x11_backend_la_SOURCES = src/compositor-x11.c
endif
-INPUT_BACKEND_SOURCES = src/udev-input.h
-
-if ENABLE_LIBINPUT_BACKEND
INPUT_BACKEND_LIBS = $(LIBINPUT_BACKEND_LIBS)
-INPUT_BACKEND_SOURCES += \
+INPUT_BACKEND_SOURCES = \
src/libinput-seat.c \
src/libinput-seat.h \
src/libinput-device.c \
src/libinput-device.h
-else
-INPUT_BACKEND_SOURCES += \
- src/filter.c \
- src/filter.h \
- src/udev-seat.c \
- src/udev-seat.h \
- src/evdev.c \
- src/evdev.h \
- src/evdev-touchpad.c
-endif
if ENABLE_DRM_COMPOSITOR
module_LTLIBRARIES += drm-backend.la
fi
-AC_ARG_ENABLE(libinput-backend, [ --disable-libinput-backend],,
- enable_libinput_backend=yes)
-AM_CONDITIONAL([ENABLE_LIBINPUT_BACKEND], [test x$enable_libinput_backend = xyes])
-if test x$enable_libinput_backend = xyes; then
- AC_DEFINE([BUILD_LIBINPUT_BACKEND], [1], [Build the libinput input device backend])
- PKG_CHECK_MODULES(LIBINPUT_BACKEND, [libinput >= 0.6.0])
-fi
-
-
+PKG_CHECK_MODULES(LIBINPUT_BACKEND, [libinput >= 0.6.0])
PKG_CHECK_MODULES(COMPOSITOR, [$COMPOSITOR_MODULES])
AC_ARG_ENABLE(wayland-compositor, [ --enable-wayland-compositor],,
#include "compositor.h"
#include "gl-renderer.h"
#include "pixman-renderer.h"
-#include "udev-input.h"
+#include "libinput-seat.h"
#include "launcher-util.h"
#include "vaapi-recorder.h"
#include "compositor.h"
#include "launcher-util.h"
#include "pixman-renderer.h"
-#include "udev-input.h"
+#include "libinput-seat.h"
#include "gl-renderer.h"
struct fbdev_compositor {
#include "compositor.h"
#include "rpi-renderer.h"
#include "launcher-util.h"
-#include "udev-input.h"
+#include "libinput-seat.h"
#if 0
#define DBG(...) \
+++ /dev/null
-/*
- * Copyright © 2012 Jonas Ådahl
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <stdbool.h>
-#include <unistd.h>
-#include <linux/input.h>
-
-#include "filter.h"
-#include "evdev.h"
-#include "../shared/config-parser.h"
-
-/* Default values */
-#define DEFAULT_CONSTANT_ACCEL_NUMERATOR 50
-#define DEFAULT_MIN_ACCEL_FACTOR 0.16
-#define DEFAULT_MAX_ACCEL_FACTOR 1.0
-#define DEFAULT_HYSTERESIS_MARGIN_DENOMINATOR 700.0
-
-#define DEFAULT_TOUCHPAD_SINGLE_TAP_BUTTON BTN_LEFT
-#define DEFAULT_TOUCHPAD_SINGLE_TAP_TIMEOUT 100
-
-enum touchpad_model {
- TOUCHPAD_MODEL_UNKNOWN = 0,
- TOUCHPAD_MODEL_SYNAPTICS,
- TOUCHPAD_MODEL_ALPS,
- TOUCHPAD_MODEL_APPLETOUCH,
- TOUCHPAD_MODEL_ELANTECH
-};
-
-enum touchpad_event {
- TOUCHPAD_EVENT_NONE = 0,
- TOUCHPAD_EVENT_ABSOLUTE_ANY = (1 << 0),
- TOUCHPAD_EVENT_ABSOLUTE_X = (1 << 1),
- TOUCHPAD_EVENT_ABSOLUTE_Y = (1 << 2),
- TOUCHPAD_EVENT_REPORT = (1 << 3)
-};
-
-struct touchpad_model_spec {
- short vendor;
- short product;
- enum touchpad_model model;
-};
-
-static struct touchpad_model_spec touchpad_spec_table[] = {
- {0x0002, 0x0007, TOUCHPAD_MODEL_SYNAPTICS},
- {0x0002, 0x0008, TOUCHPAD_MODEL_ALPS},
- {0x05ac, 0x0000, TOUCHPAD_MODEL_APPLETOUCH},
- {0x0002, 0x000e, TOUCHPAD_MODEL_ELANTECH},
- {0x0000, 0x0000, TOUCHPAD_MODEL_UNKNOWN}
-};
-
-enum touchpad_state {
- TOUCHPAD_STATE_NONE = 0,
- TOUCHPAD_STATE_TOUCH = (1 << 0),
- TOUCHPAD_STATE_MOVE = (1 << 1)
-};
-
-#define TOUCHPAD_HISTORY_LENGTH 4
-
-struct touchpad_motion {
- int32_t x;
- int32_t y;
-};
-
-enum touchpad_fingers_state {
- TOUCHPAD_FINGERS_ONE = (1 << 0),
- TOUCHPAD_FINGERS_TWO = (1 << 1),
- TOUCHPAD_FINGERS_THREE = (1 << 2)
-};
-
-enum fsm_event {
- FSM_EVENT_TOUCH,
- FSM_EVENT_RELEASE,
- FSM_EVENT_MOTION,
- FSM_EVENT_TIMEOUT
-};
-
-enum fsm_state {
- FSM_IDLE,
- FSM_TOUCH,
- FSM_TAP,
- FSM_TAP_2,
- FSM_DRAG
-};
-
-struct touchpad_dispatch {
- struct evdev_dispatch base;
- struct evdev_device *device;
-
- enum touchpad_model model;
- unsigned int state;
- int finger_state;
- int last_finger_state;
-
- double constant_accel_factor;
- double min_accel_factor;
- double max_accel_factor;
-
- unsigned int event_mask;
- unsigned int event_mask_filter;
-
- int reset;
-
- struct {
- bool enable;
-
- struct wl_array events;
- enum fsm_state state;
- struct wl_event_source *timer_source;
- } fsm;
-
- struct {
- int32_t x;
- int32_t y;
- } hw_abs;
-
- int has_pressure;
- struct {
- int32_t touch_low;
- int32_t touch_high;
- } pressure;
-
- struct {
- int32_t margin_x;
- int32_t margin_y;
- int32_t center_x;
- int32_t center_y;
- } hysteresis;
-
- struct touchpad_motion motion_history[TOUCHPAD_HISTORY_LENGTH];
- int motion_index;
- unsigned int motion_count;
-
- struct weston_motion_filter *filter;
-};
-
-static enum touchpad_model
-get_touchpad_model(struct evdev_device *device)
-{
- struct input_id id;
- unsigned int i;
-
- if (ioctl(device->fd, EVIOCGID, &id) < 0)
- return TOUCHPAD_MODEL_UNKNOWN;
-
- for (i = 0; i < ARRAY_LENGTH(touchpad_spec_table); i++)
- if (touchpad_spec_table[i].vendor == id.vendor &&
- (!touchpad_spec_table[i].product ||
- touchpad_spec_table[i].product == id.product))
- return touchpad_spec_table[i].model;
-
- return TOUCHPAD_MODEL_UNKNOWN;
-}
-
-static void
-configure_touchpad_pressure(struct touchpad_dispatch *touchpad,
- int32_t pressure_min, int32_t pressure_max)
-{
- int32_t range = pressure_max - pressure_min + 1;
-
- touchpad->has_pressure = 1;
-
- /* Magic numbers from xf86-input-synaptics */
- switch (touchpad->model) {
- case TOUCHPAD_MODEL_ELANTECH:
- touchpad->pressure.touch_low = pressure_min + 1;
- touchpad->pressure.touch_high = pressure_min + 1;
- break;
- default:
- touchpad->pressure.touch_low =
- pressure_min + range * (25.0/256.0);
- touchpad->pressure.touch_high =
- pressure_min + range * (30.0/256.0);
- }
-}
-
-static double
-touchpad_profile(struct weston_motion_filter *filter,
- void *data,
- double velocity,
- uint32_t time)
-{
- struct touchpad_dispatch *touchpad =
- (struct touchpad_dispatch *) data;
-
- double accel_factor;
-
- accel_factor = velocity * touchpad->constant_accel_factor;
-
- if (accel_factor > touchpad->max_accel_factor)
- accel_factor = touchpad->max_accel_factor;
- else if (accel_factor < touchpad->min_accel_factor)
- accel_factor = touchpad->min_accel_factor;
-
- return accel_factor;
-}
-
-static inline struct touchpad_motion *
-motion_history_offset(struct touchpad_dispatch *touchpad, int offset)
-{
- int offset_index =
- (touchpad->motion_index - offset + TOUCHPAD_HISTORY_LENGTH) %
- TOUCHPAD_HISTORY_LENGTH;
-
- return &touchpad->motion_history[offset_index];
-}
-
-static double
-estimate_delta(int x0, int x1, int x2, int x3)
-{
- return (x0 + x1 - x2 - x3) / 4;
-}
-
-static int
-hysteresis(int in, int center, int margin)
-{
- int diff = in - center;
- if (abs(diff) <= margin)
- return center;
-
- if (diff > margin)
- return center + diff - margin;
- else if (diff < -margin)
- return center + diff + margin;
- return center + diff;
-}
-
-static void
-touchpad_get_delta(struct touchpad_dispatch *touchpad, double *dx, double *dy)
-{
- *dx = estimate_delta(motion_history_offset(touchpad, 0)->x,
- motion_history_offset(touchpad, 1)->x,
- motion_history_offset(touchpad, 2)->x,
- motion_history_offset(touchpad, 3)->x);
- *dy = estimate_delta(motion_history_offset(touchpad, 0)->y,
- motion_history_offset(touchpad, 1)->y,
- motion_history_offset(touchpad, 2)->y,
- motion_history_offset(touchpad, 3)->y);
-}
-
-static void
-filter_motion(struct touchpad_dispatch *touchpad,
