True False 5 Choose a Layout True center-on-parent dialog True False vertical 2 True False end Preview True True True False False False 0 True gtk-cancel True True True False False True False False end 1 gtk-add True True True False False True False False end 2 True False 5 6 True False 6 True False 0 Select an input source to add False False 0 True True never etched-in 450 250 True True filtered_layout_list_model False 0 0 True True 1 True True 0 True True • False False end 1 True True 1 btnPreview btnOk btnCancel