75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
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#include "../headers/qmodernprogressbar.h"
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QModernProgressBar::QModernProgressBar(QWidget* parent) : QProgressBar(parent)
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{
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this->refreshTimer = new QTimer();
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this->refreshTimer->setSingleShot(false);
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this->refreshTimer->setInterval(400);
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connect(this->refreshTimer, SIGNAL(timeout()), this, SLOT(updateIndeterminate()));
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this->indeterminateAnimtion = new QPropertyAnimation(this, "value");
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this->indeterminateAnimtion->setDuration(2000);
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this->indeterminateAnimtion->setStartValue(0);
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this->indeterminateAnimtion->setEndValue(1000);
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this->indeterminateAnimtion->setEasingCurve(QEasingCurve(QEasingCurve::InOutQuad));
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this->indeterminateAnimtion->setLoopCount(-1);
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this->setValue(0);
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}
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void QModernProgressBar::setIndeterminate(bool indeterminate) {
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if(this->indeterminate == indeterminate)
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return;
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this->indeterminate = indeterminate;
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if(this->indeterminate) {
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this->preIndeterminateValue = this->value();
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// finer steps, so the Animation is fluid
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this->setMinimum(0);
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this->setMaximum(1000);
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this->indeterminateAnimtion->start();
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}
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else {
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// reset minimum and maximum
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this->setMinimum(0);
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this->setMaximum(100);
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this->setValue(this->preIndeterminateValue);
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this->indeterminateAnimtion->stop();
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}
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}
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bool QModernProgressBar::getIndeterminate() {
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return this->indeterminate;
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}
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void QModernProgressBar::updateIndeterminate() {
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qDebug() << "update indeterminate";
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}
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void QModernProgressBar::paintEvent(QPaintEvent *e) {
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QPainter painter;
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painter.begin(this);
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// background
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painter.fillRect(e->rect(), QColor("#c7c7c7"));
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// progress
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if(this->indeterminate) {
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int maximum = this->maximum() / 2;
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if(this->value() <= maximum)
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// for the first half -> fill from left
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painter.fillRect(QRect(0,0, e->rect().width() * double(double(this->value()) / double(maximum)), e->rect().height()), QColor(0,0,0));
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else
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// for the second half -> empty from right
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painter.fillRect(QRect(e->rect().width() * double(double(this->value()- (maximum)) / double(maximum)),0, e->rect().width(), e->rect().height()), QColor(0,0,0));
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}
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else
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painter.fillRect(QRect(0,0, e->rect().width() * float(float(this->value()) / float(this->maximum())), e->rect().height()), QColor(0,0,0));
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painter.end();
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QWidget::paintEvent(e);
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}
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