All widget option objects have the following properties: (type, rectangle, mouse_state, has_focus, is_toggled, border_size, colours).

Extra properties are indicated in ().

1. Simple Widgets

button (is_default)
checkbox ()
radiobutton ()
entry ()
url_entry (progress)
text_box ()
expander ()
tooltip (tip_point_position)
resize_separator (orientation)
progress_bar (value, progress_direction)

2. Complex Widgets

window_border ()
window_title_bar ()
window_button (button_type, position)
window_resize_grip (direction)

menu ()
menu_item (position)
menu_item_check ()
menu_item_radio ()
menu_item_separator (position)

menu_bar ()
menu_bar_item (menu_rectangle)

scrollbar_stepper (direction, position)
scrollbar_trough ()
scrollbar_slider (position)

slider_handle (position)
slider_trough ()

toolbar_background (orientation, position, handle_position)
toolbar_separator (orientation, position)
toolbar_button (orientation, position)
toolbar_handle (orientation, position)

treeview_border ()
treeview_header (position)
treeview_selection (selection_position)
treeview_expander (state)
treeview_tree_line (start, end)

notebook_tab (position, orientation)
notebook_border (active_tab_position)

combobox_entry (button_position)
combobox_button (entry_position)
combobox_border ()

spinbutton_entry ()
spinbutton_button (direction)
spinbutton_border ()

statusbar_border ()
statuebar_section ()

infobar (?)

3. Generic

shadow
line
arrow
text (state)