[kcmscreenedges] Call reconfigureEffect on save

Explicitly call reconfigureEffect on the Effects which can be enabled
through the screenedges kcm.

BUG: 334791
REVIEW: 118138

kcmkwin/kwinscreenedges/CMakeLists.txt

@@ -9,6 +9,8 @@ set(
     screenpreviewwidget.cpp
     )
 ki18n_wrap_ui( kcm_kwinscreenedges_PART_SRCS main.ui )
+qt5_add_dbus_interface( kcm_kwinscreenedges_PART_SRCS
+    ${KWIN_SOURCE_DIR}/org.kde.kwin.Effects.xml kwin_effects_interface)
 add_library( kcm_kwinscreenedges MODULE ${kcm_kwinscreenedges_PART_SRCS} )
 target_link_libraries( kcm_kwinscreenedges ${X11_LIBRARIES}
     Qt5::DBus

kcmkwin/kwinscreenedges/main.cpp

@@ -21,6 +21,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "main.h"
 #include <effect_builtins.h>
+#include <kwin_effects_interface.h>
 
 #include <KAboutData>
 #include <KConfigGroup>
@@ -123,6 +124,13 @@ void KWinScreenEdgesConfig::save()
     // Reload KWin.
     QDBusMessage message = QDBusMessage::createSignal("/KWin", "org.kde.KWin", "reloadConfig");
     QDBusConnection::sessionBus().send(message);
+    // and reconfigure the effects
+    OrgKdeKwinEffectsInterface interface(QStringLiteral("org.kde.KWin"),
+                                             QStringLiteral("/Effects"),
+                                             QDBusConnection::sessionBus());
+    interface.reconfigureEffect(BuiltInEffects::nameForEffect(BuiltInEffect::PresentWindows));
+    interface.reconfigureEffect(BuiltInEffects::nameForEffect(BuiltInEffect::DesktopGrid));
+    interface.reconfigureEffect(BuiltInEffects::nameForEffect(BuiltInEffect::Cube));
 
     emit changed(false);
 }