diff options
Diffstat (limited to 'kstars/kstars/focusdialog.cpp')
| -rw-r--r-- | kstars/kstars/focusdialog.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/kstars/kstars/focusdialog.cpp b/kstars/kstars/focusdialog.cpp new file mode 100644 index 00000000..db08a570 --- /dev/null +++ b/kstars/kstars/focusdialog.cpp @@ -0,0 +1,164 @@ +/*************************************************************************** + focusdialog.cpp - description + ------------------- + begin : Sat Mar 23 2002 + copyright : (C) 2002 by Jason Harris + email : kstars@30doradus.org + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include <qtabwidget.h> +#include <qlayout.h> + +#include <kdebug.h> +#include <klocale.h> +#include <kmessagebox.h> + +#include <qstring.h> +#include <knumvalidator.h> + +#include "kstars.h" +#include "kstarsdata.h" +#include "dms.h" +#include "skypoint.h" +#include "dmsbox.h" +#include "focusdialog.h" + +FocusDialog::FocusDialog( QWidget *parent ) + : KDialogBase( KDialogBase::Plain, i18n( "Set Focus Manually" ), Ok|Cancel, Ok, parent ) { + + Point = 0; //initialize pointer to null + UsedAltAz = false; //assume RA/Dec by default + + QFrame *page = plainPage(); + setMainWidget(page); + QVBoxLayout *vlay = new QVBoxLayout( page, 0, spacingHint() ); + fdlg = new FocusDialogDlg(page); + fdlg->epochName->setValidator( new KDoubleValidator( fdlg->epochName ) ); + vlay->addWidget( fdlg ); + + connect( fdlg->raBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) ); + connect( fdlg->decBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) ); + connect( fdlg->azBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) ); + connect( fdlg->altBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) ); + connect( this, SIGNAL( okClicked() ), this, SLOT( validatePoint() ) ); + + fdlg->raBox->setDegType(false); //RA box should be HMS-style + fdlg->raBox->setFocus(); //set input focus + enableButtonOK( false ); //disable until both lineedits are filled +} + +FocusDialog::~FocusDialog(){ +} + +void FocusDialog::checkLineEdits() { + bool raOk(false), decOk(false), azOk(false), altOk(false); + fdlg->raBox->createDms( false, &raOk ); + fdlg->decBox->createDms( true, &decOk ); + fdlg->azBox->createDms( true, &azOk ); + fdlg->altBox->createDms( true, &altOk ); + if ( ( raOk && decOk ) || ( azOk && altOk ) ) + enableButtonOK( true ); + else + enableButtonOK( false ); +} + +void FocusDialog::slotOk() { + emit okClicked(); +} + +void FocusDialog::validatePoint() { + bool raOk(false), decOk(false), azOk(false), altOk(false); + dms ra( fdlg->raBox->createDms( false, &raOk ) ); //false means expressed in hours + dms dec( fdlg->decBox->createDms( true, &decOk ) ); + QString message; + + KStars *ks = (KStars*) parent(); + + if ( raOk && decOk ) { + //make sure values are in valid range + if ( ra.Hours() < 0.0 || ra.Hours() > 24.0 ) + message = i18n( "The Right Ascension value must be between 0.0 and 24.0." ); + if ( dec.Degrees() < -90.0 || dec.Degrees() > 90.0 ) + message += "\n" + i18n( "The Declination value must be between -90.0 and 90.0." ); + if ( ! message.isEmpty() ) { + KMessageBox::sorry( 0, message, i18n( "Invalid Coordinate Data" ) ); + return; + } + + Point = new SkyPoint( ra, dec ); + double epoch0 = getEpoch( fdlg->epochName->text() ); + long double jd0 = epochToJd ( epoch0 ); + Point->apparentCoord(jd0, ks->data()->ut().djd() ); + + QDialog::accept(); + } else { + dms az( fdlg->azBox->createDms( true, &azOk ) ); + dms alt( fdlg->altBox->createDms( true, &altOk ) ); + + if ( azOk && altOk ) { + //make sure values are in valid range + if ( az.Degrees() < 0.0 || az.Degrees() > 360.0 ) + message = i18n( "The Azimuth value must be between 0.0 and 360.0." ); + if ( alt.Degrees() < -90.0 || alt.Degrees() > 90.0 ) + message += "\n" + i18n( "The Altitude value must be between -90.0 and 90.0." ); + if ( ! message.isEmpty() ) { + KMessageBox::sorry( 0, message, i18n( "Invalid Coordinate Data" ) ); + return; + } + + Point = new SkyPoint(); + Point->setAz( az ); + Point->setAlt( alt ); + UsedAltAz = true; + + QDialog::accept(); + } else { + QDialog::reject(); + } + } +} + +double FocusDialog::getEpoch (QString eName) { + //If eName is empty (or not a number) assume 2000.0 + bool ok(false); + double epoch = eName.toDouble( &ok ); + if ( eName.isEmpty() || ! ok ) + return 2000.0; + + return epoch; +} + +long double FocusDialog::epochToJd (double epoch) { + + double yearsTo2000 = 2000.0 - epoch; + + if (epoch == 1950.0) { + return 2433282.4235; + } else if ( epoch == 2000.0 ) { + return J2000; + } else { + return ( J2000 - yearsTo2000 * 365.2425 ); + } + +} + + +QSize FocusDialog::sizeHint() const +{ + return QSize(240,210); +} + +void FocusDialog::activateAzAltPage() { + fdlg->fdTab->showPage( fdlg->aaTab ); + fdlg->azBox->setFocus(); +} +#include "focusdialog.moc" |