Barely working stripped down version of ScreenInteractive. Now to bring on the SFML events.

input_parser.hpp

@@ -0,0 +1,72 @@
+// Copyright 2020 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_TERMINAL_INPUT_PARSER
+#define FTXUI_COMPONENT_TERMINAL_INPUT_PARSER
+
+#include <memory>  // for unique_ptr
+#include <string>  // for string
+#include <vector>  // for vector
+
+#include "ftxui/component/event.hpp"     // for Event (ptr only)
+#include "ftxui/component/mouse.hpp"     // for Mouse
+#include "ftxui/component/receiver.hpp"  // for Sender
+#include "ftxui/component/task.hpp"      // for Task
+
+namespace ftxui {
+struct Event;
+
+// Parse a sequence of |char| accross |time|. Produces |Event|.
+class TerminalInputParser {
+ public:
+  TerminalInputParser(Sender<Task> out);
+  void Timeout(int time);
+  void Add(char c);
+
+ private:
+  unsigned char Current();
+  bool Eat();
+
+  enum Type {
+    UNCOMPLETED,
+    DROP,
+    CHARACTER,
+    SPECIAL,
+    MOUSE,
+    CURSOR_REPORTING,
+  };
+
+  struct CursorReporting {
+    int x;
+    int y;
+  };
+
+  struct Output {
+    Type type;
+    union {
+      Mouse mouse;
+      CursorReporting cursor;
+    };
+
+    Output(Type t) : type(t) {}
+  };
+
+  void Send(Output output);
+  Output Parse();
+  Output ParseUTF8();
+  Output ParseESC();
+  Output ParseDCS();
+  Output ParseCSI();
+  Output ParseOSC();
+  Output ParseMouse(bool altered, bool pressed, std::vector<int> arguments);
+  Output ParseCursorReporting(std::vector<int> arguments);
+
+  Sender<Task> out_;
+  int position_ = -1;
+  int timeout_ = 0;
+  std::string pending_;
+};
+
+}  // namespace ftxui
+
+#endif /* end of include guard: FTXUI_COMPONENT_TERMINAL_INPUT_PARSER */