Source
CrosshairEvent(WorldCanvas *wc, const casacore::Int pixX, const casacore::Int pixY,
//# CrosshairEvent.h: class for MWCCrosshairTool point selection event.
//# Copyright (C) 1993,1994,1995,1996,1998,1999,2000,2002,2003
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
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//# $Id$
namespace casa { //# NAMESPACE CASA - BEGIN
class WorldCanvas;
// <summary>
// WorldCanvasEvent:contains info on the WC point selected by MWCCrosshairTool
// </summary>
// <use visibility=export>
// <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos="">
// </reviewed>
// <etymology>
// "CrosshairEvent" holds information about a point selected by the user
// with the MWCCrosshairTool.
// </etymology>
// <synopsis>
// CrosshairEvent is created by
// <linkto class="MWCCrosshairTool">MWCCrosshairTool</linkto>
// when a point is selected by the crosshair on a
// <linkto class="WorldCanvas">WorldCanvas</linkto> draw area.
// The event is passed (via WorldCanvas::handleEvent()) to the generic
// <linkto class="DisplayEH">DisplayEH</linkto>s
// registered with the WorldCanvas.
// </synopsis>
// <motivation>
// A mechanism was needed to notify library objects associated with a