decorations.h [kde-workspace/kwin/decorations.h]

1	/********************************************************************
2	KWin - the KDE window manager
3	This file is part of the KDE project.
4
5	Copyright (C) 1999, 2000 Daniel M. Duley <mosfet@kde.org>
6	Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
7
8	This program is free software; you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by
10	the Free Software Foundation; either version 2 of the License, or
11	(at your option) any later version.
12
13	This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.
17
18	You should have received a copy of the GNU General Public License
19	along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*********************************************************************/
21
22	#ifndef KWIN_PLUGINS_H
23	#define KWIN_PLUGINS_H
24
25	#include <kdecoration_plugins_p.h>
26	#include <kwinglobals.h>
27
28	namespace KWin
29	{
30
31	class DecorationPlugin
32	: public QObject, public KDecorationPlugins
33	{
34	Q_OBJECT
35	public:
36	virtual ~DecorationPlugin();
37	virtual bool provides(Requirement);
38	/**
39	* @returns @c true if there is no decoration plugin.
40	**/
41	bool isDisabled() const;
42
43	bool hasShadows() const;
44	bool hasAlpha() const;
45	bool supportsAnnounceAlpha() const;
46	bool supportsTabbing() const;
47	bool supportsFrameOverlap() const;
48	bool supportsBlurBehind() const;
49	Qt::Corner closeButtonCorner();
50
51	QString supportInformation();
52
53	// D-Bus interface
54	/**
55	* @deprecated
56	* @todo: remove KDE5
57	**/
58	QList<int> supportedColors() const;
59
60	public Q_SLOTS:
61	void resetCompositing();
62	protected:
63	virtual void error(const QString& error_msg);
64	private:
65	void setDisabled(bool noDecoration);
66	bool m_disabled;
67	KWIN_SINGLETON(DecorationPlugin)
68	};
69
70	inline DecorationPlugin *decorationPlugin() {
71	return DecorationPlugin::self();
72	}
73
74	} // namespace
75
76	#endif
77