; ported to AHK v2.0-beta by @krasnovpro
; https://www.autohotkey.com/boards/viewtopic.php?f=6&t=1229

; ----------------------------------------------------------------------------------------------------------------------
; Name ..........: TrayIcon library
; Description ...: Provide some useful functions to deal with Tray icons.
; AHK Version ...: AHK_L 1.1.22.02 x32/64 Unicode
; Code from .....: Sean (http://www.autohotkey.com/forum/viewtopic.php?t=17314)
; Author ........: Cyruz (http://ciroprincipe.info) (http://ahkscript.org/boards/viewtopic.php?f=6&t=1229)
; Mod from ......: Fanatic Guru - Cyruz
; License .......: WTFPL - http://www.wtfpl.net/txt/copying/
; Version Date ..: 2019.03.12
; Upd.20160120 ..: Fanatic Guru - Went through all the data types in the DLL and NumGet and matched them up to MSDN
; ...............:                which fixed idCmd.
; Upd.20160308 ..: Fanatic Guru - Fix for Windows 10 NotifyIconOverflowWindow.
; Upd.20180313 ..: Fanatic Guru - Fix problem with "VirtualFreeEx" pointed out by nnnik.
; Upd.20180313 ..: Fanatic Guru - Additional fix for previous Windows 10 NotifyIconOverflowWindow fix breaking non
; ...............:                hidden icons.
; Upd.20190312 ..: Cyruz        - Added TrayIcon_Set, code merged and refactored.
; ----------------------------------------------------------------------------------------------------------------------

; ----------------------------------------------------------------------------------------------------------------------
; Function ......: TrayIcon_GetInfo
; Description ...: Get a series of useful information about tray icons.
; Parameters ....: sExeName  - The exe for which we are searching the tray icon data. Leave it empty to receive data for
; ...............:             all tray icons.
; Return ........: oTrayInfo - An array of objects containing tray icons data. Any entry is structured like this:
; ...............:             oTrayInfo[A_Index].idx     - 0 based tray icon index.
; ...............:             oTrayInfo[A_Index].idcmd   - Command identifier associated with the button.
; ...............:             oTrayInfo[A_Index].pid     - Process ID.
; ...............:             oTrayInfo[A_Index].uid     - Application defined identifier for the icon.
; ...............:             oTrayInfo[A_Index].msgid   - Application defined callback message.
; ...............:             oTrayInfo[A_Index].hicon   - Handle to the tray icon.
; ...............:             oTrayInfo[A_Index].hwnd    - Window handle.
; ...............:             oTrayInfo[A_Index].class   - Window class.
; ...............:             oTrayInfo[A_Index].process - Process executable.
; ...............:             oTrayInfo[A_Index].tray    - Tray Type (Shell_TrayWnd or NotifyIconOverflowWindow).
; ...............:             oTrayInfo[A_Index].tooltip - Tray icon tooltip.
; Info ..........: TB_BUTTONCOUNT message - http://goo.gl/DVxpsg
; ...............: TB_GETBUTTON message   - http://goo.gl/2oiOsl
; ...............: TBBUTTON structure     - http://goo.gl/EIE21Z
; ----------------------------------------------------------------------------------------------------------------------

TrayIcon_GetInfo(sExeName := "") {
    dhw := A_DetectHiddenWindows
    DetectHiddenWindows(1)
  
    oTrayInfo    := []
    for sTray in ["Shell_TrayWnd", "NotifyIconOverflowWindow"] {
      idxTB      := TrayIcon_GetTrayBar(sTray)
      pidTaskbar := WinGetPID("ahk_class " sTray)
  
      hProc      := DllCall("OpenProcess",    "UInt",0x38, "Int",0, "UInt",pidTaskbar)
      pRB        := DllCall("VirtualAllocEx", "Ptr",hProc, "Ptr",0, "UPtr",20, "UInt",0x1000, "UInt",0x04)
  
      btn        := Buffer(A_Is64bitOS ? 32 : 20, 0)
      nfo        := Buffer(A_Is64bitOS ? 32 : 24, 0)
      tip        := Buffer(128 * 2, 0)
  
      res := SendMessage(TB_BUTTONCOUNT := 0x0418, 0, 0, "ToolbarWindow32" idxTB, "ahk_class " sTray)
      Loop res {
        SendMessage(TB_GETBUTTON := 0x0417, A_Index - 1, pRB, "ToolbarWindow32" idxTB, "ahk_class " sTray)
  
