added OS in process.platform for web app

pd/nw/pd_shortcuts.js

 "use strict";
 
-var is_webapp = typeof process === "undefined";
-var is_mac = is_webapp ? navigator.platform.toUpperCase().indexOf("MAC") > -1 : process.platform === "darwin";
 var cmd_or_ctrl = is_mac ? "Cmd" : "Ctrl";
 
-
 exports.menu = {
   "new":   { key: "N", modifiers: cmd_or_ctrl },
   "open":   { key: "O", modifiers: cmd_or_ctrl },
@@ -98,7 +95,7 @@ exports.menu = {
   "find_web":   { key: "F", modifiers: cmd_or_ctrl },
   "findagain_web":{ key: "F", modifiers: cmd_or_ctrl + "+Shift"},
   "editmode_web": { key: "E", modifiers: cmd_or_ctrl + "+Shift" },
-  "preferences_web": { key: (is_mac) ? "," : "P",
+  "preferences_web": { key: (process.platform === "darwin") ? "," : "P",
     modifiers: cmd_or_ctrl },
 
   "zoomin_web": { key: "=", modifiers: cmd_or_ctrl },
@@ -107,8 +104,8 @@ exports.menu = {
   "zoomoptimal_web": { key: "9", modifiers: cmd_or_ctrl },
   "zoomhoriz_web": { key: "9", modifiers: cmd_or_ctrl },
   "zoomvert_web": { key: "9", modifiers: cmd_or_ctrl + "+Shift" },
-  "fullscreen_web": { key: (is_mac) ? "F" : "F11",
-    modifiers: (is_mac) ? "Cmd+Ctrl" : null },
+  "fullscreen_web": { key: (process.platform === "darwin") ? "F" : "F11",
+    modifiers: (process.platform === "darwin") ? "Cmd+Ctrl" : null },
 
   "object_web": { key: "1", modifiers: cmd_or_ctrl },
   "msgbox_web": { key: "2", modifiers: cmd_or_ctrl },

pd/nw/pdgui.js

@@ -12,6 +12,13 @@ function is_webapp(){
 
 exports.is_webapp = is_webapp;
 
+if (is_webapp()) {
+    if (navigator.platform.toUpperCase().indexOf("MAC") > -1) {
+        process.platform = "darwin";
+    } else if (navigator.platform.toUpperCase().indexOf("WIN") > -1) {
+        process.platform = "win32";
+    }
+}
 
 exports.set_pwd = function(pwd_string) {
     pwd = pwd_string;