77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QStyleOptionGraphicsItem>
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#include <QGraphicsSceneResizeEvent>
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#include <QPainter>
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#include <QRectF>
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#include "backgrounditem.h"
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#include "theme.h"
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BackgroundItem::BackgroundItem(const QString &filename, QGraphicsWidget *parent)
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: GvbWidget(parent),
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m_background(),
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m_fileName(filename)
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{
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setContentsMargins(0,0,0,0);
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connect(Theme::p(), SIGNAL(themeChanged()), this, SLOT(themeChange()));
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}
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BackgroundItem::~BackgroundItem()
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{
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}
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void BackgroundItem::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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GvbWidget::resizeEvent(event);
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m_background = Theme::p()->pixmap(m_fileName, size().toSize());
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}
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void BackgroundItem::paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget)
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{
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Q_UNUSED(widget)
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painter->setCompositionMode(QPainter::CompositionMode_Source);
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painter->drawPixmap(option->exposedRect, m_background, option->exposedRect);
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}
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void BackgroundItem::themeChange()
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{
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m_background = Theme::p()->pixmap(m_fileName, size().toSize());
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update();
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}
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