dolphin/Source/Core/DolphinQt/QtUtils/ElidedButton.cpp

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// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DolphinQt/QtUtils/ElidedButton.h"
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#include <QStyleOptionButton>
#include <QStylePainter>
ElidedButton::ElidedButton(const QString& text, Qt::TextElideMode elide_mode)
: QPushButton(text, nullptr), m_elide_mode{elide_mode}
{
}
Qt::TextElideMode ElidedButton::elideMode() const
{
return m_elide_mode;
}
void ElidedButton::setElideMode(Qt::TextElideMode elide_mode)
{
if (elide_mode == m_elide_mode)
return;
m_elide_mode = elide_mode;
repaint();
}
QSize ElidedButton::sizeHint() const
{
// Long text produces big sizeHints which is throwing layouts off
// even when setting fixed sizes. This seems like a Qt layout bug.
// Let's always return the sizeHint of an empty button to work around this.
return QPushButton(parentWidget()).sizeHint();
}
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void ElidedButton::paintEvent(QPaintEvent* event)
{
QStyleOptionButton option;
initStyleOption(&option);
option.text = fontMetrics().elidedText(
text(), m_elide_mode,
style()->subElementRect(QStyle::SE_PushButtonContents, &option, this).width());
QStylePainter{this}.drawControl(QStyle::CE_PushButton, option);
}