GUI/src/components/VerticalTextToolButton.cpp

#include <QtWidgets/qstyleoption.h>
#include <QPaintEvent>
#include <QStylePainter>
#include "VerticalTextToolButton.h"

VerticalTextToolButton::VerticalTextToolButton(QWidget *parent) : QToolButton(parent) {

}

void VerticalTextToolButton::paintEvent(QPaintEvent *e) {
    QToolButton::paintEvent(e);
    QStylePainter painter(this);
    QStyleOptionToolButton opt;
    initStyleOption(&opt);
    painter.rotate(90);
    painter.drawText(this->iconSize().height() + 10, -this->iconSize().height() / 2 + 1, this->mVerticalText);
}