textProgressBar.h

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#pragma once
 
#include "textProgressBarConventions.h"
 
// c++
#include <string>
using std::string;

class TextProgressBar
{
public:
    TextProgressBar(int  w, string t, int minimum = 0, int maximum = 100, char s = '[', char e = ']', char m = '=',
                    char a                        = '>') :
        barWidth(w), title(t), min(minimum), max(maximum), startBarChar(s), endBarChar(e), middleBarChar(m),
        advanceBarChar(a) {
        // Determine the internal update granularity so we print at most textProgressBar::TEXTPROGRESSBARNSTEPS
        // updates. If the range is too small, "singleStep" becomes 0 and updates will be suppressed.
        if (maximum - minimum > textProgressBar::TEXTPROGRESSBARNSTEPS) {
            singleStep = (maximum - minimum) / textProgressBar::TEXTPROGRESSBARNSTEPS;
        }
        else {
            singleStep = 0;
        }
 
        // The next progress threshold at which we will print an update.
        indexStep = minimum;
    }

    void setProgress(int p);
 
private:
    int barWidth;

    string title;

    int min, max;

    char startBarChar, endBarChar;

    char middleBarChar, advanceBarChar;

    int singleStep;

    int indexStep;
};