Simplify code using K_PLUGIN_CLASS_WITH_JSON macro.

Also move kpmcore plugins into separate namespace.

CMakeLists.txt

@@ -14,7 +14,7 @@ set (RELEASE_SERVICE_VERSION_MICRO "70")
 set (RELEASE_SERVICE_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}.${RELEASE_SERVICE_VERSION_MINOR}.${RELEASE_SERVICE_VERSION_MICRO}")
 project(kpmcore VERSION ${RELEASE_SERVICE_VERSION})
 
-set(SOVERSION "11")
+set(SOVERSION "12")
 add_definitions(-D'VERSION="${RELEASE_SERVICE_VERSION}"') #"
 
 
@@ -23,7 +23,7 @@ set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
 
 # Dependencies
 set(QT_MIN_VERSION "5.14.0")
-set(KF5_MIN_VERSION "5.73")
+set(KF5_MIN_VERSION "5.88")
 set(BLKID_MIN_VERSION "2.33.2")
 # PolkitQt5-1
 

src/backend/corebackendmanager.cpp

 /*
     SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
-    SPDX-FileCopyrightText: 2014-2018 Andrius Štikonas <andrius@stikonas.eu>
+    SPDX-FileCopyrightText: 2014-2021 Andrius Štikonas <andrius@stikonas.eu>
     SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
     SPDX-FileCopyrightText: 2018 Caio Jordão Carvalho <caiojcarvalho@gmail.com>
 
@@ -56,8 +56,7 @@ QVector<KPluginMetaData> CoreBackendManager::list() const
                metaData.category().contains(QStringLiteral("BackendPlugin"));
     };
 
-    // find backend plugins in standard path (e.g. /usr/lib64/qt5/plugins) using filter from above
-    return KPluginLoader::findPlugins(QString(), filter);
+    return KPluginMetaData::findPlugins(QStringLiteral("kpmcore"), filter);
 }
 
 bool CoreBackendManager::load(const QString& name)
@@ -65,7 +64,8 @@ bool CoreBackendManager::load(const QString& name)
     if (backend())
         unload();
 
-    KPluginLoader loader(name);
+    QString path = QStringLiteral("kpmcore/") + name;
+    KPluginLoader loader(path);
 
     KPluginFactory* factory = loader.factory();
 

src/plugins/CMakeLists.txt

@@ -3,6 +3,11 @@
 
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+function(kpmcore_add_plugin name)
+    kcoreaddons_add_plugin(${name} INSTALL_NAMESPACE "kpmcore")
+endfunction()
+
+
 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
     option(PARTMAN_SFDISKBACKEND "Build the sfdisk backend plugin." ON)
 

src/plugins/dummy/CMakeLists.txt

 # SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
-# SPDX-FileCopyrightText: 2016-2018 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2016-2021 Andrius Štikonas <andrius@stikonas.eu>
 
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-set (pmdummybackendplugin_SRCS
+kpmcore_add_plugin(pmdummybackendplugin)
+
+target_sources(pmdummybackendplugin PRIVATE
     dummybackend.cpp
     dummydevice.cpp
     dummypartitiontable.cpp
     ${CMAKE_SOURCE_DIR}/src/backend/corebackenddevice.cpp
 )
 
-add_library(pmdummybackendplugin SHARED ${pmdummybackendplugin_SRCS})
-
 target_link_libraries(pmdummybackendplugin kpmcore KF5::I18n KF5::CoreAddons)
-
-install(TARGETS pmdummybackendplugin DESTINATION ${KDE_INSTALL_PLUGINDIR})

src/plugins/dummy/dummybackend.cpp

@@ -25,7 +25,7 @@
 #include <KLocalizedString>
 #include <KPluginFactory>
 
-K_PLUGIN_FACTORY_WITH_JSON(DummyBackendFactory, "pmdummybackendplugin.json", registerPlugin<DummyBackend>();)
+K_PLUGIN_CLASS_WITH_JSON(DummyBackend, "pmdummybackendplugin.json")
 
 
 DummyBackend::DummyBackend(QObject*, const QList<QVariant>&) :

src/plugins/sfdisk/CMakeLists.txt

 # SPDX-FileCopyrightText: 2020 Gaël PORTAY <gael.portay@collabora.com>
-# SPDX-FileCopyrightText: 2018 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
 
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-set (pmsfdiskbackendplugin_SRCS
+kpmcore_add_plugin(pmsfdiskbackendplugin)
+
+target_sources(pmsfdiskbackendplugin PRIVATE
     sfdiskbackend.cpp
     sfdiskdevice.cpp
     sfdiskgptattributes.cpp
@@ -14,8 +16,4 @@ set (pmsfdiskbackendplugin_SRCS
     ${CMAKE_SOURCE_DIR}/src/core/copytargetbytearray.cpp
 )
 
-add_library(pmsfdiskbackendplugin SHARED ${pmsfdiskbackendplugin_SRCS})
-
 target_link_libraries(pmsfdiskbackendplugin kpmcore KF5::I18n KF5::CoreAddons)
-
-install(TARGETS pmsfdiskbackendplugin DESTINATION ${KDE_INSTALL_PLUGINDIR})

src/plugins/sfdisk/sfdiskbackend.cpp

@@ -47,7 +47,7 @@
 #include <KLocalizedString>
 #include <KPluginFactory>
 
-K_PLUGIN_FACTORY_WITH_JSON(SfdiskBackendFactory, "pmsfdiskbackendplugin.json", registerPlugin<SfdiskBackend>();)
+K_PLUGIN_CLASS_WITH_JSON(SfdiskBackend, "pmsfdiskbackendplugin.json")
 
 SfdiskBackend::SfdiskBackend(QObject*, const QList<QVariant>&) :
     CoreBackend()