1 files changed, 10 insertions, 1 deletions
diff --git a/sdext/source/presenter/PresenterController.cxx b/sdext/source/presenter/PresenterController.cxx
index 58f7053cc11c..699df813bb9d 100644
--- a/sdext/source/presenter/PresenterController.cxx
+++ b/sdext/source/presenter/PresenterController.cxx
@@ -1004,12 +1004,21 @@ void SAL_CALL PresenterController::keyReleased (const awt::KeyEvent& rEvent)
 
         case awt::Key::LEFT:
         case awt::Key::PAGEUP:
+            if (mxSlideShowController.is())
+            {
+                if (rEvent.Modifiers == awt::KeyModifier::MOD2)
+                    mxSlideShowController->gotoPreviousSlide();
+                else
+                    mxSlideShowController->gotoPreviousEffect();
+            }
+            break;
+
         case awt::Key::UP:
         case awt::Key::P:
         case awt::Key::BACKSPACE:
             if (mxSlideShowController.is())
             {
-                mxSlideShowController->gotoPreviousSlide();
+                mxSlideShowController->gotoPreviousEffect();
             }
             break;