StatusBarClock.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 STATUSBARCLOCK_H
#define STATUSBARCLOCK_H

#include "StatusBarItem.h"
#include <QGraphicsObject>
#include <QTextLayout>

class StatusBarClock : public StatusBarItem
{
        Q_OBJECT

public:

        StatusBarClock(unsigned int padding = 0);
        virtual ~StatusBarClock();

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

        void updateTimeFormat(const char* format);

        void setDisplayDate(bool date);

        int width() const { return m_bounds.width(); }
        int height() const { return m_bounds.height(); }

        void setPadding( unsigned int padding);

private Q_SLOTS:
        void tick();
        void slotSystemTimeChanged();

private:
        static const int kMaxTimeChars = 10;

        void setTimeText(const char *time, bool doUpdate = true);
        void setTimeText(const QString& time, bool doUpdate = true);

        QString m_timeText;
        QRectF m_textRect;
        QFont* m_font;
#if defined TARGET_DESKTOP && (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
    QPixmap m_textPixmap;
#endif

        bool m_twelveHour;
        bool m_displayDate;
        char m_timeBuf[kMaxTimeChars];
        char* m_curTimeStr;
        unsigned int m_textPadding;

        struct {
                int year;
                int month;
                int day;
                int hour;
                int min;
        } m_lastUpdateTime;

        // TODO: use QBasicTimer instead? (may be more lightweight)
        QTimer *m_clockTimer;
};



#endif /* STATUSBARCLOCK_H */