From 9387fa4c20590c3f673cc87992521a0db34a74ff Mon Sep 17 00:00:00 2001
From: Hiers <dvmap@protonmail.com>
Date: Sun, 5 May 2024 21:24:48 +0100
Subject: [PATCH] Command line option to hide cursor.

---
 cage.c   | 6 +++++-
 seat.c   | 4 ++--
 server.h | 1 +
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/cage.c b/cage.c
index f1097888..6d27935e 100644
--- a/cage.c
+++ b/cage.c
@@ -208,6 +208,7 @@ usage(FILE *file, const char *cage)
 	fprintf(file,
 		"Usage: %s [OPTIONS] [--] APPLICATION\n"
 		"\n"
+		" -c\t Hide cursor\n"
 		" -d\t Don't draw client side decorations, when possible\n"
 		" -h\t Display this help message\n"
 		" -m extend Extend the display across all connected outputs (default)\n"
@@ -223,8 +224,11 @@ static bool
 parse_args(struct cg_server *server, int argc, char *argv[])
 {
 	int c;
-	while ((c = getopt(argc, argv, "dhm:sv")) != -1) {
+	while ((c = getopt(argc, argv, "cdhm:sv")) != -1) {
 		switch (c) {
+		case 'c':
+			server->hide_cursor = true;
+			break;
 		case 'd':
 			server->xdg_decoration = true;
 			break;
diff --git a/seat.c b/seat.c
index 8008dd9d..9d068d00 100644
--- a/seat.c
+++ b/seat.c
@@ -127,7 +127,7 @@ update_capabilities(struct cg_seat *seat)
 	wlr_seat_set_capabilities(seat->seat, caps);
 
 	/* Hide cursor if the seat doesn't have pointer capability. */
-	if ((caps & WL_SEAT_CAPABILITY_POINTER) == 0) {
+	if ((caps & WL_SEAT_CAPABILITY_POINTER) == 0 || seat->server->hide_cursor == true) {
 		wlr_cursor_unset_image(seat->cursor);
 	} else {
 		wlr_cursor_set_xcursor(seat->cursor, seat->xcursor_manager, DEFAULT_XCURSOR);
@@ -482,7 +482,7 @@ handle_request_set_cursor(struct wl_listener *listener, void *data)
 
 	/* This can be sent by any client, so we check to make sure
 	 * this one actually has pointer focus first. */
-	if (focused_client == event->seat_client->client) {
+	if (focused_client == event->seat_client->client && seat->server->hide_cursor == false) {
 		wlr_cursor_set_surface(seat->cursor, event->surface, event->hotspot_x, event->hotspot_y);
 	}
 }
diff --git a/server.h b/server.h
index 9bf4430c..ded1e8c3 100644
--- a/server.h
+++ b/server.h
@@ -60,6 +60,7 @@ struct cg_server {
 	bool xdg_decoration;
 	bool allow_vt_switch;
 	bool return_app_code;
+	bool hide_cursor;
 };
 
 #endif