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/****************************************************************************
**
** Copyright (C) 2018, 2019 Luxoft Sweden AB. All rights reserved.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the cursor management module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CURSORNAVIGATION_H
#define CURSORNAVIGATION_H
#include "cursornavigationattached.h"
#include "inputtypes.h"
#include "inputadapter.h"
#include "spatialnavigation360.h"
#include "spatialnavigation4dir.h"
#include <QObject>
#include <qqml.h>
#include <QStack>
#include <QtCore/QLoggingCategory>
Q_DECLARE_LOGGING_CATEGORY(cursorNavigationLog)
class QQuickItem;
class CursorNavigation : public QObject
{
Q_OBJECT
public:
CursorNavigation(QQuickWindow *parent);
//pass input events forward to the current item
//void setMagnitude(qreal angle, qreal magnitude);
//void setMagnitude(const QVector2D& vector);
//move the cursor
bool move(qreal angle, qreal offset, qreal tolerance, bool discrete);
//find the next item without moving the cursor
QQuickItem *find(qreal angle, qreal tolerance, bool discrete);
bool action(Action action);
static CursorNavigationAttached *qmlAttachedProperties(QObject *object);
static CursorNavigation *cursorNavigationForWindow(QQuickWindow *window);
static CursorNavigationAttached *cursorNavigationAttachment(QQuickItem *item);
private:
void setCursorOnItem(CursorNavigationAttached *item);
void onActiveFocusItemChanged();
void registerItem(CursorNavigationAttached* item);
void unregisterItem(CursorNavigationAttached* item);
CursorNavigationAttached *defaultItem();
private:
static const char windowPropertyName[];
QQuickWindow *m_window;
InputAdapter m_inputAdapter;
CursorNavigationAttached *m_currentItem; //item that currently has the cursor
SpatialNavigation360 m_navigation360;
SpatialNavigation4Dir m_navigation4Dir;
//a root item that is not tied to any actual QQuickItem
CursorNavigationAttached *m_rootItem;
friend class CursorNavigationAttached;
friend class InputAdapter;
};
QML_DECLARE_TYPEINFO(CursorNavigation, QML_HAS_ATTACHED_PROPERTIES)
#endif // CURSORNAVIGATION_H
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