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Diffstat (limited to 'kstars/kstars/tools/wutdialog.cpp')
| -rw-r--r-- | kstars/kstars/tools/wutdialog.cpp | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/kstars/kstars/tools/wutdialog.cpp b/kstars/kstars/tools/wutdialog.cpp new file mode 100644 index 00000000..b046a550 --- /dev/null +++ b/kstars/kstars/tools/wutdialog.cpp @@ -0,0 +1,444 @@ +/*************************************************************************** + wutdialog.cpp - K Desktop Planetarium + ------------------- + begin : Die Feb 25 2003 + copyright : (C) 2003 by Thomas Kabelmann + email : tk78@gmx.de + ***************************************************************************/ + +/*************************************************************************** + * * + * 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 "wutdialog.h" +#include "wutdialogui.h" + +#include "kstars.h" +#include "kstarsdata.h" +#include "skymap.h" +#include "ksnumbers.h" +#include "skyobjectname.h" +#include "objectnamelist.h" +#include "simclock.h" +#include "detaildialog.h" +#include "locationdialog.h" +#include "timedialog.h" +#include "kssun.h" +#include "ksmoon.h" + +#include <kcombobox.h> +#include <klocale.h> +#include <klistbox.h> +#include <kpushbutton.h> + +#include <qgroupbox.h> +#include <qlabel.h> +#include <qlayout.h> +#include <qframe.h> +#include <qtabbar.h> +#include <qtimer.h> +#include <qcursor.h> + +WUTDialog::WUTDialog(KStars *ks) : + KDialogBase (KDialogBase::Plain, i18n("What's up Tonight"), Close, Close, (QWidget*)ks), + kstars(ks), EveningFlag(0) { + + QFrame *page = plainPage(); + setMainWidget(page); + QVBoxLayout *vlay = new QVBoxLayout( page, 0, spacingHint() ); + WUT = new WUTDialogUI( page ); + vlay->addWidget( WUT ); + + objectList = &(ks->data()->ObjNames); +// objectList->setLanguage( Options::useLatinConstellNames() ); + + //initialize location and date to current KStars settings: + geo = kstars->geo(); + + T0 = kstars->data()->lt(); + //If the Time is earlier than 6:00 am, assume the user wants the night of the previous date + if ( T0.time().hour() < 6 ) + T0 = T0.addDays( -1 ); + + //Now, set time T0 to midnight (of the following day) + T0.setTime( QTime( 0, 0, 0 ) ); + T0 = T0.addDays( 1 ); + UT0 = geo->LTtoUT( T0 ); + + //Set the Tomorrow date/time to Noon the following day + Tomorrow = T0.addSecs( 12*3600 ); + TomorrowUT = geo->LTtoUT( Tomorrow ); + + //Set the Evening date/time to 6:00 pm + Evening = T0.addSecs( -6*3600 ); + EveningUT = geo->LTtoUT( Evening ); + + QString sGeo = geo->translatedName(); + if ( ! geo->translatedProvince().isEmpty() ) sGeo += ", " + geo->translatedProvince(); + sGeo += ", " + geo->translatedCountry(); + WUT->LocationLabel->setText( i18n( "at %1" ).arg( sGeo ) ); + WUT->DateLabel->setText( i18n( "The night of %1" ).arg( Evening.date().toString( Qt::LocalDate ) ) ); + + initCategories(); + + makeConnections(); + + QTimer::singleShot(0, this, SLOT(init())); +} + +WUTDialog::~WUTDialog(){ +} + +void WUTDialog::makeConnections() { + connect( WUT->DateButton, SIGNAL( clicked() ), SLOT( slotChangeDate() ) ); + connect( WUT->LocationButton, SIGNAL( clicked() ), SLOT( slotChangeLocation() ) ); + connect( WUT->CenterButton, SIGNAL( clicked() ), SLOT( slotCenter() ) ); + connect( WUT->DetailButton, SIGNAL( clicked() ), SLOT( slotDetails() ) ); + connect( WUT->CategoryListBox, SIGNAL( highlighted(int) ), SLOT( slotLoadList(int) ) ); + connect( WUT->ObjectListBox, SIGNAL( selectionChanged(QListBoxItem*) ), + SLOT( slotDisplayObject(QListBoxItem*) ) ); + connect( WUT->EveningMorningBox, SIGNAL( activated(int) ), SLOT( slotEveningMorning(int) ) ); +} + +void