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Encapsulate highlighting activation

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This commit is contained in:
Aleksey Kladov 2019-12-30 20:29:21 +01:00
parent 17dda0972a
commit 7646dc046e
4 changed files with 24 additions and 35 deletions
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25
editors/code/src/events/change_active_text_editor.ts
View file

@ -1,25 +0,0 @@
import { TextEditor } from 'vscode';
import { TextDocumentIdentifier } from 'vscode-languageclient';
import { Decoration } from '../highlighting';
import { Server } from '../server';
export function makeHandler() {
return async function handle(editor: TextEditor | undefined) {
if (!editor || editor.document.languageId !== 'rust') {
return;
}
if (!Server.config.highlightingOn) {
return;
}
const params: TextDocumentIdentifier = {
uri: editor.document.uri.toString(),
};
const decorations = await Server.client.sendRequest<Decoration[]>(
'rust-analyzer/decorationsRequest',
params,
);
Server.highlighter.setHighlights(editor, decorations);
};
}

3
editors/code/src/events/index.ts
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@ -1,3 +0,0 @@
import * as changeActiveTextEditor from './change_active_text_editor';
export { changeActiveTextEditor };

22
editors/code/src/highlighting.ts
View file

@ -1,10 +1,30 @@
import seedrandom = require('seedrandom');
import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient';
import * as seedrandom from 'seedrandom';
import * as scopes from './scopes';
import * as scopesMapper from './scopes_mapper';
import { Server } from './server';
import { Ctx } from './ctx';
export function activateHighlighting(ctx: Ctx) {
vscode.window.onDidChangeActiveTextEditor(
async (editor: vscode.TextEditor | undefined) => {
if (!editor || editor.document.languageId !== 'rust') return;
if (!Server.config.highlightingOn) return;
const params: lc.TextDocumentIdentifier = {
uri: editor.document.uri.toString(),
};
const decorations = await ctx.client.sendRequest<Decoration[]>(
'rust-analyzer/decorationsRequest',
params,
);
Server.highlighter.setHighlights(editor, decorations);
},
);
}
export interface Decoration {
range: lc.Range;

9
editors/code/src/main.ts
View file

@ -4,10 +4,10 @@ import * as lc from 'vscode-languageclient';
import * as commands from './commands';
import { activateInlayHints } from './inlay_hints';
import { StatusDisplay } from './status_display';
import * as events from './events';
import * as notifications from './notifications';
import { Server } from './server';
import { Ctx } from './ctx';
import { activateHighlighting } from './highlighting';
let ctx!: Ctx;
@ -37,6 +37,8 @@ export async function activate(context: vscode.ExtensionContext) {
);
ctx.pushCleanup(watchStatus);
activateHighlighting(ctx);
// Notifications are events triggered by the language server
const allNotifications: [string, lc.GenericNotificationHandler][] = [
[
@ -49,11 +51,6 @@ export async function activate(context: vscode.ExtensionContext) {
],
];
// The events below are plain old javascript events, triggered and handled by vscode
vscode.window.onDidChangeActiveTextEditor(
events.changeActiveTextEditor.makeHandler(),
);
const startServer = () => Server.start(allNotifications);
const reloadCommand = () => reloadServer(startServer);