terminal.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_CORE
#include <functional>
#include <promeki/function.h>
#include <promeki/namespace.h>
#include <promeki/size2d.h>
#include <promeki/platform.h>
#include <promeki/error.h>
#include <promeki/result.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class Terminal {
        public:
                using ResizeCallback = Function<void(int cols, int rows)>;
 
                enum ColorSupport {
                        NoColor,     
                        Grayscale16, 
                        Grayscale256, 
                        GrayscaleTrue, 
                        Basic,         
                        Color256,      
                        TrueColor      
                };
 
                Terminal();
 
                Terminal(int inputFd, int outputFd);
 
                ~Terminal();
 
                Terminal(const Terminal &) = delete;
                Terminal &operator=(const Terminal &) = delete;
 
                int inputFd() const { return _inputFd; }
 
                int outputFd() const { return _outputFd; }
 
                Error enableRawMode();
 
                Error disableRawMode();
 
                bool isRawMode() const { return _rawMode; }
 
                Result<int> readInput(char *buf, int maxLen);
 
                Error windowSize(int &cols, int &rows) const;
 
                Size2Di32 size() const;
 
                Error enableMouseTracking();
 
                Error disableMouseTracking();
 
                bool isMouseTrackingEnabled() const { return _mouseTracking; }
 
                Error enableBracketedPaste();
 
                Error disableBracketedPaste();
 
                Error enableAlternateScreen();
 
                Error disableAlternateScreen();
 
                void setResizeCallback(ResizeCallback cb);
 
                void installSignalHandlers();
 
                static ColorSupport colorSupport();
 
                Result<int> writeOutput(const char *data, int len);
 
        private:
                void init();
 
                int            _inputFd;
                int            _outputFd;
                bool           _rawMode = false;
                bool           _mouseTracking = false;
                bool           _bracketedPaste = false;
                bool           _alternateScreen = false;
                ResizeCallback _resizeCallback;
 
                // Opaque storage for platform-specific terminal state.
                // On POSIX this holds a struct termios.
                void *_origState = nullptr;
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_CORE