#Requires AutoHotkey v2.0

filePath := "C:\file.txt"  ; Path to the file where text will be saved

; Define the hotkey using Hotkey function (Win + X)
Hotkey("#x", ShowInputForm)

ShowInputForm(*) {
    myGui := Gui("+AlwaysOnTop", "Text Appender")
    myGui.SetFont("s10")
    myGui.Add("Text", , "Enter text:")
    inputBox := myGui.Add("Edit", "w300 r4") ; Multi-line Edit box
    myGui.Add("Button", "w140 Default", "Save").OnEvent("Click", (*) => SaveText(inputBox, filePath, myGui))
    myGui.Add("Button", "w140", "Cancel").OnEvent("Click", (*) => myGui.Destroy())
    myGui.Show("AutoSize Center")
}

SaveText(inputBox, filePath, guiRef) {
    inputText := Trim(inputBox.Value)

    if (inputText = "") {
        MsgBox("Please, add some text", "Empty Input", "Icon! T2")
        return
    }

    FileAppend inputText "`r`n", filePath
    guiRef.Destroy()
}