File indexing completed on 2024-09-08 04:30:11

 /*
     SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #ifndef POINTERLOCKER_H
 #define POINTERLOCKER_H
 
 #include <QObject>
 #include <QWindow>
 
 class AbstractPointerLocker : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(bool isSupported READ isSupported NOTIFY supportedChanged)
     Q_PROPERTY(bool isLocked READ isLocked WRITE setLocked NOTIFY lockedChanged)
     Q_PROPERTY(bool isLockEffective READ isLockEffective NOTIFY lockEffectiveChanged)
     Q_PROPERTY(QWindow *window READ window WRITE setWindow NOTIFY windowChanged)
 public:
     AbstractPointerLocker(QObject *parent = nullptr)
         : QObject(parent)
     {
     }
 
     virtual void setLocked(bool locked) = 0;
     virtual bool isLocked() const = 0;
     virtual bool isLockEffective() const = 0;
     virtual bool isSupported() const = 0;
 
     virtual void setWindow(QWindow *window);
     QWindow *window() const
     {
         return m_window;
     }
 
 Q_SIGNALS:
     void supportedChanged(bool isSupported);
     void lockedChanged(bool isLocked);
     void lockEffectiveChanged(bool isLockEffective);
     void windowChanged();
     void pointerMoved(const QPointF &delta);
 
 protected:
     QWindow *m_window = nullptr;
 };
 
 class PointerLockerQt : public AbstractPointerLocker
 {
     Q_OBJECT
 public:
     PointerLockerQt(QObject *parent = nullptr);
     ~PointerLockerQt() override;
 
     void setLocked(bool locked) override;
     bool isLocked() const override;
     bool isSupported() const override
     {
         return true;
     }
     bool isLockEffective() const override
     {
         return isLocked();
     }
 
 private:
     bool eventFilter(QObject *watched, QEvent *event) override;
 
     QPoint m_originalPosition;
     bool m_isLocked = false;
 };
 
 #endif