/**
* Updates all the dialogs fields, that are changing frequently.
* e.g. climb speed, distance, height
*/
static void
UpdateChanging()
{
TCHAR tmp[20];
const FLARM_TRAFFIC* target =
XCSoarInterface::Basic().flarm.FindTraffic(target_id);
// If target moved out of range -> return
if (!target || !target->IsDefined())
return;
// Fill distance field
Units::FormatUserDistance(target->distance, tmp, 20);
((WndProperty *)wf->FindByName(_T("prpDistance")))->SetText(tmp);
// Fill horizontal direction field
Angle bearing = (target->Bearing() - XCSoarInterface::Basic().track).as_delta();
if (bearing.value_degrees() > fixed_one)
_stprintf(tmp, _T("%2.0f")_T(DEG)_T(" »"), (double)bearing.value_degrees());
else if (bearing.value_degrees() < fixed_minus_one)
_stprintf(tmp, _T("« ")_T("%2.0f")_T(DEG), (double)-bearing.value_degrees());
else
_tcscpy(tmp, _T("«»"));
((WndProperty *)wf->FindByName(_T("prpDirectionH")))->SetText(tmp);
// Fill altitude field
if (target->altitude_available)
Units::FormatUserAltitude(target->altitude, tmp, 20);
else
_tcscpy(tmp, _T("--"));
((WndProperty *)wf->FindByName(_T("prpAltitude")))->SetText(tmp);
// Fill vertical direction field
Angle dir = Angle::radians((fixed)atan2(target->relative_altitude,
target->distance)).as_delta();
if (dir.magnitude_degrees() > fixed_one)
_stprintf(tmp, _T("%+2.0f")_T(DEG), (double)dir.value_degrees());
else
_tcscpy(tmp, _T("--"));
((WndProperty *)wf->FindByName(_T("prpDirectionV")))->SetText(tmp);
// Fill climb speed field
if (target->climb_rate_avg30s_available)
Units::FormatUserVSpeed(target->climb_rate_avg30s, tmp, 20);
else
_tcscpy(tmp, _T("--"));
((WndProperty *)wf->FindByName(_T("prpVSpeed")))->SetText(tmp);
}
void
Units::LatitudeToDMS(Angle Latitude, int *dd, int *mm, int *ss, bool *north)
{
// if (Latitude is negative) -> Latitude is South otherwise North
*north = (Latitude.sign() >= 0);
unsigned value = (unsigned)(Latitude.magnitude_degrees() * 3600 +
fixed_half);
*ss = value % 60;
value /= 60;
*mm = value % 60;
value /= 60;
*dd = value;
}
void
Units::LongitudeToDMS(Angle Longitude, int *dd, int *mm, int *ss, bool *east)
{
// if (Longitude is negative) -> Longitude is West otherwise East
*east = (Longitude.sign() >= 0);
unsigned value = (unsigned)(Longitude.magnitude_degrees() * 3600 +
fixed_half);
*ss = value % 60;
value /= 60;
*mm = value % 60;
value /= 60;
*dd = value;
}
bool
Units::LatitudeToString(Angle Latitude, TCHAR *Buffer, size_t size)
{
(void)size;
TCHAR EW[] = _T("SNN");
int dd, mm, ss;
// Calculate Latitude sign
int sign = Latitude.sign()+1;
double mlat = Latitude.magnitude_degrees();
switch (CoordinateFormat) {
case cfDDMMSS:
// Calculate degrees
dd = (int)mlat;
// Calculate minutes
mlat = (mlat - dd) * 60.0;
mm = (int)(mlat);
// Calculate seconds
mlat = (mlat - mm) * 60.0;
ss = (int)(mlat + 0.5);
if (ss >= 60) {
mm++;
ss -= 60;
}
if (mm >= 60) {
dd++;
mm -= 60;
}
// Save the string to the Buffer
_stprintf(Buffer, _T("%c%02d")_T(DEG)_T("%02d'%02d\""), EW[sign],
dd, mm, ss);
break;
case cfDDMMSSss:
// Calculate degrees
dd = (int)mlat;
// Calculate minutes
mlat = (mlat - dd) * 60.0;
mm = (int)(mlat);
// Calculate seconds
mlat = (mlat - mm) * 60.0;
// Save the string to the Buffer
_stprintf(Buffer, _T("%c%02d")_T(DEG)_T("%02d'%05.2f\""), EW[sign],
dd, mm, mlat);
break;
case cfDDMMmmm:
// Calculate degrees
dd = (int)mlat;
// Calculate minutes
mlat = (mlat - dd) * 60.0;
// Save the string to the Buffer
_stprintf(Buffer, _T("%c%02d")_T(DEG)_T("%06.3f'"), EW[sign], dd, mlat);
break;
case cfDDdddd:
// Save the string to the Buffer
_stprintf(Buffer, _T("%c%07.4f")_T(DEG), EW[sign], mlat);
break;
default:
return false;
}
return true;
}