<?xml version="1.0"?> <GTK-Interface> <widget> <class>GtkWindow</class> <name>HelloWindow</name> <border_width>5</border_width> <Signal> <name>destroy</name> <handler>gtk_main_quit</handler> </Signal> <title>Hello</title> <type>GTK_WINDOW_TOPLEVEL</type> <position>GTK_WIN_POS_NONE</position> <allow_shrink>True</allow_shrink> <allow_grow>True</allow_grow> <auto_shrink>False</auto_shrink> <widget> <class>GtkButton</class> <name>Hello World</name> <can_focus>True</can_focus> <Signal> <name>clicked</name> <handler>gtk_widget_destroy</handler> <object>HelloWindow</object> </Signal> <label>Hello World</label> </widget> </widget> </GTK-Interface>