plasma-workspace/components/containmentlayoutmanager/configoverlay.h

/*
    SPDX-FileCopyrightText: 2019 Marco Martin <mart@kde.org>

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

#pragma once

#include <QQuickItem>
#include <QTimer>

#include "itemcontainer.h"

class ConfigOverlay : public QQuickItem
{
    Q_OBJECT
    Q_PROPERTY(bool open READ open WRITE setOpen NOTIFY openChanged)
    Q_PROPERTY(ItemContainer *itemContainer READ itemContainer NOTIFY itemContainerChanged)
    Q_PROPERTY(qreal leftAvailableSpace READ leftAvailableSpace NOTIFY leftAvailableSpaceChanged);
    Q_PROPERTY(qreal topAvailableSpace READ topAvailableSpace NOTIFY topAvailableSpaceChanged);
    Q_PROPERTY(qreal rightAvailableSpace READ rightAvailableSpace NOTIFY rightAvailableSpaceChanged);
    Q_PROPERTY(qreal bottomAvailableSpace READ bottomAvailableSpace NOTIFY bottomAvailableSpaceChanged);
    Q_PROPERTY(bool touchInteraction READ touchInteraction NOTIFY touchInteractionChanged)

public:
    ConfigOverlay(QQuickItem *parent = nullptr);
    ~ConfigOverlay();

    ItemContainer *itemContainer() const;
    // NOTE: setter not accessible from QML by purpose
    void setItemContainer(ItemContainer *container);

    bool open() const;
    void setOpen(bool open);

    qreal leftAvailableSpace()
    {
        return m_leftAvailableSpace;
    }
    qreal topAvailableSpace()
    {
        return m_topAvailableSpace;
    }
    qreal rightAvailableSpace()
    {
        return m_rightAvailableSpace;
    }
    qreal bottomAvailableSpace()
    {
        return m_bottomAvailableSpace;
    }

    bool touchInteraction() const;
    // This only usable from C++
    void setTouchInteraction(bool touch);

Q_SIGNALS:
    void openChanged();
    void itemContainerChanged();
    void leftAvailableSpaceChanged();
    void topAvailableSpaceChanged();
    void rightAvailableSpaceChanged();
    void bottomAvailableSpaceChanged();
    void touchInteractionChanged();

private:
    QPointer<ItemContainer> m_itemContainer;
    qreal m_leftAvailableSpace = 0;
    qreal m_topAvailableSpace = 0;
    qreal m_rightAvailableSpace = 0;
    qreal m_bottomAvailableSpace = 0;

    QTimer *m_hideTimer = nullptr;

    QList<QTouchEvent::TouchPoint> m_oldTouchPoints;

    bool m_open = false;
    bool m_touchInteraction = false;
};