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plasma-workspace/shell/shellcorona.cpp

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/*
* Copyright 2008 Aaron Seigo <aseigo@kde.org>
* Copyright 2013 Sebastian Kügler <sebas@kde.org>
* Copyright 2013 Ivan Cukic <ivan.cukic@kde.org>
* Copyright 2013 Marco Martin <mart@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, 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 Library 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 "shellcorona.h"
#include <config-plasma.h>
#include <QApplication>
#include <QDebug>
#include <QMenu>
#include <QQmlContext>
#include <QDBusConnection>
#include <QUrl>
#include <QJsonObject>
#include <QJsonDocument>
#include <kactioncollection.h>
#include <klocalizedstring.h>
#include <Plasma/Package>
#include <Plasma/PluginLoader>
#include <PlasmaQuick/Dialog>
#include <kactivities/controller.h>
#include <kactivities/consumer.h>
#include <ksycoca.h>
#include <KGlobalAccel>
#include <KAuthorized>
#include <KWindowSystem>
#include <kdeclarative/kdeclarative.h>
#include <kdeclarative/qmlobjectsharedengine.h>
#include <KMessageBox>
#include <kdirwatch.h>
#include <KPackage/PackageLoader>
#include <KWayland/Client/connection_thread.h>
#include <KWayland/Client/registry.h>
#include <KWayland/Client/plasmashell.h>
#include "config-ktexteditor.h" // HAVE_KTEXTEDITOR
#include "alternativeshelper.h"
#include "desktopview.h"
#include "panelview.h"
#include "scripting/scriptengine.h"
#include "shellmanager.h"
#include "osd.h"
#include "screenpool.h"
#include "plasmashelladaptor.h"
#include "debug.h"
#include "futureutil.h"
#ifndef NDEBUG
#define CHECK_SCREEN_INVARIANTS screenInvariants();
#else
#define CHECK_SCREEN_INVARIANTS
#endif
#if HAVE_X11
#include <NETWM>
#include <QX11Info>
#include <xcb/xcb.h>
#endif
static const int s_configSyncDelay = 10000; // 10 seconds
ShellCorona::ShellCorona(QObject *parent)
: Plasma::Corona(parent),
m_config(KSharedConfig::openConfig(QStringLiteral("plasmarc"))),
m_screenPool(new ScreenPool(KSharedConfig::openConfig(), this)),
m_activityController(new KActivities::Controller(this)),
m_addPanelAction(nullptr),
m_addPanelsMenu(nullptr),
m_interactiveConsole(nullptr),
m_waylandPlasmaShell(nullptr),
m_closingDown(false)
{
setupWaylandIntegration();
qmlRegisterUncreatableType<DesktopView>("org.kde.plasma.shell", 2, 0, "Desktop", QStringLiteral("It is not possible to create objects of type Desktop"));
qmlRegisterUncreatableType<PanelView>("org.kde.plasma.shell", 2, 0, "Panel", QStringLiteral("It is not possible to create objects of type Panel"));
m_lookAndFeelPackage = KPackage::PackageLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
KConfigGroup cg(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), "KDE");
const QString packageName = cg.readEntry("LookAndFeelPackage", QString());
if (!packageName.isEmpty()) {
m_lookAndFeelPackage.setPath(packageName);
}
connect(this, &Plasma::Corona::containmentCreated, this, [this] (Plasma::Containment *c) {
executeSetupPlasmoidScript(c, c);
});
connect(this, &Plasma::Corona::availableScreenRectChanged, this, &Plasma::Corona::availableScreenRegionChanged);
m_appConfigSyncTimer.setSingleShot(true);
m_appConfigSyncTimer.setInterval(s_configSyncDelay);
connect(&m_appConfigSyncTimer, &QTimer::timeout, this, &ShellCorona::syncAppConfig);
//we want our application config with screen mapping to always be in sync with the applets one, so a crash at any time will still
//leave containments pointing to the correct screens
connect(this, &Corona::configSynced, this, &ShellCorona::syncAppConfig);
m_waitingPanelsTimer.setSingleShot(true);
m_waitingPanelsTimer.setInterval(250);
connect(&m_waitingPanelsTimer, &QTimer::timeout, this, &ShellCorona::createWaitingPanels);
m_reconsiderOutputsTimer.setSingleShot(true);
m_reconsiderOutputsTimer.setInterval(1000);
connect(&m_reconsiderOutputsTimer, &QTimer::timeout, this, &ShellCorona::reconsiderOutputs);
m_desktopDefaultsConfig = KConfigGroup(KSharedConfig::openConfig(package().filePath("defaults")), "Desktop");
m_lnfDefaultsConfig = KConfigGroup(KSharedConfig::openConfig(m_lookAndFeelPackage.filePath("defaults")), "Desktop");
m_lnfDefaultsConfig = KConfigGroup(&m_lnfDefaultsConfig, QStringLiteral("org.kde.plasma.desktop"));
new PlasmaShellAdaptor(this);
QDBusConnection dbus = QDBusConnection::sessionBus();
dbus.registerObject(QStringLiteral("/PlasmaShell"), this);
connect(this, &Plasma::Corona::startupCompleted, this,
[]() {
qDebug() << "Plasma Shell startup completed";
QDBusMessage ksplashProgressMessage = QDBusMessage::createMethodCall(QStringLiteral("org.kde.KSplash"),
QStringLiteral("/KSplash"),
QStringLiteral("org.kde.KSplash"),
QStringLiteral("setStage"));
ksplashProgressMessage.setArguments(QList<QVariant>() << QStringLiteral("desktop"));
QDBusConnection::sessionBus().asyncCall(ksplashProgressMessage);
//TODO: remove
});
// Look for theme config in plasmarc, if it isn't configured, take the theme from the
// LookAndFeel package, if either is set, change the default theme
connect(qApp, &QCoreApplication::aboutToQuit, this, [this]() {
//saveLayout is a slot but arguments not compatible
m_closingDown = true;
saveLayout();
});
connect(this, &ShellCorona::containmentAdded,
this, &ShellCorona::handleContainmentAdded);
QAction *dashboardAction = actions()->addAction(QStringLiteral("show dashboard"));
QObject::connect(dashboardAction, &QAction::triggered,
this, &ShellCorona::setDashboardShown);
dashboardAction->setText(i18n("Show Desktop"));
connect(KWindowSystem::self(), &KWindowSystem::showingDesktopChanged, [dashboardAction](bool showing) {
dashboardAction->setText(showing ? i18n("Hide Desktop") : i18n("Show Desktop"));
dashboardAction->setChecked(showing);
});
dashboardAction->setAutoRepeat(true);
dashboardAction->setCheckable(true);
dashboardAction->setIcon(QIcon::fromTheme(QStringLiteral("dashboard-show")));
dashboardAction->setData(Plasma::Types::ControlAction);
KGlobalAccel::self()->setGlobalShortcut(dashboardAction, Qt::CTRL + Qt::Key_F12);
checkAddPanelAction();
connect(KSycoca::self(), SIGNAL(databaseChanged(QStringList)), this, SLOT(checkAddPanelAction(QStringList)));
//Activity stuff
QAction *activityAction = actions()->addAction(QStringLiteral("manage activities"));
connect(activityAction, &QAction::triggered,
this, &ShellCorona::toggleActivityManager);
activityAction->setText(i18n("Activities..."));
activityAction->setIcon(QIcon::fromTheme(QStringLiteral("preferences-activities")));
activityAction->setData(Plasma::Types::ConfigureAction);
activityAction->setShortcut(QKeySequence(QStringLiteral("alt+d, alt+a")));
activityAction->setShortcutContext(Qt::ApplicationShortcut);
KGlobalAccel::self()->setGlobalShortcut(activityAction, Qt::META + Qt::Key_Q);
QAction *stopActivityAction = actions()->addAction(QStringLiteral("stop current activity"));
QObject::connect(stopActivityAction, &QAction::triggered,
this, &ShellCorona::stopCurrentActivity);
stopActivityAction->setText(i18n("Stop Current Activity"));
stopActivityAction->setData(Plasma::Types::ControlAction);
stopActivityAction->setVisible(false);
KGlobalAccel::self()->setGlobalShortcut(stopActivityAction, Qt::META + Qt::Key_S);
connect(m_activityController, &KActivities::Controller::currentActivityChanged, this, &ShellCorona::currentActivityChanged);
connect(m_activityController, &KActivities::Controller::activityAdded, this, &ShellCorona::activityAdded);
connect(m_activityController, &KActivities::Controller::activityRemoved, this, &ShellCorona::activityRemoved);
KActionCollection *taskbarActions = new KActionCollection(this);
for (int i = 0; i < 10; ++i) {
const int entryNumber = i + 1;
const Qt::Key key = static_cast<Qt::Key>(Qt::Key_0 + (entryNumber % 10));
QAction *action = taskbarActions->addAction(QStringLiteral("activate task manager entry %1").arg(QString::number(entryNumber)));
action->setText(i18n("Activate Task Manager Entry %1", entryNumber));
KGlobalAccel::setGlobalShortcut(action, QKeySequence(Qt::META + key));
connect(action, &QAction::triggered, this, [this, i] {
activateTaskManagerEntry(i);
});
}
new Osd(m_config, this);
// catch when plasmarc changes, so we e.g. enable/disable the OSd
m_configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1Char('/') + m_config->name();
KDirWatch::self()->addFile(m_configPath);
connect(KDirWatch::self(), &KDirWatch::dirty, this, &ShellCorona::configurationChanged);
connect(KDirWatch::self(), &KDirWatch::created, this, &ShellCorona::configurationChanged);
}
ShellCorona::~ShellCorona()
{
while (!containments().isEmpty()) {
//deleting a containment will remove it from the list due to QObject::destroyed connect in Corona
