diff -r ef01d2c90128 -r 473954dc6b74 ui/gtk/headerbar.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/headerbar.h	Sun Sep 29 13:32:51 2024 +0200
@@ -0,0 +1,75 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2024 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.
+ */
+
+#ifndef HEADERBAR_H
+#define HEADERBAR_H
+
+#include "toolkit.h"
+#include "../ui/toolbar.h"
+#include "../common/toolbar.h"
+#include <cx/list.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if GTK_MAJOR_VERSION >= 3
+    
+void ui_fill_headerbar(UiObject *obj, GtkWidget *headerbar);
+
+void ui_headerbar_add_items(UiObject *obj, GtkWidget *headerbar, CxList *items, enum UiToolbarPos pos);
+
+void ui_add_headerbar_item(
+        GtkWidget *headerbar,
+        GtkWidget *box,
+        UiToolbarItem *item,
+        UiObject *obj,
+        enum UiToolbarPos pos);
+
+void ui_add_headerbar_toggleitem(
+        GtkWidget *headerbar,
+        GtkWidget *box,
+        UiToolbarToggleItem *item,
+        UiObject *obj,
+        enum UiToolbarPos pos);
+
+void ui_add_headerbar_menu(
+        GtkWidget *headerbar,
+        GtkWidget *box,
+        UiToolbarMenuItem *item,
+        UiObject *obj,
+        enum UiToolbarPos pos);
+    
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADERBAR_H */
+