/******************************************************************** Copyright 2014 Martin Gräßlin This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) version 3, or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 6 of version 3 of the license. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library. If not, see . *********************************************************************/ #include "output_interface.h" #include "display.h" #include namespace KWayland { namespace Server { static const quint32 s_version = 2; OutputInterface::OutputInterface(Display *display, QObject *parent) : QObject(parent) , m_display(display) , m_output(nullptr) , m_physicalSize(QSize()) , m_globalPosition(QPoint()) , m_manufacturer(QStringLiteral("org.kde.kwin")) , m_model(QStringLiteral("none")) , m_scale(1) , m_subPixel(SubPixel::Unknown) , m_transform(Transform::Normal) { connect(this, &OutputInterface::currentModeChanged, this, [this] { auto currentModeIt = std::find_if(m_modes.constBegin(), m_modes.constEnd(), [](const Mode &mode) { return mode.flags.testFlag(ModeFlag::Current); }); if (currentModeIt == m_modes.constEnd()) { return; } for (auto it = m_resources.constBegin(); it != m_resources.constEnd(); ++it) { sendMode((*it).resource, *currentModeIt); sendDone(*it); } } ); connect(this, &OutputInterface::subPixelChanged, this, &OutputInterface::updateGeometry); connect(this, &OutputInterface::transformChanged, this, &OutputInterface::updateGeometry); connect(this, &OutputInterface::globalPositionChanged, this, &OutputInterface::updateGeometry); connect(this, &OutputInterface::modelChanged, this, &OutputInterface::updateGeometry); connect(this, &OutputInterface::manufacturerChanged, this, &OutputInterface::updateGeometry); connect(this, &OutputInterface::scaleChanged, this, &OutputInterface::updateScale); } OutputInterface::~OutputInterface() { destroy(); } void OutputInterface::create() { Q_ASSERT(!m_output); m_output = wl_global_create(*m_display, &wl_output_interface, s_version, this, OutputInterface::bind); } void OutputInterface::destroy() { if (!m_output) { return; } wl_global_destroy(m_output); m_output = nullptr; } QSize OutputInterface::pixelSize() const { auto it = std::find_if(m_modes.begin(), m_modes.end(), [](const Mode &mode) { return mode.flags.testFlag(ModeFlag::Current); } ); if (it == m_modes.end()) { return QSize(); } return (*it).size; } int OutputInterface::refreshRate() const { auto it = std::find_if(m_modes.begin(), m_modes.end(), [](const Mode &mode) { return mode.flags.testFlag(ModeFlag::Current); } ); if (it == m_modes.end()) { return 60000; } return (*it).refreshRate; } void OutputInterface::addMode(const QSize &size, OutputInterface::ModeFlags flags, int refreshRate) { Q_ASSERT(!isValid()); auto currentModeIt = std::find_if(m_modes.begin(), m_modes.end(), [](const Mode &mode) { return mode.flags.testFlag(ModeFlag::Current); } ); if (currentModeIt == m_modes.end() && !flags.testFlag(ModeFlag::Current)) { // no mode with current flag - enforce flags |= ModeFlag::Current; } if (currentModeIt != m_modes.end() && flags.testFlag(ModeFlag::Current)) { // another mode has the current flag - remove (*currentModeIt).flags &= ~uint(ModeFlag::Current); } if (flags.testFlag(ModeFlag::Preferred)) { // remove from existing Preferred mode auto preferredIt = std::find_if(m_modes.begin(), m_modes.end(), [](const Mode &mode) { return mode.flags.testFlag(ModeFlag::Preferred); } ); if (preferredIt != m_modes.end()) { (*preferredIt).flags &= ~uint(ModeFlag::Preferred); } } auto existingModeIt = std::find_if(m_modes.begin(), m_modes.end(), [size,refreshRate](const Mode &mode) { return mode.size == size && mode.refreshRate == refreshRate; } ); auto emitChanges = [this,flags,size,refreshRate] { emit modesChanged(); if (flags.testFlag(ModeFlag::Current)) { emit refreshRateChanged(refreshRate); emit pixelSizeChanged(size); emit currentModeChanged(); } }; if (existingModeIt != m_modes.end()) { if ((*existingModeIt).flags == flags) { // nothing to do return; } (*existingModeIt).flags = flags; emitChanges(); return; } Mode mode; mode.size = size; mode.refreshRate = refreshRate; mode.flags = flags; m_modes << mode; emitChanges(); } void OutputInterface::setCurrentMode(const QSize &size, int refreshRate) { auto currentModeIt = std::find_if(m_modes.begin(), m_modes.end(), [](const Mode &mode) { return mode.flags.testFlag(ModeFlag::Current); } ); if (currentModeIt != m_modes.end()) { // another mode has the current flag - remove (*currentModeIt).flags &= ~uint(ModeFlag::Current); } auto existingModeIt = std::find_if(m_modes.begin(), m_modes.end(), [size,refreshRate](const Mode &mode) { return mode.size == size && mode.refreshRate == refreshRate; } ); Q_ASSERT(existingModeIt != m_modes.end()); (*existingModeIt).flags |= ModeFlag::Current; emit modesChanged(); emit refreshRateChanged((*existingModeIt).refreshRate); emit pixelSizeChanged((*existingModeIt).size); emit currentModeChanged(); } void OutputInterface::bind(wl_client *client, void *data, uint32_t version, uint32_t id) { OutputInterface *output = reinterpret_cast(data); output->bind(client, version, id); } int32_t OutputInterface::toTransform() const { switch (m_transform) { case Transform::Normal: return WL_OUTPUT_TRANSFORM_NORMAL; case Transform::Rotated90: return WL_OUTPUT_TRANSFORM_90; case Transform::Rotated180: return WL_OUTPUT_TRANSFORM_180; case Transform::Rotated270: return WL_OUTPUT_TRANSFORM_270; case Transform::Flipped: return WL_OUTPUT_TRANSFORM_FLIPPED; case Transform::Flipped90: return WL_OUTPUT_TRANSFORM_FLIPPED_90; case Transform::Flipped180: return WL_OUTPUT_TRANSFORM_FLIPPED_180; case Transform::Flipped270: return WL_OUTPUT_TRANSFORM_FLIPPED_270; } abort(); } int32_t OutputInterface::toSubPixel() const { switch (m_subPixel) { case SubPixel::Unknown: return WL_OUTPUT_SUBPIXEL_UNKNOWN; case SubPixel::None: return WL_OUTPUT_SUBPIXEL_NONE; case SubPixel::HorizontalRGB: return WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB; case SubPixel::HorizontalBGR: return WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR; case SubPixel::VerticalRGB: return WL_OUTPUT_SUBPIXEL_VERTICAL_RGB; case SubPixel::VerticalBGR: return WL_OUTPUT_SUBPIXEL_VERTICAL_BGR; } abort(); } void OutputInterface::bind(wl_client *client, uint32_t version, uint32_t id) { wl_resource *resource = wl_resource_create(client, &wl_output_interface, qMin(version, s_version), id); if (!resource) { wl_client_post_no_memory(client); return; } wl_resource_set_user_data(resource, this); wl_resource_set_destructor(resource, OutputInterface::unbind); ResourceData r; r.resource = resource; r.version = version; m_resources << r; sendGeometry(resource); sendScale(r); auto currentModeIt = m_modes.constEnd(); for (auto it = m_modes.constBegin(); it != m_modes.constEnd(); ++it) { const Mode &mode = *it; if (mode.flags.testFlag(ModeFlag::Current)) { // needs to be sent as last mode currentModeIt = it; continue; } sendMode(resource, mode); } if (currentModeIt != m_modes.constEnd()) { sendMode(resource, *currentModeIt); } sendDone(r); } void OutputInterface::unbind(wl_resource *resource) { OutputInterface *o = reinterpret_cast(wl_resource_get_user_data(resource)); auto it = std::find_if(o->m_resources.begin(), o->m_resources.end(), [resource](const ResourceData &r) { return r.resource == resource; }); if (it != o->m_resources.end()) { o->m_resources.erase(it); } } void OutputInterface::sendMode(wl_resource *resource, const Mode &mode) { int32_t flags = 0; if (mode.flags.testFlag(ModeFlag::Current)) { flags |= WL_OUTPUT_MODE_CURRENT; } if (mode.flags.testFlag(ModeFlag::Preferred)) { flags |= WL_OUTPUT_MODE_PREFERRED; } wl_output_send_mode(resource, flags, mode.size.width(), mode.size.height(), mode.refreshRate); } void OutputInterface::sendGeometry(wl_resource *resource) { wl_output_send_geometry(resource, m_globalPosition.x(), m_globalPosition.y(), m_physicalSize.width(), m_physicalSize.height(), toSubPixel(), qPrintable(m_manufacturer), qPrintable(m_model), toTransform()); } void OutputInterface::sendScale(const OutputInterface::ResourceData &data) { if (data.version < 2) { return; } wl_output_send_scale(data.resource, m_scale); } void OutputInterface::sendDone(const OutputInterface::ResourceData &data) { if (data.version < 2) { return; } wl_output_send_done(data.resource); } void OutputInterface::updateGeometry() { for (auto it = m_resources.constBegin(); it != m_resources.constEnd(); ++it) { sendGeometry((*it).resource); sendDone(*it); } } void OutputInterface::updateScale() { for (auto it = m_resources.constBegin(); it != m_resources.constEnd(); ++it) { sendScale(*it); sendDone(*it); } } #define SETTER(setterName, type, argumentName) \ void OutputInterface::setterName(type arg) \ { \ if (m_##argumentName == arg) { \ return; \ } \ m_##argumentName = arg; \ emit argumentName##Changed(m_##argumentName); \ } SETTER(setPhysicalSize, const QSize&, physicalSize) SETTER(setGlobalPosition, const QPoint&, globalPosition) SETTER(setManufacturer, const QString&, manufacturer) SETTER(setModel, const QString&, model) SETTER(setScale, int, scale) SETTER(setSubPixel, SubPixel, subPixel) SETTER(setTransform, Transform, transform) #undef SETTER } }