delete containments().first();
}
qDeleteAll(m_panelViews);
m_panelViews.clear();
}
KPackage::Package ShellCorona::lookAndFeelPackage()
{
return m_lookAndFeelPackage;
}
void ShellCorona::setShell(const QString &shell)
{
if (m_shell == shell) {
return;
}
m_shell = shell;
KPackage::Package package = KPackage::PackageLoader::self()->loadPackage(QStringLiteral("Plasma/Shell"));
package.setPath(shell);
package.setAllowExternalPaths(true);
setKPackage(package);
m_desktopDefaultsConfig = KConfigGroup(KSharedConfig::openConfig(package.filePath("defaults")), "Desktop");
m_lnfDefaultsConfig = KConfigGroup(KSharedConfig::openConfig(m_lookAndFeelPackage.filePath("defaults")), "Desktop");
m_lnfDefaultsConfig = KConfigGroup(&m_lnfDefaultsConfig, shell);
const QString themeGroupKey = QStringLiteral("Theme");
const QString themeNameKey = QStringLiteral("name");
QString themeName;
KConfigGroup plasmarc(m_config, themeGroupKey);
themeName = plasmarc.readEntry(themeNameKey, themeName);
if (themeName.isEmpty()) {
KConfigGroup shellCfg = KConfigGroup(KSharedConfig::openConfig(package.filePath("defaults")), "Theme");
themeName = shellCfg.readEntry("name", "default");
KConfigGroup lnfCfg = KConfigGroup(KSharedConfig::openConfig(
m_lookAndFeelPackage.filePath("defaults")),
"plasmarc"
);
lnfCfg = KConfigGroup(&lnfCfg, themeGroupKey);
themeName = lnfCfg.readEntry(themeNameKey, themeName);
}
if (!themeName.isEmpty()) {
Plasma::Theme *t = new Plasma::Theme(this);
t->setThemeName(themeName);
}
//FIXME: this would change the runtime platform to a fixed one if available
// but a different way to load platform specific components is needed beforehand
// because if we import and use two different components plugin, the second time
// the import is called it will fail
/* KConfigGroup cg(KSharedConfig::openConfig(package.filePath("defaults")), "General");
KDeclarative::KDeclarative::setRuntimePlatform(cg.readEntry("DefaultRuntimePlatform", QStringList()));*/
unload();
/*
* we want to make an initial load once we have the initial screen config and we have loaded the activities _IF_ KAMD is running
* it is valid for KAMD to not be running.
*
* Potentially 2 async jobs
*
* here we connect for status changes from KAMD, and fetch the first config from kscreen.
* load() will check that we have a kscreen config, and m_activityController->serviceStatus() is not loading (i.e not unknown)
*
* It might seem that we only need this connection if the activityConsumer is currently in state Unknown, however
* there is an issue where m_activityController will start the kactivitymanagerd, as KAMD is starting the serviceStatus will be "not running"
* Whilst we are loading the kscreen config, the event loop runs and we might find KAMD has started.
* m_activityController will change from "not running" to unknown, and might still be unknown when the kscreen fetching is complete.
*
* if that happens we want to continue monitoring for state changes, and only finally load when it is up.
*
* See https://bugs.kde.org/show_bug.cgi?id=342431 be careful about changing
*
* The unique connection makes sure we don't reload plasma if KAMD ever crashes and reloads, the signal is disconnected in the body of load
*/
connect(m_activityController, &KActivities::Controller::serviceStatusChanged, this, &ShellCorona::load, Qt::UniqueConnection);
load();
}
QJsonObject dumpconfigGroupJS(const KConfigGroup &rootGroup)
{
QJsonObject result;
QStringList hierarchy;
QStringList escapedHierarchy;
QList<KConfigGroup> groups{rootGroup};
QSet<QString> visitedNodes;
const QSet<QString> forbiddenKeys {
QStringLiteral("activityId"),
QStringLiteral("ItemsGeometries"),
QStringLiteral("AppletOrder"),
QStringLiteral("SystrayContainmentId"),
QStringLiteral("location"),
QStringLiteral("plugin")
};
auto groupID = [&escapedHierarchy]() {
return '/' + escapedHierarchy.join('/');
};
// Perform a depth-first tree traversal for config groups
while (!groups.isEmpty()) {
KConfigGroup cg = groups.last();
KConfigGroup parentCg = cg;
//FIXME: name is not enough
hierarchy.clear();
escapedHierarchy.clear();
while (parentCg.isValid() && parentCg.name() != rootGroup.name()) {
const auto name = parentCg.name();
hierarchy.prepend(name);
escapedHierarchy.prepend(QString::fromUtf8(QUrl::toPercentEncoding(name.toUtf8())));
parentCg = parentCg.parent();
}
visitedNodes.insert(groupID());
groups.pop_back();
QJsonObject configGroupJson;
if (!cg.keyList().isEmpty()) {
//TODO: this is conditional if applet or containment
const auto map = cg.entryMap();
auto i = map.cbegin();
for (; i != map.cend(); ++i) {
//some blacklisted keys we don't want to save
if (!forbiddenKeys.contains(i.key())) {
configGroupJson.insert(i.key(), i.value());
}
}
}
foreach (const QString &groupName, cg.groupList()) {
if (groupName == QStringLiteral("Applets") ||
visitedNodes.contains(groupID() + '/' + groupName)) {
continue;
}
groups << KConfigGroup(&cg, groupName);
}
if (!configGroupJson.isEmpty()) {
result.insert(groupID(), configGroupJson);
}
}
return result;
}
QByteArray ShellCorona::dumpCurrentLayoutJS() const
{
QJsonObject root;
root.insert("serializationFormatVersion", "1");
//same gridUnit calculation as ScriptEngine
int gridUnit = QFontMetrics(QGuiApplication::font()).boundingRect(QStringLiteral("M")).height();
if (gridUnit % 2 != 0) {
gridUnit++;
}
auto isPanel = [] (Plasma::Containment *cont) {
return
(cont->formFactor() == Plasma::Types::Horizontal
|| cont->formFactor() == Plasma::Types::Vertical) &&
(cont->location() == Plasma::Types::TopEdge
|| cont->location() == Plasma::Types::BottomEdge
|| cont->location() == Plasma::Types::LeftEdge
|| cont->location() == Plasma::Types::RightEdge) &&
cont->pluginMetaData().pluginId() != QStringLiteral("org.kde.plasma.private.systemtray");
};
auto isDesktop = [] (Plasma::Containment *cont) {
return !cont->activity().isEmpty();
};
const auto containments = ShellCorona::containments();
// Collecting panels
QJsonArray panelsJsonArray;
foreach (Plasma::Containment *cont, containments) {
if (!isPanel(cont)) {
continue;
}
QJsonObject panelJson;
const PanelView *view = m_panelViews.value(cont);
const auto location = cont->location();
panelJson.insert("location",
location == Plasma::Types::TopEdge ? "top"
: location == Plasma::Types::LeftEdge ? "left"
: location == Plasma::Types::RightEdge ? "right"
: /* Plasma::Types::BottomEdge */ "bottom");
const qreal height =
// If we do not have a panel, fallback to 4 units
!view ? 4
: (qreal)view->thickness() / gridUnit;
panelJson.insert("height", height);
if (view) {
const auto alignment = view->alignment();
panelJson.insert("maximumLength", (qreal)view->maximumLength() / gridUnit);
panelJson.insert("minimumLength", (qreal)view->minimumLength() / gridUnit);
panelJson.insert("offset", (qreal)view->offset() / gridUnit);
panelJson.insert("alignment",
alignment == Qt::AlignRight ? "right"
: alignment == Qt::AlignCenter ? "center"
: "left");
switch (view->visibilityMode()) {
case PanelView::AutoHide:
panelJson.insert("hiding", "autohide");
break;
case PanelView::LetWindowsCover:
panelJson.insert("hiding", "windowscover");
break;
case PanelView::WindowsGoBelow:
panelJson.insert("hiding", "windowsbelow");
break;
case PanelView::NormalPanel:
default:
panelJson.insert("hiding", "normal");
break;
}
}
// Saving the config keys
const KConfigGroup contConfig = cont->config();
panelJson.insert("config", dumpconfigGroupJS(contConfig));
// Generate the applets array
QJsonArray appletsJsonArray;
// Try to parse the encoded applets order
const KConfigGroup genericConf(&contConfig, QStringLiteral("General"));
const QStringList appletsOrderStrings =
genericConf.readEntry(QStringLiteral("AppletOrder"), QString())
.split(QChar(';'));
// Consider the applet order to be valid only if there are as many entries as applets()
if (appletsOrderStrings.length() == cont->applets().length()) {
foreach (const QString &appletId, appletsOrderStrings) {
KConfigGroup appletConfig(&contConfig, QStringLiteral("Applets"));
appletConfig = KConfigGroup(&appletConfig, appletId);
const QString pluginName =
appletConfig.readEntry(QStringLiteral("plugin"), QString());
if (pluginName.isEmpty()) {
continue;
}
QJsonObject appletJson;
appletJson.insert("plugin", pluginName);
appletJson.insert("config", dumpconfigGroupJS(appletConfig));
appletsJsonArray << appletJson;
}
} else {
foreach (Plasma::Applet *applet, cont->applets()) {
QJsonObject appletJson;
KConfigGroup appletConfig = applet->config();
appletJson.insert("plugin", applet->pluginMetaData().pluginId());
appletJson.insert("config", dumpconfigGroupJS(appletConfig));
appletsJsonArray << appletJson;
