navigatabletreewidget.cpp
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navigatabletreewidget.cpp
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	/*
	ui/navigatabletreewidget.cpp

	This file is part of libkleopatra
	SPDX-FileCopyrightText: 2022 g10 Code GmbH
	SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>

	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#include <config-libkleo.h>

	#include "navigatabletreewidget.h"

	using namespace Kleo;

	QModelIndex NavigatableTreeWidget::moveCursor(QAbstractItemView::CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
	{
	// make column by column keyboard navigation with Left/Right possible by switching
	// the selection behavior to SelectItems before calling the parent class's moveCursor,
	// because it ignores MoveLeft/MoveRight if the selection behavior is SelectRows;
	// moreover, temporarily disable exanding of items to prevent expanding/collapsing
	// on MoveLeft/MoveRight
	if ((cursorAction != MoveLeft) && (cursorAction != MoveRight)) {
	return QTreeWidget::moveCursor(cursorAction, modifiers);
	}

	const auto savedSelectionBehavior = selectionBehavior();
	setSelectionBehavior(SelectItems);
	const auto savedItemsExpandable = itemsExpandable();
	setItemsExpandable(false);

	const auto result = QTreeWidget::moveCursor(cursorAction, modifiers);

	setItemsExpandable(savedItemsExpandable);
	setSelectionBehavior(savedSelectionBehavior);

	return result;
	}