/
mapview.cpp
1430 lines (1161 loc) · 33 KB
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mapview.cpp
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#include <QGraphicsView>
#include <QGraphicsScene>
#include <QWheelEvent>
#include <QGestureEvent>
#include <QApplication>
#include <QScrollBar>
#include <QClipboard>
#include <QOpenGLWidget>
#include <QGeoPositionInfoSource>
#include "common/dem.h"
#include "data/poi.h"
#include "data/data.h"
#include "map/map.h"
#include "map/pcs.h"
#include "trackitem.h"
#include "routeitem.h"
#include "waypointitem.h"
#include "areaitem.h"
#include "scaleitem.h"
#include "coordinatesitem.h"
#include "mapitem.h"
#include "keys.h"
#include "graphicsscene.h"
#include "mapaction.h"
#include "markerinfoitem.h"
#include "crosshairitem.h"
#include "motioninfoitem.h"
#include "mapview.h"
#define MAX_DIGITAL_ZOOM 2
#define MIN_DIGITAL_ZOOM -3
#define MARGIN 10
#define SCALE_OFFSET 7
#define COORDINATES_OFFSET SCALE_OFFSET
MapView::MapView(Map *map, POI *poi, QWidget *parent) : QGraphicsView(parent)
{
Q_ASSERT(map != 0);
Q_ASSERT(poi != 0);
_scene = new GraphicsScene(this);
setScene(_scene);
setDragMode(QGraphicsView::ScrollHandDrag);
setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
setResizeAnchor(QGraphicsView::AnchorViewCenter);
setAcceptDrops(false);
viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
grabGesture(Qt::PinchGesture);
_mapScale = new ScaleItem();
_mapScale->setZValue(2.0);
_scene->addItem(_mapScale);
_cursorCoordinates = new CoordinatesItem();
_cursorCoordinates->setZValue(2.0);
_cursorCoordinates->setVisible(false);
_scene->addItem(_cursorCoordinates);
_deviceRatio = devicePixelRatioF();
_outputProjection = PCS::pcs(3857);
_inputProjection = GCS::gcs(4326);
_hidpi = true;
_hillShading = false;
_map = map;
_map->load(_inputProjection, _outputProjection, _deviceRatio, _hidpi);
connect(_map, &Map::tilesLoaded, this, &MapView::reloadMap);
_poi = poi;
connect(_poi, &POI::pointsChanged, this, &MapView::updatePOI);
_positionSource = 0;
_crosshair = new CrosshairItem();
_crosshair->setZValue(2.0);
_crosshair->setVisible(false);
_scene->addItem(_crosshair);
_positionCoordinates = new CoordinatesItem();
_positionCoordinates->setZValue(2.0);
_positionCoordinates->setVisible(false);
_scene->addItem(_positionCoordinates);
_motionInfo = new MotionInfoItem();
_motionInfo->setZValue(2.0);
_motionInfo->setVisible(false);
_scene->addItem(_motionInfo);
_mapOpacity = 1.0;
_backgroundColor = Qt::white;
_markerColor = Qt::red;
_showMap = false;
_showTracks = false;
_showRoutes = false;
_showAreas = false;
_showWaypoints = false;
_showWaypointLabels = false;
_showWaypointIcons = false;
_showPOI = false;
_showPOILabels = false;
_showPOIIcons = false;
_overlapPOIs = false;
_showRouteWaypoints = false;
_showMarkers = false;
_markerInfoType = MarkerInfoItem::None;
_showPathTicks = false;
_trackWidth = 3;
_routeWidth = 3;
_trackStyle = Qt::SolidLine;
_routeStyle = Qt::DashLine;
_waypointSize = 8;
_waypointColor = Qt::black;
_poiSize = 8;
_poiColor = Qt::black;
_followPosition = false;
_showPosition = false;
_showPositionCoordinates = false;
_showMotionInfo = false;
_infoBackground = false;
_opengl = false;
_plot = false;
_digitalZoom = 0;