}
}
panelJson.insert("applets", appletsJsonArray);
panelsJsonArray << panelJson;
}
root.insert("panels", panelsJsonArray);
// Now we are collecting desktops
QJsonArray desktopsJson;
const auto currentActivity = m_activityController->currentActivity();
foreach (Plasma::Containment *cont, containments) {
if (!isDesktop(cont) || cont->activity() != currentActivity) {
continue;
}
QJsonObject desktopJson;
desktopJson.insert("wallpaperPlugin", cont->wallpaper());
// Get the config for the containment
KConfigGroup contConfig = cont->config();
desktopJson.insert("config", dumpconfigGroupJS(contConfig));
// Try to parse the item geometries
const KConfigGroup genericConf(&contConfig, QStringLiteral("General"));
const QStringList appletsGeomStrings =
genericConf.readEntry(QStringLiteral("ItemsGeometries"), QString())
.split(QChar(';'));
QHash<QString, QRect> appletGeometries;
foreach (const QString &encoded, appletsGeomStrings) {
const QStringList keyValue = encoded.split(QChar(':'));
if (keyValue.length() != 2) {
continue;
}
const QStringList rectPieces = keyValue.last().split(QChar(','));
if (rectPieces.length() != 5) {
continue;
}
QRect rect(rectPieces[0].toInt(), rectPieces[1].toInt(),
rectPieces[2].toInt(), rectPieces[3].toInt());
appletGeometries[keyValue.first()] = rect;
}
QJsonArray appletsJsonArray;
foreach (Plasma::Applet *applet, cont->applets()) {
const QRect geometry = appletGeometries.value(
QStringLiteral("Applet-") % QString::number(applet->id()));
QJsonObject appletJson;
appletJson.insert("title", applet->title());
appletJson.insert("plugin", applet->pluginMetaData().pluginId());
appletJson.insert("geometry.x", geometry.x() / gridUnit);
appletJson.insert("geometry.y", geometry.y() / gridUnit);
appletJson.insert("geometry.width", geometry.width() / gridUnit);
appletJson.insert("geometry.height", geometry.height() / gridUnit);
KConfigGroup appletConfig = applet->config();
appletJson.insert("config", dumpconfigGroupJS(appletConfig));
appletsJsonArray << appletJson;
}
desktopJson.insert("applets", appletsJsonArray);
desktopsJson << desktopJson;
}
root.insert("desktops", desktopsJson);
QJsonDocument json;
json.setObject(root);
return
"var plasma = getApiVersion(1);\n\n"
"var layout = " + json.toJson() + ";\n\n"
"plasma.loadSerializedLayout(layout);\n";
}
void ShellCorona::loadLookAndFeelDefaultLayout(const QString &packageName)
{
KPackage::Package newPack = m_lookAndFeelPackage;
newPack.setPath(packageName);
if (!newPack.isValid()) {
return;
}
KSharedConfig::Ptr conf = KSharedConfig::openConfig(QStringLiteral("plasma-") + m_shell + QStringLiteral("-appletsrc"), KConfig::SimpleConfig);
m_lookAndFeelPackage.setPath(packageName);
//get rid of old config
for (const QString &group : conf->groupList()) {
conf->deleteGroup(group);
}
conf->sync();
unload();
load();
}
QString ShellCorona::shell() const
{
return m_shell;
}
void ShellCorona::load()
{
if (m_shell.isEmpty() ||
(m_activityController->serviceStatus() != KActivities::Controller::Running &&
!qApp->property("org.kde.KActivities.core.disableAutostart").toBool())) {
return;
}
disconnect(m_activityController, &KActivities::Controller::serviceStatusChanged, this, &ShellCorona::load);
m_screenPool->load();
//TODO: a kconf_update script is needed
QString configFileName(QStringLiteral("plasma-") + m_shell + QStringLiteral("-appletsrc"));
loadLayout(configFileName);
checkActivities();
if (containments().isEmpty()) {
// Seems like we never really get to this point since loadLayout already
// (virtually) calls loadDefaultLayout if it does not load anything
// from the config file. Maybe if the config file is not empty,
// but still does not have any containments
loadDefaultLayout();
processUpdateScripts();
} else {
processUpdateScripts();
foreach(Plasma::Containment *containment, containments()) {
if (containment->containmentType() == Plasma::Types::PanelContainment || containment->containmentType() == Plasma::Types::CustomPanelContainment) {
//Don't give a view to containments that don't want one (negative lastscreen)
//(this is pretty mucha special case for the systray)
//also, make sure we don't have a view already.
//this will be true for first startup as the view has already been created at the new Panel JS call
if (!m_waitingPanels.contains(containment) && containment->lastScreen() >= 0 && !m_panelViews.contains(containment)) {
m_waitingPanels << containment;
}
//historically CustomContainments are treated as desktops
} else if (containment->containmentType() == Plasma::Types::DesktopContainment || containment->containmentType() == Plasma::Types::CustomContainment) {
//FIXME ideally fix this, or at least document the crap out of it
int screen = containment->lastScreen();
if (screen < 0) {
screen = 0;
qWarning() << "last screen is < 0 so putting containment on screen " << screen;
}
insertContainment(containment->activity(), screen, containment);
}
}
}
//NOTE: this is needed in case loadLayout() did *not* call loadDefaultLayout()
//it needs to be after of loadLayout() as it would always create new
//containments on each startup otherwise
for (QScreen* screen : qGuiApp->screens()) {
//the containments may have been created already by the startup script
//check their existence in oder to not have duplicated desktopviews
if (!m_desktopViewforId.contains(m_screenPool->id(screen->name()))) {
addOutput(screen);
}
}
connect(qGuiApp, &QGuiApplication::screenAdded, this, &ShellCorona::addOutput, Qt::UniqueConnection);
connect(qGuiApp, &QGuiApplication::primaryScreenChanged, this, &ShellCorona::primaryOutputChanged, Qt::UniqueConnection);
connect(qGuiApp, &QGuiApplication::screenRemoved, this, &ShellCorona::handleScreenRemoved, Qt::UniqueConnection);
if (!m_waitingPanels.isEmpty()) {
m_waitingPanelsTimer.start();
}
if (config()->isImmutable() ||
!KAuthorized::authorize(QStringLiteral("plasma/plasmashell/unlockedDesktop"))) {
setImmutability(Plasma::Types::SystemImmutable);
} else {
KConfigGroup coronaConfig(config(), "General");
setImmutability((Plasma::Types::ImmutabilityType)coronaConfig.readEntry("immutability", static_cast<int>(Plasma::Types::Mutable)));
}
}
void ShellCorona::primaryOutputChanged()
{
if (!m_desktopViewforId.contains(0)) {
return;
}
//when the appearance of a new primary screen *moves*
//the position of the now secondary, the two screens will appear overlapped for an instant, and a spurious output redundant would happen here if checked immediately
m_reconsiderOutputsTimer.start();
QScreen *oldPrimary = m_desktopViewforId.value(0)->screen();
QScreen *newPrimary = qGuiApp->primaryScreen();
if (!newPrimary || newPrimary == oldPrimary) {
return;
}
qWarning()<<"Old primary output:"<<oldPrimary<<"New primary output:"<<newPrimary;
const int oldIdOfPrimary = m_screenPool->id(newPrimary->name());
m_screenPool->setPrimaryConnector(newPrimary->name());
//swap order in m_desktopViewforId
if (m_desktopViewforId.contains(0) && m_desktopViewforId.contains(oldIdOfPrimary)) {
DesktopView *primaryDesktop = m_desktopViewforId.value(0);
DesktopView *oldDesktopOfPrimary = m_desktopViewforId.value(oldIdOfPrimary);
primaryDesktop->setScreenToFollow(newPrimary);
oldDesktopOfPrimary->setScreenToFollow(oldPrimary);
primaryDesktop->show();
oldDesktopOfPrimary->show();
//corner case: the new primary screen was added into redundant outputs when appeared, *and* !m_desktopViewforId.contains(oldIdOfPrimary)
//meaning that we had only one screen, connected a new oone that
//a) is now primary and
//b) is at 0,0 position, moving the current screen out of the way
// and this will always happen in two events
} else if (m_desktopViewforId.contains(0) && m_redundantOutputs.contains(newPrimary)) {
m_desktopViewforId[0]->setScreenToFollow(newPrimary);
m_redundantOutputs.remove(newPrimary);
m_redundantOutputs.insert(oldPrimary);
}
foreach (PanelView *panel, m_panelViews) {
if (panel->screen() == oldPrimary) {
panel->setScreenToFollow(newPrimary);
} else if (panel->screen() == newPrimary) {
panel->setScreenToFollow(oldPrimary);
}
}
//can't do the screen invariant here as reconsideroutputs wasn't executed yet
//CHECK_SCREEN_INVARIANTS
}
#ifndef NDEBUG
void ShellCorona::screenInvariants() const
{
Q_ASSERT(m_desktopViewforId.keys().count() <= QGuiApplication::screens().count());
QSet<QScreen*> screens;
foreach (const int id, m_desktopViewforId.keys()) {
const DesktopView *view = m_desktopViewforId.value(id);
QScreen *screen = view->screenToFollow();
Q_ASSERT(!screens.contains(screen));
Q_ASSERT(!m_redundantOutputs.contains(screen));
// commented out because a different part of the code-base is responsible for this
// and sometimes is not yet called here.
