static void check_gas_change_events(struct dive *dive, struct divecomputer *dc, struct plot_info *pi)
{
int i = 0, cylinderindex = 0;
struct event *ev = get_next_event(dc->events, "gaschange");
// for dive computers that tell us their first gas as an event on the first sample
// we need to make sure things are setup correctly
cylinderindex = explicit_first_cylinder(dive, dc);
set_first_cylinder_index(pi, 0, cylinderindex, ~0u);
if (!ev)
return;
do {
i = set_cylinder_index(pi, i, cylinderindex, ev->time.seconds);
cylinderindex = get_cylinder_index(dive, ev);
ev = get_next_event(ev->next, "gaschange");
} while (ev);
set_cylinder_index(pi, i, cylinderindex, ~0u);
}
void TankItem::modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
{
Q_UNUSED(topLeft);
Q_UNUSED(bottomRight);
// We don't have enougth data to calculate things, quit.
if (!dataModel || !pInfoEntry || !pInfoNr)
return;
// remove the old rectangles
foreach (QGraphicsRectItem *r, rects) {
delete(r);
}
rects.clear();
qreal width, left;
// Find correct end of the dive plot for correct end of the tankbar
struct plot_data *last_entry = &pInfoEntry[pInfoNr-1];
// get the information directly from the displayed_dive (the dc always exists)
struct divecomputer *dc = get_dive_dc(&displayed_dive, dc_number);
// start with the first gasmix and at the start of the dive
int cyl = explicit_first_cylinder(&displayed_dive, dc);
struct gasmix *gasmix = &displayed_dive.cylinder[cyl].gasmix;
int startTime = 0;
// work through all the gas changes and add the rectangle for each gas while it was used
struct event *ev = get_next_event(dc->events, "gaschange");
while (ev && ev->time.seconds < last_entry->sec) {
width = hAxis->posAtValue(ev->time.seconds) - hAxis->posAtValue(startTime);
left = hAxis->posAtValue(startTime);
createBar(left, width, gasmix);
startTime = ev->time.seconds;
gasmix = get_gasmix_from_event(&displayed_dive, ev);
ev = get_next_event(ev->next, "gaschange");
}
width = hAxis->posAtValue(last_entry->sec) - hAxis->posAtValue(startTime);
left = hAxis->posAtValue(startTime);
createBar(left, width, gasmix);
}
