From 61db11dbbd1c9326084caf12d316264c47728391 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Wed, 17 Aug 2022 18:17:21 +0000
Subject: [PATCH] seat: Implement virtual pointer protocol

---
 include/labwc.h |  4 ++++
 src/seat.c      | 27 +++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/include/labwc.h b/include/labwc.h
index cf62f60f..7c1b01a0 100644
--- a/include/labwc.h
+++ b/include/labwc.h
@@ -40,6 +40,7 @@
 #include <wlr/types/wlr_xdg_decoration_v1.h>
 #include <wlr/types/wlr_xdg_shell.h>
 #include <wlr/types/wlr_drm_lease_v1.h>
+#include <wlr/types/wlr_virtual_pointer_v1.h>
 #include <wlr/util/log.h>
 #if HAVE_XWAYLAND
 #include <wlr/xwayland.h>
@@ -145,6 +146,9 @@ struct seat {
 	struct wl_listener destroy_drag;
 	struct wl_listener constraint_commit;
 	struct wl_listener idle_inhibitor_create;
+
+	struct wlr_virtual_pointer_manager_v1 *virtual_pointer;
+	struct wl_listener virtual_pointer_new;
 };
 
 struct lab_data_buffer;
diff --git a/src/seat.c b/src/seat.c
index 228cf094..896bcd55 100644
--- a/src/seat.c
+++ b/src/seat.c
@@ -289,6 +289,27 @@ new_idle_inhibitor(struct wl_listener *listener, void *data)
 	wlr_idle_set_enabled(seat->wlr_idle, seat->seat, 0);
 }
 
+static void
+new_virtual_pointer(struct wl_listener *listener, void *data)
+{
+	struct seat *seat = wl_container_of(listener, seat, virtual_pointer_new);
+	struct wlr_virtual_pointer_v1_new_pointer_event *event = data;
+	struct wlr_virtual_pointer_v1 *pointer = event->new_pointer;
+	struct wlr_input_device *device = &pointer->pointer.base;
+	struct input *input = calloc(1, sizeof(struct input));
+
+	device->data = input;
+	input->wlr_input_device = device;
+
+	seat_add_device(seat, input);
+	new_pointer(seat, input);
+
+	if (event->suggested_output) {
+		wlr_cursor_map_input_to_output(seat->cursor, device,
+			event->suggested_output);
+	}
+}
+
 void
 seat_init(struct server *server)
 {
@@ -313,6 +334,12 @@ seat_init(struct server *server)
 		&seat->idle_inhibitor_create);
 	seat->idle_inhibitor_create.notify = new_idle_inhibitor;
 
+	seat->virtual_pointer = wlr_virtual_pointer_manager_v1_create(
+		server->wl_display);
+	wl_signal_add(&seat->virtual_pointer->events.new_virtual_pointer,
+		&seat->virtual_pointer_new);
+	seat->virtual_pointer_new.notify = new_virtual_pointer;
+
 	seat->cursor = wlr_cursor_create();
 	if (!seat->cursor) {
 		wlr_log(WLR_ERROR, "unable to create cursor");