357 lines
11 KiB
C++
357 lines
11 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
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SPDX-FileCopyrightText: 2020 David Edmundson <davidedmundson@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "abstract_wayland_output.h"
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#include "screens.h"
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#include "wayland_server.h"
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// KWayland
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#include <KWaylandServer/display.h>
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#include <KWaylandServer/outputchangeset.h>
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#include <KWaylandServer/xdgoutput_v1_interface.h>
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// KF5
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#include <KLocalizedString>
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#include <QMatrix4x4>
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#include <cmath>
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namespace KWin
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{
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AbstractWaylandOutput::AbstractWaylandOutput(QObject *parent)
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: AbstractOutput(parent)
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{
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m_waylandOutput = waylandServer()->display()->createOutput(this);
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m_waylandOutputDevice = waylandServer()->display()->createOutputDevice(this);
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m_xdgOutputV1 = waylandServer()->xdgOutputManagerV1()->createXdgOutput(m_waylandOutput, this);
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connect(m_waylandOutput, &KWaylandServer::OutputInterface::dpmsModeRequested, this,
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[this] (KWaylandServer::OutputInterface::DpmsMode mode) {
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updateDpms(mode);
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});
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connect(m_waylandOutput, &KWaylandServer::OutputInterface::globalPositionChanged, this, &AbstractWaylandOutput::geometryChanged);
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connect(m_waylandOutput, &KWaylandServer::OutputInterface::pixelSizeChanged, this, &AbstractWaylandOutput::geometryChanged);
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connect(m_waylandOutput, &KWaylandServer::OutputInterface::scaleChanged, this, &AbstractWaylandOutput::geometryChanged);
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}
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AbstractWaylandOutput::~AbstractWaylandOutput()
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{
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}
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QString AbstractWaylandOutput::name() const
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{
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return m_name;
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}
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QByteArray AbstractWaylandOutput::uuid() const
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{
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return m_waylandOutputDevice->uuid();
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}
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QRect AbstractWaylandOutput::geometry() const
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{
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return QRect(globalPos(), pixelSize() / scale());
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}
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QSize AbstractWaylandOutput::physicalSize() const
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{
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return orientateSize(m_waylandOutputDevice->physicalSize());
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}
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int AbstractWaylandOutput::refreshRate() const
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{
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return m_waylandOutputDevice->refreshRate();
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}
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QPoint AbstractWaylandOutput::globalPos() const
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{
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return m_waylandOutputDevice->globalPosition();
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}
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void AbstractWaylandOutput::setGlobalPos(const QPoint &pos)
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{
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m_waylandOutputDevice->setGlobalPosition(pos);
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m_waylandOutput->setGlobalPosition(pos);
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m_xdgOutputV1->setLogicalPosition(pos);
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m_xdgOutputV1->done();
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}
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QSize AbstractWaylandOutput::modeSize() const
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{
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return m_waylandOutputDevice->pixelSize();
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}
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QSize AbstractWaylandOutput::pixelSize() const
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{
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return orientateSize(m_waylandOutputDevice->pixelSize());
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}
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qreal AbstractWaylandOutput::scale() const
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{
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return m_waylandOutputDevice->scaleF();
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}
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void AbstractWaylandOutput::setScale(qreal scale)
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{
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m_waylandOutputDevice->setScaleF(scale);
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// this is the scale that clients will ideally use for their buffers
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// this has to be an int which is fine
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// I don't know whether we want to round or ceil
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// or maybe even set this to 3 when we're scaling to 1.5
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// don't treat this like it's chosen deliberately
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m_waylandOutput->setScale(std::ceil(scale));
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m_xdgOutputV1->setLogicalSize(pixelSize() / scale);
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m_xdgOutputV1->done();
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}
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using DeviceInterface = KWaylandServer::OutputDeviceInterface;
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KWaylandServer::OutputInterface::Transform toOutputTransform(DeviceInterface::Transform transform)
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{
