1fb9f6f13a
The main advantage of SPDX license identifiers over the traditional license headers is that it's more difficult to overlook inappropriate licenses for kwin, for example GPL 3. We also don't have to copy a lot of boilerplate text. In order to create this change, I ran licensedigger -r -c from the toplevel source directory.
82 lines
1.8 KiB
C++
82 lines
1.8 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_DND
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#define KWIN_XWL_DND
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#include "selection.h"
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#include <QPoint>
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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 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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namespace Xwl
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{
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class Drag;
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enum class DragEventReply;
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/**
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* Represents the drag and drop mechanism, on X side this is the XDND protocol.
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* For more information on XDND see: https://johnlindal.wixsite.com/xdnd
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*/
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class Dnd : public Selection
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{
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Q_OBJECT
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public:
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explicit Dnd(xcb_atom_t atom, QObject *parent);
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static uint32_t version();
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void doHandleXfixesNotify(xcb_xfixes_selection_notify_event_t *event) override;
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void x11OffersChanged(const QStringList &added, const QStringList &removed) override;
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bool handleClientMessage(xcb_client_message_event_t *event) override;
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DragEventReply dragMoveFilter(Toplevel *target, const QPoint &pos);
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KWaylandServer::SurfaceInterface *surfaceIface() const {
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return m_surfaceIface;
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}
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KWayland::Client::Surface *surface() const {
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return m_surface;
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}
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private:
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// start and end Wl native client drags (Wl -> Xwl)
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void startDrag();
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void endDrag();
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void clearOldDrag(Drag *drag);
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// active drag or null when no drag active
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Drag *m_currentDrag = nullptr;
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QVector<Drag *> m_oldDrags;
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KWayland::Client::Surface *m_surface;
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KWaylandServer::SurfaceInterface *m_surfaceIface = nullptr;
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Q_DISABLE_COPY(Dnd)
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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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