diff --git a/kded/generator.cpp b/kded/generator.cpp index 5a5a857..5e2be5f 100644 --- a/kded/generator.cpp +++ b/kded/generator.cpp @@ -1,668 +1,676 @@ /************************************************************************************* * Copyright (C) 2012 by Alejandro Fiestas Olivares * * * * 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 "generator.h" #include "device.h" #include "debug.h" #include #include #include #include #include #include #if defined(QT_NO_DEBUG) #define ASSERT_OUTPUTS(outputs) #else #define ASSERT_OUTPUTS(outputs) \ while(true) { \ Q_ASSERT(!outputs.isEmpty()); \ Q_FOREACH (const KScreen::OutputPtr &output, outputs) { \ Q_ASSERT(output); \ Q_ASSERT(output->isConnected()); \ } break; \ } #endif Generator* Generator::instance = 0; bool operator<(const QSize &s1, const QSize &s2) { return s1.width() * s1.height() < s2.width() * s2.height(); } Generator* Generator::self() { if (!Generator::instance) { Generator::instance = new Generator(); } return Generator::instance; } Generator::Generator() : QObject() , m_forceLaptop(false) , m_forceLidClosed(false) , m_forceNotLaptop(false) , m_forceDocked(false) { connect(Device::self(), &Device::ready, this, &Generator::ready); } void Generator::destroy() { delete Generator::instance; Generator::instance = 0; } Generator::~Generator() { } void Generator::setCurrentConfig(const KScreen::ConfigPtr ¤tConfig) { m_currentConfig = currentConfig; } KScreen::ConfigPtr Generator::idealConfig(const KScreen::ConfigPtr ¤tConfig) { Q_ASSERT(currentConfig); // KDebug::Block idealBlock("Ideal Config"); KScreen::ConfigPtr config = currentConfig->clone(); disableAllDisconnectedOutputs(config->outputs()); KScreen::OutputList connectedOutputs = config->connectedOutputs(); qCDebug(KSCREEN_KDED) << "Connected outputs: " << connectedOutputs.count(); if (connectedOutputs.isEmpty()) { return config; } + //the scale will generally be independent no matter where the output is + //scale will affect geometry, so do this first + if (config->supportedFeatures().testFlag(KScreen::Config::Feature::PerOutputScaling)) { + for(auto output: qAsConst(connectedOutputs)) { + output->setScale(bestScaleForOutput(output)); + } + } + if (connectedOutputs.count() == 1) { singleOutput(connectedOutputs); return config; } if (isLaptop()) { laptop(connectedOutputs); return fallbackIfNeeded(config); } qCDebug(KSCREEN_KDED) << "Extend to Right"; extendToRight(connectedOutputs); return fallbackIfNeeded(config); } KScreen::ConfigPtr Generator::fallbackIfNeeded(const KScreen::ConfigPtr &config) { qCDebug(KSCREEN_KDED) << "fallbackIfNeeded()"; KScreen::ConfigPtr newConfig; //If the ideal config can't be applied, try clonning if (!KScreen::Config::canBeApplied(config)) { if (isLaptop()) { newConfig = displaySwitch(Generator::Clone); // Try to clone at our best } else { newConfig = config; KScreen::OutputList connectedOutputs = config->connectedOutputs(); if (connectedOutputs.isEmpty()) { return config; } connectedOutputs.value(connectedOutputs.keys().first())->setPrimary(true); cloneScreens(connectedOutputs); } } else { newConfig = config; } //If after trying to clone at our best, we fail... return current if (!KScreen::Config::canBeApplied(newConfig)) { qCDebug(KSCREEN_KDED) << "Config cannot be applied"; newConfig = config; } return config; } KScreen::ConfigPtr Generator::displaySwitch(DisplaySwitchAction action) { // KDebug::Block switchBlock("Display Switch"); KScreen::ConfigPtr config = m_currentConfig; Q_ASSERT(config); KScreen::OutputList connectedOutputs = config->connectedOutputs(); //the scale will generally be independent no matter where the output is //scale will affect geometry, so do this first if (config->supportedFeatures().testFlag(KScreen::Config::Feature::PerOutputScaling)) { for(auto output: qAsConst(connectedOutputs)) { output->setScale(bestScaleForOutput(output)); } } // There's not much else we can do with only one output if (connectedOutputs.count() < 2) { singleOutput(connectedOutputs); return config; } // We cannot try all possible combinations with two and more outputs if (connectedOutputs.count() > 