#include <errno.h>
#include <stdlib.h>
#include <string.h>
-#include <linux/input.h>
+#include "linux/input.h"
#include <unistd.h>
#include <fcntl.h>
-#include <mtdev.h>
+#include <mtdev-plumbing.h>
#include <assert.h>
+#include <time.h>
+#include <math.h>
#include "libinput.h"
#include "evdev.h"
+#include "filter.h"
#include "libinput-private.h"
-#define DEFAULT_AXIS_STEP_DISTANCE li_fixed_from_int(10)
+#define DEFAULT_AXIS_STEP_DISTANCE 10
+
+enum evdev_key_type {
+ EVDEV_KEY_TYPE_NONE,
+ EVDEV_KEY_TYPE_KEY,
+ EVDEV_KEY_TYPE_BUTTON,
+};
+
+static void
+set_key_down(struct evdev_device *device, int code, int pressed)
+{
+ long_set_bit_state(device->key_mask, code, pressed);
+}
+
+static int
+is_key_down(struct evdev_device *device, int code)
+{
+ return long_bit_is_set(device->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)
struct input_event ev[ARRAY_LENGTH(map) + 1];
unsigned int i;
- if (!device->caps & EVDEV_KEYBOARD)
+ if (!(device->seat_caps & EVDEV_DEVICE_KEYBOARD))
return;
memset(ev, 0, sizeof(ev));
}
}
+static inline double
+scale_axis(const struct input_absinfo *absinfo, double val, double to_range)
+{
+ return (val - absinfo->minimum) * to_range /
+ (absinfo->maximum - absinfo->minimum + 1);
+}
+
+double
+evdev_device_transform_x(struct evdev_device *device,
+ double x,
+ uint32_t width)
+{
+ return scale_axis(device->abs.absinfo_x, x, width);
+}
+
+double
+evdev_device_transform_y(struct evdev_device *device,
+ double y,
+ uint32_t height)
+{
+ return scale_axis(device->abs.absinfo_y, y, height);
+}
+
static void
-evdev_flush_pending_event(struct evdev_device *device, uint32_t time)
+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;
int slot;
+ int seat_slot;
struct libinput_device *base = &device->base;
+ struct libinput_seat *seat = base->seat;
slot = device->mt.slot;
case EVDEV_NONE:
return;
case EVDEV_RELATIVE_MOTION:
- pointer_notify_motion(base,
- time,
- device->rel.dx,
- device->rel.dy);
+ motion.dx = device->rel.dx;
+ motion.dy = device->rel.dy;
device->rel.dx = 0;
device->rel.dy = 0;
- goto handled;
+
+ /* Apply pointer acceleration. */
+ filter_dispatch(device->pointer.filter, &motion, device, time);
+
+ if (motion.dx == 0.0 && motion.dy == 0.0)
+ break;
+
+ pointer_notify_motion(base, time, motion.dx, motion.dy);
+ break;
case EVDEV_ABSOLUTE_MT_DOWN:
- touch_notify_touch(base,
- time,
- slot,
- li_fixed_from_int(device->mt.slots[slot].x),
- li_fixed_from_int(device->mt.slots[slot].y),
- LIBINPUT_TOUCH_TYPE_DOWN);
- goto handled;
+ if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
+ break;
+
+ if (device->mt.slots[slot].seat_slot != -1) {
+ log_bug_kernel(libinput,
+ "%s: Driver sent multiple touch down for the "
+ "same slot", device->devnode);
+ break;
+ }
+
+ seat_slot = ffs(~seat->slot_map) - 1;
+ device->mt.slots[slot].seat_slot = seat_slot;
+
+ if (seat_slot == -1)
+ break;
+
+ seat->slot_map |= 1 << seat_slot;
+ x = device->mt.slots[slot].x;
+ y = device->mt.slots[slot].y;
+
+ touch_notify_touch_down(base, time, slot, seat_slot, x, y);
+ break;
case EVDEV_ABSOLUTE_MT_MOTION:
- touch_notify_touch(base,
- time,
- slot,
- li_fixed_from_int(device->mt.slots[slot].x),
- li_fixed_from_int(device->mt.slots[slot].y),
