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#NoEnv
#SingleInstance force

OnMessage(0x200, "WM_MOUSEMOVE")

Gui, Show, w300 h300
return

GuiClose:
exitApp

WM_MOUSEMOVE() {
static hidden:=0
; mouse moved and cursor is hidden -> show it
if hidden {
    DllCall("ShowCursor", "Int", 1)
    hidden:=0
    return
  }
; specify negative period to run timer only one:
SetTimer, hideCursor, -2000
return

hideCursor:
DllCall("ShowCursor", "Int", 0)
hidden:=1
return
}

Last_Move := A_TickCount
State := True

Loop
{
   MouseGetPos, Mouse_X, Mouse_Y
   If(Mouse_X != Last_X || Mouse_Y != Last_Y)
   {
      If(State == False)
         SystemCursor("On")
      State := True
      Last_Move := A_TickCount
   }
   If(A_TickCount > Last_Move + 3000 && State == True) ;Change the 3000 to the desired time...
   {
      SystemCursor("Off")
      State := False
   }
   Last_X := Mouse_X, Last_Y := Mouse_Y
}



;### This function taken from the tutorial ###

SystemCursor(OnOff=1)   ; INIT = "I","Init"; OFF = 0,"Off"; TOGGLE = -1,"T","Toggle"; ON = others
{
    static AndMask, XorMask, $, h_cursor
        ,c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13 ; system cursors
        , b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13   ; blank cursors
        , h1,h2,h3,h4,h5,h6,h7,h8,h9,h10,h11,h12,h13   ; handles of default cursors
    if (OnOff = "Init" or OnOff = "I" or $ = "")       ; init when requested or at first call
    {
        $ = h                                          ; active default cursors
        VarSetCapacity( h_cursor,4444, 1 )
        VarSetCapacity( AndMask, 32*4, 0xFF )
        VarSetCapacity( XorMask, 32*4, 0 )
        system_cursors = 32512,32513,32514,32515,32516,32642,32643,32644,32645,32646,32648,32649,32650
        StringSplit c, system_cursors, `,
        Loop %c0%
        {
            h_cursor   := DllCall( "LoadCursor", "uint",0, "uint",c%A_Index% )
            h%A_Index% := DllCall( "CopyImage",  "uint",h_cursor, "uint",2, "int",0, "int",0, "uint",0 )
            b%A_Index% := DllCall("CreateCursor","uint",0, "int",0, "int",0
                , "int",32, "int",32, "uint",&AndMask, "uint",&XorMask )
        }
    }
    if (OnOff = 0 or OnOff = "Off" or $ = "h" and (OnOff < 0 or OnOff = "Toggle" or OnOff = "T"))
        $ = b  ; use blank cursors
    else
        $ = h  ; use the saved cursors

    Loop %c0%
    {
        h_cursor := DllCall( "CopyImage", "uint",%$%%A_Index%, "uint",2, "int",0, "int",0, "uint",0 )
        DllCall( "SetSystemCursor", "uint",h_cursor, "uint",c%A_Index% )
    }
}