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Convert the atmospheric pressure in the Information Tab to an editable field

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The Information tab shows the atmospheric pressure. Make this value editable
and also ensure that changes to it are undo-able.

Signed-off-by: willemferguson <willemferguson@zoology.up.ac.za>
This commit is contained in:
willemferguson 2019-04-30 12:42:33 +02:00 • committed by Dirk Hohndel
parent ca6aa38139
commit 1bdf00b2b4
19 changed files with 323 additions and 20 deletions
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28
core/dive.c
View file

@ -1317,9 +1317,10 @@ static struct event *find_previous_event(struct divecomputer *dc, struct event *
return previous;
}
static void fixup_surface_pressure(struct dive *dive)
pressure_t calculate_surface_pressure(const struct dive *dive)
{
struct divecomputer *dc;
const struct divecomputer *dc;
pressure_t res;
int sum = 0, nr = 0;
for_each_dc (dive, dc) {
@ -1328,8 +1329,24 @@ static void fixup_surface_pressure(struct dive *dive)
nr++;
}
}
if (nr)
dive->surface_pressure.mbar = (sum + nr / 2) / nr;
res.mbar = nr ? (sum + nr / 2) / nr : 0;
return res;
}
static void fixup_surface_pressure(struct dive *dive)
{
dive->surface_pressure = calculate_surface_pressure(dive);
}
/* if the surface pressure in the dive data is redundant to the calculated
* value (i.e., it was added by running fixup on the dive) return 0,
* otherwise return the air temperature given in the dive */
pressure_t un_fixup_surface_pressure(const struct dive *d)
{
pressure_t res = d->surface_pressure;
if (res.mbar && res.mbar == calculate_surface_pressure(d).mbar)
res.mbar = 0;
return res;
}
static void fixup_water_salinity(struct dive *dive)
@ -1823,7 +1840,8 @@ struct dive *fixup_dive(struct dive *dive)
fixup_dive_dc(dive, dc);
fixup_water_salinity(dive);
fixup_surface_pressure(dive);
if (!dive->surface_pressure.mbar)
fixup_surface_pressure(dive);
fixup_meandepth(dive);
fixup_duration(dive);
fixup_watertemp(dive);