File indexing completed on 2024-04-14 14:32:50
0001 /*************************************************************************** 0002 * Copyright (C) 2012-2016 by Daniel Nicoletti <dantti12@gmail.com> * 0003 * Copyright (C) 2015 Lukáš Tinkl <ltinkl@redhat.com> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU General Public License as published by * 0007 * the Free Software Foundation; either version 2 of the License, or * 0008 * (at your option) any later version. * 0009 * * 0010 * This program is distributed in the hope that it will be useful, * 0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0013 * GNU General Public License for more details. * 0014 * * 0015 * You should have received a copy of the GNU General Public License * 0016 * along with this program; see the file COPYING. If not, write to * 0017 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * 0018 * Boston, MA 02110-1301, USA. * 0019 ***************************************************************************/ 0020 0021 #include "XEventHandler.h" 0022 0023 #include <QCoreApplication> 0024 0025 #include <xcb/randr.h> 0026 0027 XEventHandler::XEventHandler(int randrBase) 0028 : m_randrBase(randrBase) 0029 { 0030 qApp->installNativeEventFilter(this); 0031 } 0032 0033 bool XEventHandler::nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result) 0034 { 0035 Q_UNUSED(result); 0036 if (eventType != "xcb_generic_event_t") { 0037 // only interested in XCB events 0038 return false; 0039 } 0040 auto e = static_cast<xcb_generic_event_t *>(message); 0041 auto xEventType = e->response_type & ~0x80; 0042 0043 if (xEventType == m_randrBase + XCB_RANDR_SCREEN_CHANGE_NOTIFY) { 0044 emit outputChanged(); 0045 } 0046 0047 return false; 0048 } 0049 0050 #include "moc_XEventHandler.cpp"