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I am trying to write a MacOS app which switch input methods by previously assigned shortcut(command+space in here). Switching input methods preoperly works so that the language icon at the status bar(top right) immediately changes as I put the shortcut. The problem I got in here is that the actual input method does not change. For example, if I run my app when the selected input method is Korean, then although the status bar is showing the selected input method is Japanese after command+space, what I can only type is Korean characters. However, after I change focus to another text app(e.g. from sublime text to xcode), only then the selected input method is reflected well. I am using MacOS Monterey 12.6 and Xcode 13.1.
My project contains two source files. The code in the file AppDelegate.swift is as follows:
import Cocoa
@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {
var switcher = Switcher()
}
And the code in the file Switcher.swift is as follows:
import Cocoa
import MASShortcut
class Switcher{
var lang: Int = 0
var kr: TISInputSource?
var jp: TISInputSource?
var en: TISInputSource?
init(){
let inputSourceNSArray = TISCreateInputSourceList(nil, false).takeRetainedValue() as NSArray
let inputSourceList = inputSourceNSArray as! [TISInputSource]
for inputSource in inputSourceList {
if inputSource.id == "com.apple.inputmethod.Korean.2SetKorean" {
self.kr = inputSource
}
if inputSource.id == "com.apple.inputmethod.Kotoeri.RomajiTyping.Japanese" {
self.jp = inputSource
}
if inputSource.id == "com.apple.keylayout.ABC" {
self.en = inputSource
}
}
self.register()
}
func switchLang(){
self.lang = (self.lang + 1) % 3
switch lang {
case 0:
TISSelectInputSource(self.kr)
case 1:
TISSelectInputSource(self.jp)
case 2:
TISSelectInputSource(self.en)
default:
print("error")
}
}
func register() {
let langShortcut = MASShortcut(keyCode: kVK_Space, modifierFlags: [.command])
MASShortcutMonitor.shared()?.register(langShortcut, withAction: {
self.switchLang()
})
}
}
I wrote these codes by referring KAWA, but KAWA does not make this issue. I have analyzed all codes of KAWA several times, I couldn't find out why the same problem does not occur in KAWA. I am quite new to Swift, and I have no idea to approach. Could you help me....? Thank you.
Posted
by
Richardliang.
Last updated
Richardliang.
.