transmission/qt/SqueezeLabel.cc

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#include <QPainter>
#include <QStyle>
#include <QStyleOption>

#include "SqueezeLabel.h"

SqueezeLabel::SqueezeLabel(QString const& text, QWidget* parent) :
    QLabel(text, parent)
{
}

SqueezeLabel::SqueezeLabel(QWidget* parent) :
    QLabel(parent)
{
}

void SqueezeLabel::paintEvent(QPaintEvent* paintEvent)
{
    if (hasFocus() && (textInteractionFlags() & (Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse)) != 0)
    {
        return QLabel::paintEvent(paintEvent);
    }

    QPainter painter(this);
    QFontMetrics fm = fontMetrics();
    QStyleOption opt;
    opt.initFrom(this);
    QString const fullText = text();
    QString const elidedText = fm.elidedText(fullText, Qt::ElideRight, width());
    style()->drawItemText(&painter, contentsRect(), alignment(), opt.palette, isEnabled(), elidedText, foregroundRole());

#ifndef QT_NO_TOOLTIP
    setToolTip(fullText != elidedText ? fullText : QString());
#endif
}