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Detect when any and all windows have moved.

jaberwacky

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jaberwacky Universalist

jaberwacky

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Posted (edited)

Is there a way to register my script to receive messages for when a window is moving or has been moved?  I've used _WinAPI_SetWindowsHookEx and all of the various options in many different combos.  Been at this for a couple of days now.  I've searched this forum and the net too.  Seems like I can only do this for specific programs that I specify?  If that is the case, then I guess I can register and unregister dynamically.  Any ideas?

Edit: guess I should state my intent.  I want to make a Snap feature that works in the middle of where monitors meet if there are more than one.  I know I can use the KB shortcuts and will if that's my only choice.  Here my code so far:

#AutoIt3Wrapper_Run_AU3Check=n
#AutoIt3Wrapper_AU3Check_Parameters=-w 1 -w 2 -w 3 -w 4 -w 6 -w 7 -d -q

#include <WinAPI.au3>

#include <Array.au3>

#include <WindowsConstants.au3>

Const $mouse_proc_callback = DllCallbackRegister(model_ll_mouse_proc, "long", "int;wparam;lparam")

Const $hook = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($mouse_proc_callback), _WinAPI_GetModuleHandle(0))
ConsoleWrite('@@ Debug(' & @ScriptLineNumber & ') : $hook = ' & $hook & @CRLF) ;### Debug Console

Const $half_desktop_width = @DesktopWidth / 2

Const $range = 20

Global $window_focus

Global $left_snap = False

Global $right_snap = False

Global $active = False

Do
  Sleep(100)
Until False

Volatile Func model_ll_mouse_proc($code, $w_param, $l_param)
  Switch $code >= 0
    Case True
      Switch $w_param
        Case $wm_mousemove     
          Switch $active
            Case True
              With DllStructCreate($tagPOINT, $l_param)
                Select
                  Case (.X >= @DesktopWidth - $range) And (.X <= @DesktopWidth)
                    ;ConsoleWrite("Left: " & .X & @CRLF)

                    $left_snap = True
                    
                    $right_snap = False
                    
                  Case (.X >= @DesktopWidth) And (.X <= @DesktopWidth + $range)
                    ;ConsoleWrite("Right: " & .X & @CRLF)  

                    $right_snap = True
                    
                    $left_snap = False
                    
                  Case Else
                    $left_snap = False
                    
                    $right_snap = False
                EndSelect
              EndWith
          EndSwitch
          
        Case $wm_lbuttondown          
          $window_focus = _WinAPI_GetForegroundWindow()
          
          If GetRealParent($window_focus) Then
            
          EndIf
          
          $active = True
          
        Case $wm_lbuttonup   
          Select
            Case $left_snap
              WinMove($window_focus, "", $half_desktop_width, 0, $half_desktop_width, 1080)  

              $left_snap = False
              
              $right_snap = False
              
            Case $right_snap
              WinMove($window_focus, "", @DesktopWidth, $half_desktop_width, $half_desktop_width, 1024)

              $left_snap = False 
              
              $right_snap = False
          EndSelect
          
          $active = False
          
          $window_focus = Null
      EndSwitch
  EndSwitch

  Return _WinAPI_CallNextHookEx($hook, $code, $w_param, $l_param)
EndFunc

Func GetRealParent(Const $hwnd)
  ; http://stackoverflow.com/questions/16872126/the-correct-way-of-getting-the-parent-window
  
  Local Const $hParent = _WinAPI_GetAncestor($hwnd, $GA_PARENT)
  
  If (Not $hParent) Or ($hParent = _WinAPI_GetDesktopWindow()) Then
    Return True
  EndIf

  Return False
EndFunc

Here is the script I used to test setwindowshookex function:

#include <WinAPI.au3>

Const $wnd_proc_callback = DllCallbackRegister(_call_wnd_proc, "long", "int;wparam;lparam")

Const $hook = _WinAPI_SetWindowsHookEx($WH_CALLWNDPROC, DllCallbackGetPtr($wnd_proc_callback), _WinAPI_GetModuleHandle(0))

Do
  Sleep(100)
Until False

Func _call_wnd_proc($code, $w_param, $l_param)
  ConsoleWrite("Heeeeeyyyyy" & @CRLF)
  
  Return _WinAPI_CallNextHookEx($hook, $code, $w_param, $l_param)
EndFunc
Edited by jaberwacky

Helpful Posts and Websites: AutoIt3 Variables and Function Parameters MHz | AutoIt Wiki | Using the GUIToolTip UDF BrewManNH | Can't find what you're looking for on the Forum?

