Struct Resolver 

pub struct Resolver {
    latest: Option<Pos2>,
    acted: Option<Pos2>,
    over: Over,
    press: Option<Pressed>,
    last_click: Option<Click>,
}

The state one pointer carries between frames.

Fields

latest: Option<Pos2>

Where the pointer was last seen, while it is seen at all.

acted: Option<Pos2>

Where it last acted — a position a gesture is reported at, kept after the pointer is gone so a drag can end off the canvas.

over: Over

press: Option<Pressed>

last_click: Option<Click>

Implementations

impl Resolver

pub fn latest(&self) -> Option<Pos2>

Where the pointer is, in screen space, while it is over the canvas.

pub fn resolve( &mut self, input: &Input, now: Duration, vantage: Vantage, origin: Pos2, ) -> Interaction

One frame: take the raw events in order and answer with what the tools see, positions mapped into world space through vantage at origin. now is the frame’s clock, which dates a press and a click.

fn released( &mut self, press: Pressed, pos: Pos2, now: Duration, ) -> Option<Event>

What letting go comes to: a click, a double-click, the end of a drag — or nothing, for a press that strayed in the frame it ended.

fn dragged(&mut self, before: Option<Pos2>, now: Duration) -> Option<Event>

The drag a held press is, this frame: the frame it stops being a possible click it starts, at the press’s own origin; every frame after, it moves by what the pointer moved since the last frame.

Trait Implementations

impl Debug for Resolver

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

Formats the value using the given formatter.

impl Default for Resolver

fn default() -> Self

Returns the “default value” for a type.