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-rw-r--r--dive.c26
-rw-r--r--dive.h4
-rw-r--r--divelist.c2
-rw-r--r--equipment.c25
-rw-r--r--qt-ui/diveplanner.cpp6
-rw-r--r--qt-ui/models.cpp14
6 files changed, 39 insertions, 38 deletions
diff --git a/dive.c b/dive.c
index 6545fecab..aad4b07a5 100644
--- a/dive.c
+++ b/dive.c
@@ -678,31 +678,6 @@ static struct event *find_previous_event(struct divecomputer *dc, struct event *
return previous;
}
-/* mark all tanks that we switch to in this dive computer's data as used */
-static void mark_used_tanks(struct dive *dive, struct divecomputer *dc)
-{
- struct event *ev = get_next_event(dc->events, "gaschange");
- // unless there is a gas change in the first 30 seconds we can
- // always mark the first cylinder as used
- if (!ev || ev->time.seconds > 30)
- dive->cylinder[0].used = true;
- while (ev) {
- int idx = get_cylinder_index(dive, ev);
- dive->cylinder[idx].used = true;
- ev = get_next_event(ev->next, "gaschange");
- }
-}
-
-/* walk all divecomputers to find the unused tanks in this dive */
-static void check_for_unused_tanks(struct dive *dive)
-{
- struct divecomputer *dc;
-
- for_each_dc(dive, dc) {
- mark_used_tanks(dive, dc);
- }
-}
-
static void fixup_surface_pressure(struct dive *dive)
{
struct divecomputer *dc;
@@ -988,7 +963,6 @@ struct dive *fixup_dive(struct dive *dive)
fixup_duration(dive);
fixup_watertemp(dive);
fixup_airtemp(dive);
- check_for_unused_tanks(dive);
for (i = 0; i < MAX_CYLINDERS; i++) {
cylinder_t *cyl = dive->cylinder + i;
add_cylinder_description(&cyl->type);
diff --git a/dive.h b/dive.h
index a2d9c5425..5861c9f09 100644
--- a/dive.h
+++ b/dive.h
@@ -59,7 +59,7 @@ typedef struct
struct gasmix gasmix;
pressure_t start, end, sample_start, sample_end;
depth_t depth;
- bool used;
+ bool manually_added;
volume_t gas_used;
} cylinder_t;
@@ -565,7 +565,7 @@ extern void renumber_dives(int start_nr, bool selected_only);
extern void copy_events(struct dive *s, struct dive *d);
extern void copy_cylinders(struct dive *s, struct dive *d);
extern void copy_samples(struct dive *s, struct dive *d);
-
+extern bool cylinder_is_used(struct dive *d, cylinder_t *cyl);
extern void fill_default_cylinder(cylinder_t *cyl);
extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);
extern void add_event(struct divecomputer *dc, int time, int type, int flags, int value, const char *name);
diff --git a/divelist.c b/divelist.c
index 421ea28c2..489982465 100644
--- a/divelist.c
+++ b/divelist.c
@@ -116,7 +116,7 @@ void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p)
int o2 = get_o2(&cyl->gasmix);
int he = get_he(&cyl->gasmix);
- if (!cyl->used)
+ if (cylinder_is_used(dive, cyl))
continue;
if (cylinder_none(cyl))
continue;
diff --git a/equipment.c b/equipment.c
index b69155629..a67df68a4 100644
--- a/equipment.c
+++ b/equipment.c
@@ -72,6 +72,31 @@ bool cylinder_none(void *_data)
return cylinder_nodata(cyl) && cylinder_nosamples(cyl);
}
+/* look at all dive computers and figure out if this cylinder is used anywhere
+ * d has to be a valid dive (test before calling)
+ * cyl does not have to be a cylinder that is part of this dive structure */
+bool cylinder_is_used(struct dive *d, cylinder_t *cyl)
+{
+ struct divecomputer *dc = &d->dc;
+ bool same_as_first = gasmix_distance(&cyl->gasmix, &d->cylinder[0].gasmix) < 200;
+ while (dc) {
