githubmirror/omim

qt/draw_widget.cpp
739 строк21 KB
Daria Volvenkova
[qt] Screenshoter accepts viewport center points and zoom or rects for positioning on the map.
25 ноя 2019, 17:01
25 ноя 2019, 17:0151140bd
#include "qt/draw_widget.hpp"

#include "qt/create_feature_dialog.hpp"
#include "qt/editor_dialog.hpp"
#include "qt/place_page_dialog.hpp"
#include "qt/qt_common/helpers.hpp"
#include "qt/qt_common/scale_slider.hpp"
#include "qt/routing_settings_dialog.hpp"
#include "qt/screenshoter.hpp"

#include "map/framework.hpp"

#include "generator/borders.hpp"

#include "search/result.hpp"
#include "search/reverse_geocoder.hpp"

#include "routing/following_info.hpp"
#include "routing/routing_callbacks.hpp"

#include "storage/country_decl.hpp"
#include "storage/storage_defines.hpp"

#include "indexer/editable_map_object.hpp"

#include "platform/settings.hpp"
#include "platform/platform.hpp"
#include "platform/settings.hpp"

#include "coding/reader.hpp"

#include "base/assert.hpp"
#include "base/file_name_utils.hpp"

#include <string>
#include <vector>

#include <QtGui/QMouseEvent>
#include <QtGui/QGuiApplication>

#include <QtWidgets/QApplication>
#include <QtWidgets/QDesktopWidget>
#include <QtWidgets/QDialogButtonBox>
#include <QtWidgets/QMenu>

#include <QtCore/QLocale>
#include <QtCore/QThread>
#include <QtCore/QTimer>

#include "defines.hpp"

using namespace qt::common;

namespace
{
std::vector<dp::Color> colorList = {
    dp::Color(255, 0, 0, 255),   dp::Color(0, 255, 0, 255),   dp::Color(0, 0, 255, 255),
    dp::Color(255, 255, 0, 255), dp::Color(0, 255, 255, 255), dp::Color(255, 0, 255, 255),
    dp::Color(100, 0, 0, 255),   dp::Color(0, 100, 0, 255),   dp::Color(0, 0, 100, 255),
    dp::Color(100, 100, 0, 255), dp::Color(0, 100, 100, 255), dp::Color(100, 0, 100, 255)};

void DrawMwmBorder(df::DrapeApi & drapeApi, std::string const & mwmName,
                   std::vector<m2::RegionD> const & regions, bool withVertices)
{
  for (size_t i = 0; i < regions.size(); ++i)
  {
    auto const & region = regions[i];
    auto const & points = region.Data();
    if (points.empty())
      return;

    static uint32_t kColorCounter = 0;

    auto lineData = df::DrapeApiLineData(points, colorList[kColorCounter]).Width(4.0f).ShowId();
    if (withVertices)
      lineData.ShowPoints(true /* markPoints */);

    auto const & name = i == 0 ? mwmName : mwmName + "_" + std::to_string(i);
    drapeApi.AddLine(name, lineData);

    kColorCounter = (kColorCounter + 1) % colorList.size();
  }
}
}  // namespace

namespace qt
{
DrawWidget::DrawWidget(Framework & framework, bool apiOpenGLES3, std::unique_ptr<ScreenshotParams> && screenshotParams,
                       QWidget * parent)
  : TBase(framework, apiOpenGLES3, screenshotParams != nullptr, parent)
  , m_rubberBand(nullptr)
  , m_emulatingLocation(false)
{
  qApp->installEventFilter(this);
  setFocusPolicy(Qt::StrongFocus);
  m_framework.SetPlacePageListeners([this]() { ShowPlacePage(); },
                                    {} /* onClose */, {} /* onUpdate */);

  m_framework.GetRoutingManager().SetRouteBuildingListener(
      [](routing::RouterResultCode, storage::CountriesSet const &) {});

  m_framework.GetRoutingManager().SetRouteRecommendationListener(
    [this](RoutingManager::Recommendation r)
  {
    OnRouteRecommendation(r);
  });

  m_framework.SetCurrentCountryChangedListener([this](storage::CountryId const & countryId) {
    m_countryId = countryId;
    UpdateCountryStatus(countryId);
  });

  if (screenshotParams != nullptr)
  {
    m_ratio = screenshotParams->m_dpiScale;
    m_screenshoter = std::make_unique<Screenshoter>(*screenshotParams, m_framework, this);
  }
  QTimer * countryStatusTimer = new QTimer(this);
  VERIFY(connect(countryStatusTimer, SIGNAL(timeout()), this, SLOT(OnUpdateCountryStatusByTimer())), ());
  countryStatusTimer->setSingleShot(false);
  countryStatusTimer->start(1000);
}

