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.
164 lines
3.6 KiB
C++
164 lines
3.6 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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