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62b869b24a
It shouldn't happen, but currently we overwrite the displayed_dive without updating the CylindersModel. Thus, CylindersModel may now crash when the new displayed_dive has less cylinders than the old one. For now, catch this condition. Treat the root cause later. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
624 lines
19 KiB
C++
624 lines
19 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "cylindermodel.h"
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#include "tankinfomodel.h"
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#include "models.h"
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#include "core/qthelper.h"
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#include "core/divelist.h" // for mark_divelist_changed()
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#include "core/color.h"
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#include "qt-models/diveplannermodel.h"
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#include "core/gettextfromc.h"
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#include "core/subsurface-qt/DiveListNotifier.h"
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CylindersModel::CylindersModel(QObject *parent) :
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CleanerTableModel(parent),
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changed(false),
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rows(0)
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{
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// enum {REMOVE, TYPE, SIZE, WORKINGPRESS, START, END, O2, HE, DEPTH, MOD, MND, USE};
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setHeaderDataStrings(QStringList() << "" << tr("Type") << tr("Size") << tr("Work press.") << tr("Start press.") << tr("End press.") << tr("O₂%") << tr("He%")
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<< tr("Deco switch at") <<tr("Bot. MOD") <<tr("MND") << tr("Use"));
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connect(&diveListNotifier, &DiveListNotifier::cylindersReset, this, &CylindersModel::cylindersReset);
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}
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QVariant CylindersModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (role == Qt::DisplayRole && orientation == Qt::Horizontal && in_planner() && section == WORKINGPRESS)
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return tr("Start press.");
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else
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return CleanerTableModel::headerData(section, orientation, role);
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}
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CylindersModel *CylindersModel::instance()
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{
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static CylindersModel self;
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return &self;
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}
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static QString get_cylinder_string(const cylinder_t *cyl)
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{
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QString unit;
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int decimals;
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unsigned int ml = cyl->type.size.mliter;
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pressure_t wp = cyl->type.workingpressure;
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double value;
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// We cannot use "get_volume_units()", because even when
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// using imperial units we may need to show the size in
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// liters: if we don't have a working pressure, we cannot
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// convert the cylinder size to cuft.
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if (wp.mbar && prefs.units.volume == units::CUFT) {
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value = ml_to_cuft(ml) * bar_to_atm(wp.mbar / 1000.0);
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decimals = (value > 20.0) ? 0 : (value > 2.0) ? 1 : 2;
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unit = CylindersModel::tr("cuft");
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} else {
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value = ml / 1000.0;
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decimals = 1;
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unit = CylindersModel::tr("ℓ");
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}
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return QString("%L1").arg(value, 0, 'f', decimals) + unit;
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}
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static QString gas_volume_string(int ml, const char *tail)
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{
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double vol;
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const char *unit;
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int decimals;
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vol = get_volume_units(ml, NULL, &unit);
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decimals = (vol > 20.0) ? 0 : (vol > 2.0) ? 1 : 2;
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return QString("%L1 %2 %3").arg(vol, 0, 'f', decimals).arg(unit).arg(tail);
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}
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static QVariant gas_wp_tooltip(const cylinder_t *cyl);
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static QVariant gas_usage_tooltip(const cylinder_t *cyl)
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{
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pressure_t startp = cyl->start.mbar ? cyl->start : cyl->sample_start;
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pressure_t endp = cyl->end.mbar ? cyl->end : cyl->sample_end;
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int start, end, used;
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start = gas_volume(cyl, startp);
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end = gas_volume(cyl, endp);
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used = (end && start > end) ? start - end : 0;
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if (!used)
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return gas_wp_tooltip(cyl);
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return gas_volume_string(used, "(") +
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gas_volume_string(start, " -> ") +
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gas_volume_string(end, ")");
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}
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static QVariant gas_volume_tooltip(const cylinder_t *cyl, pressure_t p)
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{
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int vol = gas_volume(cyl, p);
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double Z;
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if (!vol)
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return QVariant();
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Z = gas_compressibility_factor(cyl->gasmix, p.mbar / 1000.0);
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return gas_volume_string(vol, "(Z=") + QString("%1)").arg(Z, 0, 'f', 3);
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}
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static QVariant gas_wp_tooltip(const cylinder_t *cyl)
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{
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return gas_volume_tooltip(cyl, cyl->type.workingpressure);
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}
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static QVariant gas_start_tooltip(const cylinder_t *cyl)
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{
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return gas_volume_tooltip(cyl, cyl->start.mbar ? cyl->start : cyl->sample_start);
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}
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static QVariant gas_end_tooltip(const cylinder_t *cyl)
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{
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return gas_volume_tooltip(cyl, cyl->end.mbar ? cyl->end : cyl->sample_end);
