electron(titleBar): 添加窗口状态IPC通信与桥接器函数

electron/main/index.ts

@@ -843,6 +843,14 @@ app.whenReady().then(() => {
   });
 });
 
+ipcMain.handle('window:state', () => {
+  const win = BrowserWindow.getFocusedWindow()
+  if (!win) return 'normal'
+  if (win.isMaximized()) return 'maximized'
+  if (win.isMinimized()) return 'minimized'
+  return 'normal'
+})
+
 // New window example arg: new windows url
 // ipcMain.handle('open-win', (_, arg) => {
 //   const childWindow = new BrowserWindow({

electron/preload/index.ts

@@ -51,6 +51,7 @@ type WindowControlBridge = {
   minimize: () => void;
   toggleMaximize: () => void;
   close: () => void;
+  state: () => Promise<| 'normal' | 'maximized' | 'minimized'>;
 };
 
 type UpdateCenterStateListener = (snapshot: UpdateCenterSnapshot) => void;
@@ -110,6 +111,7 @@ contextBridge.exposeInMainWorld("windowControls", {
   minimize: () => ipcRenderer.send("window-control-minimize"),
   toggleMaximize: () => ipcRenderer.send("window-control-toggle-maximize"),
   close: () => ipcRenderer.send("window-control-close"),
+  state: () => ipcRenderer.invoke("window:state"),
 } satisfies WindowControlBridge);
 
 contextBridge.exposeInMainWorld("updateCenter", {