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

1	/********************************************************************
2	KWin - the KDE window manager
3	This file is part of the KDE project.
4
5	Copyright (C) 2011 Martin Gräßlin <mgraesslin@kde.org>
6
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.
11
12	This program 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
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*********************************************************************/
20
21	#ifndef KWIN_THUMBNAILITEM_H
22	#define KWIN_THUMBNAILITEM_H
23
24	#include <QWeakPointer>
25	#include <QtDeclarative/QDeclarativeItem>
26
27	namespace KWin
28	{
29
30	class Client;
31	class EffectWindow;
32	class EffectWindowImpl;
33
34	class AbstractThumbnailItem : public QDeclarativeItem
35	{
36	Q_OBJECT
37	Q_PROPERTY(bool clip READ isClip WRITE setClip NOTIFY clipChanged SCRIPTABLE true)
38	Q_PROPERTY(qulonglong parentWindow READ parentWindow WRITE setParentWindow)
39	Q_PROPERTY(qreal brightness READ brightness WRITE setBrightness NOTIFY brightnessChanged)
40	Q_PROPERTY(qreal saturation READ saturation WRITE setSaturation NOTIFY saturationChanged)
41	public:
42	virtual ~AbstractThumbnailItem();
43	bool isClip() const {
44	return m_clip;
45	}
46	void setClip(bool clip);
47	qulonglong parentWindow() const {
48	return m_parentWindow;
49	}
50	void setParentWindow(qulonglong parentWindow);
51	qreal brightness() const;
52	qreal saturation() const;
53
54	public Q_SLOTS:
55	void setBrightness(qreal brightness);
56	void setSaturation(qreal saturation);
57
58	Q_SIGNALS:
59	void clipChanged(bool clipped);
60	void brightnessChanged();
61	void saturationChanged();
62
63	protected:
64	explicit AbstractThumbnailItem(QDeclarativeItem *parent = `0`);
65
66	protected Q_SLOTS:
67	virtual void repaint(KWin::EffectWindow* w) = `0`;
68
69	private Q_SLOTS:
70	void init();
71	void effectWindowAdded();
72	void compositingToggled();
73
74	private:
75	void findParentEffectWindow();
76	bool m_clip;
77	QWeakPointer<EffectWindowImpl> m_parent;
78	qulonglong m_parentWindow;
79	qreal m_brightness;
80	qreal m_saturation;
81	};
82
83	class WindowThumbnailItem : public AbstractThumbnailItem
84	{
85	Q_OBJECT
86	Q_PROPERTY(qulonglong wId READ wId WRITE setWId NOTIFY wIdChanged SCRIPTABLE true)
87	Q_PROPERTY(KWin::Client *client READ client WRITE setClient NOTIFY clientChanged)
88	public:
89	explicit WindowThumbnailItem(QDeclarativeItem *parent = `0`);
90	virtual ~WindowThumbnailItem();
91
92	qulonglong wId() const {
93	return m_wId;
94	}
95	void setWId(qulonglong wId);
96	Client client() const*;
97	void setClient(Client *client);
98	virtual void paint(QPainter painter, const* QStyleOptionGraphicsItem option, QWidget widget);
99	Q_SIGNALS:
100	void wIdChanged(qulonglong wid);
101	void clientChanged();
102	protected Q_SLOTS:
103	virtual void repaint(KWin::EffectWindow* w);
104	private:
105	qulonglong m_wId;
106	Client *m_client;
107	};
108
109	class DesktopThumbnailItem : public AbstractThumbnailItem
110	{
111	Q_OBJECT
112	Q_PROPERTY(int desktop READ desktop WRITE setDesktop NOTIFY desktopChanged)
113	public:
114	DesktopThumbnailItem(QDeclarativeItem *parent = `0`);
115	virtual ~DesktopThumbnailItem();
116
117	int desktop() const {
118	return m_desktop;
119	}
120	void setDesktop(int desktop);
121	virtual void paint(QPainter painter, const* QStyleOptionGraphicsItem option, QWidget widget);
122	Q_SIGNALS:
123	void desktopChanged(int desktop);
124	protected Q_SLOTS:
125	virtual void repaint(KWin::EffectWindow* w);
126	private:
127	int m_desktop;
128	};
129
130	inline
131	qreal AbstractThumbnailItem::brightness() const
132	{
133	return m_brightness;
134	}
135
136	inline
137	qreal AbstractThumbnailItem::saturation() const
138	{
139	return m_saturation;
140	}
141
142	inline
143	Client WindowThumbnailItem::client() const*
144	{
145	return m_client;
146	}
147
148	} // KWin
149
150	#endif // KWIN_THUMBNAILITEM_H
151