tabs-scroll.ahk

CoordMode, Mouse, Client

GroupAdd, Browsers, ahk_class MozillaWindowClass
GroupAdd, Browsers, ahk_class Chrome_WidgetWin_1
return

IsWithinTabBar() {
    yOffset := 0
    height := 30

    MouseGetPos, x, y
    WinGetPos, ,, width

    return ((x > 0)                 ; left
        and (x < width)             ; right
        and (y > yOffset)           ; top
        and (y < yOffset + height)) ; bottom
}

#IfWinActive ahk_group Browsers

~WheelUp::
    if IsWithinTabBar() {
        Send, ^+{Tab}
    }
    return
~WheelDown::
    if IsWithinTabBar() {
        Send, ^{Tab}
    }
    return