From 7e9e43fa6ac749d965132c64c34062a94651f8b4 Mon Sep 17 00:00:00 2001
From: smartfridge <37928912+smartfrigde@users.noreply.github.com>
Date: Sun, 25 Sep 2022 20:31:29 +0200
Subject: [PATCH] Add single-instance

---
 src/window.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/window.ts b/src/window.ts
index b2a24df..c89c8df 100644
--- a/src/window.ts
+++ b/src/window.ts
@@ -54,7 +54,19 @@ async function doAfterDefiningTheWindow() {
         }
         mainWindow.webContents.userAgent = `Mozilla/5.0 (X11; ${osType} ${os.arch()}) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36`; //fake useragent for screenshare to work
     }
+    const gotTheLock = app.requestSingleInstanceLock()
 
+    if (!gotTheLock) {
+    app.quit()
+    } else {
+    app.on('second-instance', (event, commandLine, workingDirectory) => {
+        // i love stack overflow
+        if (mainWindow) {
+        mainWindow.restore()
+        mainWindow.focus()
+        }
+    })
+    }
     mainWindow.webContents.setWindowOpenHandler(({url}) => {
         if (url.startsWith("https:" || url.startsWith("http:") || url.startsWith("mailto:"))) {
             shell.openExternal(url);