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/*
* Copyright (C) 2015 Canonical, Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef UCSWIPEAREA_H
#define UCSWIPEAREA_H
#include <QtQuick/QQuickItem>
#include "ubuntugesturesqmlglobal.h"
#include "damper.h"
// lib UbuntuGestures
#include <UbuntuGestures/Pool>
#include <UbuntuGestures/Timer>
// logging
#include <QtCore/QLoggingCategory>
class TouchOwnershipEvent;
class UnownedTouchEvent;
class UCSwipeAreaPrivate;
class UCSwipeAreaPrivate;
class UBUNTUGESTURESQML_EXPORT UCSwipeArea : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged)
Q_PROPERTY(qreal distance READ distance NOTIFY distanceChanged)
Q_PROPERTY(QPointF touchPosition READ touchPosition NOTIFY touchPositionChanged)
Q_PROPERTY(bool dragging READ dragging NOTIFY draggingChanged)
Q_PROPERTY(bool pressed READ pressed NOTIFY pressedChanged)
Q_PROPERTY(bool immediateRecognition
READ immediateRecognition
WRITE setImmediateRecognition
NOTIFY immediateRecognitionChanged)
Q_ENUMS(Direction)
public:
enum Direction {
Rightwards,
Leftwards,
Downwards,
Upwards,
Horizontal,
Vertical
};
UCSwipeArea(QQuickItem *parent = 0);
Direction direction() const;
void setDirection(Direction);
qreal distance() const;
QPointF touchPosition() const;
bool dragging() const;
bool pressed() const;
bool immediateRecognition() const;
void setImmediateRecognition(bool enabled);
Q_SIGNALS:
void directionChanged(Direction direction);
void draggingChanged(bool dragging);
void pressedChanged(bool pressed);
void distanceChanged(qreal distance);
void touchPositionChanged(const QPointF &position);
void immediateRecognitionChanged(bool immediateRecognition);
protected:
bool event(QEvent *e) override;
void touchEvent(QTouchEvent *event) override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
// functors
void giveUpIfDisabledOrInvisible();
void rejectGesture();
private:
Q_DECLARE_PRIVATE(UCSwipeArea)
};
Q_DECLARE_LOGGING_CATEGORY(ucSwipeArea)
Q_DECLARE_LOGGING_CATEGORY(ucActiveTouchInfo)
#endif // UCSWIPEAREA_H
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