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using Transform = DeviceInterface::Transform;
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using OutputTransform = KWaylandServer::OutputInterface::Transform;
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switch (transform) {
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case Transform::Rotated90:
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return OutputTransform::Rotated90;
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case Transform::Rotated180:
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return OutputTransform::Rotated180;
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case Transform::Rotated270:
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return OutputTransform::Rotated270;
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case Transform::Flipped:
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return OutputTransform::Flipped;
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case Transform::Flipped90:
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return OutputTransform::Flipped90;
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case Transform::Flipped180:
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return OutputTransform::Flipped180;
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case Transform::Flipped270:
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return OutputTransform::Flipped270;
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default:
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return OutputTransform::Normal;
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}
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}
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void AbstractWaylandOutput::setTransform(DeviceInterface::Transform transform)
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{
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m_waylandOutputDevice->setTransform(transform);
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m_waylandOutput->setTransform(toOutputTransform(transform));
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m_xdgOutputV1->setLogicalSize(pixelSize() / scale());
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m_xdgOutputV1->done();
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}
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inline
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AbstractWaylandOutput::Transform toTransform(DeviceInterface::Transform deviceTransform)
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{
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return static_cast<AbstractWaylandOutput::Transform>(deviceTransform);
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}
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inline
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DeviceInterface::Transform toDeviceTransform(AbstractWaylandOutput::Transform transform)
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{
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return static_cast<DeviceInterface::Transform>(transform);
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}
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void AbstractWaylandOutput::applyChanges(const KWaylandServer::OutputChangeSet *changeSet)
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{
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qCDebug(KWIN_CORE) << "Apply changes to the Wayland output.";
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bool emitModeChanged = false;
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bool overallSizeCheckNeeded = false;
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// Enablement changes are handled by platform.
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if (changeSet->modeChanged()) {
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qCDebug(KWIN_CORE) << "Setting new mode:" << changeSet->mode();
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m_waylandOutputDevice->setCurrentMode(changeSet->mode());
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updateMode(changeSet->mode());
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emitModeChanged = true;
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}
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if (changeSet->transformChanged()) {
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qCDebug(KWIN_CORE) << "Server setting transform: " << (int)(changeSet->transform());
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setTransform(changeSet->transform());
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updateTransform(toTransform(changeSet->transform()));
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emitModeChanged = true;
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}
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if (changeSet->positionChanged()) {
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qCDebug(KWIN_CORE) << "Server setting position: " << changeSet->position();
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setGlobalPos(changeSet->position());
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// may just work already!
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overallSizeCheckNeeded = true;
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}
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if (changeSet->scaleChanged()) {
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qCDebug(KWIN_CORE) << "Setting scale:" << changeSet->scaleF();
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setScale(changeSet->scaleF());
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emitModeChanged = true;
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}
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overallSizeCheckNeeded |= emitModeChanged;
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if (overallSizeCheckNeeded) {
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emit screens()->changed();
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}
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if (emitModeChanged) {
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emit modeChanged();
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}
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}
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bool AbstractWaylandOutput::isEnabled() const
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{
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return m_waylandOutputDevice->enabled() == DeviceInterface::Enablement::Enabled;
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}
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void AbstractWaylandOutput::setEnabled(bool enable)
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{
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if (enable == isEnabled()) {
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return;
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}
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if (enable) {
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m_waylandOutputDevice->setEnabled(DeviceInterface::Enablement::Enabled);
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m_waylandOutput->create();
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updateEnablement(true);
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} else {
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m_waylandOutputDevice->setEnabled(DeviceInterface::Enablement::Disabled);
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m_waylandOutput->destroy();
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// xdg-output is destroyed in KWayland on wl_output going away.
