Update qmsetup

SineStriker

2025-05-19 ac1a62b2a76e4d15e412b9579b80da2dafbc6d6a

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// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
// SPDX-License-Identifier: Apache-2.0
 
#include "nativeeventfilter_p.h"
 
#include <QtCore/QAbstractNativeEventFilter>
#include <QtCore/QCoreApplication>
 
namespace QWK {
 
    NativeEventFilter::NativeEventFilter() : m_nativeDispatcher(nullptr) {
    }
 
    NativeEventFilter::~NativeEventFilter() {
        if (m_nativeDispatcher)
            m_nativeDispatcher->removeNativeEventFilter(this);
    }
 
    NativeEventDispatcher::NativeEventDispatcher() = default;
 
    NativeEventDispatcher::~NativeEventDispatcher() {
        for (const auto &observer : std::as_const(m_nativeEventFilters)) {
            observer->m_nativeDispatcher = nullptr;
        }
    }
 
    bool NativeEventDispatcher::nativeDispatch(const QByteArray &eventType, void *message,
                                               QT_NATIVE_EVENT_RESULT_TYPE *result) {
        for (const auto &ef : std::as_const(m_nativeEventFilters)) {
            if (ef->nativeEventFilter(eventType, message, result))
                return true;
        }
        return false;
    }
 
    void NativeEventDispatcher::installNativeEventFilter(NativeEventFilter *filter) {
        if (!filter || filter->m_nativeDispatcher)
            return;
 
        m_nativeEventFilters.append(filter);
        filter->m_nativeDispatcher = this;
    }
 
    void NativeEventDispatcher::removeNativeEventFilter(NativeEventFilter *filter) {
        if (!m_nativeEventFilters.removeOne(filter)) {
            return;
        }
        filter->m_nativeDispatcher = nullptr;
    }
 
 
    // Avoid adding multiple global native event filters to QGuiApplication
    // in this library.
    class AppMasterNativeEventFilter : public QAbstractNativeEventFilter,
                                       public NativeEventDispatcher {
    public:
        AppMasterNativeEventFilter() {
            qApp->installNativeEventFilter(this);
        }
 
        // The base class removes automatically
        ~AppMasterNativeEventFilter() override = default;
 
        bool nativeEventFilter(const QByteArray &eventType, void *message,
                               QT_NATIVE_EVENT_RESULT_TYPE *result) override {
            return nativeDispatch(eventType, message, result);
        }
 
        static inline AppMasterNativeEventFilter *instance = nullptr;
 
        friend class AppNativeEventFilter;
    };
 
    AppNativeEventFilter::AppNativeEventFilter() {
        if (!AppMasterNativeEventFilter::instance) {
            AppMasterNativeEventFilter::instance = new AppMasterNativeEventFilter();
        }
        AppMasterNativeEventFilter::instance->installNativeEventFilter(this);
    }
 
    AppNativeEventFilter::~AppNativeEventFilter() {
        AppMasterNativeEventFilter::instance->removeNativeEventFilter(this);
        if (AppMasterNativeEventFilter::instance->m_nativeEventFilters.isEmpty()) {
            delete AppMasterNativeEventFilter::instance;
            AppMasterNativeEventFilter::instance = nullptr;
        }
    }
 
}