_pinchZoom = 0;
_wheelDelta = 0;
_res = _map->resolution(_map->bounds());
_scene->setSceneRect(_map->bounds());
centerOn(_scene->sceneRect().center());
}
void MapView::centerOn(const QPointF &pos)
{
QGraphicsView::centerOn(pos);
QRectF vr(mapToScene(viewport()->rect()).boundingRect());
_res = _map->resolution(vr);
_mapScale->setResolution(_res);
_cursorCoordinates->setCoordinates(Coordinates());
}
PathItem *MapView::addTrack(const Track &track)
{
if (!track.isValid()) {
skipColor();
return 0;
}
TrackItem *ti = new TrackItem(track, _map);
_tracks.append(ti);
_tr |= ti->path().boundingRect();
ti->setColor(_palette.nextColor());
ti->setWidth(_trackWidth);
ti->setPenStyle(_trackStyle);
ti->setVisible(_showTracks);
ti->setDigitalZoom(_digitalZoom);
ti->setMarkerColor(_markerColor);
ti->setMarkerBackgroundColor(_backgroundColor);
ti->drawMarkerBackground(_infoBackground);
ti->showMarker(_showMarkers);
ti->showMarkerInfo(_markerInfoType);
ti->showTicks(_showPathTicks);
_scene->addItem(ti);
if (_showTracks)
addPOI(_poi->points(ti->path()));
return ti;
}
PathItem *MapView::addRoute(const Route &route)
{
if (!route.isValid()) {
skipColor();
return 0;
}
RouteItem *ri = new RouteItem(route, _map);
_routes.append(ri);
_rr |= ri->path().boundingRect();
ri->setColor(_palette.nextColor());
ri->setWidth(_routeWidth);
ri->setPenStyle(_routeStyle);
ri->setVisible(_showRoutes);
ri->showWaypoints(_showRouteWaypoints);
ri->showWaypointLabels(_showWaypointLabels);
ri->showWaypointIcons(_showWaypointIcons);
ri->setDigitalZoom(_digitalZoom);
ri->setMarkerColor(_markerColor);
ri->setMarkerBackgroundColor(_backgroundColor);
ri->drawMarkerBackground(_infoBackground);
ri->showMarker(_showMarkers);
ri->showMarkerInfo(_markerInfoType);
ri->showTicks(_showPathTicks);
_scene->addItem(ri);
if (_showRoutes)
addPOI(_poi->points(ri->path()));
return ri;
}
void MapView::addArea(const Area &area)
{
if (!area.isValid()) {
skipColor();
return;
}
AreaItem *ai = new AreaItem(area, _map);
ai->setColor(_palette.nextColor());
ai->setWidth(_areaWidth);
ai->setPenStyle(_areaStyle);
ai->setOpacity(_areaOpacity);
ai->setDigitalZoom(_digitalZoom);
ai->setVisible(_showAreas);
ai->setZValue(-area.boundingRect().area());
_scene->addItem(ai);
_ar |= ai->bounds();
_areas.append(ai);
if (_showAreas)
addPOI(_poi->points(ai->bounds()));
}
void MapView::addWaypoints(const QVector<Waypoint> &waypoints)
{
for (int i = 0; i < waypoints.count(); i++) {
const Waypoint &w = waypoints.at(i);
WaypointItem *wi = new WaypointItem(w, _map);
_waypoints.append(wi);
_wr = _wr.united(wi->waypoint().coordinates());
wi->setZValue(1);
wi->setSize(_waypointSize);
wi->setColor(_waypointColor);
wi->showLabel(_showWaypointLabels);
wi->showIcon(_showWaypointIcons);
wi->setVisible(_showWaypoints);
wi->setDigitalZoom(_digitalZoom);
_scene->addItem(wi);
if (_showWaypoints)
addPOI(_poi->points(w));
}
}
MapItem *MapView::addMap(MapAction *map)
{
MapItem *mi = new MapItem(map, _map);
mi->setColor(_palette.nextColor());
mi->setWidth(_areaWidth);
mi->setPenStyle(_areaStyle);
mi->setOpacity(_areaOpacity);
mi->setDigitalZoom(_digitalZoom);
mi->setVisible(_showAreas);
mi->setZValue(-mi->bounds().area());
_scene->addItem(mi);
_ar |= mi->bounds();
_areas.append(mi);
if (_showAreas)
