From de850125aaffeebb6530214047bacd97feed32f9 Mon Sep 17 00:00:00 2001
From: Dmitry Zagorodnev <riko@penland.ru>
Date: Mon, 20 Feb 2023 14:29:32 +0300
Subject: [PATCH] Fix: lrcompletermodel access to null ptr

---
 limereport/scripteditor/lrcompletermodel.cpp | 19 ++++++++++---------
 limereport/scripteditor/lrcompletermodel.h   |  2 +-
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/limereport/scripteditor/lrcompletermodel.cpp b/limereport/scripteditor/lrcompletermodel.cpp
index 29c7116..70299f6 100644
--- a/limereport/scripteditor/lrcompletermodel.cpp
+++ b/limereport/scripteditor/lrcompletermodel.cpp
@@ -22,16 +22,17 @@ QModelIndex CompleterModel::index(int row, int column, const QModelIndex &parent
     return createIndex(row, column, parentItem->child(row));
 }
 
-QModelIndex CompleterModel::parent(const QModelIndex &child) const
-{
-    if (child.isValid()){
-        CompleterItem *childItem = static_cast<CompleterItem*>(child.internalPointer());
-        CompleterItem *parentItem = childItem->parent();
-        if (parentItem != &m_root) {
-            return indexFromItem(parentItem);
-        }
+QModelIndex CompleterModel::parent(const QModelIndex &child) const {
+  if(child.isValid()) {
+    if(CompleterItem *childItem = static_cast<CompleterItem *>(child.internalPointer());
+       childItem) {
+      CompleterItem *parentItem = childItem->parent();
+      if(parentItem != &m_root) {
+        return indexFromItem(parentItem);
+      }
     }
-    return QModelIndex();
+  }
+  return QModelIndex();
 }
 
 int CompleterModel::rowCount(const QModelIndex &parent) const
diff --git a/limereport/scripteditor/lrcompletermodel.h b/limereport/scripteditor/lrcompletermodel.h
index eeab147..9611e5d 100644
--- a/limereport/scripteditor/lrcompletermodel.h
+++ b/limereport/scripteditor/lrcompletermodel.h
@@ -35,7 +35,7 @@ public:
     void appendRow(CompleterItem* child);
     void appendRows(const QList<CompleterItem *> &children);
 private:
-    CompleterItem* m_parent;
+    CompleterItem* m_parent{nullptr};
     QVector<QSharedPointer<CompleterItem> > m_children;
     QString m_text;
     QIcon m_icon;