Add scrolling options for PDFs #10396

Map the dpad up/down keys and the arrow up down keys for scrolling.
Using fn+arrow keys (Page up/down) will move forward/backward by
bigger chunks. This is the same behavior as in the epub back end.

1 files changed, 12 insertions, 0 deletions

diff --git a/readactivity.py b/readactivity.py
index f3c59ea..8c1fe91 100644
--- a/readactivity.py
+++ b/readactivity.py
@@ -637,6 +637,18 @@ class ReadActivity(activity.Activity):
         elif keyname == 'KP_End':
             self._view_toolbar.zoom_out()
             return True
+        elif keyname == 'Page_Up' or keyname == 'KP_Page_Up':
+            self._view.scroll(gtk.SCROLL_PAGE_BACKWARD, False)
+            return True
+        elif keyname == 'Page_Down' or keyname == 'KP_Page_Down':
+            self._view.scroll(gtk.SCROLL_PAGE_FORWARD, False)
+            return True
+        elif keyname == 'Up' or keyname == 'KP_Up':
+            self._view.scroll(gtk.SCROLL_STEP_BACKWARD, False)
+            return True
+        elif keyname == 'Down' or keyname == 'KP_Down':
+            self._view.scroll(gtk.SCROLL_STEP_FORWARD, False)
+            return True
         else:
             return False