diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeflickable_p_p.h')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativeflickable_p_p.h | 79 |
1 files changed, 46 insertions, 33 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable_p_p.h b/src/declarative/graphicsitems/qdeclarativeflickable_p_p.h index ad7a04d..c963c2b 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable_p_p.h +++ b/src/declarative/graphicsitems/qdeclarativeflickable_p_p.h @@ -56,6 +56,7 @@ #include "qdeclarativeflickable_p.h" #include "qdeclarativeitem_p.h" +#include "qdeclarativeitemchangelistener_p.h" #include <qdeclarative.h> #include <qdeclarativetimeline_p_p.h> @@ -66,17 +67,51 @@ QT_BEGIN_NAMESPACE class QDeclarativeFlickableVisibleArea; -class QDeclarativeFlickablePrivate : public QDeclarativeItemPrivate +class QDeclarativeFlickablePrivate : public QDeclarativeItemPrivate, public QDeclarativeItemChangeListener { Q_DECLARE_PUBLIC(QDeclarativeFlickable) public: QDeclarativeFlickablePrivate(); void init(); - virtual void flickX(qreal velocity); - virtual void flickY(qreal velocity); - virtual void fixupX(); - virtual void fixupY(); + + struct Velocity : public QDeclarativeTimeLineValue + { + Velocity(QDeclarativeFlickablePrivate *p) + : parent(p) {} + virtual void setValue(qreal v) { + if (v != value()) { + QDeclarativeTimeLineValue::setValue(v); + parent->updateVelocity(); + } + } + QDeclarativeFlickablePrivate *parent; + }; + + struct AxisData { + AxisData(QDeclarativeFlickablePrivate *fp, void (QDeclarativeFlickablePrivate::*func)(qreal)) + : move(fp, func), viewSize(-1), smoothVelocity(fp), atEnd(false), atBeginning(true) + {} + + QDeclarativeTimeLineValueProxy<QDeclarativeFlickablePrivate> move; + qreal viewSize; + qreal pressPos; + qreal velocity; + qreal flickTarget; + QDeclarativeFlickablePrivate::Velocity smoothVelocity; + bool atEnd : 1; + bool atBeginning : 1; + }; + + void flickX(qreal velocity); + void flickY(qreal velocity); + virtual void flick(AxisData &data, qreal minExtent, qreal maxExtent, qreal vSize, + QDeclarativeTimeLineCallback::Callback fixupCallback, qreal velocity); + + void fixupX(); + void fixupY(); + virtual void fixup(AxisData &data, qreal minExtent, qreal maxExtent); + void updateBeginningEnd(); void captureDelayedPress(QGraphicsSceneMouseEvent *event); @@ -87,38 +122,30 @@ public: qreal overShootDistance(qreal velocity, qreal size); + void itemGeometryChanged(QDeclarativeItem *, const QRectF &, const QRectF &); + public: QDeclarativeItem *viewport; - QDeclarativeTimeLineValueProxy<QDeclarativeFlickablePrivate> _moveX; - QDeclarativeTimeLineValueProxy<QDeclarativeFlickablePrivate> _moveY; + + AxisData hData; + AxisData vData; + QDeclarativeTimeLine timeline; - qreal vWidth; - qreal vHeight; bool overShoot : 1; bool flicked : 1; bool moving : 1; bool stealMouse : 1; bool pressed : 1; - bool atXEnd : 1; - bool atXBeginning : 1; - bool atYEnd : 1; - bool atYBeginning : 1; bool interactive : 1; QTime lastPosTime; QPointF lastPos; QPointF pressPos; - qreal pressX; - qreal pressY; - qreal velocityX; - qreal velocityY; QTime pressTime; qreal deceleration; qreal maxVelocity; QTime velocityTime; QPointF lastFlickablePosition; qreal reportedVelocitySmoothing; - qreal flickTargetX; - qreal flickTargetY; QGraphicsSceneMouseEvent *delayedPressEvent; QGraphicsItem *delayedPressTarget; QBasicTimer delayedPressTimer; @@ -129,20 +156,6 @@ public: static void fixupX_callback(void *); void updateVelocity(); - struct Velocity : public QDeclarativeTimeLineValue - { - Velocity(QDeclarativeFlickablePrivate *p) - : parent(p) {} - virtual void setValue(qreal v) { - if (v != value()) { - QDeclarativeTimeLineValue::setValue(v); - parent->updateVelocity(); - } - } - QDeclarativeFlickablePrivate *parent; - }; - Velocity horizontalVelocity; - Velocity verticalVelocity; int vTime; QDeclarativeTimeLine velocityTimeline; QDeclarativeFlickableVisibleArea *visibleArea; |