src/MapWindow/GlueMapWindowItems.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "GlueMapWindow.hpp"
  25 #include "Items/List.hpp"
  26 #include "Items/Builder.hpp"
  27 #include "Look/MapLook.hpp"
  28 #include "Dialogs/MapItemListDialog.hpp"
  29 #include "UIGlobals.hpp"
  30 #include "Screen/Layout.hpp"
  31 #include "Computer/GlideComputer.hpp"
  32 #include "Dialogs/Message.hpp"
  33 #include "Language/Language.hpp"
  34 #include "Weather/Features.hpp"
  35 #include "Interface.hpp"
  36
  37 bool
  38 GlueMapWindow::ShowMapItems(const GeoPoint &location,
  39                             bool show_empty_message) const
  40 {
  41   /* not using MapWindowBlackboard here because this method is called
  42      by the main thread */
  43   const ComputerSettings &computer_settings =
  44     CommonInterface::GetComputerSettings();
  45   const MapSettings &settings = CommonInterface::GetMapSettings();
  46   const MoreData &basic = CommonInterface::Basic();
  47   const DerivedInfo &calculated = CommonInterface::Calculated();
  48
  49   fixed range = visible_projection.DistancePixelsToMeters(Layout::GetHitRadius());
  50
  51   MapItemList list;
  52   MapItemListBuilder builder(list, location, range);
  53
  54   if (settings.item_list.add_location)
  55       builder.AddLocation(basic, terrain);
  56
  57   if (settings.item_list.add_arrival_altitude && route_planner)
  58     builder.AddArrivalAltitudes(*route_planner, terrain,
  59                                 computer_settings.task.safety_height_arrival);
  60
  61   if (basic.location_available)
  62     builder.AddSelfIfNear(basic.location, basic.attitude.heading);
  63
  64   if (task)
  65     builder.AddTaskOZs(*task);
  66
  67   const Airspaces *airspace_database = airspace_renderer.GetAirspaces();
  68   if (airspace_database)
  69     builder.AddVisibleAirspace(*airspace_database,
  70                                airspace_renderer.GetWarningManager(),
  71                                computer_settings.airspace,
  72                                settings.airspace, basic,
  73                                calculated);
  74
  75   if (marks && visible_projection.GetMapScale() <= fixed(30000))
  76     builder.AddMarkers(*marks);
  77
  78   if (visible_projection.GetMapScale() <= fixed(4000))
  79     builder.AddThermals(calculated.thermal_locator, basic, calculated);
  80
  81   if (waypoints)
  82     builder.AddWaypoints(*waypoints);
  83
  84 #ifdef HAVE_NOAA
  85   if (noaa_store)
  86     builder.AddWeatherStations(*noaa_store);
  87 #endif
  88
  89   builder.AddTraffic(basic.flarm.traffic);
  90
  91 #ifdef HAVE_SKYLINES_TRACKING_HANDLER
  92   builder.AddSkyLinesTraffic();
  93 #endif
  94
  95   // Sort the list of map items
  96   list.Sort();
  97
  98   // Show the list dialog
  99   if (list.empty()) {
 100     if (show_empty_message)
 101       ShowMessageBox(_("There is nothing interesting near this location."),
 102                   _("Map elements at this location"), MB_OK | MB_ICONINFORMATION);
 103
 104     return false;
 105   }
 106
 107   ShowMapItemListDialog(list,
 108                         UIGlobals::GetDialogLook(), look, traffic_look,
 109                         final_glide_bar_renderer.GetLook(), settings,
 110                         glide_computer != NULL
 111                         ? &glide_computer->GetAirspaceWarnings() : NULL);
 112   return true;
 113 }