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Cleanup: implement proper Qt-model semantics in DivePlotData model

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User beginResetModel()/endResetModel() pairs to reset the model.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-06-29 10:31:49 +02:00 • committed by Dirk Hohndel
parent 77e5dbac73
commit 3025e0630d
1 changed files with 11 additions and 15 deletions
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12
qt-models/diveplotdatamodel.cpp
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@ -164,29 +164,25 @@ QVariant DivePlotDataModel::headerData(int section, Qt::Orientation orientation,
void DivePlotDataModel::clear()
{
if (rowCount() != 0) {
beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
beginResetModel();
pInfo.nr = 0;
free(pInfo.entry);
pInfo.entry = 0;
diveId = -1;
dcNr = -1;
endRemoveRows();
}
endResetModel();
}
void DivePlotDataModel::setDive(dive *d, const plot_info &info)
{
clear();
Q_ASSERT(d != NULL);
beginResetModel();
diveId = d->id;
dcNr = dc_number;
free(pInfo.entry);
pInfo = info;
pInfo.entry = (struct plot_data *)malloc(sizeof(struct plot_data) * pInfo.nr);
memcpy(pInfo.entry, info.entry, sizeof(plot_data) * pInfo.nr);
beginInsertRows(QModelIndex(), 0, pInfo.nr - 1);
endInsertRows();
endResetModel();
}
unsigned int DivePlotDataModel::dcShown() const