inputparser.h

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#pragma once
 
#include <promeki/core/namespace.h>
#include <promeki/core/list.h>
#include <promeki/core/keyevent.h>
#include <promeki/core/mouseevent.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class TuiInputParser {
        public:
                struct ParsedEvent {
                        enum Type { None, Key, Mouse };
                        Type            type = None;
                        KeyEvent::Key   key = KeyEvent::Key_Unknown;
                        uint8_t         modifiers = 0;
                        String          text;
                        // Mouse fields
                        Point2Di32         mousePos;
                        MouseEvent::Button      mouseButton = MouseEvent::NoButton;
                        MouseEvent::Action      mouseAction = MouseEvent::Press;
                        uint8_t                 mouseButtons = 0; 
                };
 
                TuiInputParser();
 
                List<ParsedEvent> feed(const char *data, int len);
 
        private:
                enum State {
                        Normal,
                        EscapeStart,
                        CSI,
                        SS3,
                        CSIParam,
                        MouseSGR
                };
 
                State           _state = Normal;
                String          _buf;
                uint8_t         _buttonState = 0; 
 
                void parseCSI(const String &seq, List<ParsedEvent> &events);
                void parseSS3(char ch, List<ParsedEvent> &events);
                void parseMouseSGR(const String &seq, List<ParsedEvent> &events);
                static KeyEvent::Key csiToKey(int code, int modifier);
};
 
PROMEKI_NAMESPACE_END