1 files changed, 145 insertions, 0 deletions
diff --git a/rootston/input.c b/rootston/input.c
new file mode 100644
index 00000000..a863b919
--- /dev/null
+++ b/rootston/input.c
@@ -0,0 +1,145 @@
+#define _POSIX_C_SOURCE 200112L
+#include <assert.h>
+#include <stdlib.h>
+#include <time.h>
+#include <wayland-server.h>
+#include <wlr/backend/libinput.h>
+#include <wlr/config.h>
+#include <wlr/types/wlr_cursor.h>
+#include <wlr/util/log.h>
+#include <wlr/xcursor.h>
+#if WLR_HAS_XWAYLAND
+#include <wlr/xwayland.h>
+#endif
+#include "rootston/config.h"
+#include "rootston/input.h"
+#include "rootston/keyboard.h"
+#include "rootston/seat.h"
+#include "rootston/server.h"
+
+static const char *device_type(enum wlr_input_device_type type) {
+	switch (type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		return "keyboard";
+	case WLR_INPUT_DEVICE_POINTER:
+		return "pointer";
+	case WLR_INPUT_DEVICE_SWITCH:
+		return "switch";
+	case WLR_INPUT_DEVICE_TOUCH:
+		return "touch";
+	case WLR_INPUT_DEVICE_TABLET_TOOL:
+		return "tablet tool";
+	case WLR_INPUT_DEVICE_TABLET_PAD:
+		return "tablet pad";
+	}
+	return NULL;
+}
+
+struct roots_seat *input_get_seat(struct roots_input *input, char *name) {
+	struct roots_seat *seat = NULL;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (strcmp(seat->seat->name, name) == 0) {
+			return seat;
+		}
+	}
+
+	seat = roots_seat_create(input, name);
+	return seat;
+}
+
+static void handle_new_input(struct wl_listener *listener, void *data) {
+	struct wlr_input_device *device = data;
+	struct roots_input *input = wl_container_of(listener, input, new_input);
+
+	char *seat_name = ROOTS_CONFIG_DEFAULT_SEAT_NAME;
+	struct roots_device_config *dc =
+		roots_config_get_device(input->config, device);
+	if (dc) {
+		seat_name = dc->seat;
+	}
+
+	struct roots_seat *seat = input_get_seat(input, seat_name);
+	if (!seat) {
+		wlr_log(WLR_ERROR, "could not create roots seat");
+		return;
+	}
+
+	wlr_log(WLR_DEBUG, "New input device: %s (%d:%d) %s seat:%s", device->name,
+			device->vendor, device->product, device_type(device->type), seat_name);
+
+	roots_seat_add_device(seat, device);
+
+	if (dc && wlr_input_device_is_libinput(device)) {
+		struct libinput_device *libinput_dev =
+			wlr_libinput_get_device_handle(device);
+
+		wlr_log(WLR_DEBUG, "input has config, tap_enabled: %d\n", dc->tap_enabled);
+		if (dc->tap_enabled) {
+			libinput_device_config_tap_set_enabled(libinput_dev,
+					LIBINPUT_CONFIG_TAP_ENABLED);
+		}
+	}
+}
+
+struct roots_input *input_create(struct roots_server *server,
+		struct roots_config *config) {
+	wlr_log(WLR_DEBUG, "Initializing roots input");
+	assert(server->desktop);
+
+	struct roots_input *input = calloc(1, sizeof(struct roots_input));
+	if (input == NULL) {
+		return NULL;
+	}
+
+	input->config = config;
+	input->server = server;
+
+	wl_list_init(&input->seats);
+
+	input->new_input.notify = handle_new_input;
+	wl_signal_add(&server->backend->events.new_input, &input->new_input);
+
+	return input;
+}
+
+void input_destroy(struct roots_input *input) {
+	// TODO
+}
+
+struct roots_seat *input_seat_from_wlr_seat(struct roots_input *input,
+		struct wlr_seat *wlr_seat) {
+	struct roots_seat *seat = NULL;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (seat->seat == wlr_seat) {
+			return seat;
+		}
+	}
+	return seat;
+}
+
+bool input_view_has_focus(struct roots_input *input, struct roots_view *view) {
+	if (!view) {
+		return false;
+	}
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (view == roots_seat_get_focus(seat)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static inline int64_t timespec_to_msec(const struct timespec *a) {
+	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
+}
+
+void input_update_cursor_focus(struct roots_input *input) {
+	struct roots_seat *seat;
+	struct timespec now;
+	wl_list_for_each(seat, &input->seats, link) {
+		clock_gettime(CLOCK_MONOTONIC, &now);
+		roots_cursor_update_position(seat->cursor, timespec_to_msec(&now));
+	}
+}