70 lines
1.8 KiB
C++
70 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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Copyright 2019 Roman Gilg <subdiff@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_XWL_DRAG
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#define KWIN_XWL_DRAG
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#include <KWayland/Client/datadevicemanager.h>
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#include <QPoint>
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#include <xcb/xcb.h>
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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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enum class DragEventReply;
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using DnDAction = KWayland::Client::DataDeviceManager::DnDAction;
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/**
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* An ongoing drag operation.
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*/
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class Drag : public QObject
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{
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Q_OBJECT
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public:
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explicit Drag(QObject *parent = nullptr);
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~Drag() override;
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static void sendClientMessage(xcb_window_t target, xcb_atom_t type, xcb_client_message_data_t *data);
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static DnDAction atomToClientAction(xcb_atom_t atom);
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static xcb_atom_t clientActionToAtom(DnDAction action);
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virtual bool handleClientMessage(xcb_client_message_event_t *event) = 0;
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virtual DragEventReply moveFilter(Toplevel *target, const QPoint &pos) = 0;
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virtual bool end() = 0;
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Q_SIGNALS:
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void finish(Drag *self);
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private:
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Q_DISABLE_COPY(Drag)
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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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