cursorsource.h

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/*
    SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "utils/xcursortheme.h"
 
#include <QImage>
#include <QObject>
#include <QPoint>
#include <QTimer>
 
namespace KWin
{
 
class SurfaceInterface;
 
class KWIN_EXPORT CursorSource : public QObject
{
    Q_OBJECT
 
public:
    explicit CursorSource(QObject *parent = nullptr);
 
    QSizeF size() const;
    QPointF hotspot() const;
 
Q_SIGNALS:
    void changed();
 
protected:
    QSizeF m_size = QSizeF(0, 0);
    QPointF m_hotspot;
};
 
class KWIN_EXPORT ShapeCursorSource : public CursorSource
{
    Q_OBJECT
 
public:
    explicit ShapeCursorSource(QObject *parent = nullptr);
 
    QImage image() const;
 
    QByteArray shape() const;
    void setShape(const QByteArray &shape);
    void setShape(Qt::CursorShape shape);
 
    KXcursorTheme theme() const;
    void setTheme(const KXcursorTheme &theme);
 
private:
    void refresh();
    void selectNextSprite();
    void selectSprite(int index);
 
    KXcursorTheme m_theme;
    QByteArray m_shape;
    QList<KXcursorSprite> m_sprites;
    QTimer m_delayTimer;
    QImage m_image;
    int m_currentSprite = -1;
};
 
class KWIN_EXPORT SurfaceCursorSource : public CursorSource
{
    Q_OBJECT
 
public:
    explicit SurfaceCursorSource(QObject *parent = nullptr);
 
    SurfaceInterface *surface() const;
 
public Q_SLOTS:
    void update(SurfaceInterface *surface, const QPointF &hotspot);
 
private:
    void refresh();
    void reset();
 
    SurfaceInterface *m_surface = nullptr;
};
 
} // namespace KWin