[plasma/systemsettings] app: Use KConfigXT for settings

Git commit bccb84ceefee72a6e78965a0bc6393d80d7cebd4 by Nicolas Fella.
Committed on 24/07/2026 at 12:23.
Pushed by nicolasfella into branch 'master'.

Use KConfigXT for settings

M  +3    -0    app/CMakeLists.txt
M  +5    -6    app/SidebarMode.cpp
A  +12   -0    app/systemsettings-config.kcfg

https://invent.kde.org/plasma/systemsettings/-/commit/bccb84ceefee72a6e78965a0bc6393d80d7cebd4

diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 9c2e3275..b197a739 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -61,6 +61,8 @@ target_link_libraries(systemsettings PRIVATE
     Qt::Quick
 )
 
+kconfig_target_kcfg_file(systemsettings FILE systemsettings-config.kcfg CLASS_NAME Settings MUTATORS)
+
 install(TARGETS systemsettings ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 install(PROGRAMS kdesystemsettings.desktop systemsettings.desktop DESTINATION ${KDE_INSTALL_APPDIR})
 install(DIRECTORY DESTINATION "${KDE_INSTALL_FULL_DATAROOTDIR}/kglobalaccel")
@@ -69,5 +71,6 @@ install(
 )
 install(FILES org.kde.systemsettings.metainfo.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
 install(FILES systemsettings.zsh RENAME _systemsettings DESTINATION ${KDE_INSTALL_ZSHAUTOCOMPLETEDIR})
+install(FILES systemsettings-config.kcfg DESTINATION ${KDE_INSTALL_KCFGDIR})
 
 ecm_finalize_qml_module(systemsettings)
diff --git a/app/SidebarMode.cpp b/app/SidebarMode.cpp
index 6d4ef2be..de5b003a 100644
--- a/app/SidebarMode.cpp
+++ b/app/SidebarMode.cpp
@@ -12,6 +12,7 @@
 #include "MenuProxyModel.h"
 #include "ModuleView.h"
 #include "kcmmetadatahelpers.h"
+#include "systemsettings-config.h"
 
 #include <KAboutData>
 #include <KActionCollection>
@@ -20,7 +21,6 @@
 #include <KDescendantsProxyModel>
 #include <KLocalizedContext>
 #include <KLocalizedString>
-#include <KSharedConfig>
 
 #include <KLocalizedQmlContext>
 #include <QAction>
@@ -133,7 +133,7 @@ public:
     qreal headerHeight = 0;
     bool actionMenuVisible = false;
     bool m_defaultsIndicatorsVisible = false;
-    KConfigGroup config;
+    Settings config;
     MenuItem *rootItem = nullptr;
     MenuItem *homeItem = nullptr;
     KPluginMetaData metaData;
@@ -163,14 +163,13 @@ SidebarMode::SidebarMode(QObject *parent,
     qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
     qmlRegisterAnonymousType<QAction>("", 1);
     qmlRegisterAnonymousType<QAbstractItemModel>("", 1);
-    d->config = KSharedConfig::openConfig()->group(QStringLiteral("systemsettings_sidebar_mode"));
     initEvent();
     connect(moduleView(), &ModuleView::moduleChanged, this, &SidebarMode::viewChanged);
 }
 
 SidebarMode::~SidebarMode()
 {
-    d->config.sync();
+    d->config.save();
     delete d;
 }
 
@@ -240,7 +239,7 @@ void SidebarMode::initEvent()
         d->moduleView->setDefaultsVisible(false);
     }
 
-    if (d->config.readEntry("HighlightNonDefaultSettings", false)) {
+    if (d->config.highlightNonDefaultSettings()) {
         toggleDefaultsIndicatorsVisibility();
     }
 }
@@ -535,7 +534,7 @@ void SidebarMode::toggleDefaultsIndicatorsVisibility()
     d->m_defaultsIndicatorsVisible = !d->m_defaultsIndicatorsVisible;
     d->moduleView->moduleShowDefaultsIndicators(d->m_defaultsIndicatorsVisible);
     refreshDefaults();
-    d->config.writeEntry("HighlightNonDefaultSettings", d->m_defaultsIndicatorsVisible);
+    d->config.setHighlightNonDefaultSettings(d->m_defaultsIndicatorsVisible);
     Q_EMIT defaultsIndicatorsVisibleChanged();
 }
 
diff --git a/app/systemsettings-config.kcfg b/app/systemsettings-config.kcfg
new file mode 100644
index 00000000..64abe539
--- /dev/null
+++ b/app/systemsettings-config.kcfg
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- SPDX-FileCopyrightText: 2026 Nicolas Fella <[email protected]> -->
+<!-- SPDX-License-Identifier: GPL-2.0-or-later -->
+<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0       http://www.kde.org/standards/kcfg/1.0/kcfg.xsd">
+  <kcfgfile name="systemsettingsrc"/>
+  <group name="systemsettings_sidebar_mode">
+    <entry name="HighlightNonDefaultSettings" type="Bool">
+      <label>Highlight Changed Settings</label>
+      <default>false</default>
+    </entry>
+  </group>
+</kcfg>