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update color picker example

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This commit is contained in:
Evan Almloff 2022-12-05 20:37:55 -06:00
parent 57ef56511c
commit f10d47b53d
1 changed files with 10 additions and 8 deletions
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18
packages/tui/examples/tui_colorpicker.rs
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@ -1,5 +1,5 @@
use dioxus::core_macro::rsx_without_templates;
use dioxus::prelude::*;
use dioxus::core::RenderReturn;
use dioxus_tui::query::Query;
use dioxus_tui::Size;
@ -10,18 +10,20 @@ fn main() {
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 tui_query: &Query = cx.consume_context().unwrap();
// disable templates so that every node has an id and can be queried
cx.render(rsx_without_templates! {
cx.render(rsx! {
div{
width: "100%",
background_color: "hsl({hue}, 70%, {brightness}%)",
onmousemove: move |evt| {
let node = tui_query.get(cx.root_node().mounted_id());
let Size{width, height} = node.size().unwrap();
let pos = evt.data.element_coordinates();
hue.set((pos.x as f32/width as f32)*255.0);
brightness.set((pos.y as f32/height as f32)*100.0);
if let RenderReturn::Sync(Ok(node))=cx.root_node(){
let node = tui_query.get(node.root_ids[0].get());
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}%)",
}