Autohotkey script to mimic the behaviour of Clover/QTTabbar when double clicking an empty space within the explorer window to go up one level.

explorer_double_click_go_up.ahk

#NoEnv
#SingleInstance Force
SendMode Input
SetWorkingDir %A_ScriptDir%

#If (WinActive("ahk_class CabinetWClass") or WinActive("ahk_class #32770"))
~LButton::
if (A_PriorHotkey != "~LButton" or A_TimeSincePriorHotkey > 300) {
    KeyWait, LButton
} else {
    MouseGetPos, xpos, ypos
    ; WinGetPos, X, Y,,, A
    ; MsgBox, The active window is at %X%`,%Y%, The cursor is at X%xpos% Y%ypos%.
    PixelGetColor, color, %xpos%, %ypos%
    background = 0x191919
    ; (change variable 'background' depending on your theme)
    ; dark theme = 0x191919 // light theme = 0xFFFFFF
    if (color == background && xpos >= 150 && ypos >= 165) {
        Send !{Up}
        Sleep, 300
    }
}
Return
#If