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Only offer to show dive on map if we have location information

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This adds the "Show in map" menu entry to the divelist only if we
actually have a location to show.

Of course, having some way to visually see whether we have a GPS
location even before we show the menu would probably be good. Maybe a
marker in the "location" string or something. But in the meanwhile, at
least we don't have that menu entry if we have nothing to show.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2013-01-16 12:31:09 -08:00 • committed by Dirk Hohndel
parent e9953fa5e6
commit 30d090cee2
2 changed files with 12 additions and 3 deletions
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5
dive.h
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@ -342,6 +342,11 @@ struct dive {
struct divecomputer dc;
};
static inline int dive_has_location(struct dive *dive)
{
return dive->latitude.udeg || dive->longitude.udeg;
}
/* Pa = N/m^2 - so we determine the weight (in N) of the mass of 10m
* of water (and use standard salt water at 1.03kg per liter if we don't know salinity)
* and add that to the surface pressure (or to 1013 if that's unknown) */