WUTDialog::initCategories() { + WUT->CategoryListBox->insertItem( i18n( "Planets" ) ); + WUT->CategoryListBox->insertItem( i18n( "Comets" ) ); + WUT->CategoryListBox->insertItem( i18n( "Asteroids" ) ); + WUT->CategoryListBox->insertItem( i18n( "Stars" ) ); + WUT->CategoryListBox->insertItem( i18n( "Constellations" ) ); + WUT->CategoryListBox->insertItem( i18n( "Star Clusters" ) ); + WUT->CategoryListBox->insertItem( i18n( "Nebulae" ) ); + WUT->CategoryListBox->insertItem( i18n( "Galaxies" ) ); + WUT->CategoryListBox->setSelected(0, true); +} + +void WUTDialog::init() { + QString sRise, sSet, sDuration; + + // reset all lists + for (int i=0; i<NCATEGORY; i++) { + lists.visibleList[i].clear(); + lists.initialized[i] = false; + } + + // sun almanac information + KSSun *oSun = (KSSun*) kstars->data()->PCat->planetSun(); + sunRiseTomorrow = oSun->riseSetTime( TomorrowUT, geo, true ); + sunSetToday = oSun->riseSetTime( EveningUT, geo, false ); + sunRiseToday = oSun->riseSetTime( EveningUT, geo, true ); + + //check to see if Sun is circumpolar + KSNumbers *num = new KSNumbers( UT0.djd() ); + KSNumbers *oldNum = new KSNumbers( kstars->data()->ut().djd() ); + dms LST = geo->GSTtoLST( T0.gst() ); + + oSun->updateCoords( num, true, geo->lat(), &LST ); + if ( oSun->checkCircumpolar( geo->lat() ) ) { + if ( oSun->alt()->Degrees() > 0.0 ) { + sRise = i18n( "circumpolar" ); + sSet = i18n( "circumpolar" ); + sDuration = "00:00"; + } else { + sRise = i18n( "does not rise" ); + sSet = i18n( "does not rise" ); + sDuration = "24:00"; + } + } else { + //Round times to the nearest minute by adding 30 seconds to the time + sRise = sunRiseTomorrow.addSecs(30).toString("hh:mm"); + sSet = sunSetToday.addSecs(30).toString("hh:mm"); + + float Dur = 24.0 + (float)sunRiseTomorrow.hour() + + (float)sunRiseTomorrow.minute()/60.0 + + (float)sunRiseTomorrow.second()/3600.0 + - (float)sunSetToday.hour() + - (float)sunSetToday.minute()/60.0 + - (float)sunSetToday.second()/3600.0; + int hDur = int(Dur); + int mDur = int(60.0*(Dur - (float)hDur)); + sDuration = QString().sprintf( "%02d:%02d", hDur, mDur ); + } + + WUT->SunSetLabel->setText( i18n( "Sunset: %1" ).arg(sSet) ); + WUT->SunRiseLabel->setText( i18n( "Sunrise: %1" ).arg(sRise) ); + WUT->NightDurationLabel->setText( i18n( "Night duration: %1 hours" ).arg( sDuration ) ); + + // moon almanac information + KSMoon *oMoon = (KSMoon*) kstars->data()->Moon; + moonRise = oMoon->riseSetTime( UT0, geo, true ); + moonSet = oMoon->riseSetTime( UT0, geo, false ); + + //check to see if Moon is circumpolar + oMoon->updateCoords( num, true, geo->lat(), &LST ); + if ( oMoon->checkCircumpolar( geo->lat() ) ) { + if ( oMoon->alt()->Degrees() > 0.0 ) { + sRise = i18n( "circumpolar" ); + sSet = i18n( "circumpolar" ); + } else { + sRise = i18n( "does not rise" ); + sSet = i18n( "does not rise" ); + } + } else { + //Round times to the nearest minute by adding 30 seconds to the time + sRise = moonRise.addSecs(30).toString("hh:mm"); + sSet = moonSet.addSecs(30).toString("hh:mm"); + } + + WUT->MoonRiseLabel->setText( i18n( "Moon rises at: %1" ).arg( sRise ) ); + WUT->MoonSetLabel->setText( i18n( "Moon sets at: %1" ).arg( sSet ) ); + oMoon->findPhase( oSun ); + WUT->MoonIllumLabel->setText( oMoon->phaseName() + QString( " (%1%)" ).arg( + int(100.0*oMoon->illum() ) ) ); + + //Restore Sun's and Moon's coordinates, and recompute Moon's original Phase + oMoon->updateCoords( oldNum, true, geo->lat(), kstars->LST() ); + oSun->updateCoords( oldNum, true, geo->lat(), kstars->LST() ); + oMoon->findPhase( oSun ); + + splitObjectList(); + // load first list + slotLoadList(0); + + delete