From c886011640df3a2e893ddf65a22d30862d0a50e3 Mon Sep 17 00:00:00 2001
From: Nicolas Hedger <nicolas@hedger.ch>
Date: Sat, 27 Jul 2024 11:33:53 +0200
Subject: [PATCH] wip

---
 src/extension.ts                              | 27 ++++++++++++++++++-
 src/state.ts                                  |  2 +-
 src/ui/status-bar/status-bar.ts               |  2 +-
 .../multi-root-workspace/bar/file.txt         |  0
 4 files changed, 28 insertions(+), 3 deletions(-)
 create mode 100644 test/fixtures/multi-root-workspace/bar/file.txt

diff --git a/src/extension.ts b/src/extension.ts
index 20f1e575..28ca1848 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -10,7 +10,7 @@ import { error, info } from "./logger";
 import { type Project, createProjects } from "./project";
 import { createSession } from "./session";
 import { state } from "./state";
-import { config, hasUntitledDocuments } from "./utils";
+import { config, hasUntitledDocuments, supportedLanguages } from "./utils";
 
 /**
  * Creates a new Biome extension
@@ -48,10 +48,35 @@ export const createExtension = async (
 		return;
 	}
 
+	window.onDidChangeActiveTextEditor((editor) => {
+		if (!editor) {
+			state.state = "disabled";
+			return;
+		}
+
+		if (!supportedLanguages.includes(editor.document.languageId)) {
+			state.state = "disabled";
+			return;
+		}
+
+		const project = [...state.sessions.keys()].find((project) =>
+			editor.document.uri.fsPath.startsWith(project.path),
+		);
+
+		if (project) {
+			state.activeProject = project;
+		}
+	});
+
 	state.state = "initializing";
 
 	// Start the extension
 	await start();
+
+	// Set the active project, if any
+	state.activeProject = [...state.sessions.keys()].find((project) =>
+		window.activeTextEditor?.document.uri.fsPath.startsWith(project.path),
+	);
 };
 
 /**
diff --git a/src/state.ts b/src/state.ts
index 0170e182..6538956f 100644
--- a/src/state.ts
+++ b/src/state.ts
@@ -1,4 +1,4 @@
-import { workspace } from "vscode";
+import { window, workspace } from "vscode";
 import type { Project } from "./project";
 import type { Session } from "./session";
 import { updateStatusBar } from "./ui/status-bar/status-bar";
diff --git a/src/ui/status-bar/status-bar.ts b/src/ui/status-bar/status-bar.ts
index 049ffaf1..bf47fec4 100644
--- a/src/ui/status-bar/status-bar.ts
+++ b/src/ui/status-bar/status-bar.ts
@@ -35,7 +35,7 @@ export const updateStatusBar = () => {
 	const text = getStateText();
 	const tooltip = getStateTooltip();
 
-	statusBar.item.text = `${icon} ${text}`.trim();
+	statusBar.item.text = `${icon} ${text} ${state.activeProject?.path}`.trim();
 	statusBar.item.tooltip = tooltip;
 	statusBar.item.show();
 };
diff --git a/test/fixtures/multi-root-workspace/bar/file.txt b/test/fixtures/multi-root-workspace/bar/file.txt
new file mode 100644
index 00000000..e69de29b