From 5a84e734426fc73e6a4bef993244ea422782e68b Mon Sep 17 00:00:00 2001
From: outfoxxed <outfoxxed@outfoxxed.me>
Date: Thu, 23 May 2024 19:12:21 -0700
Subject: [PATCH] core/objectmodel: add signals for changes to the list

---
 src/core/model.cpp | 11 +++++++++--
 src/core/model.hpp |  8 ++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/core/model.cpp b/src/core/model.cpp
index 74c7c284..64f7d765 100644
--- a/src/core/model.cpp
+++ b/src/core/model.cpp
@@ -39,21 +39,28 @@ QObject* UntypedObjectModel::valueAt(QQmlListProperty<QObject>* property, qsizet
 
 void UntypedObjectModel::insertObject(QObject* object, qsizetype index) {
 	auto iindex = index == -1 ? this->valuesList.length() : index;
-	auto intIndex = static_cast<qint32>(iindex);
+	emit this->objectInsertedPre(object, index);
 
+	auto intIndex = static_cast<qint32>(iindex);
 	this->beginInsertRows(QModelIndex(), intIndex, intIndex);
 	this->valuesList.insert(iindex, object);
 	this->endInsertRows();
+
 	emit this->valuesChanged();
+	emit this->objectInsertedPost(object, index);
 }
 
 void UntypedObjectModel::removeAt(qsizetype index) {
-	auto intIndex = static_cast<qint32>(index);
+	auto* object = this->valuesList.at(index);
+	emit this->objectRemovedPre(object, index);
 
+	auto intIndex = static_cast<qint32>(index);
 	this->beginRemoveRows(QModelIndex(), intIndex, intIndex);
 	this->valuesList.removeAt(index);
 	this->endRemoveRows();
+
 	emit this->valuesChanged();
+	emit this->objectRemovedPost(object, index);
 }
 
 bool UntypedObjectModel::removeObject(const QObject* object) {
diff --git a/src/core/model.hpp b/src/core/model.hpp
index bcf5ab62..10465bba 100644
--- a/src/core/model.hpp
+++ b/src/core/model.hpp
@@ -57,6 +57,14 @@ public:
 
 signals:
 	void valuesChanged();
+	/// Sent immediately before an object is inserted into the list.
+	void objectInsertedPre(QObject* object, qsizetype index);
+	/// Sent immediately after an object is inserted into the list.
+	void objectInsertedPost(QObject* object, qsizetype index);
+	/// Sent immediately before an object is removed from the list.
+	void objectRemovedPre(QObject* object, qsizetype index);
+	/// Sent immediately after an object is removed from the list.
+	void objectRemovedPost(QObject* object, qsizetype index);
 
 protected:
 	void insertObject(QObject* object, qsizetype index = -1);