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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
**
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** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
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****************************************************************************/
#ifndef QQUICKITEM_H
#define QQUICKITEM_H
#include <QtQuick/qtquickglobal.h>
#include <QtQml/qqml.h>
#include <QtQml/qqmlcomponent.h>
#include <QtCore/QObject>
#include <QtCore/QList>
#include <QtGui/qevent.h>
#include <QtGui/qfont.h>
#include <QtGui/qaccessible.h>
QT_BEGIN_NAMESPACE
class QQuickItem;
class QQuickTransformPrivate;
class QQuickTransform : public QObject
{
Q_OBJECT
public:
QQuickTransform(QObject *parent = 0);
~QQuickTransform();
void appendToItem(QQuickItem *);
void prependToItem(QQuickItem *);
virtual void applyTo(QMatrix4x4 *matrix) const = 0;
protected Q_SLOTS:
void update();
protected:
QQuickTransform(QQuickTransformPrivate &dd, QObject *parent);
private:
Q_DECLARE_PRIVATE(QQuickTransform)
};
class QCursor;
class QQuickItemLayer;
class QQmlV4Function;
class QQuickState;
class QQuickAnchorLine;
class QQuickTransition;
class QQuickKeyEvent;
class QQuickAnchors;
class QQuickItemPrivate;
class QQuickWindow;
class QTouchEvent;
class QSGNode;
class QSGTransformNode;
class QSGTextureProvider;
class Q_QUICK_EXPORT QQuickItem : public QObject, public QQmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QQmlParserStatus)
Q_PROPERTY(QQuickItem *parent READ parentItem WRITE setParentItem NOTIFY parentChanged DESIGNABLE false FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQmlListProperty<QObject> data READ data DESIGNABLE false)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQmlListProperty<QObject> resources READ resources DESIGNABLE false)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQmlListProperty<QQuickItem> children READ children NOTIFY childrenChanged DESIGNABLE false)
Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged FINAL)
Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged FINAL)
Q_PROPERTY(qreal z READ z WRITE setZ NOTIFY zChanged FINAL)
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(qreal opacity READ opacity WRITE setOpacity NOTIFY opacityChanged FINAL)
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQmlListProperty<QQuickItem> visibleChildren READ visibleChildren NOTIFY visibleChildrenChanged DESIGNABLE false)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQmlListProperty<QQuickState> states READ states DESIGNABLE false)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQmlListProperty<QQuickTransition> transitions READ transitions DESIGNABLE false)
Q_PROPERTY(QString state READ state WRITE setState NOTIFY stateChanged)
Q_PROPERTY(QRectF childrenRect READ childrenRect NOTIFY childrenRectChanged DESIGNABLE false FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchors * anchors READ anchors DESIGNABLE false CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine left READ left CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine right READ right CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine horizontalCenter READ horizontalCenter CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine top READ top CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine bottom READ bottom CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine verticalCenter READ verticalCenter CONSTANT FINAL)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickAnchorLine 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)
Q_PROPERTY(bool focus READ hasFocus WRITE setFocus NOTIFY focusChanged FINAL)
Q_PROPERTY(bool activeFocus READ hasActiveFocus NOTIFY activeFocusChanged FINAL)
Q_PROPERTY(bool activeFocusOnTab READ activeFocusOnTab WRITE setActiveFocusOnTab NOTIFY activeFocusOnTabChanged FINAL REVISION 1)
Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged)
Q_PROPERTY(qreal scale READ scale WRITE setScale NOTIFY scaleChanged)
Q_PROPERTY(TransformOrigin transformOrigin READ transformOrigin WRITE setTransformOrigin NOTIFY transformOriginChanged)
Q_PROPERTY(QPointF transformOriginPoint READ transformOriginPoint) // deprecated - see QTBUG-26423