2) { extendToRight(connectedOutputs); return config; } KScreen::OutputPtr embedded, external; embedded = embeddedOutput(connectedOutputs); // If we don't have an embedded output (desktop with two external screens // for instance), then pretend one of them is embedded if (!embedded) { embedded = connectedOutputs.value(connectedOutputs.keys().first()); } // Just to be sure if (embedded->modes().isEmpty()) { return config; } if (action == Generator::Clone) { qCDebug(KSCREEN_KDED) << "Cloning"; embedded->setPrimary(true); cloneScreens(connectedOutputs); return config; } connectedOutputs.remove(embedded->id()); external = connectedOutputs.value(connectedOutputs.keys().first()); // Just to be sure if (external->modes().isEmpty()) { return config; } switch (action) { case Generator::ExtendToLeft: { qCDebug(KSCREEN_KDED) << "Extend to left"; external->setPos(QPoint(0,0)); external->setEnabled(true); const KScreen::ModePtr extMode = bestModeForOutput(external); Q_ASSERT(extMode); external->setCurrentModeId(extMode->id()); Q_ASSERT(external->currentMode()); // we must have a mode now const QSize size = external->geometry().size(); embedded->setPos(QPoint(size.width(), 0)); embedded->setEnabled(true); embedded->setPrimary(true); const KScreen::ModePtr embeddedMode = bestModeForOutput(embedded); Q_ASSERT(embeddedMode); embedded->setCurrentModeId(embeddedMode->id()); return config; } case Generator::TurnOffEmbedded: { qCDebug(KSCREEN_KDED) << "Turn off embedded (laptop)"; embedded->setEnabled(false); embedded->setPrimary(false); external->setEnabled(true); external->setPrimary(true); const KScreen::ModePtr extMode = bestModeForOutput(external); Q_ASSERT(extMode); external->setCurrentModeId(extMode->id()); return config; } case Generator::TurnOffExternal: { qCDebug(KSCREEN_KDED) << "Turn off external screen"; embedded->setPos(QPoint(0,0)); embedded->setEnabled(true); embedded->setPrimary(true); const KScreen::ModePtr embeddedMode = bestModeForOutput(embedded); Q_ASSERT(embeddedMode); embedded->setCurrentModeId(embeddedMode->id()); external->setEnabled(false); external->setPrimary(false); return config; } case Generator::ExtendToRight: { qCDebug(KSCREEN_KDED) << "Extend to the right"; embedded->setPos(QPoint(0,0)); embedded->setEnabled(true); embedded->setPrimary(true); const KScreen::ModePtr embeddedMode = bestModeForOutput(embedded); Q_ASSERT(embeddedMode); embedded->setCurrentModeId(embeddedMode->id()); Q_ASSERT(embedded->currentMode()); // we must have a mode now const QSize size = embedded->geometry().size(); external->setPos(QPoint(size.width(), 0)); external->setEnabled(true); external->setPrimary(false); const KScreen::ModePtr extMode = bestModeForOutput(external); Q_ASSERT(extMode); external->setCurrentModeId(extMode->id()); return config; } case Generator::None: // just return config case Generator::Clone: // handled above break; } // switch return config; } uint qHash(const QSize &size) { return size.width() * size.height(); } void Generator::cloneScreens(KScreen::OutputList &connectedOutputs) { ASSERT_OUTPUTS(connectedOutputs); if (connectedOutputs.isEmpty()) { return; } QSet commonSizes; const QSize maxScreenSize = m_currentConfig->screen()->maxSize(); QList> modes; Q_FOREACH(const KScreen::OutputPtr &output, connectedOutputs) { QSet modeSizes; Q_FOREACH(const KScreen::ModePtr &mode, output->modes()) { const QSize size = mode->size(); if (size.width() > maxScreenSize.width() || size.height() > maxScreenSize.height()) { continue; } modeSizes.insert(mode->size()); } //If we have nothing to compare against if (commonSizes.isEmpty()) { commonSizes = modeSizes; continue; } commonSizes.intersect(modeSizes); } qCDebug(KSCREEN_KDED) << "Common sizes: " << commonSizes; //fallback to biggestMode if no commonSizes have been found if (commonSizes.isEmpty()) { Q_FOREACH(KScreen::OutputPtr output, connectedOutputs) { if (output->modes().isEmpty()) { continue; } output->setEnabled(true); output->setPos(QPoint(0, 0)); const KScreen::ModePtr mode = biggestMode(output->modes()); Q_ASSERT(mode); output->setCurrentModeId(mode->id()); } return; } //At