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71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
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/*************************************************************************************
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* Copyright (C) 2013 by Dan Vrátil <dvratil@redhat.com> *
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* Copyright (C) 2013 by Dario Freddi <drf@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
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*************************************************************************************/
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#include "xrandrx11helper.h"
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#include <QX11Info>
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#include <KSystemEventFilter>
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#include <kdebug.h>
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XRandRX11Helper::XRandRX11Helper():
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QWidget()
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{
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XRRQueryVersion (QX11Info::display(), &m_versionMajor, &m_versionMinor);
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XRRQueryExtension(QX11Info::display(), &m_randrBase, &m_randrError);
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m_window = XCreateSimpleWindow(QX11Info::display(),
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XRootWindow(QX11Info::display(), DefaultScreen(QX11Info::display()))
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, 0, 0, 1, 1, 0, 0, 0 );
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XRRSelectInput(QX11Info::display(), m_window, RROutputPropertyNotifyMask);
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KSystemEventFilter::installEventFilter(this);
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}
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XRandRX11Helper::~XRandRX11Helper()
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{
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KSystemEventFilter::removeEventFilter(this);
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XDestroyWindow(QX11Info::display(), m_window);
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}
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bool XRandRX11Helper::x11Event(XEvent *event)
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{
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XRRNotifyEvent* e2 = reinterpret_cast< XRRNotifyEvent* >(event);
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if (event->xany.type != m_randrBase + RRNotify) {
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return false;
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}
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if (e2->subtype == RRNotify_OutputProperty) {
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XRROutputPropertyNotifyEvent* e2 = reinterpret_cast< XRROutputPropertyNotifyEvent* >(event);
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char *atomName = XGetAtomName(QX11Info::display(), e2->property);
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if (QString(atomName) == RR_PROPERTY_BACKLIGHT) {
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Q_EMIT brightnessChanged();
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}
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XFree(atomName);
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}
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return false;
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}
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#include "xrandrx11helper.moc"
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