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Adding ./doc from boost

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Reviewer: Lauro Moura <lauro.neto@openbossa.org>
          Luciano Wolf <luciano.wolf@openbossa.org>
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Lauro Neto 2010-04-27 18:12:50 -03:00 • committed by Renato Filho
commit aaece960d3
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doc/codesnippets/examples/itemviews/pixelator/pixeldelegate.cpp Normal file
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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 example classes of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
def __init__(self, parent):
QAbstractItemDelegate.__init__(self, parent)
self.pixelSize = 12
//! [0]
//! [1]
def paint(self, painter, option, index):
//! [2]
if option.state and QStyle.State_Selected:
painter.fillRect(option.rect, option.palette.highlight())
//! [1]
//! [3]
size = qMin(option.rect.width(), option.rect.height())
//! [3] //! [4]
brightness = index.model().data(index, Qt.DisplayRole).toInt()
radius = (size/2.0) - (brightness/255.0 * size/2.0)
if radius == 0.0:
return
//! [4]
//! [5]
painter.save()
//! [5] //! [6]
painter.setRenderHint(QPainter.Antialiasing, true)
//! [6] //! [7]
painter.setPen(Qt.NoPen)
//! [7] //! [8]
if option.state and QStyle.State_Selected:
//! [8] //! [9]
painter.setBrush(option.palette.highlightedText())
else
//! [2]
painter.setBrush(QBrush(Qt.black))
//! [9]
//! [10]
painter.drawEllipse(QRectF(option.rect.x() + option.rect.width()/2 - radius,
option.rect.y() + option.rect.height()/2 - radius,
2*radius, 2*radius))
painter.restore()
//! [10]
//! [11]
def sizeHint(self, option, index):
return QSize(self.pixelSize, self.pixelSize)
//! [11]
//! [12]
def setPixelSize(self, size):
self.pixelSize = size
//! [12]