qt-creator/src/libs/utils/linecolumnlabel.cpp

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#include "linecolumnlabel.h"

#include <QMouseEvent>

/*!
    \class Utils::LineColumnLabel

    \brief A label suitable for displaying cursor positions, etc. with a fixed
    width derived from a sample text.
*/

namespace Utils {

LineColumnLabel::LineColumnLabel(QWidget *parent)
    : QLabel(parent)
    , m_pressed(false)
{
}

void LineColumnLabel::setText(const QString &text, const QString &maxText)
{
    QLabel::setText(text);
    m_maxText = maxText;
}

QSize LineColumnLabel::sizeHint() const
{
    return fontMetrics().boundingRect(m_maxText).size();
}

QString LineColumnLabel::maxText() const
{
    return m_maxText;
}

void LineColumnLabel::setMaxText(const QString &maxText)
{
    m_maxText = maxText;
}

void LineColumnLabel::mousePressEvent(QMouseEvent *ev)
{
    QLabel::mousePressEvent(ev);
    if (ev->button() == Qt::LeftButton)
        m_pressed = true;
}

void LineColumnLabel::mouseReleaseEvent(QMouseEvent *ev)
{
    QLabel::mouseReleaseEvent(ev);
    if (ev->button() != Qt::LeftButton)
        return;
    if (m_pressed && rect().contains(ev->pos()))
        emit clicked();
    m_pressed = false;
}

} // namespace Utils