 1;
}
device->abs.absinfo_y = absinfo;
device->is_mt = 1;
has_touch = 1;
has_mt = 1;
- if (!libevdev_has_event_code(evdev,
- EV_ABS, ABS_MT_SLOT)) {
+ if (evdev_need_mtdev(device)) {
device->mtdev = mtdev_new_open(device->fd);
if (!device->mtdev)
return -1;
device->mt.slot = active_slot;
}
}
+
+ if (libevdev_has_property(evdev, INPUT_PROP_POINTING_STICK)) {
+ libinput_timer_init(&device->scroll.timer,
+ device->base.seat->libinput,
+ evdev_middle_button_scroll_timeout,
+ device);
+ device->scroll.has_middle_button_scroll = true;
+ }
+
if (libevdev_has_event_code(evdev, EV_REL, REL_X) ||
libevdev_has_event_code(evdev, EV_REL, REL_Y))
has_rel = 1;
!libevdev_has_event_code(evdev, EV_KEY, BTN_TOOL_PEN) &&
(has_abs || has_mt)) {
device->dispatch = evdev_mt_touchpad_create(device);
- log_info("input device '%s', %s is a touchpad\n",
+ log_info(libinput,
+ "input device '%s', %s is a touchpad\n",
device->devname, device->devnode);
+ return device->dispatch == NULL ? -1 : 0;
}
- for (i = KEY_ESC; i < KEY_MAX; i++) {
- if (i >= BTN_MISC && i < KEY_OK)
- continue;
+
+ for (i = 0; i < KEY_MAX; i++) {
if (libevdev_has_event_code(evdev, EV_KEY, i)) {
- has_keyboard = 1;
- break;
+ switch (get_key_type(i)) {
+ case EVDEV_KEY_TYPE_NONE:
+ break;
+ case EVDEV_KEY_TYPE_KEY:
+ has_keyboard = 1;
+ break;
+ case EVDEV_KEY_TYPE_BUTTON:
+ has_button = 1;
+ break;
+ }
}
}
+
if (libevdev_has_event_code(evdev, EV_KEY, BTN_TOUCH))
has_touch = 1;
- for (i = BTN_MISC; i < BTN_JOYSTICK; i++) {
- if (libevdev_has_event_code(evdev, EV_KEY, i)) {
- has_button = 1;
- break;
- }
- }
}
if (libevdev_has_event_type(evdev, EV_LED))
has_keyboard = 1;
device->seat_caps |= EVDEV_DEVICE_POINTER;
- log_info("input device '%s', %s is a pointer caps =%s%s%s\n",
+ log_info(libinput,
+ "input device '%s', %s is a pointer caps =%s%s%s\n",
device->devname, device->devnode,
has_abs ? " absolute-motion" : "",
has_rel ? " relative-motion": "",
}
if (has_keyboard) {
device->seat_caps |= EVDEV_DEVICE_KEYBOARD;
- log_info("input device '%s', %s is a keyboard\n",
+ log_info(libinput,
+ "input device '%s', %s is a keyboard\n",
device->devname, device->devnode);
}
if (has_touch && !has_button) {
device->seat_caps |= EVDEV_DEVICE_TOUCH;
- log_info("input device '%s', %s is a touch device\n",
+ log_info(libinput,
+ "input device '%s', %s is a touch device\n",
device->devname, device->devnode);
}
return 0;
}
+static void
+evdev_notify_added_device(struct evdev_device *device)
+{
+ struct libinput_device *dev;
+
+ list_for_each(dev, &device->base.seat->devices_list, link) {
+ struct evdev_device *d = (struct evdev_device*)dev;
+ if (dev == &device->base)
+ continue;
+
+ /* Notify existing device d about addition of device device */
+ if (d->dispatch->interface->device_added)
+ d->dispatch->interface->device_added(d, device);
+
+ /* Notify new device device about existing device d */
+ if (device->dispatch->interface->device_added)
+ device->dispatch->interface->device_added(device, d);
+
+ /* Notify new device device if existing device d is suspended */
+ if (d->suspended && device->dispatch->interface->device_suspended)
+ device->dispatch->interface->device_suspended(device, d);
+ }
+
+ notify_added_device(&device->base);
+}
+
struct evdev_device *
evdev_device_create(struct libinput_seat *seat,
const char *devnode,
- const char *sysname)
+ const char *sysname,
+ const char *syspath)
{
struct libinput *libinput = seat->libinput;
struct evdev_device *device;
* read. mtdev_get() also expects this. */
fd = open_restricted(libinput, devnode, O_RDWR | O_NONBLOCK);
if (fd < 0) {
- log_info("opening input device '%s' failed (%s).\n",
+ log_info(libinput,
+ "opening input device '%s' failed (%s).\n",
