refactor(wayland): seperate cmake files for modularity

src/core/reload.cpp

@@ -0,0 +1,77 @@
+#include "reload.hpp"
+
+#include <qcontainerfwd.h>
+#include <qobject.h>
+#include <qqmllist.h>
+
+void ReloadPropagator::onReload(QObject* oldInstance) {
+	auto* old = qobject_cast<ReloadPropagator*>(oldInstance);
+
+	for (auto i = 0; i < this->mChildren.length(); i++) {
+		auto* newChild = qobject_cast<Reloadable*>(this->mChildren.at(i));
+		if (newChild != nullptr) {
+			auto* oldChild = old == nullptr || old->mChildren.length() <= i
+			                   ? nullptr
+			                   : qobject_cast<Reloadable*>(old->mChildren.at(i));
+			newChild->onReload(oldChild);
+		} else {
+			Reloadable::reloadRecursive(newChild, oldInstance);
+		}
+	}
+}
+
+QQmlListProperty<QObject> ReloadPropagator::data() {
+	return QQmlListProperty<QObject>(
+	    this,
+	    nullptr,
+	    &ReloadPropagator::appendComponent,
+	    nullptr,
+	    nullptr,
+	    nullptr,
+	    nullptr,
+	    nullptr
+	);
+}
+
+void ReloadPropagator::appendComponent(QQmlListProperty<QObject>* list, QObject* obj) {
+	auto* self = static_cast<ReloadPropagator*>(list->object); // NOLINT
+	obj->setParent(self);
+	self->mChildren.append(obj);
+}
+
+void Reloadable::reloadRecursive(QObject* newObj, QObject* oldRoot) {
+	auto* reloadable = qobject_cast<Reloadable*>(newObj);
+	if (reloadable != nullptr) {
+		QObject* oldInstance = nullptr;
+		if (oldRoot != nullptr && !reloadable->mReloadableId.isEmpty()) {
+			oldInstance = Reloadable::getChildByReloadId(oldRoot, reloadable->mReloadableId);
+		}
+
+		// pass handling to the child's onReload, which should call back into reloadRecursive,
+		// with its oldInstance becoming the new oldRoot.
+		reloadable->onReload(oldInstance);
+	} else if (newObj != nullptr) {
+		Reloadable::reloadChildrenRecursive(newObj, oldRoot);
+	}
+}
+
+void Reloadable::reloadChildrenRecursive(QObject* newRoot, QObject* oldRoot) {
+	for (auto* child: newRoot->children()) {
+		Reloadable::reloadRecursive(child, oldRoot);
+	}
+}
+
+QObject* Reloadable::getChildByReloadId(QObject* parent, const QString& reloadId) {
+	for (auto* child: parent->children()) {
+		auto* reloadable = qobject_cast<Reloadable*>(child);
+		if (reloadable != nullptr) {
+			if (reloadable->mReloadableId == reloadId) return reloadable;
+			// if not then don't check its children as thats a seperate reload scope.
+		} else {
+			auto* reloadable = Reloadable::getChildByReloadId(child, reloadId);
+			if (reloadable != nullptr) return reloadable;
+		}
+	}
+
+	return nullptr;
+}