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https://github.com/subsurface/subsurface.git
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638e7fb28f
This adds tooltips for the equipment tab for each cylinder, showing the amount of gas used. When you mouse over the size and working pressure fields, the tooltip will show the amount of gas used (along with start and end gas volumes). And when you mouse over the start and end pressures, it will show the start and end gas volumes, and the Z factor used. I started doing this because of the gas volume questions in the last day or two (and a few from a few weeks ago). When even Robert Helling starts wondering about the effects of compressibility on the SAC calculation, our numbers are clearly too opaque. With these tooltips, at least you can see what went into the used gas calculations, instead of having to add debugging options to print out Z factors. [ This patch also adds a "rint()" to get the rounding right in the gas_volume() function. Although rounding to the nearst milliliter really doesn't matter, it's the right thing to do after doing FP calculations ;^] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
580 lines
16 KiB
C++
580 lines
16 KiB
C++
#include "cylindermodel.h"
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#include "tankinfomodel.h"
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#include "models.h"
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#include "core/helpers.h"
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#include "core/dive.h"
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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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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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}
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CylindersModel *CylindersModel::instance()
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{
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static QScopedPointer<CylindersModel> self(new CylindersModel());
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return self.data();
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}
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static QString get_cylinder_string(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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double real_value = ml_to_cuft(gas_volume(cyl, wp));
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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 = QString("(%1)%2").arg(real_value, 0, 'f', 0).arg(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("%1").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("%1 %2 %3").arg(vol, 0, 'f', decimals).arg(unit).arg(tail);
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}
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static QVariant gas_usage_tooltip(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 QVariant();
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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(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_start_tooltip(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(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("%1%").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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QVariant ret;
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if (!index.isValid() || index.row() >= MAX_CYLINDERS)
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return ret;
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cylinder_t *cyl = &displayed_dive.cylinder[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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if ((cyl->start.mbar && !cyl->end.mbar) ||
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(cyl->end.mbar && cyl->start.mbar <= cyl->end.mbar))
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ret = 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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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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ret = font;
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break;
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}
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case Qt::TextAlignmentRole:
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ret = Qt::AlignCenter;
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break;
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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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ret = QString(cyl->type.description);
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break;
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case SIZE:
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if (cyl->type.size.mliter)
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ret = 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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ret = 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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ret = get_pressure_string(cyl->start, true);
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else if (cyl->sample_start.mbar)
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ret = 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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ret = get_pressure_string(cyl->end, true);
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else if (cyl->sample_end.mbar)
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ret = get_pressure_string(cyl->sample_end, true);
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break;
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case O2:
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ret = percent_string(cyl->gasmix.o2);
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break;
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case HE:
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ret = percent_string(cyl->gasmix.he);
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break;
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case DEPTH:
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ret = get_depth_string(cyl->depth, true);
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break;
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case MOD:
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if (cyl->bestmix_o2) {
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ret = QString("*");
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} else {
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pressure_t modpO2;
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modpO2.mbar = prefs.bottompo2;
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ret = get_depth_string(gas_mod(&cyl->gasmix, modpO2, &displayed_dive, M_OR_FT(1,1)));
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}
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break;
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case MND:
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if (cyl->bestmix_he)
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ret = QString("*");
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else
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ret = get_depth_string(gas_mnd(&cyl->gasmix, prefs.bestmixend, &displayed_dive, M_OR_FT(1,1)));
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break;
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case USE:
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ret = gettextFromC::instance()->trGettext(cylinderuse_text[cyl->cylinder_use]);
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break;
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}
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break;
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case Qt::DecorationRole:
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if (index.column() == REMOVE) {
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if (rowCount() > 1)
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ret = trashIcon();
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else
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ret = trashForbiddenIcon();
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}
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break;
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case Qt::SizeHintRole:
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if (index.column() == REMOVE) {
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if (rowCount() > 1)
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ret = trashIcon();
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else
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ret = trashForbiddenIcon();
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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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ret = tr("Clicking here will remove this cylinder.");
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break;
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case SIZE:
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case WORKINGPRESS:
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return gas_usage_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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ret = tr("Switch depth for deco gas. Calculated using Deco pO₂ preference, unless set manually.");
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break;