- LIBINPUT_TOUCH_TYPE_MOTION);
- goto handled;
+ if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
+ break;
+
+ seat_slot = device->mt.slots[slot].seat_slot;
+ x = device->mt.slots[slot].x;
+ y = device->mt.slots[slot].y;
+
+ if (seat_slot == -1)
+ break;
+
+ touch_notify_touch_motion(base, time, slot, seat_slot, x, y);
+ break;
case EVDEV_ABSOLUTE_MT_UP:
- touch_notify_touch(base,
- time,
- slot,
- 0, 0,
- LIBINPUT_TOUCH_TYPE_UP);
- goto handled;
+ if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
+ break;
+
+ seat_slot = device->mt.slots[slot].seat_slot;
+ device->mt.slots[slot].seat_slot = -1;
+
+ if (seat_slot == -1)
+ break;
+
+ seat->slot_map &= ~(1 << seat_slot);
+
+ touch_notify_touch_up(base, time, slot, seat_slot);
+ break;
case EVDEV_ABSOLUTE_TOUCH_DOWN:
+ if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
+ break;
+
+ if (device->abs.seat_slot != -1) {
+ log_bug_kernel(libinput,
+ "%s: Driver sent multiple touch down for the "
+ "same slot", device->devnode);
+ break;
+ }
+
+ seat_slot = ffs(~seat->slot_map) - 1;
+ device->abs.seat_slot = seat_slot;
+
+ if (seat_slot == -1)
+ break;
+
+ seat->slot_map |= 1 << seat_slot;
+
transform_absolute(device, &cx, &cy);
- touch_notify_touch(base,
- time,
- slot,
- li_fixed_from_int(cx),
- li_fixed_from_int(cy),
- LIBINPUT_TOUCH_TYPE_DOWN);
- goto handled;
+
+ touch_notify_touch_down(base, time, -1, seat_slot, cx, cy);
+ break;
case EVDEV_ABSOLUTE_MOTION:
transform_absolute(device, &cx, &cy);
- if (device->caps & EVDEV_TOUCH) {
- touch_notify_touch(base,
- time,
- slot,
- li_fixed_from_int(cx),
- li_fixed_from_int(cy),
- LIBINPUT_TOUCH_TYPE_DOWN);
- } else {
- pointer_notify_motion_absolute(base,
- time,
- li_fixed_from_int(cx),
- li_fixed_from_int(cy));
+ x = cx;
+ y = cy;
+
+ if (device->seat_caps & EVDEV_DEVICE_TOUCH) {
+ seat_slot = device->abs.seat_slot;
+
+ if (seat_slot == -1)
+ break;
+
+ touch_notify_touch_motion(base, time, -1, seat_slot, x, y);
+ } else if (device->seat_caps & EVDEV_DEVICE_POINTER) {
+ pointer_notify_motion_absolute(base, time, x, y);
}
- goto handled;
+ break;
case EVDEV_ABSOLUTE_TOUCH_UP:
- touch_notify_touch(base,
- time,
- 0, 0, 0, LIBINPUT_TOUCH_TYPE_UP);
- goto handled;
- }
+ if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
+ break;
+
+ seat_slot = device->abs.seat_slot;
+ device->abs.seat_slot = -1;
+
+ if (seat_slot == -1)
+ break;
- assert(0 && "Unknown pending event type");
+ seat->slot_map &= ~(1 << seat_slot);
+
+ touch_notify_touch_up(base, time, -1, seat_slot);
+ break;
+ default:
+ assert(0 && "Unknown pending event type");
+ break;
+ }
-handled:
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_process_touch_button(struct evdev_device *device, int time, int value)
+evdev_process_touch_button(struct evdev_device *device,
+ uint64_t time, int value)
{
if (device->pending_event != EVDEV_NONE &&
device->pending_event != EVDEV_ABSOLUTE_MOTION)
}
static inline void
-evdev_process_key(struct evdev_device *device, struct input_event *e, int time)
+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;
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 (!is_key_down(device, e->code))
+ return;
+ }
+ }
+
+ 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_POINTER_BUTTON_STATE_PRESSED :
