From 10f73a88a374a250d192b02d783b5de3fe6e4aa6 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 13 Sep 2017 01:57:39 +0300
Subject: Fix option for enable/disable screensaver in SDL 2.

---
 src/utils/env.cpp        |  5 -----
 src/utils/sdl2helper.cpp | 15 +++++++++++++++
 src/utils/sdl2helper.h   |  2 ++
 src/utils/sdlhelper.cpp  |  9 +++++++++
 src/utils/sdlhelper.h    |  2 ++
 5 files changed, 28 insertions(+), 5 deletions(-)

(limited to 'src/utils')

diff --git a/src/utils/env.cpp b/src/utils/env.cpp
index 0ffc9ce6b..e8808e238 100644
--- a/src/utils/env.cpp
+++ b/src/utils/env.cpp
@@ -35,11 +35,6 @@ void updateEnv()
         setEnv("SDL_VIDEO_CENTERED", "0");
 #endif  // defined(WIN32) || defined(__APPLE__)
 
-    if (config.getBoolValue("allowscreensaver"))
-        setEnv("SDL_VIDEO_ALLOW_SCREENSAVER", "1");
-    else
-        setEnv("SDL_VIDEO_ALLOW_SCREENSAVER", "0");
-
 #ifndef WIN32
     const int vsync = settings.options.test.empty()
         ? config.getIntValue("vsync") : 1;
diff --git a/src/utils/sdl2helper.cpp b/src/utils/sdl2helper.cpp
index 00893ce82..da86d2b41 100644
--- a/src/utils/sdl2helper.cpp
+++ b/src/utils/sdl2helper.cpp
@@ -31,6 +31,7 @@
 PRAGMA48(GCC diagnostic push)
 PRAGMA48(GCC diagnostic ignored "-Wshadow")
 #include <SDL_events.h>
+#include <SDL_hints.h>
 #include <SDL_syswm.h>
 PRAGMA48(GCC diagnostic pop)
 
@@ -210,4 +211,18 @@ bool SDL::PollEvent(SDL_Event *event)
         SDL_LASTEVENT) > 0;
 }
 
+void SDL::allowScreenSaver(const bool allow)
+{
+    if (allow)
+    {
+        SDL_SetHint(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, "1");
+        SDL_EnableScreenSaver();
+    }
+    else
+    {
+        SDL_SetHint(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, "0");
+        SDL_DisableScreenSaver();
+    }
+}
+
 #endif  // USE_SDL2
diff --git a/src/utils/sdl2helper.h b/src/utils/sdl2helper.h
index 55d69a75d..4dbbad0f9 100644
--- a/src/utils/sdl2helper.h
+++ b/src/utils/sdl2helper.h
@@ -71,6 +71,8 @@ namespace SDL
     void WaitThread(SDL_Thread *const thread);
 
     bool PollEvent(SDL_Event *event);
+
+    void allowScreenSaver(const bool allow);
 }  // namespace SDL
 
 #endif  // USE_SDL2
diff --git a/src/utils/sdlhelper.cpp b/src/utils/sdlhelper.cpp
index 85606f7f7..e30bdebaa 100644
--- a/src/utils/sdlhelper.cpp
+++ b/src/utils/sdlhelper.cpp
@@ -25,6 +25,7 @@
 #include "logger.h"
 
 #include "utils/cast.h"
+#include "utils/env.h"
 #include "utils/stringutils.h"
 
 #if defined(USE_X11) && defined(USE_OPENGL)
@@ -205,4 +206,12 @@ bool SDL::PollEvent(SDL_Event *event)
         SDL_ALLEVENTS) > 0;
 }
 
+void SDL::allowScreenSaver(const bool allow)
+{
+    if (allow)
+        setEnv("SDL_VIDEO_ALLOW_SCREENSAVER", "1");
+    else
+        setEnv("SDL_VIDEO_ALLOW_SCREENSAVER", "0");
+}
+
 #endif  // USE_SDL2
diff --git a/src/utils/sdlhelper.h b/src/utils/sdlhelper.h
index d388fe7fb..f304036aa 100644
--- a/src/utils/sdlhelper.h
+++ b/src/utils/sdlhelper.h
@@ -77,6 +77,8 @@ namespace SDL
     void WaitThread(SDL_Thread *const thread);
 
     bool PollEvent(SDL_Event *event);
+
+    void allowScreenSaver(const bool allow);
 }  // namespace SDL
 
 #endif  // USE_SDL2
-- 
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