/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQUICKTEXTMETRICS_H
#define QQUICKTEXTMETRICS_H

#include <qqml.h>

#include <QtGui/QFontMetricsF>
#include <QtCore/QObject>

QT_BEGIN_NAMESPACE

class QFont;

class Q_AUTOTEST_EXPORT QQuickTextMetrics : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged FINAL)
    Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged FINAL)
    Q_PROPERTY(qreal advanceWidth READ advanceWidth NOTIFY metricsChanged FINAL)
    Q_PROPERTY(QRectF boundingRect READ boundingRect NOTIFY metricsChanged FINAL)
    Q_PROPERTY(qreal width READ width NOTIFY metricsChanged FINAL)
    Q_PROPERTY(qreal height READ height NOTIFY metricsChanged FINAL)
    Q_PROPERTY(QRectF tightBoundingRect READ tightBoundingRect NOTIFY metricsChanged FINAL)
    Q_PROPERTY(QString elidedText READ elidedText NOTIFY metricsChanged FINAL)
    Q_PROPERTY(Qt::TextElideMode elide READ elide WRITE setElide NOTIFY elideChanged FINAL)
    Q_PROPERTY(qreal elideWidth READ elideWidth WRITE setElideWidth NOTIFY elideWidthChanged FINAL)

public:
    explicit QQuickTextMetrics(QObject *parent = 0);
    ~QQuickTextMetrics();

    QFont font() const;
    void setFont(const QFont &font);

    QString text() const;
    void setText(const QString &text);

    Qt::TextElideMode elide() const;
    void setElide(Qt::TextElideMode elide);

    qreal elideWidth() const;
    void setElideWidth(qreal elideWidth);

    qreal advanceWidth() const;
    QRectF boundingRect() const;
    qreal width() const;
    qreal height() const;
    QRectF tightBoundingRect() const;
    QString elidedText() const;

Q_SIGNALS:
    void fontChanged();
    void textChanged();
    void elideChanged();
    void elideWidthChanged();
    void metricsChanged();

private:
    QString m_text;
    QFont m_font;
    QFontMetricsF m_metrics;
    Qt::TextElideMode m_elide;
    qreal m_elideWidth;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickTextMetrics)

#endif // QQUICKTEXTMETRICS_H
