Struct nannou::ui::input::state::mouse::ButtonMap

pub struct ButtonMap { /* fields omitted */ }

Stores the state of all mouse buttons.

If the mouse button is down, it stores the position of the mouse when the button was pressed

Methods

impl ButtonMap

pub fn new() -> ButtonMap

Returns a new button map with all states set to None

pub fn relative_to(self, xy: [f64; 2]) -> ButtonMap

Returns a copy of the ButtonMap relative to the given Point

pub fn left(&self) -> &ButtonPosition

The state of the left mouse button.

pub fn middle(&self) -> &ButtonPosition

The state of the middle mouse button.

pub fn right(&self) -> &ButtonPosition

The state of the right mouse button.

pub fn press(
    &mut self,
    button: MouseButton,
    xy: [f64; 2],
    widget: Option<NodeIndex<u32>>
)

Sets the Button in the Down position.

pub fn release(&mut self, button: MouseButton)

Set's the Button in the Up position.

Important traits for PressedButtons<'a>

impl<'a> Iterator for PressedButtons<'a> type Item = (MouseButton, [f64; 2], Option<NodeIndex<u32>>);

pub fn pressed(&self) -> PressedButtons

An iterator yielding all pressed mouse buttons along with the location at which they were originally pressed.

Trait Implementations

impl Debug for ButtonMap

fn fmt(&self, f: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.

impl Index<MouseButton> for ButtonMap

type Output = ButtonPosition

The returned type after indexing.

fn index(
    &self,
    button: MouseButton
) -> &<ButtonMap as Index<MouseButton>>::Output

Performs the indexing (container[index]) operation.

impl PartialEq<ButtonMap> for ButtonMap

fn eq(&self, other: &ButtonMap) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &ButtonMap) -> bool

This method tests for !=.

impl Copy for ButtonMap

impl Clone for ButtonMap

fn clone(&self) -> ButtonMap

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.