Added preference

app/ux/WebView.js

@@ -309,9 +309,11 @@ Ext.define('Rambox.ux.WebView',{
 			if ( e.isMainFrame ) webview.loadURL(e.newURL);
 		});
 
-		var webFrame = require('electron').webFrame;
-		var SpellCheckProvider = require('electron-spell-check-provider');
-		webFrame.setSpellCheckProvider('en-US', true, new SpellCheckProvider('en-US'));
+		if(ipc.sendSync('getConfig').spellcheck) {
+			var webFrame = require('electron').webFrame;
+			var SpellCheckProvider = require('electron-spell-check-provider');
+			webFrame.setSpellCheckProvider('en-US', true, new SpellCheckProvider('en-US'));
+		}
 	}
 
 	,reloadService: function(btn) {

app/view/preferences/Preferences.js

@@ -96,6 +96,12 @@ Ext.define('Rambox.view.preferences.Preferences',{
 						,boxLabel: 'Disable Hardware Acceleration (needs to relaunch)'
 						,value: config.disable_gpu
 					}
+					,{
+						 xtype: 'checkbox'
+						,name: 'spellcheck'
+						,boxLabel: 'Enable spellcheck (en_US)'
+						,value: config.spellcheck
+					}
 					,{
 						 xtype: 'fieldset'
 						,title: 'Master Password - Ask for password on startup'

electron/main.js

@@ -30,6 +30,7 @@ const config = new Config({
 		,systemtray_indicator: true
 		,master_password: false
 		,disable_gpu: process.platform === 'linux'
+		,spellcheck: false
 		,proxy: false
 		,proxyHost: ''
 		,proxyPort: ''