控件系统hide机制大改，实现房间内聊天框功能

parts/gametoolfunc.lua

@@ -1,3 +1,4 @@
+local kb=love.keyboard
 local gc=love.graphics
 local gc_push,gc_pop=gc.push,gc.pop
 local gc_origin,gc_translate=gc.origin,gc.translate
@@ -11,6 +12,7 @@ local SETTING,GAME,SCR=SETTING,GAME,SCR
 
 
 --System
+function enableTextInput()if not MOBILE then kb.setTextInput(true)end end
 function switchFullscreen()
 	SETTING.fullscreen=not SETTING.fullscreen
 	love.window.setFullscreen(SETTING.fullscreen)