ticker_string.cpp

#include <sys/ioctl.h>
#include <unistd.h>
#include <stdio.h>

void DeleteLine(int delay=10000){
    usleep(delay);
    std::cout << "\033[A\033[2K";
}


std::string shifted_str(std::string s, int indent, int width){
    std::string output;
    for (int i = 0; i <= indent; i++)
        output += " ";
    output += s.substr(0, width - output.length());
    return output;
}

void ticker(std::string s){
    
    struct winsize size;
    ioctl(STDOUT_FILENO,TIOCGWINSZ,&size);
    for (int i = size.ws_col - 1; i > 0; i--){
    //for (int i = 0; i < size.ws_col - 1; i++){ // From left to right
            std::cout << shifted_str(s, i, size.ws_col) << std::endl;
            DeleteLine(20000);
    }
    std::cout << s;
}