/************************************************************************
 *
 * Copyright 2010 Jakob Leben (jakob.leben@gmail.com)
 *
 * This file is part of SuperCollider Qt GUI.
 *
 * 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.  If not, see <http://www.gnu.org/licenses/>.
 *
 ************************************************************************/

#include "BasicWidgets.h"
#include "../QcWidgetFactory.h"

#include <QPaintEvent>
#include <QPainter>

QC_DECLARE_QWIDGET_FACTORY(QcDefaultWidget);
QC_DECLARE_QWIDGET_FACTORY(QcHLayoutWidget);
QC_DECLARE_QWIDGET_FACTORY(QcVLayoutWidget);

void QcSimpleWidget::setBackground(const QColor& c) {
    if (_bkg == c)
        return;

    _bkg = c;
    setAttribute(Qt::WA_OpaquePaintEvent, c.isValid() && c.alpha() == 255);
    update();
}

void QcSimpleWidget::setBackgroundImage(const QSharedPointer<QtCollider::Image>& image, const QRectF& rect,
                                        int tileMode, double opacity) {
    _bkg_image.setImage(image, rect, tileMode, opacity);
    update();
}

void QcSimpleWidget::paintEvent(QPaintEvent* e) {
    QPainter painter(this);

    if (_bkg.isValid())
        painter.fillRect(e->rect(), _bkg);

    if (_bkg_image.isValid())
        _bkg_image.paint(&painter, rect());
}

class QcCustomPaintedFactory : public QcWidgetFactory<QcCustomPainted> {
protected:
    virtual void initialize(QWidgetProxy* p, QcCustomPainted* w) {
        QObject::connect(w, SIGNAL(painting(QPainter*)), p, SLOT(customPaint(QPainter*)));
    }
};

QC_DECLARE_FACTORY(QcCustomPainted, QcCustomPaintedFactory);
