MultiMC5/launcher/ui/widgets/LabeledToolButton.cpp

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/* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <QLabel>
#include <QVBoxLayout>
#include <QResizeEvent>
#include <QStyleOption>
#include "LabeledToolButton.h"
#include <QApplication>
#include <QDebug>
/*
*
* Tool Button with a label on it, instead of the normal text rendering
*
*/
LabeledToolButton::LabeledToolButton(QWidget * parent)
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: QToolButton(parent)
, m_label(new QLabel(this))
{
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//QToolButton::setText(" ");
m_label->setWordWrap(true);
m_label->setMouseTracking(false);
m_label->setAlignment(Qt::AlignCenter);
m_label->setTextInteractionFlags(Qt::NoTextInteraction);
// somehow, this makes word wrap work in the QLabel. yay.
//m_label->setMinimumWidth(100);
}
QString LabeledToolButton::text() const
{
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return m_label->text();
}
void LabeledToolButton::setText(const QString & text)
{
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m_label->setText(text);
}
void LabeledToolButton::setIcon(QIcon icon)
{
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m_icon = icon;
resetIcon();
}
/*!
\reimp
*/
QSize LabeledToolButton::sizeHint() const
{
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/*
Q_D(const QToolButton);
if (d->sizeHint.isValid())
return d->sizeHint;
*/
ensurePolished();
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int w = 0, h = 0;
QStyleOptionToolButton opt;
initStyleOption(&opt);
QSize sz =m_label->sizeHint();
w = sz.width();
h = sz.height();
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opt.rect.setSize(QSize(w, h)); // PM_MenuButtonIndicator depends on the height
if (popupMode() == MenuButtonPopup)
w += style()->pixelMetric(QStyle::PM_MenuButtonIndicator, &opt, this);
QSize rawSize = style()->sizeFromContents(QStyle::CT_ToolButton, &opt, QSize(w, h), this);
QSize sizeHint = rawSize.expandedTo(QApplication::globalStrut());
return sizeHint;
}
void LabeledToolButton::resizeEvent(QResizeEvent * event)
{
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m_label->setGeometry(QRect(4, 4, width()-8, height()-8));
if(!m_icon.isNull())
{
resetIcon();
}
QWidget::resizeEvent(event);
}
void LabeledToolButton::resetIcon()
{
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auto iconSz = m_icon.actualSize(QSize(160, 80));
float w = iconSz.width();
float h = iconSz.height();
float ar = w/h;
// FIXME: hardcoded max size of 160x80
int newW = 80 * ar;
if(newW > 160)
newW = 160;
QSize newSz (newW, 80);
auto pixmap = m_icon.pixmap(newSz);
m_label->setPixmap(pixmap);
m_label->setMinimumHeight(80);
m_label->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Preferred );
}