133 lines
3.0 KiB
C++
133 lines
3.0 KiB
C++
/* info_proxy_model.cpp
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* Proxy model for displaying an info text at the end of any QAbstractListModel
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <config.h>
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#include <ui/qt/models/info_proxy_model.h>
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#include <QFont>
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InfoProxyModel::InfoProxyModel(QObject * parent)
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: QIdentityProxyModel(parent),
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column_(-1)
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{
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}
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InfoProxyModel::~InfoProxyModel()
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{
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infos_.clear();
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}
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void InfoProxyModel::appendInfo(QString info)
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{
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if ( ! infos_.contains(info) )
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infos_ << info;
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}
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void InfoProxyModel::clearInfos()
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{
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infos_.clear();
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}
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int InfoProxyModel::rowCount(const QModelIndex &parent) const
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{
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return sourceModel()->rowCount(parent) + infos_.count();
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}
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QVariant InfoProxyModel::data (const QModelIndex &index, int role) const
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{
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if ( ! index.isValid() )
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return QVariant();
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if ( index.row() < sourceModel()->rowCount() )
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return sourceModel()->data(mapToSource(index), role);
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int ifIdx = index.row() - sourceModel()->rowCount();
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if ( index.column() != column_ || ifIdx < 0 || ifIdx >= infos_.count() )
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return QVariant();
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switch ( role )
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{
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case Qt::DisplayRole:
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return infos_.at(ifIdx);
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break;
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case Qt::FontRole:
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QFont font = QIdentityProxyModel::data(index, Qt::FontRole).value<QFont>();
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font.setItalic(true);
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return font;
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}
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return QIdentityProxyModel::data(index, role);
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}
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Qt::ItemFlags InfoProxyModel::flags(const QModelIndex &index) const
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{
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if ( index.row() < sourceModel()->rowCount() )
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return sourceModel()->flags(mapToSource(index));
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return 0;
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}
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QModelIndex InfoProxyModel::index(int row, int column, const QModelIndex &parent) const
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{
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if ( row >= sourceModel()->rowCount() && row < rowCount() )
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return createIndex(row, column);
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return QIdentityProxyModel::index(row, column, parent);
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}
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QModelIndex InfoProxyModel::mapToSource(const QModelIndex &proxyIndex) const
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{
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if ( ! proxyIndex.isValid() )
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return QModelIndex();
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if ( proxyIndex.row() >= sourceModel()->rowCount() )
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return QModelIndex();
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return QIdentityProxyModel::mapToSource(proxyIndex);
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}
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QModelIndex InfoProxyModel::mapFromSource(const QModelIndex &fromIndex) const
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{
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return QIdentityProxyModel::mapFromSource(fromIndex);
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}
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void InfoProxyModel::setColumn(int column)
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{
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int old_column = column_;
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column_ = column;
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QVector<int> roles;
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roles << Qt::DisplayRole;
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if (old_column >= 0) {
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//Notify old column has changed
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emit dataChanged(index(0, old_column), index(rowCount(), old_column), roles );
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}
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if (column_ >= 0) {
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//Notify new column has changed
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emit dataChanged(index(0, column_), index(rowCount(), column_), roles);
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}
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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