save window position by mai process

src/main/db_singleton.ts

@@ -53,6 +53,12 @@ class DbSingleton {
     await this.dbs.settingsDb.read()
     await this.dbs.appStateDb.read()
   }
+
+  public async writeAllDbs(): Promise<void> {
+    await this.dbs.notesDb.write()
+    await this.dbs.settingsDb.write()
+    await this.dbs.appStateDb.write()
+  }
 }
 
 const instance = DbSingleton.getInstance()

src/main/index.ts

@@ -6,11 +6,13 @@ import icon from '../../resources/icon.png?asset'
 import { registerIpcHandles } from './ipcHandles'
 import { dbInstance } from './db_singleton'
 
+let mainWindow: BrowserWindow
+
 function createWindow(): void {
   const appStateData = dbInstance.dbs.appStateDb.data
 
   // Create the browser window.
-  const mainWindow = new BrowserWindow({
+  mainWindow = new BrowserWindow({
     width: appStateData?.windowWidth != null ? appStateData?.windowWidth : 800,
     height: appStateData?.windowHeight != null ? appStateData?.windowHeight : 600,
     useContentSize: true,
@@ -72,10 +74,10 @@ app.whenReady().then(async () => {
   // IPC test
   ipcMain.on('ping', () => console.log('pong'))
 
-  registerIpcHandles(ipcMain)
-
   createWindow()
 
+  registerIpcHandles(ipcMain, mainWindow)
+
   app.on('activate', function () {
     // On macOS it's common to re-create a window in the app when the
     // dock icon is clicked and there are no other windows open.
@@ -86,7 +88,8 @@ app.whenReady().then(async () => {
 // Quit when all windows are closed, except on macOS. There, it's common
 // for applications and their menu bar to stay active until the user quits
 // explicitly with Cmd + Q.
-app.on('window-all-closed', () => {
+app.on('window-all-closed', async () => {
+  await dbInstance.writeAllDbs()
   if (process.platform !== 'darwin') {
     app.quit()
   }

src/main/ipcHandles.ts

@@ -3,8 +3,9 @@ import { uuidv7 } from 'uuidv7'
 
 import { AppState, Note, NoteEditorSettings } from '../types'
 import { dbInstance } from './db_singleton'
+import { BrowserWindow } from 'electron'
 
-export const registerIpcHandles = (ipcMain): void => {
+export const registerIpcHandles = (ipcMain, mainWindow: BrowserWindow): void => {
   const { notesDb, settingsDb, appStateDb } = dbInstance.dbs
 
   ipcMain.handle('get-notes', (): Note[] => {
@@ -100,7 +101,16 @@ export const registerIpcHandles = (ipcMain): void => {
   ipcMain.handle(
     'update-app-state',
     async (_event: Electron.IpcMainInvokeEvent, appState: AppState) => {
-      appStateDb.data = appState
+      const bounds = mainWindow.getBounds()
+
+      appStateDb.data = {
+        ...appState,
+        windowX: bounds.x,
+        windowY: bounds.y,
+        windowWidth: bounds.width,
+        windowHeight: bounds.height
+      }
+
       await appStateDb.write()
     }
   )