File indexing completed on 2024-05-05 17:39:54

 /*
  *  KSysGuard, the KDE System Guard
  *
  *  SPDX-FileCopyrightText: 2022 Eugene Popov <popov895@ukr.net>
  *
  *  SPDX-License-Identifier: LGPL-2.0-or-later
  */
 
 #include "GeneralTab.h"
 
 #include <QGraphicsOpacityEffect>
 #include <QHeaderView>
 #include <QLabel>
 #include <QLayout>
 #include <QTreeWidget>
 
 #include <KLocalizedString>
 
 GeneralTab::GeneralTab(QWidget *parent)
     : QWidget(parent)
 {
     m_dataTreeWidget = new QTreeWidget;
     m_dataTreeWidget->setAlternatingRowColors(true);
     m_dataTreeWidget->setColumnCount(2);
     m_dataTreeWidget->setHeaderHidden(true);
     m_dataTreeWidget->setRootIsDecorated(false);
     m_dataTreeWidget->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
     m_dataTreeWidget->header()->setStretchLastSection(true);
 
     QVBoxLayout *rootLayout = new QVBoxLayout;
     rootLayout->addWidget(m_dataTreeWidget);
     setLayout(rootLayout);
 
     m_placeholderLabel = new QLabel;
     m_placeholderLabel->setAlignment(Qt::AlignCenter);
     m_placeholderLabel->setMargin(20);
     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
     m_placeholderLabel->setWordWrap(true);
     m_placeholderLabel->setText(i18nc("@info:status", "No data to display"));
     // To match the size of a level 2 Heading/KTitleWidget
     QFont placeholderFont = m_placeholderLabel->font();
     placeholderFont.setPointSize(qRound(placeholderFont.pointSize() * 1.3));
     m_placeholderLabel->setFont(placeholderFont);
     // Match opacity of QML placeholder label component
     QGraphicsOpacityEffect *opacityEffect = new QGraphicsOpacityEffect(m_placeholderLabel);
     opacityEffect->setOpacity(0.5);
     m_placeholderLabel->setGraphicsEffect(opacityEffect);
 
     QVBoxLayout *placeholderLayout = new QVBoxLayout;
     placeholderLayout->addWidget(m_placeholderLabel);
     m_dataTreeWidget->setLayout(placeholderLayout);
 }
 
 void GeneralTab::setData(const QVariantMap &data)
 {
     m_dataTreeWidget->clear();
 
     QList<QTreeWidgetItem*> items;
     for (QVariantMap::const_iterator i = data.cbegin(); i != data.cend(); ++i) {
         items << new QTreeWidgetItem({ i.key(), i.value().toString() });
     }
 
     if (items.isEmpty()) {
         m_placeholderLabel->show();
     } else {
         m_placeholderLabel->hide();
         m_dataTreeWidget->addTopLevelItems(items);
     }
 }