From affd7f3f6d1c7f7765720f0ef66a117ae3512f6a Mon Sep 17 00:00:00 2001
From: Philipp Zabel <philipp.zabel@gmail.com>
Date: Thu, 28 Jul 2022 12:34:24 +0200
Subject: [PATCH] Allow to query client-side cursor support

Add a function nvnc_client_supports_cursor() to enable the API user to
make an informed decision whether nvnc_set_cursor() can be expected to
make the client draw the cursor, or whether it has to be rendered into
the framebuffer.
---
 include/neatvnc.h |  1 +
 src/server.c      | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/neatvnc.h b/include/neatvnc.h
index c4d413c..30b8cd8 100644
--- a/include/neatvnc.h
+++ b/include/neatvnc.h
@@ -128,6 +128,7 @@ void nvnc_set_userdata(void* self, void* userdata, nvnc_cleanup_fn);
 void* nvnc_get_userdata(const void* self);
 
 struct nvnc* nvnc_client_get_server(const struct nvnc_client* client);
+bool nvnc_client_supports_cursor(const struct nvnc_client* client);
 
 void nvnc_set_name(struct nvnc* self, const char* name);
 
diff --git a/src/server.c b/src/server.c
index 1185ef3..94fc41b 100644
--- a/src/server.c
+++ b/src/server.c
@@ -1569,6 +1569,16 @@ struct nvnc* nvnc_client_get_server(const struct nvnc_client* client)
 	return client->server;
 }
 
+EXPORT
+bool nvnc_client_supports_cursor(const struct nvnc_client* client)
+{
+	for (size_t i = 0; i < client->n_encodings; ++i) {
+		if (client->encodings[i] == RFB_ENCODING_CURSOR)
+			return true;
+	}
+	return false;
+}
+
 EXPORT
 void nvnc_set_name(struct nvnc* self, const char* name)
 {