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updateEnablement(false);
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}
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}
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QString AbstractWaylandOutput::description() const
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{
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return QStringLiteral("%1 %2").arg(m_waylandOutputDevice->manufacturer()).arg(
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m_waylandOutputDevice->model());
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}
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void AbstractWaylandOutput::setWaylandMode(const QSize &size, int refreshRate)
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{
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m_waylandOutput->setCurrentMode(size, refreshRate);
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m_xdgOutputV1->setLogicalSize(pixelSize() / scale());
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m_xdgOutputV1->done();
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}
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void AbstractWaylandOutput::initInterfaces(const QString &model, const QString &manufacturer,
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const QByteArray &uuid, const QSize &physicalSize,
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const QVector<DeviceInterface::Mode> &modes)
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{
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m_waylandOutputDevice->setUuid(uuid);
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if (!manufacturer.isEmpty()) {
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m_waylandOutputDevice->setManufacturer(manufacturer);
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} else {
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m_waylandOutputDevice->setManufacturer(i18n("unknown"));
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}
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m_waylandOutputDevice->setModel(model);
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m_waylandOutputDevice->setPhysicalSize(physicalSize);
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m_waylandOutput->setManufacturer(m_waylandOutputDevice->manufacturer());
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m_waylandOutput->setModel(m_waylandOutputDevice->model());
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m_waylandOutput->setPhysicalSize(m_waylandOutputDevice->physicalSize());
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int i = 0;
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for (auto mode : modes) {
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qCDebug(KWIN_CORE).nospace() << "Adding mode " << ++i << ": " << mode.size << " [" << mode.refreshRate << "]";
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m_waylandOutputDevice->addMode(mode);
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KWaylandServer::OutputInterface::ModeFlags flags;
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if (mode.flags & DeviceInterface::ModeFlag::Current) {
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flags |= KWaylandServer::OutputInterface::ModeFlag::Current;
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}
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if (mode.flags & DeviceInterface::ModeFlag::Preferred) {
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flags |= KWaylandServer::OutputInterface::ModeFlag::Preferred;
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}
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m_waylandOutput->addMode(mode.size, flags, mode.refreshRate);
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}
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m_waylandOutputDevice->create();
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// start off enabled
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m_waylandOutput->create();
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m_xdgOutputV1->setName(name());
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m_xdgOutputV1->setDescription(description());
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m_xdgOutputV1->setLogicalSize(pixelSize() / scale());
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m_xdgOutputV1->done();
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}
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QSize AbstractWaylandOutput::orientateSize(const QSize &size) const
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{
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using Transform = DeviceInterface::Transform;
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const Transform transform = m_waylandOutputDevice->transform();
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if (transform == Transform::Rotated90 || transform == Transform::Rotated270 ||
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transform == Transform::Flipped90 || transform == Transform::Flipped270) {
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return size.transposed();
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}
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return size;
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}
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void AbstractWaylandOutput::setTransform(Transform transform)
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{
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const auto deviceTransform = toDeviceTransform(transform);
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if (deviceTransform == m_waylandOutputDevice->transform()) {
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return;
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}
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setTransform(deviceTransform);
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emit modeChanged();
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}
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AbstractWaylandOutput::Transform AbstractWaylandOutput::transform() const
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{
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return static_cast<Transform>(m_waylandOutputDevice->transform());
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}
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// TODO: Do we need to handle the flipped cases differently?
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int transformToRotation(AbstractWaylandOutput::Transform transform)
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{
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switch (transform) {
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case AbstractWaylandOutput::Transform::Normal:
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case AbstractWaylandOutput::Transform::Flipped:
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return 0;
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case AbstractWaylandOutput::Transform::Rotated90:
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case AbstractWaylandOutput::Transform::Flipped90:
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return 90;
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case AbstractWaylandOutput::Transform::Rotated180:
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case AbstractWaylandOutput::Transform::Flipped180:
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return 180;
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case AbstractWaylandOutput::Transform::Rotated270:
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case AbstractWaylandOutput::Transform::Flipped270:
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return 270;
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}
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Q_UNREACHABLE();
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return 0;
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}
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int AbstractWaylandOutput::rotation() const
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{
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return transformToRotation(transform());
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}
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QMatrix4x4 AbstractWaylandOutput::transformation() const
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{
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const QSize outputSize = modeSize();
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const QSize logicalSize = pixelSize();
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QMatrix4x4 matrix;
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matrix.translate(outputSize.width()/2, outputSize.height()/2);
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matrix.rotate(rotation(), 0, 0, 1);
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matrix.translate(-logicalSize.width()/2, -logicalSize.height()/2);
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matrix.scale(scale());
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const QPoint topLeft = -globalPos();
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matrix.translate(-topLeft.x(), -topLeft.y());
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return matrix;
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}
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}
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