src/ui/RippleOverlay.h


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// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

#pragma once

#include <QPainterPath>

#include "OverlayWidget.h"

class Ripple;

class RippleOverlay : public OverlayWidget
{
    Q_OBJECT

public:
    explicit RippleOverlay(QWidget *parent = nullptr);

    void addRipple(Ripple *ripple);
    void addRipple(const QPoint &position, qreal radius = 300);

    void removeRipple(Ripple *ripple);

    inline void setClipping(bool enable);
    inline bool hasClipping() const;

    inline void setClipPath(const QPainterPath &path);

protected:
    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;

private:
    Q_DISABLE_COPY(RippleOverlay)

    void paintRipple(QPainter *painter, Ripple *ripple);

    QList<Ripple *> ripples_;
    QPainterPath clip_path_;
    bool use_clip_;
};

inline void
RippleOverlay::setClipping(bool enable)
{
    use_clip_ = enable;
    update();
}

inline bool
RippleOverlay::hasClipping() const
{
    return use_clip_;
}

inline void
RippleOverlay::setClipPath(const QPainterPath &path)
{
    clip_path_ = path;
    update();
}