actions: handle page up/down keys

1 files changed, 2 insertions, 0 deletions

diff --git a/beamer/viewer/stage/actions.js b/beamer/viewer/stage/actions.js
index e485998..818e970 100644
--- a/beamer/viewer/stage/actions.js
+++ b/beamer/viewer/stage/actions.js
@@ -24,11 +24,13 @@ class KeyboardEventHandler extends ActionEventHandler {
       case " ":
       case "ArrowRight":
       case "ArrowDown":
+      case "PageDown":
       case "n":
         return this.onNext();
 
       case "ArrowLeft":
       case "ArrowUp":
+      case "PageUp":
       case "p":
         return this.onPrevious();
     }