- double *dx, double *dy, uint32_t time)
-{
- struct weston_motion_params motion;
-
- motion.dx = *dx;
- motion.dy = *dy;
-
- weston_filter_dispatch(touchpad->filter, &motion, touchpad, time);
-
- *dx = motion.dx;
- *dy = motion.dy;
-}
-
-static void
-notify_button_pressed(struct touchpad_dispatch *touchpad, uint32_t time)
-{
- notify_button(touchpad->device->seat, time,
- DEFAULT_TOUCHPAD_SINGLE_TAP_BUTTON,
- WL_POINTER_BUTTON_STATE_PRESSED);
-}
-
-static void
-notify_button_released(struct touchpad_dispatch *touchpad, uint32_t time)
-{
- notify_button(touchpad->device->seat, time,
- DEFAULT_TOUCHPAD_SINGLE_TAP_BUTTON,
- WL_POINTER_BUTTON_STATE_RELEASED);
-}
-
-static void
-notify_tap(struct touchpad_dispatch *touchpad, uint32_t time)
-{
- notify_button_pressed(touchpad, time);
- notify_button_released(touchpad, time);
-}
-
-static void
-process_fsm_events(struct touchpad_dispatch *touchpad, uint32_t time)
-{
- uint32_t timeout = UINT32_MAX;
- enum fsm_event *pevent;
- enum fsm_event event;
-
- if (!touchpad->fsm.enable)
- return;
-
- if (touchpad->fsm.events.size == 0)
- return;
-
- wl_array_for_each(pevent, &touchpad->fsm.events) {
- event = *pevent;
- timeout = 0;
-
- switch (touchpad->fsm.state) {
- case FSM_IDLE:
- switch (event) {
- case FSM_EVENT_TOUCH:
- touchpad->fsm.state = FSM_TOUCH;
- break;
- default:
- break;
- }
- break;
- case FSM_TOUCH:
- switch (event) {
- case FSM_EVENT_RELEASE:
- timeout = DEFAULT_TOUCHPAD_SINGLE_TAP_TIMEOUT;
- touchpad->fsm.state = FSM_TAP;
- break;
- default:
- touchpad->fsm.state = FSM_IDLE;
- break;
- }
- break;
- case FSM_TAP:
- switch (event) {
- case FSM_EVENT_TIMEOUT:
- notify_tap(touchpad, time);
- touchpad->fsm.state = FSM_IDLE;
- break;
- case FSM_EVENT_TOUCH:
- notify_button_pressed(touchpad, time);
- touchpad->fsm.state = FSM_TAP_2;
- break;
- default:
- touchpad->fsm.state = FSM_IDLE;
- break;
- }
- break;
- case FSM_TAP_2:
- switch (event) {
- case FSM_EVENT_MOTION:
- touchpad->fsm.state = FSM_DRAG;
- break;
- case FSM_EVENT_RELEASE:
- notify_button_released(touchpad, time);
- notify_tap(touchpad, time);
- touchpad->fsm.state = FSM_IDLE;
- break;
- default:
- touchpad->fsm.state = FSM_IDLE;
- break;
- }
- break;
- case FSM_DRAG:
- switch (event) {
- case FSM_EVENT_RELEASE:
- notify_button_released(touchpad, time);
- touchpad->fsm.state = FSM_IDLE;
- break;
- default:
- touchpad->fsm.state = FSM_IDLE;
- break;
- }
- break;
- default:
- weston_log("evdev-touchpad: Unknown state %d",
- touchpad->fsm.state);
- touchpad->fsm.state = FSM_IDLE;
- break;
- }
- }
-
- if (timeout != UINT32_MAX)
- wl_event_source_timer_update(touchpad->fsm.timer_source,
- timeout);
-
- wl_array_release(&touchpad->fsm.events);
- wl_array_init(&touchpad->fsm.events);
-}
-
-static void
-push_fsm_event(struct touchpad_dispatch *touchpad,
- enum fsm_event event)
-{
- enum fsm_event *pevent;
-
- if (!touchpad->fsm.enable)
- return;
-
- pevent = wl_array_add(&touchpad->fsm.events, sizeof event);
- if (pevent)
- *pevent = event;
- else
- touchpad->fsm.state = FSM_IDLE;
-}
-
-static int
-fsm_timout_handler(void *data)
-{
- struct touchpad_dispatch *touchpad = data;
-
- if (touchpad->fsm.events.size == 0) {
- push_fsm_event(touchpad, FSM_EVENT_TIMEOUT);
- process_fsm_events(touchpad, weston_compositor_get_time());
- }
-
- return 1;
-}
-
-static void
-touchpad_update_state(struct touchpad_dispatch *touchpad, uint32_t time)
-{
- int motion_index;
- int center_x, center_y;
- double dx = 0.0, dy = 0.0;
-
- if (touchpad->reset ||
- touchpad->last_finger_state != touchpad->finger_state) {
- touchpad->reset = 0;
- touchpad->motion_count = 0;
- touchpad->event_mask = TOUCHPAD_EVENT_NONE;
- touchpad->event_mask_filter =
- TOUCHPAD_EVENT_ABSOLUTE_X | TOUCHPAD_EVENT_ABSOLUTE_Y;
-
- touchpad->last_finger_state = touchpad->finger_state;
-
- process_fsm_events(touchpad, time);
-
- return;
- }
- touchpad->last_finger_state = touchpad->finger_state;
-
- if (!(touchpad->event_mask & TOUCHPAD_EVENT_REPORT))
- return;
- else
- touchpad->event_mask &= ~TOUCHPAD_EVENT_REPORT;
-
- if ((touchpad->event_mask & touchpad->event_mask_filter) !=
- touchpad->event_mask_filter)
- return;
-
- touchpad->event_mask_filter = TOUCHPAD_EVENT_ABSOLUTE_ANY;
- touchpad->event_mask = 0;
-
- /* Avoid noice by moving center only when delta reaches a threshold
- * distance from the old center. */
- if (touchpad->motion_count > 0) {
- center_x = hysteresis(touchpad->hw_abs.x,
- touchpad->hysteresis.center_x,
- touchpad->hysteresis.margin_x);
- center_y = hysteresis(touchpad->hw_abs.y,
- touchpad->hysteresis.center_y,
- touchpad->hysteresis.margin_y);
- } else {
- center_x = touchpad->hw_abs.x;
- center_y = touchpad->hw_abs.y;
- }
- touchpad->hysteresis.center_x = center_x;
- touchpad->hysteresis.center_y = center_y;
- touchpad->hw_abs.x = center_x;
- touchpad->hw_abs.y = center_y;
-
- /* Update motion history tracker */
- motion_index = (touchpad->motion_index + 1) % TOUCHPAD_HISTORY_LENGTH;
- touchpad->motion_index = motion_index;
- touchpad->motion_history[motion_index].x = touchpad->hw_abs.x;
- touchpad->motion_history[motion_index].y = touchpad->hw_abs.y;
- if (touchpad->motion_count < 4)
- touchpad->motion_count++;
-
- if (touchpad->motion_count >= 4) {
- touchpad_get_delta(touchpad, &dx, &dy);
-
- filter_motion(touchpad, &dx, &dy, time);
-
- if (touchpad->finger_state == TOUCHPAD_FINGERS_ONE) {
- notify_motion(touchpad->device->seat, time,
- wl_fixed_from_double(dx),
- wl_fixed_from_double(dy));
- } else if (touchpad->finger_state == TOUCHPAD_FINGERS_TWO) {
- if (dx != 0.0)
- notify_axis(touchpad->device->seat,
- time,
- WL_POINTER_AXIS_HORIZONTAL_SCROLL,
- wl_fixed_from_double(dx));
- if (dy != 0.0)
- notify_axis(touchpad->device->seat,
- time,
- WL_POINTER_AXIS_VERTICAL_SCROLL,
- wl_fixed_from_double(dy));
- }
- }
-
- if (!(touchpad->state & TOUCHPAD_STATE_MOVE) &&
- ((int)dx || (int)dy)) {
- touchpad->state |= TOUCHPAD_STATE_MOVE;
- push_fsm_event(touchpad, FSM_EVENT_MOTION);
- }
-
- process_fsm_events(touchpad, time);
-}
-
-static void
-on_touch(struct touchpad_dispatch *touchpad)
-{
- touchpad->state |= TOUCHPAD_STATE_TOUCH;
-
- push_fsm_event(touchpad, FSM_EVENT_TOUCH);
-}
-
-static void
-on_release(struct touchpad_dispatch *touchpad)
-{
-
- touchpad->reset = 1;
- touchpad->state &= ~(TOUCHPAD_STATE_MOVE | TOUCHPAD_STATE_TOUCH);
-
- push_fsm_event(touchpad, FSM_EVENT_RELEASE);
-}
-
-static inline void
-process_absolute(struct touchpad_dispatch *touchpad,
- struct evdev_device *device,
- struct input_event *e)
-{
- switch (e->code) {
- case ABS_PRESSURE:
- if (e->value > touchpad->pressure.touch_high &&
- !(touchpad->state & TOUCHPAD_STATE_TOUCH))
- on_touch(touchpad);
- else if (e->value < touchpad->pressure.touch_low &&
- touchpad->state & TOUCHPAD_STATE_TOUCH)
- on_release(touchpad);
-
- break;
- case ABS_X:
- if (touchpad->state & TOUCHPAD_STATE_TOUCH) {
- touchpad->hw_abs.x = e->value;
- touchpad->event_mask |= TOUCHPAD_EVENT_ABSOLUTE_ANY;
- touchpad->event_mask |= TOUCHPAD_EVENT_ABSOLUTE_X;
- }
- break;
- case ABS_Y:
- if (touchpad->state & TOUCHPAD_STATE_TOUCH) {
- touchpad->hw_abs.y = e->value;
- touchpad->event_mask |= TOUCHPAD_EVENT_ABSOLUTE_ANY;
- touchpad->event_mask |= TOUCHPAD_EVENT_ABSOLUTE_Y;
- }
- break;
- }
-}
-
-static inline void
-process_key(struct touchpad_dispatch *touchpad,
- struct evdev_device *device,
- struct input_event *e,
- uint32_t time)
-{
- uint32_t code;
-
- switch (e->code) {
- case BTN_TOUCH:
- if (!touchpad->has_pressure) {
- if (e->value && !(touchpad->state & TOUCHPAD_STATE_TOUCH))
- on_touch(touchpad);
- else if (!e->value)
- on_release(touchpad);
- }
- break;
- case BTN_LEFT:
- case BTN_RIGHT:
- case BTN_MIDDLE:
- case BTN_SIDE:
- case BTN_EXTRA:
- case BTN_FORWARD:
- case BTN_BACK:
- case BTN_TASK:
- if (!touchpad->fsm.enable && e->code == BTN_LEFT &&
- touchpad->finger_state == TOUCHPAD_FINGERS_TWO)
- code = BTN_RIGHT;
- else
- code = e->code;
- notify_button(device->seat, time, code,
- e->value ? WL_POINTER_BUTTON_STATE_PRESSED :
- WL_POINTER_BUTTON_STATE_RELEASED);
- break;
- case BTN_TOOL_PEN:
- case BTN_TOOL_RUBBER:
- case BTN_TOOL_BRUSH:
- case BTN_TOOL_PENCIL:
- case BTN_TOOL_AIRBRUSH:
- case BTN_TOOL_MOUSE:
- case BTN_TOOL_LENS:
- touchpad->reset = 1;
- break;
- case BTN_TOOL_FINGER:
- if (e->value)
- touchpad->finger_state |= TOUCHPAD_FINGERS_ONE;
- else
- touchpad->finger_state &= ~TOUCHPAD_FINGERS_ONE;
- break;
- case BTN_TOOL_DOUBLETAP:
- if (e->value)
- touchpad->finger_state |= TOUCHPAD_FINGERS_TWO;
- else
- touchpad->finger_state &= ~TOUCHPAD_FINGERS_TWO;
- break;
- case BTN_TOOL_TRIPLETAP:
- if (e->value)
- touchpad->finger_state |= TOUCHPAD_FINGERS_THREE;
- else
- touchpad->finger_state &= ~TOUCHPAD_FINGERS_THREE;
- break;
- }
-}
-
-static void
-touchpad_process(struct evdev_dispatch *dispatch,
- struct evdev_device *device,
- struct input_event *e,
- uint32_t time)
-{
- struct touchpad_dispatch *touchpad =
- (struct touchpad_dispatch *) dispatch;
-
- switch (e->type) {
- case EV_SYN:
- if (e->code == SYN_REPORT)
- touchpad->event_mask |= TOUCHPAD_EVENT_REPORT;
- break;
- case EV_ABS:
- process_absolute(touchpad, device, e);
- break;
- case EV_KEY:
- process_key(touchpad, device, e, time);
- break;
- }
-
- touchpad_update_state(touchpad, time);
-}
-
-static void
-touchpad_destroy(struct evdev_dispatch *dispatch)
-{
- struct touchpad_dispatch *touchpad =
- (struct touchpad_dispatch *) dispatch;
-
- touchpad->filter->interface->destroy(touchpad->filter);
- wl_event_source_remove(touchpad->fsm.timer_source);
- free(dispatch);
-}
-
-struct evdev_dispatch_interface touchpad_interface = {
- touchpad_process,
- touchpad_destroy
-};
-
-static void
-touchpad_parse_config(struct touchpad_dispatch *touchpad, double diagonal)
-{
- struct weston_compositor *compositor =
- touchpad->device->seat->compositor;
- struct weston_config_section *s;
- double constant_accel_factor;
- double min_accel_factor;
- double max_accel_factor;
-
- s = weston_config_get_section(compositor->config,
- "touchpad", NULL, NULL);
- weston_config_section_get_double(s, "constant_accel_factor",
- &constant_accel_factor,
- DEFAULT_CONSTANT_ACCEL_NUMERATOR);
- weston_config_section_get_double(s, "min_accel_factor",
- &min_accel_factor,
- DEFAULT_MIN_ACCEL_FACTOR);
- weston_config_section_get_double(s, "max_accel_factor",
- &max_accel_factor,
- DEFAULT_MAX_ACCEL_FACTOR);
-
- touchpad->constant_accel_factor =
- constant_accel_factor / diagonal;
- touchpad->min_accel_factor = min_accel_factor;
- touchpad->max_accel_factor = max_accel_factor;
-}
-
-static int
-touchpad_init(struct touchpad_dispatch *touchpad,
- struct evdev_device *device)
-{
- struct weston_motion_filter *accel;
- struct wl_event_loop *loop;
-
- unsigned long prop_bits[INPUT_PROP_MAX];
- struct input_absinfo absinfo;
- unsigned long abs_bits[NBITS(ABS_MAX)];
-
- bool has_buttonpad;
-
- double width;
- double height;
- double diagonal;
-
- touchpad->base.interface = &touchpad_interface;
- touchpad->device = device;
-
- /* Detect model */
- touchpad->model = get_touchpad_model(device);
-
- ioctl(device->fd, EVIOCGPROP(sizeof(prop_bits)), prop_bits);
- has_buttonpad = TEST_BIT(prop_bits, INPUT_PROP_BUTTONPAD);
-
- /* Configure pressure */
- ioctl(device->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bits)), abs_bits);
- if (TEST_BIT(abs_bits, ABS_PRESSURE)) {
- ioctl(device->fd, EVIOCGABS(ABS_PRESSURE), &absinfo);
- configure_touchpad_pressure(touchpad,
- absinfo.minimum,
- absinfo.maximum);
- }
-
- /* Configure acceleration factor */
- width = abs(device->abs.max_x - device->abs.min_x);
- height = abs(device->abs.max_y - device->abs.min_y);
- diagonal = sqrt(width*width + height*height);
-
- touchpad_parse_config(touchpad, diagonal);
-
- touchpad->hysteresis.margin_x =
- diagonal / DEFAULT_HYSTERESIS_MARGIN_DENOMINATOR;
- touchpad->hysteresis.margin_y =
- diagonal / DEFAULT_HYSTERESIS_MARGIN_DENOMINATOR;
- touchpad->hysteresis.center_x = 0;
- touchpad->hysteresis.center_y = 0;
-
- /* Configure acceleration profile */
- accel = create_pointer_accelator_filter(touchpad_profile);
- if (accel == NULL)
- return -1;
- touchpad->filter = accel;
-
- /* Setup initial state */
- touchpad->reset = 1;
-
- memset(touchpad->motion_history, 0, sizeof touchpad->motion_history);
- touchpad->motion_index = 0;
- touchpad->motion_count = 0;
-
- touchpad->state = TOUCHPAD_STATE_NONE;
- touchpad->last_finger_state = 0;
- touchpad->finger_state = 0;
-
- wl_array_init(&touchpad->fsm.events);
- touchpad->fsm.state = FSM_IDLE;
-
- loop = wl_display_get_event_loop(device->seat->compositor->wl_display);
- touchpad->fsm.timer_source =
- wl_event_loop_add_timer(loop, fsm_timout_handler, touchpad);
- if (touchpad->fsm.timer_source == NULL) {
- accel->interface->destroy(accel);
- return -1;
- }
-
- /* Configure */
- touchpad->fsm.enable = !has_buttonpad;
-
- return 0;
-}
-
-struct evdev_dispatch *
-evdev_touchpad_create(struct evdev_device *device)
-{
- struct touchpad_dispatch *touchpad;
-
- touchpad = malloc(sizeof *touchpad);
- if (touchpad == NULL)
- return NULL;
-
- if (touchpad_init(touchpad, device) != 0) {
- free(touchpad);
- return NULL;
- }
-
- return &touchpad->base;
-}
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "config.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <linux/input.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <mtdev.h>
-#include <assert.h>
-
-#include "compositor.h"
-#include "evdev.h"
-
-#define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
-
-void
-evdev_led_update(struct evdev_device *device, enum weston_led leds)
-{
- static const struct {
- enum weston_led weston;
- int evdev;
- } map[] = {
- { LED_NUM_LOCK, LED_NUML },
- { LED_CAPS_LOCK, LED_CAPSL },
- { LED_SCROLL_LOCK, LED_SCROLLL },
- };
- struct input_event ev[ARRAY_LENGTH(map) + 1];
- unsigned int i;
-
- if (!(device->seat_caps & EVDEV_SEAT_KEYBOARD))
- return;
-
- memset(ev, 0, sizeof(ev));
- for (i = 0; i < ARRAY_LENGTH(map); i++) {
- ev[i].type = EV_LED;
- ev[i].code = map[i].evdev;
- ev[i].value = !!(leds & map[i].weston);
- }
- ev[i].type = EV_SYN;
- ev[i].code = SYN_REPORT;
-
- i = write(device->fd, ev, sizeof ev);
- (void)i; /* no, we really don't care about the return value */
-}
-
-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;
- 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];
- }
-}
-
-static void
-evdev_flush_pending_event(struct evdev_device *device, uint32_t time)
