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127 lines
4.1 KiB
C++
127 lines
4.1 KiB
C++
/***************************************************************************
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* Copyright (C) 2021 by Reion Wong <reion@cutefishos.com> *
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* Copyright (C) 2010 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 modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (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 *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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#include "dimdisplayaction.h"
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#include <QSettings>
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#include <QTimer>
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#include <QDBusPendingCall>
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#include <QX11Info>
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#include <QProcess>
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#include <QDebug>
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#include <X11/Xlib.h>
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#include <xcb/dpms.h>
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DimDisplayAction::DimDisplayAction(QObject *parent)
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: Action(parent)
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, m_iface("com.cutefish.Settings",
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"/Brightness",
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"com.cutefish.Brightness", QDBusConnection::sessionBus())
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{
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if (QX11Info::isPlatformX11()) {
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// Disable a default timeout, if any
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xcb_dpms_set_timeouts(QX11Info::connection(), 0, 0, 0);
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XSetScreenSaver(QX11Info::display(), 0, 0, 0, 0);
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}
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}
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void DimDisplayAction::onWakeupFromIdle()
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{
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if (!m_dimmed) {
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return;
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}
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if (m_oldScreenBrightness < 0)
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m_oldScreenBrightness = 1;
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// An active inhibition may not let us restore the brightness.
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// We should wait a bit screen to wake-up from sleep
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QTimer::singleShot(0, this, [this]() {
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m_iface.asyncCall("setValue", QVariant::fromValue(m_oldScreenBrightness));
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});
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m_dimmed = false;
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}
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void DimDisplayAction::onIdleTimeout(int msec)
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{
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int sec = msec / 1000;
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if (m_iface.property("brightness").toInt() == 0)
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return;
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if (sec == m_dimOnIdleTime) {
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m_iface.asyncCall("setValue", QVariant::fromValue(0));
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// Sleep
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if (m_sleep) {
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QDBusInterface iface("com.cutefish.Session",
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"/Session",
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"com.cutefish.Session", QDBusConnection::sessionBus());
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if (iface.isValid()) {
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iface.call("suspend");
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}
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}
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if (m_lock) {
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QProcess::startDetached("cutefish-screenlocker", QStringList());
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}
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} else if (sec == (m_dimOnIdleTime * 3 / 4)) {
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const int newBrightness = qRound(m_oldScreenBrightness / 8.0);
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m_iface.asyncCall("setValue", QVariant::fromValue(newBrightness));
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} else if (sec == (m_dimOnIdleTime * 1 / 2)) {
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m_oldScreenBrightness = m_iface.property("brightness").toInt();
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const int newBrightness = qRound(m_oldScreenBrightness / 2.0);
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m_iface.asyncCall("setValue", QVariant::fromValue(newBrightness));
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}
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m_dimmed = true;
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}
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void DimDisplayAction::setTimeout(int timeout)
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{
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unregisterIdleTimeout();
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if (timeout < 0) {
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m_dimOnIdleTime = timeout;
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return;
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}
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m_dimOnIdleTime = timeout;
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registerIdleTimeout(m_dimOnIdleTime * 3 / 4);
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registerIdleTimeout(m_dimOnIdleTime / 2);
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registerIdleTimeout(m_dimOnIdleTime);
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}
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void DimDisplayAction::setSleep(bool sleep)
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{
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m_sleep = sleep;
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}
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void DimDisplayAction::setLock(bool lock)
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{
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m_lock = lock;
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}
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