kwin/src/x11eventfilter.cpp

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004
0005     SPDX-FileCopyrightText: 2014 Fredrik Höglund <fredrik@kde.org>
0006
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009
0010 #include "x11eventfilter.h"
0011 #include "main.h"
0012
0013 namespace KWin
0014 {
0015
0016 X11EventFilter::X11EventFilter(const QList<int> &eventTypes)
0017     : m_eventTypes(eventTypes)
0018     , m_extension(0)
0019 {
0020     kwinApp()->registerEventFilter(this);
0021 }
0022
0023 X11EventFilter::X11EventFilter(int eventType, int opcode, int genericEventType)
0024     : X11EventFilter(eventType, opcode, QList<int>{genericEventType})
0025 {
0026 }
0027
0028 X11EventFilter::X11EventFilter(int eventType, int opcode, const QList<int> &genericEventTypes)
0029     : m_eventTypes(QList<int>{eventType})
0030     , m_extension(opcode)
0031     , m_genericEventTypes(genericEventTypes)
0032 {
0033     kwinApp()->registerEventFilter(this);
0034 }
0035
0036 X11EventFilter::~X11EventFilter()
0037 {
0038     if (kwinApp()) {
0039         kwinApp()->unregisterEventFilter(this);
0040     }
0041 }
0042
0043 bool X11EventFilter::isGenericEvent() const
0044 {
0045     if (m_eventTypes.count() != 1) {
0046         return false;
0047     }
0048     return m_eventTypes.first() == XCB_GE_GENERIC;
0049 }
0050
0051 }