SYNERGY-856 - Force prevent sleep

ChangeLog

@@ -10,6 +10,7 @@ Bug fixes:
 - #7015 Fix Windows service not starting up after sleep
 - #7036 Fix tray icon not changing theme on Big Sur
 - #7046 Fix MacOS 10.13 build
+- #7047 Fix prevent sleep option on Mac and Windows
 
 Enhancements:
 - #6998 Remove functionality related to the screen saver synchronisation
@@ -19,6 +20,7 @@ Enhancements:
 - #7030 | #7041 | #7043 Add user notification for secure input on Mac
 - #7044 Apply natural scroll setting independently on each client
 - #7040 Support "Kana" and "Eisu" keys on Japanese Apple Pro Keyboard (JIS)
+- #7047 Add prevent sleep option support to Linux
 ===========
 
 v1.14.0-stable

src/gui/CMakeLists.txt

@@ -62,6 +62,11 @@ include_directories (./src)
 target_link_libraries (synergy shared)
 
 qt5_use_modules (synergy Core Widgets Network)
+if (UNIX AND NOT APPLE)
+    find_package (Qt5 COMPONENTS DBus)
+    qt5_use_modules (synergy DBus)
+endif()
+
 target_compile_definitions (synergy PRIVATE -DSYNERGY_VERSION_STAGE="${SYNERGY_VERSION_STAGE}")
 target_compile_definitions (synergy PRIVATE -DSYNERGY_REVISION="${SYNERGY_REVISION}")
 

src/gui/src/MainWindow.cpp

@@ -38,6 +38,10 @@
 #include "Zeroconf.h"
 #include <QPushButton>
 
+#if defined(Q_OS_LINUX)
+#include <QtDBus/QtDBus>
+#endif
+
 #if defined(Q_OS_MAC)
 #include "OSXHelpers.h"
 #endif
@@ -661,7 +665,6 @@ void MainWindow::startSynergy()
 
     args << "-f" << "--no-tray" << "--debug" << appConfig().logLevelText();
 
-
     args << "--name" << appConfig().screenName();
 
     if (desktopMode)
@@ -718,6 +721,9 @@ void MainWindow::startSynergy()
     if (m_AppConfig->getPreventSleep())
     {
         args << "--prevent-sleep";
+#ifdef Q_OS_LINUX
+        setSleepPreventionState(true);
+#endif
     }
 
     // put a space between last log output and new instance.
@@ -988,6 +994,10 @@ void MainWindow::stopSynergy()
         stopDesktop();
     }
 
+#ifdef Q_OS_LINUX
+    setSleepPreventionState(false);
+#endif
+
     setSynergyState(synergyDisconnected);
 
     // reset so that new connects cause auto-hide.
@@ -1504,3 +1514,54 @@ void MainWindow::on_m_pButtonConnect_clicked()
     on_m_pButtonApply_clicked();
 }
 
+#ifdef Q_OS_LINUX
+void
+MainWindow::setSleepPreventionState(bool state)
+{
+    static const std::array<QString, 2> services =
+    {
+        "org.freedesktop.ScreenSaver",
+        "org.gnome.SessionManager"
+    };
+    static const std::array<QString, 2> paths =
+    {
+        "/org/freedesktop/ScreenSaver",
+        "/org/gnome/SessionManager"
+    };
+
+    static std::array<uint, 2> cookies;
+
+    QDBusConnection bus = QDBusConnection::sessionBus();
+    if(bus.isConnected())
+    {
+        for(int i = 0; i < services.size() ; i++)
+        {
+            QDBusInterface screenSaverInterface( services[i], paths[i],services[i], bus);
+
+            if (!screenSaverInterface.isValid())
+                continue;
+
+            QDBusReply<uint> reply;
+
+            if(state)
+            {
+                reply = screenSaverInterface.call("Inhibit", "nzuri-video Downloader", "REASON");
+            }
+            else
+            {
+                reply  = screenSaverInterface.call("UnInhibit", cookies[i]);
+            }
+
+            if (reply.isValid())
+            {
+                cookies[i] = reply.value();
+            }
+            else
+            {
+                QDBusError error =reply.error();
+                appendLogDebug(error.message() + " : " + error.name());
+            }
+        }
+    }
+}
+#endif

src/gui/src/MainWindow.h

@@ -209,6 +209,9 @@ public slots:
 #ifdef Q_OS_MAC
         void checkOSXNotification(const QString& line);
 #endif
+#ifdef Q_OS_LINUX
+        void setSleepPreventionState(bool state);
+#endif
 #ifndef SYNERGY_ENTERPRISE
         void checkLicense(const QString& line);
 #endif

src/lib/platform/MSWindowsScreen.cpp

@@ -251,6 +251,7 @@ MSWindowsScreen::enable()
 
     if (App::instance().argsBase().m_preventSleep) {
         ArchMiscWindows::addBusyState(ArchMiscWindows::kSYSTEM);
+        ArchMiscWindows::addBusyState(ArchMiscWindows::kDISPLAY);
     }
 }
 
@@ -270,6 +271,7 @@ MSWindowsScreen::disable()
     else {
         // allow the system to enter power saving mode
         ArchMiscWindows::removeBusyState(ArchMiscWindows::kSYSTEM);
+        ArchMiscWindows::removeBusyState(ArchMiscWindows::kDISPLAY);
     }
 
     // tell key state

src/lib/platform/OSXScreen.mm

@@ -756,8 +756,10 @@
 {
     if(App::instance().argsBase().m_preventSleep) {
         CFStringRef reasonForActivity = CFSTR("Synergy application");
-        IOReturn result = IOPMAssertionCreateWithName(kIOPMAssertionTypeNoIdleSleep,
-                                                        kIOPMAssertionLevelOn, reasonForActivity, &m_sleepPreventionAssertionID);
+
+        IOReturn result = IOPMAssertionCreateWithName(kIOPMAssertPreventUserIdleDisplaySleep,
+                                                        kIOPMAssertionLevelOn, reasonForActivity,
+                                                        &m_sleepPreventionAssertionID);
         if(result != kIOReturnSuccess) {
             m_sleepPreventionAssertionID = 0;
             LOG((CLOG_ERR "failed to disable system idle sleep"));