devnode, strerror(-fd));
return NULL;
}
return NULL;
libinput_device_init(&device->base, seat);
+ libinput_seat_ref(seat);
rc = libevdev_new_from_fd(fd, &device->evdev);
if (rc != 0)
- return NULL;
+ goto err;
libevdev_set_clock_id(device->evdev, CLOCK_MONOTONIC);
device->mtdev = NULL;
device->devnode = strdup(devnode);
device->sysname = strdup(sysname);
+ device->syspath = strdup(syspath);
device->rel.dx = 0;
device->rel.dy = 0;
device->abs.seat_slot = -1;
device->fd = fd;
device->pending_event = EVDEV_NONE;
device->devname = libevdev_get_name(device->evdev);
+ device->scroll.threshold = 5.0; /* Default may be overridden */
+ device->scroll.direction = 0;
- libinput_seat_ref(seat);
+ matrix_init_identity(&device->abs.calibration);
+ matrix_init_identity(&device->abs.usermatrix);
+ matrix_init_identity(&device->abs.default_calibration);
if (evdev_configure_device(device) == -1)
goto err;
/* If the dispatch was not set up use the fallback. */
if (device->dispatch == NULL)
- device->dispatch = fallback_dispatch_create();
+ device->dispatch = fallback_dispatch_create(&device->base);
if (device->dispatch == NULL)
goto err;
goto err;
list_insert(seat->devices_list.prev, &device->base.link);
- notify_added_device(&device->base);
+
+ evdev_tag_device(device);
+ evdev_notify_added_device(device);
return device;
int
evdev_device_get_keys(struct evdev_device *device, char *keys, size_t size)
{
- int len;
-
memset(keys, 0, size);
- len = ioctl(device->fd, EVIOCGKEY(size), keys);
-
- return (len == -1) ? -errno : len;
+ return 0;
}
const char *
return device->sysname;
}
+const char *
+evdev_device_get_name(struct evdev_device *device)
+{
+ return device->devname;
+}
+
+unsigned int
+evdev_device_get_id_product(struct evdev_device *device)
+{
+ return libevdev_get_id_product(device->evdev);
+}
+
+unsigned int
+evdev_device_get_id_vendor(struct evdev_device *device)
+{
+ return libevdev_get_id_vendor(device->evdev);
+}
+
void
-evdev_device_calibrate(struct evdev_device *device, float calibration[6])
+evdev_device_set_default_calibration(struct evdev_device *device,
+ const float calibration[6])
{
- device->abs.apply_calibration = 1;
- memcpy(device->abs.calibration, calibration, sizeof device->abs.calibration);
+ matrix_from_farray6(&device->abs.default_calibration, calibration);
+ evdev_device_calibrate(device, calibration);
+}
+
+void
+evdev_device_calibrate(struct evdev_device *device,
+ const float calibration[6])
+{
+ struct matrix scale,
+ translate,
+ transform;
+ double sx, sy;
+
+ matrix_from_farray6(&transform, calibration);
+ device->abs.apply_calibration = !matrix_is_identity(&transform);
+
+ if (!device->abs.apply_calibration) {
+ matrix_init_identity(&device->abs.calibration);
+ return;
+ }
+
+ sx = device->abs.absinfo_x->maximum - device->abs.absinfo_x->minimum + 1;
+ sy = device->abs.absinfo_y->maximum - device->abs.absinfo_y->minimum + 1;
+
+ /* The transformation matrix is in the form:
+ * [ a b c ]
+ * [ d e f ]
+ * [ 0 0 1 ]
+ * Where a, e are the scale components, a, b, d, e are the rotation
+ * component (combined with scale) and c and f are the translation
+ * component. The translation component in the input matrix must be
+ * normalized to multiples of the device width and height,
+ * respectively. e.g. c == 1 shifts one device-width to the right.
+ *
+ * We pre-calculate a single matrix to apply to event coordinates:
+ * M = Un-Normalize * Calibration * Normalize
+ *
+ * Normalize: scales the device coordinates to [0,1]
+ * Calibration: user-supplied matrix
+ * Un-Normalize: scales back up to device coordinates
+ * Matrix maths requires the normalize/un-normalize in reverse
+ * order.
