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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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]