341 lines
11 KiB
Rust
341 lines
11 KiB
Rust
#![doc = include_str!("readme.md")]
|
|
#![doc(html_logo_url = "https://avatars.githubusercontent.com/u/79236386")]
|
|
#![doc(html_favicon_url = "https://avatars.githubusercontent.com/u/79236386")]
|
|
#![deny(missing_docs)]
|
|
|
|
mod cfg;
|
|
mod desktop_context;
|
|
mod escape;
|
|
mod eval;
|
|
mod events;
|
|
mod protocol;
|
|
mod shortcut;
|
|
mod waker;
|
|
mod webview;
|
|
|
|
pub use cfg::Config;
|
|
pub use desktop_context::{
|
|
use_window, use_wry_event_handler, DesktopContext, WryEventHandler, WryEventHandlerId,
|
|
};
|
|
use desktop_context::{EventData, UserWindowEvent, WebviewQueue, WindowEventHandlers};
|
|
use dioxus_core::*;
|
|
use dioxus_html::HtmlEvent;
|
|
pub use eval::{use_eval, EvalResult};
|
|
use futures_util::{pin_mut, FutureExt};
|
|
use shortcut::ShortcutRegistry;
|
|
pub use shortcut::{use_global_shortcut, ShortcutHandle, ShortcutId, ShortcutRegistryError};
|
|
use std::collections::HashMap;
|
|
use std::rc::Rc;
|
|
use std::task::Waker;
|
|
pub use tao::dpi::{LogicalSize, PhysicalSize};
|
|
use tao::event_loop::{EventLoopProxy, EventLoopWindowTarget};
|
|
pub use tao::window::WindowBuilder;
|
|
use tao::{
|
|
event::{Event, StartCause, WindowEvent},
|
|
event_loop::{ControlFlow, EventLoop},
|
|
};
|
|
pub use wry;
|
|
pub use wry::application as tao;
|
|
use wry::application::window::WindowId;
|
|
use wry::webview::WebView;
|
|
|
|
/// Launch the WebView and run the event loop.
|
|
///
|
|
/// This function will start a multithreaded Tokio runtime as well the WebView event loop.
|
|
///
|
|
/// ```rust, ignore
|
|
/// use dioxus::prelude::*;
|
|
///
|
|
/// fn main() {
|
|
/// dioxus_desktop::launch(app);
|
|
/// }
|
|
///
|
|
/// fn app(cx: Scope) -> Element {
|
|
/// cx.render(rsx!{
|
|
/// h1 {"hello world!"}
|
|
/// })
|
|
/// }
|
|
/// ```
|
|
pub fn launch(root: Component) {
|
|
launch_with_props(root, (), Config::default())
|
|
}
|
|
|
|
/// Launch the WebView and run the event loop, with configuration.
|
|
///
|
|
/// This function will start a multithreaded Tokio runtime as well the WebView event loop.
|
|
///
|
|
/// You can configure the WebView window with a configuration closure
|
|
///
|
|
/// ```rust, ignore
|
|
/// use dioxus::prelude::*;
|
|
///
|
|
/// fn main() {
|
|
/// dioxus_desktop::launch_cfg(app, |c| c.with_window(|w| w.with_title("My App")));
|
|
/// }
|
|
///
|
|
/// fn app(cx: Scope) -> Element {
|
|
/// cx.render(rsx!{
|
|
/// h1 {"hello world!"}
|
|
/// })
|
|
/// }
|
|
/// ```
|
|
pub fn launch_cfg(root: Component, config_builder: Config) {
|
|
launch_with_props(root, (), config_builder)
|
|
}
|
|
|
|
/// Launch the WebView and run the event loop, with configuration and root props.
|
|
///
|
|
/// This function will start a multithreaded Tokio runtime as well the WebView event loop. This will block the current thread.
