|  |  |  | Libglade Reference Manual |  | 
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As some widgets do not implement properties for all required properties. This section documents some of the exceptions built into libglade's logic.
The following properties have custom handlers in libglade. Most of these will probably become real properties in GTK+ 2.2.
GtkWidget::visible is handled
	  specially so that it gets applied after children have been
	  added.  This works around some sizing bugs in certain
	  widgets (and is the same behaviour libglade-0.x had).
GtkWidget::tooltip implements
	  tooltips for the widget.  The property value is the tooltip
	  to set on the widget.
GtkOptionMenu::history sets
	  which menu item index in the list should be selected
	  initially with
	  gtk_option_menu_set_history().
GtkTextView::text offers an
	  easy way to set the contents of a text view's buffer.
GtkCallendar::display_options
	  sets display options of a calendar with
	  gtk_calendar_display_options().
GtkRadioMenuItem::group sets
	  the group for the radio item.  The property value is the
	  name of another widget in the group.  This property won't
	  handle forward references like the
	  GtkRadioButton::group
	  property.
GtkToolbar::tooltips sets
	  whether the toolbar shows tooltips with
	  gtk_toolbar_set_tooltips().
GtkStatusbar::has_resize_grip
	  sets whether the status bar has a resize grip in the bottom
	  corner with
	  gtk_statusbar_set_has_resize_grip().
GtkRuler::metric sets the
	  bounds and metric type for the ruler with
	  gtk_ruler_set_metric().
GtkMenuItem::label,
	  GtkMenuItem::use_underline and
	  GtkMenuItem::use_stock are used to
	  create a label inside a menu item, and set whether it has a
	  mnemonic (underlined letter), and whether it should be a
	  stock item (standardised, translated label and an icon, if
	  it is a GtkImageMenuItem).  These properties act similarly
	  to the identically named GtkButton
	  properties.
There are custom handlers for a number of deprecated widgets, and deprecated settings for some widgets. These most likely won't be converted to real properties in the future. These include:
| GtkPixmap::build_insensitive | 
| GtkPixmap::filename | 
| GtkProgress::format | 
| GtkCalendar::display_options | 
| GtkCList::column_widths | 
| GtkCList::selection_mode | 
| GtkCList::shadow_type | 
| GtkCList::show_titles | 
| GtkTree::selection_mode | 
| GtkTree::view_mode | 
| GtkTree::view_line | 
| GtkList::selection_mode | 
| GtkCheckMenuItem::always_show_toggle | 
| GtkText::text | 
XXXX - To be done