diff -r 7486347f73cf -r 6c86efe60b37 ui/qt/model.h
--- a/ui/qt/model.h	Tue Apr 22 20:40:01 2025 +0200
+++ b/ui/qt/model.h	Thu Apr 24 21:19:29 2025 +0200
@@ -74,7 +74,7 @@
 class TableModel : public QAbstractListModel {
     Q_OBJECT
     
-    ui_getvaluefunc getvalue;
+    UiModel     *model;
     ui_callback onactivate;
     void        *onactivatedata;
     ui_callback onselection;
@@ -85,7 +85,7 @@
     UiVar       *var;
     QTreeView   *view;
     
-    TableModel(UiObject *obj, QTreeView *view, UiVar *var, ui_getvaluefunc getvalue);
+    TableModel(UiObject *obj, QTreeView *view, UiVar *var, UiModel *model);
     
     void setActivationCallback(ui_callback f, void *userdata);
     void setSelectionCallback(ui_callback f, void *userdata);
@@ -93,7 +93,9 @@
     void update(int row);
     
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
     
 public slots:
     void selectionChanged(