Long live Qt 4.5!

1 files changed, 103 insertions, 0 deletions

diff --git a/examples/itemviews/stardelegate/starrating.cpp b/examples/itemviews/stardelegate/starrating.cpp
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+++ b/examples/itemviews/stardelegate/starrating.cpp
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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 <math.h>
+
+#include "starrating.h"
+
+const int PaintingScaleFactor = 20;
+
+//! [0]
+StarRating::StarRating(int starCount, int maxStarCount)
+{
+    myStarCount = starCount;
+    myMaxStarCount = maxStarCount;
+
+    starPolygon << QPointF(1.0, 0.5);
+    for (int i = 1; i < 5; ++i)
+        starPolygon << QPointF(0.5 + 0.5 * cos(0.8 * i * 3.14),
+                               0.5 + 0.5 * sin(0.8 * i * 3.14));
+
+    diamondPolygon << QPointF(0.4, 0.5) << QPointF(0.5, 0.4)
+                   << QPointF(0.6, 0.5) << QPointF(0.5, 0.6)
+                   << QPointF(0.4, 0.5);
+}
+//! [0]
+
+//! [1]
+QSize StarRating::sizeHint() const
+{
+    return PaintingScaleFactor * QSize(myMaxStarCount, 1);
+}
+//! [1]
+
+//! [2]
+void StarRating::paint(QPainter *painter, const QRect &rect,
+                       const QPalette &palette, EditMode mode) const
+{
+    painter->save();
+
+    painter->setRenderHint(QPainter::Antialiasing, true);
+    painter->setPen(Qt::NoPen);
+
+    if (mode == Editable) {
+        painter->setBrush(palette.highlight());
+    } else {
+        painter->setBrush(palette.foreground());
+    }
+
+    int yOffset = (rect.height() - PaintingScaleFactor) / 2;
+    painter->translate(rect.x(), rect.y() + yOffset);
+    painter->scale(PaintingScaleFactor, PaintingScaleFactor);
+
+    for (int i = 0; i < myMaxStarCount; ++i) {
+        if (i < myStarCount) {
+            painter->drawPolygon(starPolygon, Qt::WindingFill);
+        } else if (mode == Editable) {
+            painter->drawPolygon(diamondPolygon, Qt::WindingFill);
+        }
+        painter->translate(1.0, 0.0);
+    }
+
+    painter->restore();
+}
+//! [2]