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}
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static QVariant percent_string(fraction_t fraction)
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{
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int permille = fraction.permille;
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if (!permille)
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return QVariant();
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return QString("%L1%").arg(permille / 10.0, 0, 'f', 1);
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}
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QVariant CylindersModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid() || index.row() >= rows)
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return QVariant();
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if (index.row() >= displayed_dive.cylinders.nr) {
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qWarning("CylindersModel and displayed_dive are out of sync!");
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return QVariant();
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}
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const cylinder_t *cyl = get_cylinder(&displayed_dive, index.row());
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switch (role) {
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case Qt::BackgroundRole: {
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switch (index.column()) {
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// mark the cylinder start / end pressure in red if the values
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// seem implausible
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case START:
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case END:
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pressure_t startp, endp;
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startp = cyl->start.mbar ? cyl->start : cyl->sample_start;
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endp = cyl->end.mbar ? cyl->end : cyl->sample_end;
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if ((startp.mbar && !endp.mbar) ||
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(endp.mbar && startp.mbar <= endp.mbar))
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return REDORANGE1_HIGH_TRANS;
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break;
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}
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break;
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}
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case Qt::FontRole: {
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QFont font = defaultModelFont();
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switch (index.column()) {
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// if we don't have manually set pressure data use italic font
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case START:
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font.setItalic(!cyl->start.mbar);
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break;
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case END:
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font.setItalic(!cyl->end.mbar);
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break;
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}
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return font;
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}
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case Qt::TextAlignmentRole:
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return Qt::AlignCenter;
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case Qt::DisplayRole:
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case Qt::EditRole:
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switch (index.column()) {
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case TYPE:
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return QString(cyl->type.description);
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case SIZE:
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if (cyl->type.size.mliter)
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return get_cylinder_string(cyl);
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break;
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case WORKINGPRESS:
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if (cyl->type.workingpressure.mbar)
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return get_pressure_string(cyl->type.workingpressure, true);
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break;
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case START:
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if (cyl->start.mbar)
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return get_pressure_string(cyl->start, true);
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else if (cyl->sample_start.mbar)
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return get_pressure_string(cyl->sample_start, true);
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break;
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case END:
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if (cyl->end.mbar)
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return get_pressure_string(cyl->end, true);
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else if (cyl->sample_end.mbar)
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return get_pressure_string(cyl->sample_end, true);
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break;
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case O2:
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return percent_string(cyl->gasmix.o2);
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case HE:
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return percent_string(cyl->gasmix.he);
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case DEPTH:
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return get_depth_string(cyl->depth, true);
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case MOD:
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if (cyl->bestmix_o2) {
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return QStringLiteral("*");
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} else {
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pressure_t modpO2;
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modpO2.mbar = prefs.bottompo2;
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return get_depth_string(gas_mod(cyl->gasmix, modpO2, &displayed_dive, M_OR_FT(1,1)), true);
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}
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case MND:
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if (cyl->bestmix_he)
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return QStringLiteral("*");
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else
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return get_depth_string(gas_mnd(cyl->gasmix, prefs.bestmixend, &displayed_dive, M_OR_FT(1,1)), true);
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break;
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case USE:
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return gettextFromC::tr(cylinderuse_text[cyl->cylinder_use]);
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}
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break;
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case Qt::DecorationRole:
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case Qt::SizeHintRole:
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if (index.column() == REMOVE) {
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if ((in_planner() && DivePlannerPointsModel::instance()->tankInUse(index.row())) ||
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(!in_planner() && is_cylinder_prot(&displayed_dive, index.row()))) {
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return trashForbiddenIcon();
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}
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return trashIcon();
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}
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break;
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case Qt::ToolTipRole:
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switch (index.column()) {
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case REMOVE:
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if ((in_planner() && DivePlannerPointsModel::instance()->tankInUse(index.row())) ||
