mirror of
https://invent.kde.org/marcoa/shift-shell.git
synced 2026-04-26 14:23:09 +00:00
Marco Allegretti
8fecdf1d2d
loadPackage + setPath can produce an invalid package if the shell package is missing. Guard with isValid() to avoid passing a bad package to setKPackage. Add the QML_SINGLETON factory that the QML engine requires for proper singleton instantiation.
112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
// SPDX-FileCopyrightText: 2026 Marco Allegretti
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// SPDX-License-Identifier: EUPL-1.2
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#include "applethost.h"
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#include <Plasma/Containment>
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#include <Plasma/Corona>
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#include <Plasma/PluginLoader>
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#include <PlasmaQuick/AppletQuickItem>
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#include <KPackage/Package>
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#include <KPackage/PackageLoader>
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#include <QDebug>
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using namespace Qt::StringLiterals;
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// Minimal Corona to host applets outside the shell's own containment tree.
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class AppletHost::HostCorona : public Plasma::Corona
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{
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Q_OBJECT
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public:
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explicit HostCorona(QObject *parent = nullptr)
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: Plasma::Corona(parent)
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{
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KPackage::Package pkg = KPackage::PackageLoader::self()->loadPackage(u"Plasma/Shell"_s);
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pkg.setPath(u"org.kde.plasma.mobile"_s);
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if (!pkg.isValid()) {
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qWarning() << "AppletHost: failed to load plasma shell package org.kde.plasma.mobile";
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return;
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}
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setKPackage(pkg);
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}
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QRect screenGeometry(int id) const override
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{
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Q_UNUSED(id);
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return {0, 0, 400, 600};
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}
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void loadDefaultLayout() override
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{
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}
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};
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AppletHost::AppletHost(QObject *parent)
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: QObject(parent)
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{
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}
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AppletHost::~AppletHost() = default;
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void AppletHost::ensureCorona()
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{
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if (m_corona)
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return;
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m_corona = new HostCorona(this);
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m_containment = m_corona->createContainment(u"null"_s);
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if (m_containment) {
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m_containment->setFormFactor(Plasma::Types::Application);
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}
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}
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QQuickItem *AppletHost::fullRepresentationFor(const QString &pluginId)
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{
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auto it = m_items.constFind(pluginId);
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if (it != m_items.constEnd()) {
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auto *item = *it;
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return item ? item->fullRepresentationItem() : nullptr;
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}
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ensureCorona();
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if (!m_containment) {
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qWarning() << "AppletHost: failed to create containment";
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return nullptr;
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}
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auto *applet = Plasma::PluginLoader::self()->loadApplet(pluginId, 0);
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if (!applet) {
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qWarning() << "AppletHost: failed to load applet" << pluginId;
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m_items.insert(pluginId, nullptr);
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return nullptr;
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}
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m_containment->addApplet(applet);
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auto *item = PlasmaQuick::AppletQuickItem::itemForApplet(applet);
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m_items.insert(pluginId, item);
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if (!item) {
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qWarning() << "AppletHost: no AppletQuickItem for" << pluginId;
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return nullptr;
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}
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item->setPreloadFullRepresentation(true);
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auto *fullRepItem = item->fullRepresentationItem();
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if (!fullRepItem) {
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connect(
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item,
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&PlasmaQuick::AppletQuickItem::fullRepresentationItemChanged,
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this,
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[this, pluginId]() {
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Q_EMIT appletReady(pluginId);
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},
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static_cast<Qt::ConnectionType>(Qt::AutoConnection | Qt::SingleShotConnection));
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}
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return fullRepItem;
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}
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#include "applethost.moc"
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