From 58cc8551f8a9bd46000f4bb0f37ec6be7238417a Mon Sep 17 00:00:00 2001
From: hexnet1234 <hexnet.alt@gmail.com>
Date: Mon, 9 Mar 2026 19:18:33 +0100
Subject: [PATCH] Add option to disable mouse input

---
 cage.c   | 6 +++++-
 seat.c   | 2 +-
 server.h | 1 +
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/cage.c b/cage.c
index 7c3d89d..7a398c5 100644
--- a/cage.c
+++ b/cage.c
@@ -241,6 +241,7 @@ usage(FILE *file, const char *cage)
 	fprintf(file,
 		"Usage: %s [OPTIONS] [--] [APPLICATION...]\n"
 		"\n"
+		" -c\t Disable mouse input, and hide the cursor\n"
 		" -d\t Don't draw client side decorations, when possible\n"
 		" -D\t Enable debug logging\n"
 		" -h\t Display this help message\n"
@@ -257,8 +258,11 @@ static bool
 parse_args(struct cg_server *server, int argc, char *argv[])
 {
 	int c;
-	while ((c = getopt(argc, argv, "dDhm:sv")) != -1) {
+	while ((c = getopt(argc, argv, "cdDhm:sv")) != -1) {
 		switch (c) {
+		case 'c':
+			server->disable_mouse = true;
+			break;
 		case 'd':
 			server->xdg_decoration = true;
 			break;
diff --git a/seat.c b/seat.c
index 5f659a4..667fa18 100644
--- a/seat.c
+++ b/seat.c
@@ -118,7 +118,7 @@ update_capabilities(struct cg_seat *seat)
 	if (!wl_list_empty(&seat->keyboard_groups)) {
 		caps |= WL_SEAT_CAPABILITY_KEYBOARD;
 	}
-	if (!wl_list_empty(&seat->pointers)) {
+	if (!wl_list_empty(&seat->pointers) && !seat->server->disable_mouse) {
 		caps |= WL_SEAT_CAPABILITY_POINTER;
 	}
 	if (!wl_list_empty(&seat->touch)) {
diff --git a/server.h b/server.h
index 27f212a..c62b82a 100644
--- a/server.h
+++ b/server.h
@@ -70,6 +70,7 @@ struct cg_server {
 
 	struct wlr_foreign_toplevel_manager_v1 *foreign_toplevel_manager;
 
+	bool disable_mouse;
 	bool xdg_decoration;
 	bool allow_vt_switch;
 	bool return_app_code;