DrawWidget::~DrawWidget()
{
  delete m_rubberBand;
}

void DrawWidget::UpdateCountryStatus(storage::CountryId const & countryId)
{
  if (m_currentCountryChanged != nullptr)
  {
    std::string countryName = countryId;
    auto status = m_framework.GetStorage().CountryStatusEx(countryId);

    uint8_t progressInPercentage = 0;
    storage::MapFilesDownloader::Progress progressInByte = std::make_pair(0, 0);
    if (!countryId.empty())
    {
      storage::NodeAttrs nodeAttrs;
      m_framework.GetStorage().GetNodeAttrs(countryId, nodeAttrs);
      progressInByte = nodeAttrs.m_downloadingProgress;
      if (progressInByte.second != 0)
        progressInPercentage = static_cast<int8_t>(100 * progressInByte.first / progressInByte.second);
    }

    m_currentCountryChanged(countryId, countryName, status,
                            progressInByte.second, progressInPercentage);
  }
}

void DrawWidget::OnUpdateCountryStatusByTimer()
{
  if (!m_countryId.empty())
    UpdateCountryStatus(m_countryId);
}

void DrawWidget::SetCurrentCountryChangedListener(DrawWidget::TCurrentCountryChanged const & listener)
{
  m_currentCountryChanged = listener;
}

void DrawWidget::DownloadCountry(storage::CountryId const & countryId)
{
  m_framework.GetStorage().DownloadNode(countryId);
  if (!m_countryId.empty())
    UpdateCountryStatus(m_countryId);
}

void DrawWidget::RetryToDownloadCountry(storage::CountryId const & countryId)
{
  // TODO @bykoianko
}

void DrawWidget::PrepareShutdown()
{
  auto & routingManager = m_framework.GetRoutingManager();
  if (routingManager.IsRoutingActive() && routingManager.IsRoutingFollowing())
  {
    routingManager.SaveRoutePoints();

    auto style = m_framework.GetMapStyle();
    if (style == MapStyle::MapStyleVehicleClear)
      m_framework.MarkMapStyle(MapStyle::MapStyleClear);
    else if (style == MapStyle::MapStyleVehicleDark)
      m_framework.MarkMapStyle(MapStyle::MapStyleDark);
  }
}

void DrawWidget::UpdateAfterSettingsChanged()
{
  m_framework.EnterForeground();
}

void DrawWidget::ShowAll()
{
  m_framework.ShowAll();
}

void DrawWidget::ChoosePositionModeEnable()
{
  m_framework.BlockTapEvents(true /* block */);
  m_framework.EnableChoosePositionMode(true /* enable */, false /* enableBounds */,
                                       false /* applyPosition */, m2::PointD() /* position */);
}

void DrawWidget::ChoosePositionModeDisable()
{
  m_framework.EnableChoosePositionMode(false /* enable */, false /* enableBounds */,
                                       false /* applyPosition */, m2::PointD() /* position */);
  m_framework.BlockTapEvents(false /* block */);
}

void DrawWidget::initializeGL()
{
  if (m_screenshotMode)
    m_framework.GetBookmarkManager().EnableTestMode(true);
  else
    m_framework.LoadBookmarks();

  MapWidget::initializeGL();

  m_framework.GetRoutingManager().LoadRoutePoints([this](bool success)
  {
    if (success)
      m_framework.GetRoutingManager().BuildRoute();
  });

  if (m_screenshotMode)
    m_screenshoter->Start();
}

void DrawWidget::mousePressEvent(QMouseEvent * e)
{
  if (m_screenshotMode)
    return;

