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qTox/widget/croppinglabel.cpp
2014-08-18 15:56:48 +02:00

57 lines
1.5 KiB
C++

/*
Copyright (C) 2014 by Project Tox <https://tox.im>
This file is part of qTox, a Qt-based graphical interface for Tox.
This program is libre software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the COPYING file for more details.
*/
#include "croppinglabel.h"
CroppingLabel::CroppingLabel(QWidget* parent)
: QLabel(parent)
{
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
}
void CroppingLabel::setText(const QString& text)
{
origText = text.trimmed();
setElidedText();
}
void CroppingLabel::resizeEvent(QResizeEvent* ev)
{
setElidedText();
QLabel::resizeEvent(ev);
}
QSize CroppingLabel::sizeHint() const
{
return QSize(0, QLabel::sizeHint().height());
}
QSize CroppingLabel::minimumSizeHint() const
{
return QSize(fontMetrics().width("..."), QLabel::minimumSizeHint().height());
}
void CroppingLabel::setElidedText()
{
QString elidedText = fontMetrics().elidedText(origText, Qt::ElideRight, width());
if (elidedText != origText)
setToolTip(origText);
else
setToolTip(QString());
QLabel::setText(elidedText);
}