+ */
+
+ /* back up the user matrix so we can return it on request */
+ matrix_from_farray6(&device->abs.usermatrix, calibration);
+
+ /* Un-Normalize */
+ matrix_init_translate(&translate,
+ device->abs.absinfo_x->minimum,
+ device->abs.absinfo_y->minimum);
+ matrix_init_scale(&scale, sx, sy);
+ matrix_mult(&scale, &translate, &scale);
+
+ /* Calibration */
+ matrix_mult(&transform, &scale, &transform);
+
+ /* Normalize */
+ matrix_init_translate(&translate,
+ -device->abs.absinfo_x->minimum/sx,
+ -device->abs.absinfo_y->minimum/sy);
+ matrix_init_scale(&scale, 1.0/sx, 1.0/sy);
+ matrix_mult(&scale, &translate, &scale);
+
+ /* store final matrix in device */
+ matrix_mult(&device->abs.calibration, &transform, &scale);
}
int
x = libevdev_get_abs_info(device->evdev, ABS_X);
y = libevdev_get_abs_info(device->evdev, ABS_Y);
- if (!x || !y || !x->resolution || !y->resolution)
+ if (!x || !y || device->abs.fake_resolution ||
+ !x->resolution || !y->resolution)
return -1;
*width = evdev_convert_to_mm(x, x->maximum);
}
void
-evdev_device_remove(struct evdev_device *device)
+evdev_post_scroll(struct evdev_device *device,
+ uint64_t time,
+ double dx,
+ double dy)
+{
+ if (dy <= -device->scroll.threshold || dy >= device->scroll.threshold)
+ device->scroll.direction |= (1 << LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
+
+ if (dx <= -device->scroll.threshold || dx >= device->scroll.threshold)
+ device->scroll.direction |= (1 << LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
+
+ if (dy != 0.0 &&
+ (device->scroll.direction & (1 << LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL))) {
+ pointer_notify_axis(&device->base,
+ time,
+ LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
+ dy);
+ }
+
+ if (dx != 0.0 &&
+ (device->scroll.direction & (1 << LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL))) {
+ pointer_notify_axis(&device->base,
+ time,
+ LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
+ dx);
+ }
+}
+
+void
+evdev_stop_scroll(struct evdev_device *device, uint64_t time)
+{
+ /* terminate scrolling with a zero scroll event */
+ if (device->scroll.direction & (1 << LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL))
+ pointer_notify_axis(&device->base,
+ time,
+ LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
+ 0);
+ if (device->scroll.direction & (1 << LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL))
+ pointer_notify_axis(&device->base,
+ time,
+ LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
+ 0);
+
+ device->scroll.direction = 0;
+}
+
+static void
+release_pressed_keys(struct evdev_device *device)
+{
+ struct libinput *libinput = device->base.seat->libinput;
+ uint64_t time;
+ int code;
+
+ if ((time = libinput_now(libinput)) == 0)
+ return;
+
+ for (code = 0; code < KEY_CNT; code++) {
+ int count = get_key_down_count(device, code);
+
+ if (count > 1) {
+ log_bug_libinput(libinput,
+ "Key %d is down %d times.\n",
+ code,
+ count);
+ }
+
+ while (get_key_down_count(device, code) > 0) {
+ switch (get_key_type(code)) {
+ case EVDEV_KEY_TYPE_NONE:
+ break;
+ case EVDEV_KEY_TYPE_KEY:
+ evdev_keyboard_notify_key(
+ device,
+ time,
+ code,
+ LIBINPUT_KEY_STATE_RELEASED);
+ break;
+ case EVDEV_KEY_TYPE_BUTTON:
+ evdev_pointer_notify_button(
+ device,
+ time,
+ code,
+ LIBINPUT_BUTTON_STATE_RELEASED);
+ break;
+ }
+ }
+ }
+}
+
+void
+evdev_notify_suspended_device(struct evdev_device *device)
+{
+ struct libinput_device *it;
+
+ if (device->suspended)
+ return;
+
+ list_for_each(it, &device->base.seat->devices_list, link) {
+ struct evdev_device *d = (struct evdev_device*)it;
+ if (it == &device->base)
+ continue;
+
