chrome-tab-scrolling.ahk

;; Wheel Scroll Tabs for Google Chrome

#NoEnv
#SingleInstance, Force
CoordMode, Mouse, Screen

~$WheelDown::
~$WheelUp::
    MouseGetPos, mouseX, mouseY, hoveredWin
    WinGetPos, winX, winY, winW, , ahk_id %hoveredWin%
    WinGetClass, hoveredClass, ahk_id %hoveredWin%
    if (mouseX >= winX and mouseX < winX + winW and mouseY >= winY and mouseY < winY + 34 and hoveredClass = "Chrome_WidgetWin_1") {
        ControlFocus, , ahk_id %hoveredWin%
        if (A_ThisHotkey = "~$WheelDown") {
            ControlSend, , {Ctrl down}{PgDn}{Ctrl up}, ahk_id %hoveredWin%
        } else {
            ControlSend, , {Ctrl down}{PgUp}{Ctrl up}, ahk_id %hoveredWin%
        }
    }