  QOpenGLWidget::mousePressEvent(e);

  m2::PointD const pt = GetDevicePoint(e);

  if (IsLeftButton(e))
  {
    if (IsShiftModifier(e))
      SubmitRoutingPoint(pt);
    else if (m_ruler.IsActive() && IsAltModifier(e))
      SubmitRulerPoint(e);
    else if (IsAltModifier(e))
      SubmitFakeLocationPoint(pt);
    else
      m_framework.TouchEvent(GetTouchEvent(e, df::TouchEvent::TOUCH_DOWN));
  }
  else if (IsRightButton(e))
  {
    if (IsAltModifier(e))
    {
      SubmitBookmark(pt);
    }
    else if (!m_currentSelectionMode || IsCommandModifier(e))
    {
      ShowInfoPopup(e, pt);
    }
    else
    {
      m_rubberBandOrigin = e->pos();
      if (m_rubberBand == nullptr)
        m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
      m_rubberBand->setGeometry(QRect(m_rubberBandOrigin, QSize()));
      m_rubberBand->show();
    }
  }
}

void DrawWidget::mouseMoveEvent(QMouseEvent * e)
{
  if (m_screenshotMode)
    return;

  QOpenGLWidget::mouseMoveEvent(e);
  if (IsLeftButton(e) && !IsAltModifier(e))
    m_framework.TouchEvent(GetTouchEvent(e, df::TouchEvent::TOUCH_MOVE));

  if (m_currentSelectionMode && m_rubberBand != nullptr && m_rubberBand->isVisible())
  {
    m_rubberBand->setGeometry(QRect(m_rubberBandOrigin, e->pos()).normalized());
  }
}

void DrawWidget::VisualizeMwmsBordersInRect(m2::RectD const & rect, bool withVertices,
                                            bool fromPackedPolygon, bool boundingBox)
{
  auto const getRegions = [&](std::string const & mwmName)
  {
    if (fromPackedPolygon)
    {
      std::vector<storage::CountryDef> countries;
      FilesContainerR reader(base::JoinPath(GetPlatform().ResourcesDir(), PACKED_POLYGONS_FILE));
      ReaderSource<ModelReaderPtr> src(reader.GetReader(PACKED_POLYGONS_INFO_TAG));
      rw::Read(src, countries);

      for (size_t id = 0; id < countries.size(); ++id)
      {
        if (countries[id].m_countryId != mwmName)
          continue;

        src = reader.GetReader(std::to_string(id));
        return borders::ReadPolygonsOfOneBorder(src);
      }

      UNREACHABLE();
    }
    else
    {
      std::string const bordersDir =
          base::JoinPath(GetPlatform().ResourcesDir(), BORDERS_DIR);

      std::string const path = base::JoinPath(bordersDir, mwmName + BORDERS_EXTENSION);
      std::vector<m2::RegionD> polygons;
      borders::LoadBorders(path, polygons);

      return polygons;
    }
  };

  auto mwmNames = m_framework.GetRegionsCountryIdByRect(rect, false /* rough */);

  for (auto & mwmName : mwmNames)
  {
    auto regions = getRegions(mwmName);
    mwmName += fromPackedPolygon ? ".bin" : ".poly";
    if (boundingBox)
    {
      std::vector<m2::RegionD> boxes;
      for (auto const & region : regions)
      {
        auto const r = region.GetRect();
        boxes.emplace_back(std::vector<m2::PointD>({r.LeftBottom(), r.LeftTop(), r.RightTop(),
                                                    r.RightBottom(), r.LeftBottom()}));
      }

      regions = std::move(boxes);
      mwmName += ".box";
    }
    DrawMwmBorder(m_framework.GetDrapeApi(), mwmName, regions, withVertices);
  }
}

void DrawWidget::mouseReleaseEvent(QMouseEvent * e)
{
  if (m_screenshotMode)
    return;

  QOpenGLWidget::mouseReleaseEvent(e);
  if (IsLeftButton(e) && !IsAltModifier(e))
  {
    m_framework.TouchEvent(GetTouchEvent(e, df::TouchEvent::TOUCH_UP));
  }
  else if (m_currentSelectionMode && IsRightButton(e) &&
           m_rubberBand != nullptr && m_rubberBand->isVisible())
  {
    ProcessSelectionMode();
  }
}

void DrawWidget::ProcessSelectionMode()
{
  QPoint const lt = m_rubberBand->geometry().topLeft();
  QPoint const rb = m_rubberBand->geometry().bottomRight();
  m2::RectD rect;
  rect.Add(m_framework.PtoG(m2::PointD(L2D(lt.x()), L2D(lt.y()))));
  rect.Add(m_framework.PtoG(m2::PointD(L2D(rb.x()), L2D(rb.y()))));

