diff -r 000000000000 -r 1918ee327afb examples/itemviews/stardelegate/starrating.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/itemviews/stardelegate/starrating.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#include + +#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]