// Q_ASSERT(!view->fillScreen() || view->geometry() == screen->geometry());
Q_ASSERT(view->containment());
Q_ASSERT(view->containment()->screen() == id || view->containment()->screen() == -1);
Q_ASSERT(view->containment()->lastScreen() == id || view->containment()->lastScreen() == -1);
Q_ASSERT(view->isVisible());
foreach (const PanelView *panel, panelsForScreen(screen)) {
Q_ASSERT(panel->containment());
Q_ASSERT(panel->containment()->screen() == id || panel->containment()->screen() == -1);
//If any kscreen related activities occurred
//during startup, the panel wouldn't be visible yet, and this would assert
if (panel->containment()->isUiReady()) {
Q_ASSERT(panel->isVisible());
}
}
screens.insert(screen);
}
foreach (QScreen* out, m_redundantOutputs) {
Q_ASSERT(isOutputRedundant(out));
}
if (m_desktopViewforId.isEmpty()) {
qWarning() << "no screens!!";
}
}
#endif
void ShellCorona::showAlternativesForApplet(Plasma::Applet *applet)
{
const QUrl alternativesQML = kPackage().fileUrl("appletalternativesui");
if (alternativesQML.isEmpty()) {
return;
}
auto *qmlObj = new KDeclarative::QmlObjectSharedEngine(this);
qmlObj->setInitializationDelayed(true);
qmlObj->setSource(alternativesQML);
AlternativesHelper *helper = new AlternativesHelper(applet, qmlObj);
qmlObj->rootContext()->setContextProperty(QStringLiteral("alternativesHelper"), helper);
qmlObj->completeInitialization();
auto dialog = qobject_cast<PlasmaQuick::Dialog*>(qmlObj->rootObject());
if (!dialog) {
qWarning() << "Alternatives UI does not inherit from Dialog";
delete qmlObj;
return;
}
connect(applet, &Plasma::Applet::destroyedChanged, qmlObj, [qmlObj] (bool destroyed) {
if (!destroyed) {
return;
}
qmlObj->deleteLater();
});
connect(dialog, &PlasmaQuick::Dialog::visibleChanged, qmlObj, [qmlObj](bool visible) {
if (visible) {
return;
}
qmlObj->deleteLater();
});
}
void ShellCorona::unload()
{
if (m_shell.isEmpty()) {
return;
}
qDeleteAll(m_desktopViewforId);
m_desktopViewforId.clear();
qDeleteAll(m_panelViews);
m_panelViews.clear();
m_waitingPanels.clear();
m_activityContainmentPlugins.clear();
while (!containments().isEmpty()) {
//deleting a containment will remove it from the list due to QObject::destroyed connect in Corona
//this form doesn't crash, while qDeleteAll(containments()) does
delete containments().first();
}
}
KSharedConfig::Ptr ShellCorona::applicationConfig()
{
return KSharedConfig::openConfig();
}
void ShellCorona::requestApplicationConfigSync()
{
m_appConfigSyncTimer.start();
}
void ShellCorona::loadDefaultLayout()
{
//pre-startup scripts
QString script = m_lookAndFeelPackage.filePath("layouts", QString(shell() + "-prelayout.js").toLatin1());
if (!script.isEmpty()) {
QFile file(script);
if (file.open(QIODevice::ReadOnly | QIODevice::Text) ) {
QString code = file.readAll();
qDebug() << "evaluating pre-startup script:" << script;
WorkspaceScripting::ScriptEngine scriptEngine(this);
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError, this,
[](const QString &msg) {
qWarning() << msg;
});
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print, this,
[](const QString &msg) {
qDebug() << msg;
});
if (!scriptEngine.evaluateScript(code, script)) {
qWarning() << "failed to initialize layout properly:" << script;
}
}
}
//NOTE: Is important the containments already exist for each screen
// at the moment of the script execution,the same loop in :load()
// is executed too late
for (QScreen* screen : qGuiApp->screens()) {
addOutput(screen);
}
script = ShellManager::s_testModeLayout;
if (script.isEmpty()) {
script = m_lookAndFeelPackage.filePath("layouts", QString(shell() + "-layout.js").toLatin1());
}
if (script.isEmpty()) {
script = package().filePath("defaultlayout");
}
QFile file(script);
if (file.open(QIODevice::ReadOnly | QIODevice::Text) ) {
QString code = file.readAll();
qDebug() << "evaluating startup script:" << script;
// We need to know which activities are here in order for
// the scripting engine to work. activityAdded does not mind
// if we pass it the same activity multiple times
QStringList existingActivities = m_activityController->activities();
foreach (const QString &id, existingActivities) {
activityAdded(id);
}
WorkspaceScripting::ScriptEngine scriptEngine(this);
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError, this,
[](const QString &msg) {
qWarning() << msg;
});
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print, this,
[](const QString &msg) {
qDebug() << msg;
});
if (!scriptEngine.evaluateScript(code, script)) {
qWarning() << "failed to initialize layout properly:" << script;
}
}
Q_EMIT startupCompleted();
}
void ShellCorona::processUpdateScripts()
{
const QStringList scripts = WorkspaceScripting::ScriptEngine::pendingUpdateScripts(this);
if (scripts.isEmpty()) {
return;
}
WorkspaceScripting::ScriptEngine scriptEngine(this);
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError, this,
[](const QString &msg) {
qWarning() << msg;
});
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print, this,
[](const QString &msg) {
qDebug() << msg;
});
for (const QString &script : scripts) {
QFile file(script);
if (file.open(QIODevice::ReadOnly | QIODevice::Text) ) {
QString code = file.readAll();
scriptEngine.evaluateScript(code);
} else {
qWarning() << "Unable to open the script file" << script << "for reading";
}
}
}
int ShellCorona::numScreens() const
{
return qGuiApp->screens().count();
}
QRect ShellCorona::screenGeometry(int id) const
{
if (!m_desktopViewforId.contains(id)) {
qWarning() << "requesting unexisting screen" << id;
QScreen *s = qGuiApp->primaryScreen();
return s ? s->geometry() : QRect();
}
return m_desktopViewforId.value(id)->geometry();
}
QRegion ShellCorona::availableScreenRegion(int id) const
{
if (!m_desktopViewforId.contains(id)) {
//each screen should have a view
qWarning() << "requesting unexisting screen" << id;
QScreen *s = qGuiApp->primaryScreen();
return s ? s->availableGeometry() : QRegion();
}
DesktopView *view = m_desktopViewforId.value(id);
QRegion r = view->geometry();
foreach (const PanelView *v, m_panelViews) {
if (v->isVisible() && view->screen() == v->screen() && v->visibilityMode() != PanelView::AutoHide) {
//if the panel is being moved around, we still want to calculate it from the edge
r -= v->geometryByDistance(0);
}
}
return r;
}
QRect ShellCorona::availableScreenRect(int id) const
{
if (!m_desktopViewforId.contains(id)) {
//each screen should have a view
qWarning() << "requesting unexisting screen" << id;
QScreen *s = qGuiApp->primaryScreen();
return s ? s->availableGeometry() : QRect();
}
DesktopView *view = m_desktopViewforId.value(id);
QRect r = view->geometry();
foreach (PanelView *v, m_panelViews) {
if (v->isVisible() && v->screen() == view->screen() && v->visibilityMode() != PanelView::AutoHide) {
switch (v->location()) {
case Plasma::Types::LeftEdge:
