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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtDeclarative 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 QMLGRAPHICSITEM_H
-#define QMLGRAPHICSITEM_H
-
-#include <qml.h>
-#include <qmlcomponent.h>
-
-#include <QtCore/QObject>
-#include <QtCore/QList>
-#include <QtGui/qgraphicsitem.h>
-#include <QtGui/qgraphicstransform.h>
-#include <QtGui/qfont.h>
-#include <QtGui/qaction.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-class QmlState;
-class QmlGraphicsAnchorLine;
-class QmlTransition;
-class QmlGraphicsKeyEvent;
-class QmlGraphicsAnchors;
-class QmlGraphicsItemPrivate;
-class Q_DECLARATIVE_EXPORT QmlGraphicsItem : public QGraphicsObject, public QmlParserStatus
-{
- Q_OBJECT
- Q_INTERFACES(QmlParserStatus)
-
- Q_PROPERTY(QmlGraphicsItem * parent READ parentItem WRITE setParentItem NOTIFY parentChanged DESIGNABLE false FINAL)
- Q_PROPERTY(QmlListProperty<QObject> data READ data DESIGNABLE false)
- Q_PROPERTY(QmlListProperty<QmlGraphicsItem> children READ fxChildren DESIGNABLE false NOTIFY childrenChanged)
- Q_PROPERTY(QmlListProperty<QObject> resources READ resources DESIGNABLE false)
- Q_PROPERTY(QmlListProperty<QmlState> states READ states DESIGNABLE false)
- Q_PROPERTY(QmlListProperty<QmlTransition> transitions READ transitions DESIGNABLE false)
- Q_PROPERTY(QString state READ state WRITE setState NOTIFY stateChanged)
- Q_PROPERTY(qreal width READ width WRITE setWidth NOTIFY widthChanged RESET resetWidth FINAL)
- Q_PROPERTY(qreal height READ height WRITE setHeight NOTIFY heightChanged RESET resetHeight FINAL)
- Q_PROPERTY(QRectF childrenRect READ childrenRect NOTIFY childrenRectChanged DESIGNABLE false FINAL)
- Q_PROPERTY(QmlGraphicsAnchors * anchors READ anchors DESIGNABLE false CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine left READ left CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine right READ right CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine horizontalCenter READ horizontalCenter CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine top READ top CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine bottom READ bottom CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine verticalCenter READ verticalCenter CONSTANT FINAL)
- Q_PROPERTY(QmlGraphicsAnchorLine baseline READ baseline CONSTANT FINAL)
- Q_PROPERTY(qreal baselineOffset READ baselineOffset WRITE setBaselineOffset NOTIFY baselineOffsetChanged)
- Q_PROPERTY(bool clip READ clip WRITE setClip NOTIFY clipChanged) // ### move to QGI/QGO, NOTIFY
- Q_PROPERTY(bool focus READ hasFocus WRITE setFocus NOTIFY focusChanged FINAL)
- Q_PROPERTY(bool wantsFocus READ wantsFocus NOTIFY wantsFocusChanged)
- Q_PROPERTY(QmlListProperty<QGraphicsTransform> transform READ transform DESIGNABLE false FINAL)
- Q_PROPERTY(TransformOrigin transformOrigin READ transformOrigin WRITE setTransformOrigin NOTIFY transformOriginChanged)
- Q_PROPERTY(bool smooth READ smooth WRITE setSmooth NOTIFY smoothChanged)
- Q_PROPERTY(QGraphicsEffect *effect READ graphicsEffect WRITE setGraphicsEffect)
- Q_ENUMS(TransformOrigin)
- Q_CLASSINFO("DefaultProperty", "data")
-
-public:
- enum TransformOrigin {
- TopLeft, Top, TopRight,
- Left, Center, Right,
- BottomLeft, Bottom, BottomRight
- };
-
- QmlGraphicsItem(QmlGraphicsItem *parent = 0);
- virtual ~QmlGraphicsItem();
-
- QmlGraphicsItem *parentItem() const;
- void setParentItem(QmlGraphicsItem *parent);
