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openidea/wit/host.wit
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Arnaud Ritti a3d5336642 feat(plugins): let plugin code set context keys for its when clauses (#1762)
Plugin API 1.2 adds `ui.set-context(key, value)` and `ui.remove-context(key)`: a plugin sets `plugin.<id>.<key>` for `when` clauses, typed as `context-value` (flag, number or text), in the window the call came from or every window outside a command or event; a window's value wins over the global one. Keys are 1-64 of `A-Za-z0-9_-`, at most 100 per plugin, kept across window reloads and idle reclaim, dropped when the plugin stops or the window closes; remote windows get them through the dispatcher. The Rust SDK takes `impl Into<ContextValue>`. All components are rebuilt for the WIT change.

Closes #1622

Co-authored-by: arnaud-ritti <[email protected]>
2026-11-06 23:02:34 +08:00

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package openidea:[email protected];
/// Writes to the IDE log, tagged with the plugin id.
interface log {
use types.{log-level};
log: func(level: log-level, message: string);
}
interface ui {
use types.{error, notification-level};
record status-item {
text: string,
tooltip: option<string>,
/// One of the plugin's commands, run when the item is clicked.
command: option<string>,
}
/// A context key's value, as `when` clauses compare it.
variant context-value {
flag(bool),
/// A finite number.
number(f64),
/// At most 1024 bytes.
text(string),
}
/// Shows a notification balloon in the window the current command or
/// event came from (every window when there is none).
show-notification: func(level: notification-level, title: string, body: string);
/// Shows or updates the plugin's status bar item `id` in every window.
set-status-item: func(id: string, item: status-item);
remove-status-item: func(id: string);
/// Sets the plugin's context key `key`, which `when` clauses test as
/// `plugin.<id>.<key>`, in the window the current command or event came
/// from (every window when there is none). A window's value takes
/// precedence over the global one. `key` is 1-64 of `A-Za-z0-9_-`; at most
/// 100 keys; they go away when the plugin stops.
set-context: func(key: string, value: context-value) -> result<_, error>;
/// Removes the key `set-context` set in the same scope.
remove-context: func(key: string);
/// Copies `text` to the system clipboard. Requires `clipboard`.
copy-to-clipboard: func(text: string) -> result<_, error>;
/// Opens an `http://` or `https://` URL in the user's default browser.
open-url: func(url: string) -> result<_, error>;
}
/// Persistent key-value storage of the plugin (survives restarts and idle
/// reclaim; instance memory does not). Requires `storage`. At most 1 MiB.
interface storage {
use types.{error};
get: func(key: string) -> result<option<string>, error>;
set: func(key: string, value: string) -> result<_, error>;
delete: func(key: string) -> result<_, error>;
/// Keys starting with `prefix`, sorted.
keys: func(prefix: string) -> result<list<string>, error>;
}