[the-board] [ui] Emit "drag-motion" when dragging Thing's main box

[Lucas Rocha <lucasr src gnome org>]

commit 3733d001141fbdacec3b5d26559f1d83a7fafcdb
Author: Lucas Rocha <lucasr gnome org>
Date:   Thu Jan 13 21:39:30 2011 +0000

    [ui] Emit "drag-motion" when dragging Thing's main box
    
    To be used by Page to handle multiple selected things to move.

 src/js/ui/thing.js |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/js/ui/thing.js b/src/js/ui/thing.js
index d3366cd..432c148 100644
--- a/src/js/ui/thing.js
+++ b/src/js/ui/thing.js
@@ -326,6 +326,8 @@ Thing.prototype = {
 
         this._updatePosition(newX, newY,
                              false /* not from state */);
+
+        this.emit("drag-motion", deltaX, deltaY);
     },
 
     _onMainBoxDragBegin : function(action, actor, eventX, eventY, modifiers) {