C++ (Cpp) InfoBoxWindow::SetColorTop Examples

Example #1

File: Altitude.cpp Project: macsux/XCSoar

void
InfoBoxContentFlightLevel::Update(InfoBoxWindow &infobox)
{
  const NMEAInfo &basic = CommonInterface::Basic();
  const SETTINGS_COMPUTER &settings_computer =
    CommonInterface::SettingsComputer();
  TCHAR sTmp[32];

  if (basic.pressure_altitude_available) {
    fixed Altitude = Units::ToUserUnit(basic.pressure_altitude, unFeet);

    // Title color black
    infobox.SetColorTop(0);

    // Set Value
    _stprintf(sTmp, _T("%03d"), iround(Altitude/100));
    infobox.SetValue(sTmp);

    // Set Comment
    _stprintf(sTmp, _T("%dft"), iround(Altitude));
    infobox.SetComment(sTmp);

  } else if (basic.gps_altitude_available &&
             settings_computer.pressure_available) {
    // Take gps altitude as baro altitude. This is inaccurate but still fits our needs.
    const AtmosphericPressure &qnh = settings_computer.pressure;
    fixed Altitude = Units::ToUserUnit(qnh.QNHAltitudeToPressureAltitude(basic.gps_altitude), unFeet);

    // Title color red
    infobox.SetColorTop(1);

    // Set Value
    _stprintf(sTmp, _T("%03d"), iround(Altitude/100));
    infobox.SetValue(sTmp);

    // Set Comment
    _stprintf(sTmp, _T("%dft"), iround(Altitude));
    infobox.SetComment(sTmp);

  } else if ((basic.baro_altitude_available || basic.gps_altitude_available) &&
             !settings_computer.pressure_available) {
    infobox.SetInvalid();
    infobox.SetComment(_("no QNH"));
  } else {
    infobox.SetInvalid();
  }
}