Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Z/src/nglwidgets/ngltreeitem.cpp

@@ -0,0 +1,131 @@
+
+
+
+#include "ngltreeitem.h"
+
+
+NGLTreeItem::~NGLTreeItem()
+{
+  qDeleteAll(m_childItems);
+}
+
+
+
+NGLTreeItem::NGLTreeItem(const NGLTreeItem &orig)
+{
+  set(orig);
+}
+
+
+
+NGLTreeItem &NGLTreeItem::operator=(const NGLTreeItem &orig)
+{
+  set(orig);
+  return *this;
+}
+
+
+
+void NGLTreeItem::set(const NGLTreeItem &orig)
+{
+  m_parentItem = orig.m_parentItem;
+  m_modified = orig.m_modified;
+  m_data = orig.m_data;
+  m_icon = orig.m_icon;
+  const auto origChildren = orig.children();
+  for (NGLTreeItem *origChild : origChildren)
+    appendChild(new NGLTreeItem(*origChild));
+}
+
+
+bool NGLTreeItem::insertChild(int row, NGLTreeItem *item)
+{
+  if ((row >= 0) && (row <= childCount()))
+  {
+    item->m_parentItem = this;
+    m_childItems.insert(row, item);
+    return true;
+  }
+  return false;
+}
+
+
+void NGLTreeItem::appendChild(NGLTreeItem *item)
+{
+  item->m_parentItem = this;
+  m_childItems.push_back(item);
+}
+
+
+
+NGLTreeItem *NGLTreeItem::takeChild(int row)
+{
+  return validRow(row) ? m_childItems.takeAt(row) : nullptr;
+}
+
+
+bool NGLTreeItem::removeChild(int row)
+{
+  if (!validRow(row))
+    return false;
+
+  delete m_childItems.takeAt(row);
+  return true;
+}
+
+
+bool NGLTreeItem::removeChild(const NGLTreeItem *child)
+{
+  for (int row = 0; row < m_childItems.size(); ++row)
+  {
+    if (m_childItems.at(row) == child)
+    {
+      removeChild(row);
+      return true;
+    }
+  }
+  return false;
+}
+
+
+bool NGLTreeItem::removeChildren(int row, int count)
+{
+  int lastRow = row + count - 1;
+  if (validRow(row) &&
+      (lastRow >= 0) && (lastRow < childCount()))
+  {
+    while (lastRow >= row)
+    {
+      delete m_childItems.takeAt(row);
+      --lastRow;
+    }
+    return true;
+  }
+  return false;
+}
+
+
+bool NGLTreeItem::removeAllChildren()
+{
+  qDeleteAll(m_childItems);
+  m_childItems.clear();
+  return true;
+}
+
+
+int NGLTreeItem::row() const
+{
+  if (m_parentItem)
+    return m_parentItem->m_childItems.indexOf(const_cast<NGLTreeItem *>(this));
+  return 0;
+}
+
+
+void NGLTreeItem::setData(const QVariant &data)
+{
+  if (m_data != data)
+  {
+    m_data = data;
+    setModified(true);
+  }
+}