git-svn-id: https://svn.neo-layout.org@1187 b9310e46-f624-0410-8ea1-cfbb3a30dc96

1 files changed, 87 insertions, 0 deletions

diff --git a/windows/neo-vars/src/source/keyboardleds.ahk b/windows/neo-vars/src/source/keyboardleds.ahk
new file mode 100644
index 0000000..662d4c2
--- /dev/null
+++ b/windows/neo-vars/src/source/keyboardleds.ahk
@@ -0,0 +1,87 @@
+;ScrollLock=1, NumLock=2, CapsLock=4, bzw. eine beliebige Summe dieser Werte

+KeyboardLED(LEDvalue, Cmd){ ; LEDvalue: ScrollLock=1, NumLock=2, CapsLock=4 ; Cmd = on/off/switch

+  Static h_device

+  If ! h_device ; initialise

+  {

+    device=\Device\KeyBoardClass0

+    SetUnicodeStrLED(fn,device) 

+    h_device:=NtCreateFileLED(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"))

+    }

+  ; EncodeIntegerLED(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_LED( 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_LED(p_device_type,p_function,p_method,p_access ){

+  Return, ( p_device_type << 16 ) | ( p_access << 14 ) | ( p_function << 2 ) | p_method

+}

+

+NtCreateFileLED(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 

+  InsertIntegerLED(uslen,pus,0,2) 

+  InsertIntegerLED(uslen,pus,2,2) 

+  InsertIntegerLED(&wfilename,pus,4) 

+  InsertIntegerLED(24,objattrib,0) 

+  InsertIntegerLED(&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 ExtractIntegerLED(fh) 

+} 

+

+SetUnicodeStrLED(ByRef out, str_){ 

+  VarSetCapacity(st1, 8, 0) 

+  InsertIntegerLED(0x530025, st1) 

+  VarSetCapacity(out, (StrLen(str_)+1)*2, 0) 

+  DllCall("wsprintfW", "str", out, "str", st1, "str", str_, "Cdecl UInt") 

+} 

+

+ExtractIntegerLED(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) 

+} 

+

+InsertIntegerLED(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) 

+}

+