You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
core/powerman/dimdisplayaction.cpp

127 lines
4.1 KiB
C++

/***************************************************************************
* Copyright (C) 2021 by Reion Wong <reion@cutefishos.com> *
* Copyright (C) 2010 by Dario Freddi <drf@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "dimdisplayaction.h"
#include <QSettings>
#include <QTimer>
#include <QDBusPendingCall>
#include <QX11Info>
#include <QProcess>
#include <QDebug>
#include <X11/Xlib.h>
#include <xcb/dpms.h>
DimDisplayAction::DimDisplayAction(QObject *parent)
: Action(parent)
, m_iface("com.cutefish.Settings",
"/Brightness",
"com.cutefish.Brightness", QDBusConnection::sessionBus())
{
if (QX11Info::isPlatformX11()) {
// Disable a default timeout, if any
xcb_dpms_set_timeouts(QX11Info::connection(), 0, 0, 0);
XSetScreenSaver(QX11Info::display(), 0, 0, 0, 0);
}
}
void DimDisplayAction::onWakeupFromIdle()
{
if (!m_dimmed) {
return;
}
if (m_oldScreenBrightness < 0)
m_oldScreenBrightness = 1;
// An active inhibition may not let us restore the brightness.
// We should wait a bit screen to wake-up from sleep
QTimer::singleShot(0, this, [this]() {
m_iface.asyncCall("setValue", QVariant::fromValue(m_oldScreenBrightness));
});
m_dimmed = false;
}
void DimDisplayAction::onIdleTimeout(int msec)
{
int sec = msec / 1000;
if (m_iface.property("brightness").toInt() == 0)
return;
if (sec == m_dimOnIdleTime) {
m_iface.asyncCall("setValue", QVariant::fromValue(0));
// Sleep
if (m_sleep) {
QDBusInterface iface("com.cutefish.Session",
"/Session",
"com.cutefish.Session", QDBusConnection::sessionBus());
if (iface.isValid()) {
iface.call("suspend");
}
}
if (m_lock) {
QProcess::startDetached("cutefish-screenlocker", QStringList());
}
} else if (sec == (m_dimOnIdleTime * 3 / 4)) {
const int newBrightness = qRound(m_oldScreenBrightness / 8.0);
m_iface.asyncCall("setValue", QVariant::fromValue(newBrightness));
} else if (sec == (m_dimOnIdleTime * 1 / 2)) {
m_oldScreenBrightness = m_iface.property("brightness").toInt();
const int newBrightness = qRound(m_oldScreenBrightness / 2.0);
m_iface.asyncCall("setValue", QVariant::fromValue(newBrightness));
}
m_dimmed = true;
}
void DimDisplayAction::setTimeout(int timeout)
{
unregisterIdleTimeout();
if (timeout < 0) {
m_dimOnIdleTime = timeout;
return;
}
m_dimOnIdleTime = timeout;
registerIdleTimeout(m_dimOnIdleTime * 3 / 4);
registerIdleTimeout(m_dimOnIdleTime / 2);
registerIdleTimeout(m_dimOnIdleTime);
}
void DimDisplayAction::setSleep(bool sleep)
{
m_sleep = sleep;
}
void DimDisplayAction::setLock(bool lock)
{
m_lock = lock;
}