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(!in_planner() && is_cylinder_prot(&displayed_dive, index.row()))) {
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return tr("This gas is in use. Only cylinders that are not used in the dive can be removed.");
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}
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return tr("Clicking here will remove this cylinder.");
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case TYPE:
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case SIZE:
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return gas_usage_tooltip(cyl);
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case WORKINGPRESS:
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return gas_wp_tooltip(cyl);
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case START:
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return gas_start_tooltip(cyl);
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case END:
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return gas_end_tooltip(cyl);
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case DEPTH:
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return tr("Switch depth for deco gas. Calculated using Deco pO₂ preference, unless set manually.");
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case MOD:
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return tr("Calculated using Bottom pO₂ preference. Setting MOD adjusts O₂%, set to '*' for best O₂% for max. depth.");
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case MND:
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return tr("Calculated using Best Mix END preference. Setting MND adjusts He%, set to '*' for best He% for max. depth.");
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}
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break;
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}
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return QVariant();
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}
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cylinder_t *CylindersModel::cylinderAt(const QModelIndex &index)
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{
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return get_cylinder(&displayed_dive, index.row());
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}
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// this is our magic 'pass data in' function that allows the delegate to get
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// the data here without silly unit conversions;
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// so we only implement the two columns we care about
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void CylindersModel::passInData(const QModelIndex &index, const QVariant &value)
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{
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cylinder_t *cyl = cylinderAt(index);
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switch (index.column()) {
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case SIZE:
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if (cyl->type.size.mliter != value.toInt()) {
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cyl->type.size.mliter = value.toInt();
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dataChanged(index, index);
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}
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break;
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case WORKINGPRESS:
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if (cyl->type.workingpressure.mbar != value.toInt()) {
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cyl->type.workingpressure.mbar = value.toInt();
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dataChanged(index, index);
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}
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break;
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}
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}
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bool CylindersModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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QString vString;
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cylinder_t *cyl = cylinderAt(index);
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switch (index.column()) {
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case TYPE:
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if (!value.isNull()) {
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QByteArray ba = value.toByteArray();
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const char *text = ba.constData();
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if (!cyl->type.description || strcmp(cyl->type.description, text)) {
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cyl->type.description = strdup(text);
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changed = true;
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}
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}
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break;
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case SIZE:
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if (CHANGED()) {
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TankInfoModel *tanks = TankInfoModel::instance();
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QModelIndexList matches = tanks->match(tanks->index(0, 0), Qt::DisplayRole, cyl->type.description);
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cyl->type.size = string_to_volume(qPrintable(vString), cyl->type.workingpressure);
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mark_divelist_changed(true);
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if (!matches.isEmpty())
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tanks->setData(tanks->index(matches.first().row(), TankInfoModel::ML), cyl->type.size.mliter);
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changed = true;
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}
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break;
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case WORKINGPRESS:
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if (CHANGED()) {
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TankInfoModel *tanks = TankInfoModel::instance();
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QModelIndexList matches = tanks->match(tanks->index(0, 0), Qt::DisplayRole, cyl->type.description);
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cyl->type.workingpressure = string_to_pressure(qPrintable(vString));
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if (!matches.isEmpty())
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tanks->setData(tanks->index(matches.first().row(), TankInfoModel::BAR), cyl->type.workingpressure.mbar / 1000.0);
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changed = true;
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}
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break;
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case START:
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if (CHANGED()) {
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cyl->start = string_to_pressure(qPrintable(vString));
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changed = true;
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}
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break;
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case END:
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if (CHANGED()) {
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//&& (!cyl->start.mbar || string_to_pressure(qPrintable(vString)).mbar <= cyl->start.mbar)) {
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cyl->end = string_to_pressure(qPrintable(vString));
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changed = true;
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}
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break;
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case O2:
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if (CHANGED()) {
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cyl->gasmix.o2 = string_to_fraction(qPrintable(vString));
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// fO2 + fHe must not be greater than 1
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if (get_o2(cyl->gasmix) + get_he(cyl->gasmix) > 1000)
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cyl->gasmix.he.permille = 1000 - get_o2(cyl->gasmix);
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pressure_t modpO2;
