kwin/xwl/drag_x.h

159 lines
3.1 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_XWL_DRAG_X
#define KWIN_XWL_DRAG_X
#include "drag.h"
#include <KWayland/Client/datadevicemanager.h>
#include <KWayland/Client/dataoffer.h>
#include <KWaylandServer/datadevicemanager_interface.h>
#include <QPoint>
#include <QPointer>
#include <QVector>
namespace KWayland
{
namespace Client
{
class DataSource;
}
}
namespace KWin
{
class Toplevel;
class AbstractClient;
namespace Xwl
{
class X11Source;
enum class DragEventReply;
class WlVisit;
using Mimes = QVector<QPair<QString, xcb_atom_t> >;
class XToWlDrag : public Drag
{
Q_OBJECT
public:
explicit XToWlDrag(X11Source *source);
~XToWlDrag() override;
DragEventReply moveFilter(Toplevel *target, const QPoint &pos) override;
bool handleClientMessage(xcb_client_message_event_t *event) override;
void setDragAndDropAction(DnDAction action);
DnDAction selectedDragAndDropAction();
bool end() override {
return false;
}
X11Source *x11Source() const {
return m_source;
}
private:
void setOffers(const Mimes &offers);
void offerCallback(const QString &mime);
void setDragTarget();
bool checkForFinished();
KWayland::Client::DataSource *m_dataSource;
Mimes m_offers;
Mimes m_offersPending;
X11Source *m_source;
QVector<QPair<xcb_timestamp_t, bool> > m_dataRequests;
WlVisit *m_visit = nullptr;
QVector<WlVisit *> m_oldVisits;
bool m_performed = false;
DnDAction m_lastSelectedDragAndDropAction = DnDAction::None;
Q_DISABLE_COPY(XToWlDrag)
};
class WlVisit : public QObject
{
Q_OBJECT
public:
WlVisit(AbstractClient *target, XToWlDrag *drag);
~WlVisit() override;
bool handleClientMessage(xcb_client_message_event_t *event);
bool leave();
AbstractClient *target() const {
return m_target;
}
xcb_window_t window() const {
return m_window;
}
bool entered() const {
return m_entered;
}
bool dropHandled() const {
return m_dropHandled;
}
bool finished() const {
return m_finished;
}
void sendFinished();
Q_SIGNALS:
void offersReceived(const Mimes &offers);
void finish(WlVisit *self);
private:
bool handleEnter(xcb_client_message_event_t *event);
bool handlePosition(xcb_client_message_event_t *event);
bool handleDrop(xcb_client_message_event_t *event);
bool handleLeave(xcb_client_message_event_t *event);
void sendStatus();
void getMimesFromWinProperty(Mimes &offers);
bool targetAcceptsAction() const;
void doFinish();
void unmapProxyWindow();
AbstractClient *m_target;
xcb_window_t m_window;
xcb_window_t m_srcWindow = XCB_WINDOW_NONE;
XToWlDrag *m_drag;
uint32_t m_version = 0;
xcb_atom_t m_actionAtom;
DnDAction m_action = DnDAction::None;
bool m_mapped = false;
bool m_entered = false;
bool m_dropHandled = false;
bool m_finished = false;
Q_DISABLE_COPY(WlVisit)
};
} // namespace Xwl
} // namespace KWin
#endif