forked from quickshell/quickshell
116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
#include "rootwrapper.hpp"
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#include <cstdlib>
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#include <utility>
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#include <qcoreapplication.h>
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#include <qdir.h>
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#include <qfileinfo.h>
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#include <qlogging.h>
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#include <qobject.h>
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#include <qqmlcomponent.h>
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#include <qqmlengine.h>
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#include <qtimer.h>
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#include <qurl.h>
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#include "plugin.hpp"
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#include "qmlglobal.hpp"
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#include "reload.hpp"
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#include "shell.hpp"
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#include "watcher.hpp"
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RootWrapper::RootWrapper(QString rootPath)
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: QObject(nullptr)
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, rootPath(std::move(rootPath))
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, engine(this)
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, originalWorkingDirectory(QDir::current().absolutePath()) {
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auto* app = QCoreApplication::instance();
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QObject::connect(&this->engine, &QQmlEngine::quit, app, &QCoreApplication::quit);
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QObject::connect(&this->engine, &QQmlEngine::exit, app, &QCoreApplication::exit);
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// clang-format off
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QObject::connect(QuickshellSettings::instance(), &QuickshellSettings::watchFilesChanged, this, &RootWrapper::onWatchFilesChanged);
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// clang-format on
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this->reloadGraph(true);
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if (this->root == nullptr) {
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qCritical() << "could not create scene graph, exiting";
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exit(-1); // NOLINT
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}
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}
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RootWrapper::~RootWrapper() {
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// event loop may no longer be running so deleteLater is not an option
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delete this->root;
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}
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void RootWrapper::reloadGraph(bool hard) {
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if (this->root != nullptr) {
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QuickshellSettings::reset();
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this->engine.clearComponentCache();
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}
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QDir::setCurrent(this->originalWorkingDirectory);
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auto component = QQmlComponent(&this->engine, QUrl::fromLocalFile(this->rootPath));
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auto* obj = component.beginCreate(this->engine.rootContext());
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if (obj == nullptr) {
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qWarning() << component.errorString().toStdString().c_str();
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qWarning() << "failed to create root component";
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return;
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}
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auto* newRoot = qobject_cast<ShellRoot*>(obj);
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if (newRoot == nullptr) {
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qWarning() << "root component was not a Quickshell.ShellRoot";
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delete obj;
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return;
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}
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component.completeCreate();
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auto* oldRoot = this->root;
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this->root = newRoot;
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this->root->onReload(hard ? nullptr : oldRoot);
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if (oldRoot != nullptr) {
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oldRoot->deleteLater();
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QTimer::singleShot(0, [this, newRoot]() {
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if (this->root == newRoot) {
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QuickshellPlugin::runOnReload();
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PostReloadHook::postReloadTree(this->root);
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}
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});
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} else {
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PostReloadHook::postReloadTree(newRoot);
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QuickshellPlugin::runOnReload();
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}
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this->onWatchFilesChanged();
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}
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void RootWrapper::onWatchFilesChanged() {
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auto watchFiles = QuickshellSettings::instance()->watchFiles();
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if (watchFiles && this->configWatcher == nullptr) {
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this->configWatcher = new FiletreeWatcher();
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this->configWatcher->addPath(QFileInfo(this->rootPath).dir().path());
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QObject::connect(
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this->configWatcher,
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&FiletreeWatcher::fileChanged,
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this,
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&RootWrapper::onWatchedFilesChanged
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);
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} else if (!watchFiles && this->configWatcher != nullptr) {
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this->configWatcher->deleteLater();
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this->configWatcher = nullptr;
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}
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}
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void RootWrapper::onWatchedFilesChanged() { this->reloadGraph(false); }
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