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jaberwacky Universalist

jaberwacky

Posted
  • Author
Posted (edited)

I found this thread which does what I want but only for specific windows!  If anyone still knows how to make this happen for all present windows I would be much obliged.

'?do=embed' frameborder='0' data-embedContent>>

Here is the stripped down code from that thread that does what I want:

#include <WinAPI.au3>

Global Const $WM_USER = 0x400
Global Const $WM_MOVE = 0x0003
Global Const $UM_ADDMESSAGE = $WM_USER + 0x100

Global Const $hDll_hook = DllOpen("hook.dll") ; helper dll

Global Const $user32 = DllOpen("User32.dll")

Global Const $hWndLocal = GUICreate("") ; Needed to receive messages

Run("Calc")

WinWaitActive("Calculator")

Global Const $hWndTarget = WinGetHandle("Calculator")

Global Const $iThreadIdTarget = _GetWindowThreadProcessId($hWndTarget)

DllCall($hDll_hook, "int", "InstallFilterDLL", "long", $WH_CALLWNDPROC, "long", $iThreadIdTarget, "hwnd", $hWndTarget) ; 0 = Ok

DllCall($user32, "int", "SendMessage", "hwnd", $hWndTarget, "int", $UM_ADDMESSAGE, "int", $WM_MOVE, "hwnd", $hWndLocal)

GUIRegisterMsg($WM_MOVE, "_Filter")

; Keep running while target exists
While WinExists($hWndTarget)
  Sleep(250)
WEnd

DllCall($hDll_hook, "int", "UnInstallFilterDLL", "long", $iThreadIdTarget, "hwnd", $hWndTarget, "hwnd", $hWndLocal) ; 0 = ok

DllClose($hDll_hook)

DllClose($user32)

Func _Filter(Const $hWndGUI, Const $MsgID, Const $WParam, Const $LParam)
  Switch $MsgID      
    Case $WM_MOVE
      ConsoleWrite("MOVED" & @CRLF)
  EndSwitch
EndFunc

Func _GetWindowThreadProcessId(Const $hWnd)
  Local Const $aRval = DllCall($user32, "dword", "GetWindowThreadProcessId", "hwnd", $hWnd, "dword*", 0)[0]
 
  If @error Then
    Return SetError(@error, @extended, False)
  EndIf
  
  Return $aRval
EndFunc
Edited by jaberwacky

Helpful Posts and Websites: AutoIt3 Variables and Function Parameters MHz | AutoIt Wiki | Using the GUIToolTip UDF BrewManNH | Can't find what you're looking for on the Forum?

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jaberwacky Universalist

jaberwacky

Posted
  • Author
Posted (edited)

I found a solution which works well enough for me!

#AutoIt3Wrapper_Run_AU3Check=n
#AutoIt3Wrapper_AU3Check_Parameters=-w 1 -w 2 -w 3 -w 4 -w 6 -w 7 -d -q

#include <WinAPI.au3>

#include <Array.au3>

#include <WindowsConstants.au3>

Global Const $UM_ADDMESSAGE = $WM_USER + 0x100

Global Const $h_dll_hook = DllOpen("hook.dll") ; helper dll

Global Const $user32 = DllOpen("User32.dll")

Global Const $h_wnd_local = GUICreate("") ; Needed to receive messages

Const $mouse_proc_callback = DllCallbackRegister(model_ll_mouse_proc, "long", "int;wparam;lparam")

Const $hook = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($mouse_proc_callback), _WinAPI_GetModuleHandle(0))

Const $half_desktop_width = @DesktopWidth / 2

Const $range = 20

Global $id_target

Global $mouse_pos

Global $window_focus

Global $left_snap = False

Global $right_snap = False

OnAutoItExitRegister(_cleanup)

Do
  Sleep(100)
Until False

Volatile Func model_ll_mouse_proc($code, $w_param, $l_param)
  Switch $code >= 0
    Case True
      Switch $w_param
        Case $wm_mousemove         
          $mouse_pos = DllStructCreate($tagPOINT, $l_param)
          
          $mouse_pos.X = Abs($mouse_pos.X)       
          
          $mouse_pos.Y = Abs($mouse_pos.Y)
          
        Case $wm_lbuttondown          
          $window_focus = _WinAPI_GetForegroundWindow()
          
          If GetRealParent($window_focus) Then
            $id_target = _register_message($window_focus)
          EndIf
          
        Case $wm_lbuttonup   
          Select
            Case $left_snap
              WinMove($window_focus, "", $half_desktop_width, 0, $half_desktop_width, 1080)  
              $left_snap  = False              
              $right_snap = False
              
            Case $right_snap
              WinMove($window_focus, "", @DesktopWidth, $half_desktop_width, $half_desktop_width, 1024)
              $left_snap  = False               
              $right_snap = False
          EndSelect
          
          $window_focus = Null
      EndSwitch
  EndSwitch

  Return _WinAPI_CallNextHookEx($hook, $code, $w_param, $l_param)
EndFunc

Func _filter(Const $h_wnd_gui, Const $msg_id, Const $w_param, Const $l_param)
  Switch $msg_id      
    Case $WM_MOVE
      ConsoleWrite("MOVED" & @CRLF)
      
      _uninstall_filter($id_target, $window_focus)
      
    Case $WM_MOVING
      ConsoleWrite("MOVING" & @CRLF)
      
      If ($mouse_pos.X >= @DesktopWidth - $range) And ($mouse_pos.X <= @DesktopWidth) Then
        $left_snap  = True          
        $right_snap = False          
      ElseIf($mouse_pos.X >= @DesktopWidth) And ($mouse_pos.X <= @DesktopWidth + $range) Then
        $right_snap = True          
        $left_snap  = False          
      Else
        $left_snap  = False          
        $right_snap = False
      EndIf
  EndSwitch
EndFunc

Func GetRealParent(Const $hwnd)
  ; http://stackoverflow.com/questions/16872126/the-correct-way-of-getting-the-parent-window
  
  Local Const $hParent = _WinAPI_GetAncestor($hwnd, $GA_PARENT)
  
  If (Not $hParent) Or ($hParent = _WinAPI_GetDesktopWindow()) Then
    Return True
  EndIf

  Return False
EndFunc

Func _register_message(Const $h_target)
  Local Const $thread_id_target = _GetWindowThreadProcessId($h_target)

  DllCall($h_dll_hook, "int", "InstallFilterDLL", "long", $WH_CALLWNDPROC, "long", $thread_id_target, "hwnd", $h_target)

  _SendMessage($h_target, $UM_ADDMESSAGE, $WM_MOVE, $h_wnd_local)

  _SendMessage($h_target, $UM_ADDMESSAGE, $WM_MOVING, $h_wnd_local)

  GUIRegisterMsg($WM_MOVE, "_filter")

  GUIRegisterMsg($WM_MOVING, "_filter")
  
  Return $thread_id_target
EndFunc

Func _GetWindowThreadProcessId(Const $h_wnd)
  Local Const $ret = DllCall($user32, "dword", "GetWindowThreadProcessId", "hwnd", $h_wnd, "dword*", 0)[0]
 
  If @error Then
    Return SetError(@error, @extended, False)
  EndIf
  
  Return $ret
EndFunc

Func _uninstall_filter(Const $thread_id_target, Const $h_wnd_target)
  DllCall($h_dll_hook, "int", "UnInstallFilterDLL", "long", $thread_id_target, "hwnd", $h_wnd_target, "hwnd", $h_wnd_local)
EndFunc

Func _cleanup()
  _uninstall_filter($id_target, $window_focus)

  DllClose($h_dll_hook)

  DllClose($user32)
EndFunc
Edited by jaberwacky

Helpful Posts and Websites: AutoIt3 Variables and Function Parameters MHz | AutoIt Wiki | Using the GUIToolTip UDF BrewManNH | Can't find what you're looking for on the Forum?

