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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
//
// W A R N I N G
// -------------
//
// This file is not part of the QtGraphs API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef QGRAPHSINPUTHANDLER_P_H
#define QGRAPHSINPUTHANDLER_P_H
#include <QtQuick/qquickitem.h>
QT_BEGIN_NAMESPACE
class QQuickGraphsItem;
class QQuickTapHandler;
class QQuickDragHandler;
class QQuickPinchHandler;
class QQuickWheelHandler;
class QQuickWheelEvent;
class QGraphsInputHandler : public QQuickItem
{
Q_OBJECT
public:
QGraphsInputHandler(QQuickItem *parent = nullptr);
~QGraphsInputHandler() override;
void setGraphsItem(QQuickGraphsItem *item);
QPoint pendingPoint() { return m_pendingPoint; }
void setZoomEnabled(bool enable);
bool isZoomEnabled();
void setZoomAtTargetEnabled(bool enable);
bool isZoomAtTargetEnabled();
void setRotationEnabled(bool enable);
bool isRotationEnabled();
void setSelectionEnabled(bool enable);
bool isSelectionEnabled();
void setDefaultInputHandler();
void unsetDefaultInputHandler();
void unsetDefaultTapHandler();
void unsetDefaultDragHandler();
void unsetDefaultWheelHandler();
void unsetDefaultPinchHandler();
void setDragButton(Qt::MouseButtons button);
void onTapped();
void onTranslationChanged(QVector2D delta);
void onGrabChanged(QPointingDevice::GrabTransition transition, QEventPoint point);
void onWheel(QQuickWheelEvent *event);
void onPinchScaleChanged(qreal delta);
Q_SIGNAL void mouseMove(QPoint mousePos);
protected:
void hoverMoveEvent(QHoverEvent *event) override;
private:
bool m_zoomEnabled;
bool m_zoomAtTarget;
bool m_rotationEnabled;
bool m_selectionEnabled;
QPoint m_pendingPoint;
qreal m_pinchDiff;
QQuickTapHandler *m_tapHandler;
QQuickPinchHandler *m_pinchHandler;
QQuickWheelHandler *m_wheelHandler;
QQuickDragHandler *m_dragHandler;
QQuickGraphsItem *m_graphsItem;
};
QT_END_NAMESPACE
#endif // QGRAPHSINPUTHANDLER_P_H
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