1 /********************************************************************
2 Copyright © 2020 Roman Gilg <subdiff@gmail.com>
3 
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) version 3, or any
8 later version accepted by the membership of KDE e.V. (or its
9 successor approved by the membership of KDE e.V.), which shall
10 act as a proxy defined in Section 6 of version 3 of the license.
11 
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 Lesser General Public License for more details.
16 
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library.  If not, see <http://www.gnu.org/licenses/>.
19 *********************************************************************/
20 #pragma once
21 
22 #include <QObject>
23 
24 #include <Wrapland/Server/wraplandserver_export.h>
25 
26 #include <wayland-server.h>
27 
28 namespace Wrapland::Server
29 {
30 class Client;
31 class DataDeviceManager;
32 class DataSource;
33 class Seat;
34 class Surface;
35 
36 class WRAPLANDSERVER_EXPORT DataDevice : public QObject
37 {
38     Q_OBJECT
39 public:
40     using source_t = Wrapland::Server::DataSource;
41 
42     Seat* seat() const;
43     Client* client() const;
44 
45     DataSource* dragSource() const;
46     Surface* origin() const;
47     Surface* icon() const;
48 
49     quint32 dragImplicitGrabSerial() const;
50 
51     DataSource* selection() const;
52 
53     void sendSelection(DataDevice* other);
54     void sendClearSelection();
55 
56     void drop();
57 
58     void updateDragTarget(Surface* surface, quint32 serial);
59     void updateProxy(Surface* remote);
60 
61 Q_SIGNALS:
62     void dragStarted();
63     void selectionChanged(Wrapland::Server::DataSource*);
64     void selectionCleared();
65     void resourceDestroyed();
66 
67 private:
68     friend class DataDeviceManager;
69     DataDevice(Client* client, uint32_t version, uint32_t id, Seat* seat);
70 
71     class Private;
72     Private* d_ptr;
73 
74     template<typename Handle>
75     // NOLINTNEXTLINE(readability-redundant-declaration)
76     friend void set_selection(Handle* handle, wl_resource* wlSource);
77 };
78 
79 }
80 
81 Q_DECLARE_METATYPE(Wrapland::Server::DataDevice*)
82