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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "stareditor.h"
#include "starrating.h"
//! [0]
StarEditor::StarEditor(QWidget *parent)
: QWidget(parent)
{
setMouseTracking(true);
setAutoFillBackground(true);
}
//! [0]
QSize StarEditor::sizeHint() const
{
return myStarRating.sizeHint();
}
//! [1]
void StarEditor::paintEvent(QPaintEvent *)
{
QPainter painter(this);
myStarRating.paint(&painter, rect(), this->palette(),
StarRating::Editable);
}
//! [1]
//! [2]
void StarEditor::mouseMoveEvent(QMouseEvent *event)
{
int star = starAtPosition(event->x());
if (star != myStarRating.starCount() && star != -1) {
myStarRating.setStarCount(star);
update();
}
}
//! [2]
//! [3]
void StarEditor::mouseReleaseEvent(QMouseEvent * /* event */)
{
emit editingFinished();
}
//! [3]
//! [4]
int StarEditor::starAtPosition(int x)
{
int star = (x / (myStarRating.sizeHint().width()
/ myStarRating.maxStarCount())) + 1;
if (star <= 0 || star > myStarRating.maxStarCount())
return -1;
return star;
}
//! [4]
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