Struct MouseFocusUpdateSystem

pub struct MouseFocusUpdateSystem { /* private fields */ }

A system which reads Events and saves if a window has lost focus in a WindowFocus resource

Implementations

impl MouseFocusUpdateSystem

pub fn new(event_reader: ReaderId<Event>) -> Self

Constructs a new MouseFocusUpdateSystem.

Trait Implementations

impl Debug for MouseFocusUpdateSystem

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

Formats the value using the given formatter.

impl<'a> System<'a> for MouseFocusUpdateSystem

type SystemData = (Read<'a, EventChannel<Event>>, Write<'a, WindowFocus>)

The resource bundle required to execute this system.

fn run(&mut self, (events, focus): Self::SystemData)

Executes the system with the required system data.

fn running_time(&self) -> RunningTime

Returns a hint how long the system needs for running. This is used to optimize the way they’re executed (might allow more parallelization).

fn accessor<'b>(&'b self) -> AccessorCow<'a, 'b, Self>

Return the accessor from the SystemData.

fn setup(&mut self, world: &mut World)

Sets up the World using Self::SystemData::setup.

fn dispose(self, world: &mut World)

where Self: Sized,

Performs clean up that requires resources from the World. This commonly removes components from world which depend on external resources.

impl<'system_desc_a, 'system_desc_b> SystemDesc<'system_desc_a, 'system_desc_b, MouseFocusUpdateSystem> for MouseFocusUpdateSystemDesc

fn build(self, world: &mut World) -> MouseFocusUpdateSystem

Builds and returns a System.