Enable auto cfg loading and running from arguments.

main.js

@@ -1,5 +1,6 @@
 const path = require('path');
-const { app, BrowserWindow, Menu, dialog, ipcMain, fs } = require('electron');
+const fs = require('fs');
+const { app, BrowserWindow, Menu, dialog, ipcMain } = require('electron');
 
 let currentWorkPath = process.cwd();
 const startupOptions = parseStartupOptions(process.argv);
@@ -12,11 +13,18 @@ function parseStartupOptions(argv) {
 	autoRun: false,
     };
 
-    for (const arg of argv.slice(1)) {
+    for (const arg of argv.slice(2)) {
 	if (arg === '--run') {
 	    options.autoRun = true;
 	} else if (!arg.startsWith('--') && options.configPath == null) {
-	    options.configPath = path.resolve(arg);
+	    const candidate = path.resolve(arg);
+	    if (
+		path.extname(candidate).toLowerCase() === '.cfg' &&
+		fs.existsSync(candidate) &&
+		fs.statSync(candidate).isFile()
+	    ) {
+		options.configPath = candidate;
+	    }
 	}
     }
 
@@ -85,16 +93,6 @@ function createWindow () {
 	}
     })
 
-    win.webContents.on('did-finish-load', () => {
-	if (startupOptions.configPath) {
-	    win.webContents.send('openFileAndMaybeRun', {
-		filename: startupOptions.configPath,
-		autoRun: startupOptions.autoRun,
-	    });
-	}
-    });
-
-    
     let template = [
 	{
 	    label: 'File',
@@ -344,6 +342,10 @@ ipcMain.on('updateWorkPath', (event, folder) => {
     }
 });
 
+ipcMain.handle('getStartupOptions', async () => {
+    return startupOptions;
+});
+
 //ipcMain.on('browseFolder-send', (event, args) => {
 //    dialog.showOpenDialog(null, args).then(filePaths => {
 //	event.sender.dend('browseFolder', filePaths);