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Diffstat (limited to 'src/declarative/graphicsitems/qmlgraphicsitem_p.h')
| -rw-r--r-- | src/declarative/graphicsitems/qmlgraphicsitem_p.h | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicsitem_p.h b/src/declarative/graphicsitems/qmlgraphicsitem_p.h new file mode 100644 index 0000000..1741808 --- /dev/null +++ b/src/declarative/graphicsitems/qmlgraphicsitem_p.h @@ -0,0 +1,287 @@ +/**************************************************************************** +** +** 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 "qmlgraphicsitem.h" + +#include "qmlgraphicsanchors_p.h" +#include "qmlgraphicsanchors_p_p.h" +#include "qmlgraphicsitemchangelistener_p.h" +#include <private/qpodvector_p.h> + +#include "../util/qmlstate_p.h" +#include "../util/qmlnullablevalue_p_p.h" +#include <qml.h> +#include <qmlcontext.h> + +#include <QtCore/qlist.h> +#include <QtCore/qdebug.h> + +#include <private/qgraphicsitem_p.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::Center), + widthValid(false), heightValid(false), + _componentComplete(true), _keepMouse(false), + smooth(false), keyHandler(0), + width(0), height(0), implicitWidth(0), implicitHeight(0) + { + QGraphicsItemPrivate::acceptedMouseButtons = 0; + QGraphicsItemPrivate::flags = QGraphicsItem::GraphicsItemFlags( + QGraphicsItem::ItemHasNoContents + | QGraphicsItem::ItemIsFocusable + | QGraphicsItem::ItemNegativeZStacksBehindParent); + + } + + void init(QmlGraphicsItem *parent) + { + Q_Q(QmlGraphicsItem); + + if (parent) + q->setParentItem(parent); + _baselineOffset.invalidate(); + 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(q); + if (!_componentComplete) + _anchors->classBegin(); + } + return _anchors; + } + 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; + } + + enum ChangeType { + Geometry = 0x01, + SiblingOrder = 0x02, + Visibility = 0x04, + Opacity = 0x08, + Destroyed = 0x10 + }; + + Q_DECLARE_FLAGS(ChangeTypes, ChangeType) + + struct ChangeListener { + ChangeListener(QmlGraphicsItemChangeListener *l, QmlGraphicsItemPrivate::ChangeTypes t) : listener(l), types(t) {} + QmlGraphicsItemChangeListener *listener; + QmlGraphicsItemPrivate::ChangeTypes types; + bool operator==(const ChangeListener &other) const { return listener == other.listener && types == other.types; } + }; + + void addItemChangeListener(QmlGraphicsItemChangeListener *listener, ChangeTypes types) { + changeListeners.append(ChangeListener(listener, types)); + } + void removeItemChangeListener(QmlGraphicsItemChangeListener *, ChangeTypes types); + QPODVector<ChangeListener,4> changeListeners; + + 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() + { + Q_Q(QmlGraphicsItem); + for(int ii = 0; ii < changeListeners.count(); ++ii) { + const QmlGraphicsItemPrivate::ChangeListener &change = changeListeners.at(ii); + if (change.types & QmlGraphicsItemPrivate::SiblingOrder) { + change.listener->itemSiblingOrderChanged(q); + } + } + } + + 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 &); +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QmlGraphicsItemPrivate::ChangeTypes); + +QT_END_NAMESPACE + +#endif // QMLGRAPHICSITEM_P_H |