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use crate::canvas::{Event, Geometry, Size};
use iced_native::MouseCursor;
pub trait Program<Message> {
fn update(&mut self, _event: Event, _bounds: Size) -> Option<Message> {
None
}
fn draw(&self, bounds: Size) -> Vec<Geometry>;
fn mouse_cursor(&self, _bounds: Size) -> MouseCursor {
MouseCursor::default()
}
}
impl<T, Message> Program<Message> for &mut T
where
T: Program<Message>,
{
fn update(&mut self, event: Event, bounds: Size) -> Option<Message> {
T::update(self, event, bounds)
}
fn draw(&self, bounds: Size) -> Vec<Geometry> {
T::draw(self, bounds)
}
fn mouse_cursor(&self, bounds: Size) -> MouseCursor {
T::mouse_cursor(self, bounds)
}
}
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