-{
- struct weston_seat *master = device->seat;
- wl_fixed_t x, y;
- int32_t cx, cy;
- int slot, seat_slot;
-
- slot = device->mt.slot;
- switch (device->pending_event) {
- case EVDEV_NONE:
- return;
- case EVDEV_RELATIVE_MOTION:
- notify_motion(master, time, device->rel.dx, device->rel.dy);
- device->rel.dx = 0;
- device->rel.dy = 0;
- break;
- case EVDEV_ABSOLUTE_MT_DOWN:
- if (device->output == NULL)
- break;
- weston_output_transform_coordinate(device->output,
- wl_fixed_from_int(device->mt.slots[slot].x),
- wl_fixed_from_int(device->mt.slots[slot].y),
- &x, &y);
- seat_slot = ffs(~master->slot_map) - 1;
- device->mt.slots[slot].seat_slot = seat_slot;
- master->slot_map |= 1 << seat_slot;
-
- notify_touch(master, time, seat_slot, x, y, WL_TOUCH_DOWN);
- break;
- case EVDEV_ABSOLUTE_MT_MOTION:
- if (device->output == NULL)
- break;
- weston_output_transform_coordinate(device->output,
- wl_fixed_from_int(device->mt.slots[slot].x),
- wl_fixed_from_int(device->mt.slots[slot].y),
- &x, &y);
- seat_slot = device->mt.slots[slot].seat_slot;
- notify_touch(master, time, seat_slot, x, y, WL_TOUCH_MOTION);
- break;
- case EVDEV_ABSOLUTE_MT_UP:
- seat_slot = device->mt.slots[slot].seat_slot;
- master->slot_map &= ~(1 << seat_slot);
- notify_touch(master, time, seat_slot, 0, 0, WL_TOUCH_UP);
- break;
- case EVDEV_ABSOLUTE_TOUCH_DOWN:
- if (device->output == NULL)
- break;
- transform_absolute(device, &cx, &cy);
- weston_output_transform_coordinate(device->output,
- wl_fixed_from_int(cx),
- wl_fixed_from_int(cy),
- &x, &y);
- seat_slot = ffs(~master->slot_map) - 1;
- device->abs.seat_slot = seat_slot;
- master->slot_map |= 1 << seat_slot;
- notify_touch(master, time, seat_slot, x, y, WL_TOUCH_DOWN);
- break;
- case EVDEV_ABSOLUTE_MOTION:
- if (device->output == NULL)
- break;
- transform_absolute(device, &cx, &cy);
- weston_output_transform_coordinate(device->output,
- wl_fixed_from_int(cx),
- wl_fixed_from_int(cy),
- &x, &y);
-
- if (device->seat_caps & EVDEV_SEAT_TOUCH)
- notify_touch(master, time, device->abs.seat_slot,
- x, y, WL_TOUCH_MOTION);
- else if (device->seat_caps & EVDEV_SEAT_POINTER)
- notify_motion_absolute(master, time, x, y);
- break;
- case EVDEV_ABSOLUTE_TOUCH_UP:
- seat_slot = device->abs.seat_slot;
- master->slot_map &= ~(1 << seat_slot);
- notify_touch(master, time, seat_slot, 0, 0, WL_TOUCH_UP);
- break;
- default:
- assert(0 && "Unknown pending event type");
- }
-
- device->pending_event = EVDEV_NONE;
-}
-
-static void
-evdev_process_touch_button(struct evdev_device *device, int time, int value)
-{
- if (device->pending_event != EVDEV_NONE &&
- device->pending_event != EVDEV_ABSOLUTE_MOTION)
- evdev_flush_pending_event(device, time);
-
- device->pending_event = (value ?
- EVDEV_ABSOLUTE_TOUCH_DOWN :
- EVDEV_ABSOLUTE_TOUCH_UP);
-}
-
-static inline void
-evdev_process_key(struct evdev_device *device, struct input_event *e, int time)
-{
- /* ignore kernel key repeat */
- if (e->value == 2)
- return;
-
- if (e->code == BTN_TOUCH) {
- if (!device->is_mt)
- evdev_process_touch_button(device, time, e->value);
- 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:
- notify_button(device->seat,
- time, e->code,
- e->value ? WL_POINTER_BUTTON_STATE_PRESSED :
- WL_POINTER_BUTTON_STATE_RELEASED);
- break;
-
- default:
- notify_key(device->seat,
- time, e->code,
- e->value ? WL_KEYBOARD_KEY_STATE_PRESSED :
- WL_KEYBOARD_KEY_STATE_RELEASED,
- STATE_UPDATE_AUTOMATIC);
- break;
- }
-}
-
-static void
-evdev_process_touch(struct evdev_device *device,
- struct input_event *e,
- uint32_t time)
-{
- int screen_width, screen_height;
-
- if (device->output == NULL)
- return;
-
- screen_width = device->output->current_mode->width;
- screen_height = device->output->current_mode->height;
-
- switch (e->code) {
- case ABS_MT_SLOT:
- evdev_flush_pending_event(device, time);
- device->mt.slot = e->value;
- break;
- case ABS_MT_TRACKING_ID:
- if (device->pending_event != EVDEV_NONE &&
- device->pending_event != EVDEV_ABSOLUTE_MT_MOTION)
- evdev_flush_pending_event(device, time);
- if (e->value >= 0)
- device->pending_event = EVDEV_ABSOLUTE_MT_DOWN;
- else
- 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);
- 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);
- if (device->pending_event == EVDEV_NONE)
- device->pending_event = EVDEV_ABSOLUTE_MT_MOTION;
- break;
- }
-}
-
-static inline void
-evdev_process_absolute_motion(struct evdev_device *device,
- struct input_event *e)
-{
- int screen_width, screen_height;
-
- if (device->output == NULL)
- return;
-
- screen_width = device->output->current_mode->width;
- screen_height = device->output->current_mode->height;
-
- 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);
- 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);
- 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)
-{
- switch (e->code) {
- case REL_X:
- if (device->pending_event != EVDEV_RELATIVE_MOTION)
- evdev_flush_pending_event(device, time);
- device->rel.dx += wl_fixed_from_int(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 += wl_fixed_from_int(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 */
- notify_axis(device->seat,
- time,
- WL_POINTER_AXIS_VERTICAL_SCROLL,
- -1 * e->value * DEFAULT_AXIS_STEP_DISTANCE);
- break;
- default:
- break;
- }
- break;
- case REL_HWHEEL:
- evdev_flush_pending_event(device, time);
- switch (e->value) {
- case -1:
- /* Scroll left */
- case 1:
- /* Scroll right */
- notify_axis(device->seat,
- time,
- WL_POINTER_AXIS_HORIZONTAL_SCROLL,
- e->value * DEFAULT_AXIS_STEP_DISTANCE);
- break;
- default:
- break;
-
- }
- }
-}
-
-static inline void
-evdev_process_absolute(struct evdev_device *device,
- struct input_event *e,
- uint32_t time)
-{
- if (device->is_mt) {
- evdev_process_touch(device, e, time);
- } else {
- evdev_process_absolute_motion(device, e);
- }
-}
-
-static void
-fallback_process(struct evdev_dispatch *dispatch,
- struct evdev_device *device,
- struct input_event *event,
- uint32_t time)
-{
- switch (event->type) {
- case EV_REL:
- evdev_process_relative(device, event, time);
- break;
- case EV_ABS:
- evdev_process_absolute(device, event, time);
- break;
- case EV_KEY:
- evdev_process_key(device, event, time);
- break;
- case EV_SYN:
- evdev_flush_pending_event(device, time);
- break;
- }
-}
-
-static void
-fallback_destroy(struct evdev_dispatch *dispatch)
-{
- free(dispatch);
-}
-
-struct evdev_dispatch_interface fallback_interface = {
- fallback_process,
- fallback_destroy
-};
-
-static struct evdev_dispatch *
-fallback_dispatch_create(void)
-{
- struct evdev_dispatch *dispatch = malloc(sizeof *dispatch);
- if (dispatch == NULL)
- return NULL;
-
- dispatch->interface = &fallback_interface;
-
- return dispatch;
-}
-
-static void
-evdev_process_events(struct evdev_device *device,
- struct input_event *ev, int count)
-{
- struct evdev_dispatch *dispatch = device->dispatch;
- struct input_event *e, *end;
- uint32_t time = 0;
-
- 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);
- }
-}
-
-static int
-evdev_device_data(int fd, uint32_t mask, void *data)
-{
- struct weston_compositor *ec;
- struct evdev_device *device = data;
- struct input_event ev[32];
