StatusBarItemGroup.h

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/* @@@LICENSE
*
*      Copyright (c) 2010-2013 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* LICENSE@@@ */




#ifndef STATUSBARITEMGROUP_H
#define STATUSBARITEMGROUP_H

#include "StatusBar.h"
#include "StatusBarItem.h"
#include <QPixmap>
#include <QPointer>
#include <QPropertyAnimation>
#include <QGraphicsSceneMouseEvent>

class StatusBarItemGroup : public StatusBarItem
{
        Q_OBJECT
        Q_PROPERTY(qreal arrowAnimProgress READ arrowAnimProgress WRITE setArrowAnimProgress)
        Q_PROPERTY(qreal overlayOpacity READ overlayOpacity WRITE setOverlayOpacity)

public:

        StatusBarItemGroup(int height, bool hasArrow, bool showSeparator, Alignment);
        ~StatusBarItemGroup();

        QRectF boundingRect() const;
        void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget);

        void setHeight(int h);

        int separatorWidth();

        void addItem(StatusBarItem* item);

        void show();
        void hide();

        void setMenuObject(QGraphicsObject* item);
        void activate();
        void deactivate();
        bool isActivated() { return m_active; }

        void setActionable(bool actionable);
        bool isActionable() const { return m_actionable; }

        void actionTriggered();

#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
    virtual bool sceneEvent(QEvent *event);
#endif
        virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
        virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
        virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
        virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);

        qreal arrowAnimProgress() { return m_arrowAnimProg; }
        void setArrowAnimProgress(qreal prog);

        qreal overlayOpacity() { return m_overlayOpacity; }
        void setOverlayOpacity(qreal opacity);

Q_SIGNALS:

        void signalActionTriggered(bool active);
        void signalActivated(StatusBarItemGroup* group);

private Q_SLOTS:
        void slotChildBoundingRectChanged();
        void slotFadeAnimationFinished();
        void slotOverlayAnimationFinished();
        void slotOverlayAnimValueChanged(const QVariant& value);

private:
        void layout();
        void layoutCenter();
        void layoutRight();
        void layoutLeft();

        int      m_height;
        QVector<StatusBarItem*>  m_items; // items order from right (0) to left
        bool     m_hasArrow;
        qreal    m_arrowAnimProg;
        qreal    m_overlayOpacity;
        bool     m_active;
        bool     m_actionable;
        bool     m_mouseDown;
        QPixmap* m_activeBkgPix;
//      QPixmap* m_pressedBkgPix;
        QPixmap* m_arrowPix;
        QPixmap* m_separatorPix;

        QGraphicsObject* m_menuObj;

        QPointer<QPropertyAnimation> m_opacityAnimPtr;
        QPointer<QPropertyAnimation> m_arrowFadeAnimPtr;
        QPointer<QPropertyAnimation> m_overlayAnimPtr;
};



#endif /* STATUSBARITEMGROUP_H */