Warning, file /plasma/plasma-workspace/kcms/desktoptheme/filterproxymodel.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
     SPDX-FileCopyrightText: 2019 Kai Uwe Broulik <kde@privat.broulik.de>
     SPDX-FileCopyrightText: 2019 David Redondo <kde@david-redondo.de>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "filterproxymodel.h"
 
 #include "themesmodel.h"
 
 FilterProxyModel::FilterProxyModel(QObject *parent)
     : QSortFilterProxyModel(parent)
 {
 }
 
 FilterProxyModel::~FilterProxyModel() = default;
 
 QString FilterProxyModel::selectedTheme() const
 {
     return m_selectedTheme;
 }
 
 void FilterProxyModel::setSelectedTheme(const QString &pluginName)
 {
     if (m_selectedTheme == pluginName) {
         return;
     }
 
     const bool firstTime = m_selectedTheme.isNull();
     m_selectedTheme = pluginName;
 
     if (!firstTime) {
         Q_EMIT selectedThemeChanged();
     }
     Q_EMIT selectedThemeIndexChanged();
 }
 
 int FilterProxyModel::selectedThemeIndex() const
 {
     // We must search in the source model and then map the index to our proxy model.
     const auto results = sourceModel()->match(sourceModel()->index(0, 0), ThemesModel::PluginNameRole, m_selectedTheme, 1, Qt::MatchExactly);
 
     if (results.count() == 1) {
         const QModelIndex result = mapFromSource(results.first());
         if (result.isValid()) {
             return result.row();
         }
     }
 
     return -1;
 }
 
 QString FilterProxyModel::query() const
 {
     return m_query;
 }
 
 void FilterProxyModel::setQuery(const QString &query)
 {
     if (m_query != query) {
         const int oldIndex = selectedThemeIndex();
 
         m_query = query;
         invalidateFilter();
 
         Q_EMIT queryChanged();
 
         if (selectedThemeIndex() != oldIndex) {
             Q_EMIT selectedThemeIndexChanged();
         }
     }
 }
 
 FilterProxyModel::ThemeFilter FilterProxyModel::filter() const
 {
     return m_filter;
 }
 
 void FilterProxyModel::setFilter(ThemeFilter filter)
 {
     if (m_filter != filter) {
         const int oldIndex = selectedThemeIndex();
 
         m_filter = filter;
         invalidateFilter();
 
         Q_EMIT filterChanged();
 
         if (selectedThemeIndex() != oldIndex) {
             Q_EMIT selectedThemeIndexChanged();
         }
     }
 }
 
 bool FilterProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
 {
     const QModelIndex idx = sourceModel()->index(sourceRow, 0, sourceParent);
 
     if (!m_query.isEmpty()) {
         if (!idx.data(Qt::DisplayRole).toString().contains(m_query, Qt::CaseInsensitive)
             && !idx.data(ThemesModel::PluginNameRole).toString().contains(m_query, Qt::CaseInsensitive)) {
             return false;
         }
     }
 
     const auto type = idx.data(ThemesModel::ColorTypeRole).value<ThemesModel::ColorType>();
     switch (m_filter) {
     case AllThemes:
         return true;
     case LightThemes:
         return type == ThemesModel::LightTheme;
     case DarkThemes:
         return type == ThemesModel::DarkTheme;
     case ThemesFollowingColors:
         return type == ThemesModel::FollowsColorTheme;
     }
 
     return true;
 }