From 25538e5c04c2cb62a352c72f8e7b4b5ef264e3bd Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 9 Jul 2009 13:05:14 -0600
Subject: [PATCH] Fix handling of font family comboboxes in LRF Output settings

---
 src/calibre/gui2/convert/lrf_output.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/convert/lrf_output.py b/src/calibre/gui2/convert/lrf_output.py
index 1f52598b93..b0ddc3dadb 100644
--- a/src/calibre/gui2/convert/lrf_output.py
+++ b/src/calibre/gui2/convert/lrf_output.py
@@ -45,9 +45,11 @@ class PluginWidget(Widget, Ui_Form):
     def set_value_handler(self, g, val):
         if unicode(g.objectName()) in ('opt_serif_family',
                 'opt_sans_family', 'opt_mono_family'):
-            idx = g.findText(val, Qt.MatchFixedString)
+            idx = -1
+            if val:
+                idx = g.findText(val, Qt.MatchFixedString)
             if idx < 0:
                 idx = 0
-            g.setCurrentIndex(0)
+            g.setCurrentIndex(idx)
             return True
         return False