IPanelSource.h

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// SPDX-FileCopyrightText: 2026 fuddlesworth
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include "phosphorscreenscore_export.h"
 
#include <QObject>
 
class QScreen;
 
namespace Phosphor::Screens {
 
class PHOSPHORSCREENSCORE_EXPORT IPanelSource : public QObject
{
    Q_OBJECT
public:
    struct Offsets
    {
        int top = 0;
        int bottom = 0;
        int left = 0;
        int right = 0;
 
        bool isZero() const noexcept
        {
            return top == 0 && bottom == 0 && left == 0 && right == 0;
        }
        bool operator==(const Offsets&) const = default;
    };
 
    explicit IPanelSource(QObject* parent = nullptr)
        : QObject(parent)
    {
    }
    ~IPanelSource() override = default;
 
    virtual void start() = 0;
 
    virtual void stop() = 0;
 
    virtual Offsets currentOffsets(QScreen* screen) const = 0;
 
    virtual bool ready() const = 0;
 
    virtual void requestRequery(int delayMs = 0) = 0;
 
Q_SIGNALS:
    void panelOffsetsChanged(QScreen* screen);
 
    void requeryCompleted();
};
 
} // namespace Phosphor::Screens