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| |
| #ifndef QQUICKPATHVIEW_P_P_H |
| #define QQUICKPATHVIEW_P_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 <private/qtquickglobal_p.h> |
| |
| QT_REQUIRE_CONFIG(quick_pathview); |
| |
| #include "qquickpathview_p.h" |
| #include "qquickitem_p.h" |
| |
| #include <QtQml/qqml.h> |
| #include <QtCore/qdatetime.h> |
| #include <QtCore/qcoreapplication.h> |
| |
| #include <private/qquickanimation_p_p.h> |
| #include <private/qqmldelegatemodel_p.h> |
| #include <private/qquicktimeline_p_p.h> |
| #include <private/qpodvector_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQmlOpenMetaObjectType; |
| class QQuickPathViewAttached; |
| class QQuickPathViewPrivate : public QQuickItemPrivate, public QQuickItemChangeListener |
| { |
| Q_DECLARE_PUBLIC(QQuickPathView) |
| |
| public: |
| QQuickPathViewPrivate(); |
| |
| void init(); |
| |
| void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &) override { |
| if (change.sizeChange() && (!highlightItem || item != highlightItem)) { |
| if (QQuickPathViewAttached *att = attached(item)) |
| att->m_percent = -1; |
| scheduleLayout(); |
| } |
| } |
| |
| void scheduleLayout() { |
| Q_Q(QQuickPathView); |
| if (!layoutScheduled) { |
| layoutScheduled = true; |
| q->polish(); |
| } |
| } |
| |
| QQuickItem *getItem(int modelIndex, qreal z = 0, bool async=false); |
| void releaseItem(QQuickItem *item); |
| QQuickPathViewAttached *attached(QQuickItem *item); |
| QQmlOpenMetaObjectType *attachedType(); |
| void clear(); |
| void updateMappedRange(); |
| qreal positionOfIndex(qreal index) const; |
| bool isInBound(qreal position, qreal lower, qreal upper) const; |
| void createHighlight(); |
| void updateHighlight(); |
| void setHighlightPosition(qreal pos); |
| bool isValid() const { |
| return model && model->count() > 0 && model->isValid() && path; |
| } |
| |
| void handleMousePressEvent(QMouseEvent *event); |
| void handleMouseMoveEvent(QMouseEvent *event); |
| void handleMouseReleaseEvent(QMouseEvent *); |
| |
| int calcCurrentIndex(); |
| void createCurrentItem(); |
| void updateCurrent(); |
| static void fixOffsetCallback(void*); |
| void fixOffset(); |
| void setOffset(qreal offset); |
| void setAdjustedOffset(qreal offset); |
| void regenerate(); |
| void updateItem(QQuickItem *, qreal); |
| enum MovementReason { Other, SetIndex, Mouse }; |
| void snapToIndex(int index, MovementReason reason); |
| QPointF pointNear(const QPointF &point, qreal *nearPercent=0) const; |
| void addVelocitySample(qreal v); |
| qreal calcVelocity() const; |
| qint64 computeCurrentTime(QInputEvent *event) const; |
| void setDragging(bool d); |
| |
| QQuickPath *path; |
| int currentIndex; |
| QPointer<QQuickItem> currentItem; |
| qreal currentItemOffset; |
| qreal startPc; |
| QPointF startPoint; |
| QPointF startPos; |
| qreal offset; |
| qreal offsetAdj; |
| qreal mappedRange; |
| qreal mappedCache; |
| bool stealMouse : 1; |
| bool ownModel : 1; |
| bool interactive : 1; |
| bool haveHighlightRange : 1; |
| bool autoHighlight : 1; |
| bool highlightUp : 1; |
| bool layoutScheduled : 1; |
| bool moving : 1; |
| bool flicking : 1; |
| bool dragging : 1; |
| bool inRequest : 1; |
| bool delegateValidated : 1; |
| bool inRefill : 1; |
| QElapsedTimer timer; |
| qint64 lastPosTime; |
| QPointF lastPos; |
| qreal dragMargin; |
| qreal deceleration; |
| qreal maximumFlickVelocity; |
| QQuickTimeLine tl; |
| QQuickTimeLineValueProxy<QQuickPathViewPrivate> moveOffset; |
| int flickDuration; |
| int pathItems; |
| int requestedIndex; |
| int cacheSize; |
| qreal requestedZ; |
| QList<QQuickItem *> items; |
| QList<QQuickItem *> itemCache; |
| QPointer<QQmlInstanceModel> model; |
| QVariant modelVariant; |
| MovementReason moveReason; |
| QQuickPathView::MovementDirection movementDirection; // default |
| QQuickPathView::MovementDirection moveDirection; // next movement |
| QQmlOpenMetaObjectType *attType; |
| QQmlComponent *highlightComponent; |
| QQuickItem *highlightItem; |
| QQuickTimeLineValueProxy<QQuickPathViewPrivate> moveHighlight; |
| qreal highlightPosition; |
| qreal highlightRangeStart; |
| qreal highlightRangeEnd; |
| QQuickPathView::HighlightRangeMode highlightRangeMode; |
| int highlightMoveDuration; |
| int modelCount; |
| QPODVector<qreal,10> velocityBuffer; |
| QQuickPathView::SnapMode snapMode; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |