falkonOfficial/src/lib/tools/clickablelabel.cpp

/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2010-2014  David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "clickablelabel.h"

#include <QMouseEvent>

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

QString ClickableLabel::themeIcon() const
{
    return m_themeIcon;
}

void ClickableLabel::setThemeIcon(const QString &name)
{
    m_themeIcon = name;
    updateIcon();
}

QIcon ClickableLabel::fallbackIcon() const
{
    return m_fallbackIcon;
}

void ClickableLabel::setFallbackIcon(const QIcon &fallbackIcon)
{
    m_fallbackIcon = fallbackIcon;
    updateIcon();
}

void ClickableLabel::updateIcon()
{
    if (!m_themeIcon.isEmpty()) {
        const QIcon icon = QIcon::fromTheme(m_themeIcon);
        if (!icon.isNull()) {
            setPixmap(icon.pixmap(size()));
            return;
        }
    }

    if (!m_fallbackIcon.isNull())
        setPixmap(m_fallbackIcon.pixmap(size()));
}

void ClickableLabel::resizeEvent(QResizeEvent *ev)
{
    QLabel::resizeEvent(ev);
    updateIcon();
}

void ClickableLabel::mouseReleaseEvent(QMouseEvent* ev)
{
    if (ev->button() == Qt::LeftButton && rect().contains(ev->pos())) {
        if (ev->modifiers() == Qt::ControlModifier) {
            emit middleClicked(ev->globalPos());
        }
        else {
            emit clicked(ev->globalPos());
        }
    }
    else if (ev->button() == Qt::MiddleButton && rect().contains(ev->pos())) {
        emit middleClicked(ev->globalPos());
    }
    else {
        QLabel::mouseReleaseEvent(ev);
    }
}