Model undo stack is accessible in QML. Added Undo & Redo buttons, which are properly en-/disabled and have informative texts.

ListPage.qml

@@ -5,9 +5,13 @@ import QtQuick.Controls.Material
 Page {
     id: page
 
+    ColumnLayout {
+        anchors.fill: parent
+
         ListView {
             id: listView
-        anchors.fill: parent
+            Layout.fillWidth: true
+            Layout.fillHeight: true
             focus: true
             clip: true
 
@@ -25,6 +29,23 @@ Page {
                 gradient: mainGradient
             }
         }
+        Button {
+            Layout.fillWidth: true
+            text: "Undo: " + appUndoStack.undoText
+            enabled: appUndoStack.canUndo
+            onClicked: {
+                appUndoStack.undo()
+            }
+        }
+        Button {
+            Layout.fillWidth: true
+            text: "Redo: " + appUndoStack.redoText
+            enabled: appUndoStack.canRedo
+            onClicked: {
+                appUndoStack.redo()
+            }
+        }
+    }
 
     Component {
         //instantiated when header is processed

main.cpp

@@ -1,6 +1,7 @@
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>
+#include <QUndoCommand>
 
 #include <model/generalsortfiltermodel.h>
 
@@ -18,6 +19,7 @@ int main(int argc, char* argv[]) {
   QGuiApplication app(argc, argv);
   std::unique_ptr<GenericCore> core                 = std::make_unique<GenericCore>();
   std::shared_ptr<GeneralSortFilterModel> mainModel = core->getSortFilterModel();
+  QUndoStack* undoStack                             = core->getModelUndoStack();
 
   // qInfo() << "QMLApp Version:" << QMLAPP_VERSION;
   qInfo() << "core->getString():" << core->toString();
@@ -25,6 +27,7 @@ int main(int argc, char* argv[]) {
   QQmlApplicationEngine engine;
   engine.rootContext()->setContextProperty(QStringLiteral("core"), core.get());
   engine.rootContext()->setContextProperty(QStringLiteral("mainModel"), mainModel.get());
+  engine.rootContext()->setContextProperty(QStringLiteral("appUndoStack"), undoStack);
 
   QObject::connect(
       &engine, &QQmlApplicationEngine::objectCreationFailed, &app,