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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the Qt Quick Controls module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QQUICKSCENEPOSLISTENER_P_H |
| #define QQUICKSCENEPOSLISTENER_P_H |
| |
| #include <QtCore/qobject.h> |
| #include <QtCore/qpoint.h> |
| #include <QtCore/qset.h> |
| #include <QtQuick/private/qquickitemchangelistener_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickItem; |
| |
| class QQuickScenePosListener1 : public QObject, public QQuickItemChangeListener |
| { |
| Q_OBJECT |
| Q_PROPERTY(QQuickItem *item READ item WRITE setItem FINAL) |
| Q_PROPERTY(QPointF scenePos READ scenePos NOTIFY scenePosChanged FINAL) |
| Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged FINAL) |
| |
| public: |
| explicit QQuickScenePosListener1(QObject *parent = 0); |
| ~QQuickScenePosListener1(); |
| |
| QQuickItem *item() const; |
| void setItem(QQuickItem *item); |
| |
| QPointF scenePos() const; |
| |
| bool isEnabled() const; |
| void setEnabled(bool enabled); |
| |
| Q_SIGNALS: |
| void scenePosChanged(); |
| void enabledChanged(); |
| |
| protected: |
| void itemGeometryChanged(QQuickItem *, QQuickGeometryChange, const QRectF &) override; |
| void itemParentChanged(QQuickItem *, QQuickItem *parent) override; |
| void itemChildRemoved(QQuickItem *, QQuickItem *child) override; |
| void itemDestroyed(QQuickItem *item) override; |
| |
| private: |
| void updateScenePos(); |
| |
| void removeAncestorListeners(QQuickItem *item); |
| void addAncestorListeners(QQuickItem *item); |
| |
| bool isAncestor(QQuickItem *item) const; |
| |
| bool m_enabled; |
| QPointF m_scenePos; |
| QQuickItem *m_item; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QQUICKSCENEPOSLISTENER_P_H |