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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QGNOMEPORTALINTERFACE_P_H
#define QGNOMEPORTALINTERFACE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qtconfigmacros.h>
QT_REQUIRE_CONFIG(dbus);
#include <QtCore/QObject>
#include <QtGui/private/qdbuslistener_p.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QGnomePortalInterface : public QObject
{
Q_OBJECT
public:
QGnomePortalInterface(QObject *parent = nullptr);
~QGnomePortalInterface() = default;
Qt::ColorScheme colorScheme(Qt::ColorScheme fallback = Qt::ColorScheme::Unknown) const;
Qt::ContrastPreference contrastPreference(
Qt::ContrastPreference fallback = Qt::ContrastPreference::NoPreference) const;
private:
void querySettings();
void updateColorScheme(Qt::ColorScheme colorScheme);
void updateContrast(Qt::ContrastPreference contrast);
Q_SIGNALS:
void colorSchemeChanged(Qt::ColorScheme);
void contrastChanged(Qt::ContrastPreference);
void themeNameChanged(const QString &themeName);
private Q_SLOTS:
void dbusSettingChanged(QDBusListener::Provider, QDBusListener::Setting, const QVariant &value);
private:
mutable uint m_version = 0; // cached version value
std::optional<Qt::ColorScheme> m_colorScheme;
std::optional<Qt::ContrastPreference> m_contrast;
std::unique_ptr<QDBusListener> m_dbus;
static constexpr QLatin1StringView s_service{ "org.freedesktop.portal.Desktop" };
static constexpr QLatin1StringView s_path{ "/org/freedesktop/portal/desktop" };
static constexpr QLatin1StringView s_interface{ "org.freedesktop.portal.Settings" };
};
QT_END_NAMESPACE
#endif // QGNOMEPORTALINTERFACE_P_H
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