Subject: serialcon: Hide scrollbar until there's something to scroll
From: Cole Robinson crobinso@redhat.com Fri Apr 25 19:13:44 2014 -0400
Date: Tue Apr 29 10:28:06 2014 -0400:
Git: 02f49be9e2f58032a7c124ea77d7983834dc80b6


Index: virt-manager-1.0.1/virtManager/serialcon.py
===================================================================
--- virt-manager-1.0.1.orig/virtManager/serialcon.py
+++ virt-manager-1.0.1/virtManager/serialcon.py
@@ -378,6 +378,14 @@ class vmmSerialConsole(vmmGObject):
         self.box.append_page(self.error_label, Gtk.Label(""))
         self.box.show_all()
 
+        scrollbar.hide()
+        scrollbar.get_adjustment().connect(
+            "changed", self._scrollbar_adjustment_changed, scrollbar)
+
+    def _scrollbar_adjustment_changed(self, adjustment, scrollbar):
+        scrollbar.set_visible(
+            adjustment.get_upper() > adjustment.get_page_size())
+
     def _cleanup(self):
         self.console.cleanup()
         self.console = None