addPOI(_poi->points(mi->bounds()));
return mi;
}
QList<PathItem *> MapView::loadData(const Data &data)
{
QList<PathItem *> paths;
int zoom = _map->zoom();
for (int i = 0; i < data.areas().count(); i++)
addArea(data.areas().at(i));
for (int i = 0; i < data.tracks().count(); i++)
paths.append(addTrack(data.tracks().at(i)));
for (int i = 0; i < data.routes().count(); i++)
paths.append(addRoute(data.routes().at(i)));
addWaypoints(data.waypoints());
if (_tracks.empty() && _routes.empty() && _waypoints.empty()
&& _areas.empty())
return paths;
if (fitMapZoom() != zoom)
rescale();
else
updatePOIVisibility();
centerOn(contentCenter());
return paths;
}
void MapView::loadMaps(const QList<MapAction *> &maps)
{
int zoom = _map->zoom();
for (int i = 0; i < maps.size(); i++)
addMap(maps.at(i));
if (fitMapZoom() != zoom)
rescale();
else
updatePOIVisibility();
centerOn(contentCenter());
}
void MapView::loadDEMs(const QList<Area> &dems)
{
int zoom = _map->zoom();
for (int i = 0; i < dems.size(); i++)
addArea(dems.at(i));
if (fitMapZoom() != zoom)
rescale();
else
updatePOIVisibility();
centerOn(contentCenter());
}
int MapView::fitMapZoom() const
{
RectC br = _tr | _rr | _wr | _ar;
return _map->zoomFit(viewport()->size() - QSize(2*MARGIN, 2*MARGIN),
br.isNull() ? _map->llBounds() : br);
}
QPointF MapView::contentCenter() const
{
RectC br = _tr | _rr | _wr | _ar;
return br.isNull() ? sceneRect().center() : _map->ll2xy(br.center());
}
void MapView::updatePOIVisibility()
{
if (!_showPOI)
return;
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
it.value()->show();
if (!_overlapPOIs) {
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++) {
for (POIHash::const_iterator jt = _pois.constBegin();
jt != _pois.constEnd(); jt++) {
if (it.value()->isVisible() && jt.value()->isVisible()
&& it != jt && it.value()->collidesWithItem(jt.value()))
jt.value()->hide();
}
}
}
}
void MapView::rescale()
{
_scene->setSceneRect(_map->bounds());
reloadMap();
for (int i = 0; i < _tracks.size(); i++)
_tracks.at(i)->setMap(_map);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->setMap(_map);
for (int i = 0; i < _areas.size(); i++)
_areas.at(i)->setMap(_map);
for (int i = 0; i < _waypoints.size(); i++)
_waypoints.at(i)->setMap(_map);
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
it.value()->setMap(_map);
_crosshair->setMap(_map);
updatePOIVisibility();
}
void MapView::setPalette(const Palette &palette)
{
_palette = palette;
_palette.reset();
for (int i = 0; i < _tracks.count(); i++)
_tracks.at(i)->setColor(_palette.nextColor());
for (int i = 0; i < _routes.count(); i++)
_routes.at(i)->setColor(_palette.nextColor());
for (int i = 0; i < _areas.count(); i++)
_areas.at(i)->setColor(_palette.nextColor());
}
void MapView::setMap(Map *map)
{
QRectF vr(mapToScene(viewport()->rect()).boundingRect()
.intersected(_map->bounds()));
RectC cr(_map->xy2ll(vr.topLeft()), _map->xy2ll(vr.bottomRight()));
disconnect(_map, &Map::tilesLoaded, this, &MapView::reloadMap);
_map->unload();
_map = map;
_map->load(_inputProjection, _outputProjection, _deviceRatio, _hidpi);
connect(_map, &Map::tilesLoaded, this, &MapView::reloadMap);
digitalZoom(0);
_map->zoomFit(viewport()->rect().size(), cr);
rescale();
QPointF nc = QRectF(_map->ll2xy(cr.topLeft()),
