File indexing completed on 2024-04-28 05:30:39

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2014 Fredrik Höglund <fredrik@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <xcb/xcb.h>
 
 #include <QList>
 
 #include <kwin_export.h>
 
 namespace KWin
 {
 
 class KWIN_EXPORT X11EventFilter
 {
 public:
     /**
      * Creates an event filter for the given event type.
      */
     X11EventFilter(int eventType, int opcode = 0, int genericEventType = 0);
     X11EventFilter(int eventType, int opcode, const QList<int> &genericEventTypes);
     X11EventFilter(const QList<int> &eventTypes);
 
     /**
      * Destroys the event filter.
      */
     virtual ~X11EventFilter();
 
     /**
      * Returns the type of events to filter.
      */
     QList<int> eventTypes() const
     {
         return m_eventTypes;
     }
 
     /**
      * Returns the major opcode of the extension.
      *
      * Only used when the event type is XCB_GE_GENERIC.
      */
     int extension() const
     {
         return m_extension;
     }
 
     /**
      * Returns the types of generic events to filter.
      *
      * Only used when the event type is XCB_GE_GENERIC.
      */
     QList<int> genericEventTypes() const
     {
         return m_genericEventTypes;
     }
 
     /**
      * This method is called for every event of the filtered type.
      *
      * Return true to accept the event and stop further processing, and false otherwise.
      */
     virtual bool event(xcb_generic_event_t *event) = 0;
 
     /**
      * Whether the event filter is for XCB_GE_GENERIC events.
      */
     bool isGenericEvent() const;
 
 private:
     QList<int> m_eventTypes;
     int m_extension;
     QList<int> m_genericEventTypes;
 };
 
 } // namespace KWin