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Diffstat (limited to 'src/declarative/graphicsitems/qmlgraphicsitem.h')
| -rw-r--r-- | src/declarative/graphicsitems/qmlgraphicsitem.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicsitem.h b/src/declarative/graphicsitems/qmlgraphicsitem.h new file mode 100644 index 0000000..8ae2d5c --- /dev/null +++ b/src/declarative/graphicsitems/qmlgraphicsitem.h @@ -0,0 +1,239 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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> + +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(QmlList<QObject *> *data READ data DESIGNABLE false) + Q_PROPERTY(QmlList<QmlGraphicsItem *>* children READ fxChildren DESIGNABLE false NOTIFY childrenChanged) + Q_PROPERTY(QmlList<QObject *>* resources READ resources DESIGNABLE false) + Q_PROPERTY(QmlList<QmlState *>* states READ states DESIGNABLE false) + Q_PROPERTY(QmlList<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) // ### 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(QmlList<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) + 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); } + + QmlList<QObject *> *data(); + QmlList<QmlGraphicsItem *> *fxChildren(); + QmlList<QObject *> *resources(); + + QmlGraphicsAnchors *anchors(); + QRectF childrenRect(); + + bool clip() const; + void setClip(bool); + + QmlList<QmlState *>* states(); + QmlList<QmlTransition *>* transitions(); + + QString state() const; + void setState(const QString &); + + qreal baselineOffset() const; + void setBaselineOffset(qreal); + + QmlList<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); + +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) + +QT_END_HEADER + +#endif // QMLGRAPHICSITEM_H |