Enable auto cfg loading and running from arguments.

TrimSPelec.js

@@ -120,13 +120,51 @@ function fallbackBrowseForFolder() {
     picker.click();
 }
 
+function getConfigValue(content, key) {
+    const lines = content.toString().split('\n');
+    for (const line of lines) {
+	const trimmed = line.trim();
+	if (!trimmed || trimmed.startsWith('#') || trimmed.startsWith('[')) {
+	    continue;
+	}
+	const separator = trimmed.indexOf('=');
+	if (separator === -1) {
+	    continue;
+	}
+	const param = trimmed.slice(0, separator).trim();
+	if (param === key) {
+	    return trimmed.slice(separator + 1).trim();
+	}
+    }
+    return null;
+}
+
+function resolveConfigWorkPath(filename, content) {
+    const configuredWorkPath = getConfigValue(content, 'workPath');
+    if (!configuredWorkPath) {
+	return null;
+    }
+    if (configuredWorkPath.startsWith('./')) {
+	return path.resolve(path.dirname(filename), configuredWorkPath);
+    }
+    if (path.isAbsolute(configuredWorkPath)) {
+	return configuredWorkPath;
+    }
+    return null;
+}
+
 function loadConfigFile(filename, autoRun = false) {
-    console.log('Open file ' + filename);
-    fs.readFile(filename.toString(), function read(err, data) {
+    const configPath = Array.isArray(filename) ? filename[0] : filename.toString();
+    console.log('Open file ' + configPath);
+    fs.readFile(configPath, function read(err, data) {
 	if (err) {
 	    throw err;
 	}
 	setValues(data);
+	const resolvedWorkPath = resolveConfigWorkPath(configPath, data);
+	if (resolvedWorkPath) {
+	    setWorkFolder([resolvedWorkPath]);
+	}
 	if (autoRun) {
 	    setTimeout(() => startSim(), 0);
 	}
@@ -215,3 +253,16 @@ function firstLoad() {
 	fallbackBrowseForFolder();
     });
 }
+
+window.addEventListener('load', async function() {
+    try {
+	const startupOptions = await ipcRenderer.invoke('getStartupOptions');
+	if (startupOptions && startupOptions.configPath) {
+	    setTimeout(() => {
+		loadConfigFile(startupOptions.configPath, !!startupOptions.autoRun);
+	    }, 0);
+	}
+    } catch (err) {
+	console.log('Failed to read startup options:', err);
+    }
+});