Added ibus hook for host interface

modules/ibus/init.lua

@@ -1,9 +1,27 @@
 local util = require("modules.ibus.util")
+local popup = require("modules.ibus.popup")
+local widget = require("modules.ibus.widget")
 
 return {
 	widget = require("modules.ibus.widget").widget,
 	keybinds = require("modules.ibus.keybinds"),
 
+	set = function(lang)
+		-- Switch to a language. Used by host interface.
+
+		local lang_id
+		for k, v in pairs(config.ibus.language_list) do
+			if (v["indicator_code"] == lang) then
+				lang_id = k
+			end
+		end
+
+		util.set(lang_id, function()
+			popup.update()
+			widget.update()
+		end)
+	end,
+
 	init = function()
 		util.set(1)
 	end