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jaberwacky Universalist

jaberwacky

Posted
  • Author
Posted (edited)

Sad to say that this remains unsolved.  This code will get the move and moving info for some windows but not all.  If anybody knows a better solution, I'd love to hear it.

#AutoIt3Wrapper_Run_AU3Check=n
#AutoIt3Wrapper_AU3Check_Parameters=-w 1 -w 2 -w 3 -w 4 -w 6 -w 7 -d -q

#include <WinAPI.au3>

#include <Array.au3>

#include <WindowsConstants.au3>

#include <BorderConstants.au3>

Const $UM_ADDMESSAGE = $WM_USER + 0x100

Const $h_dll_hook = DllOpen("hook.dll") ; helper dll

Const $user32 = DllOpen("User32.dll")

Const $h_wnd_local = GUICreate("") ; Needed to receive messages

Const $mouse_proc_callback = DllCallbackRegister(_ll_mouse_proc, "long", "int;wparam;lparam")

Const $hook = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($mouse_proc_callback), _WinAPI_GetModuleHandle(0))

Const $half_desktop_width = @DesktopWidth / 2

Const $h_dc = _WinAPI_GetWindowDC(0)
Const $h_pen = _WinAPI_CreatePen($PS_SOLID, $half_desktop_width, 0x0000FF)
Const $o_orig = _WinAPI_SelectObject($h_dc, $h_pen)

Local $s_rect = DllStructCreate($tagRECT)

Const $range = 20

Global $id_target

Global $mouse_pos

Global $window_focus

Global $left_snap = False

Global $right_snap = False

OnAutoItExitRegister(_cleanup)

Do
  Sleep(100)
Until False

Volatile Func _ll_mouse_proc($code, $w_param, $l_param)
  Switch $code >= 0
    Case True
      Switch $w_param
        Case $wm_lbuttondown          
          $window_focus = _WinAPI_GetForegroundWindow()
          ConsoleWrite('@@ Debug(' & @ScriptLineNumber & ') : $window_focus = ' & $window_focus & @CRLF) ;### Debug Console
          
          If _get_real_parent($window_focus) Then
            $id_target = _register_message($window_focus)
          EndIf        
      EndSwitch
  EndSwitch

  Return _WinAPI_CallNextHookEx($hook, $code, $w_param, $l_param)
EndFunc

Func _filter(Const $h_wnd_gui, Const $msg_id, Const $w_param, Const $l_param)
  Switch $msg_id      
    Case $WM_MOVE      
      ConsoleWrite("Move" & @CRLF)
      
      Select
        Case $left_snap
          WinMove($window_focus, "", $half_desktop_width, 0, $half_desktop_width, 1080) 
          
        Case $right_snap
          WinMove($window_focus, "", @DesktopWidth, $half_desktop_width, $half_desktop_width, 1024)
      EndSelect
      
      $left_snap  = False          
      $right_snap = False
      
      $window_focus = Null
      
      _uninstall_filter($id_target, $window_focus)
      
    Case $WM_MOVING  
      ConsoleWrite("Moving" & @CRLF)
      
      Local Const $mouse_pos = MouseGetPos(0)
      
      Select
        Case ($mouse_pos >= (@DesktopWidth - $range)) And ($mouse_pos <= @DesktopWidth)
          ConsoleWrite("Left" & @CRLF)
          
          With $s_rect
            .Left   = $half_desktop_width
            .Right  = 0
            .Top    = $half_desktop_width
            .Bottom = 1080
          EndWith
          
          _WinAPI_DrawEdge($h_dc, DllStructGetPtr($s_rect), $BDR_RAISEDINNER, $BF_RECT)

