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