        DllCall("ReadProcessMemory", "Ptr",hProc, "Ptr",pRB, "Ptr",btn.Ptr, "UPtr",btn.Size, "UPtr",0)
        iBitmap  := NumGet(btn, 0, "Int")
        idCmd    := NumGet(btn, 4, "Int")
        fsState  := NumGet(btn, 8, "UChar")
        fsStyle  := NumGet(btn, 9, "UChar")
        dwData   := NumGet(btn, A_Is64bitOS ? 16 : 12, "UPtr")
        iString  := NumGet(btn, A_Is64bitOS ? 24 : 16, "Ptr")
        DllCall("ReadProcessMemory", "Ptr",hProc, "Ptr",dwData, "Ptr",nfo.Ptr, "UPtr",nfo.Size, "UPtr",0)
  
        hWnd     := NumGet(nfo, 0, "Ptr")
        uId      := NumGet(nfo, A_Is64bitOS ?  8 :  4, "UInt")
        msgId    := NumGet(nfo, A_Is64bitOS ? 12 :  8, "UPtr")
        hIcon    := NumGet(nfo, A_Is64bitOS ? 24 : 20, "Ptr")
  
        nPid     := WinGetPID("ahk_id " hWnd)
        sProcess := WinGetProcessName("ahk_id " hWnd)
        sClass   := WinGetClass("ahk_id " hWnd)
  
        if not sExeName or sExeName == sProcess or sExeName == nPid {
          DllCall("ReadProcessMemory"   , "Ptr",hProc, "Ptr",iString, "Ptr",tip.Ptr, "UPtr",tip.Size, "UPtr",0)
          oTrayInfo.Push(Map( "idx"     , A_Index - 1
                            , "idcmd"   , idCmd
                            , "pid"     , nPid
                            , "uid"     , uId
                            , "msgid"   , msgId
                            , "hicon"   , hIcon
                            , "hwnd"    , hWnd
                            , "class"   , sClass
                            , "process" , sProcess
                            , "tooltip" , StrGet(tip.Ptr, "UTF-16")
                            , "tray"    , sTray))
        }
      }
      DllCall("VirtualFreeEx", "Ptr",hProc, "Ptr",pRB, "UPtr",0, "UInt",0x8000)
      DllCall("CloseHandle",   "Ptr",hProc)
    }
    DetectHiddenWindows(dhw)
    return oTrayInfo
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_Hide
  ; Description ..: Hide or unhide a tray icon.
  ; Parameters ...: idCmd - Command identifier associated with the button.
  ; ..............: sTray - Place where to find the icon ("Shell_TrayWnd" or "NotifyIconOverflowWindow").
  ; ..............: bHide - True for hide, False for unhide.
  ; Info .........: TB_HIDEBUTTON message - http://goo.gl/oelsAa
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_Hide(idCmd, sTray := "Shell_TrayWnd", bHide := true) {
    dhw := A_DetectHiddenWindows
    DetectHiddenWindows(1)
    idxTB := TrayIcon_GetTrayBar()
    SendMessage(TB_HIDEBUTTON := 0x0404, idCmd, bHide, "ToolbarWindow32" idxTB, "ahk_class " sTray)
    SendMessage(0x001A, 0, 0,, "ahk_class " sTray)
    DetectHiddenWindows(dhw)
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_Delete
  ; Description ..: Delete a tray icon.
  ; Parameters ...: idx   - 0 based tray icon index.
  ; ..............: sTray - Place where to find the icon ("Shell_TrayWnd" or "NotifyIconOverflowWindow").
  ; Info .........: TB_DELETEBUTTON message - http://goo.gl/L0pY4R
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_Delete(idx, sTray := "Shell_TrayWnd") {
      dhw := A_DetectHiddenWindows
      DetectHiddenWindows(1)
      idxTB := TrayIcon_GetTrayBar()
      SendMessage(TB_DELETEBUTTON := 0x0416, idx, 0, "ToolbarWindow32" idxTB, "ahk_class " sTray)
      SendMessage(0x001A, 0, 0,, "ahk_class " sTray)
      DetectHiddenWindows(dhw)
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_Remove
  ; Description ..: Remove a Tray icon. It should be more reliable than TrayIcon_Delete.
  ; Parameters ...: hWnd - Window handle.
  ; ..............: uId  - Application defined identifier for the icon.
  ; Info .........: NOTIFYICONDATA structure  - https://goo.gl/1Xuw5r
  ; ..............: Shell_NotifyIcon function - https://goo.gl/tTSSBM
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_Remove(hWnd, uId) {
    NID := Buffer(2 * 384 + A_PtrSize * 5 + 40, 0)
    NumPut("UPtr", NID.Size, NID, 0)
    NumPut("UPtr", hWnd,     NID, A_PtrSize)
    NumPut("UPtr", uId,      NID, A_PtrSize * 2)
    return DllCall("Shell32.dll\Shell_NotifyIcon", "UInt",0x2, "UInt",NID.Ptr)
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_Move
  ; Description ..: Move a tray icon.
  ; Parameters ...: idxOld - 0 based index of the tray icon to move.
  ; ..............: idxNew - 0 based index where to move the tray icon.
  ; ..............: sTray  - Place where to find the icon ("Shell_TrayWnd" or "NotifyIconOverflowWindow").
  ; Info .........: TB_MOVEBUTTON message - http://goo.gl/1F6wPw
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_Move(idxOld, idxNew, sTray := "Shell_TrayWnd") {
    dhw := A_DetectHiddenWindows
    DetectHiddenWindows(1)
    idxTB := TrayIcon_GetTrayBar()
    SendMessage 0x452, idxOld, idxNew, "ToolbarWindow32" idxTB, "ahk_class " sTray ; TB_MOVEBUTTON := 0x452
    DetectHiddenWindows(dhw)
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_Set
  ; Description ..: Modify icon with the given index for the given window.
  ; Parameters ...: hWnd       - Window handle.
  ; ..............: uId        - Application defined identifier for the icon.
  ; ..............: hIcon      - Handle to the tray icon.
  ; ..............: hIconSmall - Handle to the small icon, for window menubar. Optional.
  ; ..............: hIconBig   - Handle to the big icon, for taskbar. Optional.
  ; Return .......: True on success, false on failure.
  ; Info .........: NOTIFYICONDATA structure  - https://goo.gl/1Xuw5r
  ; ..............: Shell_NotifyIcon function - https://goo.gl/tTSSBM
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_Set(hWnd, uId, hIcon, hIconSmall := 0, hIconBig := 0) {
    dhw := A_DetectHiddenWindows
    DetectHiddenWindows(1)
    if hIconSmall
      SendMessage(WM_SETICON := 0x0080, 0, hIconSmall,, "ahk_id " hWnd)
    if hIconBig
      SendMessage(WM_SETICON := 0x0080, 1, hIconBig,, "ahk_id " hWnd)
    DetectHiddenWindows(dhw)
  