|
|
///
|
|
/// You can configure the WebView window with a configuration closure
|
|
///
|
|
/// ```rust, ignore
|
|
/// use dioxus::prelude::*;
|
|
///
|
|
/// fn main() {
|
|
/// dioxus_desktop::launch_with_props(app, AppProps { name: "asd" }, Config::default());
|
|
/// }
|
|
///
|
|
/// struct AppProps {
|
|
/// name: &'static str
|
|
/// }
|
|
///
|
|
/// fn app(cx: Scope<AppProps>) -> Element {
|
|
/// cx.render(rsx!{
|
|
/// h1 {"hello {cx.props.name}!"}
|
|
/// })
|
|
/// }
|
|
/// ```
|
|
pub fn launch_with_props<P: 'static>(root: Component<P>, props: P, cfg: Config) {
|
|
let event_loop = EventLoop::<UserWindowEvent>::with_user_event();
|
|
|
|
let proxy = event_loop.create_proxy();
|
|
|
|
// Intialize hot reloading if it is enabled
|
|
#[cfg(all(feature = "hot-reload", debug_assertions))]
|
|
{
|
|
let proxy = proxy.clone();
|
|
dioxus_hot_reload::connect(move |template| {
|
|
let _ = proxy.send_event(UserWindowEvent(
|
|
EventData::HotReloadEvent(template),
|
|
unsafe { WindowId::dummy() },
|
|
));
|
|
});
|
|
}
|
|
|
|
// We start the tokio runtime *on this thread*
|
|
// Any future we poll later will use this runtime to spawn tasks and for IO
|
|
let rt = tokio::runtime::Builder::new_multi_thread()
|
|
.enable_all()
|
|
.build()
|
|
.unwrap();
|
|
|
|
// We enter the runtime but we poll futures manually, circumventing the per-task runtime budget
|
|
let _guard = rt.enter();
|
|
|
|
// We only have one webview right now, but we'll have more later
|
|
// Store them in a hashmap so we can remove them when they're closed
|
|
let mut webviews = HashMap::<WindowId, WebviewHandler>::new();
|
|
|
|
// We use this to allow dynamically adding and removing window event handlers
|
|
let event_handlers = WindowEventHandlers::default();
|
|
|
|
let queue = WebviewQueue::default();
|
|
|
|
let shortcut_manager = ShortcutRegistry::new(&event_loop);
|
|
|
|
// By default, we'll create a new window when the app starts
|
|
queue.borrow_mut().push(create_new_window(
|
|
cfg,
|
|
&event_loop,
|
|
&proxy,
|
|
VirtualDom::new_with_props(root, props),
|
|
&queue,
|
|
&event_handlers,
|
|
shortcut_manager.clone(),
|
|
));
|
|
|
|
event_loop.run(move |window_event, event_loop, control_flow| {
|
|
*control_flow = ControlFlow::Wait;
|
|
|
|
event_handlers.apply_event(&window_event, event_loop);
|
|
|
|
match window_event {
|
|
Event::WindowEvent {
|
|
event, window_id, ..
|
|
} => match event {
|
|
WindowEvent::CloseRequested => {
|
|
webviews.remove(&window_id);
|
|
|
|
if webviews.is_empty() {
|
|
*control_flow = ControlFlow::Exit
|
|
}
|
|
}
|
|
WindowEvent::Destroyed { .. } => {
|
|
webviews.remove(&window_id);
|
|
|
|
if webviews.is_empty() {
|
|
*control_flow = ControlFlow::Exit;
|
|
}
|
|
}
|
|
_ => {}
|
|
},
|
|
|
|
Event::NewEvents(StartCause::Init)
|
|
| Event::UserEvent(UserWindowEvent(EventData::NewWindow, _)) => {
|
|
for handler in queue.borrow_mut().drain(..) {
|
|
let id = handler.webview.window().id();
|
|
webviews.insert(id, handler);
|
|
_ = proxy.send_event(UserWindowEvent(EventData::Poll, id));
|
|
}
|
|
}
|
|
|
|
Event::UserEvent(event) => match event.0 {
|
|
#[cfg(all(feature = "hot-reload", debug_assertions))]
|
|
EventData::HotReloadEvent(msg) => match msg {
|
|
dioxus_hot_reload::HotReloadMsg::UpdateTemplate(template) => {
|
|
for webview in webviews.values_mut() {
|
|
webview.dom.replace_template(template);
|
|
|
|
poll_vdom(webview);
|
|
}
|
|
}
|
|
dioxus_hot_reload::HotReloadMsg::Shutdown => {
|
|
*control_flow = ControlFlow::Exit;
|
|
}
|
|
},
|
|
|
|
EventData::CloseWindow => {
|
|
webviews.remove(&event.1);
|
|
|
|
if webviews.is_empty() {
|
|
