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794066b236
Instead of accessing the cylinder table directly, use the get_cylinder() function. This gives less unwieldy expressions. But more importantly, the function does bound checking. This is crucial for now as the code hasn't be properly audited since the change to arbitrarily sized cylinder tables. Accesses of invalid cylinder indexes may lead to silent data-corruption that is sometimes not even noticed by valgrind. Returning NULL instead of an invalid pointer will make debugging much easier. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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/*
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* models.cpp
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*
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* classes for the equipment models of Subsurface
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*
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*/
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#include "qt-models/models.h"
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#include "core/qthelper.h"
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#include "core/dive.h"
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#include "core/gettextfromc.h"
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#include <QLocale>
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Qt::ItemFlags GasSelectionModel::flags(const QModelIndex&) const
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{
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return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
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}
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GasSelectionModel *GasSelectionModel::instance()
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{
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static GasSelectionModel self;
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return &self;
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}
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static QStringList getGasList()
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{
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QStringList list;
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for (int i = 0; i < displayed_dive.cylinders.nr; i++) {
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const cylinder_t *cyl = get_cylinder(&displayed_dive, i);
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/* Check if we have the same gasmix two or more times
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* If yes return more verbose string */
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int same_gas = same_gasmix_cylinder(cyl, i, &displayed_dive, true);
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if (same_gas == -1)
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list.push_back(get_gas_string(cyl->gasmix));
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else
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list.push_back(get_gas_string(cyl->gasmix) + QString(" (%1 %2 ").arg(GasSelectionModel::tr("cyl.")).arg(i + 1) +
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cyl->type.description + ")");
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}
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return list;
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}
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void GasSelectionModel::repopulate()
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{
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setStringList(getGasList());
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}
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QVariant GasSelectionModel::data(const QModelIndex &index, int role) const
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{
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if (role == Qt::FontRole) {
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return defaultModelFont();
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}
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return QStringListModel::data(index, role);
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}
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// Dive Type Model for the divetype combo box
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Qt::ItemFlags DiveTypeSelectionModel::flags(const QModelIndex&) const
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{
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return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
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}
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DiveTypeSelectionModel *DiveTypeSelectionModel::instance()
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{
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static DiveTypeSelectionModel self;
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return &self;
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}
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void DiveTypeSelectionModel::repopulate()
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{
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QStringList modes = QStringList();
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for (int i = 0; i < FREEDIVE; i++)
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modes.append(gettextFromC::tr(divemode_text_ui[i]));
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setStringList(modes);
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}
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QVariant DiveTypeSelectionModel::data(const QModelIndex &index, int role) const
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{
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if (role == Qt::FontRole) {
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return defaultModelFont();
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}
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return QStringListModel::data(index, role);
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}
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// Language Model, The Model to populate the list of possible Languages.
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LanguageModel *LanguageModel::instance()
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{
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static LanguageModel *self = new LanguageModel();
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QLocale l;
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return self;
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}
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LanguageModel::LanguageModel(QObject *parent) : QAbstractListModel(parent)
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{
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QDir d(getSubsurfaceDataPath("translations"));
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Q_FOREACH (const QString &s, d.entryList()) {
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if (s.startsWith("subsurface_") && s.endsWith(".qm")) {
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languages.push_back((s == "subsurface_source.qm") ? "English" : s);
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}
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}
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}
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QVariant LanguageModel::data(const QModelIndex &index, int role) const
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{
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QLocale loc;
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QString currentString = languages.at(index.row());
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if (!index.isValid())
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return QVariant();
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switch (role) {
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case Qt::DisplayRole: {
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QLocale l(currentString.remove("subsurface_").remove(".qm"));
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return currentString == "English" ? currentString : QString("%1 (%2)").arg(l.languageToString(l.language())).arg(l.countryToString(l.country()));
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}
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case Qt::UserRole:
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return currentString == "English" ? "en_US" : currentString.remove("subsurface_").remove(".qm");
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}
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return QVariant();
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}
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int LanguageModel::rowCount(const QModelIndex&) const
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{
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return languages.count();
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}
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