fix: no keyboard switch if .lang file in Rime dir

fix #6

Author: amorphobia

Rabbit.ahk

@@ -122,39 +122,12 @@ RabbitMain(args) {
 }
 
 ; https://www.autohotkey.com/boards/viewtopic.php?f=76&t=101183
-SetDefaultKeyboard(locale_id := 0) {
-    if !locale_id {
-        local key_map := Map(
-            "EN_US",    0x0409,
-            "EN_GB",    0x0809,
-            "EN_HK",    0x3c09,
-        )
-        local lang_path := RabbitUserDataPath() . "\.lang"
-        if FileExist(lang_path) {
-            local lang := FileRead(lang_path, "UTF-8")
-            local valid := lang && key_map.Has(StrUpper(StrReplace(lang, "-", "_")))
-            if !lang || !valid {
-                input_box := InputBox("当玉兔毫启动时，会将系统键盘切换到对应语言", "请输入语言代码", , "en_US")
-                if input_box.Result == "OK" {
-                    lang := input_box.Value
-                }
-                if lang && key_map.Has(StrUpper(StrReplace(lang, "-", "_"))) {
-                    FileDelete(lang_path)
-                    FileAppend(lang, lang_path, "UTF-8")
-                }
-            }
-            try
-                locale_id := key_map[StrUpper(StrReplace(lang, "-", "_"))]
-        }
-        if !locale_id
-            locale_id := 0x0409
-    }
-    local HWND_BROADCAST := 0xffff
-    local LOW_WORD := 0xffff
-    local WM_INPUTLANGCHANGEREQUEST := 0x0050
-    local locale_id_hex := Format("{:08x}", locale_id & LOW_WORD)
+SetDefaultKeyboard(locale_id := 0x0409) {
+    if FileExist(RabbitUserDataPath() . "\.lang")
+        return
+    local locale_id_hex := Format("{:08x}", locale_id & 0xffff)
     lang := DllCall("LoadKeyboardLayout", "Str", locale_id_hex, "Int", 0)
-    PostMessage(WM_INPUTLANGCHANGEREQUEST, 0, lang, HWND_BROADCAST)
+    PostMessage(WM_INPUTLANGCHANGEREQUEST := 0x0050, 0, lang, HWND_BROADCAST := 0xffff)
 }
 
 ExitRabbit(layout, reason, code) {