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if (displayed_dive.dc.divemode == PSCR)
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modpO2.mbar = prefs.decopo2 + (1000 - get_o2(cyl->gasmix)) * SURFACE_PRESSURE *
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prefs.o2consumption / prefs.decosac / prefs.pscr_ratio;
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else
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modpO2.mbar = prefs.decopo2;
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cyl->depth = gas_mod(cyl->gasmix, modpO2, &displayed_dive, M_OR_FT(3, 10));
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cyl->bestmix_o2 = false;
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changed = true;
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}
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break;
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case HE:
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if (CHANGED()) {
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cyl->gasmix.he = string_to_fraction(qPrintable(vString));
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// fO2 + fHe must not be greater than 1
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if (get_o2(cyl->gasmix) + get_he(cyl->gasmix) > 1000)
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cyl->gasmix.o2.permille = 1000 - get_he(cyl->gasmix);
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cyl->bestmix_he = false;
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changed = true;
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}
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break;
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case DEPTH:
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if (CHANGED()) {
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cyl->depth = string_to_depth(qPrintable(vString));
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changed = true;
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}
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break;
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case MOD:
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if (CHANGED()) {
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if (QString::compare(qPrintable(vString), "*") == 0) {
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cyl->bestmix_o2 = true;
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// Calculate fO2 for max. depth
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cyl->gasmix.o2 = best_o2(displayed_dive.maxdepth, &displayed_dive);
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} else {
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cyl->bestmix_o2 = false;
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// Calculate fO2 for input depth
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cyl->gasmix.o2 = best_o2(string_to_depth(qPrintable(vString)), &displayed_dive);
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}
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pressure_t modpO2;
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modpO2.mbar = prefs.decopo2;
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cyl->depth = gas_mod(cyl->gasmix, modpO2, &displayed_dive, M_OR_FT(3, 10));
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changed = true;
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}
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break;
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case MND:
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if (CHANGED()) {
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if (QString::compare(qPrintable(vString), "*") == 0) {
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cyl->bestmix_he = true;
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// Calculate fO2 for max. depth
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cyl->gasmix.he = best_he(displayed_dive.maxdepth, &displayed_dive, prefs.o2narcotic, cyl->gasmix.o2);
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} else {
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cyl->bestmix_he = false;
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// Calculate fHe for input depth
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cyl->gasmix.he = best_he(string_to_depth(qPrintable(vString)), &displayed_dive, prefs.o2narcotic, cyl->gasmix.o2);
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}
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changed = true;
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}
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break;
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case USE:
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if (CHANGED()) {
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int use = vString.toInt();
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if (use > NUM_GAS_USE - 1 || use < 0)
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use = 0;
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cyl->cylinder_use = (enum cylinderuse)use;
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changed = true;
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}
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break;
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}
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dataChanged(index, index);
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return true;
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}
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int CylindersModel::rowCount(const QModelIndex&) const
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{
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return rows;
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}
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void CylindersModel::add()
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{
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int row = rows;
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cylinder_t cyl = empty_cylinder;
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fill_default_cylinder(&displayed_dive, &cyl);
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cyl.start = cyl.type.workingpressure;
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cyl.manually_added = true;
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cyl.cylinder_use = OC_GAS;
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beginInsertRows(QModelIndex(), row, row);
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add_to_cylinder_table(&displayed_dive.cylinders, row, cyl);
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rows++;
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changed = true;
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endInsertRows();
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emit dataChanged(createIndex(row, 0), createIndex(row, COLUMNS - 1));
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}
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void CylindersModel::clear()
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{
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if (rows > 0) {
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beginRemoveRows(QModelIndex(), 0, rows - 1);
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endRemoveRows();
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}
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}
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static bool show_cylinder(struct dive *dive, int i)
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{
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if (i < 0 || i >= dive->cylinders.nr)
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return false;
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if (is_cylinder_used(dive, i))
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return true;
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cylinder_t *cyl = get_cylinder(dive, i);
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if (cyl->start.mbar || cyl->sample_start.mbar ||
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cyl->end.mbar || cyl->sample_end.mbar)
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return true;
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if (cyl->manually_added)
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return true;
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/*
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* The cylinder has some data, but none of it is very interesting,
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* it has no pressures and no gas switches. Do we want to show it?
