@@ -722,6 +722,9 @@ class DragAction(object):

     def stop(self):

         pass

+    def abort(self):

+        pass

+

 class NullAction(DragAction):

@@ -746,6 +749,8 @@ class PanAction(DragAction):

     def stop(self):

         self.dot_widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.ARROW))

+    abort = stop

+

 class ZoomAction(DragAction):

@@ -784,6 +789,9 @@ class ZoomAreaAction(DragAction):

                                               self.stopmousey)

         self.dot_widget.zoom_to_area(x1, y1, x2, y2)

+    def abort(self):

+        self.dot_widget.queue_draw()

+

 class DotWidget(gtk.DrawingArea):

     """PyGTK widget that draws dot graphs."""

@@ -931,6 +939,10 @@ class DotWidget(gtk.DrawingArea):

             self.zoom_image(self.zoom_ratio / self.ZOOM_INCREMENT)

             self.queue_draw()

             return True

+        if event.keyval == gtk.keysyms.Escape:

+            self.drag_action.abort()

+            self.drag_action = NullAction(self)

+            return True

         return False

     def get_drag_action(self, event):

@@ -946,6 +958,7 @@ class DotWidget(gtk.DrawingArea):

     def on_area_button_press(self, area, event):

         self.animation.stop()

+        self.drag_action.abort()

         action_type = self.get_drag_action(event)

         self.drag_action = action_type(self)

         self.drag_action.on_button_press(event)