Initial commit

include/ftxui/component/loop.hpp

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+// Copyright 2022 Arthur Sonzogni. All rights reserved.
+// Use of this source code is governed by the MIT license that can be found in
+// the LICENSE file.
+#ifndef FTXUI_COMPONENT_LOOP_HPP
+#define FTXUI_COMPONENT_LOOP_HPP
+
+#include <memory>  // for shared_ptr
+
+#include "ftxui/component/component_base.hpp"  // for ComponentBase
+
+namespace ftxui {
+class ComponentBase;
+
+using Component = std::shared_ptr<ComponentBase>;
+class ScreenInteractive;
+
+class Loop {
+ public:
+  Loop(ScreenInteractive* screen, Component component);
+  ~Loop();
+
+  bool HasQuitted();
+  void RunOnce();
+  void RunOnceBlocking();
+  void Run();
+
+ private:
+  // This class is non copyable.
+  Loop(const ScreenInteractive&) = delete;
+  Loop& operator=(const Loop&) = delete;
+
+  ScreenInteractive* screen_;
+  Component component_;
+};
+
+}  // namespace ftxui
+
+#endif  // FTXUI_COMPONENT_LOOP_HPP