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Diffstat (limited to 'src/scroller_p.h')
-rw-r--r-- | src/scroller_p.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/src/scroller_p.h b/src/scroller_p.h deleted file mode 100644 index 05d93db7..00000000 --- a/src/scroller_p.h +++ /dev/null @@ -1,109 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 Digia Plc -** All rights reserved. -** For any questions to Digia, please use contact form at http://qt.digia.com -** -** This file is part of the Qt Enterprise Charts Add-on. -** -** $QT_BEGIN_LICENSE$ -** Licensees holding valid Qt Enterprise licenses may use this file in -** accordance with the Qt Enterprise License Agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. -** -** If you have questions regarding the use of this file, please use -** contact form at http://qt.digia.com -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// W A R N I N G -// ------------- -// -// This file is not part of the Qt Enterprise Chart API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. - -#ifndef SCROLLER_P_H -#define SCROLLER_P_H - -#include "qchartglobal.h" -#include <QBasicTimer> -#include <QTime> -#include <QPointF> - -class QGraphicsSceneMouseEvent; - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -class Scroller; -class QLegend; - -class ScrollTicker : public QObject -{ - Q_OBJECT -public: - explicit ScrollTicker(Scroller *scroller, QObject *parent = 0); - void start(int interval); - void stop(); -protected: - void timerEvent(QTimerEvent *event); - -private: - QBasicTimer m_timer; - Scroller *m_scroller; -}; - -class Scroller -{ -public: - enum State { - Idle, - Pressed, - Move, - Scroll - }; - - Scroller(); - virtual ~Scroller(); - - virtual void setOffset(const QPointF &point) = 0; - virtual QPointF offset() const = 0; - - void move(const QPointF &delta); - void scrollTo(const QPointF &delta); - - void handleMousePressEvent(QGraphicsSceneMouseEvent *event); - void handleMouseMoveEvent(QGraphicsSceneMouseEvent *event); - void handleMouseReleaseEvent(QGraphicsSceneMouseEvent *event); - - void scrollTick(); - -private: - void startTicker(int interval); - void stopTicker(); - -private: - void calculateSpeed(const QPointF &position); - void lowerSpeed(QPointF &speed, qreal maxSpeed = 100); - -private: - ScrollTicker m_ticker; - QTime m_timeStamp; - QPointF m_speed; - QPointF m_fraction; - int m_timeTresholdMin; - int m_timeTresholdMax; - - State m_state; - QPointF m_pressPos; - QPointF m_lastPos; - qreal m_treshold; -}; - -QTCOMMERCIALCHART_END_NAMESPACE - -#endif /* SCROLLER_P_H */ |