From 23ef22dd4880606c4c3dc908d30c2cbeabc37f58 Mon Sep 17 00:00:00 2001
From: Gregoire Geis <git@gregoirege.is>
Date: Sun, 2 Feb 2020 02:21:04 +0100
Subject: Add regular onEnter command, allowing onEnter to be called without
 overriding the type command.

---
 editors/code/package.json             |  5 ++++
 editors/code/src/commands/on_enter.ts | 51 ++++++++++++++++++++++-------------
 editors/code/src/main.ts              |  3 ++-
 3 files changed, 40 insertions(+), 19 deletions(-)

(limited to 'editors/code')

diff --git a/editors/code/package.json b/editors/code/package.json
index c0d8f0183..9987a28f5 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -114,6 +114,11 @@
                 "command": "rust-analyzer.reload",
                 "title": "Restart server",
                 "category": "Rust Analyzer"
+            },
+            {
+                "command": "rust-analyzer.onEnter",
+                "title": "Enhanced enter key",
+                "category": "Rust Analyzer"
             }
         ],
         "keybindings": [
diff --git a/editors/code/src/commands/on_enter.ts b/editors/code/src/commands/on_enter.ts
index 6f61883cd..1b3d3d741 100644
--- a/editors/code/src/commands/on_enter.ts
+++ b/editors/code/src/commands/on_enter.ts
@@ -1,28 +1,43 @@
+import * as vscode from 'vscode';
 import * as lc from 'vscode-languageclient';
 
 import { applySourceChange, SourceChange } from '../source_change';
 import { Cmd, Ctx } from '../ctx';
 
-export function onEnter(ctx: Ctx): Cmd {
+async function handleKeypress(ctx: Ctx) {
+    const editor = ctx.activeRustEditor;
+    const client = ctx.client;
+    if (!editor) return false;
+    if (!client) return false;
+
+    const request: lc.TextDocumentPositionParams = {
+        textDocument: { uri: editor.document.uri.toString() },
+        position: client.code2ProtocolConverter.asPosition(
+            editor.selection.active,
+        ),
+    };
+    const change = await client.sendRequest<undefined | SourceChange>(
+        'rust-analyzer/onEnter',
+        request,
+    );
+    if (!change) return false;
+
+    await applySourceChange(ctx, change);
+    return true;
+}
+
+export function onEnterOverride(ctx: Ctx): Cmd {
     return async (event: { text: string }) => {
-        const editor = ctx.activeRustEditor;
-        const client = ctx.client;
-        if (!editor || event.text !== '\n') return false;
-        if (!client) return false;
+        if (event.text === '\n') {
+            handleKeypress(ctx);
+        }
+    };
+}
 
-        const request: lc.TextDocumentPositionParams = {
-            textDocument: { uri: editor.document.uri.toString() },
-            position: client.code2ProtocolConverter.asPosition(
-                editor.selection.active,
-            ),
-        };
-        const change = await client.sendRequest<undefined | SourceChange>(
-            'rust-analyzer/onEnter',
-            request,
-        );
-        if (!change) return false;
+export function onEnter(ctx: Ctx): Cmd {
+    return async () => {
+        if (handleKeypress(ctx)) return;
 
-        await applySourceChange(ctx, change);
-        return true;
+        await vscode.commands.executeCommand('default:type', { text: '\n' });
     };
 }
diff --git a/editors/code/src/main.ts b/editors/code/src/main.ts
index 6813c3c4c..5c061e72f 100644
--- a/editors/code/src/main.ts
+++ b/editors/code/src/main.ts
@@ -21,6 +21,7 @@ export async function activate(context: vscode.ExtensionContext) {
     ctx.registerCommand('expandMacro', commands.expandMacro);
     ctx.registerCommand('run', commands.run);
     ctx.registerCommand('reload', commands.reload);
+    ctx.registerCommand('onEnter', commands.onEnter);
 
     // Internal commands which are invoked by the server.
     ctx.registerCommand('runSingle', commands.runSingle);
@@ -29,7 +30,7 @@ export async function activate(context: vscode.ExtensionContext) {
     ctx.registerCommand('selectAndApplySourceChange', commands.selectAndApplySourceChange);
 
     if (ctx.config.enableEnhancedTyping) {
-        ctx.overrideCommand('type', commands.onEnter);
+        ctx.overrideCommand('type', commands.onEnterOverride);
     }
     activateStatusDisplay(ctx);
 
-- 
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