storagebar.h

#ifndef STORAGEBAR_H
#define STORAGEBAR_H

#include <QFrame>
#include <QLabel>

extern QString blue;
extern QString red;
extern QString orange;
extern QString green;

class StorageBar : public QFrame
{
public:
    StorageBar()
    {
        hide();
        setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
        setFixedSize(100,20);
        setObjectName("main");
        setStyleSheet("#main{background:#999;border-radius:6px}");

        bar->setParent(this);
        bar->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
        bar->setFixedSize(0,20);
        bar->setObjectName("bar");
        bar->setStyleSheet("#bar{background:"+blue+";border-top-left-radius:6px;border-bottom-left-radius:6px}");

        text->setParent(this);
        text->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
        text->setFixedSize(100,20);
        text->move(10,0);
        text->setStyleSheet("color:#FFF;text-align:center;font-size:10px");
    }

    QFrame *bar = new QFrame();
    QLabel *text = new QLabel();

public slots:
    void setPercent(long used, long total){
        float per = (float)100/(float)total*(float)used;
        if(per<6){
            per = 6;
        }
        bar->setFixedWidth(per);
        text->setText(QString::number((float)used/1000000000, 'f', 1 ) + " GB / " +  QString::number(total/1000000000, 'f', 1 ) + " GB");
    }


};

#endif // STORAGEBAR_H