author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 09:37:05 +0300 | |
changeset 10 | 232fbd5a2dcb |
permissions | -rw-r--r-- |
10
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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* |
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* Description: |
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* |
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*/ |
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|
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#ifndef KineticScroller_h |
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#define KineticScroller_h |
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#include "KineticScrollable.h" |
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#include <QObject> |
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namespace GVA { |
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class KineticScroller : public QObject { |
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Q_OBJECT |
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public : |
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enum OvershootPolicy { |
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OvershootWhenScrollable, |
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OvershootAlwaysOff, |
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OvershootAlwaysOn, |
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}; |
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enum Mode { |
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AutoMode, |
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PushMode |
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}; |
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enum { |
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MotionEventsPerSecond = 25 |
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}; |
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KineticScroller(KineticScrollable* scrollableView); |
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~KineticScroller(); |
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OvershootPolicy overshootPolicy() const; |
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void setOvershootPolicy(OvershootPolicy policy); |
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qreal decelerationFactor() const; |
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void setDecelerationFactor(qreal f); |
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int scrollsPerSecond() const; |
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void setScrollsPerSecond(int sps); |
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void reset(); |
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void doPan(QPoint delta); |
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void doFlick(QPointF velocity); |
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void stop(); |
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protected: |
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void changeState(KineticScrollable::State newState); |
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void setScrollPositionHelper(const QPoint& point); |
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void handleScrollTimer(); |
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void handleIdleTimer(); |
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void timerEvent(QTimerEvent* ev); |
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private: |
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KineticScrollable* m_scrollableView; |
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Mode m_mode; |
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KineticScrollable::State m_state; |
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QPoint m_motion; |
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bool m_move; |
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// overshoot |
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OvershootPolicy m_overshootPolicy; |
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int m_bounceSteps; |
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QPoint m_maxOvershoot; |
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int m_vmaxOvershoot; |
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QPoint m_overshootDist; |
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int m_overshooting; // the overshooting time in idleTimer steps |
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// velocity |
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QPointF m_velocity; |
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qreal m_minVelocity; |
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qreal m_maxVelocity; |
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qreal m_deceleration; |
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int m_scrollsPerSecond; |
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// timer |
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int m_idleTimerId; |
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int m_scrollTimerId; |
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int m_inactivityTimerId; |
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};//KineticScroller |
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}//namespace GVA |
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Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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232fbd5a2dcb
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
#endif //KineticScroller_h |