7096e3ead8
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85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2014 Fredrik Höglund <fredrik@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef X11EVENTFILTER_H
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#define X11EVENTFILTER_H
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#include <xcb/xcb.h>
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#include <QVector>
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#include <kwin_export.h>
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namespace KWin
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{
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class KWIN_EXPORT X11EventFilter
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{
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public:
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/**
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* Creates an event filter for the given event type.
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*/
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X11EventFilter(int eventType, int opcode = 0, int genericEventType = 0);
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X11EventFilter(int eventType, int opcode, const QVector<int> &genericEventTypes);
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X11EventFilter(const QVector<int> &eventTypes);
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/**
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* Destroys the event filter.
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*/
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virtual ~X11EventFilter();
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/**
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* Returns the type of events to filter.
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*/
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QVector<int> eventTypes() const
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{
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return m_eventTypes;
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}
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/**
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* Returns the major opcode of the extension.
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*
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* Only used when the event type is XCB_GE_GENERIC.
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*/
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int extension() const
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{
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return m_extension;
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}
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/**
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* Returns the types of generic events to filter.
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*
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* Only used when the event type is XCB_GE_GENERIC.
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*/
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QVector<int> genericEventTypes() const
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{
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return m_genericEventTypes;
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}
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/**
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* This method is called for every event of the filtered type.
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*
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* Return true to accept the event and stop further processing, and false otherwise.
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*/
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virtual bool event(xcb_generic_event_t *event) = 0;
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/**
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* Whether the event filter is for XCB_GE_GENERIC events.
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*/
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bool isGenericEvent() const;
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private:
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QVector<int> m_eventTypes;
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int m_extension;
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QVector<int> m_genericEventTypes;
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};
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} // namespace KWin
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#endif
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