cursor.hpp

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#pragma once
 
#include "ansi.hpp"
#include "coordinates.hpp"
 
#define CHA 'H'
#define VPA 'd'
 
namespace sista {
    void clearScreen(bool spaces=true);
 
    enum class EraseScreen: int {
        FROM_CURSOR_TO_END = 0, 
        FROM_CURSOR_TO_BEGINNING = 1, 
        ENTIRE_SCREEN = 2, 
        ERASE_SAVED_LINES = 3, 
    };
    enum class EraseLine: int {
        LINE_FROM_CURSOR_TO_END = 0, 
        LINE_FROM_CURSOR_TO_BEGINNING = 1, 
        ENTIRE_LINE = 2, 
    };
    enum class MoveCursor: char {
        UP = 'A',
        DOWN = 'B',
        RIGHT = 'C',
        LEFT = 'D',
        BEGINNING_OF_NEXT_LINE = 'E',
        BEGINNING_OF_PREVIOUS_LINE = 'F',
        HORIZONTAL_ABSOLUTE = 'G' 
    };
    enum class MoveCursorDEC: int {
        SAVE_CURSOR_POSITION = 7,
        RESTORE_CURSOR_POSITION = 8
    };
    enum class MoveCursorSCO: char {
        SCO_SAVE_CURSOR_POSITION = 's',
        SCO_RESTORE_CURSOR_POSITION = 'u'
    };
    
    struct Cursor {
    private:
        const static unsigned short int offset_y;
        const static unsigned short int offset_x;
 
    public:
        Cursor();
        ~Cursor();
 
        void goTo(unsigned short int, unsigned short int) const;
        void goTo(sista::Coordinates) const;
 
        void eraseScreen(EraseScreen) const;
        void eraseLine(EraseLine, bool=true) const;
 
        void move(MoveCursor, unsigned short int) const;
        void move(MoveCursorDEC) const;
        void move(MoveCursorSCO) const;
    };
};