fn with_button_context<R, F: FnOnce(&GtkStyleContext) -> R>(
renderer: EekRenderer,
button: &Button,
pressed: PressType,
locked: LockedStyle,
operation: F,
) -> R
fn with_button_context<R, F: FnOnce(&GtkStyleContext) -> R>(
renderer: EekRenderer,
button: &Button,
pressed: PressType,
locked: LockedStyle,
operation: F,
) -> R