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https://github.com/subsurface/subsurface.git
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33142ed7f8
Instead of using the Settings as our data structure and constantly accessing them, we now have a QMap for the GPS fixes and only access the Settings to keep them in sync with the QMap. This should significantly speed things up. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
#include "gpslistmodel.h"
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#include "helpers.h"
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#include <QVector>
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GpsListModel *GpsListModel::m_instance = NULL;
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GpsListModel::GpsListModel(QObject *parent) : QAbstractListModel(parent)
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{
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m_instance = this;
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}
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void GpsListModel::addGpsFix(gpsTracker g)
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{
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beginInsertColumns(QModelIndex(), rowCount(), rowCount());
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m_gpsFixes.append(g);
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endInsertRows();
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}
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void GpsListModel::update()
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{
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QVector<gpsTracker> trackers = QVector<gpsTracker>::fromList(GpsLocation::instance()->currentGPSInfo().values());
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beginResetModel();
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m_gpsFixes = trackers;
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endResetModel();
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}
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void GpsListModel::clear()
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{
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if (m_gpsFixes.count()) {
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beginRemoveRows(QModelIndex(), 0, m_gpsFixes.count() - 1);
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m_gpsFixes.clear();
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endRemoveRows();
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}
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}
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int GpsListModel::rowCount(const QModelIndex &parent) const
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{
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return m_gpsFixes.count();
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}
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QVariant GpsListModel::data(const QModelIndex &index, int role) const
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{
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if (index.row() < 0 || index.row() > m_gpsFixes.count())
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return QVariant();
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const gpsTracker > = m_gpsFixes[index.row()];
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if (role == GpsDateRole)
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return get_short_dive_date_string(gt.when);
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else if (role == GpsWhenRole)
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return gt.when;
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else if (role == GpsNameRole)
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return gt.name;
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else if (role == GpsLatitudeRole)
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return QString::number(gt.latitude.udeg / 1000000.0, 'f', 6);
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else if (role == GpsLongitudeRole)
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return QString::number(gt.longitude.udeg / 1000000.0, 'f', 6);
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return QVariant();
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}
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QHash<int, QByteArray> GpsListModel::roleNames() const
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{
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QHash<int, QByteArray> roles;
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roles[GpsDateRole] = "date";
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roles[GpsWhenRole] = "when";
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roles[GpsNameRole] = "name";
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roles[GpsLatitudeRole] = "latitude";
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roles[GpsLongitudeRole] = "longitude";
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return roles;
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}
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GpsListModel *GpsListModel::instance()
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{
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return m_instance;
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}
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