+ if (d->dispatch->interface->device_suspended)
+ d->dispatch->interface->device_suspended(d, device);
+ }
+
+ device->suspended = 1;
+}
+
+void
+evdev_notify_resumed_device(struct evdev_device *device)
+{
+ struct libinput_device *it;
+
+ if (!device->suspended)
+ return;
+
+ list_for_each(it, &device->base.seat->devices_list, link) {
+ struct evdev_device *d = (struct evdev_device*)it;
+ if (it == &device->base)
+ continue;
+
+ if (d->dispatch->interface->device_resumed)
+ d->dispatch->interface->device_resumed(d, device);
+ }
+
+ device->suspended = 0;
+}
+
+int
+evdev_device_suspend(struct evdev_device *device)
{
- if (device->source)
+ evdev_notify_suspended_device(device);
+
+ if (device->source) {
libinput_remove_source(device->base.seat->libinput,
device->source);
+ device->source = NULL;
+ }
+
+ release_pressed_keys(device);
+
+ if (device->mtdev) {
+ mtdev_close_delete(device->mtdev);
+ device->mtdev = NULL;
+ }
+
+ if (device->fd != -1) {
+ close_restricted(device->base.seat->libinput, device->fd);
+ device->fd = -1;
+ }
+
+ return 0;
+}
+
+static int
+evdev_device_compare_syspath(struct evdev_device *device, int fd)
+{
+ struct udev *udev = NULL;
+ struct udev_device *udev_device = NULL;
+ const char *syspath;
+ struct stat st;
+ int rc = 1;
+
+ udev = udev_new();
+ if (!udev)
+ goto out;
+
+ if (fstat(fd, &st) < 0)
+ goto out;
+
+ udev_device = udev_device_new_from_devnum(udev, 'c', st.st_rdev);
+ if (!device)
+ goto out;
+
+ syspath = udev_device_get_syspath(udev_device);
+ rc = strcmp(syspath, device->syspath);
+out:
+ if (udev_device)
+ udev_device_unref(udev_device);
+ if (udev)
+ udev_unref(udev);
+ return rc;
+}
+
+int
+evdev_device_resume(struct evdev_device *device)
+{
+ struct libinput *libinput = device->base.seat->libinput;
+ int fd;
+
+ if (device->fd != -1)
+ return 0;
+
+ if (device->syspath == NULL)
+ return -ENODEV;
+
+ fd = open_restricted(libinput, device->devnode, O_RDWR | O_NONBLOCK);
+
+ if (fd < 0)
+ return -errno;
+
+ if (evdev_device_compare_syspath(device, fd)) {
+ close_restricted(libinput, fd);
+ return -ENODEV;
+ }
+
+ device->fd = fd;
+
+ if (evdev_need_mtdev(device)) {
+ device->mtdev = mtdev_new_open(device->fd);
+ if (!device->mtdev)
+ return -ENODEV;
+ }
- if (device->mtdev)
+ device->source =
+ libinput_add_fd(libinput, fd, evdev_device_dispatch, device);
+ if (!device->source) {
mtdev_close_delete(device->mtdev);
- close_restricted(device->base.seat->libinput, device->fd);
- device->fd = -1;
+ return -ENOMEM;
+ }
+
+ memset(device->hw_key_mask, 0, sizeof(device->hw_key_mask));
+
+ evdev_notify_resumed_device(device);
+
+ return 0;
+}
+
+void
+evdev_device_remove(struct evdev_device *device)
+{
+ struct libinput_device *dev;
+
+ list_for_each(dev, &device->base.seat->devices_list, link) {
+ struct evdev_device *d = (struct evdev_device*)dev;;
+ if (dev == &device->base)
+ continue;
+
+ if (d->dispatch->interface->device_removed)
+ d->dispatch->interface->device_removed(d, device);
+ }
+
+ evdev_device_suspend(device);
+
+ /* A device may be removed while suspended. Free the syspath to
+ * skip re-opening a different device with the same node */
+ free(device->syspath);
+ device->syspath = NULL;
+
list_remove(&device->base.link);
notify_removed_device(&device->base);
if (dispatch)
dispatch->interface->destroy(dispatch);
- motion_filter_destroy(device->pointer.filter);
+ filter_destroy(device->pointer.filter);
libinput_seat_unref(device->base.seat);
libevdev_free(device->evdev);
free(device->mt.slots);
free(device->devnode);
free(device->sysname);
+ free(device->syspath);
free(device);
}
projects / platform / upstream / libinput.git / blobdiff