diff -r 7e7c05af8f3a -r 634e3ce80afe ui/gtk/container.c
--- a/ui/gtk/container.c	Wed Oct 09 21:43:11 2024 +0200
+++ b/ui/gtk/container.c	Sun Oct 13 11:05:38 2024 +0200
@@ -361,6 +361,7 @@
 }
 
 
+#if GTK_MAJOR_VERSION >= 4
 static int stack_set_page(GtkWidget *stack, int index) {
     GtkSelectionModel *pages = gtk_stack_get_pages(GTK_STACK(stack));
     GListModel *list = G_LIST_MODEL(pages);
@@ -416,6 +417,65 @@
         i->value = value;
     }
 }
+#elif GTK_MAJOR_VERSION >= 3
+static GtkWidget* stack_get_child(GtkWidget *stack, int index) {
+    GList *children = gtk_container_get_children(GTK_CONTAINER(stack));
+    if(children) {
+        return g_list_nth_data(children, index);
+    }
+    return NULL;
+}
+
+void ui_stack_tab_select(UIWIDGET tabview, int tab) {
+    GtkWidget *child = stack_get_child(tabview, tab);
+    if(child) {
+        gtk_stack_set_visible_child(GTK_STACK(tabview), child);
+    }
+}
+
+void ui_stack_tab_remove(UIWIDGET tabview, int tab) {
+    GtkWidget *child = stack_get_child(tabview, tab);
+    if(child) {
+        gtk_container_remove(GTK_CONTAINER(tabview), child);
+    }
+}
+
+void ui_stack_tab_add(UIWIDGET widget, int index, const char *name, UIWIDGET child) {
+    gtk_stack_add_titled(GTK_STACK(widget), child, name, name);
+}
+
+int64_t ui_stack_get(UiInteger *i) {
+    GtkWidget *visible = gtk_stack_get_visible_child(GTK_STACK(i->obj));
+    GList *children = gtk_container_get_children(GTK_CONTAINER(i->obj));
+    GList *elm = children;
+    int n = 0;
+    int64_t v = -1;
+    while(elm) {
+        GtkWidget *child = elm->data;
+        if(child == visible) {
+            v = n;
+            break;
+        }
+        
+        elm = elm->next;
+        n++;
+    }
+    g_list_free(children);
+    i->value = v;
+    return v;
+}
+
+void ui_stack_set(UiInteger *i, int64_t value) {
+    GtkWidget *child = stack_get_child(i->obj, value);
+    if(child) {
+        gtk_stack_set_visible_child(GTK_STACK(i->obj), child);
+        i->value = value;
+    }
+}
+
+#endif
+
+
 
 
 UiGtkTabView* ui_widget_get_tabview_data(UIWIDGET tabview) {
@@ -464,6 +524,7 @@
         }
         case UI_TABVIEW_DEFAULT: /* fall through */
         case UI_TABVIEW_NAVIGATION_TOP: /* fall through */
+        case UI_TABVIEW_INVISIBLE: /* fall through */
         case UI_TABVIEW_NAVIGATION_TOP2: {
             widget = gtk_notebook_new();
             data_widget = widget;
@@ -472,11 +533,10 @@
             data->add_tab = ui_notebook_tab_add;
             getfunc = ui_notebook_get;
             setfunc = ui_notebook_set;
-            /* fall through */
-        }
-        case UI_TABVIEW_INVISIBLE: {
-            gtk_notebook_set_show_tabs(GTK_NOTEBOOK(widget), FALSE);
-            gtk_notebook_set_show_border(GTK_NOTEBOOK(widget), FALSE);
+            if(args.tabview == UI_TABVIEW_INVISIBLE) {
+                gtk_notebook_set_show_tabs(GTK_NOTEBOOK(widget), FALSE);
+                gtk_notebook_set_show_border(GTK_NOTEBOOK(widget), FALSE);
+            }
             break;
         }
     }