Mouse Wheel Tab Scroll For Chrome

MouseWheelTabScroll4Chrome.ahk

; Mouse Wheel Tab Scroll 4 Chrome
; -------------------------------
; Scroll though Chrome tabs with your mouse wheel when hovering over the tab bar.
; If the Chrome window is inactive when starting to scroll, it will be activated.

#NoEnv	; Recommended for performance and compatibility with future AutoHotkey releases.
#Warn	; Enable warnings to assist with detecting common errors.
#SingleInstance force	; Determines whether a script is allowed to run again when it is already running.
#UseHook Off	; Using the keyboard hook is usually preferred for hotkeys - but here we only need the mouse hook.
#InstallMouseHook
#MaxHotkeysPerInterval 1000	; Avoids warning messages for high speed wheel users.

SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
Menu, Tray, Tip, Mousewheel Tab Scroll for Chrome (1.0.4)

WheelUp::
WheelDown::
	MouseGetPos,, ypos, id
	WinGetClass, class, ahk_id %id%
	If (ypos < 45 and (InStr(class,"Chrome_WidgetWin") or InStr(class, "MozillaWindowClass") or InStr(class, "ApplicationFrameWindow")))
	{
		IfWinNotActive ahk_id %id%
			WinActivate ahk_id %id%
		If A_ThisHotkey = WheelUp
			Send ^+{Tab}
		Else
			Send ^{Tab}
	}
	Else
	{
		If A_ThisHotkey = WheelUp
			Send {WheelUp}
		Else
			Send {WheelDown}
	}
	Return