datadevice.h

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/*
    SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
    SPDX-FileCopyrightText: 2020 David Edmundson <davidedmundson@kde.org>
    SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#pragma once
 
#include "kwin_export.h"
 
#include <QObject>
#include <memory>
 
#include "abstract_drop_handler.h"
 
struct wl_client;
struct wl_resource;
 
namespace KWin
{
class DataDeviceManagerInterface;
class DataOfferInterface;
class DataSourceInterface;
class AbstractDataSource;
class SeatInterface;
class SurfaceInterface;
class SurfaceRole;
class DataDeviceInterfacePrivate;
class DragAndDropIconPrivate;
 
class KWIN_EXPORT DragAndDropIcon : public QObject
{
    Q_OBJECT
 
public:
    ~DragAndDropIcon() override;
 
    static SurfaceRole *role();
 
    QPoint position() const;
 
    SurfaceInterface *surface() const;
 
Q_SIGNALS:
    void changed();
 
private:
    void commit();
 
    explicit DragAndDropIcon(SurfaceInterface *surface);
    friend class DataDeviceInterfacePrivate;
    std::unique_ptr<DragAndDropIconPrivate> d;
};
 
class KWIN_EXPORT DataDeviceInterface : public AbstractDropHandler
{
    Q_OBJECT
public:
    virtual ~DataDeviceInterface();
 
    SeatInterface *seat() const;
 
    DataSourceInterface *selection() const;
 
    void sendSelection(KWin::AbstractDataSource *other);
    void drop() override;
    void updateDragTarget(SurfaceInterface *surface, quint32 serial) override;
 
    wl_client *client();
 
Q_SIGNALS:
    void aboutToBeDestroyed();
    void dragStarted(AbstractDataSource *source, SurfaceInterface *originSurface, quint32 serial, DragAndDropIcon *dragIcon);
    void selectionChanged(KWin::DataSourceInterface *);
 
private:
    friend class DataDeviceManagerInterfacePrivate;
    explicit DataDeviceInterface(SeatInterface *seat, wl_resource *resource);
    std::unique_ptr<DataDeviceInterfacePrivate> d;
    friend class DataDeviceInterfacePrivate;
};
 
}
 
Q_DECLARE_METATYPE(KWin::DataDeviceInterface *)