2.5.1: Gtk: * AboutDialog: - Added more get and set methods and properties. - Wrapped signals. * ActionGroup: Added translate_string(). * Added CellRendererCombo, with example. * Added CellRendererProgress. * Clipboard: Added set_image(), wait_is_image_available(), wait_for_image(), request_image(), wait_is_target_available(), set_can_store(), and store() * ComboBoxEntry: Added get_entry(). * ComboBoxText: Added set_active_text(), clear(). * Dialog: Added alternative_button_order(). * FileChooser: Added FileChooserError exception class. * FileChooserButton: Added get/set_width_chars(). * FileFilter: Added add_pixbuf_formats(). * IconTheme: - Added get_icon_sizes(). - Added IconThemeError exception class. * IconView: - Added get_selected_items(), foreach(). - Added set_text_column(), and set_pixbuf_column() overrides that take ModelColumns instead of ints. - Wrapped signals. * Image: Added set_from_icon_name(), get/set_pixel_size(), get_icon_name(). * Label: Added set/get_single_line_mode(), get/set_width_chars(). * MessageDialog: Added set_secondary_text(). * Added MenuToolButton. * PixbufLoader: Added size_prepared signal. * ProgressBar: Added set/get_ellipsize(). * SelectionData: Added targets_include_image(), get/set_pixbuf(), and get/set_uris(). * Style: Added create() method. * Widget: Made set_parent(), and unparent() public instead of protected. Added a size_request() overload which is const and returns a value. * Window: Added drag_dest_add_text_targets(), drag_dest_add_uri_targets(), drag_dest_add_image_targets(), drag_source_add_text_targets(), drag_source_add_uri_targets(), and drag_source_add_image_targets(). Pango: * Context: Added get_font_map(). * Documentation: - Partly-updated "input" example. Bug - Added IconView and CellRendererCombo examples. (Murray Cumming)