_map->ll2xy(cr.bottomRight())).center();
centerOn(nc);
reloadMap();
}
void MapView::setPOI(POI *poi)
{
disconnect(_poi, &POI::pointsChanged, this, &MapView::updatePOI);
connect(poi, &POI::pointsChanged, this, &MapView::updatePOI);
_poi = poi;
updatePOI();
}
void MapView::setPositionSource(QGeoPositionInfoSource *source)
{
if (_positionSource)
disconnect(_positionSource, &QGeoPositionInfoSource::positionUpdated,
this, &MapView::updatePosition);
if (source)
connect(source, &QGeoPositionInfoSource::positionUpdated, this,
&MapView::updatePosition);
_positionSource = source;
showPosition(_showPosition);
}
void MapView::setGraph(int index)
{
for (int i = 0; i < _tracks.size(); i++)
_tracks.at(i)->setGraph(index);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->setGraph(index);
}
void MapView::updatePOI()
{
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
_scene->removeItem(it.value());
qDeleteAll(_pois);
_pois.clear();
if (_showTracks)
for (int i = 0; i < _tracks.size(); i++)
addPOI(_poi->points(_tracks.at(i)->path()));
if (_showRoutes)
for (int i = 0; i < _routes.size(); i++)
addPOI(_poi->points(_routes.at(i)->path()));
if (_showAreas)
for (int i = 0; i < _areas.size(); i++)
addPOI(_poi->points(_areas.at(i)->bounds()));
if (_showWaypoints)
for (int i = 0; i< _waypoints.size(); i++)
addPOI(_poi->points(_waypoints.at(i)->waypoint()));
updatePOIVisibility();
}
void MapView::addPOI(const QList<Waypoint> &waypoints)
{
for (int i = 0; i < waypoints.size(); i++) {
const Waypoint &w = waypoints.at(i);
if (_pois.contains(SearchPointer<Waypoint>(&w)))
continue;
WaypointItem *pi = new WaypointItem(w, _map);
pi->setZValue(1);
pi->setSize(_poiSize);
pi->setColor(_poiColor);
pi->showLabel(_showPOILabels);
pi->showIcon(_showPOIIcons);
pi->setVisible(_showPOI);
pi->setDigitalZoom(_digitalZoom);
_scene->addItem(pi);
_pois.insert(SearchPointer<Waypoint>(&(pi->waypoint())), pi);
}
}
void MapView::setUnits(Units units)
{
WaypointItem::setUnits(units);
PathItem::setUnits(units);
for (int i = 0; i < _tracks.count(); i++)
_tracks.at(i)->updateTicks();
for (int i = 0; i < _routes.count(); i++)
_routes.at(i)->updateTicks();
_mapScale->setUnits(units);
_cursorCoordinates->setUnits(units);
_positionCoordinates->setUnits(units);
_motionInfo->setUnits(units);
}
void MapView::setCoordinatesFormat(CoordinatesFormat format)
{
WaypointItem::setCoordinatesFormat(format);
MarkerInfoItem::setCoordinatesFormat(format);
for (int i = 0; i < _tracks.count(); i++)
_tracks.at(i)->updateMarkerInfo();
for (int i = 0; i < _routes.count(); i++)
_routes.at(i)->updateMarkerInfo();
_cursorCoordinates->setFormat(format);
_positionCoordinates->setFormat(format);
}
void MapView::setTimeZone(const QTimeZone &zone)
{
WaypointItem::setTimeZone(zone);
PathItem::setTimeZone(zone);
for (int i = 0; i < _tracks.count(); i++)
_tracks.at(i)->updateMarkerInfo();
for (int i = 0; i < _routes.count(); i++)
_routes.at(i)->updateMarkerInfo();
}
void MapView::clearMapCache()
{
_map->clearCache();
reloadMap();
}
void MapView::digitalZoom(int zoom)
{
if (zoom) {
_digitalZoom += zoom;
scale(pow(2, zoom), pow(2, zoom));
} else {
_digitalZoom = 0;
resetTransform();
}
for (int i = 0; i < _tracks.size(); i++)
