From d4c6b0a255980f41f54f39117a862c4ffe394e43 Mon Sep 17 00:00:00 2001
From: Andy Shinn <andys@andyshinn.as>
Date: Wed, 18 Jun 2025 02:51:15 -0500
Subject: [PATCH] save electron window size and location and use existing on
 launch

---
 electron/src/main/index.ts  | 23 ++++++++++++++++++++--
 electron/src/main/window.ts | 39 +++++++++++++++++++++++++++++++++++++
 electron/tsconfig.node.json |  3 ++-
 3 files changed, 62 insertions(+), 3 deletions(-)
 create mode 100644 electron/src/main/window.ts

diff --git a/electron/src/main/index.ts b/electron/src/main/index.ts
index 29b497b..987e033 100644
--- a/electron/src/main/index.ts
+++ b/electron/src/main/index.ts
@@ -4,6 +4,7 @@ import { electronApp, optimizer } from '@electron-toolkit/utils'
 import icon from '../../resources/icon.png?asset'
 import { autoUpdater } from 'electron-updater'
 import { buildMenu } from './menu'
+import { getWindowState, saveWindowState } from './window'
 
 let apiProcess: Electron.UtilityProcess
 let apiPort: any = 9999
@@ -19,10 +20,14 @@ async function updateCheckLoop() {
 }
 
 function createWindow(): void {
+  const windowState = getWindowState()
+
   // Create the browser window.
   const mainWindow = new BrowserWindow({
-    width: 1300,
-    height: 900,
+    x: windowState.x,
+    y: windowState.y,
+    width: windowState.width,
+    height: windowState.height,
     show: false,
     autoHideMenuBar: true,
     ...(process.platform === 'linux' ? { icon } : {}),
@@ -32,6 +37,20 @@ function createWindow(): void {
     }
   })
 
+  if (windowState.isMaximized) {
+    mainWindow.maximize()
+  }
+
+  const saveState = () => saveWindowState(mainWindow)
+  mainWindow.on('resize', saveState)
+  mainWindow.on('move', saveState)
+  mainWindow.on('maximize', saveState)
+  mainWindow.on('unmaximize', saveState)
+
+  mainWindow.on('close', () => {
+    saveWindowState(mainWindow)
+  })
+
   mainWindow.on('ready-to-show', () => {
     mainWindow.show()
   })
diff --git a/electron/src/main/window.ts b/electron/src/main/window.ts
new file mode 100644
index 0000000..967416f
--- /dev/null
+++ b/electron/src/main/window.ts
@@ -0,0 +1,39 @@
+import { BrowserWindow, app } from 'electron'
+import { join } from 'path'
+import { keyFileStorage } from 'key-file-storage'
+
+const userDataPath = app.getPath('userData')
+const windowStateKfs = keyFileStorage(join(userDataPath, 'window-state'))
+
+export interface WindowState {
+  x?: number
+  y?: number
+  width: number
+  height: number
+  isMaximized?: boolean
+}
+
+export function getWindowState(): WindowState {
+  try {
+    const state = windowStateKfs['window-state']
+    return state || { width: 1300, height: 900 }
+  } catch {
+    return { width: 1300, height: 900 }
+  }
+}
+
+export function saveWindowState(window: BrowserWindow): void {
+  try {
+    const bounds = window.getBounds()
+    const state: WindowState = {
+      x: bounds.x,
+      y: bounds.y,
+      width: bounds.width,
+      height: bounds.height,
+      isMaximized: window.isMaximized()
+    }
+    windowStateKfs['window-state'] = state
+  } catch (error) {
+    console.error('[electron] Failed to save window state:', error)
+  }
+}
diff --git a/electron/tsconfig.node.json b/electron/tsconfig.node.json
index db23a68..8d85087 100644
--- a/electron/tsconfig.node.json
+++ b/electron/tsconfig.node.json
@@ -3,6 +3,7 @@
   "include": ["electron.vite.config.*", "src/main/**/*", "src/preload/**/*"],
   "compilerOptions": {
     "composite": true,
-    "types": ["electron-vite/node"]
+    "types": ["electron-vite/node"],
+    "esModuleInterop": true
   }
 }