input_pipeline::mouse_binding

Function get_u32_from_buttons

Source 
pub fn get_u32_from_buttons(buttons: &HashSet<MouseButton>) -> u32
Expand description

Returns a u32 representation of buttons, where each u8 of buttons is an id of a button and indicates the position of a bit to set.

This supports hashsets with numbers from 1 to fidl_input_report::MOUSE_MAX_NUM_BUTTONS.

§Parameters

  • buttons: The hashset containing the position of bits to be set.

§Example

let bits = get_u32_from_buttons(&HashSet::from_iter(vec![1, 3, 5]).into_iter());
assert_eq!(bits, 21 /* ...00010101 */)