/* This file is part of the KDE project
Copyright (C) 2009 Alessandro Diaferia <alediaferia@gmail.com>
Copyright (C) 2009 Lukas Appelhans <l.appelhans@gmx.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
*/
#ifndef BREADCRUMB_H
#define BREADCRUMB_H
#include <QGraphicsWidget>
#include <QList>
class BreadcrumbItem;
class QModelIndex;
class QAbstractItemModel;
class QGraphicsSceneResizeEvent;
class QGraphicsSceneMouseEvent;
class QRectF;
class QTimeLine;
class RaptorGraphicsView;
class Breadcrumb : public QGraphicsWidget
{
Q_OBJECT
public:
Breadcrumb(RaptorGraphicsView *view, QGraphicsWidget *parent = 0);
~Breadcrumb();
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
void updateItemRects();
public slots:
void setCurrentItem(const QModelIndex &index);
signals:
/**
* This signal is emitted when the user clicks an
* item of the breadcrumb.
*/
void changedRootIndex(const QModelIndex &);
void rootMenuRequested();
private:
RaptorGraphicsView *m_view;
QList<BreadcrumbItem*> m_items;
BreadcrumbItem *m_currentShowing;
QTimeLine *m_timeLine;
qreal m_realFrame;
protected:
void resizeEvent(QGraphicsSceneResizeEvent *event);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
protected slots:
void animate();
};
#endif
