58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/* tabnav_tree_view.cpp
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* Tree view with saner tab navigation functionality.
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*
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* Copyright 2016 Peter Wu <peter@lekensteyn.nl>
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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 "tabnav_tree_view.h"
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TabnavTreeView::TabnavTreeView(QWidget *parent) : QTreeView(parent)
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{
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}
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// Note: if a QTableView is used, then this is not needed anymore since Tab
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// works as "expected" (move to next cell instead of row).
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// Note 2: this does not help with fields with no widget (like filename).
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QModelIndex TabnavTreeView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
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{
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QModelIndex current = currentIndex();
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// If an item is currently selected, interpret Next/Previous. Otherwise,
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// fallback to the default selection (e.g. first row for Next).
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if (current.isValid()) {
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if (cursorAction == MoveNext) {
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if (current.column() < model()->columnCount()) {
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return current.sibling(current.row(), current.column() + 1);
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}
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return current;
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} else if (cursorAction == MovePrevious) {
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if (current.column() > 0) {
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return current.sibling(current.row(), current.column() - 1);
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}
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return current;
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}
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}
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return QTreeView::moveCursor(cursorAction, modifiers);
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}
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/*!
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\fn void TabnavTreeView::currentItemChanged(QModelIndex *current, QModelIndex *previous)
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This signal is emitted whenever the current item changes.
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\a previous is the item that previously had the focus; \a current is the
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new current item.
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*/
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void TabnavTreeView::currentChanged(const QModelIndex ¤t, const QModelIndex &previous)
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{
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QTreeView::currentChanged(current, previous);
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emit currentItemChanged(current, previous);
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}
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