File xpdf-poppler-no-goto-when-fullscreen.patch of Package xpdf-poppler

--- XPDFViewer.cc
+++ XPDFViewer.cc
@@ -844,6 +844,8 @@
 
 void XPDFViewer::cmdFocusToPageNum(GooString *args[], int nArgs,
 				   XEvent *event) {
+  if (core->getFullScreen())
+    return;
   XmTextFieldSetSelection(pageNumText, 0,
 			  strlen(XmTextFieldGetString(pageNumText)),
 			  XtLastTimestampProcessed(display));