- LIBINPUT_POINTER_BUTTON_STATE_RELEASED);
+ e->value ? LIBINPUT_KEY_STATE_PRESSED :
+ LIBINPUT_KEY_STATE_RELEASED);
break;
-
- default:
- keyboard_notify_key(
- &device->base,
+ case EVDEV_KEY_TYPE_BUTTON:
+ 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_process_touch(struct evdev_device *device,
struct input_event *e,
- uint32_t time)
+ uint64_t time)
{
- struct libinput *libinput = device->base.seat->libinput;
- int screen_width;
- int screen_height;
-
- libinput->interface->get_current_screen_dimensions(
- &device->base,
- &screen_width,
- &screen_height,
- libinput->user_data);
-
switch (e->code) {
case ABS_MT_SLOT:
evdev_flush_pending_event(device, time);
device->pending_event = EVDEV_ABSOLUTE_MT_UP;
break;
case ABS_MT_POSITION_X:
- device->mt.slots[device->mt.slot].x =
- (e->value - device->abs.min_x) * screen_width /
- (device->abs.max_x - device->abs.min_x);
+ device->mt.slots[device->mt.slot].x = e->value;
if (device->pending_event == EVDEV_NONE)
device->pending_event = EVDEV_ABSOLUTE_MT_MOTION;
break;
case ABS_MT_POSITION_Y:
- device->mt.slots[device->mt.slot].y =
- (e->value - device->abs.min_y) * screen_height /
- (device->abs.max_y - device->abs.min_y);
+ device->mt.slots[device->mt.slot].y = e->value;
if (device->pending_event == EVDEV_NONE)
device->pending_event = EVDEV_ABSOLUTE_MT_MOTION;
break;
evdev_process_absolute_motion(struct evdev_device *device,
struct input_event *e)
{
- struct libinput *libinput = device->base.seat->libinput;
- int screen_width;
- int screen_height;
-
- libinput->interface->get_current_screen_dimensions(
- &device->base,
- &screen_width,
- &screen_height,
- libinput->user_data);
-
switch (e->code) {
case ABS_X:
- device->abs.x =
- (e->value - device->abs.min_x) * screen_width /
- (device->abs.max_x - device->abs.min_x);
+ device->abs.x = e->value;
if (device->pending_event == EVDEV_NONE)
device->pending_event = EVDEV_ABSOLUTE_MOTION;
break;
case ABS_Y:
- device->abs.y =
- (e->value - device->abs.min_y) * screen_height /
- (device->abs.max_y - device->abs.min_y);
+ device->abs.y = e->value;
if (device->pending_event == EVDEV_NONE)
device->pending_event = EVDEV_ABSOLUTE_MOTION;
break;
static inline void
evdev_process_relative(struct evdev_device *device,
- struct input_event *e, uint32_t time)
+ struct input_event *e, uint64_t time)
{
struct libinput_device *base = &device->base;
case REL_X:
if (device->pending_event != EVDEV_RELATIVE_MOTION)
evdev_flush_pending_event(device, time);
- device->rel.dx += li_fixed_from_int(e->value);
+ device->rel.dx += e->value;
device->pending_event = EVDEV_RELATIVE_MOTION;
break;
case REL_Y:
if (device->pending_event != EVDEV_RELATIVE_MOTION)
evdev_flush_pending_event(device, time);
- device->rel.dy += li_fixed_from_int(e->value);
+ device->rel.dy += e->value;
device->pending_event = EVDEV_RELATIVE_MOTION;
break;
case REL_WHEEL:
evdev_flush_pending_event(device, time);
- switch (e->value) {
- case -1:
- /* Scroll down */
- case 1:
- /* Scroll up */
- pointer_notify_axis(
- base,
- time,
- LIBINPUT_POINTER_AXIS_VERTICAL_SCROLL,
- -1 * e->value * DEFAULT_AXIS_STEP_DISTANCE);
- break;
- default:
- break;
- }
+ pointer_notify_axis(
+ base,
+ time,
+ LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
+ -1 * e->value * DEFAULT_AXIS_STEP_DISTANCE);
break;
case REL_HWHEEL:
evdev_flush_pending_event(device, time);
pointer_notify_axis(
base,
time,
- LIBINPUT_POINTER_AXIS_HORIZONTAL_SCROLL,
+ LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
e->value * DEFAULT_AXIS_STEP_DISTANCE);
break;
default:
static inline void
evdev_process_absolute(struct evdev_device *device,
struct input_event *e,
- uint32_t time)
+ uint64_t time)
{
if (device->is_mt) {
evdev_process_touch(device, e, time);
}
}
+static inline int
+evdev_need_touch_frame(struct evdev_device *device)
+{
+ if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
+ return 0;
+
+ switch (device->pending_event) {
+ case EVDEV_NONE:
+ case EVDEV_RELATIVE_MOTION:
+ break;
+ case EVDEV_ABSOLUTE_MT_DOWN:
+ case EVDEV_ABSOLUTE_MT_MOTION:
+ case EVDEV_ABSOLUTE_MT_UP:
+ case EVDEV_ABSOLUTE_TOUCH_DOWN:
+ case EVDEV_ABSOLUTE_TOUCH_UP:
+ case EVDEV_ABSOLUTE_MOTION:
+ return 1;
+ }
+
+ return 0;
+}
+
static void
fallback_process(struct evdev_dispatch *dispatch,
struct evdev_device *device,
struct input_event *event,
- uint32_t time)
+ uint64_t time)
{
+ int need_frame = 0;
+
switch (event->type) {
case EV_REL:
evdev_process_relative(device, event, time);
evdev_process_key(device, event, time);
break;
case EV_SYN:
+ need_frame = evdev_need_touch_frame(device);
evdev_flush_pending_event(device, time);
+ if (need_frame)
+ touch_notify_frame(&device->base, time);
break;
}
}
return dispatch;
}
-static void
-evdev_process_events(struct evdev_device *device,
- struct input_event *ev, int count)
+static inline void
+evdev_process_event(struct evdev_device *device, struct input_event *e)
{
struct evdev_dispatch *dispatch = device->dispatch;
- struct input_event *e, *end;
- uint32_t time = 0;
+ uint64_t time = e->time.tv_sec * 1000ULL + e->time.tv_usec / 1000;
- e = ev;
- end = e + count;
- for (e = ev; e < end; e++) {
- time = e->time.tv_sec * 1000 + e->time.tv_usec / 1000;
+ dispatch->interface->process(dispatch, device, e, time);
+}
- dispatch->interface->process(dispatch, device, e, time);
+static inline void
+evdev_device_dispatch_one(struct evdev_device *device,
+ struct input_event *ev)
+{
+ if (!device->mtdev) {
+ evdev_process_event(device, ev);
+ } else {
+ mtdev_put_event(device->mtdev, ev);
+ if (libevdev_event_is_code(ev, EV_SYN, SYN_REPORT)) {
+ while (!mtdev_empty(device->mtdev)) {
+ struct input_event e;
+ mtdev_get_event(device->mtdev, &e);
+ evdev_process_event(device, &e);
+ }
+ }
}
}
+static int
+evdev_sync_device(struct evdev_device *device)
+{
+ struct input_event ev;
+ int rc;
+
+ do {
+ rc = libevdev_next_event(device->evdev,
+ LIBEVDEV_READ_FLAG_SYNC, &ev);
+ if (rc < 0)
+ break;
+ evdev_device_dispatch_one(device, &ev);
+ } while (rc == LIBEVDEV_READ_STATUS_SYNC);
+
+ return rc == -EAGAIN ? 0 : rc;
+}
+
static void
evdev_device_dispatch(void *data)
{
struct evdev_device *device = data;
struct libinput *libinput = device->base.seat->libinput;
- int fd = device->fd;
- struct input_event ev[32];
- int len;
+ struct input_event ev;
+ int rc;
/* If the compositor is repainting, this function is called only once
* per frame and we have to process all the events available on the
