File indexing completed on 2024-05-12 04:19:36

 // SPDX-FileCopyrightText: 2021 Noah Davis <noahadvs@gmail.com>
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "decoratedtag.h"
 #include <KColorUtils>
 #include <QEvent>
 #include <QPaintEvent>
 #include <QStylePainter>
 
 using namespace Gwenview;
 
 class Gwenview::DecoratedTagPrivate
 {
     Q_DECLARE_PUBLIC(DecoratedTag)
 public:
     DecoratedTagPrivate(DecoratedTag *q)
         : q_ptr(q)
     {
     }
     DecoratedTag *q_ptr = nullptr;
 
     void updateMargins();
     qreal horizontalMargin;
     qreal verticalMargin;
 };
 
 void DecoratedTagPrivate::updateMargins()
 {
     Q_Q(DecoratedTag);
     horizontalMargin = q->fontMetrics().descent() + 2;
     verticalMargin = 2;
     q->setContentsMargins(horizontalMargin, verticalMargin, horizontalMargin, verticalMargin);
 }
 
 DecoratedTag::DecoratedTag(QWidget *parent, Qt::WindowFlags f)
     : QLabel(parent, f)
     , d_ptr(new DecoratedTagPrivate(this))
 {
     Q_D(DecoratedTag);
     d->updateMargins();
 }
 
 DecoratedTag::DecoratedTag(const QString &text, QWidget *parent, Qt::WindowFlags f)
     : QLabel(text, parent, f)
     , d_ptr(new DecoratedTagPrivate(this))
 {
     Q_D(DecoratedTag);
     d->updateMargins();
 }
 
 Gwenview::DecoratedTag::~DecoratedTag() noexcept = default;
 
 void DecoratedTag::changeEvent(QEvent *event)
 {
     Q_D(DecoratedTag);
     if (event->type() == QEvent::FontChange) {
         d->updateMargins();
     }
 }
 
 void DecoratedTag::paintEvent(QPaintEvent *event)
 {
     Q_D(const DecoratedTag);
     QStylePainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing);
     const QColor penColor = KColorUtils::mix(palette().base().color(), palette().text().color(), 0.3);
     // QPainter is bad at drawing lines that are exactly 1px.
     // Using QPen::setCosmetic(true) with a 1px pen width
     // doesn't look quite as good as just using 1.001px.
     const qreal penWidth = 1.001;
     const qreal penMargin = penWidth / 2;
     QPen pen(penColor, penWidth);
     pen.setCosmetic(true);
     QRectF rect = event->rect();
     rect.adjust(penMargin, penMargin, -penMargin, -penMargin);
     painter.setBrush(palette().base());
     painter.setPen(pen);
     painter.drawRoundedRect(rect, d->horizontalMargin, d->horizontalMargin);
     QLabel::paintEvent(event);
 }
 
 #include "moc_decoratedtag.cpp"