Q_PROPERTY(QQmlListProperty<QQuickTransform> transform READ transform DESIGNABLE false FINAL)
Q_PROPERTY(bool smooth READ smooth WRITE setSmooth NOTIFY smoothChanged)
Q_PROPERTY(bool antialiasing READ antialiasing WRITE setAntialiasing NOTIFY antialiasingChanged)
Q_PROPERTY(qreal implicitWidth READ implicitWidth WRITE setImplicitWidth NOTIFY implicitWidthChanged)
Q_PROPERTY(qreal implicitHeight READ implicitHeight WRITE setImplicitHeight NOTIFY implicitHeightChanged)
Q_PRIVATE_PROPERTY(QQuickItem::d_func(), QQuickItemLayer *layer READ layer DESIGNABLE false CONSTANT FINAL)
Q_ENUMS(TransformOrigin)
Q_CLASSINFO("DefaultProperty", "data")
Q_CLASSINFO("qt_HasQmlAccessors", "true")
public:
enum Flag {
ItemClipsChildrenToShape = 0x01,
#ifndef QT_NO_IM
ItemAcceptsInputMethod = 0x02,
#endif
ItemIsFocusScope = 0x04,
ItemHasContents = 0x08,
ItemAcceptsDrops = 0x10
// Remember to increment the size of QQuickItemPrivate::flags
};
Q_DECLARE_FLAGS(Flags, Flag)
enum ItemChange {
ItemChildAddedChange, // value.item
ItemChildRemovedChange, // value.item
ItemSceneChange, // value.window
ItemVisibleHasChanged, // value.boolValue
ItemParentHasChanged, // value.item
ItemOpacityHasChanged, // value.realValue
ItemActiveFocusHasChanged, // value.boolValue
ItemRotationHasChanged // value.realValue
};
union ItemChangeData {
ItemChangeData(QQuickItem *v) : item(v) {}
ItemChangeData(QQuickWindow *v) : window(v) {}
ItemChangeData(qreal v) : realValue(v) {}
ItemChangeData(bool v) : boolValue(v) {}
QQuickItem *item;
QQuickWindow *window;
qreal realValue;
bool boolValue;
};
enum TransformOrigin {
TopLeft, Top, TopRight,
Left, Center, Right,
BottomLeft, Bottom, BottomRight
};
QQuickItem(QQuickItem *parent = 0);
virtual ~QQuickItem();
QQuickWindow *window() const;
QQuickItem *parentItem() const;
void setParentItem(QQuickItem *parent);
void stackBefore(const QQuickItem *);
void stackAfter(const QQuickItem *);
QRectF childrenRect();
QList<QQuickItem *> childItems() const;
bool clip() const;
void setClip(bool);
QString state() const;
void setState(const QString &);
qreal baselineOffset() const;
void setBaselineOffset(qreal);
QQmlListProperty<QQuickTransform> transform();
qreal x() const;
qreal y() const;
QPointF position() const;
void setX(qreal);
void setY(qreal);
void setPosition(const QPointF &);
qreal width() const;
void setWidth(qreal);
void resetWidth();
void setImplicitWidth(qreal);
qreal implicitWidth() const;
qreal height() const;
void setHeight(qreal);
void resetHeight();
void setImplicitHeight(qreal);
qreal implicitHeight() const;
void setSize(const QSizeF &size);
TransformOrigin transformOrigin() const;
void setTransformOrigin(TransformOrigin);
QPointF transformOriginPoint() const;
void setTransformOriginPoint(const QPointF &);
qreal z() const;
void setZ(qreal);
qreal rotation() const;
void setRotation(qreal);
qreal scale() const;
void setScale(qreal);
qreal opacity() const;
void setOpacity(qreal);
bool isVisible() const;
void setVisible(bool);
bool isEnabled() const;
void setEnabled(bool);
bool smooth() const;
void setSmooth(bool);
bool activeFocusOnTab() const;
void setActiveFocusOnTab(bool);
bool antialiasing() const;
void setAntialiasing(bool);
Flags flags() const;
void setFlag(Flag flag, bool enabled = true);
void setFlags(Flags flags);
virtual QRectF boundingRect() const;
virtual QRectF clipRect() const;
bool hasActiveFocus() const;
bool hasFocus() const;
void setFocus(bool);
void setFocus(bool focus, Qt::FocusReason reason);
bool isFocusScope() const;
QQuickItem *scopedFocusItem() const;
Qt::MouseButtons acceptedMouseButtons() const;
void setAcceptedMouseButtons(Qt::MouseButtons buttons);
bool acceptHoverEvents() const;
void setAcceptHoverEvents(bool enabled);
#ifndef QT_NO_CURSOR
QCursor cursor() const;
void setCursor(const QCursor &cursor);
void unsetCursor();
#endif
bool isUnderMouse() const;
void grabMouse();
void ungrabMouse();
bool keepMouseGrab() const;
void setKeepMouseGrab(bool);
bool filtersChildMouseEvents() const;
void setFiltersChildMouseEvents(bool filter);
void grabTouchPoints(const QVector<int> &ids);
void ungrabTouchPoints();
bool keepTouchGrab() const;
void setKeepTouchGrab(bool);
Q_INVOKABLE virtual bool contains(const QPointF &point) const;
QTransform itemTransform(QQuickItem *, bool *) const;
QPointF mapToItem(const QQuickItem *item, const QPointF &point) const;