* fd, otherwise there will be input lag. */
do {
- if (device->mtdev)
- len = mtdev_get(device->mtdev, fd, ev,
- ARRAY_LENGTH(ev)) *
- sizeof (struct input_event);
- else
- len = read(fd, &ev, sizeof ev);
-
- if (len < 0 || len % sizeof ev[0] != 0) {
- if (len < 0 && errno != EAGAIN && errno != EINTR) {
- libinput_remove_source(libinput,
- device->source);
- device->source = NULL;
- }
-
- return;
+ rc = libevdev_next_event(device->evdev,
+ LIBEVDEV_READ_FLAG_NORMAL, &ev);
+ if (rc == LIBEVDEV_READ_STATUS_SYNC) {
+ /* send one more sync event so we handle all
+ currently pending events before we sync up
+ to the current state */
+ ev.code = SYN_REPORT;
+ evdev_device_dispatch_one(device, &ev);
+
+ rc = evdev_sync_device(device);
+ if (rc == 0)
+ rc = LIBEVDEV_READ_STATUS_SUCCESS;
+ } else if (rc == LIBEVDEV_READ_STATUS_SUCCESS) {
+ evdev_device_dispatch_one(device, &ev);
}
+ } while (rc == LIBEVDEV_READ_STATUS_SUCCESS);
+
+ if (rc != -EAGAIN && rc != -EINTR) {
+ libinput_remove_source(libinput, device->source);
+ device->source = NULL;
+ }
+}
- evdev_process_events(device, ev, len / sizeof ev[0]);
+static int
+configure_pointer_acceleration(struct evdev_device *device)
+{
+ device->pointer.filter =
+ create_pointer_accelator_filter(
+ pointer_accel_profile_smooth_simple);
+ if (!device->pointer.filter)
+ return -1;
- } while (len > 0);
+ return 0;
}
static int
-evdev_handle_device(struct evdev_device *device)
-{
- struct input_absinfo absinfo;
- unsigned long ev_bits[NBITS(EV_MAX)];
- unsigned long abs_bits[NBITS(ABS_MAX)];
- unsigned long rel_bits[NBITS(REL_MAX)];
- unsigned long key_bits[NBITS(KEY_MAX)];
- int has_key, has_abs;
+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;
+ int has_abs, has_rel, has_mt;
+ int has_button, has_keyboard, has_touch;
+ struct mt_slot *slots;
+ int num_slots;
+ int active_slot;
+ int slot;
unsigned int i;
- has_key = 0;
+ has_rel = 0;
has_abs = 0;
- device->caps = 0;
-
- ioctl(device->fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
- if (TEST_BIT(ev_bits, EV_ABS)) {
- has_abs = 1;
-
- ioctl(device->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bits)),
- abs_bits);
-
- if (TEST_BIT(abs_bits, ABS_WHEEL) ||
- TEST_BIT(abs_bits, ABS_GAS) ||
- TEST_BIT(abs_bits, ABS_BRAKE) ||
- TEST_BIT(abs_bits, ABS_HAT0X)) {
- /* Device %s is a joystick, ignoring. */
- return 0;
- }
-
- if (TEST_BIT(abs_bits, ABS_X)) {
- ioctl(device->fd, EVIOCGABS(ABS_X), &absinfo);
- device->abs.min_x = absinfo.minimum;
- device->abs.max_x = absinfo.maximum;
- device->caps |= EVDEV_MOTION_ABS;
+ has_mt = 0;
+ has_button = 0;
+ has_keyboard = 0;
+ has_touch = 0;
+
+ if (libevdev_has_event_type(evdev, EV_ABS)) {
+
+ if ((absinfo = libevdev_get_abs_info(evdev, ABS_X))) {
+ if (absinfo->resolution == 0) {
+ 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;
}
- if (TEST_BIT(abs_bits, ABS_Y)) {
- ioctl(device->fd, EVIOCGABS(ABS_Y), &absinfo);
- device->abs.min_y = absinfo.minimum;
- device->abs.max_y = absinfo.maximum;
- device->caps |= EVDEV_MOTION_ABS;
+ if ((absinfo = libevdev_get_abs_info(evdev, ABS_Y))) {
+ if (absinfo->resolution == 0) {
+ 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;
}
/* We only handle the slotted Protocol B in weston.