num; + delete oldNum; +} + +void WUTDialog::splitObjectList() { + // don't append objects which are never visible + for (SkyObjectName *oname=objectList->first(); oname; oname=objectList->next()) { + bool visible = true; + SkyObject *o = oname->skyObject(); + // is object circumpolar or never visible + if (o->checkCircumpolar(geo->lat()) == true) { + // never visible + if (o->alt()->Degrees() <= 0) visible = false; + } + if (visible == true) appendToList(oname); + } +} + +void WUTDialog::appendToList(SkyObjectName *o) { + // split into several lists + switch (o->skyObject()->type()) { + //case SkyObject::CATALOG_STAR : //Omitting CATALOG_STARs from list + case SkyObject::PLANET : lists.visibleList[0].append(o); break; + case SkyObject::COMET : lists.visibleList[1].append(o); break; + case SkyObject::ASTEROID : lists.visibleList[2].append(o); break; + case SkyObject::STAR : lists.visibleList[3].append(o); break; + case SkyObject::CONSTELLATION : lists.visibleList[4].append(o); break; + case SkyObject::OPEN_CLUSTER : + case SkyObject::GLOBULAR_CLUSTER : lists.visibleList[5].append(o); break; + case SkyObject::GASEOUS_NEBULA : + case SkyObject::PLANETARY_NEBULA : + case SkyObject::SUPERNOVA_REMNANT : lists.visibleList[6].append(o); break; + case SkyObject::GALAXY : lists.visibleList[7].append(o); break; + } +} + +void WUTDialog::slotLoadList(int i) { + WUT->ObjectListBox->clear(); + setCursor(QCursor(Qt::WaitCursor)); + QPtrList <SkyObjectName> invisibleList; + for (SkyObjectName *oname=lists.visibleList[i].first(); oname; oname=lists.visibleList[i].next()) { + bool visible = true; + if (lists.initialized[i] == false) { + if (i == 0) { //planets, sun and moon + if (oname->skyObject()->name() == "Sun" ) visible = false; // don't ever display the sun + else visible = checkVisibility(oname); + } + if (visible == false) { + // collect all invisible objects + invisibleList.append(oname); + } + } + // append to listbox + if (visible == true) new SkyObjectNameListItem(WUT->ObjectListBox, oname); + } + // remove all invisible objects from list + if (invisibleList.isEmpty() == false) { + for (SkyObjectName *o=invisibleList.first(); o; o=invisibleList.next()) { + lists.visibleList[i].removeRef(o); + } + } + setCursor(QCursor(Qt::ArrowCursor)); + lists.initialized[i] = true; + + // highlight first item + if ( WUT->ObjectListBox->count() ) { + WUT->ObjectListBox->setSelected(0, true); + WUT->ObjectListBox->setFocus(); + } +} + +bool WUTDialog::checkVisibility(SkyObjectName *oname) { + bool visible( false ); + double minAlt = 6.0; //An object is considered 'visible' if it is above horizon during civil twilight. + + //Initial values for T1, T2 assume all night option of EveningMorningBox + KStarsDateTime T1 = Evening; + T1.setTime( sunSetToday ); + KStarsDateTime T2 = Tomorrow; + T2.setTime( sunRiseTomorrow ); + + //Check Evening/Morning only state: + if ( EveningFlag==0 ) { //Evening only + T2 = T0; //midnight + } else if ( EveningFlag==1 ) { //Morning only + T1 = T0; //midnight + } + + for ( KStarsDateTime test = T1; test < T2; test = test.addSecs(3600) ) { + //Need LST of the test time, expressed as a dms object. + KStarsDateTime ut = geo->LTtoUT( test ); + dms LST = geo->GSTtoLST( ut.gst() ); + SkyPoint sp = oname->skyObject()->recomputeCoords( ut, geo ); + + //check altitude of object at this time. + sp.EquatorialToHorizontal( &LST, geo->lat() ); + + if ( sp.alt()->Degrees() > minAlt ) { + visible = true; + break; + } + } + + return visible; +} + +void WUTDialog::slotDisplayObject(QListBoxItem *item) { + QTime tRise, tSet, tTransit; + QString sRise, sTransit, sSet; + + if ( item==0 ) { //no object selected + WUT->ObjectBox->setTitle( i18n( "No Object Selected" ) ); + + sRise = "--:--"; + sTransit = "--:--"; + sSet = "--:--"; + WUT->DetailButton->setEnabled( false ); + } else { + SkyObject *o = ((SkyObjectNameListItem*)item)->objName()->skyObject(); + WUT->ObjectBox->setTitle( o->name() ); + + if ( o->checkCircumpolar( geo->lat() ) ) { + if ( o->alt()->Degrees() > 0.0 ) { + sRise = i18n( "circumpolar" ); + sSet = i18n( "circumpolar" ); + } else { + sRise = i18n( "does not rise" ); + sSet = i18n( "does not rise" ); + } + } else { + tRise = o->riseSetTime( T0, geo, true ); + tSet = o->riseSetTime( T0, geo, false ); +// if ( tSet < tRise ) +// tSet = o->riseSetTime( JDTomorrow, geo, false ); + + sRise = QString().sprintf( "%02d:%02d", tRise.hour(), tRise.minute() ); + sSet = QString().sprintf( "%02d:%02d", tSet.hour(), tSet.minute() ); + } + + tTransit = o->transitTime( T0, geo ); +// if ( tTransit < tRise ) +// tTransit = o->transitTime( JDTomorrow, geo ); + + sTransit = QString().sprintf( "%02d:%02d", tTransit.hour(), tTransit.minute() ); + + WUT->DetailButton->setEnabled( true ); + } + + WUT->ObjectRiseLabel->setText( i18n( "Rises at: %1" ).arg( sRise ) ); + WUT->ObjectTransitLabel->setText( i18n( "Transits at: %1" ).arg( sTransit ) ); + WUT->ObjectSetLabel->setText( i18n( "Sets at: %1" ).arg( sSet ) ); +} + +void WUTDialog::slotCenter() { + SkyObject *o = 0; + // get selected item + if (WUT->ObjectListBox->selectedItem() != 0) { + o = ((SkyObjectNameListItem*)WUT->ObjectListBox->selectedItem())->objName()->skyObject(); + } + if (o != 0) { + kstars->map()->setFocusPoint( o ); + kstars->map()->setFocusObject( o ); + kstars->map()->setDestination( kstars->map()->focusPoint() ); + } +} + +void WUTDialog::slotDetails() { + SkyObject *o = 0; + // get selected item + if (WUT->ObjectListBox->selectedItem() != 0) { + o = ((SkyObjectNameListItem*)WUT->ObjectListBox->selectedItem())->objName()->skyObject(); + } + if (o != 0) { + DetailDialog detail(o, kstars->data()->LTime, geo, kstars); + detail.exec(); + } +} + +void WUTDialog::slotChangeDate() { + TimeDialog td( T0, this ); + if ( td.exec() == QDialog::Accepted ) { + T0 = td.selectedDateTime(); + //If the Time is earlier than 6:00 am, assume the user wants the night of the previous date + if ( T0.time().hour() < 6 ) + T0 = T0.addDays( -1 ); + + //Now, set time T0 to midnight (of the following day) + T0.setTime( QTime( 0, 0, 0 ) ); + T0 = T0.addDays( 1 ); + UT0 = geo->LTtoUT( T0 ); + + //Set the Tomorrow date/time to Noon the following day + Tomorrow = T0.addSecs( 12*3600 ); + TomorrowUT = geo->LTtoUT( Tomorrow ); + + //Set the Evening date/time to 6:00 pm + Evening = T0.addSecs( -6*3600 ); + EveningUT = geo->LTtoUT( Evening ); + + WUT->DateLabel->setText( i18n( "The night of %1" ).arg( Evening.date().toString() ) ); + + int i = WUT->CategoryListBox->currentItem(); + init(); + slotLoadList( i ); + } +} + +void WUTDialog::slotChangeLocation() { + LocationDialog ld( kstars ); + if ( ld.exec() == QDialog::Accepted ) { + GeoLocation *newGeo = ld.selectedCity(); + if ( newGeo ) { + geo = newGeo; + UT0 = geo->LTtoUT( T0 ); + TomorrowUT = geo->LTtoUT( Tomorrow ); + EveningUT = geo->LTtoUT( Evening ); + + WUT->LocationLabel->setText( i18n( "at %1" ).arg( geo->fullName() ) ); + + int i = WUT->CategoryListBox->currentItem(); + init(); + slotLoadList( i ); + } + } +} + +void WUTDialog::slotEveningMorning( int index ) { + if ( EveningFlag != index ) { + EveningFlag = index; +// splitObjectList(); +// slotLoadList( WUT->CategoryListBox->currentItem() ); + int i = WUT->CategoryListBox->currentItem(); + init(); + slotLoadList( i ); + } +} + +#include "wutdialog.moc" |