ScreenModel.h

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// SPDX-FileCopyrightText: 2026 fuddlesworth
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include <PhosphorShell/phosphorshell_export.h>
 
#include <QAbstractListModel>
#include <QList>
 
QT_BEGIN_NAMESPACE
class QScreen;
QT_END_NAMESPACE
 
namespace PhosphorLayer {
class IScreenProvider;
} // namespace PhosphorLayer
 
namespace PhosphorShell {
 
// Not registered with QML directly — exposed via `PhosphorShell.screens`
// (the ShellGlobal context-property). Construction is internal to
// ShellEngine; QML can read it as a model but cannot instantiate it.
class PHOSPHORSHELL_EXPORT ScreenModel : public QAbstractListModel
{
    Q_OBJECT
 
public:
    enum Role {
        ScreenRole = Qt::UserRole + 1,
        NameRole,
        WidthRole,
        HeightRole,
        IsPrimaryRole,
    };
    Q_ENUM(Role)
 
    explicit ScreenModel(PhosphorLayer::IScreenProvider* provider, QObject* parent = nullptr);
    ~ScreenModel() override;
 
    int rowCount(const QModelIndex& parent = {}) const override;
    QVariant data(const QModelIndex& index, int role) const override;
    QHash<int, QByteArray> roleNames() const override;
 
private Q_SLOTS:
    void onScreensChanged();
    void onPrimaryScreenChanged();
 
private:
    PhosphorLayer::IScreenProvider* m_provider;
    QList<QScreen*> m_screens;
};
 
} // namespace PhosphorShell