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/***************************************************************************
stareditor.h
-------------------
copyright : (C) 2010 Tobias Rafreider
copyright : (C) 2009 Nokia Corporation
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
/***************************************************************************
* *
* StarEditor inherits QWidget and is used by StarDelegate to let the user *
* edit a star rating in the library using the mouse. *
* *
* The class has been adapted from the official "Star Delegate Example", *
* see http://doc.trolltech.com/4.5/itemviews-stardelegate.html *
***************************************************************************/
#ifndef STAREDITOR_H
#define STAREDITOR_H
#include <QWidget>
#include <QMouseEvent>
#include <QEvent>
#include <QStyle>
#include <QSize>
#include <QPaintEvent>
#include <QStyleOptionViewItem>
#include <QTableView>
#include <QModelIndex>
#include "library/starrating.h"
class StarEditor : public QWidget {
Q_OBJECT
public:
StarEditor(QWidget* parent, QTableView* pTableView,
const QModelIndex& index,
const QStyleOptionViewItem& option);
QSize sizeHint() const;
void setStarRating(const StarRating& starRating) {
m_starRating = starRating;
}
StarRating starRating() { return m_starRating; }
static void renderHelper(QPainter* painter, QTableView* pTableView,
const QStyleOptionViewItem& option,
StarRating* pStarRating);
signals:
void editingFinished();
protected:
void paintEvent(QPaintEvent* event);
void mouseMoveEvent(QMouseEvent* event);
void mouseReleaseEvent(QMouseEvent* event);
//if the mouse leaves the editing index set starCount to 0
void leaveEvent(QEvent*);
private:
int starAtPosition(int x);
QTableView* m_pTableView;
QModelIndex m_index;
QStyleOptionViewItem m_styleOption;
StarRating m_starRating;
};
#endif
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