Struct MagnetFeedback 

#[non_exhaustive]
pub struct MagnetFeedback {
    pub zoom: f32,
    pub markers: Vec<MagnetMarker>,
    pub connector: Option<(Point, Point, bool)>,
}

Everything the magnetism feedback renderer needs for one frame, in scene coordinates (the canvas is already in the view-transform scope). The built-in renderer draws markers plus a connector; a custom MagnetismConfig::feedback closure receives the same data.

#[non_exhaustive]: the crate hands this to consumer code — it is the argument of a custom feedback renderer, and the set grows with every cue magnetism learns to draw. Build one with new.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

zoom: f32

The view’s current geometric zoom, so the renderer can size constant-pixel chrome as pixels / zoom in scene units.

markers: Vec<MagnetMarker>

Eligible magnets to mark, with their per-frame state.

connector: Option<(Point, Point, bool)>

A connector to draw between two scene points, if an interaction is forming one: the active item-drag snap pair, the port-drag wire (source to snapped target or cursor), or the keyboard preview (pending source to focused candidate). true in the second field marks an accepted connector (drawn solid / highlighted) versus a tentative one (the free port-drag wire).

Implementations

impl MagnetFeedback

pub fn new( zoom: f32, markers: Vec<MagnetMarker>, connector: Option<(Point, Point, bool)>, ) -> Self

A frame of feedback stated field by field — the constructor #[non_exhaustive] takes the place of a struct literal for.

Trait Implementations

impl Clone for MagnetFeedback

fn clone(&self) -> MagnetFeedback

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MagnetFeedback

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

Formats the value using the given formatter.