Allow to build with KF < 5.86

src/contact-editor/editor/generalinfoeditor/generalinfowidget.cpp

@@ -11,6 +11,7 @@
 #include "../widgets/imagewidget.h"
 #include "blogfeedwidget.h"
 #include "categorieseditwidget.h"
+#include "kcoreaddons_version.h"
 #include "mail/maillistwidget.h"
 #include "messageformattingwidget.h"
 #include "messaging/messaginglistwidget.h"
@@ -20,6 +21,7 @@
 #include "web/weblistwidget.h"
 #include <KLocalizedString>
 #include <KPluginFactory>
+#include <KPluginLoader>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QVBoxLayout>
@@ -74,11 +76,18 @@ GeneralInfoWidget::GeneralInfoWidget(QWidget *parent)
     label->setObjectName(QStringLiteral("categorylabel"));
     categoryWidgetLayout->addWidget(label);
 
+#if KCOREADDONS_VERSION < QT_VERSION_CHECK(5, 86, 0)
+    KPluginLoader loader(QStringLiteral("akonadi/contacts/plugins/categorieseditwidgetplugin"));
+    KPluginFactory *factory = loader.factory();
+    if (factory) {
+        mCategoriesWidget = factory->create<ContactEditor::CategoriesEditAbstractWidget>(parent);
+#else
     const KPluginMetaData editWidgetPlugin(QStringLiteral("akonadi/contacts/plugins/categorieseditwidgetplugin"));
     const auto result = KPluginFactory::instantiatePlugin<ContactEditor::CategoriesEditAbstractWidget>(editWidgetPlugin, parent);
 
     if (result) {
         mCategoriesWidget = result.plugin;
+#endif
     } else {
         mCategoriesWidget = new CategoriesEditWidget(parent);
         label->setVisible(false);