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#![deny(warnings)]
use ultron::editor;
use ultron::editor::Editor;
use ultron::sauron::jss::jss;
use ultron::sauron::prelude::*;
use ultron::sauron::wasm_bindgen::JsCast;
use ultron::sauron::Window;
#[derive(Debug, Clone)]
pub enum Msg {
WindowScrolled((i32, i32)),
EditorMsg(editor::Msg),
Keydown(web_sys::KeyboardEvent),
Mouseup(i32, i32),
Mousedown(i32, i32),
Mousemove(i32, i32),
NoOp,
}
pub struct App {
editor: Editor<Msg>,
}
impl App {
pub fn new() -> Self {
let content = include_str!("../test_data/hello.rs");
App {
editor: Editor::from_str(&content, "rust"),
}
}
}
impl Application<Msg> for App {
fn init(&mut self) -> Cmd<Self, Msg> {
Window::add_event_listeners(vec![
on_scroll(Msg::WindowScrolled),
on_mouseup(|me| Msg::Mouseup(me.client_x(), me.client_y())),
on("keydown", |event| {
let event = event.as_web().expect("must be a web event");
let ke: KeyboardEvent = event
.clone()
.dyn_into()
.expect("unable to cast to keyboard event");
if ke.key() == "Tab" {
event.prevent_default();
event.stop_propagation();
Msg::Keydown(ke.clone());
}
Msg::NoOp
}),
])
}
fn style(&self) -> String {
let lib_css = jss! {
".app": {
display: "flex",
flex: "none",
width: percent(100),
height: percent(100),
},
};
[lib_css, self.editor.style()].join("\n")
}
fn view(&self) -> Node<Msg> {
div(
vec![class("app")],
vec![self.editor.view().map_msg(Msg::EditorMsg)],
)
}
fn update(&mut self, msg: Msg) -> Cmd<Self, Msg> {
match msg {
Msg::WindowScrolled((scroll_top, scroll_left)) => {
log::trace!("scrolled: {},{}", scroll_top, scroll_left);
self.editor.update(editor::Msg::WindowScrolled((
scroll_top,
scroll_left,
)));
Cmd::none()
}
Msg::EditorMsg(emsg) => {
let effects = self.editor.update(emsg);
Cmd::from(effects.localize(Msg::EditorMsg))
}
Msg::Mouseup(client_x, client_y) => {
self.editor.update(editor::Msg::Mouseup(client_x, client_y));
Cmd::none().measure()
}
Msg::Mousedown(client_x, client_y) => {
let effects = self
.editor
.update(editor::Msg::Mousedown(client_x, client_y));
Cmd::from(effects.localize(Msg::EditorMsg)).measure()
}
Msg::Mousemove(client_x, client_y) => {
self.editor
.update(editor::Msg::Mousemove(client_x, client_y));
Cmd::none().no_render()
}
Msg::Keydown(ke) => {
self.editor.update(editor::Msg::Keydown(ke));
Cmd::none().measure()
}
Msg::NoOp => Cmd::none().no_render(),
}
}
fn measurements(&self, measurements: Measurements) -> Cmd<Self, Msg> {
Cmd::new(move |program| {
program.dispatch(Msg::EditorMsg(editor::Msg::SetMeasurement(
measurements.clone(),
)))
})
.no_render()
}
}
#[cfg(target_arch = "wasm32")]
#[cfg(feature = "wee_alloc")]
#[global_allocator]
static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
#[cfg(target_arch = "wasm32")]
#[wasm_bindgen(start)]
pub fn main() {
console_log::init_with_level(log::Level::Trace).unwrap();
console_error_panic_hook::set_once();
log::trace!("starting ultron..");
Program::mount_to_body(App::new());
}