src/libdpms/dpms.cpp

0001 // SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org
0002 //
0003 // SPDX-License-Identifier: LGPL-2.1-or-later
0004
0005 #include "dpms.h"
0006 #include "kscreendpms_debug.h"
0007 #include "waylanddpmshelper_p.h"
0008 #include "xcbdpmshelper_p.h"
0009
0010 #include <QGuiApplication>
0011 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
0012 #include <private/qtx11extras_p.h>
0013 #else
0014 #include <QX11Info>
0015 #endif
0016
0017 KScreen::Dpms::Dpms(QObject *parent)
0018     : QObject(parent)
0019 {
0020     if (QX11Info::isPlatformX11()) {
0021         m_helper.reset(new XcbDpmsHelper);
0022     } else if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive)) {
0023         m_helper.reset(new WaylandDpmsHelper);
0024     } else {
0025         qCWarning(KSCREEN_DPMS) << "dpms unsupported on this system";
0026         return;
0027     }
0028
0029     connect(m_helper.data(), &AbstractDpmsHelper::supportedChanged, this, &Dpms::supportedChanged);
0030     connect(m_helper.data(), &AbstractDpmsHelper::modeChanged, this, &Dpms::modeChanged);
0031     connect(m_helper.data(), &AbstractDpmsHelper::hasPendingChangesChanged, this, &Dpms::hasPendingChangesChanged);
0032 }
0033
0034 KScreen::Dpms::~Dpms()
0035 {
0036 }
0037
0038 void KScreen::Dpms::switchMode(KScreen::Dpms::Mode mode, const QList<QScreen *> &screens)
0039 {
0040     m_helper->trigger(mode, screens.isEmpty() ? qGuiApp->screens() : screens);
0041 }
0042
0043 bool KScreen::Dpms::isSupported() const
0044 {
0045     return m_helper->isSupported();
0046 }
0047
0048 bool KScreen::Dpms::hasPendingChanges() const
0049 {
0050     return m_helper->hasPendingChanges();
0051 }