Differential D29024 Diff 80700 backends/kwayland/waylandconfig.h

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backends/kwayland/waylandconfig.h

1	/*************************************************************************************	1	/*************************************************************************
2	* Copyright 2014-2015 Sebastian Kügler <sebas@kde.org> *	2	Copyright © 2014-2015 Sebastian Kügler <sebas@kde.org>
3	* *	3	Copyright © 2019-2020 Roman Gilg <subdiff@gmail.com>
4	* This library is free software; you can redistribute it and/or *	4
5	* modify it under the terms of the GNU Lesser General Public *	5	This library is free software; you can redistribute it and/or
6	* License as published by the Free Software Foundation; either *	6	modify it under the terms of the GNU Lesser General Public
7	* version 2.1 of the License, or (at your option) any later version. *	7	License as published by the Free Software Foundation; either
8	* *	8	version 2.1 of the License, or (at your option) any later version.
9	* This library is distributed in the hope that it will be useful, *	9
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of *	10	This library is distributed in the hope that it will be useful,
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* Lesser General Public License for more details. *	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13	* *	13	Lesser General Public License for more details.
14	* You should have received a copy of the GNU Lesser General Public *	14
15	* License along with this library; if not, write to the Free Software *	15	You should have received a copy of the GNU Lesser General Public
16	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *	16	License along with this library; if not, write to the Free Software
17	*************************************************************************************/	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
		18	**************************************************************************/
18	#pragma once	19	#pragma once
19		20
20	#include "abstractbackend.h"	21	#include "abstractbackend.h"
21	#include "config.h"	22	#include "config.h"
22		23
23	#include <QDir>
24	#include <QEventLoop>	24	#include <QEventLoop>
25	#include <QLoggingCategory>	25	#include <QPointer>
26	#include <QSize>
27	#include <QScreen>
28	#include <QSocketNotifier>
29	#include <QThread>
30		26
31	namespace KWayland	27	#include <vector>
32	{	28
33	namespace Client	29	class KPluginMetaData;
34	{
35	class ConnectionThread;
36	class EventQueue;
37	class Registry;
38	class OutputManagement;
39	}
40	}
41		30
42	namespace KScreen	31	namespace KScreen
43	{	32	{
44	class Output;	33	class Output;
		34	class WaylandInterface;
45	class WaylandOutput;	35	class WaylandOutput;
46	class WaylandScreen;	36	class WaylandScreen;
47		37
48	/**	38	/**
49	* @class WaylandConfig	39	* @class WaylandConfig
50	*	40	*
51	* This class holds the basic skeleton of the configuration and takes care of	41	* This class holds the basic skeleton of the configuration and takes care of
52	* fetching the information from the Wayland server and synchronizing the	42	* fetching the information from the Wayland server and synchronizing the
53	* configuration out to the "clients" that receive the config from the backend.	43	* configuration out to the "clients" that receive the config from the backend.
54	* We initialize a wayland connection, using a threaded event queue when	44	* We initialize a wayland connection, using a threaded event queue when
55	* querying the wayland server for data.	45	* querying the wayland server for data.
56	* Initially, the creation of a WaylandConfig blocks until all data has been	46	* Initially, the creation of a WaylandConfig blocks until all data has been
57	* received, signalled by the initialized() signal. This means that the	47	* received, signalled by the initialized() signal. This means that the
58	* wayland client has received information about all interfaces, and that all	48	* wayland client has received information about all interfaces, and that all
59	* outputs are completely initialized. From then on, we properly notifyUpdate().	49	* outputs are completely initialized. From then on, we properly notifyUpdate().
60	*/	50	*/
61	class WaylandConfig : public QObject	51	class WaylandConfig : public QObject
62	{	52	{
63	Q_OBJECT	53	Q_OBJECT
64		54
65	public:	55	public:
66	explicit WaylandConfig(QObject *parent = nullptr);	56	explicit WaylandConfig(QObject *parent = nullptr);
67	~WaylandConfig() override;	57	~WaylandConfig() override;
68		58
69	KScreen::ConfigPtr currentConfig();	59	virtual KScreen::ConfigPtr currentConfig();
70	QMap<int, WaylandOutput*> outputMap() const;	60	virtual QMap<int, WaylandOutput*> outputMap() const;
71		61
72	void applyConfig(const KScreen::ConfigPtr &newConfig);	62	void applyConfig(const KScreen::ConfigPtr &newConfig);
73		63
74	bool isInitialized() const;	64	bool isInitialized() const;
75		65
76	Q_SIGNALS:	66	Q_SIGNALS:
77	void configChanged();	67	void configChanged();
78	void initialized();	68	void initialized();
79		69
80	private:	70	private:
81	void setupRegistry();	71	struct PendingInterface {
82	void checkInitialized();	72	bool operator ==(const PendingInterface &other) {
83	void disconnected();	73	return name == other.name;
		74	}
		75	QString name;
		76	WaylandInterface *interface;
		77	QThread *thread;
		78	};
84		79
85	void initKWinTabletMode();	80	void initKWinTabletMode();
86	void initConnection();	81	void setScreenOutputs();
87
88	void addOutput(quint32 name, quint32 version);
89	void removeOutput(WaylandOutput *output);
90		82
91	void blockSignals();	83	void queryInterfaces();
92	void unblockSignals();	84	void queryInterface(KPluginMetaData *plugin);
93	void tryPendingConfig();	85	void takeInterface(const PendingInterface &pending);
		86	void rejectInterface(const PendingInterface &pending);
94		87
95	KWayland::Client::ConnectionThread *m_connection;
96	KWayland::Client::EventQueue *m_queue;
97	QThread *m_thread;
98
99	KWayland::Client::Registry *m_registry;
100	KWayland::Client::OutputManagement *m_outputManagement;
101
102	// KWayland names as keys
103	QMap<int, WaylandOutput*> m_outputMap;
104
105	// KWayland names
106	QList<WaylandOutput*> m_initializingOutputs;
107	int m_lastOutputId = -1;
108
109	bool m_registryInitialized;
110	bool m_blockSignals;
111	QEventLoop m_syncLoop;
112	KScreen::ConfigPtr m_kscreenConfig;	88	KScreen::ConfigPtr m_kscreenConfig;
113	KScreen::ConfigPtr m_kscreenPendingConfig;
114	WaylandScreen *m_screen;	89	WaylandScreen *m_screen;
		90	QPointer<WaylandInterface> m_interface;
115		91
116	bool m_tabletModeAvailable;	92	bool m_tabletModeAvailable;
117	bool m_tabletModeEngaged;	93	bool m_tabletModeEngaged;
		94
		95	QEventLoop m_syncLoop;
		96
		97	std::vector<PendingInterface> m_pendingInterfaces;
118	};	98	};
119		99
120	}	100	}