Devices with ABS_MT_POSITION_* but not ABS_MT_SLOT
require mtdev for conversion. */
- if (TEST_BIT(abs_bits, ABS_MT_POSITION_X) &&
- TEST_BIT(abs_bits, ABS_MT_POSITION_Y)) {
- ioctl(device->fd, EVIOCGABS(ABS_MT_POSITION_X),
- &absinfo);
- device->abs.min_x = absinfo.minimum;
- device->abs.max_x = absinfo.maximum;
- ioctl(device->fd, EVIOCGABS(ABS_MT_POSITION_Y),
- &absinfo);
- device->abs.min_y = absinfo.minimum;
- device->abs.max_y = absinfo.maximum;
+ if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) &&
+ libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y)) {
+ absinfo = libevdev_get_abs_info(evdev, ABS_MT_POSITION_X);
+ if (absinfo->resolution == 0) {
+ fixed = *absinfo;
+ fixed.resolution = 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);
+ if (absinfo->resolution == 0) {
+ fixed = *absinfo;
+ fixed.resolution = 1;
+ libevdev_set_abs_info(evdev,
+ ABS_MT_POSITION_Y,
+ &fixed);
+ device->abs.fake_resolution = 1;
+ }
+ device->abs.absinfo_y = absinfo;
device->is_mt = 1;
- device->caps |= EVDEV_TOUCH;
+ has_touch = 1;
+ has_mt = 1;
- if (!TEST_BIT(abs_bits, ABS_MT_SLOT)) {
+ if (!libevdev_has_event_code(evdev,
+ EV_ABS, ABS_MT_SLOT)) {
device->mtdev = mtdev_new_open(device->fd);
- if (!device->mtdev) {
- /* mtdev required but failed to open. */
- return 0;
- }
- device->mt.slot = device->mtdev->caps.slot.value;
+ if (!device->mtdev)
+ return -1;
+
+ num_slots = device->mtdev->caps.slot.maximum;
+ if (device->mtdev->caps.slot.minimum < 0 ||
+ num_slots <= 0)
+ return -1;
+ active_slot = device->mtdev->caps.slot.value;
} else {
- ioctl(device->fd, EVIOCGABS(ABS_MT_SLOT),
- &absinfo);
- device->mt.slot = absinfo.value;
+ num_slots = libevdev_get_num_slots(device->evdev);
+ active_slot = libevdev_get_current_slot(evdev);
}
- }
- }
- if (TEST_BIT(ev_bits, EV_REL)) {
- ioctl(device->fd, EVIOCGBIT(EV_REL, sizeof(rel_bits)),
- rel_bits);
- if (TEST_BIT(rel_bits, REL_X) || TEST_BIT(rel_bits, REL_Y))
- device->caps |= EVDEV_MOTION_REL;
- }
- if (TEST_BIT(ev_bits, EV_KEY)) {
- has_key = 1;
- ioctl(device->fd, EVIOCGBIT(EV_KEY, sizeof(key_bits)),
- key_bits);
- if (TEST_BIT(key_bits, BTN_TOOL_FINGER) &&
- !TEST_BIT(key_bits, BTN_TOOL_PEN) &&
- has_abs) {
- device->dispatch = evdev_touchpad_create(device);
- }
- for (i = KEY_ESC; i < KEY_MAX; i++) {
- if (i >= BTN_MISC && i < KEY_OK)
- continue;
- if (TEST_BIT(key_bits, i)) {
- device->caps |= EVDEV_KEYBOARD;
- break;
+
+ slots = calloc(num_slots, sizeof(struct mt_slot));
+ if (!slots)
+ return -1;
+
+ for (slot = 0; slot < num_slots; ++slot) {
+ slots[slot].seat_slot = -1;
+ slots[slot].x = 0;
+ slots[slot].y = 0;
}
+ device->mt.slots = slots;
+ device->mt.slots_len = num_slots;
+ device->mt.slot = active_slot;
}
- if (TEST_BIT(key_bits, BTN_TOUCH)) {
- device->caps |= EVDEV_TOUCH;
+ }
+ if (libevdev_has_event_code(evdev, EV_REL, REL_X) ||
+ libevdev_has_event_code(evdev, EV_REL, REL_Y))
+ has_rel = 1;
+
+ if (libevdev_has_event_type(evdev, EV_KEY)) {
+ if (!libevdev_has_property(evdev, INPUT_PROP_DIRECT) &&
+ libevdev_has_event_code(evdev, EV_KEY, BTN_TOOL_FINGER) &&
+ !libevdev_has_event_code(evdev, EV_KEY, BTN_TOOL_PEN) &&
+ (has_abs || has_mt)) {
+ device->dispatch = evdev_mt_touchpad_create(device);
+ log_info(libinput,
+ "input device '%s', %s is a touchpad\n",
+ device->devname, device->devnode);
+ return device->dispatch == NULL ? -1 : 0;
}
- for (i = BTN_MISC; i < BTN_JOYSTICK; i++) {