r.setLeft(r.left() + v->thickness());
break;
case Plasma::Types::RightEdge:
r.setRight(r.right() - v->thickness());
break;
case Plasma::Types::TopEdge:
r.setTop(r.top() + v->thickness());
break;
case Plasma::Types::BottomEdge:
r.setBottom(r.bottom() - v->thickness());
default:
break;
}
}
}
return r;
}
QStringList ShellCorona::availableActivities() const
{
return m_activityContainmentPlugins.keys();
}
void ShellCorona::removeDesktop(DesktopView *desktopView)
{
const int idx = m_screenPool->id(desktopView->screenToFollow()->name());
if (!m_desktopViewforId.contains(idx)) {
return;
}
QMutableHashIterator<const Plasma::Containment *, PanelView *> it(m_panelViews);
while (it.hasNext()) {
it.next();
PanelView *panelView = it.value();
if (panelView->containment()->screen() == idx) {
m_waitingPanels << panelView->containment();
it.remove();
delete panelView;
}
}
Q_ASSERT(m_desktopViewforId.value(idx) == desktopView);
m_desktopViewforId.remove(idx);
delete desktopView;
emit screenRemoved(idx);
}
PanelView *ShellCorona::panelView(Plasma::Containment *containment) const
{
return m_panelViews.value(containment);
}
///// SLOTS
QList<PanelView *> ShellCorona::panelsForScreen(QScreen *screen) const
{
QList<PanelView *> ret;
foreach (PanelView *v, m_panelViews) {
if (v->screenToFollow() == screen) {
ret += v;
}
}
return ret;
}
DesktopView* ShellCorona::desktopForScreen(QScreen* screen) const
{
return m_desktopViewforId.value(m_screenPool->id(screen->name()));
}
void ShellCorona::handleScreenRemoved(QScreen* screen)
{
if (DesktopView* v = desktopForScreen(screen)) {
removeDesktop(v);
}
m_reconsiderOutputsTimer.start();
m_redundantOutputs.remove(screen);
}
bool ShellCorona::isOutputRedundant(QScreen* screen) const
{
Q_ASSERT(screen);
const QRect thisGeometry = screen->geometry();
const int thisId = m_screenPool->id(screen->name());
//FIXME: QScreen doesn't have any idea of "this qscreen is clone of this other one
//so this ultra inefficient heuristic has to stay until we have a slightly better api
//logic is:
//a screen is redundant if:
//* its geometry is contained in another one
//* if their resolutions are different, the "biggest" one wins
//* if they have the same geometry, the one with the lowest id wins (arbitrary, but gives reproducible behavior and makes the primary screen win)
foreach (QScreen* s, qGuiApp->screens()) {
//don't compare with itself
if (screen == s) {
continue;
}
const QRect otherGeometry = s->geometry();
const int otherId = m_screenPool->id(s->name());
if (otherGeometry.contains(thisGeometry, false) &&
(//since at this point contains is true, if either
//measure of othergeometry is bigger, has a bigger area
otherGeometry.width() > thisGeometry.width() ||
otherGeometry.height() > thisGeometry.height() ||
//ids not -1 are considered in descending order of importance
//-1 means that is a screen not known yet, just arrived and
//not yet in screenpool: this happens for screens that
//are hotplugged and weren't known. it does NOT happen
//at first startup, as screenpool populates on load with all screens connected at the moment before the rest of the shell starts up
(thisId == -1 && otherId != -1) ||
(thisId > otherId && otherId != -1))) {
return true;
}
}
return false;
}
void ShellCorona::reconsiderOutputs()
{
foreach (QScreen* screen, qGuiApp->screens()) {
if (m_redundantOutputs.contains(screen)) {
if (!isOutputRedundant(screen)) {
//qDebug() << "not redundant anymore" << screen;
addOutput(screen);
}
} else if (isOutputRedundant(screen)) {
qDebug() << "new redundant screen" << screen << "with primary screen" << qGuiApp->primaryScreen();
if (DesktopView* v = desktopForScreen(screen))
removeDesktop(v);
m_redundantOutputs.insert(screen);
}
// else
// qDebug() << "fine screen" << out;
}
updateStruts();
CHECK_SCREEN_INVARIANTS
}
void ShellCorona::addOutput(QScreen* screen)
{
Q_ASSERT(screen);
connect(screen, &QScreen::geometryChanged,
&m_reconsiderOutputsTimer, static_cast<void (QTimer::*)()>(&QTimer::start),
Qt::UniqueConnection);
if (isOutputRedundant(screen)) {
m_redundantOutputs.insert(screen);
return;
} else {
m_redundantOutputs.remove(screen);
}
int insertPosition = m_screenPool->id(screen->name());
if (insertPosition < 0) {
insertPosition = m_screenPool->firstAvailableId();
}
DesktopView *view = new DesktopView(this, screen);
if (view->rendererInterface()->graphicsApi() != QSGRendererInterface::Software) {
connect(view, &QQuickWindow::sceneGraphError, this, &ShellCorona::glInitializationFailed);
}
connect(screen, &QScreen::geometryChanged, this, [=]() {
const int id = m_screenPool->id(screen->name());
if (id >= 0) {
emit screenGeometryChanged(id);
emit availableScreenRegionChanged();
emit availableScreenRectChanged();
}
});
Plasma::Containment *containment = createContainmentForActivity(m_activityController->currentActivity(), insertPosition);
Q_ASSERT(containment);
QAction *removeAction = containment->actions()->action(QStringLiteral("remove"));
if (removeAction) {
removeAction->deleteLater();
}
m_screenPool->insertScreenMapping(insertPosition, screen->name());
m_desktopViewforId[insertPosition] = view;
view->setContainment(containment);
view->show();
Q_ASSERT(screen == view->screen());
//need to specifically call the reactToScreenChange, since when the screen is shown it's not yet
//in the list. We still don't want to have an invisible view added.
containment->reactToScreenChange();
//were there any panels for this screen before it popped up?
if (!m_waitingPanels.isEmpty()) {
m_waitingPanelsTimer.start();
}
emit availableScreenRectChanged();
emit screenAdded(m_screenPool->id(screen->name()));
CHECK_SCREEN_INVARIANTS
}
Plasma::Containment *ShellCorona::createContainmentForActivity(const QString& activity, int screenNum)
{
for (Plasma::Containment *cont : containmentsForActivity(activity)) {
//in the case of a corrupt config file
//with multiple containments with same lastScreen
//it can happen two insertContainment happen for
//the same screen, leading to the old containment
//to be destroyed
if (!cont->destroyed() && cont->screen() == screenNum) {
return cont;
}
}
QString plugin = m_activityContainmentPlugins.value(activity);
if (plugin.isEmpty()) {
plugin = defaultContainmentPlugin();
}
Plasma::Containment *containment = containmentForScreen(screenNum, activity, plugin, QVariantList());
Q_ASSERT(containment);
if (containment) {
insertContainment(activity, screenNum, containment);
}
return containment;
}
void ShellCorona::createWaitingPanels()
{
QList<Plasma::Containment *> stillWaitingPanels;
foreach (Plasma::Containment *cont, m_waitingPanels) {
//ignore non existing (yet?) screens
int requestedScreen = cont->lastScreen();
if (requestedScreen < 0) {
requestedScreen = 0;
}
if (!m_desktopViewforId.contains(requestedScreen)) {
stillWaitingPanels << cont;
continue;
}
//TODO: does a similar check make sense?
