[pitivi] render: Stop rendering when the user presses Escape

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit 1a51f043ccd0612d1aac0785a62a7781e2218aa0
Author: Jean-FranÃois Fortin Tam <nekohayo gmail com>
Date:   Fri Jan 25 15:32:58 2013 -0500

    render: Stop rendering when the user presses Escape

 data/ui/renderingprogress.ui |    1 +
 pitivi/render.py             |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/renderingprogress.ui b/data/ui/renderingprogress.ui
index f525a8e..e79f101 100644
--- a/data/ui/renderingprogress.ui
+++ b/data/ui/renderingprogress.ui
@@ -9,6 +9,7 @@
     <property name="window_position">center-on-parent</property>
     <property name="default_width">400</property>
     <property name="type_hint">dialog</property>
+    <signal name="delete-event" handler="_deleteEventCb" swapped="no"/>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox2">
         <property name="visible">True</property>
diff --git a/pitivi/render.py b/pitivi/render.py
index 8c681d9..6a5d9ae 100644
--- a/pitivi/render.py
+++ b/pitivi/render.py
@@ -275,6 +275,10 @@ class RenderingProgressDialog(Signallable):
         else:
             self.progressbar.set_text(_("Estimating..."))
 
+    def _deleteEventCb(self, unused_dialog_widget, unused_event):
+        """If the user closes the window by pressing Escape, stop rendering"""
+        self.emit("cancel")
+
     def _cancelButtonClickedCb(self, unused_button):
         self.emit("cancel")