Files
osui/src/frontend.rs
T

59 lines
1.5 KiB
Rust

use std::sync::Arc;
use crate::{
state::DependencyHandler,
widget::{Widget, WidgetLoad},
Screen,
};
pub enum RsxElement {
Element(
Box<dyn FnMut() -> WidgetLoad + Send + Sync>,
Vec<Box<dyn DependencyHandler>>,
Rsx,
),
}
pub struct Rsx(pub Vec<RsxElement>);
impl Rsx {
pub fn draw(self, screen: &Arc<Screen>) {
self.draw_parent(screen, None);
}
pub fn draw_parent(self, screen: &Arc<Screen>, parent: Option<Arc<Widget>>) {
for rsx_elem in self.0 {
match rsx_elem {
RsxElement::Element(f, dep, child) => {
let w = if let Some(parent) = &parent {
let w = screen.draw_box(f);
parent.0.lock().unwrap().draw_child(&w);
w
} else {
screen.draw_box(f)
};
for d in dep {
w.dependency_box(d);
}
child.draw_parent(screen, Some(w.clone()));
}
}
}
}
pub fn create_element<F: FnMut() -> WidgetLoad + Send + Sync + 'static>(
&mut self,
load: F,
dependencies: Vec<Box<dyn DependencyHandler>>,
children: Rsx,
) {
self.0
.push(RsxElement::Element(Box::new(load), dependencies, children));
}
pub fn expand(&mut self, other: &mut Rsx) {
self.0.append(&mut other.0);
}
}