menu: Adds option to power off the XBOX.

Author: abaire

Includes/menu.cpp

@@ -335,6 +335,10 @@ Menu::Menu(const Config& config, Renderer& renderer) :
       std::shared_ptr<MenuExec> newNode = std::make_shared<MenuExec>(
           e["label"], [](Menu*) { XBELauncher::exitToDashboard(); });
       this->rootNode.addNode(newNode);
+    } else if (!static_cast<std::string>(e["type"]).compare("shutdown")) {
+      std::shared_ptr<MenuExec> newNode = std::make_shared<MenuExec>(
+          e["label"], [](Menu*) { XBELauncher::shutdown(); });
+      this->rootNode.addNode(newNode);
     } else if (!static_cast<std::string>(e["type"]).compare("settings")) {
       std::shared_ptr<MenuNode> newNode = std::make_shared<settingsMenu>(currentMenu,
                                                                          e["label"]);

Includes/xbeLauncher.cpp

@@ -3,8 +3,15 @@
 #ifdef NXDK
 #include <hal/video.h>
 #include <hal/xbox.h>
+#include <xboxkrnl/xboxkrnl.h>
 #endif
 
+void XBELauncher::shutdown() {
+#ifdef NXDK
+  HalInitiateShutdown();
+#endif
+}
+
 void XBELauncher::exitToDashboard() {
   showLaunchImage();
   // TODO: Switch to XLaunchXBE(nullptr) if XboxDev/nxdk#501 is merged.

Includes/xbeLauncher.h

@@ -6,7 +6,13 @@
 // Launches an XBE (or the dashboard).
 class XBELauncher {
 public:
+  // Powers down the XBOX. Should not return.
+  static void shutdown();
+
+  // Returns to the dashboard. Should not return.
   static void exitToDashboard();
+
+  // Launches the XBE at the given path. Should not return.
   static void launch(std::string const& xbePath);
 
 private:

sampleconfig.json

@@ -64,6 +64,10 @@
             "label": "Reboot",
             "type": "reboot"
         },
+        {
+            "label": "Power off",
+            "type": "shutdown"
+        },
         {
             "label": "Some stupid submenu",
             "type": "submenu"