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https://github.com/transmission/transmission
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76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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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 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at qt-sales@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QPainter>
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#include <QStyle>
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#include <QStyleOption>
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#include "SqueezeLabel.h"
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SqueezeLabel::SqueezeLabel(QString const& text, QWidget* parent) :
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QLabel(text, parent)
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{
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}
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SqueezeLabel::SqueezeLabel(QWidget* parent) :
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QLabel(parent)
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{
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}
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void SqueezeLabel::paintEvent(QPaintEvent* paintEvent)
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{
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if (hasFocus() && (textInteractionFlags() & (Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse)) != 0)
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{
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return QLabel::paintEvent(paintEvent);
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}
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QPainter painter(this);
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QFontMetrics fm = fontMetrics();
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QStyleOption opt;
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opt.initFrom(this);
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auto const full_text = text();
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auto const elided_text = fm.elidedText(full_text, Qt::ElideRight, width());
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style()->drawItemText(&painter, contentsRect(), alignment(), opt.palette, isEnabled(), elided_text, foregroundRole());
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#ifndef QT_NO_TOOLTIP
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setToolTip(full_text != elided_text ? full_text : QString{});
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#endif
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}
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