revamp and improve some code

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4214 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/dvevent/dveventaddshape.cpp

@@ -161,6 +161,7 @@ bool DVEventAddShape::mouseReleaseEvent(QMouseEvent *event)
 			//Else (no shape), we set to false the running status
 			//for indicate to the owner of this event that everything is done
 		m_running = false;
+		emit finish();
 		return true;
 	}