mirror of
https://github.com/DioxusLabs/dioxus
synced 2024-12-18 16:43:21 +00:00
108 lines
6 KiB
Rust
108 lines
6 KiB
Rust
use dioxus::prelude::*;
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fn main() {
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dioxus_desktop::launch(app);
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}
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fn app(cx: Scope) -> Element {
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let mut count = use_state(cx, || 0);
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cx.render(
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// rsx expands to LazyNodes::new
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::dioxus::core::LazyNodes::new(
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move |__cx: &::dioxus::core::ScopeState| -> ::dioxus::core::VNode {
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// The template is every static part of the rsx
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static TEMPLATE: ::dioxus::core::Template = ::dioxus::core::Template {
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// This is the source location of the rsx that generated this template. This is used to make hot rsx reloading work. Hot rsx reloading just replaces the template with a new one generated from the rsx by the CLI.
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name: "examples\\readme.rs:14:15:250",
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// The root nodes are the top level nodes of the rsx
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roots: &[
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// The h1 node
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::dioxus::core::TemplateNode::Element {
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// Find the built in h1 tag in the dioxus_elements crate exported by the dioxus html crate
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tag: dioxus_elements::h1::TAG_NAME,
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namespace: dioxus_elements::h1::NAME_SPACE,
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attrs: &[],
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// The children of the h1 node
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children: &[
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// The dynamic count text node
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// Any nodes that are dynamic have a dynamic placeholder with a unique index
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::dioxus::core::TemplateNode::DynamicText {
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// This index is used to find what element in `dynamic_nodes` to use instead of the placeholder
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id: 0usize,
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},
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],
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},
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// The up high button node
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::dioxus::core::TemplateNode::Element {
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tag: dioxus_elements::button::TAG_NAME,
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namespace: dioxus_elements::button::NAME_SPACE,
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attrs: &[
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// The dynamic onclick listener attribute
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// Any attributes that are dynamic have a dynamic placeholder with a unique index.
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::dioxus::core::TemplateAttribute::Dynamic {
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// Similar to dynamic nodes, dynamic attributes have a unique index used to find the attribute in `dynamic_attrs` to use instead of the placeholder
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id: 0usize,
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},
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],
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children: &[::dioxus::core::TemplateNode::Text { text: "Up high!" }],
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},
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// The down low button node
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::dioxus::core::TemplateNode::Element {
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tag: dioxus_elements::button::TAG_NAME,
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namespace: dioxus_elements::button::NAME_SPACE,
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attrs: &[
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// The dynamic onclick listener attribute
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::dioxus::core::TemplateAttribute::Dynamic { id: 1usize },
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],
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children: &[::dioxus::core::TemplateNode::Text { text: "Down low!" }],
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},
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],
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// Node paths is a list of paths to every dynamic node in the rsx
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node_paths: &[
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// The first node path is the path to the dynamic node with an id of 0 (the count text node)
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&[
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// Go to the index 0 root node
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0u8,
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//
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// Go to the first child of the root node
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0u8,
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],
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],
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// Attr paths is a list of paths to every dynamic attribute in the rsx
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attr_paths: &[
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// The first attr path is the path to the dynamic attribute with an id of 0 (the up high button onclick listener)
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&[
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// Go to the index 1 root node
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1u8,
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],
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// The second attr path is the path to the dynamic attribute with an id of 1 (the down low button onclick listener)
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&[
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// Go to the index 2 root node
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2u8,
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],
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],
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};
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// The VNode is a reference to the template with the dynamic parts of the rsx
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::dioxus::core::VNode {
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parent: Default::default(),
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key: None,
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// The static template this node will use. The template is stored in a Cell so it can be replaced with a new template when hot rsx reloading is enabled
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template: std::cell::Cell::new(TEMPLATE),
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root_ids: dioxus::core::exports::bumpalo::collections::Vec::new_in(__cx.bump())
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.into(),
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dynamic_nodes: __cx.bump().alloc([
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// The dynamic count text node (dynamic node id 0)
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__cx.text_node(format_args!("High-Five counter: {0}", count)),
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]),
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dynamic_attrs: __cx.bump().alloc([
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// The dynamic up high button onclick listener (dynamic attribute id 0)
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dioxus_elements::events::onclick(__cx, move |_| count += 1),
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// The dynamic down low button onclick listener (dynamic attribute id 1)
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dioxus_elements::events::onclick(__cx, move |_| count -= 1),
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]),
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}
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},
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),
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)
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}
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