Bar_p.h

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/*****************************************************************************
 *
 * Copyright (C) 2012  Florian Pose <fp@igh-essen.com>
 *
 * This file is part of the QtPdWidgets library.
 *
 * The QtPdWidgets library is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * The QtPdWidgets library 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 Lesser
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the QtPdWidgets Library. If not, see
 * <http://www.gnu.org/licenses/>.
 *
 ****************************************************************************/

#ifndef PD_BAR_PRIVATE_H
#define PD_BAR_PRIVATE_H

#include <QWidget>
#include <QPixmap>

#include "Bar.h"
#include "Export.h"

#include <QtPdCom1/ScalarSubscriber.h>
#include <QtPdCom1/Transmission.h>
#include "Widget.h"
#include "Scale.h"

namespace Pd {

/****************************************************************************/

class BarPrivate : public Widget
{
    Q_DECLARE_PUBLIC(Bar)
    Bar *const q_ptr;


        BarPrivate(Bar *parent);

        void clearVariables();

    private:
        Bar::Orientation orientation; 
        Bar::Style style; 
        bool showScale; 
        Scale valueScale; 
        Bar::Origin origin; 
        int borderWidth; 
        QColor backgroundColor; 
        bool autoBarWidth;
        QGradientStops gradientStops; 
        QLinearGradient gradient;

        double minStop; 
        double maxStop; 
        class Stack;
        typedef QList<Stack *> StackList;
        StackList stacks; 
        QPixmap backgroundPixmap; 
        QRect scaleRect;
        QRect borderRect;
        QRect barRect; 
        QLine zeroLine; 
        QPolygon darkPolygon; 
        QPolygon brightPolygon; 
        int maxBarWidth;

        QString debugStr;

        static QPolygon verticalDragIndicatorPolygon;
        static QPolygon horizontalDragIndicatorPolygon;
        static QPolygon verticalArrow;
        static QPolygon horizontalArrow;
        static void initDragIndicatorPolygons();

        void updateLayout();
        void updateBackground();
        unsigned int calcPosition(double, bool = true) const;

        void notifyMaxBarWidthChange();
        QList<Bar *> findSiblings();
        void maxBarWidthChanged();
        void retranslate();

        void updateGradient();
        void redrawEvent();
};

/****************************************************************************/

} // namespace Pd

#endif