QtRegionManager.qo.h

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//# QtRegionManager.qo.h: Qt implementation of viewer region manager window.
//# (This is the gui part only; it connects to region functions within
//# QtDisplayPanel).
//# Copyright (C) 2005
//# 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
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
//# $Id$

#ifndef QTREGIONMANAGER_H
#define QTREGIONMANAGER_H

#include <casa/aips.h>
#include <casa/Containers/List.h>
#include <display/QtViewer/QtDisplayPanel.qo.h>
#include <display/DisplayDatas/DisplayData.h>

#include <graphics/X11/X_enter.h>
#include <QtCore>
#include <QtGui>
#include <QHash>
//#dk Be careful to put *.ui.h within X_enter/exit bracket too,
//#   because they'll have Qt includes.
//#   E.g. <QApplication> needs the X11 definition of 'Display'
#include <display/QtViewer/QtRegionMgr.ui.h>
#include <graphics/X11/X_exit.h>


namespace casa { //# NAMESPACE CASA - BEGIN

        class QtViewer;
        class ImageRegion;
        class Record;
        class RSComposite;
        class WCUnion;
        template <class T> class PtrBlock;


        class QtRegionManager : public QWidget, protected Ui::QtRegionMgr {

                Q_OBJECT


        public:

                QtRegionManager(QtDisplayPanel* qdp, QWidget* parent=0);

                ~QtRegionManager() {  }

        public slots:
                void changeAxis(String, String, String);
                void activate(Record);

        protected slots:
                //draw region on viewer
                void drawRegion(Record mousereg, WorldCanvasHolder *wch);
                // React to new region creation in display panel.
                void newRegion_(String imgFilename);

                // Load region from current displayed image
                void loadRegionFromImage();
                // Load region from ds9 or aipsbox or rgn file
                void loadRegionFromFile();

                //save region into image
                void saveRegionInImage();
                // react to SaveRgnn, save region to file
                void saveRegionInFile();
                //remove region from image
                void removeRegion();

                void toggleImageRegion();
                void zPlaneChanged();
                void currentRegionChanged(const QString &);
                void showHelp();
                void showHelpActive();

                //convert region to shape
                RSComposite *regionToShape(
                    QtDisplayData* qdd, const ImageRegion* wcreg);

                // Cleanup on destruction
                void cleanup();

                void deleteActiveBox();
                void insertActiveBox();

                // set up plane only or extending by channel and pol
                void singlePlane();
                void extendChan();
                void extendPol();

                void resetRegionExtension();

                void loadRegionsImageFromFile();
                DisplayData* getImageData(QString);
                DisplayData* getBoundingBoxData(QString);

                //delete region from image
                void deleteRegion();
                //show/hide region
                void showHideRegion();

                void flashActive();
                void exportRegions();

        public:
                bool planeAllowed(int, String&, String&);

        protected:
                void addRegionsToShape(RSComposite*& theShapes,
                                       const WCRegion*& wcreg);
                WCUnion* unfoldCompositeRegionToSimpleUnion(const WCRegion*& wcreg);
                void displaySelectedRegion();
                void showRegion(const String& regName);

                bool deleteBox(QString&, int);
                bool insertBox(QString&);
                void rotateBox(int);

                void addRegionToMenu(const QString&, const QString&);

                QtDisplayPanel* qdp_;
                QWidget* parent_;

        private:
                PtrBlock<const ImageRegion * >  unionRegions_p;
                List<RegionShape*> regShapes_p;
                void unfoldIntoSimpleRegionPtrs(PtrBlock<const WCRegion*>& outRegPtrs, const WCRegion*& wcreg);
                QHash<QString, DisplayData*> regData;
                QHash<QString, bool> regState;
                QMenu *showHideMenu;
                QMenu *deleteMenu;

                QString activeGroup;
                int activeBox;
                RegionShape* activeShape;
                QTimer* timer;
                bool flash;

                int cb;

        signals:
                void extendRegion(String, String);

        };


} //# NAMESPACE CASA - END

#endif