109 lines
4.6 KiB
AutoHotkey
109 lines
4.6 KiB
AutoHotkey
/*
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------------------------------------------------------
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Methode KeyboardLED zur Steuerung der Keyboard-LEDs
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(NumLock/CapsLock/ScrollLock-Lichter)
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Benutzungshinweise: Man benutze
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KeyboardLED(LEDvalue,"Cmd"), wobei
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Cmd = on/off/switch,
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LEDvalue: ScrollLock=1, NumLock=2, CapsLock=4,
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bzw. eine beliebige Summe dieser Werte:
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AlleAus=0, CapsLock+NumLock=6, etc.
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Der folgende Code wurde übernommen von:
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http://www.autohotkey.com/forum/viewtopic.php?t=10532
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Um eventuelle Wechselwirkungen mit dem bestehenden
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Code (insb. der Unicode-Konvertierung) auszuschließen,
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sind auch alle (Hilfsmethoden) mit dem Postfix LED
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versehen worden.
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------------------------------------------------------
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*/
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KeyboardLED(LEDvalue, Cmd) { ; LEDvalue: ScrollLock=1, NumLock=2, CapsLock=4 ; Cmd = on/off/switch
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Static h_device
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If !(h_device) { ; initialise
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device=\Device\KeyBoardClass0
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SetUnicodeStrLED(fn,device)
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h_device:=NtCreateFileLED(fn,0+0x00000100+0x00000080+0x00100000,1,1,0x00000040+0x00000020,0)
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}
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VarSetCapacity(output_actual,4,0)
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input_size=4
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VarSetCapacity(input,input_size,0)
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If Cmd=switch ;switches every LED according to LEDvalue
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KeyLED:=LEDvalue
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If Cmd=on ;forces all choosen LED's to ON (LEDvalue= 0 ->LED's according to keystate)
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KeyLED:=LEDvalue | (GetKeyState("ScrollLock", "T") + 2*GetKeyState("NumLock", "T") + 4*GetKeyState("CapsLock", "T"))
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If (Cmd=off) { ;forces all choosen LED's to OFF (LEDvalue= 0 ->LED's according to keystate)
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LEDvalue:=LEDvalue ^ 7
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KeyLED:=LEDvalue & (GetKeyState("ScrollLock","T") + 2*GetKeyState("NumLock","T") + 4*GetKeyState("CapsLock","T"))
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}
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; EncodeIntegerLED(KeyLED,1,&input,2) ;input bit pattern (KeyLED): bit 0 = scrolllock ;bit 1 = numlock ;bit 2 = capslock
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input := Chr(1) Chr(1) Chr(KeyLED)
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input := Chr(1)
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input =
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; ???
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success:=DllCall("DeviceIoControl"
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, "uint", h_device
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, "uint", CTL_CODE_LED( 0x0000000b ; FILE_DEVICE_KEYBOARD
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, 2
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, 0 ; METHOD_BUFFERED
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, 0 ) ; FILE_ANY_ACCESS
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, "uint", &input
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, "uint", input_size
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, "uint", 0
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, "uint", 0
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, "uint", &output_actual
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, "uint", 0 )
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}
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CTL_CODE_LED(p_device_type,p_function,p_method,p_access ) {
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Return,( p_device_type << 16 ) | ( p_access << 14 ) | ( p_function << 2 ) | p_method
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}
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NtCreateFileLED(ByRef wfilename,desiredaccess,sharemode,createdist,flags,fattribs){
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VarSetCapacity(fh,4,0)
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VarSetCapacity(objattrib,24,0)
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VarSetCapacity(io,8,0)
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VarSetCapacity(pus,8)
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uslen:=DllCall("lstrlenW","str",wfilename)*2
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InsertIntegerLED(uslen,pus,0,2)
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InsertIntegerLED(uslen,pus,2,2)
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InsertIntegerLED(&wfilename,pus,4)
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InsertIntegerLED(24,objattrib,0)
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InsertIntegerLED(&pus,objattrib,8)
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status:=DllCall("ntdll\ZwCreateFile","str",fh,"UInt",desiredaccess,"str",objattrib,"str",io,"UInt",0,"UInt",fattribs
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,"UInt",sharemode,"UInt",createdist,"UInt",flags,"UInt",0,"UInt",0, "UInt")
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return ExtractIntegerLED(fh)
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}
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SetUnicodeStrLED(ByRef out, str_) {
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VarSetCapacity(st1, 8, 0)
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InsertIntegerLED(0x530025, st1)
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VarSetCapacity(out, (StrLen(str_)+1)*2, 0)
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DllCall("wsprintfW", "str", out, "str", st1, "str", str_, "Cdecl UInt")
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}
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ExtractIntegerLED(ByRef pSource, pOffset = 0, pIsSigned = false, pSize = 4) {
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; pSource is a string (buffer) whose memory area contains a raw/binary integer at pOffset.
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; The caller should pass true for pSigned to interpret the result as signed vs. unsigned.
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; pSize is the size of PSource's integer in bytes (e.g. 4 bytes for a DWORD or Int).
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; pSource must be ByRef to avoid corruption during the formal-to-actual copying process
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; (since pSource might contain valid data beyond its first binary zero).
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Loop %pSize% ; Build the integer by adding up its bytes.
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result += *(&pSource + pOffset + A_Index-1) << 8*(A_Index-1)
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if (!pIsSigned OR pSize > 4 OR result < 0x80000000)
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return result ; Signed vs. unsigned doesn't matter in these cases.
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; Otherwise, convert the value (now known to be 32-bit) to its signed counterpart:
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return -(0xFFFFFFFF - result + 1)
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}
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InsertIntegerLED(pInteger, ByRef pDest, pOffset = 0, pSize = 4) {
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; The caller must ensure that pDest has sufficient capacity. To preserve any existing contents in pDest,
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; only pSize number of bytes starting at pOffset are altered in it.
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Loop %pSize% ; Copy each byte in the integer into the structure as raw binary data.
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DllCall("RtlFillMemory", "UInt", &pDest + pOffset + A_Index-1, "UInt", 1, "UChar", pInteger >> 8*(A_Index-1) & 0xFF)
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}
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