1 files changed, 364 insertions, 0 deletions

diff --git a/src/libinput-device.c b/src/libinput-device.c
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--- /dev/null
+++ b/src/libinput-device.c
@@ -0,0 +1,364 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2013 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 <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 <libinput.h>
+
+#include "compositor.h"
+#include "libinput-device.h"
+
+#define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
+
+void
+evdev_led_update(struct evdev_device *device, enum weston_led weston_leds)
+{
+	enum libinput_led leds = 0;
+
+	if (weston_leds & LED_NUM_LOCK)
+		leds |= LIBINPUT_LED_NUM_LOCK;
+	if (weston_leds & LED_CAPS_LOCK)
+		leds |= LIBINPUT_LED_CAPS_LOCK;
+	if (weston_leds & LED_SCROLL_LOCK)
+		leds |= LIBINPUT_LED_SCROLL_LOCK;
+
+	libinput_device_led_update(device->device, leds);
+}
+
+static void
+handle_keyboard_key(struct libinput_device *libinput_device,
+		    struct libinput_event_keyboard *keyboard_event)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+
+	notify_key(device->seat,
+		   libinput_event_keyboard_get_time(keyboard_event),
+		   libinput_event_keyboard_get_key(keyboard_event),
+		   libinput_event_keyboard_get_key_state(keyboard_event),
+		   STATE_UPDATE_AUTOMATIC);
+}
+
+static void
+handle_pointer_motion(struct libinput_device *libinput_device,
+		      struct libinput_event_pointer *pointer_event)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+
+	notify_motion(device->seat,
+		      libinput_event_pointer_get_time(pointer_event),
+		      libinput_event_pointer_get_dx(pointer_event),
+		      libinput_event_pointer_get_dy(pointer_event));
+}
+
+static void
+handle_pointer_motion_absolute(
+	struct libinput_device *libinput_device,
+	struct libinput_event_pointer *pointer_event)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+	struct weston_output *output = device->output;
+	uint32_t time;
+	wl_fixed_t x, y;
+	uint32_t width, height;
+
+	if (!output)
+		return;
+
+	time = libinput_event_pointer_get_time(pointer_event);
+	width = device->output->current_mode->width;
+	height = device->output->current_mode->height;
+
+	x = libinput_event_pointer_get_absolute_x_transformed(pointer_event,
+							      width);
+	y = libinput_event_pointer_get_absolute_y_transformed(pointer_event,
+							      height);
+
+	weston_output_transform_coordinate(device->output, x, y, &x, &y);
+	notify_motion_absolute(device->seat, time, x, y);
+}
+
+static void
+handle_pointer_button(struct libinput_device *libinput_device,
+		      struct libinput_event_pointer *pointer_event)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+
+	notify_button(device->seat,
+		      libinput_event_pointer_get_time(pointer_event),
+		      libinput_event_pointer_get_button(pointer_event),
+		      libinput_event_pointer_get_button_state(pointer_event));
+}
+
+static void
+handle_pointer_axis(struct libinput_device *libinput_device,
+		    struct libinput_event_pointer *pointer_event)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+
+	notify_axis(device->seat,
+		    libinput_event_pointer_get_time(pointer_event),
+		    libinput_event_pointer_get_axis(pointer_event),
+		    libinput_event_pointer_get_axis_value(pointer_event));
+}
+
+static void
+handle_touch_with_coords(struct libinput_device *libinput_device,
+			 struct libinput_event_touch *touch_event,
+			 int touch_type)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+	wl_fixed_t x;
+	wl_fixed_t y;
+	uint32_t width, height;
+	uint32_t time;
+	int32_t slot;
+
+	time = libinput_event_touch_get_time(touch_event);
+	slot = libinput_event_touch_get_seat_slot(touch_event);
+
+	width = device->output->current_mode->width;
+	height = device->output->current_mode->height;
+	x = libinput_event_touch_get_x_transformed(touch_event, width);
+	y = libinput_event_touch_get_y_transformed(touch_event, height);
+
