gistfile1.ahk

SetTitleMatchMode 2
MsgBox % Acc_Get("Value", "4.20.2.4.2", 0, "Firefox") 
MsgBox % Acc_Get("Value", "application1.property_page1.tool_bar2.combo_box1.editable_text1", 0, "Firefox")





Acc_Get(Cmd, ChildPath="", ChildID=0, WinTitle="", WinText="", ExcludeTitle="", ExcludeText="") {
	static properties := {Action:"DefaultAction", DoAction:"DoDefaultAction", Keyboard:"KeyboardShortcut"}
	AccObj :=   IsObject(WinTitle)? WinTitle
			:   Acc_ObjectFromWindow( WinExist(WinTitle, WinText, ExcludeTitle, ExcludeText), 0 )
	if ComObjType(AccObj, "Name") != "IAccessible"
		ErrorLevel := "Could not access an IAccessible Object"
	else {
		StringReplace, ChildPath, ChildPath, _, %A_Space%, All
		AccError:=Acc_Error(), Acc_Error(true)
		Loop Parse, ChildPath, ., %A_Space%
			try {
				if A_LoopField is digit
					Children:=Acc_Children(AccObj), m2:=A_LoopField ; mimic "m2" output in else-statement
				else
					RegExMatch(A_LoopField, "(\D*)(\d*)", m), Children:=Acc_ChildrenByRole(AccObj, m1), m2:=(m2?m2:1)
				if Not Children.HasKey(m2)
					throw
				AccObj := Children[m2]
			} catch {
				ErrorLevel:="Cannot access ChildPath Item #" A_Index " -> " A_LoopField, Acc_Error(AccError)
				if Acc_Error()
					throw Exception("Cannot access ChildPath Item", -1, "Item #" A_Index " -> " A_LoopField)
				return
			}
		Acc_Error(AccError)
		StringReplace, Cmd, Cmd, %A_Space%, , All
		properties.HasKey(Cmd)? Cmd:=properties[Cmd]:
		try {
			if (Cmd = "Location")
				AccObj.accLocation(ComObj(0x4003,&x:=0), ComObj(0x4003,&y:=0), ComObj(0x4003,&w:=0), ComObj(0x4003,&h:=0), ChildId)
			      , ret_val := "x" NumGet(x,0,"int") " y" NumGet(y,0,"int") " w" NumGet(w,0,"int") " h" NumGet(h,0,"int")
			else if (Cmd = "Object")
				ret_val := AccObj
			else if Cmd in Role,State
				ret_val := Acc_%Cmd%(AccObj, ChildID+0)
			else if Cmd in ChildCount,Selection,Focus
				ret_val := AccObj["acc" Cmd]
			else
				ret_val := AccObj["acc" Cmd](ChildID+0)
		} catch {
			ErrorLevel := """" Cmd """ Cmd Not Implemented"
			if Acc_Error()
				throw Exception("Cmd Not Implemented", -1, Cmd)
			return
		}
		return ret_val, ErrorLevel:=0
	}
	if Acc_Error()
		throw Exception(ErrorLevel,-1)
}
Acc_Error(p="") {
   static setting:=0
   return p=""?setting:setting:=p
}
Acc_ChildrenByRole(Acc, Role) {
   if ComObjType(Acc,"Name")!="IAccessible"
      ErrorLevel := "Invalid IAccessible Object"
   else {
      Acc_Init(), cChildren:=Acc.accChildCount, Children:=[]
      if DllCall("oleacc\AccessibleChildren", "Ptr",ComObjValue(Acc), "Int",0, "Int",cChildren, "Ptr",VarSetCapacity(varChildren,cChildren*(8+2*A_PtrSize),0)*0+&varChildren, "Int*",cChildren)=0 {
         Loop %cChildren% {
            i:=(A_Index-1)*(A_PtrSize*2+8)+8, child:=NumGet(varChildren,i)
            if NumGet(varChildren,i-8)=9
               AccChild:=Acc_Query(child), ObjRelease(child), Acc_Role(AccChild)=Role?Children.Insert(AccChild):
            else
               Acc_Role(Acc, child)=Role?Children.Insert(child):
         }
         return Children.MaxIndex()?Children:, ErrorLevel:=0
      } else
         ErrorLevel := "AccessibleChildren DllCall Failed"
   }
   if Acc_Error()
      throw Exception(ErrorLevel,-1)
}