diff options
Diffstat (limited to 'src/declarative/fx/qmlgraphicspathview_p.h')
| -rw-r--r-- | src/declarative/fx/qmlgraphicspathview_p.h | 183 |
1 files changed, 85 insertions, 98 deletions
diff --git a/src/declarative/fx/qmlgraphicspathview_p.h b/src/declarative/fx/qmlgraphicspathview_p.h index 22ee075..e2edcc9 100644 --- a/src/declarative/fx/qmlgraphicspathview_p.h +++ b/src/declarative/fx/qmlgraphicspathview_p.h @@ -39,113 +39,100 @@ ** ****************************************************************************/ -#ifndef QMLGRAPHICSPATHVIEW_P_H -#define QMLGRAPHICSPATHVIEW_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 "qdatetime.h" -#include "qmlgraphicspathview.h" -#include "qmlgraphicsitem_p.h" -#include "qmlgraphicsvisualitemmodel.h" -#include "qml.h" -#include "private/qmlanimation_p.h" +#ifndef QMLGRAPHICSPATHVIEW_H +#define QMLGRAPHICSPATHVIEW_H + +#include <QtDeclarative/qmlgraphicsitem.h> +#include <private/qmlgraphicspath_p.h> + +QT_BEGIN_HEADER QT_BEGIN_NAMESPACE -typedef struct PathViewItem{ - int index; - QmlGraphicsItem* item; -}PathViewItem; +QT_MODULE(Declarative) -class QmlGraphicsPathViewPrivate : public QmlGraphicsItemPrivate +class QListModelInterface; +class QmlGraphicsPathViewPrivate; +class Q_DECLARATIVE_EXPORT QmlGraphicsPathView : public QmlGraphicsItem { - Q_DECLARE_PUBLIC(QmlGraphicsPathView) + Q_OBJECT + + Q_PROPERTY(QVariant model READ model WRITE setModel) + Q_PROPERTY(QmlGraphicsPath *path READ path WRITE setPath) + Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged) + Q_PROPERTY(qreal offset READ offset WRITE setOffset NOTIFY offsetChanged) + Q_PROPERTY(qreal snapPosition READ snapPosition WRITE setSnapPosition) + Q_PROPERTY(qreal dragMargin READ dragMargin WRITE setDragMargin) + Q_PROPERTY(int count READ count) + Q_PROPERTY(QmlComponent *delegate READ delegate WRITE setDelegate) + Q_PROPERTY(int pathItemCount READ pathItemCount WRITE setPathItemCount) public: - QmlGraphicsPathViewPrivate() - : path(0), currentIndex(0), startPc(0), lastDist(0) - , lastElapsed(0), stealMouse(false), ownModel(false), activeItem(0) - , snapPos(0), dragMargin(0), moveOffset(this, &QmlGraphicsPathViewPrivate::setOffset) - , firstIndex(0), pathItems(-1), pathOffset(0), requestedIndex(-1), model(0) - , moveReason(Other) - { - fixupOffsetEvent = QmlTimeLineEvent::timeLineEvent<QmlGraphicsPathViewPrivate, &QmlGraphicsPathViewPrivate::fixOffset>(&moveOffset, this); - } - - void init() - { - Q_Q(QmlGraphicsPathView); - _offset = 0; - q->setAcceptedMouseButtons(Qt::LeftButton); - q->setFlag(QGraphicsItem::ItemIsFocusScope); - q->setFiltersChildEvents(true); - q->connect(&tl, SIGNAL(updated()), q, SLOT(ticked())); - } - - QmlGraphicsItem *getItem(int modelIndex) { - Q_Q(QmlGraphicsPathView); - requestedIndex = modelIndex; - QmlGraphicsItem *item = model->item(modelIndex); - if (item) - item->setParentItem(q); - requestedIndex = -1; - return item; - } - void releaseItem(QmlGraphicsItem *item) { - model->release(item); - } - - bool isValid() const { - return model && model->count() > 0 && model->isValid() && path; - } - - int calcCurrentIndex(); - void updateCurrent(); - void fixOffset(); + QmlGraphicsPathView(QmlGraphicsItem *parent=0); + virtual ~QmlGraphicsPathView(); + + QVariant model() const; + void setModel(const QVariant &); + + QmlGraphicsPath *path() const; + void setPath(QmlGraphicsPath *); + + int currentIndex() const; + void setCurrentIndex(int idx); + + qreal offset() const; void setOffset(qreal offset); - void regenerate(); - void updateItem(QmlGraphicsItem *, qreal); - void snapToCurrent(); - QPointF pointNear(const QPointF &point, qreal *nearPercent=0) const; - - QmlGraphicsPath *path; - int currentIndex; - qreal startPc; - QPointF startPoint; - qreal lastDist; - int lastElapsed; - qreal _offset; - bool stealMouse : 1; - bool ownModel : 1; - QTime lastPosTime; - QPointF lastPos; - QmlGraphicsItem *activeItem; - qreal snapPos; - qreal dragMargin; - QmlTimeLine tl; - QmlTimeLineValueProxy<QmlGraphicsPathViewPrivate> moveOffset; - QmlTimeLineEvent fixupOffsetEvent; - int firstIndex; - int pathItems; - int pathOffset; - int requestedIndex; - QList<QmlGraphicsItem *> items; - QmlGraphicsVisualModel *model; - QVariant modelVariant; - enum MovementReason { Other, Key, Mouse }; - MovementReason moveReason; + + qreal snapPosition() const; + void setSnapPosition(qreal pos); + + qreal dragMargin() const; + void setDragMargin(qreal margin); + + int count() const; + + QmlComponent *delegate() const; + void setDelegate(QmlComponent *); + + int pathItemCount() const; + void setPathItemCount(int); + + static QObject *qmlAttachedProperties(QObject *); + +Q_SIGNALS: + void currentIndexChanged(); + void offsetChanged(); + +protected: + void mousePressEvent(QGraphicsSceneMouseEvent *event); + void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + void mouseReleaseEvent(QGraphicsSceneMouseEvent *); + bool sendMouseEvent(QGraphicsSceneMouseEvent *event); + bool sceneEventFilter(QGraphicsItem *, QEvent *); + void componentComplete(); + +private Q_SLOTS: + void refill(); + void ticked(); + void itemsInserted(int index, int count); + void itemsRemoved(int index, int count); + void createdItem(int index, QmlGraphicsItem *item); + void destroyingItem(QmlGraphicsItem *item); + +protected: + QmlGraphicsPathView(QmlGraphicsPathViewPrivate &dd, QmlGraphicsItem *parent); + +private: + friend class QmlGraphicsPathViewAttached; + static QHash<QObject*, QObject*> attachedProperties; + Q_DISABLE_COPY(QmlGraphicsPathView) + Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QmlGraphicsPathView) }; QT_END_NAMESPACE -#endif +QML_DECLARE_TYPE(QmlGraphicsPathView) +QML_DECLARE_TYPEINFO(QmlGraphicsPathView, QML_HAS_ATTACHED_PROPERTIES) +QT_END_HEADER + +#endif // QMLGRAPHICSPATHVIEW_H |