80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
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/*
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SPDX-FileCopyrightText: 2020 David Edmundson <davidedmundson@kde.org>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
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*/
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#pragma once
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#include "resource.h"
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#include "clientconnection.h"
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#include "datadevicemanager_interface.h"
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#include <KWaylandServer/kwaylandserver_export.h>
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struct wl_client;
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namespace KWaylandServer {
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/**
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* @brief The AbstractDataSource class abstracts the data that
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* can be transferred to another client.
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*
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* It loosely maps to DataDeviceInterface
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*/
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// Anything related to selections are pure virtual, content relating
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// to drag and drop has a default implementation
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// TODO ideally this shouldn't inherit from resource as it provides some misleading public methods
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// This can be resolved once DataSource is ported to the new system
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class KWAYLANDSERVER_EXPORT AbstractDataSource : public Resource
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{
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Q_OBJECT
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public:
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virtual void accept(const QString &mimeType) {
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Q_UNUSED(mimeType);
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};
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virtual void requestData(const QString &mimeType, qint32 fd) = 0;
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virtual void cancel() = 0;
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virtual QStringList mimeTypes() const = 0;
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/**
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* @returns The Drag and Drop actions supported by this DataSourceInterface.
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**/
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virtual DataDeviceManagerInterface::DnDActions supportedDragAndDropActions() const {
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return {};
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};
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/**
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* The user performed the drop action during a drag and drop operation.
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**/
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virtual void dropPerformed() {};
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/**
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* The drop destination finished interoperating with this data source.
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**/
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virtual void dndFinished() {};
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/**
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* This event indicates the @p action selected by the compositor after matching the
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* source/destination side actions. Only one action (or none) will be offered here.
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**/
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virtual void dndAction(DataDeviceManagerInterface::DnDAction action) {
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Q_UNUSED(action);
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};
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virtual wl_client* client() {
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return Resource::client()->client();
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}
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Q_SIGNALS:
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void mimeTypeOffered(const QString&);
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void supportedDragAndDropActionsChanged();
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protected:
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explicit AbstractDataSource(Resource::Private *d, QObject *parent = nullptr);
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};
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}
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