Implements the right-mouse popup menus in the editor in SDL to make it match to Windows.

Engine/source/platformSDL/menus/guiPlatformGenericMenuBar.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "gui/editor/guiMenuBar.h"
+#include "platformSDL/menus/PlatformSDLPopupMenuData.h"
+#include "platform/menus/popupMenu.h"
+
+class GuiPlatformGenericMenuBar : public GuiMenuBar
+{
+   typedef GuiMenuBar Parent;
+public:
+   DECLARE_CONOBJECT(GuiPlatformGenericMenuBar);
+
+   virtual void menuItemSelected(Menu *menu, MenuItem *item)
+   {
+      AssertFatal(menu && item, "");
+
+      PopupMenu *popupMenu = PlatformPopupMenuData::mMenuMap[menu];
+      AssertFatal(popupMenu, "");
+
+      popupMenu->handleSelect(item->id);
+
+      Parent::menuItemSelected(menu, item);
+   }
+
+protected:
+   /// menu id / item id
+   Map<CompoundKey<U32, U32>, String> mCmds;
+
+};