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Diffstat (limited to 'src/gui/util/qscroller_p.h')
| -rw-r--r-- | src/gui/util/qscroller_p.h | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/src/gui/util/qscroller_p.h b/src/gui/util/qscroller_p.h deleted file mode 100644 index c1196152df..0000000000 --- a/src/gui/util/qscroller_p.h +++ /dev/null @@ -1,209 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QSCROLLER_P_H -#define QSCROLLER_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt 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. -// - -#include <QObject> -#include <QPointer> -#include <QQueue> -#include <QSet> -#include <QEasingCurve> -#include <QElapsedTimer> -#include <QSizeF> -#include <QPointF> -#include <QRectF> -#include <qscroller.h> -#include <qscrollerproperties.h> -#include <private/qscrollerproperties_p.h> -#include <QAbstractAnimation> - -QT_BEGIN_NAMESPACE - -#ifndef QT_NO_GESTURES -class QFlickGestureRecognizer; -#endif - -#ifndef QT_NO_ANIMATION -class QScrollTimer; -#endif -class QScrollerPrivate : public QObject -{ - Q_OBJECT - Q_DECLARE_PUBLIC(QScroller) - -public: - QScrollerPrivate(QScroller *q, QObject *target); - void init(); - - void sendEvent(QObject *o, QEvent *e); - - void setState(QScroller::State s); - - enum ScrollType { - ScrollTypeFlick = 0, - ScrollTypeScrollTo, - ScrollTypeOvershoot - }; - - struct ScrollSegment { - qint64 startTime; - qint64 deltaTime; - qreal startPos; - qreal deltaPos; - QEasingCurve curve; - qreal stopProgress; // whatever is.. - qreal stopPos; // ..reached first - ScrollType type; - }; - - bool pressWhileInactive(const QPointF &position, qint64 timestamp); - bool moveWhilePressed(const QPointF &position, qint64 timestamp); - bool releaseWhilePressed(const QPointF &position, qint64 timestamp); - bool moveWhileDragging(const QPointF &position, qint64 timestamp); - bool releaseWhileDragging(const QPointF &position, qint64 timestamp); - bool pressWhileScrolling(const QPointF &position, qint64 timestamp); - - void timerTick(); - void timerEventWhileDragging(); - void timerEventWhileScrolling(); - - bool prepareScrolling(const QPointF &position); - void handleDrag(const QPointF &position, qint64 timestamp); - - QPointF realDpi(int screen); - QPointF dpi() const; - void setDpi(const QPointF &dpi); - void setDpiFromWidget(QWidget *widget); - - void updateVelocity(const QPointF &deltaPixelRaw, qint64 deltaTime); - void pushSegment(ScrollType type, qreal deltaTime, qreal stopProgress, qreal startPos, qreal deltaPos, qreal stopPos, QEasingCurve::Type curve, Qt::Orientation orientation); - void recalcScrollingSegments(bool forceRecalc = false); - qreal scrollingSegmentsEndPos(Qt::Orientation orientation) const; - bool scrollingSegmentsValid(Qt::Orientation orientation); - void createScrollToSegments(qreal v, qreal deltaTime, qreal endPos, Qt::Orientation orientation, ScrollType type); - void createScrollingSegments(qreal v, qreal startPos, qreal ppm, Qt::Orientation orientation); - - void setContentPositionHelperDragging(const QPointF &deltaPos); - void setContentPositionHelperScrolling(); - - qreal nextSnapPos(qreal p, int dir, Qt::Orientation orientation); - static qreal nextSegmentPosition(QQueue<ScrollSegment> &segments, qint64 now, qreal oldPos); - - inline int frameRateSkip() const { return properties.d.data()->frameRate; } - - static const char *stateName(QScroller::State state); - static const char *inputName(QScroller::Input input); - -public slots: - void targetDestroyed(); - -public: - // non static - QObject *target; - QScrollerProperties properties; -#ifndef QT_NO_GESTURES - QFlickGestureRecognizer *recognizer; - Qt::GestureType recognizerType; -#endif - - // scroller state: - - // QPointer<QObject> scrollTarget; - QSizeF viewportSize; - QRectF contentPosRange; - QPointF contentPosition; - QPointF overshootPosition; // the number of pixels we are overshooting (before overshootDragResistanceFactor) - - // state - - bool enabled; - QScroller::State state; - bool firstScroll; // true if we haven't already send a scroll event - - QPointF oldVelocity; // the release velocity of the last drag - - QPointF pressPosition; - QPointF lastPosition; - qint64 pressTimestamp; - qint64 lastTimestamp; - - QPointF dragDistance; // the distance we should move during the next drag timer event - - QQueue<ScrollSegment> xSegments; - QQueue<ScrollSegment> ySegments; - - // snap positions - QList<qreal> snapPositionsX; - qreal snapFirstX; - qreal snapIntervalX; - QList<qreal> snapPositionsY; - qreal snapFirstY; - qreal snapIntervalY; - - QPointF pixelPerMeter; - - QElapsedTimer monotonicTimer; - - QPointF releaseVelocity; // the starting velocity of the scrolling state -#ifndef QT_NO_ANIMATION - QScrollTimer *scrollTimer; -#endif - - QScroller *q_ptr; -}; - - -QT_END_NAMESPACE - -#endif // QSCROLLER_P_H - |