File indexing completed on 2024-04-21 14:46:34

 /*
     SPDX-FileCopyrightText: 2005 Thomas Kabelmann <thomas.kabelmann@gmx.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "constellationnamescomponent.h"
 
 #include "ksfilereader.h"
 #include "kstarsdata.h"
 #include "Options.h"
 #include "skylabeler.h"
 #ifndef KSTARS_LITE
 #include "skymap.h"
 #endif
 #include "projections/projector.h"
 #include "skycomponents/culturelist.h"
 
 #include <QtConcurrent>
 
 ConstellationNamesComponent::ConstellationNamesComponent(SkyComposite *parent, CultureList *cultures)
     : ListComponent(parent)
 {
     QtConcurrent::run(this, &ConstellationNamesComponent::loadData, cultures);
 }
 
 void ConstellationNamesComponent::loadData(CultureList *cultures)
 {
     uint i       = 0;
     bool culture = false;
     KSFileReader fileReader;
     QString cultureName;
 
     if (!fileReader.open("cnames.dat"))
         return;
 
     emitProgressText(i18n("Loading constellation names"));
 
     localCNames = Options::useLocalConstellNames();
 
     while (fileReader.hasMoreLines())
     {
         QString line, name, abbrev;
         int rah, ram, ras, dd, dm, ds;
         QChar sgn, mode;
 
         line = fileReader.readLine();
 
         mode = line.at(0);
         if (mode == 'C')
         {
             cultureName = line.mid(2).trimmed();
             culture     = cultureName == cultures->current();
             i++;
             continue;
         }
 
         if (culture)
         {
             rah = line.midRef(0, 2).toInt();
             ram = line.midRef(2, 2).toInt();
             ras = line.midRef(4, 2).toInt();
 
             sgn = line.at(6);
             dd  = line.midRef(7, 2).toInt();
             dm  = line.midRef(9, 2).toInt();
             ds  = line.midRef(11, 2).toInt();
 
             abbrev = line.mid(13, 3);
             name   = line.mid(17).trimmed();
 
             if (Options::useLocalConstellNames())
                 name = i18nc("Constellation name (optional)", name.toLocal8Bit().data());
 
             dms r;
             r.setH(rah, ram, ras);
             dms d(dd, dm, ds);
 
             if (sgn == '-')
                 d.setD(-1.0 * d.Degrees());
 
             SkyObject *o = new SkyObject(SkyObject::CONSTELLATION, r, d, 0.0, name, abbrev);
             o->EquatorialToHorizontal(KStarsData::Instance()->lst(), KStarsData::Instance()->geo()->lat());
             appendListObject(o);
 
             //Add name to the list of object names
             objectNames(SkyObject::CONSTELLATION).append(name);
             objectLists(SkyObject::CONSTELLATION).append(QPair<QString, const SkyObject *>(name, o));
         }
     }
 }
 
 bool ConstellationNamesComponent::selected()
 {
 #ifndef KSTARS_LITE
     return Options::showCNames() && !(Options::hideOnSlew() && Options::hideCNames() && SkyMap::IsSlewing());
 #else
     return Options::showCNames() && !(Options::hideOnSlew() && Options::hideCNames() && SkyMapLite::IsSlewing());
 #endif
 }
 
 // Don't precess the location of the names
 void ConstellationNamesComponent::update(KSNumbers *)
 {
     if (!selected())
         return;
     KStarsData *data = KStarsData::Instance();
     foreach (SkyObject *o, m_ObjectList)
         o->EquatorialToHorizontal(data->lst(), data->geo()->lat());
 }
 
 void ConstellationNamesComponent::draw(SkyPainter *skyp)
 {
     Q_UNUSED(skyp);
 #ifndef KSTARS_LITE
     if (!selected())
         return;
 
     const Projector *proj  = SkyMap::Instance()->projector();
     SkyLabeler *skyLabeler = SkyLabeler::Instance();
     //skyLabeler->useStdFont();
     // Subjective change, but constellation names really need to stand out against everything else
     skyLabeler->setFont(QFont("Arial", 14));
     skyLabeler->setPen(QColor(KStarsData::Instance()->colorScheme()->colorNamed("CNameColor")));
 
     QString name;
     foreach (SkyObject *p, m_ObjectList)
     {
         if (!proj->checkVisibility(p))
             continue;
 
         bool visible = false;
         QPointF o    = proj->toScreen(p, false, &visible);
         if (!visible || !proj->onScreen(o))
             continue;
 
         if (Options::useLatinConstellNames() || Options::useLocalConstellNames())
             name = p->name();
         else
             name = p->name2();
 
         o.setX(o.x() - 5.0 * name.length());
         skyLabeler->drawGuideLabel(o, name, 0.0);
     }
 
     skyLabeler->resetFont();
 #endif
 }