2009-01-16 Claudio Saavedra <csaavedra@igalia.com>

2009-01-16 Claudio Saavedra <csaavedra@igalia.com>

Based on a patch by Alejandro Pinheiro (apinheiro@igalia.com) and
	Alejandro G. Castro  (alex@igalia.com)

	* src/hildon-touch-selector.c:
	(_create_new_column): Do not connect to the "realize" signal of	the
	pannable area.
	(hildon_touch_selector_append_column): center on the selected items
	when a new column is appended.
	(hildon_touch_selector_select_iter): Factor out the code to select a
	column to hildon_touch_selector_scroll_to().
	(+search_nearest_element): Method to retrieve the nearest selected
	element to the visible area of the pannable area in a column.
	(+on_realize_cb): scroll to the initially selected item.
	(+hildon_touch_selector_scroll_to): Scroll to the given GtkTreePath if
	the pannable area is realized, otherwise delay this until it is.
	(+_hildon_touch_selector_center_on_selected_items): Centers on the
	selected items of a given column.
	(+hildon_touch_selector_center_on_selected): Public method to center
	all columns on the nearest selected item.
	* src/hildon-touch-selector.h: Add definition for
	hildon_touch_selector_center_on_selected().

	Implement public API to ensure visibility of all selected items in
	a HildonTouchSelector.