  switch (*m_currentSelectionMode)
  {
  case SelectionMode::Features:
  {
    m_framework.VisualizeRoadsInRect(rect);
    break;
  }
  case SelectionMode::CityBoundaries:
  {
    m_framework.VisualizeCityBoundariesInRect(rect);
    break;
  }
  case SelectionMode::CityRoads:
  {
    m_framework.VisualizeCityRoadsInRect(rect);
    break;
  }
  case SelectionMode::MwmsBordersByPolyFiles:
  {
    VisualizeMwmsBordersInRect(rect, false /* withVertices */, false /* fromPackedPolygon */,
                               false /* boundingBox */);
    break;
  }
  case SelectionMode::MwmsBordersWithVerticesByPolyFiles:
  {
    VisualizeMwmsBordersInRect(rect, true /* withVertices */, false /* fromPackedPolygon */,
                               false /* boundingBox */);
    break;
  }
  case SelectionMode::MwmsBordersByPackedPolygon:
  {
    VisualizeMwmsBordersInRect(rect, false /* withVertices */, true /* fromPackedPolygon */,
                               false /* boundingBox */);
    break;
  }
  case SelectionMode::MwmsBordersWithVerticesByPackedPolygon:
  {
    VisualizeMwmsBordersInRect(rect, true /* withVertices */, true /* fromPackedPolygon */,
                               false /* boundingBox */);
    break;
  }
  case SelectionMode::BoundingBoxByPolyFiles:
  {
    VisualizeMwmsBordersInRect(rect, true /* withVertices */, false /* fromPackedPolygon */,
                               true /* boundingBox */);
    break;
  }
  case SelectionMode::BoundingBoxByPackedPolygon:
  {
    VisualizeMwmsBordersInRect(rect, true /* withVertices */, true /* fromPackedPolygon */,
                               true /* boundingBox */);
    break;
  }
  default:
    UNREACHABLE();
  }

  m_rubberBand->hide();
}

void DrawWidget::keyPressEvent(QKeyEvent * e)
{
  if (m_screenshotMode)
    return;

  if (IsLeftButton(QGuiApplication::mouseButtons()) &&
      e->key() == Qt::Key_Control)
  {
    df::TouchEvent event;
    event.SetTouchType(df::TouchEvent::TOUCH_DOWN);
    df::Touch touch;
    touch.m_id = 0;
    touch.m_location = m2::PointD(L2D(QCursor::pos().x()), L2D(QCursor::pos().y()));
    event.SetFirstTouch(touch);
    event.SetSecondTouch(GetSymmetrical(touch));

    m_framework.TouchEvent(event);
  }
}

void DrawWidget::keyReleaseEvent(QKeyEvent * e)
{
  if (m_screenshotMode)
    return;

  if (IsLeftButton(QGuiApplication::mouseButtons()) &&
      e->key() == Qt::Key_Control)
  {
    df::TouchEvent event;
    event.SetTouchType(df::TouchEvent::TOUCH_UP);
    df::Touch touch;
    touch.m_id = 0;
    touch.m_location = m2::PointD(L2D(QCursor::pos().x()), L2D(QCursor::pos().y()));
    event.SetFirstTouch(touch);
    event.SetSecondTouch(GetSymmetrical(touch));

    m_framework.TouchEvent(event);
  }
  else if (e->key() == Qt::Key_Alt)
    m_emulatingLocation = false;
}

bool DrawWidget::Search(search::EverywhereSearchParams const & params)
{
  return m_framework.SearchEverywhere(params);
}

std::string DrawWidget::GetDistance(search::Result const & res) const
{
  std::string dist;
  if (auto const position = m_framework.GetCurrentPosition())
  {
    auto const ll = mercator::ToLatLon(*position);
    double dummy;
    (void)m_framework.GetDistanceAndAzimut(res.GetFeatureCenter(), ll.m_lat, ll.m_lon, -1.0, dist,
                                           dummy);
  }
  return dist;
}

void DrawWidget::ShowSearchResult(search::Result const & res)
{
  m_framework.ShowSearchResult(res);
}

