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Diffstat (limited to 'lib/Acc.ahk')
| -rw-r--r-- | lib/Acc.ahk | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/lib/Acc.ahk b/lib/Acc.ahk new file mode 100644 index 0000000..19fc83a --- /dev/null +++ b/lib/Acc.ahk @@ -0,0 +1,198 @@ +; http://www.autohotkey.com/board/topic/77303-acc-library-ahk-l-updated-09272012/ +; https://dl.dropbox.com/u/47573473/Web%20Server/AHK_L/Acc.ahk +;------------------------------------------------------------------------------ +; Acc.ahk Standard Library +; by Sean +; Updated by jethrow: +; Modified ComObjEnwrap params from (9,pacc) --> (9,pacc,1) +; Changed ComObjUnwrap to ComObjValue in order to avoid AddRef (thanks fincs) +; Added Acc_GetRoleText & Acc_GetStateText +; Added additional functions - commented below +; Removed original Acc_Children function +; last updated 2/25/2010 +;------------------------------------------------------------------------------ + +Acc_Init() +{ + Static h + If Not h + h:=DllCall("LoadLibrary","Str","oleacc","Ptr") +} +Acc_ObjectFromEvent(ByRef _idChild_, hWnd, idObject, idChild) +{ + Acc_Init() + If DllCall("oleacc\AccessibleObjectFromEvent", "Ptr", hWnd, "UInt", idObject, "UInt", idChild, "Ptr*", pacc, "Ptr", VarSetCapacity(varChild,8+2*A_PtrSize,0)*0+&varChild)=0 + Return ComObjEnwrap(9,pacc,1), _idChild_:=NumGet(varChild,8,"UInt") +} + +Acc_ObjectFromPoint(ByRef _idChild_ = "", x = "", y = "") +{ + Acc_Init() + If DllCall("oleacc\AccessibleObjectFromPoint", "Int64", x==""||y==""?0*DllCall("GetCursorPos","Int64*",pt)+pt:x&0xFFFFFFFF|y<<32, "Ptr*", pacc, "Ptr", VarSetCapacity(varChild,8+2*A_PtrSize,0)*0+&varChild)=0 + Return ComObjEnwrap(9,pacc,1), _idChild_:=NumGet(varChild,8,"UInt") +} + +Acc_ObjectFromWindow(hWnd, idObject = -4) +{ + Acc_Init() + If DllCall("oleacc\AccessibleObjectFromWindow", "Ptr", hWnd, "UInt", idObject&=0xFFFFFFFF, "Ptr", -VarSetCapacity(IID,16)+NumPut(idObject==0xFFFFFFF0?0x46000000000000C0:0x719B3800AA000C81,NumPut(idObject==0xFFFFFFF0?0x0000000000020400:0x11CF3C3D618736E0,IID,"Int64"),"Int64"), "Ptr*", pacc)=0 + Return ComObjEnwrap(9,pacc,1) +} + +Acc_WindowFromObject(pacc) +{ + If DllCall("oleacc\WindowFromAccessibleObject", "Ptr", IsObject(pacc)?ComObjValue(pacc):pacc, "Ptr*", hWnd)=0 + Return hWnd +} + +Acc_GetRoleText(nRole) +{ + nSize := DllCall("oleacc\GetRoleText", "Uint", nRole, "Ptr", 0, "Uint", 0) + VarSetCapacity(sRole, (A_IsUnicode?2:1)*nSize) + DllCall("oleacc\GetRoleText", "Uint", nRole, "str", sRole, "Uint", nSize+1) + Return sRole +} + +Acc_GetStateText(nState) +{ + nSize := DllCall("oleacc\GetStateText", "Uint", nState, "Ptr", 0, "Uint", 0) + VarSetCapacity(sState, (A_IsUnicode?2:1)*nSize) + DllCall("oleacc\GetStateText", "Uint", nState, "str", sState, "Uint", nSize+1) + Return sState +} + +Acc_SetWinEventHook(eventMin, eventMax, pCallback) +{ + Return DllCall("SetWinEventHook", "Uint", eventMin, "Uint", eventMax, "Uint", 0, "Ptr", pCallback, "Uint", 0, "Uint", 0, "Uint", 0) +} + +Acc_UnhookWinEvent(hHook) +{ + Return DllCall("UnhookWinEvent", "Ptr", hHook) +} +/* Win Events: + + pCallback := RegisterCallback("WinEventProc") + WinEventProc(hHook, event, hWnd, idObject, idChild, eventThread, eventTime) + { + Critical + Acc := Acc_ObjectFromEvent(_idChild_, hWnd, idObject, idChild) + ; Code Here: + + } +*/ + +; Written by jethrow +Acc_Role(Acc, ChildId=0) { + try return ComObjType(Acc,"Name")="IAccessible"?Acc_GetRoleText(Acc.accRole(ChildId)):"invalid object" +} +Acc_State(Acc, ChildId=0) { + try return ComObjType(Acc,"Name")="IAccessible"?Acc_GetStateText(Acc.accState(ChildId)):"invalid object" +} +Acc_Location(Acc, ChildId=0, byref Position="") { ; adapted from Sean's code + try Acc.accLocation(ComObj(0x4003,&x:=0), ComObj(0x4003,&y:=0), ComObj(0x4003,&w:=0), ComObj(0x4003,&h:=0), ChildId) + catch + return + Position := "x" NumGet(x,0,"int") " y" NumGet(y,0,"int") " w" NumGet(w,0,"int") " h" NumGet(h,0,"int") + return {x:NumGet(x,0,"int"), y:NumGet(y,0,"int"), w:NumGet(w,0,"int"), h:NumGet(h,0,"int")} +} +Acc_Parent(Acc) { + try parent:=Acc.accParent + return parent?Acc_Query(parent): +} +Acc_Child(Acc, ChildId=0) { + try child:=Acc.accChild(ChildId) + return child?Acc_Query(child): +} +Acc_Query(Acc) { ; thanks Lexikos - www.autohotkey.com/forum/viewtopic.php?t=81731&p=509530#509530 + try return ComObj(9, ComObjQuery(Acc,"{618736e0-3c3d-11cf-810c-00aa00389b71}"), 1) +} +Acc_Error(p="") { + static setting:=0 + return p=""?setting:setting:=p +} +Acc_Children(Acc) { + 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), Children.Insert(NumGet(varChildren,i-8)=9?Acc_Query(child):child), NumGet(varChildren,i-8)=9?ObjRelease(child): + return Children.MaxIndex()?Children: + } else + ErrorLevel := "AccessibleChildren DllCall Failed" + } + if Acc_Error() + throw Exception(ErrorLevel,-1) +} +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) +} +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) +}
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