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For multi-language Windows users, make the keyboard choice prominent when it changes
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| #Requires AutoHotkey v2.0 | |
| #SingleInstance Force | |
| global popup, langText, guiCreated := false, prevLangID := 0 | |
| ; Check the keyboard layout every 200ms | |
| SetTimer(CheckKeyboardLayout, 200) | |
| CheckKeyboardLayout() { | |
| global popup, langText, guiCreated, prevLangID | |
| ; Get focused window handle | |
| hwndFocus := GetFocusedWindowHandle() | |
| if (!hwndFocus) { | |
| ToolTip("No window in focus") | |
| SetTimer(() => ToolTip(""), -1000) | |
| return | |
| } | |
| ; Retrieve the language ID of the keyboard layout for the focused window | |
| langID := GetKeyboardLangID(hwndFocus) | |
| ; Exit if the language hasn't changed | |
| if (langID = prevLangID) | |
| return | |
| ; Store the new language ID | |
| prevLangID := langID | |
| ; Get the middle of the active window | |
| try { | |
| WinGetPos(&x, &y, &w, &h, "A") | |
| x := x + w // 2 | |
| y := y + h // 2 | |
| } catch as e { | |
| x := 0 | |
| y := 0 | |
| } | |
| ; If it doesn't exist, create the GUI object | |
| if (!guiCreated) { | |
| popup := Gui("+AlwaysOnTop -Caption +ToolWindow") | |
| popup.SetFont("s32 Bold cFFFFFF", "Arial") | |
| langText := popup.Add("Text", "Center", LangIDToLabel(langID).label) | |
| guiCreated := true | |
| } | |
| ; Set the language text and background color | |
| langText.Text := LangIDToLabel(langID).label | |
| popup.BackColor := LangIDToLabel(langID).color | |
| ; Show the popup at the chosen position | |
| popup.Show("x" x " y" y " NoActivate") | |
| ; Hide the popup after 1.5 second | |
| SetTimer(HideLayoutGui, -1500) | |
| } | |
| GetKeyboardLangID(hWnd) { | |
| ; Retrieve the thread ID for the window | |
| threadID := DllCall("GetWindowThreadProcessId", "Ptr", hWnd, "Ptr", 0, "UInt") | |
| ; Retrieve the current keyboard layout for that thread | |
| currentLayout := DllCall("GetKeyboardLayout", "UInt", threadID, "Ptr") | |
| ; Extract the language ID (low word) | |
| langID := currentLayout & 0xFFFF | |
| ; Return the language ID | |
| return langID | |
| } | |
| LangIDToLabel(langID) { | |
| ; Determine language code and background color | |
| if (langID = 0x0409) { | |
| ; English (US International) | |
| label := "ENG" | |
| color := "797300" | |
| } else if (langID = 0x040C) { | |
| ; French (US International) | |
| label := "FRA" | |
| color := "090fc7" | |
| } else if (langID = 0x040D) { | |
| ; Hebrew (Standard) | |
| label := "HEB" | |
| color := "af0101" | |
| } else { | |
| label := Format("0x{:04X}", langID) | |
| color := "FFFFFF" ; White fallback | |
| } | |
| ; Return an object with both lang and color | |
| return { label: label, color: color } | |
| } | |
| HideLayoutGui() { | |
| global popup | |
| popup.Hide() | |
| } | |
| GetFocusedWindowHandle() { | |
| info := Buffer(72, 0) | |
| NumPut("UInt", 72, info) ; Set the cbSize member to 72 | |
| res := DllCall("GetGUIThreadInfo", "UInt", 0, "Ptr", info.Ptr) | |
| if (!res) | |
| return 0 | |
| return NumGet(info, 16, "Ptr") | |
| } |
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