- void setParent(QmlGraphicsItem *parent) { setParentItem(parent); }
-
- QmlListProperty<QObject> data();
- QmlListProperty<QmlGraphicsItem> fxChildren();
- QmlListProperty<QObject> resources();
-
- QmlGraphicsAnchors *anchors();
- QRectF childrenRect();
-
- bool clip() const;
- void setClip(bool);
-
- QmlListProperty<QmlState> states();
- QmlListProperty<QmlTransition> transitions();
-
- QString state() const;
- void setState(const QString &);
-
- qreal baselineOffset() const;
- void setBaselineOffset(qreal);
-
- QmlListProperty<QGraphicsTransform> transform();
-
- qreal width() const;
- void setWidth(qreal);
- void resetWidth();
- qreal implicitWidth() const;
-
- qreal height() const;
- void setHeight(qreal);
- void resetHeight();
- qreal implicitHeight() const;
-
- TransformOrigin transformOrigin() const;
- void setTransformOrigin(TransformOrigin);
-
- bool smooth() const;
- void setSmooth(bool);
-
- QRectF boundingRect() const;
- virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
-
- bool wantsFocus() const;
- bool hasFocus() const;
- void setFocus(bool);
-
- bool keepMouseGrab() const;
- void setKeepMouseGrab(bool);
-
- QmlGraphicsAnchorLine left() const;
- QmlGraphicsAnchorLine right() const;
- QmlGraphicsAnchorLine horizontalCenter() const;
- QmlGraphicsAnchorLine top() const;
- QmlGraphicsAnchorLine bottom() const;
- QmlGraphicsAnchorLine verticalCenter() const;
- QmlGraphicsAnchorLine baseline() const;
-
-Q_SIGNALS:
- void widthChanged();
- void heightChanged();
- void childrenChanged();
- void childrenRectChanged();
- void baselineOffsetChanged();
- void stateChanged(const QString &);
- void focusChanged();
- void wantsFocusChanged();
- void parentChanged();
- void transformOriginChanged(TransformOrigin);
- void smoothChanged();
- void clipChanged();
-
-protected:
- bool isComponentComplete() const;
- virtual bool sceneEvent(QEvent *);
- virtual bool event(QEvent *);
- virtual QVariant itemChange(GraphicsItemChange, const QVariant &);
-
- void setImplicitWidth(qreal);
- bool widthValid() const; // ### better name?
- void setImplicitHeight(qreal);
- bool heightValid() const; // ### better name?
-
- virtual void classBegin();
- virtual void componentComplete();
- virtual void focusChanged(bool);
- virtual void keyPressEvent(QKeyEvent *event);
- virtual void keyReleaseEvent(QKeyEvent *event);
- virtual void inputMethodEvent(QInputMethodEvent *);
- virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
- virtual void geometryChanged(const QRectF &newGeometry,
- const QRectF &oldGeometry);
-
-protected:
- QmlGraphicsItem(QmlGraphicsItemPrivate &dd, QmlGraphicsItem *parent = 0);
-
-private:
- friend class QmlStatePrivate;
- friend class QmlGraphicsAnchors;
- Q_DISABLE_COPY(QmlGraphicsItem)
- Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QmlGraphicsItem)
-};
-
-template<typename T>
- T qobject_cast(QGraphicsObject *o)
-{
- QObject *obj = o;
- return qobject_cast<T>(obj);
-}
-
-// ### move to QGO
-template<typename T>
-T qobject_cast(QGraphicsItem *item)
-{
- if (!item) return 0;
- QObject *o = item->toGraphicsObject();
- return qobject_cast<T>(o);
-}
-
-QDebug Q_DECLARATIVE_EXPORT operator<<(QDebug debug, QmlGraphicsItem *item);
-
-QT_END_NAMESPACE
-
-QML_DECLARE_TYPE(QmlGraphicsItem)
-QML_DECLARE_TYPE(QGraphicsTransform)
-QML_DECLARE_TYPE(QGraphicsScale)
-QML_DECLARE_TYPE(QGraphicsRotation)
-QML_DECLARE_TYPE(QAction)
-
-QT_END_HEADER
-
-#endif // QMLGRAPHICSITEM_H