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0001 /* 0002 SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org> 0003 0004 SPDX-License-Identifier: LGPL-2.0-or-later 0005 */ 0006 0007 #ifndef PRIMARYOUTPUTWATCHER_H 0008 #define PRIMARYOUTPUTWATCHER_H 0009 0010 #include <QAbstractNativeEventFilter> 0011 #include <QObject> 0012 0013 namespace KWayland 0014 { 0015 namespace Client 0016 { 0017 class Registry; 0018 class ConnectionThread; 0019 } 0020 } 0021 0022 class QScreen; 0023 0024 class PrimaryOutputWatcher : public QObject, public QAbstractNativeEventFilter 0025 { 0026 Q_OBJECT 0027 public: 0028 PrimaryOutputWatcher(QObject *parent); 0029 QScreen *primaryScreen() const; 0030 QScreen *screenForName(const QString &outputName) const; 0031 0032 Q_SIGNALS: 0033 void primaryOutputNameChanged(const QString &oldOutputName, const QString &newOutputName); 0034 0035 protected: 0036 friend class WaylandOutputDevice; 0037 void setPrimaryOutputName(const QString &outputName); 0038 0039 private: 0040 void setupRegistry(); 0041 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) 0042 bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) override; 0043 #else 0044 bool nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result) override; 0045 #endif 0046 0047 // All 0048 QString m_primaryOutputName; 0049 0050 // Wayland 0051 KWayland::Client::Registry *m_registry = nullptr; 0052 QString m_primaryOutputWayland; 0053 0054 // Xrandr 0055 int m_xrandrExtensionOffset; 0056 }; 0057 0058 #endif // PRIMARYOUTPUTWATCHER_H