pointer.h

/*
    SPDX-FileCopyrightText: 2014 Martin Gräßlin <[email protected]>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#ifndef WAYLAND_POINTER_H
#define WAYLAND_POINTER_H

#include <QObject>
#include <QPoint>

#include <KWayland/Client/kwaylandclient_export.h>

struct wl_pointer;

namespace KWayland
{
namespace Client
{

class Surface;

class KWAYLANDCLIENT_EXPORT Pointer : public QObject
{
    Q_OBJECT
public:
    enum class ButtonState {
        Released,
        Pressed
    };
    enum class Axis {
        Vertical,
        Horizontal
    };
    enum class AxisSource {
        Wheel,
        Finger,
        Continuous,
        WheelTilt
    };
    explicit Pointer(QObject *parent = nullptr);
    virtual ~Pointer();

    bool isValid() const;
    void setup(wl_pointer *pointer);
    void release();
    void destroy();

    void setCursor(Surface *surface, const QPoint &hotspot = QPoint());
    void hideCursor();

    Surface *enteredSurface() const;
    Surface *enteredSurface();

    operator wl_pointer*();
    operator wl_pointer*() const;

Q_SIGNALS:
    void entered(quint32 serial, const QPointF &relativeToSurface);
    void left(quint32 serial);
    void motion(const QPointF &relativeToSurface, quint32 time);
    void buttonStateChanged(quint32 serial, quint32 time, quint32 button, KWayland::Client::Pointer::ButtonState state);
    void axisChanged(quint32 time, KWayland::Client::Pointer::Axis axis, qreal delta);
    void axisSourceChanged(KWayland::Client::Pointer::AxisSource source);
    void axisDiscreteChanged(KWayland::Client::Pointer::Axis axis, qint32 discreteDelta);
    void axisStopped(quint32 time, KWayland::Client::Pointer::Axis axis);

    void frame();

private:
    class Private;
    QScopedPointer<Private> d;
};

}
}

Q_DECLARE_METATYPE(KWayland::Client::Pointer::ButtonState)
Q_DECLARE_METATYPE(KWayland::Client::Pointer::Axis)
Q_DECLARE_METATYPE(KWayland::Client::Pointer::AxisSource)

#endif