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0001 /* 0002 * SPDX-FileCopyrightText: 2021 Nicolas Fella <nicolas.fella@gmx.de> 0003 * 0004 * SPDX-License-Identifier: LGPL-2.0-or-later 0005 */ 0006 0007 #ifndef KCOLORSCHEMEWATCHER_H 0008 #define KCOLORSCHEMEWATCHER_H 0009 0010 #include "kguiaddons_export.h" 0011 0012 #include <QObject> 0013 0014 #include <memory> 0015 0016 class KColorSchemeWatcherPrivate; 0017 0018 /** 0019 * Information about system-wide color preferences. 0020 * @since 5.100 0021 */ 0022 class KGUIADDONS_EXPORT KColorSchemeWatcher : public QObject 0023 { 0024 Q_OBJECT 0025 public: 0026 enum ColorPreference { 0027 NoPreference = 0, /** No preference available */ 0028 PreferDark, /** The user prefers a dark color scheme */ 0029 PreferLight, /** The user prefers a light color scheme */ 0030 }; 0031 Q_ENUM(ColorPreference) 0032 0033 KColorSchemeWatcher(QObject *parent = nullptr); 0034 ~KColorSchemeWatcher() override; 0035 0036 /** 0037 * The system-wide color preference. 0038 */ 0039 ColorPreference systemPreference() const; 0040 0041 Q_SIGNALS: 0042 /** 0043 * Emitted when systemPreference changes. 0044 */ 0045 void systemPreferenceChanged(); 0046 0047 private: 0048 std::unique_ptr<KColorSchemeWatcherPrivate> const d; 0049 }; 0050 0051 #endif