sharedeventfilter_p.h

// Copyright (C) 2023-present Stdware Collections (https://www.github.com/stdware)
// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
// SPDX-License-Identifier: Apache-2.0
 
#ifndef SHAREDEVENTFILTER_P_H
#define SHAREDEVENTFILTER_P_H
 
//
//  W A R N I N G !!!
//  -----------------
//
// This file is not part of the QWindowKit API. It is used purely as an
// implementation detail. This header file may change from version to
// version without notice, or may even be removed.
//
 
#include <QWKCore/qwkglobal.h>
 
namespace QWK {
 
    class SharedEventFilter;
 
    class QWK_CORE_EXPORT SharedEventDispatcher {
    public:
        SharedEventDispatcher();
        virtual ~SharedEventDispatcher();
 
    public:
        virtual bool sharedDispatch(QObject *obj, QEvent *event);
 
    public:
        void installSharedEventFilter(SharedEventFilter *filter);
        void removeSharedEventFilter(SharedEventFilter *filter);
 
    protected:
        QList<SharedEventFilter *> m_sharedEventFilters;
 
        int m_sharedDispatchDepth = 0;
 
        friend class SharedEventFilter;
 
        Q_DISABLE_COPY(SharedEventDispatcher)
    };
 
    class QWK_CORE_EXPORT SharedEventFilter {
    public:
        SharedEventFilter();
        virtual ~SharedEventFilter();
 
    public:
        virtual bool sharedEventFilter(QObject *obj, QEvent *event) = 0;
 
    protected:
        SharedEventDispatcher *m_sharedDispatcher = nullptr;
 
        friend class SharedEventDispatcher;
 
        Q_DISABLE_COPY(SharedEventFilter)
    };
 
}
 
#endif // SHAREDEVENTFILTER_P_H