Tab based websocket comms looking like trad RM

SettingsTree.cpp

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+#include "SettingsTree.h"
+
+#include <QHeaderView>
+#include <QTreeWidgetItem>
+
+SettingsTree::SettingsTree(QWidget *parent) : QTreeWidget(parent)
+{
+    setColumnCount(2);
+    setHeaderLabels({"Key", "Value"});
+    header()->setSectionResizeMode(0, QHeaderView::Interactive);
+    header()->setSectionResizeMode(1, QHeaderView::Stretch);
+    header()->setStretchLastSection(true);
+    setAlternatingRowColors(true);
+    setUniformRowHeights(true);
+    setAnimated(true);
+    setIndentation(16);
+    setColumnWidth(0, 240);
+
+    connect(this, &QTreeWidget::itemChanged,
+            this, &SettingsTree::onItemChanged);
+}
+
+void SettingsTree::loadKeys(const QStringList &keys)
+{
+    m_loading = true;
+    clear();
+    m_itemMap.clear();
+
+    for (const QString &key : keys) {
+        const QStringList parts = key.split('/');
+        QTreeWidgetItem *parent = invisibleRootItem();
+        QString accumulated;
+
+        for (int i = 0; i < parts.size(); ++i) {
+            if (!accumulated.isEmpty()) accumulated += '/';
+            accumulated += parts[i];
+
+            if (!m_itemMap.contains(accumulated)) {
+                auto *item = new QTreeWidgetItem(parent);
+                item->setText(0, parts[i]);
+                item->setExpanded(false);
+                const bool isLeaf = (i == parts.size() - 1);
+                if (isLeaf) {
+                    item->setFlags(item->flags() | Qt::ItemIsEditable);
+                    item->setToolTip(1, "Double-click to edit and send");
+                } else {
+                    item->setFlags(item->flags() & ~Qt::ItemIsEditable);
+                }
+                m_itemMap[accumulated] = item;
+            }
+            parent = m_itemMap[accumulated];
+        }
+    }
+
+    resizeColumnToContents(0);
+    m_loading = false;
+}
+
+void SettingsTree::setValue(const QString &key, const QString &value)
+{
+    if (!m_itemMap.contains(key)) return;
+    m_loading = true;
+    m_itemMap[key]->setText(1, value);
+    m_loading = false;
+}
+
+void SettingsTree::onItemChanged(QTreeWidgetItem *item, int column)
+{
+    if (m_loading || column != 1) return;
+    const QString key = fullPath(item);
+    if (key.isEmpty()) return;
+    emit valueEdited(key, item->text(1));
+}
+
+QString SettingsTree::fullPath(QTreeWidgetItem *item) const
+{
+    QStringList parts;
+    QTreeWidgetItem *cur = item;
+    while (cur && cur != invisibleRootItem()) {
+        parts.prepend(cur->text(0));
+        cur = cur->parent();
+    }
+    return parts.join('/');
+}