From d41707ec82f5d6abfdf2eb24e6bc33e99c990ac4 Mon Sep 17 00:00:00 2001
From: bossgeekgo <bossgeekgo>
Date: Wed, 21 Feb 2024 02:02:12 +0800
Subject: [PATCH] add singleton lock for openSettingWindow

---
 packages/ui/src/main/flow/OPEN_SETTING_WINDOW.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/ui/src/main/flow/OPEN_SETTING_WINDOW.ts b/packages/ui/src/main/flow/OPEN_SETTING_WINDOW.ts
index c77ab7e..6e1f425 100644
--- a/packages/ui/src/main/flow/OPEN_SETTING_WINDOW.ts
+++ b/packages/ui/src/main/flow/OPEN_SETTING_WINDOW.ts
@@ -3,6 +3,12 @@ import { electronApp, optimizer } from '@electron-toolkit/utils'
 import { createMainWindow } from '../window/mainWindow'
 
 export function openSettingWindow() {
+  // TODO: singleton lock; how can we check if there is another process should run as singleton with arguments?
+  if (!app.requestSingleInstanceLock()) {
+    // TODO: log
+    app.exit(0)
+  }
+
   // This method will be called when Electron has finished
   // initialization and is ready to create browser windows.
   // Some APIs can only be used after this event occurs.