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add native window/webview builtins to el runtime

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Adds five new builtins backed by wry 0.47 + tao 0.30:
- window_open(title, width, height) — configure window
- webview_load_url(url) — set URL to navigate to
- webview_load_html(html) — set HTML to display
- webview_eval(js) — queue JS to eval after load
- window_run() — open native OS window and run event loop (blocking, exits on close)

WebViewState is stored in a thread_local. window_run() calls
tao's event_loop.run() which never returns; process exits when
the window is closed via std::process::exit(0).
This commit is contained in:
Will Anderson
2026-04-28 14:14:34 -05:00
parent 07cfde2402
commit b9d096ef5b
4 changed files with 2189 additions and 61 deletions
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crates/el-types/src/types.rs
+7
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@@ -262,6 +262,13 @@ impl TypeEnv {
env.functions.insert("cursor_col".into(), str_fn(vec![i.clone()], Type::Void));
env.functions.insert("http_sse_post".into(), str_fn(vec![s.clone(), s.clone(), s.clone()], s.clone()));
// Native window / WebView builtins
env.functions.insert("window_open".into(), str_fn(vec![s.clone(), i.clone(), i.clone()], Type::Void));
env.functions.insert("webview_load_url".into(), str_fn(vec![s.clone()], Type::Void));
env.functions.insert("webview_load_html".into(), str_fn(vec![s.clone()], Type::Void));
env.functions.insert("webview_eval".into(), str_fn(vec![s.clone()], Type::Void));
env.functions.insert("window_run".into(), str_fn(vec![], Type::Void));
// Math
for name in &["math_abs","math_floor","math_ceil","math_round","math_sqrt"] {
env.functions.insert(name.to_string(), str_fn(vec![u.clone()], u.clone()));