/*
 * Cantata
 *
 * Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@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 2 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef TEXTBROWSER_H
#define TEXTBROWSER_H

#include <QtGui/QTextBrowser>
#include <QtGui/QImage>
#include <QtCore/QDebug>
class TextBrowser : public QTextBrowser
{
public:
    TextBrowser(QWidget *p)
        : QTextBrowser(p)
        , drawImage(false) {
        orig=font().pointSize();
    }

    virtual ~TextBrowser() {
    }

    void setZoom(int diff) {
        if (diff) {
            zoomIn(diff);
        }
    }

    int zoom() const {
        return font().pointSize()-orig;
    }

    void setImage(const QImage &img) {
        if (drawImage && (!img.isNull() || (img.isNull()!=image.isNull()))) {
            image=img;
            viewport()->update();
        }
    }

    void enableImage(bool e) {
        if (e!=drawImage) {
            drawImage=e;
            if (!drawImage) {
                image=QImage();
            }
            if (e) {
                viewport()->setAutoFillBackground(false);
            }
            viewport()->update();
        }
    }

    bool imageEnabled() {
        return drawImage;
    }

    void paintEvent(QPaintEvent *e);

private:
    int orig;
    QImage image;
    bool drawImage;
};

#endif