/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qtoolbarextension_p.h"
#include <qpixmap.h>
#include <qstyle.h>
#include <qstylepainter.h>
#include <qstyleoption.h>

#ifndef QT_NO_TOOLBUTTON

QT_BEGIN_NAMESPACE

QToolBarExtension::QToolBarExtension(QWidget *parent)
    : QToolButton(parent)
{
    setObjectName(QLatin1String("qt_toolbar_ext_button"));
    setAutoRaise(true);
    setOrientation(Qt::Horizontal);
    setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
    setCheckable(true);
}

void QToolBarExtension::setOrientation(Qt::Orientation o)
{
    QStyleOption opt;
    opt.init(this);
    if (o == Qt::Horizontal) {
        setIcon(style()->standardIcon(QStyle::SP_ToolBarHorizontalExtensionButton, &opt));
    } else {
        setIcon(style()->standardIcon(QStyle::SP_ToolBarVerticalExtensionButton, &opt));
   }
}

void QToolBarExtension::paintEvent(QPaintEvent *)
{
    QStylePainter p(this);
    QStyleOptionToolButton opt;
    initStyleOption(&opt);
    // We do not need to draw both extension arrows
    opt.features &= ~QStyleOptionToolButton::HasMenu;
    p.drawComplexControl(QStyle::CC_ToolButton, opt);
}


QSize QToolBarExtension::sizeHint() const
{
    int ext = style()->pixelMetric(QStyle::PM_ToolBarExtensionExtent);
    return QSize(ext, ext);
}

QT_END_NAMESPACE

#endif // QT_NO_TOOLBUTTON