diff -r 000000000000 -r 804d8803eade ui/qt/tree.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/qt/tree.cpp	Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,142 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2014 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tree.h"
+#include "container.h"
+
+#include <QTreeView>
+#include <QTreeWidgetItem>
+#include <QListView>
+
+
+extern "C" void* ui_strmodel_getvalue(void *elm, int column) {
+    return column == 0 ? elm : NULL;
+}
+
+UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
+    return ui_listview(obj, list, ui_strmodel_getvalue, f, udata);
+}
+UIWIDGET ui_listview_var(UiObject *obj, UiListPtr *list, ui_model_getvalue_f getvalue, ui_callback f, void *udata) {
+    QListView *view = new QListView();
+    ListModel *model = new ListModel(obj, view, list, getvalue, f, udata);
+    view->setModel(model);
+    
+    // TODO: observer update
+    
+    QItemSelectionModel *s = view->selectionModel();
+    QObject::connect(
+            s,
+            SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
+            model,
+            SLOT(selectionChanged(const QItemSelection &, const QItemSelection &)));
+    
+    UiContainer *ct = uic_get_current_container(obj); 
+    ct->add(view, true);
+    return view;
+}
+
+UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_model_getvalue_f getvalue, ui_callback f, void *udata) {
+    UiListPtr *listptr = (UiListPtr*)ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListPtr));
+    listptr->list = list;
+    return ui_listview_var(obj, listptr, getvalue, f, udata);
+}
+
+UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_model_getvalue_f getvalue, ui_callback f, void *udata) {
+    UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_LIST);
+    if(var) {
+        UiListVar *value = (UiListVar*)var->value;
+        return ui_listview_var(obj, value->listptr, getvalue, f, udata);
+    } else {
+        // TODO: error
+    }
+    return NULL;
+}
+
+
+UIWIDGET ui_table_var(UiObject *obj, UiListPtr *list, UiModelInfo *modelinfo) {
+    QTreeView *view = new QTreeView();
+    TableModel *model = new TableModel(obj, view, list, modelinfo);
+    view->setModel(model);
+    
+    view->setItemsExpandable(false);
+    view->setRootIsDecorated(false);   
+    
+    // TODO: observer update
+    UiTableView *u = new UiTableView();
+    u->widget = view;
+    u->model = model;
+    list->list->observers = ui_add_observer(
+            list->list->observers,
+            (ui_callback)ui_table_update,
+            u);
+    
+    view->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    QItemSelectionModel *s = view->selectionModel();
+    QObject::connect(
+            s,
+            SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
+            model,
+            SLOT(selectionChanged(const QItemSelection &, const QItemSelection &)));
+    QObject::connect(
+            view,
+            SIGNAL(doubleClicked(const QModelIndex &)),
+            model,
+            SLOT(activate(const QModelIndex &)));
+    
+    
+    UiContainer *ct = uic_get_current_container(obj); 
+    ct->add(view, true);
+    return view;
+}
+
+void ui_table_update(UiEvent *event, UiTableView *view) {
+    // TODO
+    printf("update\n");
+    
+    //view->model->update();
+    view->widget->setModel(NULL);
+    view->widget->setModel(view->model);
+}
+
+UIWIDGET ui_table(UiObject *obj, UiList *list, UiModelInfo *modelinfo) {
+    UiListPtr *listptr = (UiListPtr*)ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListPtr));
+    listptr->list = list;
+    return ui_table_var(obj, listptr, modelinfo);
+}
+
+UIWIDGET ui_table_nv(UiObject *obj, char *varname, UiModelInfo *modelinfo) {
+    UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_LIST);
+    if(var) {
+        UiListVar *value = (UiListVar*)var->value;
+        return ui_table_var(obj, value->listptr, modelinfo);
+    } else {
+        // TODO: error
+    }
+    return NULL;
+}
+