new file mode 100644
--- /dev/null
+++ b/src/gui_gtk_f.h
@@ -0,0 +1,83 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved		by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ */
+
+#ifndef __GTK_FORM_H__
+#define __GTK_FORM_H__
+
+#ifdef VMS
+# include "gui_gtk_vms.h"
+#endif
+
+#include <gdk/gdk.h>
+#include <gtk/gtkcontainer.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GTK_TYPE_FORM		       (gtk_form_get_type ())
+#define GTK_FORM(obj)		       (GTK_CHECK_CAST ((obj), GTK_TYPE_FORM, GtkForm))
+#define GTK_FORM_CLASS(klass)	       (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_FORM, GtkFormClass))
+#define GTK_IS_FORM(obj)	       (GTK_CHECK_TYPE ((obj), GTK_TYPE_FORM))
+#define GTK_IS_FORM_CLASS(klass)       (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FORM))
+
+
+typedef struct _GtkForm GtkForm;
+typedef struct _GtkFormClass GtkFormClass;
+
+struct _GtkForm
+{
+    GtkContainer container;
+
+    GList *children;
+
+    guint width;
+    guint height;
+
+    GdkWindow *bin_window;
+
+    GdkVisibilityState visibility;
+    gulong configure_serial;
+
+    gint freeze_count;
+};
+
+struct _GtkFormClass
+{
+    GtkContainerClass parent_class;
+};
+
+GtkType gtk_form_get_type(void);
+
+GtkWidget *gtk_form_new(void);
+
+void gtk_form_put(GtkForm * form, GtkWidget * widget,
+	gint x, gint y);
+
+void gtk_form_move(GtkForm *form, GtkWidget * widget,
+	gint x, gint y);
+
+void gtk_form_move_resize(GtkForm * form, GtkWidget * widget,
+	gint x, gint y,
+	gint w, gint h);
+void gtk_form_set_size(GtkForm * form, guint width, guint height);
+
+/* These disable and enable moving and repainting respectively.  If you
+ * want to update the layout's offsets but do not want it to repaint
+ * itself, you should use these functions.
+ */
+
+void gtk_form_freeze(GtkForm *form);
+void gtk_form_thaw(GtkForm *form);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif	/* __GTK_FORM_H__ */