- if (TEST_BIT(key_bits, i)) {
- device->caps |= EVDEV_BUTTON;
- device->caps &= ~EVDEV_TOUCH;
- break;
+
+ for (i = 0; i < KEY_MAX; i++) {
+ if (libevdev_has_event_code(evdev, EV_KEY, i)) {
+ 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 (TEST_BIT(ev_bits, EV_LED)) {
- device->caps |= EVDEV_KEYBOARD;
- }
- /* This rule tries to catch accelerometer devices and opt out. We may
- * want to adjust the protocol later adding a proper event for dealing
- * with accelerometers and implement here accordingly */
- if (has_abs && !has_key && !device->is_mt) {
- return 0;
+ if (libevdev_has_event_code(evdev, EV_KEY, BTN_TOUCH))
+ has_touch = 1;
}
+ if (libevdev_has_event_type(evdev, EV_LED))
+ has_keyboard = 1;
- return 1;
-}
+ if ((has_abs || has_rel) && has_button) {
+ if (configure_pointer_acceleration(device) == -1)
+ return -1;
-static void
-evdev_configure_device(struct evdev_device *device)
-{
- if ((device->caps & (EVDEV_MOTION_ABS | EVDEV_MOTION_REL)) &&
- (device->caps & EVDEV_BUTTON))
device->seat_caps |= EVDEV_DEVICE_POINTER;
- if ((device->caps & EVDEV_KEYBOARD))
- device->seat_caps |= EVDEV_DEVICE_KEYBOARD;
- if ((device->caps & EVDEV_TOUCH))
- device->seat_caps |= EVDEV_DEVICE_TOUCH;
-}
-static void
-register_device_capabilities(struct evdev_device *device)
-{
- if (device->seat_caps & EVDEV_DEVICE_POINTER) {
- device_register_capability(&device->base,
- LIBINPUT_DEVICE_CAP_POINTER);
+ 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": "",
+ has_button ? " button" : "");
}
- if (device->seat_caps & EVDEV_DEVICE_KEYBOARD) {
- device_register_capability(&device->base,
- LIBINPUT_DEVICE_CAP_KEYBOARD);
+ if (has_keyboard) {
+ device->seat_caps |= EVDEV_DEVICE_KEYBOARD;
+ log_info(libinput,
+ "input device '%s', %s is a keyboard\n",
+ device->devname, device->devnode);
}
- if (device->seat_caps & EVDEV_DEVICE_TOUCH) {
- device_register_capability(&device->base,
- LIBINPUT_DEVICE_CAP_TOUCH);
+ if (has_touch && !has_button) {
+ device->seat_caps |= EVDEV_DEVICE_TOUCH;
+ log_info(libinput,
+ "input device '%s', %s is a touch device\n",
+ device->devname, device->devnode);
}
+
+ return 0;
}
struct evdev_device *
evdev_device_create(struct libinput_seat *seat,
const char *devnode,
- const char *sysname,
- int fd)
+ const char *sysname)
{
struct libinput *libinput = seat->libinput;
struct evdev_device *device;
- char devname[256] = "unknown";
+ int rc;
+ int fd;
+ int unhandled_device = 0;
+
+ /* Use non-blocking mode so that we can loop on read on
+ * evdev_device_data() until all events on the fd are
+ * read. mtdev_get() also expects this. */
+ fd = open_restricted(libinput, devnode, O_RDWR | O_NONBLOCK);
+ if (fd < 0) {
+ log_info(libinput,
+ "opening input device '%s' failed (%s).\n",
+ devnode, strerror(-fd));
+ return NULL;
+ }
device = zalloc(sizeof *device);
if (device == NULL)
return NULL;
libinput_device_init(&device->base, seat);
+ libinput_seat_ref(seat);
+
+ rc = libevdev_new_from_fd(fd, &device->evdev);
+ if (rc != 0)
+ goto err;
+
+ libevdev_set_clock_id(device->evdev, CLOCK_MONOTONIC);
device->seat_caps = 0;
device->is_mt = 0;
device->mtdev = NULL;
device->devnode = strdup(devnode);
device->sysname = strdup(sysname);
- device->mt.slot = -1;
device->rel.dx = 0;
device->rel.dy = 0;
+ device->abs.seat_slot = -1;
device->dispatch = NULL;
device->fd = fd;
device->pending_event = EVDEV_NONE;