_tracks.at(i)->setDigitalZoom(_digitalZoom);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->setDigitalZoom(_digitalZoom);
for (int i = 0; i < _areas.size(); i++)
_areas.at(i)->setDigitalZoom(_digitalZoom);
for (int i = 0; i < _waypoints.size(); i++)
_waypoints.at(i)->setDigitalZoom(_digitalZoom);
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
it.value()->setDigitalZoom(_digitalZoom);
_mapScale->setDigitalZoom(_digitalZoom);
_cursorCoordinates->setDigitalZoom(_digitalZoom);
_positionCoordinates->setDigitalZoom(_digitalZoom);
_motionInfo->setDigitalZoom(_digitalZoom);
_crosshair->setDigitalZoom(_digitalZoom);
}
void MapView::zoom(int zoom, const QPoint &pos, bool shift)
{
if (_digitalZoom) {
if (((_digitalZoom > 0 && zoom > 0) && (!shift || _digitalZoom
>= MAX_DIGITAL_ZOOM)) || ((_digitalZoom < 0 && zoom < 0) && (!shift
|| _digitalZoom <= MIN_DIGITAL_ZOOM)))
return;
digitalZoom(zoom);
} else {
Coordinates c = _map->xy2ll(mapToScene(pos));
int oz = _map->zoom();
int nz = (zoom > 0) ? _map->zoomIn() : _map->zoomOut();
if (nz != oz) {
rescale();
centerOn(_map->ll2xy(c) - (pos - viewport()->rect().center()));
} else {
if (shift)
digitalZoom(zoom);
}
}
}
void MapView::pinchGesture(QPinchGesture *gesture)
{
QPinchGesture::ChangeFlags changeFlags = gesture->changeFlags();
qreal scaleFactor = gesture->totalScaleFactor();
if (changeFlags & QPinchGesture::ScaleFactorChanged) {
int z = 0;
for (qreal sc = scaleFactor; sc > 1.25; sc *= 0.8)
z += 1;
for (qreal sc = scaleFactor; sc < 0.8; sc *= 1.25)
z -= 1;
if (_pinchZoom != z) {
zoom(z - _pinchZoom, gesture->centerPoint().toPoint(), false);
_pinchZoom = z;
}
}
if (gesture->state() == Qt::GestureFinished)
_pinchZoom = 0;
}
void MapView::wheelEvent(QWheelEvent *event)
{
bool shift = (event->modifiers() & MODIFIER) ? true : false;
// Shift inverts the wheel axis on OS X, so use scrolling in both axes for
// the zoom.
int delta = event->angleDelta().y()
? event->angleDelta().y() : event->angleDelta().x();
_wheelDelta += delta;
if (qAbs(_wheelDelta) < (15 * 8))
return;
_wheelDelta = _wheelDelta % (15 * 8);
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
zoom((delta > 0) ? 1 : -1, event->pos(), shift);
#else // QT 5.15
zoom((delta > 0) ? 1 : -1, event->position().toPoint(), shift);
#endif // QT 5.15
/* Do not call QGraphicsView::wheelEvent() here as this would shift the
view ! */
}
void MapView::keyPressEvent(QKeyEvent *event)
{
int z;
bool shift = (event->modifiers() & MODIFIER) ? true : false;
QPoint pos = viewport()->rect().center();
if (event->key() == ZOOM_IN)
z = 1;
else if (event->key() == ZOOM_OUT)
z = -1;
else if (_digitalZoom && event->key() == Qt::Key_Escape) {
digitalZoom(0);
return;
} else {
if (event->key() == MODIFIER_KEY) {
_cursor = viewport()->cursor();
viewport()->setCursor(Qt::CrossCursor);
}
QGraphicsView::keyPressEvent(event);
return;
}
zoom(z, pos, shift);
}
void MapView::keyReleaseEvent(QKeyEvent *event)
{
if (event->key() == MODIFIER_KEY
&& viewport()->cursor().shape() == Qt::CrossCursor)
viewport()->setCursor(_cursor);
QGraphicsView::keyReleaseEvent(event);
}
void MapView::plot(QPainter *painter, const QRectF &target, qreal scale,
PlotFlags flags)
{
QRect orig, adj;
qreal ratio, diff, q, p;
QPointF scenePos, scalePos, posPos, motionPos;
