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 #include <QPointer>
24 
25 #include <Wrapland/Server/wraplandserver_export.h>
26 #include <memory>
27 
28 namespace Wrapland::Server
29 {
30 class Client;
31 class Display;
32 class Subsurface;
33 class Surface;
34 
35 class WRAPLANDSERVER_EXPORT Subcompositor : public QObject
36 {
37     Q_OBJECT
38 public:
39     ~Subcompositor() override;
40 
41 Q_SIGNALS:
42     void subsurfaceCreated(Wrapland::Server::Subsurface*);
43 
44 private:
45     friend class Display;
46     explicit Subcompositor(Display* display, QObject* parent = nullptr);
47 
48     class Private;
49     std::unique_ptr<Private> d_ptr;
50 };
51 
52 class WRAPLANDSERVER_EXPORT Subsurface : public QObject
53 {
54     Q_OBJECT
55 public:
56     ~Subsurface() override;
57 
58     QPoint position() const;
59 
60     enum class Mode {
61         Synchronized,
62         Desynchronized,
63     };
64     Mode mode() const;
65 
66     bool isSynchronized() const;
67 
68     Surface* surface() const;
69     Surface* parentSurface() const;
70     Surface* mainSurface() const;
71 
72 Q_SIGNALS:
73     void positionChanged(const QPoint&);
74     void modeChanged(Wrapland::Server::Subsurface::Mode);
75     void resourceDestroyed();
76 
77 private:
78     friend class Subcompositor;
79     friend class Surface;
80     explicit Subsurface(Client* client,
81                         uint32_t version,
82                         uint32_t id,
83                         Surface* surface,
84                         Surface* parentSurface);
85 
86     class Private;
87     Private* d_ptr;
88 };
89 
90 }
91 
92 Q_DECLARE_METATYPE(Wrapland::Server::Subsurface::Mode)
93