Files
dioxus/packages/dioxus-tui/examples/colorpicker.rs
T
Exotik850 fc31876a57 Wasm target check before build (#1689)
* Add `rustup show` check for wasm32 target

* better place for check

* fmt

* clippy fmt
2023-12-07 12:35:16 -06:00

36 lines
1.3 KiB
Rust

use dioxus::core::RenderReturn;
use dioxus::prelude::*;
use dioxus_tui::DioxusElementToNodeId;
use dioxus_tui::Query;
use dioxus_tui::Size;
fn main() {
dioxus_tui::launch(app);
}
fn app(cx: Scope) -> Element {
let hue = use_state(cx, || 0.0);
let brightness = use_state(cx, || 0.0);
let tui_query: Query = cx.consume_context().unwrap();
let mapping: DioxusElementToNodeId = cx.consume_context().unwrap();
// disable templates so that every node has an id and can be queried
cx.render(rsx! {
div {
width: "100%",
background_color: "hsl({hue}, 70%, {brightness}%)",
onmousemove: move |evt| {
if let RenderReturn::Ready(node) = cx.root_node() {
if let Some(id) = node.root_ids.borrow().first().cloned() {
let node = tui_query.get(mapping.get_node_id(id).unwrap());
let Size { width, height } = node.size().unwrap();
let pos = evt.inner().element_coordinates();
hue.set((pos.x as f32 / width as f32) * 255.0);
brightness.set((pos.y as f32 / height as f32) * 100.0);
}
}
},
"hsl({hue}, 70%, {brightness}%)"
}
})
}