feat: follow

package.json

@@ -91,6 +91,11 @@
           "command": "codemp.jump",
           "when": "view == codemp-tree-view && viewItem == user",
           "group": "inline"
+        },
+        {
+          "command": "codemp.follow",
+          "when": "view == codemp-tree-view && viewItem == user",
+          "group": "inline"
         }
       ]
     },
@@ -187,6 +192,13 @@
         "category": "codemp",
         "icon": "$(debug-console-evaluation-input)"
       }
+      ,
+      {
+        "command": "codemp.follow",
+        "title": "Follow User",
+        "category": "codemp",
+        "icon": "$(debug-console-evaluation-input)"
+      }
     ],
     "configuration": {
       "title": "codemp",

src/commands/workspaces.ts

@@ -6,6 +6,7 @@ import { LOGGER, provider } from '../extension';
 
 
 export let workspace: codemp.Workspace | null = null;
+export let doFollow: boolean = false;
 
 
 export function setWorkspace(ws: codemp.Workspace | null) {
@@ -25,7 +26,10 @@ export async function jump(selected: vscode.TreeItem | undefined) {
 	}
 	if (!user) user = await vscode.window.showInputBox({ prompt: "username" });
 	if (!user) return;  // user cancelled with ESC
+	executeJump(user);
+}
 
+export async function executeJump(user: string) {
 	let user_hl = mapping.colors_cache.get(user);
 	if (user_hl === undefined) return vscode.window.showWarningMessage("unknown position of such user");
 	let uri = mapping.bufferMapper.uri_by_buffer(user_hl.buffer);
@@ -39,6 +43,23 @@ export async function jump(selected: vscode.TreeItem | undefined) {
 	editor.revealRange(cursor_range, vscode.TextEditorRevealType.InCenter);
 }
 
+export async function follow(selected: vscode.TreeItem | undefined) {
+	doFollow=!doFollow
+	if (client === null) return vscode.window.showWarningMessage("Connect first");
+	let user;
+	if (selected !== undefined && selected.label !== undefined) {
+		if (typeof (selected.label) === 'string') {
+			user = selected.label;
+		} else {
+			user = selected.label.label;
+		}
+	}
+	if (!user) user = await vscode.window.showInputBox({ prompt: "username" });
+	if (!user) return;  // user cancelled with ESC
+	while(doFollow){
+		executeJump(user);
+	}
+}
 
 export async function createBuffer() {
 	let bufferName: any = (await vscode.window.showInputBox({ prompt: "path of the buffer to create" }));

src/extension.ts

@@ -3,7 +3,7 @@ import * as codemp from 'codemp';
 import { client, connect, join, refresh, createWorkspace, inviteToWorkspace, listWorkspaces, leave } from './commands/client';
 import { CodempTreeProvider } from './tree';
 import * as mapping from './mapping';
-import { workspace, jump, listBuffers, createBuffer, deleteBuffer } from './commands/workspaces'
+import { workspace, jump, listBuffers, createBuffer, deleteBuffer, follow } from './commands/workspaces'
 import { attach, share, sync, apply_changes_to_buffer, detach } from './commands/buffers'
 
 export let provider = new CodempTreeProvider();
@@ -46,6 +46,7 @@ export function activate(context: vscode.ExtensionContext) {
 		vscode.commands.registerCommand('codemp.sync', sync),
 		vscode.commands.registerCommand('codemp.refresh', refresh),
 		vscode.commands.registerCommand('codemp.jump', jump),
+		vscode.commands.registerCommand('codemp.follow', follow),
 	]) {
 		context.subscriptions.push(cmd);
 	}