bool hidpi = _hidpi && _deviceRatio > 1.0;
int zoom;
// Enter plot mode
setUpdatesEnabled(false);
_plot = true;
// Compute sizes & ratios
orig = viewport()->rect();
scalePos = _mapScale->pos();
posPos = _positionCoordinates->pos();
motionPos = _motionInfo->pos();
if (orig.height() * (target.width() / target.height()) - orig.width() < 0) {
ratio = target.height() / target.width();
diff = (orig.width() * ratio) - orig.height();
adj = orig.adjusted(0, -diff/2, 0, diff/2);
} else {
ratio = target.width() / target.height();
diff = (orig.height() * ratio) - orig.width();
adj = orig.adjusted(-diff/2, 0, diff/2, 0);
}
// Expand the view if plotting into a bitmap
if (hidpi)
setHidpi(false);
if (flags & Expand) {
qreal xdiff = (target.width() - adj.width()) / 2.0;
qreal ydiff = (target.height() - adj.height()) / 2.0;
adj.adjust(-xdiff, -ydiff, xdiff, ydiff);
q = 1.0;
} else
q = (target.width() / scale) / adj.width();
// Adjust the view for printing
if (flags & HiRes) {
zoom = _map->zoom();
QRectF vr(mapToScene(orig).boundingRect());
scenePos = vr.center();
QPointF s(painter->device()->logicalDpiX()
/ (qreal)metric(QPaintDevice::PdmDpiX),
painter->device()->logicalDpiY()
/ (qreal)metric(QPaintDevice::PdmDpiY));
adj = QRect(0, 0, adj.width() * s.x(), adj.height() * s.y());
_map->zoomFit(adj.size(), _tr | _rr | _wr | _ar);
rescale();
QPointF center = contentCenter();
centerOn(center);
adj.moveCenter(mapFromScene(center));
p = s.x() / q;
} else
p = 1 / q;
_mapScale->setDigitalZoom(_digitalZoom - log2(p));
_mapScale->setPos(mapToScene(adj.bottomRight() + QPoint(
-(SCALE_OFFSET + _mapScale->boundingRect().width()) * p,
-(SCALE_OFFSET + _mapScale->boundingRect().height()) * p)));
_positionCoordinates->setDigitalZoom(_digitalZoom - log2(p));
_positionCoordinates->setPos(mapToScene(adj.topLeft() + QPoint(
COORDINATES_OFFSET * p,
(COORDINATES_OFFSET + _positionCoordinates->boundingRect().height()) * p)));
_motionInfo->setDigitalZoom(_digitalZoom - log2(p));
_motionInfo->setPos(mapToScene(adj.topRight() + QPoint(
(-COORDINATES_OFFSET - _motionInfo->boundingRect().width()) * p,
(COORDINATES_OFFSET + _motionInfo->boundingRect().height()) * p)));
// Print the view
render(painter, target, adj);
// Revert view changes to display mode
if (flags & HiRes) {
_map->setZoom(zoom);
rescale();
centerOn(scenePos);
}
if (hidpi)
setHidpi(true);
_mapScale->setDigitalZoom(_digitalZoom);
_mapScale->setPos(scalePos);
_positionCoordinates->setDigitalZoom(_digitalZoom);
_positionCoordinates->setPos(posPos);
_motionInfo->setDigitalZoom(_digitalZoom);
_motionInfo->setPos(motionPos);
// Exit plot mode
_plot = false;
setUpdatesEnabled(true);
}
void MapView::clear()
{
_pois.clear();
_tracks.clear();
_routes.clear();
_areas.clear();
_waypoints.clear();
_scene->removeItem(_mapScale);
_scene->removeItem(_cursorCoordinates);
_scene->removeItem(_positionCoordinates);
_scene->removeItem(_crosshair);
_scene->removeItem(_motionInfo);
_scene->clear();
_scene->addItem(_mapScale);
_scene->addItem(_cursorCoordinates);
_scene->addItem(_positionCoordinates);
_scene->addItem(_crosshair);
_scene->addItem(_motionInfo);
_palette.reset();
_tr = RectC();
_rr = RectC();
_wr = RectC();
_ar = RectC();
digitalZoom(0);
// If not reset, causes huge redraw areas (and system memory exhaustion)
