Update combobox in prefs window to reflect theme changes

src/config.py

@@ -207,16 +207,7 @@ class PreferencesWindow:
 		cell = gtk.CellRendererText()
 		theme_combobox.pack_start(cell, True)
 		theme_combobox.add_attribute(cell, 'text', 0)
-		model = gtk.ListStore(str)
-		theme_combobox.set_model(model)
-
-		i = 0
-		for config_theme in gajim.config.get_per('themes'):
-			theme = config_theme.replace('_', ' ')
-			model.append([theme])
-			if gajim.config.get('roster_theme') == config_theme:
-				theme_combobox.set_active(i)
-			i += 1
+		self.update_theme_list()
 
 		# use speller
 		if os.name == 'nt':
@@ -645,6 +636,18 @@ class PreferencesWindow:
 		gajim.interface.roster.change_roster_style(None)
 		gajim.interface.save_config()
 
+	def update_theme_list(self):
+		theme_combobox = self.xml.get_widget('theme_combobox')
+		model = gtk.ListStore(str)
+                theme_combobox.set_model(model) 
+		i = 0
+		for config_theme in gajim.config.get_per('themes'):
+			theme = config_theme.replace('_', ' ')
+			model.append([theme])
+			if gajim.config.get('roster_theme') == config_theme:
+				theme_combobox.set_active(i)
+			i += 1
+
 	def on_open_advanced_notifications_button_clicked(self, widget):
 		dialogs.AdvancedNotificationsWindow()
 

src/gajim_themes_window.py

@@ -83,6 +83,8 @@ class GajimThemesWindow:
 		return True # do NOT destroy the window
 	
 	def on_close_button_clicked(self, widget):
+		if gajim.interface.instances.has_key('preferences'):
+			gajim.interface.instances['preferences'].update_theme_list()
 		self.window.hide()
 
 	def on_theme_cell_edited(self, cell, row, new_name):