    NID := Buffer(2 * 384 + A_PtrSize * 5 + 40, 0)
    NumPut("UPtr", NID.Size, NID, 0)
    NumPut("UPtr", hWnd,     NID, (A_PtrSize == 4)? 4  : 8)
    NumPut("UPtr", uId,      NID, (A_PtrSize == 4)? 8  : 16)
    NumPut("UPtr", 2,        NID, (A_PtrSize == 4)? 12 : 20)
    NumPut("UPtr", hIcon,    NID, (A_PtrSize == 4)? 20 : 32)
  
    return DllCall("Shell32.dll\Shell_NotifyIcon", "UInt",NIM_MODIFY := 0x1, "Ptr",NID.Ptr)
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_GetTrayBar
  ; Description ..: Get the tray icon handle.
  ; Parameters ...: sTray - Traybar to retrieve.
  ; Return .......: Tray icon handle.
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_GetTrayBar(sTray := "Shell_TrayWnd") {
    idxTB := "", nTB := ""
    dhw := A_DetectHiddenWindows
    DetectHiddenWindows(1)
    for k in WinGetControls("ahk_class " sTray)
      if RegExMatch(k, "(?<=ToolbarWindow32)\d+(?!.*ToolbarWindow32)", &nTB)
        loop nTB[] {
          hWnd    := ControlGetHwnd("ToolbarWindow32" A_Index, "ahk_class " sTray)
          hParent := DllCall("GetParent", "Ptr",hWnd)
          sClass  := WinGetClass("ahk_id " hParent)
          if not (sClass == "SysPager" or sClass == "NotifyIconOverflowWindow")
            continue
          idxTB := A_Index
          break
        }
    DetectHiddenWindows(dhw)
    return idxTB
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_GetHotItem
  ; Description ..: Get the index of tray's hot item.
  ; Return .......: Index of tray's hot item.
  ; Info .........: TB_GETHOTITEM message - http://goo.gl/g70qO2
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_GetHotItem() {
    idxTB := TrayIcon_GetTrayBar()
    return SendMessage(TB_GETHOTITEM := 0x0447, 0, 0, "ToolbarWindow32" idxTB, "ahk_class Shell_TrayWnd") << 32 >> 32
  }
  
  ; ----------------------------------------------------------------------------------------------------------------------
  ; Function .....: TrayIcon_Button
  ; Description ..: Simulate mouse button click on a tray icon.
  ; Parameters ...: sExeName - Executable Process Name of tray icon (case sensitive).
  ; ..............: sButton  - Mouse button to simulate (L, M, R).
  ; ..............: bDouble  - True to double click, false to single click.
  ; ..............: nIdx     - Index of tray icon to click if more than one match.
  ; ----------------------------------------------------------------------------------------------------------------------
  TrayIcon_Button(sExeName, sButton := "L", bDouble := false, nIdx := 1) {
    dhw := A_DetectHiddenWindows
    DetectHiddenWindows(1)
    sButton := "WM_" sButton "BUTTON"
    oIcons  := TrayIcon_GetInfo(sExeName)
    if bDouble
      action("DBLCLK")
    else
      action("DOWN"), action("UP")
    DetectHiddenWindows(dhw)
  
    action(arg) {
      static actions := Map(  "WM_MOUSEMOVE"    ,0x0200, "WM_LBUTTONDOWN",0x0201, "WM_LBUTTONUP",0x0202
                            , "WM_LBUTTONDBLCLK",0x0203, "WM_RBUTTONDOWN",0x0204, "WM_RBUTTONUP",0x0205
                            , "WM_RBUTTONDBLCLK",0x0206, "WM_MBUTTONDOWN",0x0207, "WM_MBUTTONUP",0x0208
                            , "WM_MBUTTONDBLCLK",0x0209)
      PostMessage(oIcons[nIdx]["msgid"], oIcons[nIdx]["uid"], actions[sButton arg],, "ahk_id " oIcons[nIdx]["hwnd"])
    }
  }

 

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