+	weston_output_transform_coordinate(device->output,
+					   x, y, &x, &y);
+
+	notify_touch(device->seat, time, slot, x, y, touch_type);
+}
+
+static void
+handle_touch_down(struct libinput_device *device,
+		  struct libinput_event_touch *touch_event)
+{
+	handle_touch_with_coords(device, touch_event, WL_TOUCH_DOWN);
+}
+
+static void
+handle_touch_motion(struct libinput_device *device,
+		    struct libinput_event_touch *touch_event)
+{
+	handle_touch_with_coords(device, touch_event, WL_TOUCH_MOTION);
+}
+
+static void
+handle_touch_up(struct libinput_device *libinput_device,
+		struct libinput_event_touch *touch_event)
+{
+	struct evdev_device *device =
+		libinput_device_get_user_data(libinput_device);
+	uint32_t time = libinput_event_touch_get_time(touch_event);
+	int32_t slot = libinput_event_touch_get_seat_slot(touch_event);
+
+	notify_touch(device->seat, time, slot, 0, 0, WL_TOUCH_UP);
+}
+
+int
+evdev_device_process_event(struct libinput_event *event)
+{
+	struct libinput_device *libinput_device =
+		libinput_event_get_device(event);
+	int handled = 1;
+
+	switch (libinput_event_get_type(event)) {
+	case LIBINPUT_EVENT_KEYBOARD_KEY:
+		handle_keyboard_key(libinput_device,
+				    libinput_event_get_keyboard_event(event));
+		break;
+	case LIBINPUT_EVENT_POINTER_MOTION:
+		handle_pointer_motion(libinput_device,
+				      libinput_event_get_pointer_event(event));
+		break;
+	case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
+		handle_pointer_motion_absolute(
+			libinput_device,
+			libinput_event_get_pointer_event(event));
+		break;
+	case LIBINPUT_EVENT_POINTER_BUTTON:
+		handle_pointer_button(libinput_device,
+				      libinput_event_get_pointer_event(event));
+		break;
+	case LIBINPUT_EVENT_POINTER_AXIS:
+		handle_pointer_axis(libinput_device,
+				    libinput_event_get_pointer_event(event));
+		break;
+	case LIBINPUT_EVENT_TOUCH_DOWN:
+		handle_touch_down(libinput_device,
+				  libinput_event_get_touch_event(event));
+		break;
+	case LIBINPUT_EVENT_TOUCH_MOTION:
+		handle_touch_motion(libinput_device,
+				    libinput_event_get_touch_event(event));
+		break;
+	case LIBINPUT_EVENT_TOUCH_UP:
+		handle_touch_up(libinput_device,
+				libinput_event_get_touch_event(event));
+	default:
+		handled = 0;
+		weston_log("unknown libinput event %d\n",
+			   libinput_event_get_type(event));
+	}
+
+	return handled;
+}
+
+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) {
+		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)
+{
+	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 libinput_device *libinput_device,
+		    struct weston_seat *seat)
+{
+	struct evdev_device *device;
+
+	device = zalloc(sizeof *device);
+	if (device == NULL)
+		return NULL;
+
+	device->seat = seat;
+	wl_list_init(&device->link);
+	device->device = libinput_device;
+
+	if (libinput_device_has_capability(libinput_device,
+					   LIBINPUT_DEVICE_CAP_KEYBOARD)) {
+		weston_seat_init_keyboard(seat, NULL);
+		device->seat_caps |= EVDEV_SEAT_KEYBOARD;
+	}
+	if (libinput_device_has_capability(libinput_device,
+					   LIBINPUT_DEVICE_CAP_POINTER)) {
+		weston_seat_init_pointer(seat);
+		device->seat_caps |= EVDEV_SEAT_POINTER;
+	}
+	if (libinput_device_has_capability(libinput_device,
+					   LIBINPUT_DEVICE_CAP_TOUCH)) {
+		weston_seat_init_touch(seat);
+		device->seat_caps |= EVDEV_SEAT_TOUCH;
+	}
+
+	libinput_device_set_user_data(libinput_device, device);
+	libinput_device_ref(libinput_device);
+
+	return device;
+}
+
+void
+evdev_device_destroy(struct evdev_device *device)
+{
+	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);
+
+	if (device->output)
+		wl_list_remove(&device->output_destroy_listener.link);
+	wl_list_remove(&device->link);
+	libinput_device_unref(device->device);
+	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 = libinput_device_get_keys(device->device,
+					       evdev_keys,
+					       sizeof 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);
+}