File indexing completed on 2024-05-12 05:47:30

 /*
  * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kitemlistselectiontoggle.h"
 
 #include <KIconLoader>
 
 #include <QIcon>
 #include <QPainter>
 
 KItemListSelectionToggle::KItemListSelectionToggle(QGraphicsItem *parent)
     : QGraphicsWidget(parent)
     , m_checked(false)
     , m_hovered(false)
 {
 }
 
 KItemListSelectionToggle::~KItemListSelectionToggle()
 {
 }
 
 void KItemListSelectionToggle::setChecked(bool checked)
 {
     if (m_checked != checked) {
         m_checked = checked;
         m_pixmap = QPixmap();
         update();
     }
 }
 
 bool KItemListSelectionToggle::isChecked() const
 {
     return m_checked;
 }
 
 void KItemListSelectionToggle::setHovered(bool hovered)
 {
     if (m_hovered != hovered) {
         m_hovered = hovered;
         m_pixmap = QPixmap();
         update();
     }
 }
 
 void KItemListSelectionToggle::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
     Q_UNUSED(option)
     Q_UNUSED(widget)
 
     if (m_pixmap.isNull()) {
         updatePixmap();
     }
 
     const qreal x = (size().width() - qreal(m_pixmap.width() / m_pixmap.devicePixelRatioF())) / 2;
     const qreal y = (size().height() - qreal(m_pixmap.height() / m_pixmap.devicePixelRatioF())) / 2;
     painter->drawPixmap(x, y, m_pixmap);
 }
 
 void KItemListSelectionToggle::resizeEvent(QGraphicsSceneResizeEvent *event)
 {
     QGraphicsWidget::resizeEvent(event);
 
     if (!m_pixmap.isNull()) {
         const int pixmapSize = m_pixmap.size().width() / m_pixmap.devicePixelRatioF(); // Pixmap width is always equal pixmap height
 
         if (pixmapSize != iconSize()) {
             // If the required icon size is different from the actual pixmap size,
             // overwrite the m_pixmap with an empty pixmap and reload the new
             // icon on next re-painting.
             m_pixmap = QPixmap();
         }
     }
 }
 
 void KItemListSelectionToggle::updatePixmap()
 {
     const QString icon = m_checked ? QStringLiteral("emblem-remove") : QStringLiteral("emblem-added");
     m_pixmap = QIcon::fromTheme(icon).pixmap(iconSize(), m_hovered ? QIcon::Active : QIcon::Disabled);
 }
 
 int KItemListSelectionToggle::iconSize() const
 {
     const int iconSize = qMin(size().width(), size().height());
 
     if (iconSize < KIconLoader::SizeSmallMedium) {
         return KIconLoader::SizeSmall;
     } else if (iconSize < KIconLoader::SizeMedium) {
         return KIconLoader::SizeSmallMedium;
     } else if (iconSize < KIconLoader::SizeLarge) {
         return KIconLoader::SizeMedium;
     } else if (iconSize < KIconLoader::SizeHuge) {
         return KIconLoader::SizeLarge;
     } else if (iconSize < KIconLoader::SizeEnormous) {
         return KIconLoader::SizeHuge;
     }
 
     return iconSize;
 }
 
 #include "moc_kitemlistselectiontoggle.cpp"