[pitivi] ui/timelinecanvas.py: fixed the precision of timeline selection by correcting the extra space betwee

[Edward Hervey <edwardrv src gnome org>]

commit f7840482402a61e0ea913aa677d5aa8c1f778774
Author: Luis de Bethencourt <luis debethencourt com>
Date:   Wed Sep 8 17:12:01 2010 +0200

    ui/timelinecanvas.py: fixed the precision of timeline selection by correcting the extra space between the visual clip and the canvas clip.

 pitivi/ui/curve.py          |    4 ++--
 pitivi/ui/timelinecanvas.py |   10 +++-------
 2 files changed, 5 insertions(+), 9 deletions(-)
---
diff --git a/pitivi/ui/curve.py b/pitivi/ui/curve.py
index 6e2d41c..581be8c 100644
--- a/pitivi/ui/curve.py
+++ b/pitivi/ui/curve.py
@@ -200,7 +200,7 @@ class Curve(goocanvas.ItemSimple, goocanvas.Item, View, Zoomable):
         if self.element.factory:
             self.visible_width = self.nsToPixel(self.element.duration)
             self.bounds = goocanvas.Bounds(0, 0,
-                self.visible_width + KW_LABEL_X_OVERFLOW, 
+                self.visible_width + KW_LABEL_X_OVERFLOW,
                 self.height + KW_LABEL_Y_OVERFLOW)
 
     def _getKeyframeXY(self, kf):
@@ -224,7 +224,7 @@ class Curve(goocanvas.ItemSimple, goocanvas.Item, View, Zoomable):
             # set clipping region to the visible portion of the clip
             vis_bounds = intersect(
                 goocanvas.Bounds(
-                    self.bounds.x1, self.bounds.y1 + KW_LABEL_Y_OVERFLOW, 
+                    self.bounds.x1, self.bounds.y1 + KW_LABEL_Y_OVERFLOW,
                     self.bounds.x2 - KW_LABEL_X_OVERFLOW, self.bounds.y2), bounds)
             vis_width = vis_bounds.x2 - vis_bounds.x1
             vis_height = vis_bounds.y2 - vis_bounds.y1
diff --git a/pitivi/ui/timelinecanvas.py b/pitivi/ui/timelinecanvas.py
index 9316807..0e805a4 100644
--- a/pitivi/ui/timelinecanvas.py
+++ b/pitivi/ui/timelinecanvas.py
@@ -212,15 +212,13 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
             y -= h
         return (x, y), (w, h)
 
-
     def _selectionDrag(self, item, target, event):
         if self._selecting:
             self._got_motion_notify = True
             cur = self.from_event(event)
             pos, size = self._normalize(self._mousedown, cur)
-            m = self._marquee
-            m.props.x, m.props.y = pos
-            m.props.width, m.props.height = size
+            self._marquee.props.x, self._marquee.props.y = pos
+            self._marquee.props.width, self._marquee.props.height = size
             return True
         return False
 
@@ -228,8 +226,6 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
         self._selecting = True
         self._marquee.props.visibility = goocanvas.ITEM_VISIBLE
         self._mousedown = self.from_event(event)
-        self._marquee.props.width = 0
-        self._marquee.props.height = 0
         self.pointer_grab(self.get_root_item(), gtk.gdk.POINTER_MOTION_MASK |
             gtk.gdk.BUTTON_RELEASE_MASK, self._cursor, event.time)
         return True
@@ -257,7 +253,7 @@ class TimelineCanvas(goocanvas.Canvas, Zoomable, Loggable):
             True)
         if items:
             return set((item.element for item in items if isinstance(item,
-                TrackObject)))
+                TrackObject) and item.bg in items))
         return set()
 
 ## playhead implementation