colorpicker.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
 
#include "effect/effect.h"
#include <QColor>
#include <QDBusContext>
#include <QDBusMessage>
#include <QDBusUnixFileDescriptor>
#include <QObject>
 
namespace KWin
{
 
class ColorPickerEffect : public Effect, protected QDBusContext
{
    Q_OBJECT
    Q_CLASSINFO("D-Bus Interface", "org.kde.kwin.ColorPicker")
public:
    ColorPickerEffect();
    ~ColorPickerEffect() override;
    void paintScreen(const RenderTarget &renderTarget, const RenderViewport &viewport, int mask, const QRegion &region, Output *screen) override;
    bool isActive() const override;
 
    int requestedEffectChainPosition() const override
    {
        return 0;
    }
 
    static bool supported();
 
public Q_SLOTS:
    Q_SCRIPTABLE QColor pick();
 
private:
    void showInfoMessage();
    void hideInfoMessage();
 
    QDBusMessage m_replyMessage;
    QPointF m_scheduledPosition;
    bool m_picking = false;
};
 
} // namespace