From a7d57daad36a2ee325d2b377fe70cf8826d2b306 Mon Sep 17 00:00:00 2001
From: Alik Aslanyan <inline0@protonmail.com>
Date: Wed, 31 Mar 2021 16:49:26 +0400
Subject: [PATCH] Implement pause-on-active for Linux and FreeBSD

---
 CMakeLists.txt                    | 22 ++++++++++++++--------
 src/base/kernel/Platform_unix.cpp | 18 +++++++++++++++++-
 2 files changed, 31 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c1f403af..bcd83d13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,15 +159,21 @@ else()
 
     if (XMRIG_OS_ANDROID)
         set(EXTRA_LIBS pthread rt dl log)
-    elseif (XMRIG_OS_LINUX)
-        list(APPEND SOURCES_OS
-            src/crypto/common/LinuxMemory.h
-            src/crypto/common/LinuxMemory.cpp
-            )
+    else()
+        if (XMRIG_OS_LINUX)
+            list(APPEND SOURCES_OS
+                src/crypto/common/LinuxMemory.h
+                src/crypto/common/LinuxMemory.cpp
+                )
 
-        set(EXTRA_LIBS pthread rt dl)
-    elseif (XMRIG_OS_FREEBSD)
-        set(EXTRA_LIBS kvm pthread)
+            set(EXTRA_LIBS pthread rt dl)
+        elseif (XMRIG_OS_FREEBSD)
+            set(EXTRA_LIBS kvm pthread)
+        endif()
+            
+        find_package(X11 REQUIRED)
+        set(EXTRA_LIBS ${EXTRA_LIBS} Xss ${X11_LIBRARIES})
+        include_directories(${X11_INCLUDE_DIR})
     endif()
 endif()
 
diff --git a/src/base/kernel/Platform_unix.cpp b/src/base/kernel/Platform_unix.cpp
index f5bbc193..994c08e3 100644
--- a/src/base/kernel/Platform_unix.cpp
+++ b/src/base/kernel/Platform_unix.cpp
@@ -36,6 +36,8 @@
 #include <fstream>
 #include <limits>
 
+#include <X11/extensions/scrnsaver.h>
+
 
 #include "base/kernel/Platform.h"
 #include "version.h"
@@ -163,5 +165,19 @@ bool xmrig::Platform::isOnBatteryPower()
 
 uint64_t xmrig::Platform::idleTime()
 {
-    return std::numeric_limits<uint64_t>::max();
+    Display *dpy = XOpenDisplay(nullptr);
+ 
+    if (!dpy) {
+        return std::numeric_limits<uint64_t>::max();
+    }
+
+    XScreenSaverInfo *info = XScreenSaverAllocInfo();
+    XScreenSaverQueryInfo(dpy, DefaultRootWindow(dpy), info);
+
+    uint64_t idle = info->idle;
+
+    XFree(info);
+    XCloseDisplay(dpy);
+
+    return idle;
 }