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case MOD:
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ret = tr("Calculated using Bottom pO₂ preference. Setting MOD adjusts O₂%, set to '*' for best O₂% for max depth.");
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break;
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case MND:
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ret = tr("Calculated using Best Mix END preference. Setting MND adjusts He%, set to '*' for best He% for max depth.");
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break;
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}
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break;
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}
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return ret;
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}
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cylinder_t *CylindersModel::cylinderAt(const QModelIndex &index)
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{
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return &displayed_dive.cylinder[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(vString.toUtf8().data(), 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(vString.toUtf8().data());
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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(vString.toUtf8().data());
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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(vString.toUtf8().data()).mbar <= cyl->start.mbar)) {
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cyl->end = string_to_pressure(vString.toUtf8().data());
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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(vString.toUtf8().data());
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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(vString.toUtf8().data());
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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(vString.toUtf8().data());
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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(vString.toUtf8().data(), "*") == 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(vString.toUtf8().data()), &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(vString.toUtf8().data(), "*") == 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);
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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(vString.toUtf8().data()), &displayed_dive);
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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 &parent) const
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{
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Q_UNUSED(parent);
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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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if (rows >= MAX_CYLINDERS) {
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return;
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}
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int row = rows;
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fill_default_cylinder(&displayed_dive.cylinder[row]);
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displayed_dive.cylinder[row].manually_added = true;
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beginInsertRows(QModelIndex(), row, row);
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rows++;
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changed = true;
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endInsertRows();
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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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void CylindersModel::updateDive()
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{
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clear();
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rows = 0;
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for (int i = 0; i < MAX_CYLINDERS; i++) {
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if (!cylinder_none(&displayed_dive.cylinder[i]) &&
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(prefs.display_unused_tanks ||
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is_cylinder_used(&displayed_dive, i) ||
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displayed_dive.cylinder[i].manually_added))
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rows = i + 1;
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}
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if (rows > 0) {
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beginInsertRows(QModelIndex(), 0, rows - 1);
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endInsertRows();
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}
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}
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void CylindersModel::copyFromDive(dive *d)
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{
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if (!d)
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return;
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rows = 0;
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for (int i = 0; i < MAX_CYLINDERS; i++) {
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if (!cylinder_none(&d->cylinder[i]) &&
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(is_cylinder_used(d, i) || prefs.display_unused_tanks)) {
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rows = i + 1;
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}
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}
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if (rows > 0) {
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beginInsertRows(QModelIndex(), 0, rows - 1);
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endInsertRows();
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}
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}
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Qt::ItemFlags CylindersModel::flags(const QModelIndex &index) const
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{
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if (index.column() == REMOVE)
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return Qt::ItemIsEnabled;
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return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
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}
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void CylindersModel::remove(const QModelIndex &index)
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{
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int mapping[MAX_CYLINDERS];
|
||
if (index.column() != REMOVE) {
|
||
return;
|
||
}
|
||
int same_gas = -1;
|
||
cylinder_t *cyl = &displayed_dive.cylinder[index.row()];
|
||
struct gasmix *mygas = &cyl->gasmix;
|
||
for (int i = 0; i < MAX_CYLINDERS; i++) {
|
||
mapping[i] = i;
|
||
if (i == index.row() || cylinder_none(&displayed_dive.cylinder[i]))
|
||
continue;
|
||
struct gasmix *gas2 = &displayed_dive.cylinder[i].gasmix;
|
||
if (gasmix_distance(mygas, gas2) == 0)
|
||
same_gas = i;
|
||
}
|
||
if (same_gas == -1 &&
|
||
((DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING &&
|
||
DivePlannerPointsModel::instance()->tankInUse(index.row())) ||
|
||
(DivePlannerPointsModel::instance()->currentMode() == DivePlannerPointsModel::NOTHING &&
|
||
is_cylinder_used(&displayed_dive, index.row())))) {
|
||
emit warningMessage(TITLE_OR_TEXT(
|
||
tr("Cylinder cannot be removed"),
|
||
tr("This gas is in use. Only cylinders that are not used in the dive can be removed.")));
|
||
return;
|
||
}
|
||
beginRemoveRows(QModelIndex(), index.row(), index.row()); // yah, know, ugly.
|
||
rows--;
|
||
// if we didn't find an identical gas, point same_gas at the index.row()
|
||
if (same_gas == -1)
|
||
same_gas = index.row();
|
||
if (index.row() == 0) {
|
||
// first gas - we need to make sure that the same gas ends up
|
||
// as first gas
|
||
memmove(cyl, &displayed_dive.cylinder[same_gas], sizeof(*cyl));
|
||
remove_cylinder(&displayed_dive, same_gas);
|
||
mapping[same_gas] = 0;
|
||
for (int i = same_gas + 1; i < MAX_CYLINDERS; i++)
|
||
mapping[i] = i - 1;
|
||
} else {
|
||
remove_cylinder(&displayed_dive, index.row());
|
||
if (same_gas > index.row())
|
||
same_gas--;
|
||
mapping[index.row()] = same_gas;
|
||
for (int i = index.row() + 1; i < MAX_CYLINDERS; i++)
|
||
mapping[i] = i - 1;
|
||
}
|
||
changed = true;
|
||
endRemoveRows();
|
||
struct divecomputer *dc = &displayed_dive.dc;
|
||
while (dc) {
|
||
dc_cylinder_renumber(&displayed_dive, dc, mapping);
|
||
dc = dc->next;
|
||
}
|
||
}
|
||
|
||
void CylindersModel::updateDecoDepths(pressure_t olddecopo2)
|
||
{
|
||
pressure_t decopo2;
|
||
decopo2.mbar = prefs.decopo2;
|
||
for (int i = 0; i < MAX_CYLINDERS; i++) {
|
||
cylinder_t *cyl = &displayed_dive.cylinder[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(MAX_CYLINDERS - 1, COLUMNS - 1));
|
||
}
|
||
|
||
bool CylindersModel::updateBestMixes()
|
||
{
|
||
// Check if any of the cylinders are best mixes, update if needed
|
||
bool gasUpdated = false;
|
||
for (int i = 0; i < MAX_CYLINDERS; i++) {
|
||
cylinder_t *cyl = &displayed_dive.cylinder[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);
|
||
// 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 */
|
||
emit dataChanged(createIndex(0, 0), createIndex(MAX_CYLINDERS - 1, COLUMNS - 1));
|
||
return gasUpdated;
|
||
}
|