InsetCollapsable::InsetCollapsable(bool collapsed)
: UpdatableInset(), collapsed_(collapsed),
button_length(0), button_top_y(0), button_bottom_y(0),
InsetCollapsable::InsetCollapsable(bool collapsed)
: UpdatableInset(), collapsed_(collapsed),
button_length(0), button_top_y(0), button_bottom_y(0),