*control_flow = ControlFlow::Exit
|
|
}
|
|
}
|
|
|
|
EventData::Poll => {
|
|
if let Some(view) = webviews.get_mut(&event.1) {
|
|
poll_vdom(view);
|
|
}
|
|
}
|
|
|
|
EventData::Ipc(msg) if msg.method() == "user_event" => {
|
|
let evt = match serde_json::from_value::<HtmlEvent>(msg.params()) {
|
|
Ok(value) => value,
|
|
Err(_) => return,
|
|
};
|
|
|
|
let view = webviews.get_mut(&event.1).unwrap();
|
|
|
|
view.dom
|
|
.handle_event(&evt.name, evt.data.into_any(), evt.element, evt.bubbles);
|
|
|
|
send_edits(view.dom.render_immediate(), &view.webview);
|
|
}
|
|
|
|
EventData::Ipc(msg) if msg.method() == "initialize" => {
|
|
let view = webviews.get_mut(&event.1).unwrap();
|
|
send_edits(view.dom.rebuild(), &view.webview);
|
|
}
|
|
|
|
// When the webview chirps back with the result of the eval, we send it to the active receiver
|
|
//
|
|
// This currently doesn't perform any targeting to the callsite, so if you eval multiple times at once,
|
|
// you might the wrong result. This should be fixed
|
|
EventData::Ipc(msg) if msg.method() == "eval_result" => {
|
|
webviews[&event.1]
|
|
.dom
|
|
.base_scope()
|
|
.consume_context::<DesktopContext>()
|
|
.unwrap()
|
|
.eval
|
|
.send(msg.params())
|
|
.unwrap();
|
|
}
|
|
|
|
EventData::Ipc(msg) if msg.method() == "browser_open" => {
|
|
if let Some(temp) = msg.params().as_object() {
|
|
if temp.contains_key("href") {
|
|
let open = webbrowser::open(temp["href"].as_str().unwrap());
|
|
if let Err(e) = open {
|
|
log::error!("Open Browser error: {:?}", e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
_ => {}
|
|
},
|
|
Event::GlobalShortcutEvent(id) => shortcut_manager.call_handlers(id),
|
|
_ => {}
|
|
}
|
|
})
|
|
}
|
|
|
|
fn create_new_window(
|
|
mut cfg: Config,
|
|
event_loop: &EventLoopWindowTarget<UserWindowEvent>,
|
|
proxy: &EventLoopProxy<UserWindowEvent>,
|
|
dom: VirtualDom,
|
|
queue: &WebviewQueue,
|
|
event_handlers: &WindowEventHandlers,
|
|
shortcut_manager: ShortcutRegistry,
|
|
) -> WebviewHandler {
|
|
let webview = webview::build(&mut cfg, event_loop, proxy.clone());
|
|
|
|
dom.base_scope().provide_context(DesktopContext::new(
|
|
webview.clone(),
|
|
proxy.clone(),
|
|
event_loop.clone(),
|
|
queue.clone(),
|
|
event_handlers.clone(),
|
|
shortcut_manager,
|
|
));
|
|
|
|
let id = webview.window().id();
|
|
|
|
// We want to poll the virtualdom and the event loop at the same time, so the waker will be connected to both
|
|
WebviewHandler {
|
|
webview,
|
|
dom,
|
|
waker: waker::tao_waker(proxy, id),
|
|
}
|
|
}
|
|
|
|
struct WebviewHandler {
|
|
dom: VirtualDom,
|
|
webview: Rc<wry::webview::WebView>,
|
|
waker: Waker,
|
|
}
|
|
|
|
/// Poll the virtualdom until it's pending
|
|
///
|
|
/// The waker we give it is connected to the event loop, so it will wake up the event loop when it's ready to be polled again
|
|
///
|
|
/// All IO is done on the tokio runtime we started earlier
|
|
fn poll_vdom(view: &mut WebviewHandler) {
|
|
let mut cx = std::task::Context::from_waker(&view.waker);
|
|
|
|
loop {
|
|
{
|
|
let fut = view.dom.wait_for_work();
|
|
pin_mut!(fut);
|
|
|
|
match fut.poll_unpin(&mut cx) {
|
|
std::task::Poll::Ready(_) => {}
|
|
std::task::Poll::Pending => break,
|
|
}
|
|
}
|
|
|
|
send_edits(view.dom.render_immediate(), &view.webview);
|
|
}
|
|
}
|
|
|
|
/// Send a list of mutations to the webview
|
|
fn send_edits(edits: Mutations, webview: &WebView) {
|
|
let serialized = serde_json::to_string(&edits).unwrap();
|
|
|
|
// todo: use SSE and binary data to send the edits with lower overhead
|
|
_ = webview.evaluate_script(&format!("window.interpreter.handleEdits({serialized})"));
|
|
}
|