integrate part of keyutil, and implement tab and block movement with keyboard (#70)

emain/emain.ts

@@ -1,6 +1,7 @@
 // Copyright 2024, Command Line Inc.
 // SPDX-License-Identifier: Apache-2.0
 
+import * as keyutil from "@/util/keyutil";
 import * as electron from "electron";
 import fs from "fs";
 import * as child_process from "node:child_process";
@@ -37,6 +38,7 @@ let unameArch: string = process.arch;
 if (unameArch == "x64") {
     unameArch = "amd64";
 }
+keyutil.setKeyUtilPlatform(unamePlatform);
 
 function getBaseHostPort(): string {
     if (isDev) {
@@ -386,6 +388,10 @@ electron.ipcMain.on("isDevServer", (event) => {
     event.returnValue = isDevServer;
 });
 
+electron.ipcMain.on("getPlatform", (event) => {
+    event.returnValue = unamePlatform;
+});
+
 electron.ipcMain.on("getCursorPoint", (event) => {
     const window = electron.BrowserWindow.fromWebContents(event.sender);
     const screenPoint = electron.screen.getCursorScreenPoint();

emain/preload.ts

@@ -6,6 +6,7 @@ let { contextBridge, ipcRenderer } = require("electron");
 contextBridge.exposeInMainWorld("api", {
     isDev: () => ipcRenderer.sendSync("isDev"),
     isDevServer: () => ipcRenderer.sendSync("isDevServer"),
+    getPlatform: () => ipcRenderer.sendSync("getPlatform"),
     getCursorPoint: () => ipcRenderer.sendSync("getCursorPoint"),
     openNewWindow: () => ipcRenderer.send("openNewWindow"),
     contextEditMenu: (position, opts) => ipcRenderer.send("context-editmenu", position, opts),