void DrawWidget::CreateFeature()
{
  auto cats = m_framework.GetEditorCategories();
  CreateFeatureDialog dlg(this, cats);
  if (dlg.exec() == QDialog::Accepted)
  {
    osm::EditableMapObject emo;
    if (m_framework.CreateMapObject(m_framework.GetViewportCenter(), dlg.GetSelectedType(), emo))
    {
      EditorDialog dlg(this, emo);
      int const result = dlg.exec();
      if (result == QDialog::Accepted)
        m_framework.SaveEditedMapObject(emo);
    }
    else
    {
      LOG(LWARNING, ("Error creating new map object."));
    }
  }
}

void DrawWidget::OnLocationUpdate(location::GpsInfo const & info)
{
  if (!m_emulatingLocation)
    m_framework.OnLocationUpdate(info);
}

void DrawWidget::SetMapStyle(MapStyle mapStyle)
{
  m_framework.SetMapStyle(mapStyle);
}

void DrawWidget::SubmitFakeLocationPoint(m2::PointD const & pt)
{
  m_emulatingLocation = true;

  m2::PointD const point = GetCoordsFromSettingsIfExists(true /* start */, pt);

  m_framework.OnLocationUpdate(qt::common::MakeGpsInfo(point));

  if (m_framework.GetRoutingManager().IsRoutingActive())
  {
    routing::FollowingInfo loc;
    m_framework.GetRoutingManager().GetRouteFollowingInfo(loc);
    LOG(LDEBUG, ("Distance:", loc.m_distToTarget, loc.m_targetUnitsSuffix, "Time:", loc.m_time,
                 "Turn:", routing::turns::GetTurnString(loc.m_turn), "(", loc.m_distToTurn, loc.m_turnUnitsSuffix,
                 ") Roundabout exit number:", loc.m_exitNum));
  }
}

void DrawWidget::SubmitRulerPoint(QMouseEvent * e)
{
  m2::PointD const pt = GetDevicePoint(e);
  m2::PointD const point = GetCoordsFromSettingsIfExists(true /* start */, pt);
  m_ruler.AddPoint(point);
  m_ruler.DrawLine(m_framework.GetDrapeApi());
}

void DrawWidget::SubmitRoutingPoint(m2::PointD const & pt)
{
  auto & routingManager = m_framework.GetRoutingManager();
  auto const pointsCount = routingManager.GetRoutePoints().size();

  // Check if limit of intermediate points is reached.
  if (m_routePointAddMode == RouteMarkType::Intermediate && !routingManager.CouldAddIntermediatePoint())
    routingManager.RemoveRoutePoint(RouteMarkType::Intermediate, 0);

  // Insert implicit start point.
  if (m_routePointAddMode == RouteMarkType::Finish && pointsCount == 0)
  {
    RouteMarkData startPoint;
    startPoint.m_pointType = RouteMarkType::Start;
    startPoint.m_isMyPosition = true;
    routingManager.AddRoutePoint(std::move(startPoint));
  }

  RouteMarkData point;
  point.m_pointType = m_routePointAddMode;
  point.m_isMyPosition = false;
  point.m_position = GetCoordsFromSettingsIfExists(false /* start */, pt);

  routingManager.AddRoutePoint(std::move(point));

  if (routingManager.GetRoutePoints().size() >= 2)
    routingManager.BuildRoute();
}

void DrawWidget::SubmitBookmark(m2::PointD const & pt)
{
  if (!m_framework.GetBookmarkManager().HasBmCategory(m_bookmarksCategoryId))
    m_bookmarksCategoryId = m_framework.GetBookmarkManager().CreateBookmarkCategory("Desktop_bookmarks");
  kml::BookmarkData data;
  data.m_color.m_predefinedColor = kml::PredefinedColor::Red;
  data.m_point = m_framework.P3dtoG(pt);
  m_framework.GetBookmarkManager().GetEditSession().CreateBookmark(std::move(data), m_bookmarksCategoryId);
}

void DrawWidget::FollowRoute()
{
  auto & routingManager = m_framework.GetRoutingManager();

  auto const points = routingManager.GetRoutePoints();
  if (points.size() < 2)
    return;
  if (!points.front().m_isMyPosition && !points.back().m_isMyPosition)
    return;
  if (routingManager.IsRoutingActive() && !routingManager.IsRoutingFollowing())
  {
    routingManager.FollowRoute();
    auto style = m_framework.GetMapStyle();
    if (style == MapStyle::MapStyleClear)
      SetMapStyle(MapStyle::MapStyleVehicleClear);
    else if (style == MapStyle::MapStyleDark)
      SetMapStyle(MapStyle::MapStyleVehicleDark);
  }
}