this point, we know we have common sizes, let's get the biggest on QList commonSizeList = commonSizes.toList(); qSort(commonSizeList.begin(), commonSizeList.end()); const QSize biggestSize = commonSizeList.last(); //Finally, look for the mode with biggestSize and biggest refreshRate and set it qCDebug(KSCREEN_KDED) << "Biggest Size: " << biggestSize; KScreen::ModePtr bestMode; Q_FOREACH(KScreen::OutputPtr output, connectedOutputs) { if (output->modes().isEmpty()) { continue; } bestMode = bestModeForSize(output->modes(), biggestSize); Q_ASSERT(bestMode); // we resolved this mode previously, so it better works output->setEnabled(true); output->setPos(QPoint(0, 0)); output->setCurrentModeId(bestMode->id()); } } void Generator::singleOutput(KScreen::OutputList &connectedOutputs) { ASSERT_OUTPUTS(connectedOutputs); if (connectedOutputs.isEmpty()) { return; } KScreen::OutputPtr output = connectedOutputs.take(connectedOutputs.keys().first()); if (output->modes().isEmpty()) { return; } const KScreen::ModePtr bestMode = bestModeForOutput(output); Q_ASSERT(bestMode); output->setCurrentModeId(bestMode->id()); output->setEnabled(true); output->setPrimary(true); output->setPos(QPoint(0,0)); } void Generator::laptop(KScreen::OutputList &connectedOutputs) { ASSERT_OUTPUTS(connectedOutputs) if (connectedOutputs.isEmpty()) { return; } // KDebug::Block laptopBlock("Laptop config"); KScreen::OutputPtr embedded = embeddedOutput(connectedOutputs); /* Apparently older laptops use "VGA-*" as embedded output ID, so embeddedOutput() * will fail, because it looks only for modern "LVDS", "EDP", etc. If we * fail to detect which output is embedded, just use the one with the lowest * ID. It's a wild guess, but I think it's highly probable that it will work. * See bug #318907 for further reference. -- dvratil */ if (!embedded) { QList keys = connectedOutputs.keys(); qSort(keys); embedded = connectedOutputs.value(keys.first()); } connectedOutputs.remove(embedded->id()); if (connectedOutputs.isEmpty() || embedded->modes().isEmpty()) { qCWarning(KSCREEN_KDED) << "No external outputs found, going for singleOutput()"; connectedOutputs.insert(embedded->id(), embedded); return singleOutput(connectedOutputs); } if (isLidClosed() && connectedOutputs.count() == 1) { qCDebug(KSCREEN_KDED) << "With lid closed"; embedded->setEnabled(false); embedded->setPrimary(false); KScreen::OutputPtr external = connectedOutputs.value(connectedOutputs.keys().first()); if (external->modes().isEmpty()) { return; } external->setEnabled(true); external->setPrimary(true); const KScreen::ModePtr bestMode = bestModeForOutput(external); Q_ASSERT(bestMode); external->setCurrentModeId(bestMode->id()); external->setPos(QPoint(0, 0)); return; } if (isLidClosed() && connectedOutputs.count() > 1) { qCDebug(KSCREEN_KDED) << "Lid is closed, and more than one output"; embedded->setEnabled(false); embedded->setPrimary(false); extendToRight(connectedOutputs); return; } qCDebug(KSCREEN_KDED) << "Lid is open"; //If lid is open, laptop screen shuold be primary embedded->setPos(QPoint(0,0)); embedded->setPrimary(true); embedded->setEnabled(true); const KScreen::ModePtr embeddedMode = bestModeForOutput(embedded); Q_ASSERT(embeddedMode); embedded->setCurrentModeId(embeddedMode->id()); int globalWidth = embedded->geometry().width(); KScreen::OutputPtr biggest = biggestOutput(connectedOutputs); Q_ASSERT(biggest); connectedOutputs.remove(biggest->id()); biggest->setPos(QPoint(globalWidth, 0)); biggest->setEnabled(true); biggest->setPrimary(false); const KScreen::ModePtr mode = bestModeForOutput(biggest); biggest->setCurrentModeId(mode->id()); globalWidth += biggest->geometry().width(); Q_FOREACH(KScreen::OutputPtr output, connectedOutputs) { output->setEnabled(true); output->setPrimary(false); output->setPos(QPoint(globalWidth, 0)); const KScreen::ModePtr mode = bestModeForOutput(output); Q_ASSERT(mode); output->setCurrentModeId(mode->id()); globalWidth += output->geometry().width(); } if (isDocked()) { qCDebug(KSCREEN_KDED) << "Docked"; embedded->setPrimary(false); biggest->setPrimary(true); } } void