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*/
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return prefs.display_unused_tanks;
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}
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void CylindersModel::updateDive()
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{
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#ifdef DEBUG_CYL
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dump_cylinders(&displayed_dive, true);
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#endif
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beginResetModel();
|
||
// TODO: this is fundamentally broken - it assumes that unused cylinders are at
|
||
// the end. Fix by using a QSortFilterProxyModel.
|
||
rows = 0;
|
||
for (int i = 0; i < displayed_dive.cylinders.nr; ++i) {
|
||
if (show_cylinder(&displayed_dive, i))
|
||
++rows;
|
||
}
|
||
endResetModel();
|
||
}
|
||
|
||
Qt::ItemFlags CylindersModel::flags(const QModelIndex &index) const
|
||
{
|
||
if (index.column() == REMOVE || index.column() == USE)
|
||
return Qt::ItemIsEnabled;
|
||
return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
|
||
}
|
||
|
||
void CylindersModel::remove(QModelIndex index)
|
||
{
|
||
|
||
if (index.column() == USE) {
|
||
cylinder_t *cyl = cylinderAt(index);
|
||
if (cyl->cylinder_use == OC_GAS)
|
||
cyl->cylinder_use = NOT_USED;
|
||
else if (cyl->cylinder_use == NOT_USED)
|
||
cyl->cylinder_use = OC_GAS;
|
||
changed = true;
|
||
dataChanged(index, index);
|
||
return;
|
||
}
|
||
|
||
if (index.column() != REMOVE)
|
||
return;
|
||
|
||
if ((in_planner() && DivePlannerPointsModel::instance()->tankInUse(index.row())) ||
|
||
(!in_planner() && is_cylinder_prot(&displayed_dive, index.row())))
|
||
return;
|
||
|
||
beginRemoveRows(QModelIndex(), index.row(), index.row());
|
||
rows--;
|
||
remove_cylinder(&displayed_dive, index.row());
|
||
changed = true;
|
||
endRemoveRows();
|
||
|
||
// Create a mapping of cylinder indexes:
|
||
// 1) Fill mapping[0]..mapping[index-1] with 0..index
|
||
// 2) Set mapping[index] to -1
|
||
// 3) Fill mapping[index+1]..mapping[end] with index..
|
||
std::vector<int> mapping(displayed_dive.cylinders.nr + 1);
|
||
std::iota(mapping.begin(), mapping.begin() + index.row(), 0);
|
||
mapping[index.row()] = -1;
|
||
std::iota(mapping.begin() + index.row() + 1, mapping.end(), index.row());
|
||
|
||
cylinder_renumber(&displayed_dive, &mapping[0]);
|
||
if (in_planner())
|
||
DivePlannerPointsModel::instance()->cylinderRenumber(&mapping[0]);
|
||
changed = true;
|
||
}
|
||
|
||
void CylindersModel::moveAtFirst(int cylid)
|
||
{
|
||
cylinder_t temp_cyl;
|
||
|
||
beginMoveRows(QModelIndex(), cylid, cylid, QModelIndex(), 0);
|
||
memmove(&temp_cyl, get_cylinder(&displayed_dive, cylid), sizeof(temp_cyl));
|
||
for (int i = cylid - 1; i >= 0; i--)
|
||
memmove(get_cylinder(&displayed_dive, i + 1), get_cylinder(&displayed_dive, i), sizeof(temp_cyl));
|
||
memmove(get_cylinder(&displayed_dive, 0), &temp_cyl, sizeof(temp_cyl));
|
||
|
||
// Create a mapping of cylinder indexes:
|
||
// 1) Fill mapping[0]..mapping[cyl] with 0..index
|
||
// 2) Set mapping[cyl] to 0
|
||
// 3) Fill mapping[cyl+1]..mapping[end] with cyl..
