How To Set Focus For Tkinter Widget?

I have a simple Python + Tkinter application that displays a list of 10 items: import Tkinter, ttk list = ttk.Treeview( Tkinter.Tk() ) list.pack( fill = Tkinter.BOTH, expand = 1 )

Solution 1:

Found a solution at last - seems that Treeview widget need to be set focus two times: first for the widget itself, and second for an item:

list.selection_set( items[ 0 ] )
list.focus_set()
list.focus( items[ 0 ] ) # this fixes a problem.