diff -r b72c6db6890b -r 5dc02b23752f src/declarative/graphicsitems/qdeclarativepathview_p_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/declarative/graphicsitems/qdeclarativepathview_p_p.h Tue Jul 06 15:10:48 2010 +0300 @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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 QDECLARATIVEPATHVIEW_P_H +#define QDECLARATIVEPATHVIEW_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 "private/qdeclarativepathview_p.h" + +#include "private/qdeclarativeitem_p.h" +#include "private/qdeclarativevisualitemmodel_p.h" + +#include +#include +#include + +#include + +QT_BEGIN_NAMESPACE + +class QDeclarativeOpenMetaObjectType; +class QDeclarativePathViewAttached; +class QDeclarativePathViewPrivate : public QDeclarativeItemPrivate +{ + Q_DECLARE_PUBLIC(QDeclarativePathView) + +public: + QDeclarativePathViewPrivate() + : path(0), currentIndex(0), currentItemOffset(0.0), startPc(0), lastDist(0) + , lastElapsed(0), mappedRange(1.0) + , stealMouse(false), ownModel(false), interactive(true), haveHighlightRange(true) + , autoHighlight(true), highlightUp(false), dragMargin(0), deceleration(100) + , moveOffset(this, &QDeclarativePathViewPrivate::setOffset) + , firstIndex(-1), pathItems(-1), requestedIndex(-1) + , moveReason(Other), attType(0), highlightComponent(0), highlightItem(0) + , moveHighlight(this, &QDeclarativePathViewPrivate::setHighlightPosition) + , highlightPosition(0) + , highlightRangeStart(0), highlightRangeEnd(0) + , highlightRangeMode(QDeclarativePathView::StrictlyEnforceRange) + , highlightMoveDuration(300) + { + } + + void init() + { + Q_Q(QDeclarativePathView); + offset = 0; + q->setAcceptedMouseButtons(Qt::LeftButton); + q->setFlag(QGraphicsItem::ItemIsFocusScope); + q->setFiltersChildEvents(true); + q->connect(&tl, SIGNAL(updated()), q, SLOT(ticked())); + } + + QDeclarativeItem *getItem(int modelIndex); + void releaseItem(QDeclarativeItem *item); + QDeclarativePathViewAttached *attached(QDeclarativeItem *item); + void clear(); + void updateMappedRange(); + qreal positionOfIndex(qreal index) const; + void createHighlight(); + void updateHighlight(); + void setHighlightPosition(qreal pos); + bool isValid() const { + return model && model->count() > 0 && model->isValid() && path; + } + + int calcCurrentIndex(); + void updateCurrent(); + static void fixOffsetCallback(void*); + void fixOffset(); + void setOffset(qreal offset); + void regenerate(); + void updateItem(QDeclarativeItem *, qreal); + void snapToCurrent(); + QPointF pointNear(const QPointF &point, qreal *nearPercent=0) const; + + QDeclarativePath *path; + int currentIndex; + QDeclarativeGuard currentItem; + qreal currentItemOffset; + qreal startPc; + QPointF startPoint; + qreal lastDist; + int lastElapsed; + qreal offset; + qreal mappedRange; + bool stealMouse : 1; + bool ownModel : 1; + bool interactive : 1; + bool haveHighlightRange : 1; + bool autoHighlight : 1; + bool highlightUp : 1; + QTime lastPosTime; + QPointF lastPos; + qreal dragMargin; + qreal deceleration; + QDeclarativeTimeLine tl; + QDeclarativeTimeLineValueProxy moveOffset; + int firstIndex; + int pathItems; + int requestedIndex; + QList items; + QDeclarativeGuard model; + QVariant modelVariant; + enum MovementReason { Other, SetIndex, Mouse }; + MovementReason moveReason; + QDeclarativeOpenMetaObjectType *attType; + QDeclarativeComponent *highlightComponent; + QDeclarativeItem *highlightItem; + QDeclarativeTimeLineValueProxy moveHighlight; + qreal highlightPosition; + qreal highlightRangeStart; + qreal highlightRangeEnd; + QDeclarativePathView::HighlightRangeMode highlightRangeMode; + int highlightMoveDuration; +}; + +QT_END_NAMESPACE + +#endif