+ device->devname = libevdev_get_name(device->evdev);
- ioctl(device->fd, EVIOCGNAME(sizeof(devname)), devname);
- devname[sizeof(devname) - 1] = '\0';
- device->devname = strdup(devname);
+ if (evdev_configure_device(device) == -1)
+ goto err;
- if (!evdev_handle_device(device)) {
- evdev_device_destroy(device);
- return NULL;
+ if (device->seat_caps == 0) {
+ unhandled_device = 1;
+ goto err;
}
- evdev_configure_device(device);
-
/* If the dispatch was not set up use the fallback. */
if (device->dispatch == NULL)
device->dispatch = fallback_dispatch_create();
list_insert(seat->devices_list.prev, &device->base.link);
notify_added_device(&device->base);
- register_device_capabilities(device);
return device;
err:
+ if (fd >= 0)
+ close_restricted(libinput, fd);
evdev_device_destroy(device);
- return NULL;
+
+ return unhandled_device ? EVDEV_UNHANDLED_DEVICE : NULL;
}
int
evdev_device_get_keys(struct evdev_device *device, char *keys, size_t size)
{
memset(keys, 0, size);
- return ioctl(device->fd, EVIOCGKEY(size), keys);
+ 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])
{
}
}
-void
-evdev_device_remove(struct evdev_device *device)
+int
+evdev_device_get_size(struct evdev_device *device,
+ double *width,
+ double *height)
{
- if (device->seat_caps & EVDEV_DEVICE_POINTER) {
- device_unregister_capability(&device->base,
- LIBINPUT_DEVICE_CAP_POINTER);
- }
- if (device->seat_caps & EVDEV_DEVICE_KEYBOARD) {
- device_unregister_capability(&device->base,
- LIBINPUT_DEVICE_CAP_KEYBOARD);
+ const struct input_absinfo *x, *y;
+
+ x = libevdev_get_abs_info(device->evdev, ABS_X);
+ y = libevdev_get_abs_info(device->evdev, ABS_Y);
+
+ if (!x || !y || device->abs.fake_resolution ||
+ !x->resolution || !y->resolution)
+ return -1;
+
+ *width = evdev_convert_to_mm(x, x->maximum);
+ *height = evdev_convert_to_mm(y, y->maximum);
+
+ return 0;
+}
+
+static void
+release_pressed_keys(struct evdev_device *device)
+{
+ struct libinput *libinput = device->base.seat->libinput;
+ struct timespec ts;
+ uint64_t time;
+ int code;
+
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) {
+ log_bug_libinput(libinput, "clock_gettime: %s\n", strerror(errno));
+ return;
}
- if (device->seat_caps & EVDEV_DEVICE_TOUCH) {
- device_unregister_capability(&device->base,
- LIBINPUT_DEVICE_CAP_TOUCH);
+
+ time = ts.tv_sec * 1000ULL + ts.tv_nsec / 1000000;
+
+ for (code = 0; code < KEY_CNT; code++) {
+ if (get_key_down_count(device, code) > 0) {
+ switch (get_key_type(code)) {
+ case EVDEV_KEY_TYPE_NONE:
+ break;
+ case EVDEV_KEY_TYPE_KEY:
+ keyboard_notify_key(
+ &device->base,
+ time,
+ code,
+ LIBINPUT_KEY_STATE_RELEASED);
+ break;
+ case EVDEV_KEY_TYPE_BUTTON:
+ pointer_notify_button(
+ &device->base,
+ time,
+ code,
+ LIBINPUT_BUTTON_STATE_RELEASED);
+ break;
+ }
+ }
}
+}
+void
+evdev_device_remove(struct evdev_device *device)
+{
if (device->source)
libinput_remove_source(device->base.seat->libinput,
device->source);
+ release_pressed_keys(device);
+
if (device->mtdev)
mtdev_close_delete(device->mtdev);
- close(device->fd);
+ close_restricted(device->base.seat->libinput, device->fd);
+ device->fd = -1;
list_remove(&device->base.link);
notify_removed_device(&device->base);
if (dispatch)
dispatch->interface->destroy(dispatch);
- free(device->devname);
+ 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);
projects / platform / upstream / libinput.git / blobdiff