Check if hibernation is support on the computer. If not, disable the hibernate option.

doc/Changelog.html

@@ -22,6 +22,7 @@ a:visited { color: #0000EE; }
 <li>Added "built-in" WMA decoder (see <a href="http://forum.doom9.org/showthread.php?t=140273">this</a> thread for details) and removed all remnants of "old" decoder
 <li>Added optional support for the FHG AAC Encoder included with Winamp 5.62 (see <a href="FAQ.html#71a113b0" target="_blank">FAQ doc</a> for details)
 <li>Added a menu for bookmarking "favorite" output folders to the "output folder" tab
+<li>Added an option to hibernate the computer (aka "Suspend-to-Disk") instead of shutting it down
 <li>Added Polish translation, thanks to Sir Daniel K &lt;sir.daniel.k@gmail.com&gt;
 <li>Added channel equalization options to the normalization filter (also fixes multi-channel processing)
 <li>Updated Qt runtime libraries to v4.8.0 RC-1 (2011-10-13), compiled with MSVC 10.0

src/Dialog_MainWindow.cpp

@@ -361,6 +361,7 @@ MainWindow::MainWindow(FileListModel *fileListModel, AudioFileModel *metaInfo, S
 	actionCheckForBetaUpdates->setChecked(m_settings->autoUpdateCheckBeta() || lamexp_version_demo());
 	actionCheckForBetaUpdates->setEnabled(!lamexp_version_demo());
 	actionHibernateComputer->setChecked(m_settings->hibernateComputer());
+	actionHibernateComputer->setEnabled(lamexp_is_hibernation_supported());
 	connect(actionDisableUpdateReminder, SIGNAL(triggered(bool)), this, SLOT(disableUpdateReminderActionTriggered(bool)));
 	connect(actionDisableSounds, SIGNAL(triggered(bool)), this, SLOT(disableSoundsActionTriggered(bool)));
 	connect(actionDisableNeroAacNotifications, SIGNAL(triggered(bool)), this, SLOT(disableNeroAacNotificationsActionTriggered(bool)));

src/Global.cpp

@@ -1499,6 +1499,24 @@ __int64 lamexp_free_diskspace(const QString &path)
 	}
 }
 
+/*
+ * Check if computer does support hibernation
+ */
+bool lamexp_is_hibernation_supported(void)
+{
+	bool hibernationSupported = false;
+
+	SYSTEM_POWER_CAPABILITIES pwrCaps;
+	SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
+	
+	if(GetPwrCapabilities(&pwrCaps))
+	{
+		hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
+	}
+
+	return hibernationSupported;
+}
+
 /*
  * Shutdown the computer
  */

src/Global.h

@@ -104,6 +104,7 @@ void lamexp_ipc_send(unsigned int command, const char* message);
 lamexp_cpu_t lamexp_detect_cpu_features(int argc = 0, char **argv = NULL);
 bool lamexp_portable_mode(void);
 bool lamexp_shutdown_computer(const QString &message, const unsigned long timeout = 30, const bool forceShutdown = true, const bool hibernate = false);
+bool lamexp_is_hibernation_supported(void);
 
 //Translation support
 QStringList lamexp_query_translations(void);

src/Model_Settings.cpp

@@ -247,6 +247,14 @@ void SettingsModel::validate(void)
 		qWarning("Current language \"%s\" is unknown, reverting to default language!", this->currentLanguage().toLatin1().constData());
 		this->currentLanguage(defaultLanguage());
 	}
+
+	if(this->hibernateComputer())
+	{
+		if(!lamexp_is_hibernation_supported())
+		{
+			this->hibernateComputer(false);
+		}
+	}
 }
 
 ////////////////////////////////////////////////////////////