- int len;
-
- ec = device->seat->compositor;
- if (!ec->session_active)
- return 1;
-
- /* 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) {
- weston_log("device %s died\n",
- device->devnode);
- wl_event_source_remove(device->source);
- device->source = NULL;
- }
-
- return 1;
- }
-
- evdev_process_events(device, ev, len / sizeof ev[0]);
-
- } while (len > 0);
-
- return 1;
-}
-
-static int
-evdev_configure_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_abs, has_rel, has_mt;
- int has_button, has_keyboard, has_touch;
- unsigned int i;
-
- has_rel = 0;
- has_abs = 0;
- has_mt = 0;
- has_button = 0;
- has_keyboard = 0;
- has_touch = 0;
-
- ioctl(device->fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
- if (TEST_BIT(ev_bits, EV_ABS)) {
- ioctl(device->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bits)),
- abs_bits);
-
- 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;
- 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;
- 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;
- device->is_mt = 1;
- has_touch = 1;
- has_mt = 1;
-
- if (!TEST_BIT(abs_bits, ABS_MT_SLOT)) {
- device->mtdev = mtdev_new_open(device->fd);
- if (!device->mtdev) {
- weston_log("mtdev required but failed to open for %s\n",
- device->devnode);
- return 0;
- }
- device->mt.slot = device->mtdev->caps.slot.value;
- } else {
- ioctl(device->fd, EVIOCGABS(ABS_MT_SLOT),
- &absinfo);
- device->mt.slot = absinfo.value;
- }
- }
- }
- 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))
- has_rel = 1;
- }
- if (TEST_BIT(ev_bits, EV_KEY)) {
- 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 || has_mt)) {
- device->dispatch = evdev_touchpad_create(device);
- weston_log("input device %s, %s is a touchpad\n",
- device->devname, device->devnode);
- }
- for (i = KEY_ESC; i < KEY_MAX; i++) {
- if (i >= BTN_MISC && i < KEY_OK)
- continue;
- if (TEST_BIT(key_bits, i)) {
- has_keyboard = 1;
- break;
- }
- }
- if (TEST_BIT(key_bits, BTN_TOUCH))
- has_touch = 1;
- for (i = BTN_MISC; i < BTN_JOYSTICK; i++) {
- if (TEST_BIT(key_bits, i)) {
- has_button = 1;
- break;
- }
- }
- }
- if (TEST_BIT(ev_bits, EV_LED))
- has_keyboard = 1;
-
- if ((has_abs || has_rel) && has_button) {
- weston_seat_init_pointer(device->seat);
- device->seat_caps |= EVDEV_SEAT_POINTER;
- weston_log("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 (has_keyboard) {
- if (weston_seat_init_keyboard(device->seat, NULL) < 0)
- return -1;
- device->seat_caps |= EVDEV_SEAT_KEYBOARD;
- weston_log("input device %s, %s is a keyboard\n",
- device->devname, device->devnode);
- }
- if (has_touch && !has_button) {
- weston_seat_init_touch(device->seat);
- device->seat_caps |= EVDEV_SEAT_TOUCH;
- weston_log("input device %s, %s is a touch device\n",
- device->devname, device->devnode);
- }
-
- return 0;
-}
-
-static void
-notify_output_destroy(struct wl_listener *listener, void *data)
-{
- struct evdev_device *device =
- container_of(listener,
- struct evdev_device, output_destroy_listener);
- struct weston_compositor *c = device->seat->compositor;
- struct weston_output *output;
-
- if (!device->output_name && !wl_list_empty(&c->output_list)) {
- output = container_of(c->output_list.next,
- struct weston_output, link);
- evdev_device_set_output(device, output);
- } else {
- device->output = NULL;
- }
-}
-
-void
-evdev_device_set_output(struct evdev_device *device,
- struct weston_output *output)
-{
- if (device->output_destroy_listener.notify) {
- wl_list_remove(&device->output_destroy_listener.link);
- device->output_destroy_listener.notify = NULL;
- }
-
- device->output = output;
- device->output_destroy_listener.notify = notify_output_destroy;
- wl_signal_add(&output->destroy_signal,
- &device->output_destroy_listener);
-}
-
-struct evdev_device *
-evdev_device_create(struct weston_seat *seat, const char *path, int device_fd)
-{
- struct evdev_device *device;
- struct weston_compositor *ec;
- char devname[256] = "unknown";
-
- device = zalloc(sizeof *device);
- if (device == NULL)
- return NULL;
-
- ec = seat->compositor;
- device->seat = seat;
- device->seat_caps = 0;
- device->is_mt = 0;
- device->mtdev = NULL;
- device->devnode = strdup(path);
- device->mt.slot = -1;
- device->rel.dx = 0;
- device->rel.dy = 0;
- device->dispatch = NULL;
- device->fd = device_fd;
- device->pending_event = EVDEV_NONE;
- wl_list_init(&device->link);
-
- 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 (device->seat_caps == 0) {
- evdev_device_destroy(device);
- return EVDEV_UNHANDLED_DEVICE;
- }
-
- /* If the dispatch was not set up use the fallback. */
- if (device->dispatch == NULL)
- device->dispatch = fallback_dispatch_create();
- if (device->dispatch == NULL)
- goto err;
-
- device->source = wl_event_loop_add_fd(ec->input_loop, device->fd,
- WL_EVENT_READABLE,
- evdev_device_data, device);
- if (device->source == NULL)
- goto err;
-
- return device;
-
-err:
- evdev_device_destroy(device);
- return NULL;
-}
-
-void
-evdev_device_destroy(struct evdev_device *device)
-{
- struct evdev_dispatch *dispatch;
-
- if (device->seat_caps & EVDEV_SEAT_POINTER)
- weston_seat_release_pointer(device->seat);
- if (device->seat_caps & EVDEV_SEAT_KEYBOARD)
- weston_seat_release_keyboard(device->seat);
- if (device->seat_caps & EVDEV_SEAT_TOUCH)
- weston_seat_release_touch(device->seat);
-
- dispatch = device->dispatch;
- if (dispatch)
- dispatch->interface->destroy(dispatch);
-
- if (device->source)
- wl_event_source_remove(device->source);
- if (device->output)
- wl_list_remove(&device->output_destroy_listener.link);
- wl_list_remove(&device->link);
- if (device->mtdev)
- mtdev_close_delete(device->mtdev);
- close(device->fd);
- free(device->devname);
- free(device->devnode);
- free(device->output_name);
- free(device);
-}
-
-void
-evdev_notify_keyboard_focus(struct weston_seat *seat,
- struct wl_list *evdev_devices)
-{
- struct evdev_device *device;
- struct wl_array keys;
- unsigned int i, set;
- char evdev_keys[(KEY_CNT + 7) / 8];
- char all_keys[(KEY_CNT + 7) / 8];
- uint32_t *k;
- int ret;
-
- if (!seat->keyboard_device_count > 0)
- return;
-
- memset(all_keys, 0, sizeof all_keys);
- wl_list_for_each(device, evdev_devices, link) {
- memset(evdev_keys, 0, sizeof evdev_keys);
- ret = ioctl(device->fd,
- EVIOCGKEY(sizeof evdev_keys), evdev_keys);
- if (ret < 0) {
- weston_log("failed to get keys for device %s\n",
- device->devnode);
- continue;
- }
- for (i = 0; i < ARRAY_LENGTH(evdev_keys); i++)
- all_keys[i] |= evdev_keys[i];
- }
-
- wl_array_init(&keys);
- for (i = 0; i < KEY_CNT; i++) {
- set = all_keys[i >> 3] & (1 << (i & 7));
- if (set) {
- k = wl_array_add(&keys, sizeof *k);
- *k = i;
- }
- }
-
- notify_keyboard_focus_in(seat, &keys, STATE_UPDATE_AUTOMATIC);
-
- wl_array_release(&keys);
-}
+++ /dev/null
-/*
- * Copyright © 2011, 2012 Intel Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef EVDEV_H
-#define EVDEV_H
-
-#include "config.h"
-
-#include <linux/input.h>
-#include <wayland-util.h>
-
-#define MAX_SLOTS 16
-
-enum evdev_event_type {
- EVDEV_NONE,
- EVDEV_ABSOLUTE_TOUCH_DOWN,
- EVDEV_ABSOLUTE_MOTION,
- EVDEV_ABSOLUTE_TOUCH_UP,
- EVDEV_ABSOLUTE_MT_DOWN,
- EVDEV_ABSOLUTE_MT_MOTION,
