165 lines
3.4 KiB
C++
165 lines
3.4 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_SELECTION_SOURCE
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#define KWIN_XWL_SELECTION_SOURCE
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#include <QObject>
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#include <QVector>
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#include <xcb/xcb.h>
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class QSocketNotifier;
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struct xcb_selection_request_event_t;
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struct xcb_xfixes_selection_notify_event_t;
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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 DataSource;
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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 AbstractDataSource;
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}
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namespace KWin
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{
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namespace Xwl
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{
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class Selection;
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/**
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* Base class representing a data source.
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*/
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class SelectionSource : public QObject
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{
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Q_OBJECT
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public:
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SelectionSource(Selection *selection);
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xcb_timestamp_t timestamp() const {
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return m_timestamp;
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}
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void setTimestamp(xcb_timestamp_t time) {
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m_timestamp = time;
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}
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protected:
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Selection *selection() const {
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return m_selection;
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}
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void setWindow(xcb_window_t window) {
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m_window = window;
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}
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xcb_window_t window() const {
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return m_window;
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}
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private:
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xcb_timestamp_t m_timestamp = XCB_CURRENT_TIME;
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Selection *m_selection;
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xcb_window_t m_window;
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Q_DISABLE_COPY(SelectionSource)
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};
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/**
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* Representing a Wayland native data source.
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*/
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class WlSource : public SelectionSource
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{
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Q_OBJECT
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public:
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WlSource(Selection *selection);
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void setDataSourceIface(KWaylandServer::AbstractDataSource *dsi);
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bool handleSelectionRequest(xcb_selection_request_event_t *event);
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void sendTargets(xcb_selection_request_event_t *event);
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void sendTimestamp(xcb_selection_request_event_t *event);
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void receiveOffer(const QString &mime);
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void sendSelectionNotify(xcb_selection_request_event_t *event, bool success);
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Q_SIGNALS:
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void transferReady(xcb_selection_request_event_t *event, qint32 fd);
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private:
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bool checkStartTransfer(xcb_selection_request_event_t *event);
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KWaylandServer::AbstractDataSource *m_dsi = nullptr;
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QVector<QString> m_offers;
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QMetaObject::Connection m_offerConnection;
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Q_DISABLE_COPY(WlSource)
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};
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using Mimes = QVector<QPair<QString, xcb_atom_t> >;
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/**
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* Representing an X data source.
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*/
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class X11Source : public SelectionSource
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{
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Q_OBJECT
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public:
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X11Source(Selection *selection, xcb_xfixes_selection_notify_event_t *event);
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/**
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* @param ds must exist.
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*
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* X11Source does not take ownership of it in general, but if the function
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* is called again, it will delete the previous data source.
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*/
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void setDataSource(KWayland::Client::DataSource *dataSource);
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KWayland::Client::DataSource *dataSource() const {
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return m_dataSource;
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}
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void getTargets();
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Mimes offers() const {
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return m_offers;
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}
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void setOffers(const Mimes &offers);
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bool handleSelectionNotify(xcb_selection_notify_event_t *event);
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void setRequestor(xcb_window_t window) {
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setWindow(window);
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}
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Q_SIGNALS:
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void offersChanged(const QStringList &added, const QStringList &removed);
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void transferReady(xcb_atom_t target, qint32 fd);
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private:
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void handleTargets();
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void startTransfer(const QString &mimeName, qint32 fd);
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xcb_window_t m_owner;
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KWayland::Client::DataSource *m_dataSource = nullptr;
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Mimes m_offers;
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Q_DISABLE_COPY(X11Source)
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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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