IScreenProvider.h

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// SPDX-FileCopyrightText: 2026 fuddlesworth
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include "PhosphorScreens/PhysicalScreen.h"
#include "phosphorscreenscore_export.h"
 
#include <QObject>
#include <QVector>
 
namespace Phosphor::Screens {
 
class PHOSPHORSCREENSCORE_EXPORT IScreenProvider : public QObject
{
    Q_OBJECT
public:
    explicit IScreenProvider(QObject* parent = nullptr)
        : QObject(parent)
    {
        // PhysicalScreen rides this interface's signals — register it so a
        // queued connection or QSignalSpy can marshal it. qRegisterMetaType
        // is idempotent, so paying it per provider construction is harmless.
        qRegisterMetaType<PhysicalScreen>();
    }
    ~IScreenProvider() override = default;
 
    virtual QVector<PhysicalScreen> screens() const = 0;
 
    virtual PhysicalScreen primaryScreen() const = 0;
 
Q_SIGNALS:
    void screenAdded(const PhysicalScreen& screen);
 
    void screenRemoved(const PhysicalScreen& screen);
 
    void screenGeometryChanged(const PhysicalScreen& screen);
};
 
} // namespace Phosphor::Screens