147 lines
3.5 KiB
C++
147 lines
3.5 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_SCREENS_H
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#define KWIN_SCREENS_H
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// KWin includes
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#include <kwinglobals.h>
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// KDE includes
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#include <KDE/KConfig>
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// Qt includes
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#include <QObject>
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#include <QRect>
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#include <QTimer>
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class QDesktopWidget;
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namespace KWin
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{
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class Client;
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class Screens : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(int count READ count WRITE setCount NOTIFY countChanged)
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Q_PROPERTY(int current READ current WRITE setCurrent NOTIFY currentChanged)
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Q_PROPERTY(bool currentFollowsMouse READ isCurrentFollowsMouse WRITE setCurrentFollowsMouse)
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public:
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virtual ~Screens();
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/**
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* @internal
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**/
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void setConfig(KSharedConfig::Ptr config);
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int count() const;
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int current() const;
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void setCurrent(int current);
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/**
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* Called e.g. when a user clicks on a window, set current screen to be the screen
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* where the click occurred
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*/
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void setCurrent(const QPoint &pos);
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/**
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* Check whether a client moved completely out of what's considered the current screen,
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* if yes, set a new active screen.
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*/
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void setCurrent(const Client *c);
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bool isCurrentFollowsMouse() const;
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void setCurrentFollowsMouse(bool follows);
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virtual QRect geometry(int screen) const = 0;
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virtual int number(const QPoint &pos) const = 0;
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inline bool isChanging() { return m_changedTimer->isActive(); }
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int intersecting(const QRect &r) const;
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public Q_SLOTS:
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void reconfigure();
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Q_SIGNALS:
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void countChanged(int previousCount, int newCount);
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/**
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* Emitted whenever the screens are changed either count or geometry.
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**/
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void changed();
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void currentChanged();
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protected Q_SLOTS:
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void setCount(int count);
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void startChangedTimer();
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virtual void updateCount() = 0;
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private:
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int m_count;
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int m_current;
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bool m_currentFollowsMouse;
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QTimer *m_changedTimer;
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KSharedConfig::Ptr m_config;
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KWIN_SINGLETON(Screens)
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};
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class DesktopWidgetScreens : public Screens
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{
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Q_OBJECT
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public:
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DesktopWidgetScreens(QObject *parent);
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virtual ~DesktopWidgetScreens();
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virtual QRect geometry(int screen) const;
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virtual int number(const QPoint &pos) const;
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protected Q_SLOTS:
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void updateCount();
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private:
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QDesktopWidget *m_desktop;
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};
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inline
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void Screens::setConfig(KSharedConfig::Ptr config)
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{
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m_config = config;
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}
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inline
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int Screens::count() const
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{
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return m_count;
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}
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inline
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bool Screens::isCurrentFollowsMouse() const
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{
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return m_currentFollowsMouse;
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}
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inline
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void Screens::startChangedTimer()
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{
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m_changedTimer->start();
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}
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inline
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Screens *screens()
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{
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return Screens::self();
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}
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}
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#endif // KWIN_SCREENS_H
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