- EVDEV_ABSOLUTE_MT_UP,
- EVDEV_RELATIVE_MOTION,
-};
-
-enum evdev_device_seat_capability {
- EVDEV_SEAT_POINTER = (1 << 0),
- EVDEV_SEAT_KEYBOARD = (1 << 1),
- EVDEV_SEAT_TOUCH = (1 << 2)
-};
-
-struct evdev_device {
- struct weston_seat *seat;
- struct wl_list link;
- struct wl_event_source *source;
- struct weston_output *output;
- struct evdev_dispatch *dispatch;
- struct wl_listener output_destroy_listener;
- char *devnode;
- char *devname;
- char *output_name;
- int fd;
- struct {
- int min_x, max_x, min_y, max_y;
- uint32_t seat_slot;
- int32_t x, y;
-
- int apply_calibration;
- float calibration[6];
- } abs;
-
- struct {
- int slot;
- struct {
- int32_t x, y;
- uint32_t seat_slot;
- } slots[MAX_SLOTS];
- } mt;
- struct mtdev *mtdev;
-
- struct {
- wl_fixed_t dx, dy;
- } rel;
-
- enum evdev_event_type pending_event;
- enum evdev_device_seat_capability seat_caps;
-
- int is_mt;
-};
-
-/* copied from udev/extras/input_id/input_id.c */
-/* we must use this kernel-compatible implementation */
-#define BITS_PER_LONG (sizeof(unsigned long) * 8)
-#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
-#define OFF(x) ((x)%BITS_PER_LONG)
-#define BIT(x) (1UL<<OFF(x))
-#define LONG(x) ((x)/BITS_PER_LONG)
-#define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
-/* end copied */
-
-#define EVDEV_UNHANDLED_DEVICE ((struct evdev_device *) 1)
-
-struct evdev_dispatch;
-
-struct evdev_dispatch_interface {
- /* Process an evdev input event. */
- void (*process)(struct evdev_dispatch *dispatch,
- struct evdev_device *device,
- struct input_event *event,
- uint32_t time);
-
- /* Destroy an event dispatch handler and free all its resources. */
- void (*destroy)(struct evdev_dispatch *dispatch);
-};
-
-struct evdev_dispatch {
- struct evdev_dispatch_interface *interface;
-};
-
-struct evdev_dispatch *
-evdev_touchpad_create(struct evdev_device *device);
-
-void
-evdev_led_update(struct evdev_device *device, enum weston_led leds);
-
-struct evdev_device *
-evdev_device_create(struct weston_seat *seat, const char *path, int device_fd);
-
-void
-evdev_device_set_output(struct evdev_device *device,
- struct weston_output *output);
-void
-evdev_device_destroy(struct evdev_device *device);
-
-void
-evdev_notify_keyboard_focus(struct weston_seat *seat,
- struct wl_list *evdev_devices);
-
-#endif /* EVDEV_H */
+++ /dev/null
-/*
- * Copyright © 2012 Jonas Ådahl
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <limits.h>
-#include <math.h>
-
-#include <wayland-util.h>
-
-#include "compositor.h"
-#include "filter.h"
-
-WL_EXPORT void
-weston_filter_dispatch(struct weston_motion_filter *filter,
- struct weston_motion_params *motion,
- void *data, uint32_t time)
-{
- filter->interface->filter(filter, motion, data, time);
-}
-
-/*
- * Pointer acceleration filter
- */
-
-#define MAX_VELOCITY_DIFF 1.0
-#define MOTION_TIMEOUT 300 /* (ms) */
-#define NUM_POINTER_TRACKERS 16
-
-struct pointer_tracker {
- double dx;
- double dy;
- uint32_t time;
- int dir;
-};
-
-struct pointer_accelerator;
-struct pointer_accelerator {
- struct weston_motion_filter base;
-
- accel_profile_func_t profile;
-
- double velocity;
- double last_velocity;
- int last_dx;
- int last_dy;
-
- struct pointer_tracker *trackers;
- int cur_tracker;
-};
-
-enum directions {
- N = 1 << 0,
- NE = 1 << 1,
- E = 1 << 2,
- SE = 1 << 3,
- S = 1 << 4,
- SW = 1 << 5,
- W = 1 << 6,
- NW = 1 << 7,
- UNDEFINED_DIRECTION = 0xff
-};
-
-static int
-get_direction(int dx, int dy)
-{
- int dir = UNDEFINED_DIRECTION;
- int d1, d2;
- double r;
-
- if (abs(dx) < 2 && abs(dy) < 2) {
- if (dx > 0 && dy > 0)
- dir = S | SE | E;
- else if (dx > 0 && dy < 0)
- dir = N | NE | E;
- else if (dx < 0 && dy > 0)
- dir = S | SW | W;
- else if (dx < 0 && dy < 0)
- dir = N | NW | W;
- else if (dx > 0)
- dir = NW | W | SW;
- else if (dx < 0)
- dir = NE | E | SE;
- else if (dy > 0)
- dir = SE | S | SW;
- else if (dy < 0)
- dir = NE | N | NW;
- }
- else {
- /* Calculate r within the interval [0 to 8)
- *
- * r = [0 .. 2π] where 0 is North
- * d_f = r / 2π ([0 .. 1))
- * d_8 = 8 * d_f
- */
- r = atan2(dy, dx);
- r = fmod(r + 2.5*M_PI, 2*M_PI);
- r *= 4*M_1_PI;
-
- /* Mark one or two close enough octants */
- d1 = (int)(r + 0.9) % 8;
- d2 = (int)(r + 0.1) % 8;
-
- dir = (1 << d1) | (1 << d2);
- }
-
- return dir;
-}
-
-static void
-feed_trackers(struct pointer_accelerator *accel,
- double dx, double dy,
- uint32_t time)
-{
- int i, current;
- struct pointer_tracker *trackers = accel->trackers;
-
- for (i = 0; i < NUM_POINTER_TRACKERS; i++) {
- trackers[i].dx += dx;
- trackers[i].dy += dy;
- }
-
- current = (accel->cur_tracker + 1) % NUM_POINTER_TRACKERS;
- accel->cur_tracker = current;
-
- trackers[current].dx = 0.0;
- trackers[current].dy = 0.0;
- trackers[current].time = time;
- trackers[current].dir = get_direction(dx, dy);
-}
-
-static struct pointer_tracker *
-tracker_by_offset(struct pointer_accelerator *accel, unsigned int offset)
-{
- unsigned int index =
- (accel->cur_tracker + NUM_POINTER_TRACKERS - offset)
- % NUM_POINTER_TRACKERS;
- return &accel->trackers[index];
-}
-
-static double
-calculate_tracker_velocity(struct pointer_tracker *tracker, uint32_t time)
-{
- int dx;
- int dy;
- double distance;
-
- dx = tracker->dx;
- dy = tracker->dy;
- distance = sqrt(dx*dx + dy*dy);
- return distance / (double)(time - tracker->time);
-}
-
-static double
-calculate_velocity(struct pointer_accelerator *accel, uint32_t time)
-{
- struct pointer_tracker *tracker;
- double velocity;
- double result = 0.0;
- double initial_velocity;
- double velocity_diff;
- unsigned int offset;
-
- unsigned int dir = tracker_by_offset(accel, 0)->dir;
-
- /* Find first velocity */
- for (offset = 1; offset < NUM_POINTER_TRACKERS; offset++) {
- tracker = tracker_by_offset(accel, offset);
-
- if (time <= tracker->time)
- continue;
-
- result = initial_velocity =
- calculate_tracker_velocity(tracker, time);
- if (initial_velocity > 0.0)
- break;
- }
-
- /* Find least recent vector within a timelimit, maximum velocity diff
- * and direction threshold. */
- for (; offset < NUM_POINTER_TRACKERS; offset++) {
- tracker = tracker_by_offset(accel, offset);
-
- /* Stop if too far away in time */
- if (time - tracker->time > MOTION_TIMEOUT ||
- tracker->time > time)
- break;
-
- /* Stop if direction changed */
- dir &= tracker->dir;
- if (dir == 0)
- break;
-
- velocity = calculate_tracker_velocity(tracker, time);
-
- /* Stop if velocity differs too much from initial */
- velocity_diff = fabs(initial_velocity - velocity);
- if (velocity_diff > MAX_VELOCITY_DIFF)
- break;
-
- result = velocity;
- }
-
- return result;
-}
-
-static double
-acceleration_profile(struct pointer_accelerator *accel,
- void *data, double velocity, uint32_t time)
-{
- return accel->profile(&accel->base, data, velocity, time);
-}
-
-static double
-calculate_acceleration(struct pointer_accelerator *accel,
- void *data, double velocity, uint32_t time)
-{
- double factor;
-
- /* Use Simpson's rule to calculate the avarage acceleration between
- * the previous motion and the most recent. */
- factor = acceleration_profile(accel, data, velocity, time);
- factor += acceleration_profile(accel, data, accel->last_velocity, time);
