RangePicker.h

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00001 //# Copyright (C) 2005
00002 //# Associated Universities, Inc. Washington DC, USA.
00003 //#
00004 //# This library is free software; you can redistribute it and/or modify it
00005 //# under the terms of the GNU Library General Public License as published by
00006 //# the Free Software Foundation; either version 2 of the License, or (at your
00007 //# option) any later version.
00008 //#
00009 //# This library is distributed in the hope that it will be useful, but WITHOUT
00010 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011 //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012 //# License for more details.
00013 //#
00014 //# You should have received a copy of the GNU Library General Public License
00015 //# along with this library; if not, write to the Free Software Foundation,
00016 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
00017 //#
00018 //# Correspondence concerning AIPS++ should be addressed as follows:
00019 //#        Internet email: aips2-request@nrao.edu.
00020 //#        Postal address: AIPS++ Project Office
00021 //#                        National Radio Astronomy Observatory
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00023 //#                        Charlottesville, VA 22903-2475 USA
00024 //#
00025 #ifndef RANGEPICKER_H_
00026 #define RANGEPICKER_H_
00027 
00028 #include <qwt_plot_marker.h>
00029 
00030 class QPainter;
00031 
00032 namespace casa {
00033 
00034 class HeightSource;
00035 
00040 class RangePicker : public QwtPlotMarker {
00041 public:
00042         RangePicker();
00043         virtual void draw (QPainter* p, const QwtScaleMap &xMap, const QwtScaleMap
00044                         &yMap, const QRect &) const;
00045         void setHeightSource( HeightSource* heightSource );
00046         void boundaryLineMoved( const QPoint& pos );
00047         int getLowerBound() const;
00048         int getUpperBound() const;
00049         void setBoundaryValues( int minX, int maxX );
00050         void setLineMode( bool lineMode );
00051         void reset();
00052         virtual ~RangePicker();
00053 private:
00054         void _drawBoundary( QPainter* painter, int rectHeight ) const;
00055         RangePicker( const RangePicker& );
00056         RangePicker& operator=( const RangePicker& );
00057         HeightSource* heightSource;
00058         int lowerBound;
00059         int upperBound;
00060         bool rangeSet;
00061         bool lineMode;
00062 
00063 };
00064 
00065 
00066 } /* namespace casa */
00067 #endif /* RANGEPICKER_H_ */