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- ; Keyboard LED control (capslock/numlock/scrolllock lights)
- ; http://www.autohotkey.com/forum/viewtopic.php?t=10532
- ; USAGE: KeyboardLED(LEDvalue,"Cmd") ; LEDvalue: ScrollLock=1, NumLock=2, CapsLock=4 ; Cmd = on/off/switch
- ~ScrollLock::
- { if GetKeyState("CapsLock", "T")
- KeyboardLED(4,"on")
- else
- KeyboardLED(4,"off")
- if GetKeyState("NumLock", "T")
- KeyboardLED(2,"on")
- else
- KeyboardLED(2,"off")
- KeyboardLED(1,"on")
- }
- ~NumLock::
- { if GetKeyState("CapsLock", "T")
- KeyboardLED(4,"on")
- else
- KeyboardLED(4,"off")
- if GetKeyState("NumLock", "T")
- KeyboardLED(2,"on")
- else
- KeyboardLED(2,"off")
- KeyboardLED(1,"on")
- }
- ~CapsLock::
- { if GetKeyState("CapsLock", "T")
- KeyboardLED(4,"on")
- else
- KeyboardLED(4,"off")
- if GetKeyState("NumLock", "T")
- KeyboardLED(2,"on")
- else
- KeyboardLED(2,"off")
- KeyboardLED(1,"on")
- }
- Return
- KeyboardLED(LEDvalue, Cmd) ; LEDvalue: ScrollLock=1, NumLock=2, CapsLock=4 ; Cmd = on/off/switch
- {
- Static h_device
- If ! h_device ; initialise
- {
- device =\Device\KeyBoardClass0
- SetUnicodeStr(fn,device)
- h_device:=NtCreateFile(fn,0+0x00000100+0x00000080+0x00100000,1,1,0x00000040+0x00000020,0)
- }
- VarSetCapacity( output_actual, 4, 0 )
- input_size = 4
- VarSetCapacity( input, input_size, 0 )
- If Cmd= switch ;switches every LED according to LEDvalue
- KeyLED:= LEDvalue
- If Cmd= on ;forces all choosen LED's to ON (LEDvalue= 0 ->LED's according to keystate)
- KeyLED:= LEDvalue | (GetKeyState("ScrollLock", "T") + 2*GetKeyState("NumLock", "T") + 4*GetKeyState("CapsLock", "T"))
- If Cmd= off ;forces all choosen LED's to OFF (LEDvalue= 0 ->LED's according to keystate)
- {
- LEDvalue:= LEDvalue ^ 7
- KeyLED:= LEDvalue & (GetKeyState("ScrollLock", "T") + 2*GetKeyState("NumLock", "T") + 4*GetKeyState("CapsLock", "T"))
- }
- ; EncodeInteger( KeyLED, 1, &input, 2 ) ;input bit pattern (KeyLED): bit 0 = scrolllock ;bit 1 = numlock ;bit 2 = capslock
- input := Chr(1) Chr(1) Chr(KeyLED)
- input := Chr(1)
- input=
- success := DllCall( "DeviceIoControl"
- , "uint", h_device
- , "uint", CTL_CODE( 0x0000000b ; FILE_DEVICE_KEYBOARD
- , 2
- , 0 ; METHOD_BUFFERED
- , 0 ) ; FILE_ANY_ACCESS
- , "uint", &input
- , "uint", input_size
- , "uint", 0
- , "uint", 0
- , "uint", &output_actual
- , "uint", 0 )
- }
- CTL_CODE( p_device_type, p_function, p_method, p_access )
- {
- Return, ( p_device_type << 16 ) | ( p_access << 14 ) | ( p_function << 2 ) | p_method
- }
- NtCreateFile(ByRef wfilename,desiredaccess,sharemode,createdist,flags,fattribs)
- {
- VarSetCapacity(fh,4,0)
- VarSetCapacity(objattrib,24,0)
- VarSetCapacity(io,8,0)
- VarSetCapacity(pus,8)
- uslen:=DllCall("lstrlenW","str",wfilename)*2
- InsertInteger(uslen,pus,0,2)
- InsertInteger(uslen,pus,2,2)
- InsertInteger(&wfilename,pus,4)
- InsertInteger(24,objattrib,0)
- InsertInteger(&pus,objattrib,8)
- status:=DllCall("ntdll\ZwCreateFile","str",fh,"UInt",desiredaccess,"str",objattrib,"str",io,"UInt",0,"UInt",fattribs
- ,"UInt",sharemode,"UInt",createdist,"UInt",flags,"UInt",0,"UInt",0, "UInt")
- return % ExtractInteger(fh)
- }
- SetUnicodeStr(ByRef out, str_)
- {
- VarSetCapacity(st1, 8, 0)
- InsertInteger(0x530025, st1)
- VarSetCapacity(out, (StrLen(str_)+1)*2, 0)
- DllCall("wsprintfW", "str", out, "str", st1, "str", str_, "Cdecl UInt")
- }
- ExtractInteger(ByRef pSource, pOffset = 0, pIsSigned = false, pSize = 4)
- ; pSource is a string (buffer) whose memory area contains a raw/binary integer at pOffset.
- ; The caller should pass true for pSigned to interpret the result as signed vs. unsigned.
- ; pSize is the size of PSource's integer in bytes (e.g. 4 bytes for a DWORD or Int).
- ; pSource must be ByRef to avoid corruption during the formal-to-actual copying process
- ; (since pSource might contain valid data beyond its first binary zero).
- {
- Loop %pSize% ; Build the integer by adding up its bytes.
- result += *(&pSource + pOffset + A_Index-1) << 8*(A_Index-1)
- if (!pIsSigned OR pSize > 4 OR result < 0x80000000)
- return result ; Signed vs. unsigned doesn't matter in these cases.
- ; Otherwise, convert the value (now known to be 32-bit) to its signed counterpart:
- return -(0xFFFFFFFF - result + 1)
- }
- InsertInteger(pInteger, ByRef pDest, pOffset = 0, pSize = 4)
- ; The caller must ensure that pDest has sufficient capacity. To preserve any existing contents in pDest,
- ; only pSize number of bytes starting at pOffset are altered in it.
- {
- Loop %pSize% ; Copy each byte in the integer into the structure as raw binary data.
- DllCall("RtlFillMemory", "UInt", &pDest + pOffset + A_Index-1, "UInt", 1, "UChar", pInteger >> 8*(A_Index-1) & 0xFF)
- }
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