- factor += 4.0 *
- acceleration_profile(accel, data,
- (accel->last_velocity + velocity) / 2,
- time);
-
- factor = factor / 6.0;
-
- return factor;
-}
-
-static double
-soften_delta(double last_delta, double delta)
-{
- if (delta < -1.0 || delta > 1.0) {
- if (delta > last_delta)
- return delta - 0.5;
- else if (delta < last_delta)
- return delta + 0.5;
- }
-
- return delta;
-}
-
-static void
-apply_softening(struct pointer_accelerator *accel,
- struct weston_motion_params *motion)
-{
- motion->dx = soften_delta(accel->last_dx, motion->dx);
- motion->dy = soften_delta(accel->last_dy, motion->dy);
-}
-
-static void
-accelerator_filter(struct weston_motion_filter *filter,
- struct weston_motion_params *motion,
- void *data, uint32_t time)
-{
- struct pointer_accelerator *accel =
- (struct pointer_accelerator *) filter;
- double velocity;
- double accel_value;
-
- feed_trackers(accel, motion->dx, motion->dy, time);
- velocity = calculate_velocity(accel, time);
- accel_value = calculate_acceleration(accel, data, velocity, time);
-
- motion->dx = accel_value * motion->dx;
- motion->dy = accel_value * motion->dy;
-
- apply_softening(accel, motion);
-
- accel->last_dx = motion->dx;
- accel->last_dy = motion->dy;
-
- accel->last_velocity = velocity;
-}
-
-static void
-accelerator_destroy(struct weston_motion_filter *filter)
-{
- struct pointer_accelerator *accel =
- (struct pointer_accelerator *) filter;
-
- free(accel->trackers);
- free(accel);
-}
-
-struct weston_motion_filter_interface accelerator_interface = {
- accelerator_filter,
- accelerator_destroy
-};
-
-WL_EXPORT struct weston_motion_filter *
-create_pointer_accelator_filter(accel_profile_func_t profile)
-{
- struct pointer_accelerator *filter;
-
- filter = malloc(sizeof *filter);
- if (filter == NULL)
- return NULL;
-
- filter->base.interface = &accelerator_interface;
-
- filter->profile = profile;
- filter->last_velocity = 0.0;
- filter->last_dx = 0;
- filter->last_dy = 0;
-
- filter->trackers =
- calloc(NUM_POINTER_TRACKERS, sizeof *filter->trackers);
- filter->cur_tracker = 0;
-
- return &filter->base;
-}
+++ /dev/null
-/*
- * Copyright © 2012 Jonas Ådahl
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef _FILTER_H_
-#define _FILTER_H_
-
-#include "config.h"
-
-#include <wayland-util.h>
-
-#include "compositor.h"
-
-struct weston_motion_params {
- double dx, dy;
-};
-
-struct weston_motion_filter;
-
-void
-weston_filter_dispatch(struct weston_motion_filter *filter,
- struct weston_motion_params *motion,
- void *data, uint32_t time);
-
-
-struct weston_motion_filter_interface {
- void (*filter)(struct weston_motion_filter *filter,
- struct weston_motion_params *motion,
- void *data, uint32_t time);
- void (*destroy)(struct weston_motion_filter *filter);
-};
-
-struct weston_motion_filter {
- struct weston_motion_filter_interface *interface;
-};
-
-typedef double (*accel_profile_func_t)(struct weston_motion_filter *filter,
- void *data,
- double velocity,
- uint32_t time);
-
-struct weston_motion_filter *
-create_pointer_accelator_filter(accel_profile_func_t filter);
-
-#endif // _FILTER_H_
+++ /dev/null
-/*
- * Copyright © 2014 Jonas Ådahl
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef _UDEV_INPUT_H_
-#define _UDEV_INPUT_H_
-
-#include "config.h"
-
-#ifdef BUILD_LIBINPUT_BACKEND
-#include "libinput-seat.h"
-#else
-#include "udev-seat.h"
-#endif
-
-#endif
+++ /dev/null
-/*
- * Copyright © 2013 Intel Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "compositor.h"
-#include "launcher-util.h"
-#include "evdev.h"
-#include "udev-seat.h"
-
-static const char default_seat[] = "seat0";
-static const char default_seat_name[] = "default";
-
-static void
-udev_seat_destroy(struct udev_seat *seat);
-
-static int
-device_added(struct udev_device *udev_device, struct udev_input *input)
-{
- struct weston_compositor *c;
- struct evdev_device *device;
- struct weston_output *output;
- const char *devnode;
- const char *device_seat, *seat_name, *output_name;
- const char *calibration_values;
- int fd;
- struct udev_seat *seat;
-
- device_seat = udev_device_get_property_value(udev_device, "ID_SEAT");
- if (!device_seat)
- device_seat = default_seat;
-
- if (strcmp(device_seat, input->seat_id))
- return 0;
-
- c = input->compositor;
- devnode = udev_device_get_devnode(udev_device);
-
- /* Search for matching logical seat */
- seat_name = udev_device_get_property_value(udev_device, "WL_SEAT");
- if (!seat_name)
- seat_name = default_seat_name;
-
- seat = udev_seat_get_named(input, seat_name);
-
- if (seat == NULL)
- return -1;
-
- /* 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 = weston_launcher_open(c->launcher, devnode, O_RDWR | O_NONBLOCK);
- if (fd < 0) {
- weston_log("opening input device '%s' failed.\n", devnode);
- return 0;
- }
-
- device = evdev_device_create(&seat->base, devnode, fd);
- if (device == EVDEV_UNHANDLED_DEVICE) {
- weston_launcher_close(c->launcher, fd);
- weston_log("not using input device '%s'.\n", devnode);
- return 0;
- } else if (device == NULL) {
- weston_launcher_close(c->launcher, fd);
- weston_log("failed to create input device '%s'.\n", devnode);
- return 0;
- }
-
- calibration_values =
- udev_device_get_property_value(udev_device,
- "WL_CALIBRATION");
-
- if (calibration_values && sscanf(calibration_values,
- "%f %f %f %f %f %f",
- &device->abs.calibration[0],
- &device->abs.calibration[1],
- &device->abs.calibration[2],
- &device->abs.calibration[3],
- &device->abs.calibration[4],
- &device->abs.calibration[5]) == 6) {
- device->abs.apply_calibration = 1;
- weston_log ("Applying calibration: %f %f %f %f %f %f\n",
- device->abs.calibration[0],
- device->abs.calibration[1],
- device->abs.calibration[2],
- device->abs.calibration[3],
- device->abs.calibration[4],
- device->abs.calibration[5]);
- }
-
- wl_list_insert(seat->devices_list.prev, &device->link);
-
- if (seat->base.output && seat->base.pointer)
- weston_pointer_clamp(seat->base.pointer,
- &seat->base.pointer->x,
- &seat->base.pointer->y);
-
- output_name = udev_device_get_property_value(udev_device, "WL_OUTPUT");
- if (output_name) {
- device->output_name = strdup(output_name);
- wl_list_for_each(output, &c->output_list, link)
- if (strcmp(output->name, device->output_name) == 0)
- evdev_device_set_output(device, output);
- } else if (device->output == NULL && !wl_list_empty(&c->output_list)) {
- output = container_of(c->output_list.next,
- struct weston_output, link);
- evdev_device_set_output(device, output);
- }
-
- if (input->enabled == 1)
- weston_seat_repick(&seat->base);
-
- return 0;
-}
-
-static int
-udev_input_add_devices(struct udev_input *input, struct udev *udev)
-{
- struct udev_enumerate *e;
- struct udev_list_entry *entry;
- struct udev_device *device;
- const char *path, *sysname;
- struct udev_seat *seat;
- int devices_found = 0;
-
- e = udev_enumerate_new(udev);
- udev_enumerate_add_match_subsystem(e, "input");
- udev_enumerate_scan_devices(e);
- udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
- path = udev_list_entry_get_name(entry);
- device = udev_device_new_from_syspath(udev, path);
-
- sysname = udev_device_get_sysname(device);
- if (strncmp("event", sysname, 5) != 0) {
