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124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
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SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-FileCopyrightText: 2020 Adrien Faveraux <ad1rie3@hotmail.fr>
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SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
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*/
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#pragma once
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#include <KWaylandServer/kwaylandserver_export.h>
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#include <QObject>
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struct wl_resource;
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namespace KWaylandServer
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{
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class CursorPrivate;
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class Cursor;
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class PointerInterfacePrivate;
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class SeatInterface;
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class SurfaceInterface;
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enum class PointerAxisSource;
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enum class PointerButtonState : quint32;
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/**
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* The PointerInterface class represents one or more input devices such as mice, which control
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* the pointer location. It corresponds to the Wayland interface @c wl_pointer.
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*/
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class KWAYLANDSERVER_EXPORT PointerInterface : public QObject
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{
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Q_OBJECT
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public:
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~PointerInterface() override;
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/**
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* Returns the focused pointer surface. Note that the returned value may be different
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* from SurfaceInterface::focusedSurfacePointerSurface() because this function returns
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* the effective focused surface.
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*/
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SurfaceInterface *focusedSurface() const;
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/**
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* Sets the effective focused pointer surface to @a surface. The @a position indicates
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* where the pointer has entered the surface.
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*/
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void setFocusedSurface(SurfaceInterface *surface, const QPointF &position, quint32 serial);
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Cursor *cursor() const;
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/**
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* Returns the seat to which this pointer belongs to.
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*/
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SeatInterface *seat() const;
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/**
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* @returns The PointerInterface for the @p native resource.
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*/
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static PointerInterface *get(wl_resource *native);
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void sendButton(quint32 button, PointerButtonState state, quint32 serial);
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void sendAxis(Qt::Orientation orientation, qreal delta, qint32 discreteDelta, PointerAxisSource source);
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void sendMotion(const QPointF &position);
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void sendFrame();
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Q_SIGNALS:
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/**
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* This signal is emitted whenever the cursor surface changes. As long as there is no
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* any focused surface, the cursor cannot be changed.
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*/
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void cursorChanged();
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/**
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* This signal is emitted whenever the focused pointer surface changes.
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*/
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void focusedSurfaceChanged();
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private:
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explicit PointerInterface(SeatInterface *seat);
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QScopedPointer<PointerInterfacePrivate> d;
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friend class SeatInterface;
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friend class PointerInterfacePrivate;
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};
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/**
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* @brief Class encapsulating a Cursor image.
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*/
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class KWAYLANDSERVER_EXPORT Cursor : public QObject
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{
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Q_OBJECT
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public:
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virtual ~Cursor();
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/**
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* The hotspot of the cursor image in surface-relative coordinates.
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*/
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QPoint hotspot() const;
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/**
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* The entered serial when the Cursor got set.
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*/
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quint32 enteredSerial() const;
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/**
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* The PointerInterface this Cursor belongs to.
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*/
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PointerInterface *pointer() const;
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/**
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* The SurfaceInterface for the image content of the Cursor.
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*/
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SurfaceInterface *surface() const;
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Q_SIGNALS:
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void hotspotChanged();
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void enteredSerialChanged();
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void surfaceChanged();
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void changed();
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private:
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QScopedPointer<CursorPrivate> d;
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friend class PointerInterfacePrivate;
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explicit Cursor(PointerInterface *parent);
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};
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} // namespace KWaylandServer
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