Differential D23673 Diff 65227 src/lib/marble/declarative/GeoItem.cpp

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src/lib/marble/declarative/GeoItem.cpp

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		1		//
		2		// This file is part of the Marble Virtual Globe.
		3		//
		4		// This program is free software licensed under the GNU LGPL. You can
		5		// find a copy of this license in LICENSE.txt in the top directory of
		6		// the source code.
		7		//
		8		// Copyright 2019 Torsten Rahn <rahn@kde.org>
		9		//
		10
		11		#include "GeoItem.h"
		12		#include "MarbleQuickItem.h"
		13		#include "Coordinate.h"
		14
		15		#include "MarbleGlobal.h"
		16
		17		using Marble::GeoDataCoordinates;
		18		using Marble::EARTH_RADIUS;
		19		using Marble::DEG2RAD;
		20
		21		namespace Marble
		22		{
		23		GeoItem::GeoItem(QQuickItem *parent ) :
		24		QQuickItem( parent ),
		25		m_map(nullptr),
		26		m_observable(false),
		27		m_visible(true)
		28		{
		29		}
		30
		31		qreal GeoItem::longitude() const
		32		{
		33		return m_coordinate.longitude( GeoDataCoordinates::Degree );
		34		}
		35
		36		void GeoItem::setLongitude( qreal lon )
		37		{
		38		m_coordinate.setLongitude( lon, GeoDataCoordinates::Degree );
		39		updatePosition();
		40		emit longitudeChanged();
		41		}
		42
		43		qreal GeoItem::latitude() const
		44		{
		45		return m_coordinate.latitude( GeoDataCoordinates::Degree );
		46		}
		47
		48		void GeoItem::setLatitude( qreal lat )
		49		{
		50		m_coordinate.setLatitude( lat, GeoDataCoordinates::Degree );
		51		updatePosition();
		52		emit latitudeChanged();
		53		}
		54
		55		qreal GeoItem::altitude() const
		56		{
		57		return m_coordinate.altitude();
		58		}
		59
		60		void GeoItem::setAltitude( qreal alt )
		61		{
		62		m_coordinate.setAltitude( alt );
		63		updatePosition();
		64		emit altitudeChanged();
		65		}
		66
		67		GeoDataCoordinates GeoItem::coordinates() const
		68		{
		69		return m_coordinate;
		70		}
		71
		72		void GeoItem::setCoordinates( const GeoDataCoordinates &coordinates )
		73		{
		74		m_coordinate = coordinates;
		75		updatePosition();
		76		}
		77
		78		MarbleQuickItem *GeoItem::map() const
		79		{
		80		return m_map;
		81		}
		82
		83		void GeoItem::setMap(MarbleQuickItem *map)
		84		{
		85		if (m_map == map)
		86		return;
		87
		88		m_map = map;
		89
		90		connect(m_map, &MarbleQuickItem::visibleLatLonAltBoxChanged, this, [=]() { updatePosition(); });
		91		emit mapChanged(m_map);
		92		}
		93
		94		void GeoItem::updatePosition() {
		95		if (m_map) {
		96		QPointF relativePoint = m_map->screenCoordinatesFromGeoDataCoordinates(m_coordinate);
		97		bool observable = !relativePoint.isNull();
		98		if (observable != m_observable) {
		99		m_observable = observable;
		100		QQuickItem::setVisible(m_visible && m_observable);
		101		emit observableChanged(m_observable);
		102		}
		103		else {
		104		setPosition(QPointF(0.0,0.0));
		105		QPointF screenPoint = mapFromItem(m_map, relativePoint);
		106		setPosition(screenPoint);
		107		emit readonlyXChanged(readonlyX()) ;
		108		emit readonlyYChanged(readonlyY()) ;
		109		}
		110		}
		111		}
		112
		113		bool GeoItem::observable() const
		114		{
		115		return m_observable;
		116		}
		117
		118		bool GeoItem::visObservable() const
		119		{
		120		return m_visible;
		121		}
		122
		123		void GeoItem::setVisObservable(bool visible)
		124		{
		125		if (m_visible == visible)
		126		return;
		127
		128		m_visible = visible;
		129		QQuickItem::setVisible(m_visible && m_observable);
		130		emit visObservableChanged(m_visible);
		131		}
		132		}
		133
		134		#include "moc_GeoItem.cpp"