//Q_ASSERT(qBound(0, requestedScreen, m_screenPool->count() - 1) == requestedScreen);
QScreen *screen = m_desktopViewforId.value(requestedScreen)->screenToFollow();
PanelView* panel = new PanelView(this, screen);
if (panel->rendererInterface()->graphicsApi() != QSGRendererInterface::Software) {
connect(panel, &QQuickWindow::sceneGraphError, this, &ShellCorona::glInitializationFailed);
}
connect(panel, &QWindow::visibleChanged, this, &Plasma::Corona::availableScreenRectChanged);
connect(panel, &PanelView::locationChanged, this, &Plasma::Corona::availableScreenRectChanged);
connect(panel, &PanelView::visibilityModeChanged, this, &Plasma::Corona::availableScreenRectChanged);
connect(panel, &PanelView::thicknessChanged, this, &Plasma::Corona::availableScreenRectChanged);
m_panelViews[cont] = panel;
panel->setContainment(cont);
cont->reactToScreenChange();
connect(cont, &QObject::destroyed, this, &ShellCorona::panelContainmentDestroyed);
}
m_waitingPanels = stillWaitingPanels;
emit availableScreenRectChanged();
}
void ShellCorona::panelContainmentDestroyed(QObject *cont)
{
auto view = m_panelViews.take(static_cast<Plasma::Containment*>(cont));
view->deleteLater();
//don't make things relayout when the application is quitting
//NOTE: qApp->closingDown() is still false here
if (!m_closingDown) {
emit availableScreenRectChanged();
}
}
void ShellCorona::handleContainmentAdded(Plasma::Containment *c)
{
connect(c, &Plasma::Containment::showAddWidgetsInterface,
this, &ShellCorona::toggleWidgetExplorer);
connect(c, &Plasma::Containment::appletAlternativesRequested,
this, &ShellCorona::showAlternativesForApplet);
connect(c, &Plasma::Containment::appletCreated, this, [this, c] (Plasma::Applet *applet) {
executeSetupPlasmoidScript(c, applet);
});
}
void ShellCorona::executeSetupPlasmoidScript(Plasma::Containment *containment, Plasma::Applet *applet)
{
if (!applet->pluginMetaData().isValid() || !containment->pluginMetaData().isValid()) {
return;
}
const QString scriptFile = m_lookAndFeelPackage.filePath("plasmoidsetupscripts", applet->pluginMetaData().pluginId() + ".js");
if (scriptFile.isEmpty()) {
return;
}
WorkspaceScripting::ScriptEngine scriptEngine(this);
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError, this,
[](const QString &msg) {
qWarning() << msg;
});
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print, this,
[](const QString &msg) {
qDebug() << msg;
});
QFile file(scriptFile);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
qWarning() << i18n("Unable to load script file: %1", scriptFile);
return;
}
QString script = file.readAll();
if (script.isEmpty()) {
// qDebug() << "script is empty";
return;
}
scriptEngine.globalObject().setProperty(QStringLiteral("applet"), scriptEngine.wrap(applet));
scriptEngine.globalObject().setProperty(QStringLiteral("containment"), scriptEngine.wrap(containment));
scriptEngine.evaluateScript(script, scriptFile);
}
void ShellCorona::toggleWidgetExplorer()
{
const QPoint cursorPos = QCursor::pos();
foreach (DesktopView *view, m_desktopViewforId) {
if (view->screen()->geometry().contains(cursorPos)) {
//The view QML has to provide something to display the widget explorer
view->rootObject()->metaObject()->invokeMethod(view->rootObject(), "toggleWidgetExplorer", Q_ARG(QVariant, QVariant::fromValue(sender())));
return;
}
}
}
void ShellCorona::toggleActivityManager()
{
const QPoint cursorPos = QCursor::pos();
foreach (DesktopView *view, m_desktopViewforId) {
if (view->screen()->geometry().contains(cursorPos)) {
//The view QML has to provide something to display the activity explorer
view->rootObject()->metaObject()->invokeMethod(view->rootObject(), "toggleActivityManager", Qt::QueuedConnection);
return;
}
}
}
void ShellCorona::syncAppConfig()
{
applicationConfig()->sync();
}
void ShellCorona::setDashboardShown(bool show)
{
KWindowSystem::setShowingDesktop(show);
}
void ShellCorona::toggleDashboard()
{
setDashboardShown(!KWindowSystem::showingDesktop());
}
void ShellCorona::loadInteractiveConsole()
{
if (KSharedConfig::openConfig()->isImmutable() || !KAuthorized::authorize(QStringLiteral("plasma-desktop/scripting_console"))) {
delete m_interactiveConsole;
m_interactiveConsole = nullptr;
return;
}
if (!m_interactiveConsole) {
const QUrl consoleQML = kPackage().fileUrl("interactiveconsole");
if (consoleQML.isEmpty()) {
return;
}
m_interactiveConsole = new KDeclarative::QmlObjectSharedEngine(this);
m_interactiveConsole->setInitializationDelayed(true);
m_interactiveConsole->setSource(consoleQML);
QObject *engine = new WorkspaceScripting::ScriptEngine(this, m_interactiveConsole);
m_interactiveConsole->rootContext()->setContextProperty(QStringLiteral("scriptEngine"), engine);
m_interactiveConsole->completeInitialization();
if (m_interactiveConsole->rootObject()) {
connect(m_interactiveConsole->rootObject(), SIGNAL(visibleChanged(bool)),
this, SLOT(interactiveConsoleVisibilityChanged(bool)));
}
}
}
void ShellCorona::showInteractiveConsole()
{
loadInteractiveConsole();
if (m_interactiveConsole && m_interactiveConsole->rootObject()) {
m_interactiveConsole->rootObject()->setProperty("mode", "desktop");
m_interactiveConsole->rootObject()->setProperty("visible", true);
}
}
void ShellCorona::loadScriptInInteractiveConsole(const QString &script)
{
showInteractiveConsole();
if (m_interactiveConsole) {
m_interactiveConsole->rootObject()->setProperty("script", script);
}
}
void ShellCorona::showInteractiveKWinConsole()
{
loadInteractiveConsole();
if (m_interactiveConsole && m_interactiveConsole->rootObject()) {
m_interactiveConsole->rootObject()->setProperty("mode", "windowmanager");
m_interactiveConsole->rootObject()->setProperty("visible", true);
}
}
void ShellCorona::loadKWinScriptInInteractiveConsole(const QString &script)
{
showInteractiveKWinConsole();
if (m_interactiveConsole) {
m_interactiveConsole->rootObject()->setProperty("script", script);
}
}
void ShellCorona::evaluateScript(const QString &script) {
if (calledFromDBus()) {
if (immutability() == Plasma::Types::SystemImmutable) {
sendErrorReply(QDBusError::Failed, QStringLiteral("Widgets are locked"));
return;
} else if (!KAuthorized::authorize(QStringLiteral("plasma-desktop/scripting_console"))) {
sendErrorReply(QDBusError::Failed, QStringLiteral("Administrative policies prevent script execution"));
return;
}
}
WorkspaceScripting::ScriptEngine scriptEngine(this);
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError, this,
[](const QString &msg) {
qWarning() << msg;
});
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print, this,
[](const QString &msg) {
qDebug() << msg;
});
scriptEngine.evaluateScript(script);
if (!scriptEngine.errorString().isEmpty() && calledFromDBus()) {
sendErrorReply(QDBusError::Failed, scriptEngine.errorString());
}
}
void ShellCorona::interactiveConsoleVisibilityChanged(bool visible)
{
if (!visible) {
m_interactiveConsole->deleteLater();
m_interactiveConsole = nullptr;
}
}
void ShellCorona::checkActivities()
{
KActivities::Controller::ServiceStatus status = m_activityController->serviceStatus();
//qDebug() << "$%$%$#%$%$%Status:" << status;
if (status != KActivities::Controller::Running) {
//panic and give up - better than causing a mess
qDebug() << "ShellCorona::checkActivities is called whilst activity daemon is still connecting";
return;
}
QStringList existingActivities = m_activityController->activities();
foreach (const QString &id, existingActivities) {
activityAdded(id);
}
// Checking whether the result we got is valid. Just in case.
Q_ASSERT_X(!existingActivities.isEmpty(), "isEmpty", "There are no activities, and the service is running");
Q_ASSERT_X(existingActivities[0] != QStringLiteral("00000000-0000-0000-0000-000000000000"),
"null uuid", "There is a nulluuid activity present");
// Killing the unassigned containments
foreach (Plasma::Containment *cont, containments()) {
if ((cont->containmentType() == Plasma::Types::DesktopContainment ||
cont->containmentType() == Plasma::Types::CustomContainment) &&
!existingActivities.contains(cont->activity())) {
cont->destroy();
}
}
}
void ShellCorona::currentActivityChanged(const QString &newActivity)
{
// qDebug() << "Activity changed:" << newActivity;
foreach (int id, m_desktopViewforId.keys()) {
Plasma::Containment *c = createContainmentForActivity(newActivity, id);
QAction *removeAction = c->actions()->action(QStringLiteral("remove"));
if (removeAction) {
removeAction->deleteLater();
}
m_desktopViewforId.value(id)->setContainment(c);
}
}
void ShellCorona::activityAdded(const QString &id)
{
//TODO more sanity checks
if (m_activityContainmentPlugins.contains(id)) {
qWarning() << "Activity added twice" << id;
return;
}
m_activityContainmentPlugins.insert(id, defaultContainmentPlugin());
}
void ShellCorona::activityRemoved(const QString &id)
{
m_activityContainmentPlugins.remove(id);
for (auto cont : containmentsForActivity(id)) {
cont->destroy();
}
}
void ShellCorona::insertActivity(const QString &id, const QString &plugin)
{
activityAdded(id);
const QString currentActivityReally = m_activityController->currentActivity();
// TODO: This needs to go away!