Generator::extendToRight(KScreen::OutputList &connectedOutputs) { ASSERT_OUTPUTS(connectedOutputs); if (connectedOutputs.isEmpty()) { return; } qCDebug(KSCREEN_KDED) << "Extending to the right"; KScreen::OutputPtr biggest = biggestOutput(connectedOutputs); Q_ASSERT(biggest); connectedOutputs.remove(biggest->id()); biggest->setEnabled(true); biggest->setPrimary(true); biggest->setPos(QPoint(0,0)); const KScreen::ModePtr mode = bestModeForOutput(biggest); Q_ASSERT(mode); biggest->setCurrentModeId(mode->id()); int globalWidth = biggest->geometry().width(); Q_FOREACH(KScreen::OutputPtr output, connectedOutputs) { output->setEnabled(true); output->setPrimary(false); output->setPos(QPoint(globalWidth, 0)); const KScreen::ModePtr mode = bestModeForOutput(output); Q_ASSERT(mode); output->setCurrentModeId(mode->id()); globalWidth += output->geometry().width(); } } KScreen::ModePtr Generator::biggestMode(const KScreen::ModeList &modes) { Q_ASSERT(!modes.isEmpty()); int modeArea, biggestArea = 0; KScreen::ModePtr biggestMode; Q_FOREACH(const KScreen::ModePtr &mode, modes) { modeArea = mode->size().width() * mode->size().height(); if (modeArea < biggestArea) { continue; } if (modeArea == biggestArea && mode->refreshRate() < biggestMode->refreshRate()) { continue; } if (modeArea == biggestArea && mode->refreshRate() > biggestMode->refreshRate()) { biggestMode = mode; continue; } biggestArea = modeArea; biggestMode = mode; } return biggestMode; } KScreen::ModePtr Generator::bestModeForSize(const KScreen::ModeList &modes, const QSize &size) { KScreen::ModePtr bestMode; Q_FOREACH(const KScreen::ModePtr &mode, modes) { if (mode->size() != size) { continue; } if (!bestMode) { bestMode = mode; continue; } if (mode->refreshRate() > bestMode->refreshRate()) { bestMode = mode; } } return bestMode; } qreal Generator::bestScaleForOutput(const KScreen::OutputPtr &output) { const auto mode = bestModeForOutput(output); const qreal dpi = mode->size().height() / (output->sizeMm().height() / 25.4); //if reported DPI is closer to two times normal DPI, followed by a sanity check of having the sort of vertical resolution //you'd find in a high res screen if (dpi > 96 * 1.5 && mode->size().height() >= 1440) { return 2.0; } return 1.0; } KScreen::ModePtr Generator::bestModeForOutput(const KScreen::OutputPtr &output) { if (output->preferredMode()) { return output->preferredMode(); } return biggestMode(output->modes()); } KScreen::OutputPtr Generator::biggestOutput(const KScreen::OutputList &outputs) { ASSERT_OUTPUTS(outputs) int area, total = 0; KScreen::OutputPtr biggest; Q_FOREACH(const KScreen::OutputPtr &output, outputs) { const KScreen::ModePtr mode = bestModeForOutput(output); if (!mode) { continue; } area = mode->size().width() * mode->size().height(); if (area <= total) { continue; } total = area; biggest = output; } return biggest; } void Generator::disableAllDisconnectedOutputs(const KScreen::OutputList &outputs) { // KDebug::Block disableBlock("Disabling disconnected screens"); Q_FOREACH(KScreen::OutputPtr output, outputs) { if (!output->isConnected()) { qCDebug(KSCREEN_KDED) << output->name() << " Disabled"; output->setEnabled(false); output->setPrimary(false); } } } KScreen::OutputPtr Generator::embeddedOutput(const KScreen::OutputList &outputs) { Q_FOREACH(const KScreen::OutputPtr &output, outputs) { if (output->type() != KScreen::Output::Panel) { continue; } return output; } return KScreen::OutputPtr(); } bool Generator::isLaptop() { if (m_forceLaptop) { return true; } if (m_forceNotLaptop) { return false; } return Device::self()->isLaptop(); } bool Generator::isLidClosed() { if (m_forceLidClosed) { return true; } if (m_forceNotLaptop) { return false; } return Device::self()->isLidClosed(); } bool Generator::isDocked() { if (m_forceDocked) { return true; } return Device::self()->isDocked(); } void Generator::setForceLaptop(bool force) { m_forceLaptop = force; } void Generator::setForceLidClosed(bool force) { m_forceLidClosed = force; } void Generator::setForceDocked(bool force) { m_forceDocked = force; } void Generator::setForceNotLaptop(bool force) { m_forceNotLaptop = force; }