From d6fb651c8d0a9bc6e18d3e940dd0db9c74e8e09c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Thu, 18 Jan 2018 11:04:11 +0100
Subject: Add screensaver functions

---
 c_src/sdl_video.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'c_src/sdl_video.c')

diff --git a/c_src/sdl_video.c b/c_src/sdl_video.c
index 49dbe7f..e16c7d2 100644
--- a/c_src/sdl_video.c
+++ b/c_src/sdl_video.c
@@ -34,6 +34,30 @@ ERL_NIF_TERM display_mode_to_map(ErlNifEnv* env, SDL_DisplayMode* mode)
 	return map;
 }
 
+// disable_screensaver
+
+NIF_CAST_HANDLER(thread_disable_screensaver)
+{
+	SDL_DisableScreenSaver();
+}
+
+NIF_FUNCTION(disable_screensaver)
+{
+	return nif_thread_cast(env, thread_disable_screensaver, 0);
+}
+
+// enable_screensaver
+
+NIF_CAST_HANDLER(thread_enable_screensaver)
+{
+	SDL_EnableScreenSaver();
+}
+
+NIF_FUNCTION(enable_screensaver)
+{
+	return nif_thread_cast(env, thread_enable_screensaver, 0);
+}
+
 // get_closest_display_mode
 
 NIF_CALL_HANDLER(thread_get_closest_display_mode)
@@ -323,6 +347,21 @@ NIF_FUNCTION(get_video_driver)
 	return enif_make_binary(env, &bin);
 }
 
+// is_screensaver_enabled
+
+NIF_CALL_HANDLER(thread_is_screensaver_enabled)
+{
+	if (SDL_IsScreenSaverEnabled())
+		return atom_true;
+
+	return atom_false;
+}
+
+NIF_FUNCTION(is_screensaver_enabled)
+{
+	return nif_thread_call(env, thread_is_screensaver_enabled, 0);
+}
+
 // video_init
 
 NIF_CALL_HANDLER(thread_video_init)
-- 
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