unit Unit1;
 interface
 uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  Dialogs, AppEvnts, StdCtrls;
 type
  TForm1 = class(TForm)
  ApplicationEvents1: TApplicationEvents;
  Button_StartJour: TButton;
  Button_StopJour: TButton;
  ListBox1: TListBox;
  procedure ApplicationEvents1Message(var Msg: tagMSG;
  var Handled: Boolean);
  procedure Button_StartJourClick(Sender: TObject);
  procedure Button_StopJourClick(Sender: TObject);
  procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
  { Private declarations }
  FHookStarted : Boolean;
  public
  { Public declarations }
  end;
 var
  Form1: TForm1;

 implementation
 {$R *.dfm}
 var
  JHook: THandle;
 // The JournalRecordProc hook procedure is an application-defined or library-defined callback
// function used with the SetWindowsHookEx function.
// The function records messages the system removes from the system message queue.
// A JournalRecordProc hook procedure does not need to live in a dynamic-link library.
// A JournalRecordProc hook procedure can live in the application itself.
// WH_JOURNALPLAYBACK Hook Function
//Syntax
// JournalPlaybackProc(
// nCode: Integer; {a hook code}
// wParam: WPARAM; {this parameter is not used}
// lParam: LPARAM {a pointer to a TEventMsg structure}
// ): LRESULT; {returns a wait time in clock ticks}

function JournalProc(Code, wParam: Integer; var EventStrut: TEventMsg): Integer; stdcall;
 var
  Char1: PChar;
  s: string;
 begin
  {this is the JournalRecordProc}
  Result := CallHookEx(JHook, Code, wParam, Longint(@EventStrut));
  {the CallHookEX is not really needed for journal hook since it it not
 really in a hook chain, but it's standard for a Hook}
  if Code < 0 then Exit;
  {you should cancel operation if you get HC_SYSMODALON}
  if Code = HC_SYSMODALON then Exit;
  if Code = HC_ACTION then
  begin
  {
  The lParam parameter contains a pointer to a TEventMsg
  structure containing information on
  the message removed from the system message queue.
  }
  s := '';
  if EventStrut.message = WM_LBUTTONUP then
  s := 'Left Mouse UP at X pos ' +
  IntToStr(EventStrut.paramL) + ' and Y pos ' + IntToStr(EventStrut.paramH);
  if EventStrut.message = WM_LBUTTONDOWN then
  s := 'Left Mouse Down at X pos ' +
  IntToStr(EventStrut.paramL) + ' and Y pos ' + IntToStr(EventStrut.paramH);
  if EventStrut.message = WM_RBUTTONDOWN then
  s := 'Right Mouse Down at X pos ' +
  IntToStr(EventStrut.paramL) + ' and Y pos ' + IntToStr(EventStrut.paramH);
  if (EventStrut.message = WM_RBUTTONUP) then
  s := 'Right Mouse Up at X pos ' +
  IntToStr(EventStrut.paramL) + ' and Y pos ' + IntToStr(EventStrut.paramH);
  if (EventStrut.message = WM_MOUSEWHEEL) then
  s := 'Mouse Wheel at X pos ' +
  IntToStr(EventStrut.paramL) + ' and Y pos ' + IntToStr(EventStrut.paramH);
  if (EventStrut.message = WM_MOUSEMOVE) then
  s := 'Mouse Position at X:' +
  IntToStr(EventStrut.paramL) + ' and Y: ' + IntToStr(EventStrut.paramH);
  if s <> '' then
  Form1.ListBox1.ItemIndex := Form1.ListBox1.Items.Add(s);
  end;
 end;
 procedure TForm1.Button_StartJourClick(Sender: TObject);
 begin
  if FHookStarted then
  begin
  ShowMessage('Mouse is already being Journaled, can not restart');
  Exit;
  end;
  JHook := SetWindowsHookEx(WH_JOURNALRECORD, @JournalProc, hInstance, 0);
  {SetWindowsHookEx starts the Hook}
  if JHook > 0 then
  begin
  FHookStarted := True;
  end
  else
  ShowMessage('No Journal Hook availible');
 end;
 procedure TForm1.Button_StopJourClick(Sender: TObject);
 begin
  FHookStarted := False;
  UnhookWindowsHookEx(JHook);
  JHook := 0;
 end;
 procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG;
  var Handled: Boolean);
 begin
  {the journal hook is automaticly camceled if the Task manager
 (Ctrl-Alt-Del) or the Ctrl-Esc keys are pressed, you restart it
 when the WM_CANCELJOURNAL is sent to the parent window, Application}
  Handled := False;
  if (Msg.message = WM_CANCELJOURNAL) and FHookStarted then
  JHook := SetWindowsHookEx(WH_JOURNALRECORD, @JournalProc, 0, 0);
 end;
 procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
 begin
  {make sure you unhook it if the app closes}
  if FHookStarted then
  UnhookWindowsHookEx(JHook);
 end;
 end.