Trait InteractiveChart 

pub trait InteractiveChart<C: PixelColor>: Chart<C> {
    type Event;
    type Response;

    // Required methods
    fn handle_event(
        &mut self,
        event: Self::Event,
        viewport: Rectangle,
    ) -> ChartResult<Self::Response>;
    fn hit_test(
        &self,
        point: Point,
        viewport: Rectangle,
    ) -> Option<Self::Response>;
}

Trait for charts that support interaction

Required Associated Types

type Event

Event type for interactions

type Response

Response type for interactions

Required Methods

fn handle_event( &mut self, event: Self::Event, viewport: Rectangle, ) -> ChartResult<Self::Response>

Handle an interaction event

Arguments

• event - The interaction event
• viewport - The chart viewport

fn hit_test(&self, point: Point, viewport: Rectangle) -> Option<Self::Response>

Check if a point is within an interactive area

Arguments

• point - The point to check
• viewport - The chart viewport

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors