155 lines
3.1 KiB
C++
155 lines
3.1 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_XWL_DRAG_WL
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#define KWIN_XWL_DRAG_WL
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#include "drag.h"
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#include <KWayland/Client/dataoffer.h>
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#include <QPoint>
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#include <QPointer>
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#include <QVector>
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namespace KWayland
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{
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namespace Client
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{
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class Surface;
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}
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}
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namespace KWaylandServer
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{
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class DataDeviceInterface;
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class DataSourceInterface;
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class SurfaceInterface;
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}
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namespace KWin
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{
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class Toplevel;
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class AbstractClient;
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namespace Xwl
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{
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class X11Source;
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enum class DragEventReply;
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class Xvisit;
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using DnDActions = KWayland::Client::DataDeviceManager::DnDActions;
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class WlToXDrag : public Drag
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{
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Q_OBJECT
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public:
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explicit WlToXDrag();
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DragEventReply moveFilter(Toplevel *target, const QPoint &pos) override;
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bool handleClientMessage(xcb_client_message_event_t *event) override;
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bool end() override;
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KWaylandServer::DataSourceInterface *dataSourceIface() const {
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return m_dsi;
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}
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private:
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KWaylandServer::DataSourceInterface *m_dsi;
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Xvisit *m_visit = nullptr;
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Q_DISABLE_COPY(WlToXDrag)
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};
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// visit to an X window
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class Xvisit : public QObject
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{
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Q_OBJECT
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public:
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// TODO: handle ask action
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Xvisit(WlToXDrag *drag, AbstractClient *target);
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bool handleClientMessage(xcb_client_message_event_t *event);
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bool handleStatus(xcb_client_message_event_t *event);
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bool handleFinished(xcb_client_message_event_t *event);
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void sendPosition(const QPointF &globalPos);
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void leave();
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bool finished() const {
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return m_state.finished;
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}
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AbstractClient *target() const {
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return m_target;
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}
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Q_SIGNALS:
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void finish(Xvisit *self);
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private:
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void sendEnter();
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void sendDrop(uint32_t time);
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void sendLeave();
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void receiveOffer();
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void enter();
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void retrieveSupportedActions();
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void determineProposedAction();
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void requestDragAndDropAction();
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void setProposedAction();
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void drop();
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void doFinish();
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void stopConnections();
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WlToXDrag *m_drag;
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AbstractClient *m_target;
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uint32_t m_version = 0;
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QMetaObject::Connection m_enterConnection;
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QMetaObject::Connection m_motionConnection;
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QMetaObject::Connection m_actionConnection;
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QMetaObject::Connection m_dropConnection;
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struct {
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bool pending = false;
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bool cached = false;
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QPoint cache;
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} m_pos;
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// Must be QPointer, because KWayland::Client::DataDevice
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// might delete it.
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QPointer<KWayland::Client::DataOffer> m_dataOffer;
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// supported by the Wl source
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DnDActions m_supportedActions = DnDAction::None;
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// preferred by the X client
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DnDAction m_preferredAction = DnDAction::None;
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// decided upon by the compositor
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DnDAction m_proposedAction = DnDAction::None;
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struct {
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bool entered = false;
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bool dropped = false;
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bool finished = false;
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} m_state;
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bool m_accepts = false;
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Q_DISABLE_COPY(Xvisit)
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};
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} // namespace Xwl
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} // namespace KWin
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#endif
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