[pitivi] ui.prefs: add font preference option and test case

[Edward Hervey <edwardrv src gnome org>]

commit 1b7e8a2a20aedb0c4ad552bbbefa4ca5bd0875ff
Author: Brandon Lewis <brandon lewis berkeley edu>
Date:   Wed Apr 29 23:24:49 2009 -0700

    ui.prefs: add font preference option and test case
---
 pitivi/settings.py |    2 +-
 pitivi/ui/prefs.py |   25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletions(-)

diff --git a/pitivi/settings.py b/pitivi/settings.py
index 6734d1a..03ce3f5 100644
--- a/pitivi/settings.py
+++ b/pitivi/settings.py
@@ -328,13 +328,13 @@ class GlobalSettings(object, Signallable):
         if notify:
             setattr(cls, attrname, Notification(attrname))
             setattr(cls, "_" + attrname, default)
-            cls.defaults[attrname] = default
             cls.__signals__[attrname + 'Changed'] = []
         else:
             setattr(cls, attrname, default)
         if section and key:
             cls.options[section][attrname] = type_, key, environment
         cls.environment.add(environment)
+        cls.defaults[attrname] = default
 
     @classmethod
     def addConfigSection(cls, section):
diff --git a/pitivi/ui/prefs.py b/pitivi/ui/prefs.py
index bdcfde3..f33daf2 100644
--- a/pitivi/ui/prefs.py
+++ b/pitivi/ui/prefs.py
@@ -274,6 +274,25 @@ class PreferencesDialog(gtk.Window):
         cls.addPreference(attrname, label, description, section,
             dynamic.ColorWidget, value_type=value_type)
 
+    @classmethod
+    def addFontPreference(cls, attrname, label, description, section=None):
+        """
+        Add an auto-generated user preference that will show up as a
+        font selector.
+
+        @param label: user-visible name for this option
+        @type label: C{str}
+        @param desc: a user-visible description documenting this option
+        (ignored unless prefs_label is non-null)
+        @type desc: C{str}
+        @param section: user-visible category to which this option
+        belongs (ignored unless prefs_label is non-null)
+        @type section: C{str}
+        """
+        cls.addPreference(attrname, label, description, section,
+            dynamic.FontWidget)
+
+
 ## Implementation
 
     def _fillContents(self):
@@ -401,6 +420,7 @@ if False:
         ('aChoicePreference', 42),
         ('aLongChoicePreference', "Mauve"),
         ('aTogglePreference', True),
+        ('aFontPreference', "Sans 9"),
     )
 
     for attrname, default in options:
@@ -468,3 +488,8 @@ if False:
         label = "Test Toggle",
         section = "Test",
         description = "Test the toggle widget")
+
+    PreferencesDialog.addFontPreference('aFontPreference',
+        label = "Foo Font",
+        section = "Test",
+        description = "Test the font widget")