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/* profile_tree_view.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <ui/qt/models/profile_model.h>
#include <ui/qt/utils/qt_ui_utils.h>
#include <ui/qt/widgets/display_filter_edit.h>
#include <ui/qt/widgets/profile_tree_view.h>
#include <QDesktopServices>
#include <QDir>
#include <QHeaderView>
#include <QItemDelegate>
#include <QLineEdit>
ProfileTreeEditDelegate::ProfileTreeEditDelegate(QWidget *parent) : QItemDelegate(parent), editor_(Q_NULLPTR) {}
QWidget *ProfileTreeEditDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (index.column() == ProfileModel::COL_AUTO_SWITCH_FILTER) {
return new DisplayFilterEdit(parent);
}
return QItemDelegate::createEditor(parent, option, index);
}
void ProfileTreeEditDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
if (qobject_cast<QLineEdit *>(editor))
{
QLineEdit * ql = qobject_cast<QLineEdit *>(editor);
ql->setText(index.data().toString());
}
}
ProfileTreeView::ProfileTreeView(QWidget *parent) :
QTreeView (parent)
{
delegate_ = new ProfileTreeEditDelegate();
setItemDelegateForColumn(ProfileModel::COL_NAME, delegate_);
setItemDelegateForColumn(ProfileModel::COL_AUTO_SWITCH_FILTER, delegate_);
connect(delegate_, &ProfileTreeEditDelegate::commitData, this, &ProfileTreeView::itemUpdated);
}
ProfileTreeView::~ProfileTreeView()
{
delete delegate_;
}
void ProfileTreeView::selectionChanged(const QItemSelection &selected, const QItemSelection &deselected)
{
QTreeView::selectionChanged(selected, deselected);
if (model())
{
qsizetype offColumn = model()->columnCount();
qsizetype idxCount = selectedIndexes().count() / offColumn;
qsizetype dselCount = deselected.count() > 0 ? deselected.at(0).indexes().count() / offColumn : 0;
/* Ensure, that the last selected row cannot be deselected */
if (idxCount == 0 && dselCount == 1)
{
QModelIndex idx = deselected.at(0).indexes().at(0);
/* If the last item is no longer valid or the row is out of bounds, select default */
if (! idx.isValid() || idx.row() >= model()->rowCount())
idx = model()->index(0, ProfileModel::COL_NAME);
selectRow(idx.row());
}
else if (selectedIndexes().count() == 0)
selectRow(0);
}
}
void ProfileTreeView::selectRow(int row)
{
if (row < 0)
return;
setCurrentIndex(model()->index(row, 0));
selectionModel()->select(
QItemSelection(model()->index(row, 0), model()->index(row, model()->columnCount() -1)),
QItemSelectionModel::ClearAndSelect);
}
void ProfileTreeView::mouseDoubleClickEvent(QMouseEvent *ev)
{
/* due to the fact, that we allow only row selection, selected rows are always added with all columns */
if (selectedIndexes().count() <= model()->columnCount())
QTreeView::mouseDoubleClickEvent(ev);
}
bool ProfileTreeView::activeEdit()
{
return (state() == QAbstractItemView::EditingState);
}
// If our auto switch filters are shorter than the filter column title,
// stretch the name column.
void ProfileTreeView::showEvent(QShowEvent *)
{
bool have_wide_filter = false;
int auto_switch_title_width = fontMetrics().horizontalAdvance(model()->headerData(ProfileModel::COL_AUTO_SWITCH_FILTER, Qt::Horizontal).toString());
for (int row = 0; row < model()->rowCount(); row++) {
QString filter = model()->data(model()->index(row, ProfileModel::COL_AUTO_SWITCH_FILTER)).toString();
if (fontMetrics().horizontalAdvance(filter) > auto_switch_title_width) {
have_wide_filter = true;
break;
}
}
if (have_wide_filter) {
return;
}
int col_name_size_hint = sizeHintForColumn(ProfileModel::COL_NAME);
int col_asf_size_hint = qMax(header()->sectionSizeHint(ProfileModel::COL_AUTO_SWITCH_FILTER), sizeHintForColumn(ProfileModel::COL_AUTO_SWITCH_FILTER));
int extra = columnWidth(ProfileModel::COL_AUTO_SWITCH_FILTER) - col_asf_size_hint;
if (extra > 0) {
setColumnWidth(ProfileModel::COL_NAME, col_name_size_hint + extra);
}
}
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