void DrawWidget::ClearRoute()
{
  auto & routingManager = m_framework.GetRoutingManager();

  bool const wasActive = routingManager.IsRoutingActive() && routingManager.IsRoutingFollowing();
  routingManager.CloseRouting(true /* remove route points */);

  if (wasActive)
  {
    auto style = m_framework.GetMapStyle();
    if (style == MapStyle::MapStyleVehicleClear)
      SetMapStyle(MapStyle::MapStyleClear);
    else if (style == MapStyle::MapStyleVehicleDark)
      SetMapStyle(MapStyle::MapStyleDark);
  }
}

void DrawWidget::OnRouteRecommendation(RoutingManager::Recommendation recommendation)
{
  if (recommendation == RoutingManager::Recommendation::RebuildAfterPointsLoading)
  {
    auto & routingManager = m_framework.GetRoutingManager();

    RouteMarkData startPoint;
    startPoint.m_pointType = RouteMarkType::Start;
    startPoint.m_isMyPosition = true;
    routingManager.AddRoutePoint(std::move(startPoint));

    if (routingManager.GetRoutePoints().size() >= 2)
      routingManager.BuildRoute();
  }
}

void DrawWidget::ShowPlacePage()
{
  place_page::Info const & info = m_framework.GetCurrentPlacePageInfo();
  search::ReverseGeocoder::Address address;
  if (info.IsFeature())
  {
    search::ReverseGeocoder const coder(m_framework.GetDataSource());
    coder.GetExactAddress(info.GetID(), address);
  }
  else
  {
    address = m_framework.GetAddressAtPoint(info.GetMercator());
  }

  PlacePageDialog dlg(this, info, address);
  if (dlg.exec() == QDialog::Accepted)
  {
    osm::EditableMapObject emo;
    if (m_framework.GetEditableMapObject(info.GetID(), emo))
    {
      EditorDialog dlg(this, emo);
      int const result = dlg.exec();
      if (result == QDialog::Accepted)
      {
        m_framework.SaveEditedMapObject(emo);
        m_framework.UpdatePlacePageInfoForCurrentSelection();
      }
      else if (result == QDialogButtonBox::DestructiveRole)
      {
        m_framework.DeleteFeature(info.GetID());
      }
    }
    else
    {
      LOG(LERROR, ("Error while trying to edit feature."));
    }
  }
  m_framework.DeactivateMapSelection(false);
}

void DrawWidget::SetRouter(routing::RouterType routerType)
{
  m_framework.GetRoutingManager().SetRouter(routerType);
}

void DrawWidget::SetRuler(bool enabled)
{
  if(!enabled)
    m_ruler.EraseLine(m_framework.GetDrapeApi());
  m_ruler.SetActive(enabled);
}

// static
void DrawWidget::SetDefaultSurfaceFormat(bool apiOpenGLES3)
{
  QSurfaceFormat fmt;
  fmt.setAlphaBufferSize(8);
  fmt.setBlueBufferSize(8);
  fmt.setGreenBufferSize(8);
  fmt.setRedBufferSize(8);
  fmt.setStencilBufferSize(0);
  fmt.setSamples(0);
  fmt.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
  fmt.setSwapInterval(1);
  fmt.setDepthBufferSize(16);
  if (apiOpenGLES3)
  {
    fmt.setProfile(QSurfaceFormat::CoreProfile);
    fmt.setVersion(3, 2);
  }
  else
  {
    fmt.setProfile(QSurfaceFormat::CompatibilityProfile);
    fmt.setVersion(2, 1);
  }
  //fmt.setOption(QSurfaceFormat::DebugContext);
  QSurfaceFormat::setDefaultFormat(fmt);
}

void DrawWidget::RefreshDrawingRules()
{
  SetMapStyle(MapStyleClear);
}

m2::PointD DrawWidget::GetCoordsFromSettingsIfExists(bool start, m2::PointD const & pt)
{
  if (auto optional = RoutingSettings::GetCoords(start))
    return mercator::FromLatLon(*optional);

  return m_framework.P3dtoG(pt);
}
}  // namespace qt