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/****************************************************************************
**
** 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_P_H
#define QMLGRAPHICSITEM_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 <QtDeclarative/qmlgraphicsitem.h>
#include <private/qmlstate_p.h>
#include <private/qmlgraphicsanchors_p.h>
#include <private/qmlnullablevalue_p_p.h>
#include <private/qmlgraphicsanchors_p_p.h>
#include <QtDeclarative/qml.h>
#include <QtDeclarative/qmlcontext.h>
#include <QtCore/qlist.h>
#include <private/qgraphicsitem_p.h>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
class QNetworkReply;
class QmlGraphicsItemKeyFilter;
//### merge into private?
class QmlGraphicsContents : public QObject
{
Q_OBJECT
public:
QmlGraphicsContents();
QRectF rectF() const;
void setItem(QmlGraphicsItem *item);
public Q_SLOTS:
void calcHeight();
void calcWidth();
Q_SIGNALS:
void rectChanged();
private:
QmlGraphicsItem *m_item;
qreal m_x;
qreal m_y;
qreal m_width;
qreal m_height;
};
class QmlGraphicsItemPrivate : public QGraphicsItemPrivate
{
Q_DECLARE_PUBLIC(QmlGraphicsItem)
public:
QmlGraphicsItemPrivate()
: _anchors(0), _contents(0),
_baselineOffset(0),
_anchorLines(0),
_stateGroup(0), origin(QmlGraphicsItem::TopLeft),
widthValid(false), heightValid(false),
_componentComplete(true), _keepMouse(false),
smooth(false), keyHandler(0),
width(0), height(0), implicitWidth(0), implicitHeight(0)
{}
~QmlGraphicsItemPrivate()
{ delete _anchors; }
void init(QmlGraphicsItem *parent)
{
Q_Q(QmlGraphicsItem);
if (parent)
q->setParentItem(parent);
_baselineOffset.invalidate();
q->setAcceptedMouseButtons(Qt::NoButton);
q->setFlags(QGraphicsItem::ItemHasNoContents |
QGraphicsItem::ItemIsFocusable |
QGraphicsItem::ItemNegativeZStacksBehindParent);
mouseSetsFocus = false;
}
QString _id;
// data property
void data_removeAt(int);
int data_count() const;
void data_append(QObject *);
void data_insert(int, QObject *);
QObject *data_at(int) const;
void data_clear();
QML_DECLARE_LIST_PROXY(QmlGraphicsItemPrivate, QObject *, data)
// resources property
void resources_removeAt(int);
int resources_count() const;
void resources_append(QObject *);
void resources_insert(int, QObject *);
QObject *resources_at(int) const;
void resources_clear();
QML_DECLARE_LIST_PROXY(QmlGraphicsItemPrivate, QObject *, resources)
// children property
void children_removeAt(int);
int children_count() const;
void children_append(QmlGraphicsItem *);
void children_insert(int, QmlGraphicsItem *);
QmlGraphicsItem *children_at(int) const;
void children_clear();
QML_DECLARE_LIST_PROXY(QmlGraphicsItemPrivate, QmlGraphicsItem *, children)
// transform property
void transform_removeAt(int);
int transform_count() const;
void transform_append(QGraphicsTransform *);
void transform_insert(int, QGraphicsTransform *);
QGraphicsTransform *transform_at(int) const;
void transform_clear();
QML_DECLARE_LIST_PROXY(QmlGraphicsItemPrivate, QGraphicsTransform *, transform)
QmlGraphicsAnchors *anchors() {
if (!_anchors) {
Q_Q(QmlGraphicsItem);
_anchors = new QmlGraphicsAnchors;
_anchors->setItem(q);
if (!_componentComplete)
_anchors->classBegin();
}
return _anchors;
}
QList<QmlGraphicsAnchors *> dependantAnchors;
QmlGraphicsAnchors *_anchors;
QmlGraphicsContents *_contents;
QmlNullableValue<qreal> _baselineOffset;
struct AnchorLines {
AnchorLines(QmlGraphicsItem *);
QmlGraphicsAnchorLine left;
QmlGraphicsAnchorLine right;
QmlGraphicsAnchorLine hCenter;
QmlGraphicsAnchorLine top;
QmlGraphicsAnchorLine bottom;
QmlGraphicsAnchorLine vCenter;
QmlGraphicsAnchorLine baseline;
};
mutable AnchorLines *_anchorLines;
AnchorLines *anchorLines() const {
Q_Q(const QmlGraphicsItem);
if (!_anchorLines) _anchorLines =
new AnchorLines(const_cast<QmlGraphicsItem *>(q));
return _anchorLines;
}
QmlStateGroup *states();
QmlStateGroup *_stateGroup;
QmlGraphicsItem::TransformOrigin origin:4;
bool widthValid:1;
bool heightValid:1;
bool _componentComplete:1;
bool _keepMouse:1;
bool smooth:1;
QmlGraphicsItemKeyFilter *keyHandler;
qreal width;
qreal height;
qreal implicitWidth;
qreal implicitHeight;
QPointF computeTransformOrigin() const;
virtual void setPosHelper(const QPointF &pos)
{
Q_Q(QmlGraphicsItem);
QRectF oldGeometry(this->pos.x(), this->pos.y(), width, height);
QGraphicsItemPrivate::setPosHelper(pos);
q->geometryChanged(QRectF(this->pos.x(), this->pos.y(), width, height), oldGeometry);
}
// Reimplemented from QGraphicsItemPrivate
virtual void subFocusItemChange()
{
emit q_func()->wantsFocusChanged();
}
// Reimplemented from QGraphicsItemPrivate
virtual void siblingOrderChange()
{
foreach(QmlGraphicsItemPrivate* other, siblingOrderNotifiees)
other->otherSiblingOrderChange(this);
}
QList<QmlGraphicsItemPrivate*> siblingOrderNotifiees;
void registerSiblingOrderNotification(QmlGraphicsItemPrivate* other)
{
siblingOrderNotifiees << other;
}
void unregisterSiblingOrderNotification(QmlGraphicsItemPrivate* other)
{
siblingOrderNotifiees.removeAll(other);
}
virtual void otherSiblingOrderChange(QmlGraphicsItemPrivate* other) {Q_UNUSED(other)}
static int consistentTime;
static QTime currentTime();
static void Q_DECLARATIVE_EXPORT setConsistentTime(int t);
static void start(QTime &);
static int elapsed(QTime &);
static int restart(QTime &);
};
QT_END_NAMESPACE
#endif // QMLGRAPHICSITEM_P_H
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