kwin/src/wayland/pointer_interface.h
Vlad Zahorodnii a50f84a868 Merge notifyPointerPress() and notifyPointerRelease()
This brings the API of the SeatInterface class and the PointerInterface
class closer the corresponding Wayland API.
2021-03-23 11:20:03 +02:00

125 lines
3.3 KiB
C++

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