get_surrounding_text

Description:

public void get_surrounding_text (out unowned Text text, out uint cursor_pos, out uint anchor_pos)

Get surrounding text.

It is also used to tell the input-context that the engine will utilize surrounding-text. In that case, it must be called in enable handler, with both text and cursor set to null.

Parameters:

this	An IBusEngine.
text	Location to store surrounding text.
cursor_pos	Cursor position in characters in `text`.
anchor_pos	Anchor position of selection in `text`.