resetCachedContent();
}
void MapView::showTracks(bool show)
{
_showTracks = show;
for (int i = 0; i < _tracks.count(); i++)
_tracks.at(i)->setVisible(show);
updatePOI();
}
void MapView::showRoutes(bool show)
{
_showRoutes = show;
for (int i = 0; i < _routes.count(); i++)
_routes.at(i)->setVisible(show);
updatePOI();
}
void MapView::showWaypoints(bool show)
{
_showWaypoints = show;
for (int i = 0; i < _waypoints.count(); i++)
_waypoints.at(i)->setVisible(show);
updatePOI();
}
void MapView::showAreas(bool show)
{
_showAreas = show;
for (int i = 0; i < _areas.count(); i++)
_areas.at(i)->setVisible(show);
updatePOI();
}
void MapView::showWaypointLabels(bool show)
{
_showWaypointLabels = show;
for (int i = 0; i < _waypoints.size(); i++)
_waypoints.at(i)->showLabel(show);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->showWaypointLabels(show);
}
void MapView::showWaypointIcons(bool show)
{
_showWaypointIcons = show;
for (int i = 0; i < _waypoints.size(); i++)
_waypoints.at(i)->showIcon(show);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->showWaypointIcons(show);
}
void MapView::showRouteWaypoints(bool show)
{
_showRouteWaypoints = show;
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->showWaypoints(show);
}
void MapView::showMarkers(bool show)
{
_showMarkers = show;
for (int i = 0; i < _tracks.size(); i++)
_tracks.at(i)->showMarker(show);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->showMarker(show);
}
void MapView::showMarkerInfo(MarkerInfoItem::Type type)
{
_markerInfoType = type;
for (int i = 0; i < _tracks.size(); i++)
_tracks.at(i)->showMarkerInfo(type);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->showMarkerInfo(type);
}
void MapView::showTicks(bool show)
{
_showPathTicks = show;
for (int i = 0; i < _tracks.size(); i++)
_tracks.at(i)->showTicks(show);
for (int i = 0; i < _routes.size(); i++)
_routes.at(i)->showTicks(show);
}
void MapView::showMap(bool show)
{
_showMap = show;
reloadMap();
}
void MapView::showPOI(bool show)
{
_showPOI = show;
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
it.value()->setVisible(show);
updatePOIVisibility();
}
void MapView::showPOILabels(bool show)
{
_showPOILabels = show;
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
it.value()->showLabel(show);
updatePOIVisibility();
}
void MapView::showPOIIcons(bool show)
{
_showPOIIcons = show;
for (POIHash::const_iterator it = _pois.constBegin();
it != _pois.constEnd(); it++)
it.value()->showIcon(show);
updatePOIVisibility();
}
void MapView::showCursorCoordinates(bool show)
{
_cursorCoordinates->setVisible(show);
setMouseTracking(show);
_scene->invalidate();
}
void MapView::showPositionCoordinates(bool show)
{
_showPositionCoordinates = show;
if (_crosshair->isVisible())
_positionCoordinates->setVisible(show);
_scene->invalidate();
}
void MapView::showMotionInfo(bool show)
{
_showMotionInfo = show;
if (_crosshair->isVisible())
_motionInfo->setVisible(show);
_scene->invalidate();
}
void MapView::showOverlappedPOIs(bool show)
{
_overlapPOIs = show;
updatePOIVisibility();
}
void MapView::setTrackWidth(int width)
{
_trackWidth = width;
for (int i = 0; i < _tracks.count(); i++)
_tracks.at(i)->setWidth(width);
}
void MapView::setRouteWidth(int width)