[yavgui] Allow transition adjustement with left click only.

* yavgui/src/g_transition.cc: Do that.

ChangeLog

+2009-08-06  d-halluin  <d-halluin@lrde.epita.fr>
+
+	[yavgui] Allow transition adjustement with left click only.
+
+	* yavgui/src/g_transition.cc: Do that.
+
 2009-08-06  d-halluin  <d-halluin@lrde.epita.fr>
 	[yavgui] Tweak dialog boxes.

yavgui/src/g_transition.cc

@@ -382,20 +382,23 @@ namespace gui
     void
     GTransition::mouseMoveEvent (QGraphicsSceneMouseEvent* event)
     {
-      if (label_grab_)
+      if (event->buttons() & Qt::LeftButton)
       {
-	label_point_distance_ -= (event->pos ().y ()
-				  - event->lastPos ().y ()) * 0.05;
+	if (label_grab_)
+	{
+	  label_point_distance_ -= (event->pos ().y ()
+				    - event->lastPos ().y ()) * 0.05;
+	}
+	else
+	{
+	  angle_ -= (event->pos ().x ()
+		     - event->lastPos ().x ()) * 0.05;
+	  quad_point_distance_ -= (event->pos ().y ()
+				   - event->lastPos ().y ()) * 0.1;
+	}
+
+	refresh ();
       }
-      else
-      {
- 	angle_ -= (event->pos ().x ()
- 		   - event->lastPos ().x ()) * 0.05;
-	quad_point_distance_ -= (event->pos ().y ()
-				 - event->lastPos ().y ()) * 0.1;
-      }
-
-      refresh ();
     }
 
     void