QPointF mapToScene(const QPointF &point) const;
QRectF mapRectToItem(const QQuickItem *item, const QRectF &rect) const;
QRectF mapRectToScene(const QRectF &rect) const;
QPointF mapFromItem(const QQuickItem *item, const QPointF &point) const;
QPointF mapFromScene(const QPointF &point) const;
QRectF mapRectFromItem(const QQuickItem *item, const QRectF &rect) const;
QRectF mapRectFromScene(const QRectF &rect) const;
void polish();
Q_INVOKABLE void mapFromItem(QQmlV4Function*) const;
Q_INVOKABLE void mapToItem(QQmlV4Function*) const;
Q_INVOKABLE void forceActiveFocus();
Q_INVOKABLE void forceActiveFocus(Qt::FocusReason reason);
Q_REVISION(1) Q_INVOKABLE QQuickItem *nextItemInFocusChain(bool forward = true);
Q_INVOKABLE QQuickItem *childAt(qreal x, qreal y) const;
#ifndef QT_NO_IM
virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
#endif
struct UpdatePaintNodeData {
QSGTransformNode *transformNode;
private:
friend class QQuickWindowPrivate;
UpdatePaintNodeData();
};
virtual bool isTextureProvider() const;
virtual QSGTextureProvider *textureProvider() const;
public Q_SLOTS:
void update();
Q_SIGNALS:
void childrenRectChanged(const QRectF &);
void baselineOffsetChanged(qreal);
void stateChanged(const QString &);
void focusChanged(bool);
void activeFocusChanged(bool);
Q_REVISION(1) void activeFocusOnTabChanged(bool);
void parentChanged(QQuickItem *);
void transformOriginChanged(TransformOrigin);
void smoothChanged(bool);
void antialiasingChanged(bool);
void clipChanged(bool);
Q_REVISION(1) void windowChanged(QQuickWindow* window);
// XXX todo
void childrenChanged();
void opacityChanged();
void enabledChanged();
void visibleChanged();
void visibleChildrenChanged();
void rotationChanged();
void scaleChanged();
void xChanged();
void yChanged();
void widthChanged();
void heightChanged();
void zChanged();
void implicitWidthChanged();
void implicitHeightChanged();
protected:
virtual bool event(QEvent *);
bool isComponentComplete() const;
virtual void itemChange(ItemChange, const ItemChangeData &);
#ifndef QT_NO_IM
void updateInputMethod(Qt::InputMethodQueries queries = Qt::ImQueryInput);
#endif
bool widthValid() const; // ### better name?
bool heightValid() const; // ### better name?
void setImplicitSize(qreal, qreal);
virtual void classBegin();
virtual void componentComplete();
virtual void keyPressEvent(QKeyEvent *event);
virtual void keyReleaseEvent(QKeyEvent *event);
#ifndef QT_NO_IM
virtual void inputMethodEvent(QInputMethodEvent *);
#endif
virtual void focusInEvent(QFocusEvent *);
virtual void focusOutEvent(QFocusEvent *);
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
virtual void mouseDoubleClickEvent(QMouseEvent *event);
virtual void mouseUngrabEvent(); // XXX todo - params?
virtual void touchUngrabEvent();
#ifndef QT_NO_WHEELEVENT
virtual void wheelEvent(QWheelEvent *event);
#endif
virtual void touchEvent(QTouchEvent *event);
virtual void hoverEnterEvent(QHoverEvent *event);
virtual void hoverMoveEvent(QHoverEvent *event);
virtual void hoverLeaveEvent(QHoverEvent *event);
#ifndef QT_NO_DRAGANDDROP
virtual void dragEnterEvent(QDragEnterEvent *);
virtual void dragMoveEvent(QDragMoveEvent *);
virtual void dragLeaveEvent(QDragLeaveEvent *);
virtual void dropEvent(QDropEvent *);
#endif
virtual bool childMouseEventFilter(QQuickItem *, QEvent *);
virtual void windowDeactivateEvent();
virtual void geometryChanged(const QRectF &newGeometry,
const QRectF &oldGeometry);
virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
virtual void releaseResources();
virtual void updatePolish();
protected:
QQuickItem(QQuickItemPrivate &dd, QQuickItem *parent = 0);
private:
Q_PRIVATE_SLOT(d_func(), void _q_resourceObjectDeleted(QObject *))
friend class QQuickWindow;
friend class QQuickWindowPrivate;
friend class QSGRenderer;
friend class QAccessibleQuickItem;
friend class QQuickAccessibleAttached;
Q_DISABLE_COPY(QQuickItem)
Q_DECLARE_PRIVATE(QQuickItem)
};
// XXX todo
Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickItem::Flags)
#ifndef QT_NO_DEBUG_STREAM
QDebug Q_QUICK_EXPORT operator<<(QDebug debug, QQuickItem *item);
#endif
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuickItem)
QML_DECLARE_TYPE(QQuickTransform)
#endif // QQUICKITEM_H
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