Code cleanup: moving poly::ui to xe::ui

src/xenia/ui/menu_item.cc

@@ -0,0 +1,47 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2014 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/ui/menu_item.h"
+
+namespace xe {
+namespace ui {
+
+MenuItem::MenuItem(Type type) : type_(type), parent_item_(nullptr) {}
+
+MenuItem::~MenuItem() = default;
+
+void MenuItem::AddChild(MenuItem* child_item) {
+  AddChild(MenuItemPtr(child_item, [](MenuItem* item) {}));
+}
+
+void MenuItem::AddChild(std::unique_ptr<MenuItem> child_item) {
+  AddChild(
+      MenuItemPtr(child_item.release(), [](MenuItem* item) { delete item; }));
+}
+
+void MenuItem::AddChild(MenuItemPtr child_item) {
+  auto child_item_ptr = child_item.get();
+  children_.emplace_back(std::move(child_item));
+  OnChildAdded(child_item_ptr);
+}
+
+void MenuItem::RemoveChild(MenuItem* child_item) {
+  for (auto& it = children_.begin(); it != children_.end(); ++it) {
+    if (it->get() == child_item) {
+      children_.erase(it);
+      OnChildRemoved(child_item);
+      break;
+    }
+  }
+}
+
+void MenuItem::OnSelected(UIEvent& e) { on_selected(e); }
+
+}  // namespace ui
+}  // namespace xe