// The containment creation API does not know when we have a
// new activity to create a containment for, we need to pretend
// that the current activity has been changed
QFuture<bool> currentActivity = m_activityController->setCurrentActivity(id);
awaitFuture(currentActivity);
if (!currentActivity.result()) {
qDebug() << "Failed to create and switch to the activity";
return;
}
while (m_activityController->currentActivity() != id) {
QCoreApplication::processEvents();
}
m_activityContainmentPlugins.insert(id, plugin);
foreach (int screenId, m_desktopViewforId.keys()) {
Plasma::Containment *c = createContainmentForActivity(id, screenId);
if (c) {
c->config().writeEntry("lastScreen", screenId);
}
}
}
Plasma::Containment *ShellCorona::setContainmentTypeForScreen(int screen, const QString &plugin)
{
//search but not create
Plasma::Containment *oldContainment = containmentForScreen(screen, m_activityController->currentActivity(), QString());
//no valid containment in given screen, giving up
if (!oldContainment) {
return nullptr;
}
if (plugin.isEmpty()) {
return oldContainment;
}
DesktopView *view = nullptr;
foreach (DesktopView *v, m_desktopViewforId) {
if (v->containment() == oldContainment) {
view = v;
break;
}
}
//no view? give up
if (!view) {
return oldContainment;
}
//create a new containment
Plasma::Containment *newContainment = createContainmentDelayed(plugin);
//if creation failed or invalid plugin, give up
if (!newContainment) {
return oldContainment;
} else if (!newContainment->pluginMetaData().isValid()) {
newContainment->deleteLater();
return oldContainment;
}
newContainment->setWallpaper(oldContainment->wallpaper());
//At this point we have a valid new containment from plugin and a view
//copy all configuration groups (excluded applets)
KConfigGroup oldCg = oldContainment->config();
//newCg *HAS* to be from a KSharedConfig, because some KConfigSkeleton will need to be synced
//this makes the configscheme work
KConfigGroup newCg(KSharedConfig::openConfig(oldCg.config()->name()), "Containments");
newCg = KConfigGroup(&newCg, QString::number(newContainment->id()));
//this makes containment->config() work, is a separate thing from its configscheme
KConfigGroup newCg2 = newContainment->config();
foreach (const QString &group, oldCg.groupList()) {
if (group != QLatin1String("Applets")) {
KConfigGroup subGroup(&oldCg, group);
KConfigGroup newSubGroup(&newCg, group);
subGroup.copyTo(&newSubGroup);
KConfigGroup newSubGroup2(&newCg2, group);
subGroup.copyTo(&newSubGroup2);
}
}
newContainment->init();
newCg.writeEntry("activityId", oldContainment->activity());
newContainment->restore(newCg);
newContainment->updateConstraints(Plasma::Types::StartupCompletedConstraint);
newContainment->flushPendingConstraintsEvents();
emit containmentAdded(newContainment);
//Move the applets
foreach (Plasma::Applet *applet, oldContainment->applets()) {
newContainment->addApplet(applet);
}
//remove the "remove" action
QAction *removeAction = newContainment->actions()->action(QStringLiteral("remove"));
if (removeAction) {
removeAction->deleteLater();
}
view->setContainment(newContainment);
newContainment->setActivity(oldContainment->activity());
insertContainment(oldContainment->activity(), screen, newContainment);
//removing the focus from the item that is going to be destroyed
//fixes a crash
//delayout the destruction of the old containment fixes another crash
view->rootObject()->setFocus(true, Qt::MouseFocusReason);
QTimer::singleShot(2500, oldContainment, &Plasma::Applet::destroy);
//Save now as we now have a screen, so lastScreen will not be -1
newContainment->save(newCg);
requestConfigSync();
emit availableScreenRectChanged();
return newContainment;
}
void ShellCorona::checkAddPanelAction(const QStringList &sycocaChanges)
{
if (!sycocaChanges.isEmpty() && !sycocaChanges.contains(QStringLiteral("services"))) {
return;
}
delete m_addPanelAction;
m_addPanelAction = nullptr;
delete m_addPanelsMenu;
m_addPanelsMenu = nullptr;
KPluginInfo::List panelContainmentPlugins = Plasma::PluginLoader::listContainmentsOfType(QStringLiteral("Panel"));
auto filter = [](const KPluginMetaData &md) -> bool
{
return md.value(QStringLiteral("NoDisplay")) != QStringLiteral("true") && KPluginMetaData::readStringList(md.rawData(), QStringLiteral("X-Plasma-ContainmentCategories")).contains(QStringLiteral("panel"));
};
QList<KPluginMetaData> templates = KPackage::PackageLoader::self()->findPackages(QStringLiteral("Plasma/LayoutTemplate"), QString(), filter);
if (panelContainmentPlugins.count() + templates.count() == 1) {
m_addPanelAction = new QAction(i18n("Add Panel"), this);
m_addPanelAction->setData(Plasma::Types::AddAction);
connect(m_addPanelAction, SIGNAL(triggered(bool)), this, SLOT(addPanel()));
} else if (!panelContainmentPlugins.isEmpty()) {
m_addPanelsMenu = new QMenu;
m_addPanelAction = m_addPanelsMenu->menuAction();
m_addPanelAction->setText(i18n("Add Panel"));
m_addPanelAction->setData(Plasma::Types::AddAction);
connect(m_addPanelsMenu, &QMenu::aboutToShow, this, &ShellCorona::populateAddPanelsMenu);
connect(m_addPanelsMenu, SIGNAL(triggered(QAction*)), this, SLOT(addPanel(QAction*)));
}
if (m_addPanelAction) {
m_addPanelAction->setIcon(QIcon::fromTheme(QStringLiteral("list-add")));
actions()->addAction(QStringLiteral("add panel"), m_addPanelAction);
}
}
void ShellCorona::populateAddPanelsMenu()
{
m_addPanelsMenu->clear();
const KPluginInfo emptyInfo;
KPluginInfo::List panelContainmentPlugins = Plasma::PluginLoader::listContainmentsOfType(QStringLiteral("Panel"));
QMap<QString, QPair<KPluginInfo, KPluginMetaData> > sorted;
foreach (const KPluginInfo &plugin, panelContainmentPlugins) {
if (plugin.property(QStringLiteral("NoDisplay")).toString() == QStringLiteral("true")) {
continue;
}
sorted.insert(plugin.name(), qMakePair(plugin, KPluginMetaData()));
}
auto filter = [](const KPluginMetaData &md) -> bool
{
return md.value(QStringLiteral("NoDisplay")) != QStringLiteral("true") && KPluginMetaData::readStringList(md.rawData(), QStringLiteral("X-Plasma-ContainmentCategories")).contains(QStringLiteral("panel"));
};
const QList<KPluginMetaData> templates = KPackage::PackageLoader::self()->findPackages(QStringLiteral("Plasma/LayoutTemplate"), QString(), filter);
for (auto tpl : templates) {
sorted.insert(tpl.name(), qMakePair(emptyInfo, tpl));
}
QMapIterator<QString, QPair<KPluginInfo, KPluginMetaData> > it(sorted);
KPackage::Package package = KPackage::PackageLoader::self()->loadPackage(QStringLiteral("Plasma/LayoutTemplate"));
while (it.hasNext()) {
it.next();
QPair<KPluginInfo, KPluginMetaData> pair = it.value();
if (pair.first.isValid()) {
KPluginInfo plugin = pair.first;
QAction *action = m_addPanelsMenu->addAction(i18n("Empty %1", plugin.name()));
if (!plugin.icon().isEmpty()) {
action->setIcon(QIcon::fromTheme(plugin.icon()));
}
action->setData(plugin.pluginName());
} else {
KPluginInfo info(pair.second);
package.setPath(info.pluginName());
const QString scriptFile = package.filePath("mainscript");
if (!scriptFile.isEmpty()) {
QAction *action = m_addPanelsMenu->addAction(info.name());
action->setData(QStringLiteral("plasma-desktop-template:%1").arg(info.pluginName()));
}
}
}
}
void ShellCorona::addPanel()
{
KPluginInfo::List panelPlugins = Plasma::PluginLoader::listContainmentsOfType(QStringLiteral("Panel"));
if (!panelPlugins.isEmpty()) {
addPanel(panelPlugins.first().pluginName());
}
}
void ShellCorona::addPanel(QAction *action)
{
const QString plugin = action->data().toString();
if (plugin.startsWith(QLatin1String("plasma-desktop-template:"))) {
WorkspaceScripting::ScriptEngine scriptEngine(this);
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError, this,
[](const QString &msg) {
qWarning() << msg;
});
connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print, this,
[](const QString &msg) {
qDebug() << msg;
});
const QString templateName = plugin.right(plugin.length() - qstrlen("plasma-desktop-template:"));
scriptEngine.evaluateScript(QStringLiteral("loadTemplate(\"%1\")").arg(templateName));
} else if (!plugin.isEmpty()) {
addPanel(plugin);
}
}
Plasma::Containment *ShellCorona::addPanel(const QString &plugin)
{
Plasma::Containment *panel = createContainment(plugin);
if (!panel) {
return nullptr;
}
QList<Plasma::Types::Location> availableLocations;
availableLocations << Plasma::Types::LeftEdge << Plasma::Types::TopEdge << Plasma::Types::RightEdge << Plasma::Types::BottomEdge;
foreach (const Plasma::Containment *cont, m_panelViews.keys()) {
availableLocations.removeAll(cont->location());
}
Plasma::Types::Location loc;
if (availableLocations.isEmpty()) {
loc = Plasma::Types::TopEdge;
} else {
loc = availableLocations.first();
}
panel->setLocation(loc);
switch (loc) {
case Plasma::Types::LeftEdge:
case Plasma::Types::RightEdge:
panel->setFormFactor(Plasma::Types::Vertical);
break;
default:
panel->setFormFactor(Plasma::Types::Horizontal);
break;
}
Q_ASSERT(panel);
m_waitingPanels << panel;
//not creating the panel view yet in order to have the same code path
//between the first and subsequent plasma starts. we want to have the panel appearing only when its layout is completed, to not have
//many visible relayouts. otherwise we had even panel resizes at startup that
//made al lthe full representations be loaded.
