144 lines
3 KiB
C++
144 lines
3 KiB
C++
/*
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#ifndef KWIN_SCREENS_H
|
|
#define KWIN_SCREENS_H
|
|
|
|
// KWin includes
|
|
#include <kwinglobals.h>
|
|
// KDE includes
|
|
#include <KConfig>
|
|
#include <KSharedConfig>
|
|
// Qt includes
|
|
#include <QObject>
|
|
#include <QRect>
|
|
#include <QTimer>
|
|
#include <QVector>
|
|
|
|
namespace KWin
|
|
{
|
|
class AbstractClient;
|
|
class AbstractOutput;
|
|
class Platform;
|
|
|
|
class KWIN_EXPORT Screens : public QObject
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(int count READ count WRITE setCount NOTIFY countChanged)
|
|
|
|
public:
|
|
~Screens() override;
|
|
int count() const;
|
|
QRect geometry(int screen) const;
|
|
/**
|
|
* The bounding geometry of all screens combined. Overlapping areas
|
|
* are not counted multiple times.
|
|
* @see geometryChanged()
|
|
*/
|
|
QRect geometry() const;
|
|
|
|
/**
|
|
* The highest scale() of all connected screens
|
|
* for use when deciding what scale to load global assets at
|
|
* Similar to QGuiApplication::scale
|
|
* @see scale
|
|
*/
|
|
qreal maxScale() const;
|
|
|
|
/**
|
|
* The output scale for this display, for use by high DPI displays
|
|
*/
|
|
qreal scale(int screen) const;
|
|
/**
|
|
* The bounding size of all screens combined. Overlapping areas
|
|
* are not counted multiple times.
|
|
*
|
|
* @see geometry()
|
|
* @see sizeChanged()
|
|
*/
|
|
QSize size() const;
|
|
int number(const QPoint &pos) const;
|
|
|
|
int intersecting(const QRect &r) const;
|
|
|
|
Q_SIGNALS:
|
|
void countChanged(int previousCount, int newCount);
|
|
/**
|
|
* Emitted whenever the screens are changed either count or geometry.
|
|
*/
|
|
void changed();
|
|
/**
|
|
* Emitted when the geometry of all screens combined changes.
|
|
* Not emitted when the geometry of an individual screen changes.
|
|
* @see geometry()
|
|
*/
|
|
void geometryChanged();
|
|
/**
|
|
* Emitted when the size of all screens combined changes.
|
|
* Not emitted when the size of an individual screen changes.
|
|
* @see size()
|
|
*/
|
|
void sizeChanged();
|
|
/**
|
|
* Emitted when the maximum scale of all attached screens changes
|
|
* @see maxScale
|
|
*/
|
|
void maxScaleChanged();
|
|
|
|
protected Q_SLOTS:
|
|
void setCount(int count);
|
|
void updateCount();
|
|
|
|
protected:
|
|
/**
|
|
* Called once the singleton instance has been created.
|
|
* Any initialization code should go into this method. Overriding classes have to call
|
|
* the base implementation first.
|
|
*/
|
|
void init();
|
|
|
|
private Q_SLOTS:
|
|
void updateSize();
|
|
|
|
private:
|
|
AbstractOutput *findOutput(int screenId) const;
|
|
|
|
int m_count;
|
|
QSize m_boundingSize;
|
|
qreal m_maxScale;
|
|
|
|
KWIN_SINGLETON(Screens)
|
|
};
|
|
|
|
inline
|
|
int Screens::count() const
|
|
{
|
|
return m_count;
|
|
}
|
|
|
|
inline
|
|
QSize Screens::size() const
|
|
{
|
|
return m_boundingSize;
|
|
}
|
|
|
|
inline
|
|
QRect Screens::geometry() const
|
|
{
|
|
return QRect(QPoint(0,0), size());
|
|
}
|
|
|
|
inline
|
|
Screens *screens()
|
|
{
|
|
return Screens::self();
|
|
}
|
|
|
|
}
|
|
|
|
#endif // KWIN_SCREENS_H
|