src/CrossSection/CrossSectionWidget.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 "CrossSectionWidget.hpp"
  25 #include "CrossSection/CrossSectionWindow.hpp"
  26 #include "UIGlobals.hpp"
  27 #include "Look/Look.hpp"
  28 #include "Interface.hpp"
  29 #include "Components.hpp"
  30
  31 void
  32 CrossSectionWidget::Update(const MoreData &basic,
  33                            const DerivedInfo &calculated,
  34                            const AirspaceRendererSettings &settings)
  35 {
  36   CrossSectionWindow &w = *(CrossSectionWindow *)GetWindow();
  37
  38   w.ReadBlackboard(basic, calculated,
  39                    CommonInterface::GetComputerSettings().task.glide,
  40                    CommonInterface::GetComputerSettings().polar.glide_polar_task,
  41                    CommonInterface::GetMapSettings().airspace);
  42
  43   if (basic.location_available && basic.track_available) {
  44     w.SetStart(basic.location);
  45     w.SetDirection(basic.track);
  46     w.SetRange(fixed(50000));
  47   } else
  48     w.SetInvalid();
  49
  50   w.Invalidate();
  51 }
  52
  53 void
  54 CrossSectionWidget::Prepare(ContainerWindow &parent, const PixelRect &rc)
  55 {
  56   const Look &look = UIGlobals::GetLook();
  57
  58   WindowStyle style;
  59   style.Hide();
  60   style.Disable();
  61
  62   CrossSectionWindow *w =
  63     new CrossSectionWindow(look.cross_section, look.map.airspace, look.chart);
  64   w->SetAirspaces(&airspace_database);
  65   w->SetTerrain(terrain);
  66   w->Create(parent, rc, style);
  67
  68   SetWindow(w);
  69 }
  70
  71 void
  72 CrossSectionWidget::Unprepare()
  73 {
  74   DeleteWindow();
  75 }
  76
  77 void
  78 CrossSectionWidget::Show(const PixelRect &rc)
  79 {
  80   Update(CommonInterface::Basic(), CommonInterface::Calculated(),
  81          CommonInterface::GetMapSettings().airspace);
  82   CommonInterface::GetLiveBlackboard().AddListener(*this);
  83
  84   WindowWidget::Show(rc);
  85 }
  86
  87 void
  88 CrossSectionWidget::Hide()
  89 {
  90   WindowWidget::Hide();
  91
  92   CommonInterface::GetLiveBlackboard().RemoveListener(*this);
  93 }
  94
  95 void
  96 CrossSectionWidget::OnCalculatedUpdate(const MoreData &basic,
  97                                        const DerivedInfo &calculated)
  98 {
  99   Update(basic, calculated, CommonInterface::GetMapSettings().airspace);
 100 }