#SingleInstance Off

Gui, Color, , F0F0F0 ;Change the background colour here
Gui, +LastFound
Gui, Margin, 5, 5
Gui, Font, s18 c000000, Cambria   ;Change the font size (s), colour (c), or type here
Gui, Add, Edit, vMyEdit w900 h800 +Multi +WantReturn +WantTab -VScroll   ;Change the window size here (w and h)
Gui, -MaximizeBox
Gui, -MinimizeBox
Gui, Show,,

; Save functionality (Ctrl+S)
^s::
    Gui, Submit, NoHide
    if (CurrentFilePath = "") {
        ; If no file is currently open, behave like Save As
        FileSelectFile, SavePath, S16, , Save Text File, Text Files (*.txt)
        if (SavePath != "") {
            if !InStr(SavePath, ".txt")
                SavePath .= ".txt"
            CurrentFilePath := SavePath
        }
    } else {
        SavePath := CurrentFilePath
    }

    if (SavePath != "") {
        FileDelete, %SavePath%
        FileAppend, %MyEdit%, %SavePath%
        SplitPath, SavePath, fileName
    }
return

; Open functionality
^o::
    FileSelectFile, FilePath, 3, , Open Text File, Text Files (*.txt)
    if (FilePath != "") {
        FileRead, FileContent, %FilePath%
        if (!ErrorLevel) {
            GuiControl,, MyEdit, %FileContent%
        }
    }
return

^n::Run, %A_ScriptFullPath%

#IfWinActive

GuiClose:
ExitApp

^Backspace::
send, ^+{left}
sleep 50
send, {del}
return