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unity8/plugins/WindowManager/Screens.h
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1/*
2 * Copyright (C) 2016 Canonical, Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License version 3, as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
10 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#ifndef UNITY_SCREENS_H
18#define UNITY_SCREENS_H
20#include <QAbstractListModel>
21#include <QSharedPointer>
22#include <QPointer>
24namespace qtmir
26class Screen;
27class Screens;
30class Screen;
31class ProxyScreens;
32class ScreensConfiguration;
34class Screens : public QAbstractListModel
36 Q_OBJECT
37 Q_PROPERTY(int count READ count NOTIFY countChanged)
38 Q_PROPERTY(QVariant activeScreen READ activeScreen WRITE activateScreen NOTIFY activeScreenChanged)
40public:
41 enum ItemRoles {
42 ScreenRole = Qt::UserRole + 1
43 };
45 virtual ~Screens();
47 /* QAbstractItemModel */
48 QHash<int, QByteArray> roleNames() const override;
49 QVariant data(const QModelIndex &index, int role = ScreenRole) const override;
50 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
52 Q_INVOKABLE int indexOf(Screen*) const;
53 Q_INVOKABLE Screen* get(int index) const;
55 int count() const;
56 QVariant activeScreen() const;
58 const QVector<Screen*>& list() const { return m_screens; }
60public Q_SLOTS:
61 void activateScreen(const QVariant& index);
63Q_SIGNALS:
64 void countChanged();
65 void activeScreenChanged();
67 void screenAdded(Screen* screen);
68 void screenRemoved(Screen* screen);
70protected:
71 Screens(const QSharedPointer<qtmir::Screens>& model);
73 QVector<Screen*> m_screens;
74 const QSharedPointer<qtmir::Screens> m_wrapped;
76 friend class ProxyScreens;
77};
79class ConcreteScreens : public Screens
81 Q_OBJECT
82public:
83 explicit ConcreteScreens(const QSharedPointer<qtmir::Screens>& model, ScreensConfiguration* config);
84 ~ConcreteScreens();
86 Q_INVOKABLE ProxyScreens *createProxy();
87 Q_INVOKABLE void sync(ProxyScreens *proxy);
89 static ConcreteScreens *self();
91protected Q_SLOTS:
92 void onScreenAdded(qtmir::Screen *screen);
93 void onScreenRemoved(qtmir::Screen *screen);
95private:
96 ScreensConfiguration* m_config;
98 static ConcreteScreens* m_self;
99};
101class ProxyScreens : public Screens
103public:
104 explicit ProxyScreens(Screens*const screens);
106 void setSyncing(bool syncing);
107 bool isSyncing() const { return m_syncing; }
109private:
110 const QPointer<Screens> m_original;
111 bool m_syncing;
112};
114#endif // SCREENS_H