forked from quickshell/quickshell
107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
#include "rootwrapper.hpp"
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#include <cstdlib>
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#include <utility>
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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 <qurl.h>
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#include "generation.hpp"
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#include "qmlglobal.hpp"
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#include "scan.hpp"
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#include "shell.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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, originalWorkingDirectory(QDir::current().absolutePath()) {
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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->generation == 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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if (this->generation != nullptr) {
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delete this->generation->root;
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this->generation->root = nullptr;
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}
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delete this->generation;
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}
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void RootWrapper::reloadGraph(bool hard) {
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auto scanner = QmlScanner();
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scanner.scanQmlFile(this->rootPath);
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auto* generation = new EngineGeneration(std::move(scanner));
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generation->wrapper = this;
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// todo: move into EngineGeneration
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if (this->generation != nullptr) {
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QuickshellSettings::reset();
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}
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QDir::setCurrent(this->originalWorkingDirectory);
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auto url = QUrl::fromLocalFile(this->rootPath);
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// unless the original file comes from the qsintercept scheme
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url.setScheme("qsintercept");
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auto component = QQmlComponent(&generation->engine, url);
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auto* obj = component.beginCreate(generation->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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delete generation;
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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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delete generation;
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return;
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}
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generation->root = newRoot;
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component.completeCreate();
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generation->onReload(hard ? nullptr : this->generation);
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if (hard) delete this->generation;
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this->generation = generation;
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qInfo() << "Configuration Loaded";
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QObject::connect(
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this->generation,
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&EngineGeneration::filesChanged,
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this,
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&RootWrapper::onWatchedFilesChanged
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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 (this->generation != nullptr) {
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this->generation->setWatchingFiles(watchFiles);
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}
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}
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void RootWrapper::onWatchedFilesChanged() { this->reloadGraph(false); }
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