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Diffstat (limited to 'src/declarative/graphicsitems/qmlgraphicspathview_p_p.h')
-rw-r--r-- | src/declarative/graphicsitems/qmlgraphicspathview_p_p.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qmlgraphicspathview_p_p.h b/src/declarative/graphicsitems/qmlgraphicspathview_p_p.h new file mode 100644 index 0000000..18cb205 --- /dev/null +++ b/src/declarative/graphicsitems/qmlgraphicspathview_p_p.h @@ -0,0 +1,144 @@ +/**************************************************************************** +** +** 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 QMLGRAPHICSPATHVIEW_P_H +#define QMLGRAPHICSPATHVIEW_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 "qmlgraphicspathview_p.h" + +#include "qmlgraphicsitem_p.h" +#include "qmlgraphicsvisualitemmodel_p.h" + +#include <qml.h> +#include <qmlanimation_p_p.h> + +#include <qdatetime.h> + +QT_BEGIN_NAMESPACE + +typedef struct PathViewItem{ + int index; + QmlGraphicsItem* item; +}PathViewItem; + +class QmlGraphicsPathViewPrivate : public QmlGraphicsItemPrivate +{ + Q_DECLARE_PUBLIC(QmlGraphicsPathView) + +public: + QmlGraphicsPathViewPrivate() + : path(0), currentIndex(0), startPc(0), lastDist(0) + , lastElapsed(0), stealMouse(false), ownModel(false), activeItem(0) + , snapPos(0), dragMargin(0), moveOffset(this, &QmlGraphicsPathViewPrivate::setOffset) + , firstIndex(0), pathItems(-1), pathOffset(0), requestedIndex(-1) + , moveReason(Other) + { + fixupOffsetEvent = QmlTimeLineEvent::timeLineEvent<QmlGraphicsPathViewPrivate, &QmlGraphicsPathViewPrivate::fixOffset>(&moveOffset, this); + } + + void init() + { + Q_Q(QmlGraphicsPathView); + _offset = 0; + q->setAcceptedMouseButtons(Qt::LeftButton); + q->setFlag(QGraphicsItem::ItemIsFocusScope); + q->setFiltersChildEvents(true); + q->connect(&tl, SIGNAL(updated()), q, SLOT(ticked())); + } + + QmlGraphicsItem *getItem(int modelIndex); + void releaseItem(QmlGraphicsItem *item); + + bool isValid() const { + return model && model->count() > 0 && model->isValid() && path; + } + + int calcCurrentIndex(); + void updateCurrent(); + void fixOffset(); + void setOffset(qreal offset); + void regenerate(); + void updateItem(QmlGraphicsItem *, qreal); + void snapToCurrent(); + QPointF pointNear(const QPointF &point, qreal *nearPercent=0) const; + + QmlGraphicsPath *path; + int currentIndex; + qreal startPc; + QPointF startPoint; + qreal lastDist; + int lastElapsed; + qreal _offset; + bool stealMouse : 1; + bool ownModel : 1; + QTime lastPosTime; + QPointF lastPos; + QmlGraphicsItem *activeItem; + qreal snapPos; + qreal dragMargin; + QmlTimeLine tl; + QmlTimeLineValueProxy<QmlGraphicsPathViewPrivate> moveOffset; + QmlTimeLineEvent fixupOffsetEvent; + int firstIndex; + int pathItems; + int pathOffset; + int requestedIndex; + QList<QmlGraphicsItem *> items; + QGuard<QmlGraphicsVisualModel> model; + QVariant modelVariant; + enum MovementReason { Other, Key, Mouse }; + MovementReason moveReason; +}; + +QT_END_NAMESPACE + +#endif |