diff -r 64ded9f6a6c6 -r 6606616eca9f ui/gtk/widget.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/widget.c	Sat Apr 05 16:46:11 2025 +0200
@@ -0,0 +1,60 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2025 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 "widget.h"
+#include "container.h"
+
+#include "../common/object.h"
+
+UIEXPORT UIWIDGET ui_customwidget_create(UiObject *obj, ui_createwidget_func create_widget, void *userdata, UiWidgetArgs args) {
+    UiObject* current = uic_current_obj(obj);
+    
+    UIWIDGET widget = create_widget(obj, args, userdata);
+    
+    UI_APPLY_LAYOUT1(current, args);
+    current->container->add(current->container, widget, FALSE);
+    
+    return widget;
+}
+
+UIWIDGET ui_separator_create(UiObject *obj, UiWidgetArgs *args) {
+    UiObject* current = uic_current_obj(obj);
+    GtkWidget *widget = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
+    ui_set_name_and_style(widget, args->name, args->style_class);
+    UI_APPLY_LAYOUT1(current, (*args));
+    current->container->add(current->container, widget, FALSE);
+    return widget;
+}
+
+void ui_widget_set_size(UIWIDGET w, int width, int height) {
+    gtk_widget_set_size_request(w, width, height);
+}
+
+void ui_widget_redraw(UIWIDGET w) {
+    gtk_widget_queue_draw(w);
+}