          $left_snap  = True          
          $right_snap = False  
        
        Case ($mouse_pos >= @DesktopWidth) And ($mouse_pos <= (@DesktopWidth + $range))
          ConsoleWrite("Right" & @CRLF)
          
          $right_snap = True          
          $left_snap  = False  
          
        Case Else
          $left_snap  = False          
          $right_snap = False
      EndSelect
  EndSwitch
EndFunc

Func _get_real_parent(Const $hwnd)
  ; http://stackoverflow.com/questions/16872126/the-correct-way-of-getting-the-parent-window
  
  Local Const $hParent = _WinAPI_GetAncestor($hwnd, $GA_PARENT)
  
  If (Not $hParent) Or ($hParent = _WinAPI_GetDesktopWindow()) Then
    Return True
  EndIf

  Return False
EndFunc

Func _register_message(Const $h_target)
  Local Const $thread_id_target = DllCall($user32, "dword", "GetWindowThreadProcessId", "hwnd", $h_target, "dword*", 0)[0]

  DllCall($h_dll_hook, "int", "InstallFilterDLL", "long", $WH_CALLWNDPROC, "long", $thread_id_target, "hwnd", $h_target)

  _SendMessage($h_target, $UM_ADDMESSAGE, $WM_MOVE, $h_wnd_local)

  _SendMessage($h_target, $UM_ADDMESSAGE, $WM_MOVING, $h_wnd_local)

  GUIRegisterMsg($WM_MOVE, "_filter")

  GUIRegisterMsg($WM_MOVING, "_filter")
  
  Return $thread_id_target
EndFunc

Func _uninstall_filter(Const $thread_id_target, Const $h_wnd_target)
  DllCall($h_dll_hook, "int", "UnInstallFilterDLL", "long", $thread_id_target, "hwnd", $h_wnd_target, "hwnd", $h_wnd_local)
EndFunc

Func _cleanup()
  _uninstall_filter($id_target, $window_focus)

  _WinAPI_SelectObject($h_dc, $o_orig)
  _WinAPI_DeleteObject($h_pen)
  _WinAPI_ReleaseDC(0, $h_dc)

  DllClose($h_dll_hook)

  DllClose($user32)
EndFunc
Edited by jaberwacky

Helpful Posts and Websites: AutoIt3 Variables and Function Parameters MHz | AutoIt Wiki | Using the GUIToolTip UDF BrewManNH | Can't find what you're looking for on the Forum?

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  • Solution
jaberwacky Universalist

jaberwacky

Posted
  • Author
  • Solution
Posted

Ok!  Yes.  I think this will work. Thank you everybody.

#include <APISysConstants.au3>
#include <GUIMenu.au3>
#include <WinAPIProc.au3>
#include <WinAPISys.au3>
#include <WindowsConstants.au3>

Global $hEventProc = DllCallbackRegister(_EventProc, "none", "ptr;dword;hwnd;long;long;dword;dword")

Global $hEventHook = _WinAPI_SetWinEventHook($EVENT_MIN, $EVENT_MAX, DllCallbackGetPtr($hEventProc))

OnAutoItExitRegister(OnAutoItExit)

Global $iPid = Run(@SystemDir & "\notepad.exe")

While ProcessExists($iPid)
  Sleep(1000)
WEnd

Func OnAutoItExit()
  _WinAPI_UnhookWinEvent($hEventHook)

  DllCallbackFree($hEventProc)
EndFunc

Func _EventProc($hEventHook, $iEvent, $hWnd, $iObjectID, $iChildID, $iThreadId, $iEventTime)
  #forceref $hEventHook, $iObjectID, $iChildID, $iThreadId, $iEventTime

  Switch $iEvent
    Case $EVENT_SYSTEM_MOVESIZEEND
      ConsoleWrite("End" & @CRLF)
      
    Case $EVENT_SYSTEM_MOVESIZESTART
      ConsoleWrite("Start" & @CRLF)
  EndSwitch
EndFunc

Helpful Posts and Websites: AutoIt3 Variables and Function Parameters MHz | AutoIt Wiki | Using the GUIToolTip UDF BrewManNH | Can't find what you're looking for on the Forum?

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