File indexing completed on 2023-12-10 04:54:44

 /*
     SPDX-FileCopyrightText: 2018 Roman Gilg <subdiff@gmail.com>
     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
 */
 
 #include "pointerlocker.h"
 
 #include <QCursor>
 #include <QGuiApplication>
 #include <QQmlContext>
 #include <QQmlEngine>
 
 #include <QDebug>
 
 void AbstractPointerLocker::setWindow(QWindow *window)
 {
     if (m_window == window) {
         return;
     }
     m_window = window;
     Q_EMIT windowChanged();
 }
 
 PointerLockerQt::PointerLockerQt(QObject *parent)
     : AbstractPointerLocker(parent)
 {
 }
 
 PointerLockerQt::~PointerLockerQt() = default;
 
 void PointerLockerQt::setLocked(bool lock)
 {
     if (m_isLocked == lock) {
         return;
     }
     m_isLocked = lock;
 
     if (lock) {
         /* Cursor needs to be hidden such that Xwayland emulates warps. */
         QGuiApplication::setOverrideCursor(QCursor(Qt::BlankCursor));
         m_originalPosition = QCursor::pos();
         m_window->installEventFilter(this);
         Q_EMIT lockedChanged(true);
         Q_EMIT lockEffectiveChanged(true);
     } else {
         m_window->removeEventFilter(this);
         QGuiApplication::restoreOverrideCursor();
         Q_EMIT lockedChanged(false);
         Q_EMIT lockEffectiveChanged(false);
     }
 }
 
 bool PointerLockerQt::isLocked() const
 {
     return m_isLocked;
 }
 
 bool PointerLockerQt::eventFilter(QObject *watched, QEvent *event)
 {
     if (watched != m_window || event->type() != QEvent::MouseMove || !isLocked()) {
         return false;
     }
 
     const auto newPos = QCursor::pos();
     const QPointF dist = newPos - m_originalPosition;
     Q_EMIT pointerMoved({dist.x(), dist.y()});
     QCursor::setPos(m_originalPosition);
 
     return true;
 }
 
 #include "moc_pointerlocker.cpp"