|
||
std::vector<int> mapping(displayed_dive.cylinders.nr);
|
||
std::iota(mapping.begin(), mapping.begin() + cylid, 1);
|
||
mapping[cylid] = 0;
|
||
std::iota(mapping.begin() + (cylid + 1), mapping.end(), cylid);
|
||
cylinder_renumber(&displayed_dive, &mapping[0]);
|
||
if (in_planner())
|
||
DivePlannerPointsModel::instance()->cylinderRenumber(&mapping[0]);
|
||
changed = true;
|
||
endMoveRows();
|
||
}
|
||
|
||
void CylindersModel::updateDecoDepths(pressure_t olddecopo2)
|
||
{
|
||
pressure_t decopo2;
|
||
decopo2.mbar = prefs.decopo2;
|
||
for (int i = 0; i < displayed_dive.cylinders.nr; i++) {
|
||
cylinder_t *cyl = get_cylinder(&displayed_dive, i);
|
||
/* If the gas's deco MOD matches the old pO2, it will have been automatically calculated and should be updated.
|
||
* If they don't match, we should leave the user entered depth as it is */
|
||
if (cyl->depth.mm == gas_mod(cyl->gasmix, olddecopo2, &displayed_dive, M_OR_FT(3, 10)).mm) {
|
||
cyl->depth = gas_mod(cyl->gasmix, decopo2, &displayed_dive, M_OR_FT(3, 10));
|
||
}
|
||
}
|
||
emit dataChanged(createIndex(0, 0), createIndex(displayed_dive.cylinders.nr - 1, COLUMNS - 1));
|
||
}
|
||
|
||
void CylindersModel::updateTrashIcon()
|
||
{
|
||
emit dataChanged(createIndex(0, 0), createIndex(displayed_dive.cylinders.nr - 1, 0));
|
||
}
|
||
|
||
bool CylindersModel::updateBestMixes()
|
||
{
|
||
// Check if any of the cylinders are best mixes, update if needed
|
||
bool gasUpdated = false;
|
||
for (int i = 0; i < displayed_dive.cylinders.nr; i++) {
|
||
cylinder_t *cyl = get_cylinder(&displayed_dive, i);
|
||
if (cyl->bestmix_o2) {
|
||
cyl->gasmix.o2 = best_o2(displayed_dive.maxdepth, &displayed_dive);
|
||
// fO2 + fHe must not be greater than 1
|
||
if (get_o2(cyl->gasmix) + get_he(cyl->gasmix) > 1000)
|
||
cyl->gasmix.he.permille = 1000 - get_o2(cyl->gasmix);
|
||
pressure_t modpO2;
|
||
modpO2.mbar = prefs.decopo2;
|
||
cyl->depth = gas_mod(cyl->gasmix, modpO2, &displayed_dive, M_OR_FT(3, 10));
|
||
gasUpdated = true;
|
||
}
|
||
if (cyl->bestmix_he) {
|
||
cyl->gasmix.he = best_he(displayed_dive.maxdepth, &displayed_dive, prefs.o2narcotic, cyl->gasmix.o2);
|
||
// fO2 + fHe must not be greater than 1
|
||
if (get_o2(cyl->gasmix) + get_he(cyl->gasmix) > 1000)
|
||
cyl->gasmix.o2.permille = 1000 - get_he(cyl->gasmix);
|
||
gasUpdated = true;
|
||
}
|
||
}
|
||
/* This slot is called when the bottom pO2 and END preferences are updated, we want to
|
||
* emit dataChanged so MOD and MND are refreshed, even if the gas mix hasn't been changed */
|
||
if (gasUpdated)
|
||
emit dataChanged(createIndex(0, 0), createIndex(displayed_dive.cylinders.nr - 1, COLUMNS - 1));
|
||
return gasUpdated;
|
||
}
|
||
|
||
void CylindersModel::cylindersReset(const QVector<dive *> &dives)
|
||
{
|
||
// This model only concerns the currently displayed dive. If this is not among the
|
||
// dives that had their cylinders reset, exit.
|
||
if (!current_dive || std::find(dives.begin(), dives.end(), current_dive) == dives.end())
|
||
return;
|
||
|
||
// Copy the cylinders from the current dive to the displayed dive.
|
||
copy_cylinders(¤t_dive->cylinders, &displayed_dive.cylinders);
|
||
|
||
// And update the model..
|
||
updateDive();
|
||
}
|