- udev_device_unref(device);
- continue;
- }
-
- if (device_added(device, input) < 0) {
- udev_device_unref(device);
- udev_enumerate_unref(e);
- return -1;
- }
-
- udev_device_unref(device);
- }
- udev_enumerate_unref(e);
-
- wl_list_for_each(seat, &input->compositor->seat_list, base.link) {
- evdev_notify_keyboard_focus(&seat->base, &seat->devices_list);
-
- if (!wl_list_empty(&seat->devices_list))
- devices_found = 1;
- }
-
- if (devices_found == 0) {
- weston_log(
- "warning: no input devices on entering Weston. "
- "Possible causes:\n"
- "\t- no permissions to read /dev/input/event*\n"
- "\t- seats misconfigured "
- "(Weston backend option 'seat', "
- "udev device property ID_SEAT)\n");
- return -1;
- }
-
- return 0;
-}
-
-static int
-evdev_udev_handler(int fd, uint32_t mask, void *data)
-{
- struct udev_input *input = data;
- struct udev_device *udev_device;
- struct evdev_device *device, *next;
- const char *action;
- const char *devnode;
- struct udev_seat *seat;
-
- udev_device = udev_monitor_receive_device(input->udev_monitor);
- if (!udev_device)
- return 1;
-
- action = udev_device_get_action(udev_device);
- if (!action)
- goto out;
-
- if (strncmp("event", udev_device_get_sysname(udev_device), 5) != 0)
- goto out;
-
- if (!strcmp(action, "add")) {
- device_added(udev_device, input);
- }
- else if (!strcmp(action, "remove")) {
- devnode = udev_device_get_devnode(udev_device);
- wl_list_for_each(seat, &input->compositor->seat_list, base.link) {
- wl_list_for_each_safe(device, next, &seat->devices_list, link)
- if (!strcmp(device->devnode, devnode)) {
- weston_log("input device %s, %s removed\n",
- device->devname, device->devnode);
- weston_launcher_close(input->compositor->launcher,
- device->fd);
- evdev_device_destroy(device);
- break;
- }
- }
- }
-
-out:
- udev_device_unref(udev_device);
-
- return 0;
-}
-
-int
-udev_input_enable(struct udev_input *input)
-{
- struct wl_event_loop *loop;
- struct weston_compositor *c = input->compositor;
- int fd;
-
- input->udev_monitor = udev_monitor_new_from_netlink(input->udev, "udev");
- if (!input->udev_monitor) {
- weston_log("udev: failed to create the udev monitor\n");
- return -1;
- }
-
- udev_monitor_filter_add_match_subsystem_devtype(input->udev_monitor,
- "input", NULL);
-
- if (udev_monitor_enable_receiving(input->udev_monitor)) {
- weston_log("udev: failed to bind the udev monitor\n");
- udev_monitor_unref(input->udev_monitor);
- return -1;
- }
-
- loop = wl_display_get_event_loop(c->wl_display);
- fd = udev_monitor_get_fd(input->udev_monitor);
- input->udev_monitor_source =
- wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
- evdev_udev_handler, input);
- if (!input->udev_monitor_source) {
- udev_monitor_unref(input->udev_monitor);
- return -1;
- }
-
- if (udev_input_add_devices(input, input->udev) < 0)
- return -1;
-
- input->enabled = 1;
-
- return 0;
-}
-
-static void
-udev_input_remove_devices(struct udev_input *input)
-{
- struct evdev_device *device, *next;
- struct udev_seat *seat;
-
- wl_list_for_each(seat, &input->compositor->seat_list, base.link) {
- wl_list_for_each_safe(device, next, &seat->devices_list, link) {
- weston_launcher_close(input->compositor->launcher,
- device->fd);
- evdev_device_destroy(device);
- }
-
- if (seat->base.keyboard)
- notify_keyboard_focus_out(&seat->base);
- }
-}
-
-void
-udev_input_disable(struct udev_input *input)
-{
- if (!input->udev_monitor)
- return;
-
- udev_monitor_unref(input->udev_monitor);
- input->udev_monitor = NULL;
- wl_event_source_remove(input->udev_monitor_source);
- input->udev_monitor_source = NULL;
-
- udev_input_remove_devices(input);
-}
-
-
-int
-udev_input_init(struct udev_input *input, struct weston_compositor *c, struct udev *udev,
- const char *seat_id)
-{
- memset(input, 0, sizeof *input);
- input->seat_id = strdup(seat_id);
- input->compositor = c;
- input->udev = udev;
- input->udev = udev_ref(udev);
- if (udev_input_enable(input) < 0)
- goto err;
-
- return 0;
-
- err:
- free(input->seat_id);
- return -1;
-}
-
-void
-udev_input_destroy(struct udev_input *input)
-{
- struct udev_seat *seat, *next;
- udev_input_disable(input);
- wl_list_for_each_safe(seat, next, &input->compositor->seat_list, base.link)
- udev_seat_destroy(seat);
- udev_unref(input->udev);
- free(input->seat_id);
-}
-
-static void
-drm_led_update(struct weston_seat *seat_base, enum weston_led leds)
-{
- struct udev_seat *seat = (struct udev_seat *) seat_base;
- struct evdev_device *device;
-
- wl_list_for_each(device, &seat->devices_list, link)
- evdev_led_update(device, leds);
-}
-
-static void
-notify_output_create(struct wl_listener *listener, void *data)
-{
- struct udev_seat *seat = container_of(listener, struct udev_seat,
- output_create_listener);
- struct evdev_device *device;
- struct weston_output *output = data;
-
- wl_list_for_each(device, &seat->devices_list, link) {
- if (device->output_name &&
- strcmp(output->name, device->output_name) == 0) {
- evdev_device_set_output(device, output);
- }
-
- if (device->output_name == NULL && device->output == NULL)
- evdev_device_set_output(device, output);
- }
-}
-
-static struct udev_seat *
-udev_seat_create(struct udev_input *input, const char *seat_name)
-{
- struct weston_compositor *c = input->compositor;
- struct udev_seat *seat;
-
- seat = zalloc(sizeof *seat);
- if (!seat)
- return NULL;
-
- weston_seat_init(&seat->base, c, seat_name);
- seat->base.led_update = drm_led_update;
-
- seat->output_create_listener.notify = notify_output_create;
- wl_signal_add(&c->output_created_signal,
- &seat->output_create_listener);
-
- wl_list_init(&seat->devices_list);
- return seat;
-}
-
-static void
-udev_seat_destroy(struct udev_seat *seat)
-{
- weston_seat_release(&seat->base);
- wl_list_remove(&seat->output_create_listener.link);
- free(seat);
-}
-
-struct udev_seat *
-udev_seat_get_named(struct udev_input *input, const char *seat_name)
-{
- struct weston_compositor *c = input->compositor;
- struct udev_seat *seat;
-
- wl_list_for_each(seat, &c->seat_list, base.link) {
- if (strcmp(seat->base.seat_name, seat_name) == 0)
- return seat;
- }
-
- seat = udev_seat_create(input, seat_name);
-
- if (!seat)
- return NULL;
-
- return seat;
-}
+++ /dev/null
-/*
- * Copyright © 2013 Intel Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef _UDEV_SEAT_H_
-#define _UDEV_SEAT_H_
-
-#include "config.h"
-
-#include <libudev.h>
-
-#include "compositor.h"
-
-struct udev_seat {
- struct weston_seat base;
- struct wl_list devices_list;
- struct wl_listener output_create_listener;
-};
-
-struct udev_input {
- struct udev *udev;
- struct udev_monitor *udev_monitor;
- struct wl_event_source *udev_monitor_source;
- char *seat_id;
- struct weston_compositor *compositor;
- int enabled;
-};
-
-int udev_input_enable(struct udev_input *input);
-void udev_input_disable(struct udev_input *input);
-int udev_input_init(struct udev_input *input,
- struct weston_compositor *c,
- struct udev *udev,
- const char *seat_id);
-void udev_input_destroy(struct udev_input *input);
-
-struct udev_seat *udev_seat_get_named(struct udev_input *input,
- const char *seat_name);
-#endif
projects / platform / upstream / weston.git / commitdiff