const'ify variables

src/platformtheme/kdeplatformfiledialoghelper.cpp

@@ -110,7 +110,7 @@ QList<QUrl> KDEPlatformFileDialog::selectedFiles()
 
 void KDEPlatformFileDialog::selectFile(const QUrl &filename)
 {
-    QUrl dirUrl = filename.adjusted(QUrl::RemoveFilename);
+    const QUrl dirUrl = filename.adjusted(QUrl::RemoveFilename);
     m_fileWidget->setUrl(dirUrl);
     m_fileWidget->setSelectedUrl(filename);
 }
@@ -332,7 +332,7 @@ void KDEPlatformFileDialogHelper::initializeDialog()
             dialog->m_fileWidget->setConfirmOverwrite(true);
         }
 
-        QStringList schemes = options()->supportedSchemes();
+        const QStringList schemes = options()->supportedSchemes();
         dialog->m_fileWidget->setSupportedSchemes(schemes);
     }
 }

src/platformtheme/kfiletreeview.cpp

@@ -161,14 +161,14 @@ void KFileTreeView::setShowHiddenFiles(bool enabled)
 
 void KFileTreeView::setCurrentUrl(const QUrl &url)
 {
-    QModelIndex baseIndex = d->mSourceModel->indexForUrl(url);
+    const QModelIndex baseIndex = d->mSourceModel->indexForUrl(url);
 
     if (!baseIndex.isValid()) {
         d->mSourceModel->expandToUrl(url);
         return;
     }
 
-    QModelIndex proxyIndex = d->mProxyModel->mapFromSource(baseIndex);
+    const QModelIndex proxyIndex = d->mProxyModel->mapFromSource(baseIndex);
     selectionModel()->clearSelection();
     selectionModel()->setCurrentIndex(proxyIndex, QItemSelectionModel::SelectCurrent);
     scrollTo(proxyIndex);

src/platformtheme/khintssettings.cpp

@@ -67,7 +67,7 @@ static inline bool checkUsePortalSupport()
     return !QStandardPaths::locate(QStandardPaths::RuntimeLocation, QStringLiteral("flatpak-info")).isEmpty() || qEnvironmentVariableIsSet("SNAP");
 }
 
-KHintsSettings::KHintsSettings(KSharedConfig::Ptr kdeglobals)
+KHintsSettings::KHintsSettings(const KSharedConfig::Ptr &kdeglobals)
     : QObject(nullptr)
     , mKdeGlobals(kdeglobals)
     , mUsePortal(checkUsePortalSupport())

src/platformtheme/khintssettings.h

@@ -51,7 +51,7 @@ public:
         SETTINGS_LOCALE,
         SETTINGS_STYLE,
     };
-    explicit KHintsSettings(KSharedConfig::Ptr kdeglobals = KSharedConfig::Ptr());
+    explicit KHintsSettings(const KSharedConfig::Ptr &kdeglobals = KSharedConfig::Ptr());
     ~KHintsSettings() override;
 
     inline QVariant hint(QPlatformTheme::ThemeHint hint) const