File indexing completed on 2024-04-28 07:32:36

 /*
     SPDX-FileCopyrightText: 2002 Jason Harris <kstars@30doradus.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "modcalcaltaz.h"
 
 #include "geolocation.h"
 #include "kstars.h"
 #include "kstarsdata.h"
 #include "kstarsdatetime.h"
 #include "dialogs/finddialog.h"
 #include "dialogs/locationdialog.h"
 #include "skyobjects/skypoint.h"
 #include "widgets/dmsbox.h"
 
 #include <KLocalizedString>
 #include <KMessageBox>
 
 #include <QTextStream>
 #include <QFileDialog>
 
 modCalcAltAz::modCalcAltAz(QWidget *parentSplit) : QFrame(parentSplit)
 {
     setupUi(this);
 
     KStarsData *data = KStarsData::Instance();
     RA->setUnits(dmsBox::HOURS);
 
     //Initialize Date/Time and Location data
     geoPlace = data->geo();
     LocationButton->setText(geoPlace->fullName());
 
     //Make sure slotDateTime() gets called, so that LST will be set
     connect(DateTime, SIGNAL(dateTimeChanged(QDateTime)), this, SLOT(slotDateTimeChanged(QDateTime)));
     DateTime->setDateTime(data->lt());
 
     connect(NowButton, SIGNAL(clicked()), this, SLOT(slotNow()));
     connect(LocationButton, SIGNAL(clicked()), this, SLOT(slotLocation()));
     connect(ObjectButton, SIGNAL(clicked()), this, SLOT(slotObject()));
 
     connect(RA, SIGNAL(editingFinished()), this, SLOT(slotCompute()));
     connect(Dec, SIGNAL(editingFinished()), this, SLOT(slotCompute()));
     connect(Az, SIGNAL(editingFinished()), this, SLOT(slotCompute()));
     connect(Alt, SIGNAL(editingFinished()), this, SLOT(slotCompute()));
 
     show();
 }
 
 void modCalcAltAz::slotNow()
 {
     DateTime->setDateTime(KStarsDateTime::currentDateTime());
     slotCompute();
 }
 
 void modCalcAltAz::slotLocation()
 {
     QPointer<LocationDialog> ld = new LocationDialog(this);
     if (ld->exec() == QDialog::Accepted)
     {
         GeoLocation *newGeo = ld->selectedCity();
         if (newGeo)
         {
             geoPlace = newGeo;
             LocationButton->setText(geoPlace->fullName());
             slotCompute();
         }
     }
     delete ld;
 }
 
 void modCalcAltAz::slotObject()
 {
     if (FindDialog::Instance()->exec() == QDialog::Accepted)
     {
         SkyObject *o = FindDialog::Instance()->targetObject();
         RA->show(o->ra());
         Dec->show(o->dec());
         slotCompute();
     }
 }
 
 void modCalcAltAz::slotDateTimeChanged(const QDateTime &dt)
 {
     KStarsDateTime ut = geoPlace->LTtoUT(KStarsDateTime(dt));
     LST               = geoPlace->GSTtoLST(ut.gst());
 }
 
 void modCalcAltAz::slotCompute()
 {
     //Determine whether we are calculating Alt/Az coordinates from RA/Dec,
     //or vice versa.  We calculate Alt/Az by default, unless the signal
     //was sent by changing the Az or Alt value.
     if (sender()->objectName() == "Az" || sender()->objectName() == "Alt")
     {
         //Validate Az and Alt coordinates
         bool ok(false);
         dms alt;
         dms az = Az->createDms(&ok);
         if (ok)
             alt = Alt->createDms(&ok);
         if (ok)
         {
             SkyPoint sp;
             sp.setAz(az);
             sp.setAlt(alt);
             sp.HorizontalToEquatorial(&LST, geoPlace->lat());
             RA->show(sp.ra());
             Dec->show(sp.dec());
         }
     }
     else
     {
         //Validate RA and Dec coordinates
         bool ok(false);
         dms ra;
         dms dec = Dec->createDms(&ok);
         if (ok)
             ra = RA->createDms(&ok);
         if (ok)
         {
             SkyPoint sp(ra, dec);
             sp.EquatorialToHorizontal(&LST, geoPlace->lat());
             Az->show(sp.az());
             Alt->show(sp.alt());
         }
     }
 }