m_waitingPanelsTimer.start();
const QPoint cursorPos(QCursor::pos());
foreach (QScreen *screen, QGuiApplication::screens()) {
//m_panelViews.contains(panel) == false iff addPanel is executed in a startup script
if (screen->geometry().contains(cursorPos) && m_panelViews.contains(panel)) {
m_panelViews[panel]->setScreenToFollow(screen);
break;
}
}
return panel;
}
int ShellCorona::screenForContainment(const Plasma::Containment *containment) const
{
//case in which this containment is child of an applet, hello systray :)
if (Plasma::Applet *parentApplet = qobject_cast<Plasma::Applet *>(containment->parent())) {
if (Plasma::Containment* cont = parentApplet->containment()) {
return screenForContainment(cont);
} else {
return -1;
}
}
//if the desktop views already exist, base the decision upon them
for (auto it = m_desktopViewforId.constBegin(), end = m_desktopViewforId.constEnd(); it != end; ++it) {
if (it.value()->containment() == containment && containment->activity() == m_activityController->currentActivity()) {
return it.key();
}
}
//if the panel views already exist, base upon them
PanelView *view = m_panelViews.value(containment);
if (view && view->screenToFollow()) {
return m_screenPool->id(view->screenToFollow()->name());
}
//Failed? fallback on lastScreen()
//lastScreen() is the correct screen for panels
//It is also correct for desktops *that have the correct activity()*
//a containment with lastScreen() == 0 but another activity,
//won't be associated to a screen
// qDebug() << "ShellCorona screenForContainment: " << containment << " Last screen is " << containment->lastScreen();
for (auto screen : qGuiApp->screens()) {
// containment->lastScreen() == m_screenPool->id(screen->name()) to check if the lastScreen refers to a screen that exists/it's known
if (containment->lastScreen() == m_screenPool->id(screen->name()) &&
(containment->activity() == m_activityController->currentActivity() ||
containment->containmentType() == Plasma::Types::PanelContainment || containment->containmentType() == Plasma::Types::CustomPanelContainment)) {
return containment->lastScreen();
}
}
return -1;
}
void ShellCorona::nextActivity()
{
const QStringList list = m_activityController->activities(KActivities::Info::Running);
if (list.isEmpty()) {
return;
}
const int start = list.indexOf(m_activityController->currentActivity());
const int i = (start + 1) % list.size();
m_activityController->setCurrentActivity(list.at(i));
}
void ShellCorona::previousActivity()
{
const QStringList list = m_activityController->activities(KActivities::Info::Running);
if (list.isEmpty()) {
return;
}
const int start = list.indexOf(m_activityController->currentActivity());
int i = start - 1;
if(i < 0) {
i = list.size() - 1;
}
m_activityController->setCurrentActivity(list.at(i));
}
void ShellCorona::stopCurrentActivity()
{
const QStringList list = m_activityController->activities(KActivities::Info::Running);
if (list.isEmpty()) {
return;
}
m_activityController->stopActivity(m_activityController->currentActivity());
}
void ShellCorona::insertContainment(const QString &activity, int screenNum, Plasma::Containment *containment)
{
Plasma::Containment *cont = nullptr;
auto candidates = containmentsForActivity(activity);
for (Plasma::Containment *c : candidates) {
//using lastScreen() instead of screen() catches also containments of activities that aren't the current one, so not assigned to a screen right now
if (c->lastScreen() == screenNum) {
cont = c;
if (containment == cont) {
return;
}
break;
}
}
Q_ASSERT(containment != cont);
//if there was a duplicate containment destroy the old one
//the new one replaces it
//FIXME: this whole function is probably redundant now
if (cont) {
cont->destroy();
}
}
void ShellCorona::setupWaylandIntegration()
{
if (!KWindowSystem::isPlatformWayland()) {
return;
}
using namespace KWayland::Client;
ConnectionThread *connection = ConnectionThread::fromApplication(this);
if (!connection) {
return;
}
Registry *registry = new Registry(this);
registry->create(connection);
connect(registry, &Registry::plasmaShellAnnounced, this,
[this, registry] (quint32 name, quint32 version) {
m_waylandPlasmaShell = registry->createPlasmaShell(name, version, this);
}
);
registry->setup();
connection->roundtrip();
}
KWayland::Client::PlasmaShell *ShellCorona::waylandPlasmaShellInterface() const
{
return m_waylandPlasmaShell;
}
ScreenPool *ShellCorona::screenPool() const
{
return m_screenPool;
}
QList<int> ShellCorona::screenIds() const
{
return m_desktopViewforId.keys();
}
QString ShellCorona::defaultContainmentPlugin() const
{
QString plugin = m_lnfDefaultsConfig.readEntry("Containment", QString());
if (plugin.isEmpty()) {
plugin = m_desktopDefaultsConfig.readEntry("Containment", "org.kde.desktopcontainment");
}
return plugin;
}
void ShellCorona::updateStruts()
{
foreach(PanelView* view, m_panelViews) {
view->updateStruts();
}
}
void ShellCorona::configurationChanged(const QString &path)
{
if (path == m_configPath) {
m_config->reparseConfiguration();
}
}
void ShellCorona::activateLauncherMenu()
{
for (auto it = m_panelViews.constBegin(), end = m_panelViews.constEnd(); it != end; ++it) {
const auto applets = it.key()->applets();
for (auto applet : applets) {
const auto provides = KPluginMetaData::readStringList(applet->pluginMetaData().rawData(), QStringLiteral("X-Plasma-Provides"));
if (provides.contains(QLatin1String("org.kde.plasma.launchermenu"))) {
if (!applet->globalShortcut().isEmpty()) {
emit applet->activated();
return;
}
}
}
}
}
void ShellCorona::activateTaskManagerEntry(int index)
{
auto activateTaskManagerEntryOnContainment = [this](const Plasma::Containment *c, int index) {
const auto &applets = c->applets();
for (auto *applet : applets) {
const auto &provides = KPluginMetaData::readStringList(applet->pluginMetaData().rawData(), QStringLiteral("X-Plasma-Provides"));
if (provides.contains(QLatin1String("org.kde.plasma.multitasking"))) {
if (QQuickItem *appletInterface = applet->property("_plasma_graphicObject").value<QQuickItem *>()) {
const auto &childItems = appletInterface->childItems();
if (childItems.isEmpty()) {
continue;
}
for (QQuickItem *item : childItems) {
if (auto *metaObject = item->metaObject()) {
// not using QMetaObject::invokeMethod to avoid warnings when calling
// this on applets that don't have it or other child items since this
// is pretty much trial and error.
// Also, "var" arguments are treated as QVariant in QMetaObject
int methodIndex = metaObject->indexOfMethod("activateTaskAtIndex(QVariant)");
if (methodIndex == -1) {
continue;
}
QMetaMethod method = metaObject->method(methodIndex);
if (method.invoke(item, Q_ARG(QVariant, index))) {
return true;
}
}
}
}
}
}
return false;
};
// To avoid overly complex configuration, we'll try to get the 90% usecase to work
// which is activating a task on the task manager on a panel on the primary screen.
for (auto it = m_panelViews.constBegin(), end = m_panelViews.constEnd(); it != end; ++it) {
if (it.value()->screen() != qGuiApp->primaryScreen()) {
continue;
}
if (activateTaskManagerEntryOnContainment(it.key(), index)) {
return;
}
}
// we didn't find anything on primary, try all the panels
for (auto it = m_panelViews.constBegin(), end = m_panelViews.constEnd(); it != end; ++it) {
if (activateTaskManagerEntryOnContainment(it.key(), index)) {
return;
}
}
}
// Desktop corona handler
#include "moc_shellcorona.cpp"