1 files changed, 184 insertions, 0 deletions

diff --git a/sway/input/cursor.c b/sway/input/cursor.c
new file mode 100644
index 00000000..24d4642d
--- /dev/null
+++ b/sway/input/cursor.c
@@ -0,0 +1,184 @@
+#define _XOPEN_SOURCE 700
+#ifdef __linux__
+#include <linux/input-event-codes.h>
+#elif __FreeBSD__
+#include <dev/evdev/input-event-codes.h>
+#endif
+#include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_xcursor_manager.h>
+#include "sway/input/cursor.h"
+#include "sway/view.h"
+#include "list.h"
+#include "log.h"
+
+static void cursor_update_position(struct sway_cursor *cursor) {
+	double x = cursor->cursor->x;
+	double y = cursor->cursor->y;
+
+	wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
+		"left_ptr", cursor->cursor);
+
+	cursor->x = x;
+	cursor->y = y;
+}
+
+static void cursor_send_pointer_motion(struct sway_cursor *cursor,
+		uint32_t time) {
+	struct wlr_seat *seat = cursor->seat->wlr_seat;
+	struct wlr_surface *surface = NULL;
+	double sx, sy;
+	swayc_t *swayc =
+		swayc_at(&root_container, cursor->x, cursor->y, &surface, &sx, &sy);
+	if (swayc) {
+		wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
+		wlr_seat_pointer_notify_motion(seat, time, sx, sy);
+	} else {
+		wlr_seat_pointer_clear_focus(seat);
+	}
+}
+
+static void handle_cursor_motion(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, motion);
+	struct wlr_event_pointer_motion *event = data;
+	wlr_cursor_move(cursor->cursor, event->device,
+		event->delta_x, event->delta_y);
+	cursor_update_position(cursor);
+	cursor_send_pointer_motion(cursor, event->time_msec);
+}
+
+static void handle_cursor_motion_absolute(struct wl_listener *listener,
+		void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, motion_absolute);
+	struct wlr_event_pointer_motion_absolute *event = data;
+	wlr_cursor_warp_absolute(cursor->cursor, event->device,
+		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
+	cursor_update_position(cursor);
+	cursor_send_pointer_motion(cursor, event->time_msec);
+}
+
+static void handle_cursor_button(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, button);
+	struct wlr_event_pointer_button *event = data;
+
+	if (event->button == BTN_LEFT) {
+		struct wlr_surface *surface = NULL;
+		double sx, sy;
+		swayc_t *swayc =
+			swayc_at(&root_container, cursor->x, cursor->y, &surface, &sx, &sy);
+
+		sway_seat_set_focus(cursor->seat, swayc);
+	}
+
+	wlr_seat_pointer_notify_button(cursor->seat->wlr_seat, event->time_msec,
+		event->button, event->state);
+}
+
+static void handle_cursor_axis(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, axis);
+	struct wlr_event_pointer_axis *event = data;
+	wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec,
+		event->orientation, event->delta);
+}
+
+static void handle_touch_down(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, touch_down);
+	struct wlr_event_touch_down *event = data;
+	sway_log(L_DEBUG, "TODO: handle touch down event: %p", event);
+}
+
+static void handle_touch_up(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, touch_up);
+	struct wlr_event_touch_up *event = data;
+	sway_log(L_DEBUG, "TODO: handle touch up event: %p", event);
+}
+
+static void handle_touch_motion(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, touch_motion);
+	struct wlr_event_touch_motion *event = data;
+	sway_log(L_DEBUG, "TODO: handle touch motion event: %p", event);
+}
+
+static void handle_tool_axis(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, tool_axis);
+	struct wlr_event_tablet_tool_axis *event = data;
+	sway_log(L_DEBUG, "TODO: handle tool axis event: %p", event);
+}
+
+static void handle_tool_tip(struct wl_listener *listener, void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, tool_tip);
+	struct wlr_event_tablet_tool_tip *event = data;
+	sway_log(L_DEBUG, "TODO: handle tool tip event: %p", event);
+}
+
+static void handle_request_set_cursor(struct wl_listener *listener,
+		void *data) {
+	struct sway_cursor *cursor =
+		wl_container_of(listener, cursor, request_set_cursor);
+	struct wlr_seat_pointer_request_set_cursor_event *event = data;
+	sway_log(L_DEBUG, "TODO: handle request set cursor event: %p", event);
+}
+
+struct sway_cursor *sway_cursor_create(struct sway_seat *seat) {
+	struct sway_cursor *cursor = calloc(1, sizeof(struct sway_cursor));
+	if (!sway_assert(cursor, "could not allocate sway cursor")) {
+		return NULL;
+	}
+
+	struct wlr_cursor *wlr_cursor = wlr_cursor_create();
+	if (!sway_assert(wlr_cursor, "could not allocate wlr cursor")) {
+		free(cursor);
+		return NULL;
+	}
+
+	cursor->seat = seat;
+	wlr_cursor_attach_output_layout(wlr_cursor,
+		root_container.sway_root->output_layout);
+
+	// input events
+	wl_signal_add(&wlr_cursor->events.motion, &cursor->motion);
+	cursor->motion.notify = handle_cursor_motion;
+
+	wl_signal_add(&wlr_cursor->events.motion_absolute,
+		&cursor->motion_absolute);
+	cursor->motion_absolute.notify = handle_cursor_motion_absolute;
+
+	wl_signal_add(&wlr_cursor->events.button, &cursor->button);
+	cursor->button.notify = handle_cursor_button;
+
+	wl_signal_add(&wlr_cursor->events.axis, &cursor->axis);
+	cursor->axis.notify = handle_cursor_axis;
+
+	wl_signal_add(&wlr_cursor->events.touch_down, &cursor->touch_down);
+	cursor->touch_down.notify = handle_touch_down;
+
+	wl_signal_add(&wlr_cursor->events.touch_up, &cursor->touch_up);
+	cursor->touch_up.notify = handle_touch_up;
+
+	wl_signal_add(&wlr_cursor->events.touch_motion,
+		&cursor->touch_motion);
+	cursor->touch_motion.notify = handle_touch_motion;
+
+	wl_signal_add(&wlr_cursor->events.tablet_tool_axis,
+		&cursor->tool_axis);
+	cursor->tool_axis.notify = handle_tool_axis;
+
+	wl_signal_add(&wlr_cursor->events.tablet_tool_tip, &cursor->tool_tip);
+	cursor->tool_tip.notify = handle_tool_tip;
+
+	wl_signal_add(&seat->wlr_seat->events.request_set_cursor,
+			&cursor->request_set_cursor);
+	cursor->request_set_cursor.notify = handle_request_set_cursor;
+
+	cursor->cursor = wlr_cursor;
+
+	return cursor;
+}