[pitivi] timeline: Properly update horizontal schrollbar when timeline duration changes

[Thibault Saunier <tsaunier src gnome org>]

commit a6c53bab95d7ea2fcb15112455ea1e3ac22949cd
Author: Thibault Saunier <thibault saunier collabora com>
Date:   Fri May 18 15:11:34 2012 -0400

    timeline: Properly update horizontal schrollbar when timeline duration changes

 pitivi/timeline/timeline.py |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 797a4b6..271c28e 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -1290,6 +1290,8 @@ class Timeline(gtk.Table, Loggable, Zoomable):
                     self._layerRemovedCb))
             self._layer_sig_ids.append(timeline.connect("notify::update",
                     self._timelineUpdateChangedCb))
+            self._layer_sig_ids.append(timeline.connect("notify::duration",
+                    self._timelineDurationChangedCb))
 
             # Make sure to set the current layer in use
             self._layerAddedCb(None, None)
@@ -1307,7 +1309,7 @@ class Timeline(gtk.Table, Loggable, Zoomable):
         for sigid in self._layer_sig_ids:
             self._timeline.disconnect(sigid)
 
-        # clear dictionaries
+        # clear list
         self._layer_sig_ids = []
 
         #Remove references to the ges timeline
@@ -1316,6 +1318,9 @@ class Timeline(gtk.Table, Loggable, Zoomable):
 
     timeline = property(getTimeline, setTimeline, delTimeline, "The GESTimeline")
 
+    def _timelineDurationChangedCb(self, timeline, unused_duration):
+        self.updateHScrollAdjustments()
+
     def _timelineUpdateChangedCb(self, unused, unsued2=None):
         if self.zoomed_fitted is True:
             self._setBestZoomRatio()
@@ -1561,6 +1566,4 @@ class Timeline(gtk.Table, Loggable, Zoomable):
         self.app.current.seeker.seek(timeline.props.duration)
         if self.zoomed_fitted is True:
             self._setBestZoomRatio()
-        else:
-            self.updateHScrollAdjustments()
         return False