+ struct event *ev = get_next_event(dc->events, "gaschange");
+ if (same_as_first && (!ev || ev->time.seconds > 30)) {
+ // unless there is a gas change in the first 30 seconds we can
+ // always mark the first cylinder as used
+ return true;
+ }
+ while (ev) {
+ if (gasmix_distance(&cyl->gasmix, get_gasmix_from_event(ev)) < 200)
+ return true;
+
+ ev = get_next_event(ev->next, "gaschange");
+ }
+ dc = dc->next;
+ }
+ return false;
+}
+
bool weightsystem_none(void *_data)
{
weightsystem_t *ws = _data;
diff --git a/qt-ui/diveplanner.cpp b/qt-ui/diveplanner.cpp
index 252c0ffc3..1c6c05702 100644
--- a/qt-ui/diveplanner.cpp
+++ b/qt-ui/diveplanner.cpp
@@ -120,8 +120,13 @@ void DivePlannerPointsModel::setupCylinders()
return;
if (stagingDive != current_dive) {
+ // we are planning a dive
if (current_dive) {
+ // take the cylinders from the selected dive as starting point
+ CylindersModel::instance()->copyFromDive(current_dive);
copy_cylinders(current_dive, stagingDive);
+ reset_cylinders(stagingDive);
+ return;
} else {
if (!same_string(prefs.default_cylinder, "")) {
fill_default_cylinder(&stagingDive->cylinder[0]);
@@ -130,7 +135,6 @@ void DivePlannerPointsModel::setupCylinders()
stagingDive->cylinder[0].type.description = strdup(tr("unknown").toUtf8().constData());
stagingDive->cylinder[0].type.size.mliter = 11100;
stagingDive->cylinder[0].type.workingpressure.mbar = 207000;
- stagingDive->cylinder[0].used = true;
}
}
}
diff --git a/qt-ui/models.cpp b/qt-ui/models.cpp
index 2228c8e5e..340276059 100644
--- a/qt-ui/models.cpp
+++ b/qt-ui/models.cpp
@@ -286,8 +286,7 @@ void CylindersModel::add()
int row = rows;
fill_default_cylinder(&current->cylinder[row]);
- // mark the cylinder as 'used' since it was manually added
- current->cylinder[row].used = true;
+ current->cylinder[row].manually_added = true;
beginInsertRows(QModelIndex(), row, row);
rows++;
changed = true;
@@ -316,9 +315,8 @@ void CylindersModel::setDive(dive *d)
rows = 0;
for (int i = 0; i < MAX_CYLINDERS; i++) {
if (!cylinder_none(&d->cylinder[i]) &&
- (prefs.display_unused_tanks || d->cylinder[i].used)) {
+ (prefs.display_unused_tanks || cylinder_is_used(d, &d->cylinder[i]) || d->cylinder[i].manually_added))
rows = i + 1;
- }
}
current = d;
changed = false;
@@ -334,8 +332,7 @@ void CylindersModel::copyFromDive(dive *d)
return;
rows = 0;
for (int i = 0; i < MAX_CYLINDERS; i++) {
- if (!cylinder_none(&d->cylinder[i]) &&
- (prefs.display_unused_tanks || d->cylinder[i].used)) {
+ if (!cylinder_none(&d->cylinder[i]) && cylinder_is_used(d, &d->cylinder[i])) {
rows = i + 1;
}
}
@@ -360,9 +357,10 @@ void CylindersModel::remove(const QModelIndex &index)
cylinder_t *cyl = &current->cylinder[index.row()];
if ((DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING &&
DivePlannerPointsModel::instance()->tankInUse(cyl->gasmix.o2.permille, cyl->gasmix.he.permille)) ||
- (DivePlannerPointsModel::instance()->currentMode() == DivePlannerPointsModel::NOTHING && cyl->used)) {
+ (DivePlannerPointsModel::instance()->currentMode() == DivePlannerPointsModel::NOTHING &&
+ (cyl->manually_added || (current_dive && cylinder_is_used(current_dive, cyl))))) {
QMessageBox::warning(MainWindow::instance(), TITLE_OR_TEXT(
- tr("Cylinder cannot be removed"),
+ tr("Cylinder cannot be removed"),
tr("This gas in use. Only cylinders that are not used in the dive can be removed.")),
QMessageBox::Ok);
return;